unit Childwin; // ------------------------------------- // MDI-Child-Window // ------------------------------------- interface uses Synchronization, Windows, Classes, Graphics, Forms, Controls, StdCtrls, ExtCtrls, ComCtrls, ImgList, SysUtils, Dialogs, Menus, SynEdit, SynMemo, SynEditHighlighter, SynHighlighterSQL, SynEditSearch, SynEditTypes, Registry, Spin, Clipbrd, Shellapi, Buttons, CheckLst, ToolWin, Db, DBGrids, DBCtrls, helpers, Grids, messages, Mask, ZDataset, ZAbstractRODataset, ZConnection, ZSqlMonitor, ZPlainMySqlDriver, EDBImage, ZAbstractDataset, ZDbcLogging, SynCompletionProposal, HeidiComp, SynEditMiscClasses, MysqlQuery, MysqlQueryThread, queryprogress, communication, MysqlConn, smdbgrid, Tabs; type TMDIChild = class(TForm) Panel1: TPanel; DBtree: TTreeView; Splitter1: TSplitter; TableShow: TPanel; PageControlMain: TPageControl; tabData: TTabSheet; tabDatabase: TTabSheet; Splitter2: TSplitter; tabQuery: TTabSheet; popupTreeView: TPopupMenu; Drop1: TMenuItem; pnlDatabaseTop: TPanel; tabTable: TTabSheet; pnlTableTop: TPanel; popupDbGrid: TPopupMenu; menuviewdata: TMenuItem; menuproperties: TMenuItem; menuinsert: TMenuItem; menudroptable: TMenuItem; menuemptytable: TMenuItem; tabHost: TTabSheet; PageControlHost: TPageControl; tabVariables: TTabSheet; tabProcessList: TTabSheet; ListVariables: TSortListView; ListProcesses: TSortListView; popupHost: TPopupMenu; Kill1: TMenuItem; NewDatabase1: TMenuItem; ListTables: TSortListView; Refresh1: TMenuItem; Panel4: TPanel; pnlDataTop: TPanel; pnlQueryTop: TPanel; tlbDataLeft1: TToolBar; btnDbViewData: TToolButton; btnDbProperties: TToolButton; btnDbInsertRecord: TToolButton; btnDbEmptyTable: TToolButton; tlbTableLeft1: TToolBar; menurefresh: TMenuItem; N2: TMenuItem; pnlQueryMemo: TPanel; btnTableDropField: TToolButton; btnTableViewData: TToolButton; SynSQLSyn1: TSynSQLSyn; SynMemoQuery: TSynMemo; spltQuery: TSplitter; menucreatetable: TMenuItem; OpenDialog1: TOpenDialog; TimerHostUptime: TTimer; popupTableGrid: TPopupMenu; Refresh2: TMenuItem; DropField1: TMenuItem; N3: TMenuItem; N5: TMenuItem; PopupmenuDropDatabase: TMenuItem; btnTableInsertRecord: TToolButton; popupDataGrid: TPopupMenu; Refresh3: TMenuItem; Insertrecord2: TMenuItem; btnTableAddField: TToolButton; MenuAddField: TMenuItem; btnTableEditField: TToolButton; MenuEditField: TMenuItem; popupResultGrid: TPopupMenu; Copyrecords1: TMenuItem; CopyasCSVData1: TMenuItem; N9: TMenuItem; LabelResultinfo: TLabel; MenuAdvancedProperties: TMenuItem; N10: TMenuItem; MenuRenameTable: TMenuItem; MenuViewBlob: TMenuItem; TimerConnected: TTimer; N12: TMenuItem; MenuTableComment: TMenuItem; popupSqlLog: TPopupMenu; Clear2: TMenuItem; Copy1: TMenuItem; N13: TMenuItem; EditQuery1: TMenuItem; Markall3: TMenuItem; N15: TMenuItem; MenuOptimize: TMenuItem; MenuCheck: TMenuItem; MenuAnalyze: TMenuItem; MenuRepair: TMenuItem; More1: TMenuItem; TimerConnectErrorCloseWindow: TTimer; PopupMenuDropTable: TMenuItem; N17: TMenuItem; pnlTableList: TPanel; ListColumns: TSortListView; CopycontentsasHTML1: TMenuItem; CopycontentsasHTML2: TMenuItem; Copy3: TMenuItem; Paste2: TMenuItem; N4: TMenuItem; gridData: TSMDBGrid; DataSource1: TDataSource; gridQuery: TSMDBGrid; DataSource2: TDataSource; Copytableas1: TMenuItem; Filter1: TMenuItem; MenuLimit: TMenuItem; Delete1: TMenuItem; N6: TMenuItem; QF1: TMenuItem; QF2: TMenuItem; QuickFilter1: TMenuItem; QF3: TMenuItem; QF4: TMenuItem; N7: TMenuItem; DropFilter1: TMenuItem; Table1: TMenuItem; popupFilterOpenFile: TPopupMenu; OpenDialog2: TOpenDialog; PrintList2: TMenuItem; PrintList3: TMenuItem; PrintList4: TMenuItem; N1: TMenuItem; MenuChangeType: TMenuItem; MenuChangeType2: TMenuItem; MenuChangeType3: TMenuItem; MenuChangeTypeOther: TMenuItem; N8: TMenuItem; MenuChangeType1: TMenuItem; MenuChangeType4: TMenuItem; MenuCopyTable: TMenuItem; PageControlBottom: TPageControl; tabSQLLog: TTabSheet; tabBlobEditor: TTabSheet; tabFilter: TTabSheet; SynMemoSQLLog: TSynMemo; ToolBar3: TToolBar; btnBlobWordWrap: TToolButton; btnBlobLoad: TToolButton; btnBlobSave: TToolButton; PageControlBlobEditors: TPageControl; tabBlobEditorText: TTabSheet; DBMemo1: TDBMemo; tabBlobEditorImage: TTabSheet; SynMemoFilter: TSynMemo; btnDbCopyTable: TToolButton; btnDbDropTable: TToolButton; N18: TMenuItem; MenuChangeType5: TMenuItem; selectall1: TMenuItem; MenuAutoupdate: TMenuItem; TimerProcesslist: TTimer; Set1: TMenuItem; EnableAutoRefresh: TMenuItem; DisableAutoRefresh: TMenuItem; Saveastextfile1: TMenuItem; QF7: TMenuItem; QF5: TMenuItem; QF6: TMenuItem; pnlQueryToolbar: TPanel; ToolBarQuery: TToolBar; btnQueryRun: TToolButton; btnQueryRunSelected: TToolButton; btnQueryLoad: TToolButton; btnQuerySave: TToolButton; btnQueryFind: TToolButton; PanelCharsInQueryWindow: TPanel; btnQueryStopOnErrors: TToolButton; Panel10: TPanel; ComboBoxWhereFilters: TComboBox; ToolBar4: TToolBar; btnFilterSet: TToolButton; btnFilterLoad: TToolButton; btnFilterSave: TToolButton; btnFilterClear: TToolButton; sepFilter1: TToolButton; btnFilterPrevious: TToolButton; btnFilterNext: TToolButton; QF8: TMenuItem; QF10: TMenuItem; QF11: TMenuItem; QF9: TMenuItem; QF12: TMenuItem; CopyasXMLdata1: TMenuItem; CopyasXMLdata2: TMenuItem; Exportdata1: TMenuItem; Exportdata2: TMenuItem; SaveDialogExportData: TExportSaveDialog; N11: TMenuItem; ProgressBarQuery: TProgressBar; btnQueryReplace: TToolButton; Copy4: TMenuItem; N14: TMenuItem; DataInsertDateTime: TMenuItem; DataTimestamp: TMenuItem; DataDateTime: TMenuItem; DataTime: TMenuItem; DataDate: TMenuItem; DataYear: TMenuItem; ViewasHTML1: TMenuItem; btnBlobViewAsHtml: TToolButton; HTMLview1: TMenuItem; btnBlobCopy: TToolButton; ScrollBox1: TScrollBox; InsertfilesintoBLOBfields1: TMenuItem; InsertfilesintoBLOBfields2: TMenuItem; InsertfilesintoBLOBfields3: TMenuItem; N19: TMenuItem; setNULL1: TMenuItem; ZSQLMonitor1: TZSQLMonitor; EDBImage1: TEDBImage; Exporttables1: TMenuItem; Exporttables2: TMenuItem; EditDataSearch: TEdit; ButtonDataSearch: TButton; Find1: TMenuItem; popupDbGridHeader: TPopupMenu; DefaultColumnLayout1: TMenuItem; N20: TMenuItem; SynCompletionProposal1: TSynCompletionProposal; popupQueryLoad: TPopupMenu; OpenDialogSQLFile: TOpenDialog; SaveDialogSQLFile: TSaveDialog; btnQuerySaveSnippet: TToolButton; FindDialogQuery: TFindDialog; SynEditSearch1: TSynEditSearch; ReplaceDialogQuery: TReplaceDialog; N16: TMenuItem; ManageIndexes1: TMenuItem; btnTableManageIndexes: TToolButton; tabCommandStats: TTabSheet; ListCommandStats: TSortListView; CheckBoxDataSearch: TCheckBox; QF13: TMenuItem; QF14: TMenuItem; QF15: TMenuItem; QF16: TMenuItem; QF17: TMenuItem; N21: TMenuItem; btnUnsafeEdit: TToolButton; btnColumnSelection: TSpeedButton; btnAltTerminator: TToolButton; pnlQueryHelpers: TPanel; tabsetQueryHelpers: TTabSet; lboxQueryHelpers: TListBox; popupQuery: TPopupMenu; MenuRun: TMenuItem; MenuRunSelection: TMenuItem; MenuRunLine: TMenuItem; MenuSetFilter: TMenuItem; MenuItem1: TMenuItem; menucopy: TMenuItem; menupaste: TMenuItem; menuload: TMenuItem; menusave: TMenuItem; menuclear: TMenuItem; MenuFind: TMenuItem; MenuReplace: TMenuItem; MenuItem2: TMenuItem; lblDataTop: TLabel; btnDataSorting: TSpeedButton; spltQueryHelpers: TSplitter; menuRenameColumn: TMenuItem; N22: TMenuItem; N23: TMenuItem; menuInsertFileAtCursor: TMenuItem; menuSaveSelectionToFile: TMenuItem; menuSaveAsSnippet: TMenuItem; menuSaveSelectionAsSnippet: TMenuItem; popupQueryHelpers: TPopupMenu; menuDeleteSnippet: TMenuItem; menuHelp: TMenuItem; procedure menuRenameColumnClick(Sender: TObject); procedure ListColumnsEdited(Sender: TObject; Item: TListItem; var S: string); procedure menuclearClick(Sender: TObject); procedure popupQueryPopup(Sender: TObject); procedure lboxQueryHelpersClick(Sender: TObject); procedure lboxQueryHelpersDblClick(Sender: TObject); procedure tabsetQueryHelpersChange(Sender: TObject; NewTab: Integer; var AllowChange: Boolean); procedure btnTableViewDataClick(Sender: TObject); procedure btnDbViewDataClick(Sender: TObject); procedure btnDataClick(Sender: TObject); procedure DBtreeExpanding(Sender: TObject; Node: TTreeNode; var AllowExpansion: Boolean); procedure ListTablesSelectItem(Sender: TObject; Item: TListItem; Selected: Boolean); procedure ListColumnsSelectItem(Sender: TObject; Item: TListItem; Selected: Boolean); procedure ListProcessesSelectItem(Sender: TObject; Item: TListItem; Selected: Boolean); procedure DBMemo1Exit(Sender: TObject); procedure btnUnsafeEditClick(Sender: TObject); procedure gridMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); procedure controlsKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState); procedure CallSQLHelp(Sender: TObject); procedure CallSQLHelpWithKeyword(keyword: String); procedure ManageIndexes1Click(Sender: TObject); procedure ZQueryGridAfterPost(DataSet: TDataSet); procedure btnQueryReplaceClick(Sender: TObject); procedure ReplaceDialogQueryReplace(Sender: TObject); procedure ReplaceDialogQueryFind(Sender: TObject); procedure FindDialogQueryFind(Sender: TObject); procedure btnQuerySaveSnippetClick(Sender: TObject); procedure SynCompletionProposal1AfterCodeCompletion(Sender: TObject; const Value: String; Shift: TShiftState; Index: Integer; EndToken: Char); procedure btnDbPropertiesClick(Sender: TObject); procedure popupDbGridPopup(Sender: TObject); procedure SynCompletionProposal1CodeCompletion(Sender: TObject; var Value: String; Shift: TShiftState; Index: Integer; EndToken: Char); procedure SynCompletionProposal1Execute(Kind: TSynCompletionType; Sender: TObject; var CurrentInput: String; var x, y: Integer; var CanExecute: Boolean); procedure PerformConnect; procedure ToolButton4Click(Sender: TObject); procedure FormClose(Sender: TObject; var Action: TCloseAction); procedure ReadDatabasesAndTables(Sender: TObject); procedure DBtreeChange(Sender: TObject; Node: TTreeNode); procedure pcChange(Sender: TObject); procedure viewdata(Sender: TObject); procedure ShowDBProperties(Sender: TObject); procedure ShowTableProperties(Sender: TObject); procedure ValidateControls(FrmIsFocussed: Boolean = true); procedure SelectHost; procedure SelectDatabase(db: String); procedure SelectTable(db: String; table: String; switchView: boolean = true); procedure ShowTableData(table: string); procedure ShowTable(Sender: TObject); procedure EmptyTable(Sender: TObject); procedure DropDB(Sender: TObject); procedure LogSQL(msg: String = ''; comment: Boolean = true ); procedure ShowVariablesAndProcesses(Sender: TObject); procedure CreateDatabase(Sender: TObject); procedure KillProcess(Sender: TObject); procedure PageControlHostChange(Sender: TObject); procedure ExecSQLClick(Sender: TObject; Selection: Boolean = false; CurrentLine: Boolean=false); procedure DropField(Sender: TObject); procedure SynMemoQueryChange(Sender: TObject); procedure CreateTable(Sender: TObject); procedure TimerHostUptimeTimer(Sender: TObject); procedure FormActivate(Sender: TObject); procedure FormDeactivate(Sender: TObject); procedure FormShow(Sender: TObject); procedure UpdateField(Sender: TObject); procedure MenuAdvancedPropertiesClick(Sender: TObject); procedure ListTablesEdited(Sender: TObject; Item: TListItem; var S: String); procedure MenuRenameTableClick(Sender: TObject); procedure MenuViewBlobClick(Sender: TObject); procedure TimerConnectedTimer(Sender: TObject); procedure Clear1Click(Sender: TObject); procedure MenuTableCommentClick(Sender: TObject); procedure Clear2Click(Sender: TObject); procedure EditQuery1Click(Sender: TObject); procedure Markall3Click(Sender: TObject); procedure ReadWindowOptions; procedure More1Click(Sender: TObject); procedure MenuOptimizeClick(Sender: TObject); procedure MenuCheckClick(Sender: TObject); procedure MenuAnalyzeClick(Sender: TObject); procedure MenuRepairClick(Sender: TObject); procedure ListTablesDblClick(Sender: TObject); procedure TimerConnectErrorCloseWindowTimer(Sender: TObject); procedure gridDataTitleClick(Column: TColumn); procedure Filter1Click(Sender: TObject); procedure MenuLimitClick(Sender: TObject); procedure Delete1Click(Sender: TObject); procedure QuickFilterClick(Sender: TObject); procedure btnBlobWordWrapClick(Sender: TObject); procedure PageControlBlobEditorsChange(Sender: TObject); procedure btnBlobSaveClick(Sender: TObject); procedure btnBlobLoadClick(Sender: TObject); procedure btnFilterLoadClick(Sender: TObject); procedure btnFilterSaveClick(Sender: TObject); procedure setFilter(Sender: TObject); procedure ClearFilter(Sender: TObject); procedure LoadSQLWhereFile(Sender: TObject); procedure DropFilter1Click(Sender: TObject); procedure MenuChangeTypeClick(Sender: TObject); procedure MenuChangeTypeOtherClick(Sender: TObject); procedure InsertRecord(Sender: TObject); procedure selectall1Click(Sender: TObject); procedure popupResultGridPopup(Sender: TObject); procedure gridDataColumnMoved(Sender: TObject; FromIndex, ToIndex: Integer); procedure Autoupdate1Click(Sender: TObject); procedure EnableAutoRefreshClick(Sender: TObject); procedure ShowProcessList(sender: TObject); procedure DisableAutoRefreshClick(Sender: TObject); procedure SynMemoQueryDragOver(Sender, Source: TObject; X, Y: Integer; State: TDragState; var Accept: Boolean); procedure SynMemoQueryDragDrop(Sender, Source: TObject; X, Y: Integer); procedure SynMemoQueryDropFiles(Sender: TObject; X, Y: Integer; AFiles: TStrings); procedure SynMemoQueryKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState); procedure SynMemoQueryMouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); procedure popupHostPopup(Sender: TObject); procedure ListTablesEditing(Sender: TObject; Item: TListItem; var AllowEdit: Boolean); procedure Saveastextfile1Click(Sender: TObject); procedure popupTreeViewPopup(Sender: TObject); procedure btnQueryFindClick(Sender: TObject); procedure btnQuerySaveClick(Sender: TObject); procedure btnQueryLoadClick(Sender: TObject); procedure btnFilterPreviousClick(Sender: TObject); procedure btnFilterNextClick(Sender: TObject); procedure ComboBoxWhereFiltersChange(Sender: TObject); procedure btnQueryStopOnErrorsClick(Sender: TObject); procedure DBGridDblClick(Sender: TObject); procedure SaveDialogExportDataTypeChange(Sender: TObject); procedure DBGridGetCellParams(Sender: TObject; Field: TField; AFont: TFont; var Background: TColor; Highlight: Boolean); procedure popupDataGridPopup(Sender: TObject); procedure InsertDate(Sender: TObject); procedure btnBlobCopyClick(Sender: TObject); procedure setNULL1Click(Sender: TObject); procedure MenuAddFieldClick(Sender: TObject); procedure ZQueryGridBeforeClose(DataSet: TDataSet); function GetNamedVar( SQLQuery: String; x: String; HandleErrors: Boolean = false; DisplayErrors: Boolean = false ) : String; function GetVar( SQLQuery: String; x: Integer = 0; HandleErrors: Boolean = false; DisplayErrors: Boolean = false ) : String; function GetResults( SQLQuery: String; HandleErrors: Boolean = false; DisplayErrors: Boolean = false ): TDataSet; function GetCol( SQLQuery: String; x: Integer = 0; HandleErrors: Boolean = false; DisplayErrors: Boolean = false ) : TStringList; procedure ZSQLMonitor1LogTrace(Sender: TObject; Event: TZLoggingEvent); procedure ResizeImageToFit; procedure Splitter2Moved(Sender: TObject); procedure DataSourceDataChange(Sender: TObject; Field: TField); procedure DBGridColEnter(Sender: TObject); procedure ZQuery1EditError(DataSet: TDataSet; E: EDatabaseError; var Action: TDataAction); procedure FormResize(Sender: TObject); procedure ButtonDataSearchClick(Sender: TObject); procedure EditDataSearchEnter(Sender: TObject); procedure EditDataSearchExit(Sender: TObject); procedure ListTablesColumnRightClick(Sender: TObject; Column: TListColumn; Point: TPoint); procedure MenuTablelistColumnsClick(Sender: TObject); procedure ListTablesMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); function mask(str: String) : String; procedure CheckConnection(); procedure QueryLoad( filename: String; ReplaceContent: Boolean = true ); procedure AddOrRemoveFromQueryLoadHistory( filename: String; AddIt: Boolean = true; CheckIfFileExists: Boolean = true ); procedure popupQueryLoadClick( sender: TObject ); procedure FillPopupQueryLoad; procedure PopupQueryLoadRemoveAbsentFiles( sender: TObject ); procedure ExecuteNonQuery(SQLQuery: String); function ExecuteQuery(query: String): TDataSet; function CreateOrGetRemoteQueryTab(sender: THandle): THandle; procedure menuDeleteSnippetClick(Sender: TObject); function GetCalculatedLimit( Table: String ): Int64; procedure menuInsertFileAtCursorClick(Sender: TObject); procedure RunAsyncPost(ds: TDeferDataSet); private strHostRunning : String; strHostNotRunning : String; uptime : Integer; time_connected : Cardinal; OnlyDBs, OnlyDBs2 : TStringList; // used on connecting viewingdata : Boolean; WhereFilters : TStringList; WhereFiltersIndex : Integer; StopOnErrors, WordWrap : Boolean; FMysqlConn : TMysqlConn; FConn : TOpenConnProf; QueryRunningInterlock : Integer; lastUsedDB : String; UserQueryFired : Boolean; CachedTableLists : TStringList; QueryHelpersSelectedItems : Array[0..3] of Integer; function GetQueryRunning: Boolean; procedure SetQueryRunning(running: Boolean); procedure GridHighlightChanged(Sender: TObject); procedure SaveBlob; function GetActiveGrid: TSMDBGrid; procedure WaitForQueryCompletion(WaitForm: TForm); function RunThreadedQuery(AQuery : String) : TMysqlQuery; procedure DisplayRowCountStats(ds: TDataSet); procedure insertFunction(Sender: TObject); public ActualDatabase : String; ActualTable : String; dataselected : Boolean; editing : Boolean; mysql_version : Integer; tnodehost : TTreeNode; Description : String; DBRightClickSelectedItem : TTreeNode; // TreeNode for dropping with right-click FProgressForm : TFrmQueryProgress; procedure Init(AConn : POpenConnProf; AMysqlConn : TMysqlConn); //procedure HandleQueryNotification(ASender : TMysqlQuery; AEvent : Integer); function GetVisualDataset() : TDataSet; function ExecUpdateQuery(sql: string; HandleErrors: Boolean = false; DisplayErrors: Boolean = false): Int64; function ExecSelectQuery(sql: string; HandleErrors: Boolean = false; DisplayErrors: Boolean = false): TDataSet; procedure ExecUseQuery(db: string; HandleErrors: Boolean = false; DisplayErrors: Boolean = false); property FQueryRunning: Boolean read GetQueryRunning write SetQueryRunning; property ActiveGrid: TSMDBGrid read GetActiveGrid; property MysqlConn : TMysqlConn read FMysqlConn; property Conn : TOpenConnProf read FConn; function FetchActiveDbTableList: TDataSet; function RefreshActiveDbTableList: TDataSet; procedure ClearAllTableLists; procedure UpdateTreeTableList; procedure EnsureActiveDatabase; end; type // Represents errors already "handled" (shown to user), // which can thus safely be ignored. THandledSQLError = class(Exception) end; // ----------------------------------------------------------------------------- implementation uses Main, createtable, fieldeditor, tbl_properties, tblcomment, optimizetables, copytable, sqlhelp, printlist, column_selection, data_sorting, runsqlfile, mysql; {$I const.inc} {$R *.DFM} function TMDIChild.CreateOrGetRemoteQueryTab(sender: THandle): THandle; begin // Should create a tab for commands from another window, // or return a handle to an existing tab if one already exists for that window. // // TODO: Implement this when multiple tabs are implemented. // Return a tab's handle instead of the childwin's handle. result := Self.Handle; end; procedure TMDIChild.PerformConnect; var charset : String; v : String[10]; versions : TStringList; begin try time_connected := 0; TimerConnected.Enabled := true; LogSQL( 'Connection established with host "' + FMysqlConn.Connection.hostname + '" on port ' + IntToStr(FMysqlConn.Connection.Port) ); LogSQL( 'Connection-ID: ' + IntToStr( MySQLConn.Connection.GetThreadId ) ); {*** Detect server version } v := GetVar( 'SELECT VERSION()' ); versions := explode( '.', v ); mysql_version := MakeInt( versions[0] ) * 10000 + MakeInt( versions[1] ) * 100 + MakeInt( versions[2] ); strHostRunning := FConn.MysqlParams.Host + ' running MySQL-Version ' + v + ' / Uptime: %s'; strHostNotRunning := 'Disconnected from ' + FConn.MysqlParams.Host + '.'; // On Re-Connection, try to restore lost properties {*** SET NAMES statement available since MySQL 4.1.0 . Older versions throw a SQL-error: "Unknown system variable 'NAMES'" @see http://lists.phpbar.de/pipermail/opengeodb/2005-September/002455.html } if ( mysql_version >= 40100 ) then begin charset := ConvertWindowsCodepageToMysqlCharacterSet( GetACP() ); if ( charset = '' ) then begin LogSQL( 'Could not find a MySQL character set to match the current ' + 'Windows ANSI codepage.', true ); LogSQL( Format( 'Use SHOW CHARACTER SET to see MySQL character sets; ' + 'if you can find one that you are certain matches %d, please report' + ' it via http://rfe.heidisql.com/.', [GetACP()] ), true ); end else begin ExecuteNonQuery( 'SET NAMES ' + charset ); end; end; if ( FMysqlConn.Connection.Database <> '' ) then begin ExecUseQuery( FMysqlConn.Connection.Database ); end; except on E: Exception do begin LogSQL( E.Message, true ); Screen.Cursor := crDefault; MessageDlg( E.Message, mtError, [mbOK], 0 ); raise; end; end; end; function TMDIChild.GetQueryRunning: Boolean; begin Result := ( QueryRunningInterlock = 1 ); end; procedure TMDIChild.SetQueryRunning(running: Boolean); var newValue : Integer; oldValue : Integer; begin if ( running ) then begin newValue := 1; end else begin newValue := 0; end; oldValue := InterlockedExchange( QueryRunningInterlock, newValue ); if ( newValue = oldValue ) then begin case ( newValue ) of 1 : begin raise Exception.Create( 'Error: Default connection is ' + 'already executing a query.' ); end; 0 : begin raise Exception.Create( 'Internal badness: Double reset of running ' + 'flag.' ); end; end; end; end; // Check the tabletype of the selected table in the Popupmenu of ListTables procedure TMDIChild.popupDbGridPopup(Sender: TObject); var i : byte; SelectedEngine : String; begin if ( ListTables.SelCount <> 1 ) then begin Exit; end; for i := 0 to ( ListTables.Columns.Count - 1 ) do begin if ( ListTables.Columns[i].Caption = 'Engine' ) then begin SelectedEngine := ListTables.Selected.SubItems[i - 1]; Break; end; end; for i := 0 to ( MenuChangeType.Count - 1 ) do begin MenuChangeType.Items[i].Checked := ( MenuChangeType.Items[i].Caption = SelectedEngine ); end; end; procedure TMDIChild.Init(AConn : POpenConnProf; AMysqlConn : TMysqlConn); var AutoReconnect : Boolean; menuitem : TMenuItem; winName : String; i, j : Integer; treenode : TTreeNode; ds : TDataSet; miGroup, miFunction : TMenuItem; functioncats : TStringList; begin QueryRunningInterlock := 0; UserQueryFired := False; CachedTableLists := TStringList.Create; FConn := AConn^; FMysqlConn := AMysqlConn; // we're now responsible to free it FConn.MysqlConn := FMysqlConn.Connection; // use this connection (instead of zConn) // Initialization: establish connection and read some vars from registry MainForm.Showstatus( 'Creating window...', 2, true ); // Temporarily disable AutoReconnect in Registry // in case of unexpected application-termination AutoReconnect := false; with ( TRegistry.Create() ) do begin OpenKey( REGPATH, true ); if ( Valueexists( 'Autoreconnect' ) ) then begin if ( ReadBool( 'AutoReconnect' ) ) then begin AutoReconnect := true; WriteBool( 'AutoReconnect', false ); end; end; CloseKey(); end; ReadWindowOptions(); MainForm.Showstatus( 'Connecting to ' + FConn.MysqlParams.Host + '...', 2, true ); try PerformConnect(); except TimerConnectErrorCloseWindow.Enabled := true; Exit; end; Description := FMysqlConn.Description;; Caption := Description; OnlyDBs := explode( ';', FConn.DatabaseList ); if ( FConn.DatabaseListSort ) then begin OnlyDBs.Sort(); end; // Fill variables-list, processlist and DB-tree ShowVariablesAndProcesses( Self ); ReadDatabasesAndTables( Self ); // Re-enable AutoReconnect in Registry! if ( AutoReconnect ) then begin with ( TRegistry.Create() ) do begin OpenKey( REGPATH, true ); WriteBool( 'AutoReconnect', true ); CloseKey(); end; end; // Set some defaults ActualDatabase := ''; ActualTable := ''; // Read engine-types for popupmenu in database tab if ( mysql_version >= 40102 ) then begin for i := ( MenuChangeType.Count - 1 ) downto 0 do begin MenuChangeType.Delete(i); end; ds := GetResults( 'SHOW ENGINES' ); for i := 0 to ( ds.RecordCount - 1 ) do begin menuitem := TMenuItem.Create(self); menuitem.Caption := ds.FieldByName('Engine').AsString; menuitem.Hint := ds.FieldByName('Comment').AsString; if ( UpperCase( ds.FieldByName('Support').AsString ) = 'NO' ) then begin menuitem.Enabled := false; menuitem.Hint := menuitem.Hint + ' ('+STR_NOTSUPPORTED+')'; end; menuitem.OnClick := MenuChangeTypeClick; MenuChangeType.Add( menuitem ); ds.Next(); end; end; // Define window properties SetWindowConnected( true ); i := SetWindowName( Description ); winName := Description; if ( i <> 0 ) then begin winName := winName + Format( ' (%d)', [i] ); end; Application.Title := winName + ' - ' + APPNAME; // Reselect last used database if ( ( MainForm.GetRegValue( 'RestoreLastUsedDB', true ) ) and ( lastUsedDB <> '' ) ) then begin for j := 0 to ( DBTree.Items.Count - 1 ) do begin treenode := DBTree.Items[j]; if ( ( treenode.Level = 1 ) and ( treenode.Text = lastUsedDB ) ) then begin DBTree.Selected := treenode; Break; end; end; end; // Set the grid-cells to always-edit-mode. gridData.Options := gridData.Options + [dgAlwaysShowEditor]; gridQuery.Options := gridQuery.Options + [dgAlwaysShowEditor]; // read function-list into menu functioncats := GetFunctionCategories; for i:=0 to functioncats.Count-1 do begin // Create a menu item which gets subitems later miGroup := TMenuItem.Create(self); miGroup.Caption := functioncats[i]; popupQuery.Items.add(miGroup); for j:=0 to Length(MySqlFunctions)-1 do begin if MySqlFunctions[j].Category <> functioncats[i] then continue; miFunction := TMenuItem.Create(self); miFunction.Caption := MySqlFunctions[j].Name; miFunction.ImageIndex := 86; // Prevent generating a hotkey miFunction.Caption := StringReplace(miFunction.Caption, '&', '&&', [rfReplaceAll]); // Prevent generating a seperator line if miFunction.Caption = '-' then miFunction.Caption := '&-'; miFunction.Hint := MySqlFunctions[j].Name + MySqlFunctions[j].Declaration; // Take care of needed server version if MySqlFunctions[j].Version <= mysql_version then begin if MySqlFunctions[j].Description <> '' then miFunction.Hint := miFunction.Hint + ' - ' + Copy(MySqlFunctions[j].Description, 0, 200 ); miFunction.Tag := j; // Place menuitem on menu miFunction.OnClick := insertFunction; end else begin miFunction.Hint := miFunction.Hint + ' - ('+STR_NOTSUPPORTED+', needs >= '+ConvertServerVersion(MySqlFunctions[j].Version)+')'; miFunction.Enabled := False; end; // Prevent generating a seperator for ShortHint and LongHint miFunction.Hint := StringReplace( miFunction.Hint, '|', '¦', [rfReplaceAll] ); miGroup.Add(miFunction); end; end; end; procedure TMDIChild.ReadWindowOptions; var ws : String; i : Integer; menuitem : Tmenuitem; begin with ( TRegistry.Create() ) do begin if OpenKey( REGPATH, true ) then begin ws := ReadString( 'childwinstate' ); if ( ws = 'Normal' ) then begin WindowState := wsNormal; if ValueExists( 'childwinleft' ) then begin Left := ReadInteger( 'childwinleft' ); Top := ReadInteger( 'childwintop' ); Width := ReadInteger( 'childwinwidth' ); Height := ReadInteger( 'childwinheight' ); end; end else if ( ws = 'Minimized' ) then begin WindowState := wsMinimized end else if ( ws = 'Maximized' ) then begin WindowState := wsMaximized; end; // Other values: if ( ValueExists( 'querymemoheight' ) ) then begin pnlQueryMemo.Height := ReadInteger('querymemoheight'); end; if ValueExists( 'queryhelperswidth' ) then begin pnlQueryHelpers.Width := ReadInteger('queryhelperswidth'); end; if ( ValueExists( 'dbtreewidth' ) ) then begin DBtree.Width := ReadInteger( 'dbtreewidth' ); end; if ( ValueExists( 'sqloutheight' ) ) then begin PageControlBottom.Height := ReadInteger( 'sqloutheight' ); end; if ( ValueExists( 'DefaultColWidth' ) ) then begin Mainform.DefaultColWidth := ReadInteger( 'DefaultColWidth' ); end else begin Mainform.DefaultColWidth := 100; end; // SQL-Font: if ( ( ValueExists( 'FontName' ) ) and ( ValueExists('FontSize') ) ) then begin SynMemoQuery.Font.Name := ReadString( 'FontName' ); SynMemoSQLLog.Font.Name := ReadString( 'FontName' ); SynMemoQuery.Font.Size := ReadInteger( 'FontSize' ); SynMemoSQLLog.Font.Size := ReadInteger( 'FontSize' ); end; // Data-Font: if ( ( ValueExists( 'DataFontName' ) ) and ( ValueExists( 'DataFontSize' ) ) ) then begin gridData.Font.Name := ReadString( 'DataFontName' ); gridQuery.Font.Name := ReadString( 'DataFontName' ); DBMemo1.Font.Name := ReadString( 'DataFontName' ); gridData.Font.Size := ReadInteger( 'DataFontSize' ); gridQuery.Font.Size := ReadInteger( 'DataFontSize' ); DBMemo1.Font.Size := ReadInteger( 'DataFontSize' ); end; // Color coding: if ( ValueExists( 'SQLColKeyAttri' ) ) then begin SynSQLSyn1.KeyAttri.Foreground := StringToColor( ReadString( 'SQLColKeyAttri' ) ); end; if ( ValueExists( 'SQLColFunctionAttri' ) ) then begin SynSQLSyn1.FunctionAttri.Foreground := StringToColor( ReadString( 'SQLColFunctionAttri' ) ); end; if ( ValueExists( 'SQLColDataTypeAttri' ) ) then begin SynSQLSyn1.DataTypeAttri.Foreground := StringToColor( ReadString( 'SQLColDataTypeAttri' ) ); end; if ( ValueExists( 'SQLColNumberAttri' ) ) then begin SynSQLSyn1.NumberAttri.Foreground := StringToColor( ReadString( 'SQLColNumberAttri' ) ); end; if ( ValueExists( 'SQLColStringAttri' ) ) then begin SynSQLSyn1.StringAttri.Foreground := StringToColor( ReadString( 'SQLColStringAttri' ) ); end; if ( ValueExists( 'SQLColCommentAttri' ) ) then begin SynSQLSyn1.CommentAttri.Foreground := StringToColor( ReadString( 'SQLColCommentAttri' ) ); end; if ( ValueExists( 'SQLColTablenameAttri' ) ) then begin SynSQLSyn1.TablenameAttri.Foreground := StringToColor( ReadString( 'SQLColTablenameAttri' ) ); end; // SQLFiles-History FillPopupQueryLoad(); // SQL-Filter-Files-History i := 1; popupFilterOpenFile.Items.Clear(); while ( ValueExists( 'SQLWhereFile' + IntToStr(i) ) ) do begin menuitem := Tmenuitem.Create(Self); menuitem.Caption := IntToStr( popupFilterOpenFile.Items.count + 1) + ' ' + ReadString( 'SQLWhereFile' + IntToStr(i) ); menuitem.OnClick := LoadSQLWhereFile; popupFilterOpenFile.Items.Add( menuitem ); inc( i ); end; // Synchronize internal variables with defaults from DFM. StopOnErrors := btnQueryStopOnErrors.Down; // Open server-specific registry-folder. // relative from already opened folder! OpenKey( 'Servers\' + FConn.Description, true ); // Set last used database, select it later in Init lastUsedDB := ReadString( 'lastUsedDB' ); end; CloseKey(); end; end; procedure TMDIChild.FormClose(Sender: TObject; var Action: TCloseAction); var ws : String; begin SetWindowConnected( false ); SetWindowName( main.discname ); Application.Title := APPNAME; // Closing connection and saving some vars into registry case ( WindowState ) of wsNormal : begin ws := 'Normal'; end; wsMinimized : begin ws := 'Minimized'; end; wsMaximized : begin ws := 'Maximized'; end; end; with ( TRegistry.Create() ) do begin if ( OpenKey( REGPATH, true ) ) then begin // Window state and position WriteString( 'childwinstate', ws ); WriteInteger( 'childwinleft', left ); WriteInteger( 'childwintop', top ); WriteInteger( 'childwinwidth', width ); WriteInteger( 'childwinheight', height ); WriteInteger( 'querymemoheight', pnlQueryMemo.Height ); WriteInteger( 'queryhelperswidth', pnlQueryHelpers.Width ); WriteInteger( 'dbtreewidth', dbtree.width ); WriteInteger( 'sqloutheight', PageControlBottom.Height ); // Open server-specific registry-folder. // relative from already opened folder! OpenKey( 'Servers\' + FConn.Description, true ); WriteString( 'lastUsedDB', ActualDatabase ); end; end; FormDeactivate( Sender ); mainform.ToolBarData.Visible := false; Action := caFree; SetWindowConnected( false ); SetWindowName( main.discname ); Application.Title := APPNAME; end; procedure TMDIChild.LogSQL(msg: String = ''; comment: Boolean = true); begin // Add a sql-command or info-line to history-memo while ( SynMemoSQLLog.Lines.Count > mainform.logsqlnum ) do begin SynMemoSQLLog.Lines.Delete(0); end; // Shorten very long messages if ( Length( msg ) > SQLLOG_CHAR_LIMIT ) then begin msg := '/* Very large SQL query, showing first ' + FormatNumber( SQLLOG_CHAR_LIMIT ) + ' characters: */ ' + Copy( msg, 0, SQLLOG_CHAR_LIMIT ) + ' ...'; end; msg := StringReplace( msg, #9, ' ', [rfReplaceAll] ); msg := StringReplace( msg, #10, ' ', [rfReplaceAll] ); msg := StringReplace( msg, #13, ' ', [rfReplaceAll] ); msg := StringReplace( msg, ' ', ' ', [rfReplaceAll] ); if ( comment ) then begin msg := '/* ' + msg + ' */'; end; SynMemoSQLLog.Lines.Add( msg ); SynMemoSQLLog.SetBookMark( 0, 0, SynMemoSQLLog.Lines.Count ); SynMemoSQLLog.GotoBookMark( 0 ); SynMemoSQLLog.ClearBookMark( 0 ); SynMemoSQLLog.Repaint(); end; procedure TMDIChild.ReadDatabasesAndTables(Sender: TObject); var tnode : TTreeNode; tmpSelected : TTreeNode; i : Integer; specialDbs : TStringList; dbName : String; ds : TDataSet; begin // Fill DBTree Screen.Cursor := crHourGlass; dataselected := false; DBTree.OnChange := nil; DBTree.items.Clear(); ClearAllTableLists; tnodehost := DBtree.Items.Add( nil, FConn.MysqlParams.User + '@' + FConn.MysqlParams.Host ); // Host or Root tnodehost.ImageIndex := 41; tnodehost.SelectedIndex := 41; Screen.Cursor := crSQLWait; mainform.Showstatus( 'Reading Databases...', 2, true ); if ( OnlyDBs.Count = 0 ) then begin OnlyDBs2 := TStringList.Create(); specialDbs := TStringList.Create(); ds := GetResults( 'SHOW DATABASES' ); for i:=1 to ( ds.RecordCount ) do begin dbName := ds.FieldByName('Database').AsString; if ( dbName = DBNAME_INFORMATION_SCHEMA ) then begin specialDbs.Insert( 0, dbName ) end (* else if ( dbName = DBNAME_MYSQL ) then begin specialDbs.Add( dbName ); end *) else begin OnlyDBs2.Add( dbName ); end; ds.Next(); end; OnlyDBs2.Sort(); // Prioritised position of system-databases for i := ( specialDbs.Count - 1 ) downto 0 do begin OnlyDBs2.Insert( 0, specialDbs[i] ); end; end else begin OnlyDBs2 := OnlyDBs; end; // Avoids excessive InitializeKeywordLists() calls. SynSQLSyn1.TableNames.BeginUpdate(); // Let synedit know all database names so that they can be highlighted // TODO: Is this right? Adding "." seems to make more sense.. SynSQLSyn1.TableNames.AddStrings( OnlyDBs2 ); SynSQLSyn1.TableNames.EndUpdate(); // List Databases and Tables-Names tmpSelected := nil; for i := 0 to ( OnlyDBs2.Count - 1 ) do begin tnode := DBtree.Items.AddChild( tnodehost, OnlyDBs2[i] ); tnode.ImageIndex := 37; tnode.SelectedIndex := 38; // Add dummy-node, will be replaced by real tables on expanding DBTree.Items.AddChild( tnode, DUMMY_NODE_TEXT ); if ( ActualDatabase = OnlyDBs2[i] ) then begin tmpSelected := tnode; end; end; mainform.showstatus( IntToStr( OnlyDBs2.Count ) + ' Databases' ); tnodehost.Expand( false ); DBTree.OnChange := DBtreeChange; if ( tmpSelected <> nil ) then begin DBTree.Selected := tmpSelected; end else begin DBTree.Selected := tnodehost; end; DBtreeChange( Self, tnodehost ); MainForm.ShowStatus( STATUS_MSG_READY, 2 ); Screen.Cursor := crDefault; end; procedure TMDIChild.SelectHost; begin if (not DBTree.Dragging) and ( (PageControlMain.ActivePage = tabDatabase) or (PageControlMain.ActivePage = tabTable) or (PageControlMain.ActivePage = tabData) ) then PageControlMain.ActivePage := tabHost; tabDatabase.TabVisible := false; tabTable.TabVisible := false; tabData.TabVisible := false; Caption := Description; ActualDatabase := ''; ActualTable := ''; end; procedure TMDIChild.SelectDatabase(db: String); begin if (not DBTree.Dragging) and ( (PageControlMain.ActivePage = tabTable) or (PageControlMain.ActivePage = tabData) ) then PageControlMain.ActivePage := tabDatabase; tabDatabase.TabVisible := true; tabTable.TabVisible := false; tabData.TabVisible := false; ListTables.Items.Clear(); ListColumns.Items.Clear(); pnlTableTop.Caption := 'Table-Properties'; Caption := Description + ' - /' + ActualDatabase; ActualDatabase := db; ActualTable := ''; try ShowDBProperties( Self ); except // Clear selection which we couldn't satisfy. if ( DBtree.Items.Count < 1 ) then begin DBtree.Selected := nil end else begin DBtree.Selected := DBtree.Items[0]; end; end; end; procedure TMDIChild.SelectTable(db: String; table: String; switchView: boolean = true); begin dataselected := false; ActualDatabase := db; ActualTable := table; if switchView then ShowTableProperties( Self ); Caption := Description + ' - /' + ActualDatabase + '/' + ActualTable; end; // React on dbtree-clicks procedure TMDIChild.DBtreeChange(Sender: TObject; Node: TTreeNode); begin if ( Node = nil ) then begin raise Exception.Create( 'Internal badness: No host node in object tree.' ); end; Screen.Cursor := crHourGlass; case ( Node.Level ) of 0 : // Root / Host chosen begin SelectHost(); end; 1 : // DB chosen begin SelectDatabase( Node.Text ); end; 2 : // Table chosen begin SelectTable( Node.Parent.Text, Node.Text ); end; end; pcChange( Self ); Screen.Cursor := crDefault; end; {*** A database-node is about to be expanded: Drop the dummy-node and add all tables } procedure TMDIChild.DBtreeExpanding(Sender: TObject; Node: TTreeNode; var AllowExpansion: Boolean); var i : Integer; TableNames : TStringList; begin if ( ( Node.getFirstChild <> nil ) and ( Node.getFirstChild.Text = DUMMY_NODE_TEXT ) ) then begin // Drop dummynode for i := ( Node.Count - 1 ) downto 0 do begin Node.Item[i].Delete(); end; // Get all tables into dbtree TableNames := GetCol( 'SHOW TABLES FROM ' + mask( Node.Text ) ); for i := 0 to ( TableNames.Count - 1 ) do begin with ( DBTree.Items.AddChild( Node, TableNames[i] ) ) do begin ImageIndex := 39; SelectedIndex := 40; end; end; // Add tables to syntax-highlighter AddUniqueItemsToList( TableNames, SynSQLSyn1.TableNames ); end; end; procedure TMDIChild.viewdata(Sender: TObject); var sorting : String; DropDown : TStringList; i : Integer; j : Integer; Columns : TStringList; PrimaryKeyColumns : TStringList; reg : TRegistry; reg_value : String; orderclauses : TStringList; columnname : String; columnexists : Boolean; select_base : String; limit : Int64; ds : TDataSet; conn : TOpenConnProf; sl_query : TStringList; manualLimit : boolean; manualLimitEnd : integer; DisplayedColumnsList : TStringList; tmp : TDataSet; RewriteOrderClause : Boolean; begin viewingdata := true; try sl_query := TStringList.Create(); // limit number of rows automatically if first time this table is shown if ( not dataselected ) then begin manualLimit := false; manualLimitEnd := -1; with TRegistry.Create do begin if OpenKey(REGPATH, true) then begin if Valueexists('DataLimitEnd') then begin manualLimitEnd := ReadInteger('DataLimitEnd'); if Valueexists('DataLimit') then manualLimit := ReadBool('DataLimit'); end; end; end; // limit number of rows fetched according to preferences if manualLimit then begin // manual limit set in preferences limit := manualLimitEnd; end else begin // no tick in preferences check box - auto-limit: // limit number of rows fetched if more than ~ 5 MB of data limit := GetCalculatedLimit( ActualTable ); end; // adjust limit in GUI mainform.ToolBarData.Visible := true; if ( limit = -1 ) then begin mainform.CheckBoxLimit.Checked := false; end else begin mainform.CheckBoxLimit.Checked := true; mainform.EditLimitStart.Text := '0'; mainform.EditLimitEnd.Text := IntToStr( limit ); end; mainform.Repaint(); end; // set db-aware-component's properties... DBMemo1.DataField := ''; DBMemo1.DataSource := DataSource1; EDBImage1.DataField := ''; EDBImage1.DataSource := DataSource1; reg := TRegistry.Create(); reg.OpenKey( REGPATH + '\Servers\' + FConn.Description, true ); if ( not dataselected ) then begin SynMemoFilter.Text := ''; // Read cached WHERE-clause and set filter reg_value := 'WHERECLAUSE_' + ActualDatabase + '.' + ActualTable; if ( reg.ValueExists( reg_value ) ) then begin SynMemoFilter.Text := reg.ReadString( reg_value ); // Ensure the user can see its previous specified filter // in case of an SQL-error, it's important that he can delete it tabFilter.tabVisible := true; PageControlBottom.ActivePage := tabFilter; end; end; // Read cached ORDER-clause and set Grid.Sortcolumns reg_value := 'ORDERCLAUSE_' + ActualDatabase + '.' + ActualTable; sorting := ''; gridData.SortColumns.Clear(); if ( reg.ValueExists( reg_value ) ) then begin orderclauses := explode( ',', reg.ReadString( reg_value ) ); RewriteOrderClause := False; for i := 0 to ( orderclauses.Count - 1 ) do begin columnname := Trim( Copy( orderclauses[i], 0, LastPos( ' ', orderclauses[i] ) ) ); columnname := trimc( columnname, '`' ); columnexists := false; for j := 0 to ( ListColumns.Items.Count - 1 ) do begin if ( ListColumns.Items[j].Caption = columnname ) then begin columnexists := true; Break; end; end; if ( not columnexists ) then begin LogSQL( 'Notice: A stored ORDER-BY clause could not be applied, '+ 'because the column "' + columnname + '" does not exist!'); RewriteOrderClause := True; Continue; end; // Add column to order clause if sorting <> '' then sorting := sorting + ', '; sorting := sorting + orderclauses[i]; with ( gridData.SortColumns.Add() ) do begin Fieldname := columnname; if ( Copy( orderclauses[i], ( Length( orderclauses[i] ) - 3 ), 4 ) = 'DESC' ) then begin SortType := stAscending; end else begin SortType := stDescending; end; end; end; // Old orderclause contained a no longer existing column, so overwrite it if RewriteOrderClause then begin reg.WriteString( reg_value, sorting ); end; end; if ( sorting <> '' ) then begin sorting := 'ORDER BY ' + sorting; // Signal for the user that we applied an ORDER-clause btnDataSorting.Font.Color := clRed; end else begin btnDataSorting.Font.Color := clWindowText; end; MenuLimit.Checked := Mainform.CheckBoxLimit.Checked; Columns := TStringList.Create(); PrimaryKeyColumns := TStringList.Create(); if ( ( ActualTable <> '' ) and ( ActualDatabase <> '' ) ) then begin // Ensure
and are visible tabTable.TabVisible := true; tabData.TabVisible := true; // Switch to PageControlMain.ActivePage := tabData; MainForm.ShowStatus( 'Retrieving data...', 2, true ); // Read columns to display from registry with( TRegistry.Create ) do begin OpenKey( REGPATH + '\Servers\' + FConn.Description, true ); DisplayedColumnsList := explode( '`', ReadString(REGNAME_DISPLAYEDCOLUMNS + '_' + ActualDatabase + '.' + ActualTable)); end; // Prepare SELECT statement select_base := 'SELECT '; // Try to calc the rowcount regardless of a given LIMIT // Only needed if the user specified a WHERE-clause if ( ( mysql_version >= 40000 ) and ( Trim( Self.SynMemoFilter.Text ) <> '' ) ) then begin select_base := select_base + ' SQL_CALC_FOUND_ROWS'; end; // Selected columns if DisplayedColumnsList.Count = 0 then begin select_base := select_base + ' *'; btnColumnSelection.Font.Color := clBtnText; end else begin for i := 0 to DisplayedColumnsList.Count - 1 do begin select_base := select_base + ' ' + mask(DisplayedColumnsList[i]) + ','; end; // Cut last comma select_base := copy( select_base, 1, Length(select_base)-1 ); // Signal for the user that we now hide some fields btnColumnSelection.Font.Color := clRed; end; select_base := select_base + ' FROM ' + mask( ActualTable ); sl_query.Add( select_base ); // Apply custom WHERE filter if ( Trim( Self.SynMemoFilter.Text ) <> '' ) then begin sl_query.Add( 'WHERE ' + Trim( Self.SynMemoFilter.Text ) ); end; // Apply custom ORDER BY if detected in registry if ( sorting <> '' ) then begin sl_query.Add( sorting ); end; // Apply LIMIT if ( mainform.CheckBoxLimit.Checked ) then begin sl_query.Add('LIMIT ' + mainform.EditLimitStart.Text + ', ' + mainform.EditLimitEnd.Text ); end; try conn := FConn; conn.MysqlParams.Database := ActualDatabase; // Avoid excessive GUI updates. if ( DataSource1.DataSet <> nil ) then begin DataSource1.DataSet.DisableControls(); end; // free previous resultset tmp := DataSource1.DataSet; DataSource1.DataSet := nil; FreeAndNil(tmp); // start query (with wait dialog) SynMemoFilter.Color := clWindow; ds := GetResults(sl_query.Text, false); MainForm.ShowStatus( 'Filling grid with record-data...', 2, true ); ds.DisableControls(); DataSource1.DataSet := ds; // Attach After- and Before-Events to the new dataset ds.AfterPost := ZQueryGridAfterPost; ds.AfterDelete := ZQueryGridAfterPost; ds.BeforeClose := ZQueryGridBeforeClose; except on E:Exception do begin // Most likely we have a wrong filter-clause when this happens LogSQL( E.Message, True ); // Put the user with his nose onto the wrong filter he specified if ( SynMemoFilter.CanFocus ) then begin SynMemoFilter.SetFocus(); end; SynMemoFilter.Color := $008080FF; // light pink MessageDlg( E.Message, mtError, [mbOK], 0 ); MainForm.ShowStatus( STATUS_MSG_READY, 2 ); Screen.Cursor := crDefault; Exit; end; end; MainForm.ShowStatus( STATUS_MSG_READY, 2 ); for i := 0 to ( ListColumns.Items.Count - 1 ) do begin Columns.Add( ListColumns.Items[i].Caption ); // give all enum-fields a PickList with its Items if ( StrCmpBegin( 'enum', ListColumns.Items[i].SubItems[0]) ) then begin DropDown := explode( ''',''', getEnumValues( ListColumns.Items[i].SubItems[0] ) ); for j := 0 to ( DropDown.Count - 1 ) do begin DropDown[j] := trimc( DropDown[j], '''' ); end; for j := 0 to ( gridData.Columns.Count - 1 ) do begin if ( gridData.Columns[j].FieldName = ListColumns.Items[i].Caption ) then begin gridData.Columns[j].PickList := DropDown; end; end; end; // make PK-columns = fsBold for j := 0 to ( gridData.Columns.Count - 1 ) do begin if ( ( gridData.Columns[j].FieldName = ListColumns.Items[i].Caption ) and ( ListColumns.Items[i].ImageIndex = 26 ) ) then begin PrimaryKeyColumns.Add( ListColumns.Items[i].Caption ); end; end; end; for j := 0 to ( gridData.Columns.Count - 1 ) do begin // for letting NULLs being inserted into "NOT NULL" fields // in mysql5+, the server rejects inserts with NULLs in NOT NULL-fields, // so the Required-check on client-side is not needed at any time ds.Fields[j].Required := false; // set column-width if ( (Mainform.DefaultColWidth <> 0) and (gridData.Columns[j].Width > Mainform.DefaultColWidth) ) then begin gridData.Columns[j].Width := Mainform.DefaultColWidth; end; // make PK-columns = fsBold for i := 0 to ( PrimaryKeyColumns.Count - 1 ) do begin if (PrimaryKeyColumns[i] = gridData.Columns[j].Fieldname) then begin gridData.Columns[j].Font.Style := gridData.Columns[j].Font.Style + [fsBold]; gridData.Columns[j].Color := $02EEEEEE; end; end; end; DisplayRowCountStats(ds); dataselected := true; viewingdata := false; ds.EnableControls(); pcChange(self); end; Screen.Cursor := crDefault; FreeAndNil (sl_query); finally viewingdata := false; end; end; {*** Calculate + display total rowcount and found rows matching to filter in data-tab } procedure TMDIChild.DisplayRowCountStats(ds: TDataSet); var rows_matching : Int64; // rows matching to where-filter rows_total : Int64; // total rowcount begin if ( ActiveGrid = gridQuery ) then begin Exit; end; // Get rowcount rows_total := StrToInt64( GetVar( 'SELECT COUNT(*) FROM ' + mask( ActualTable ), 0 ) ); lblDataTop.Caption := ActualDatabase + '.' + ActualTable + ': ' + FormatNumber( rows_total ) + ' records total'; {*** @note: FOUND_ROWS() gives us a correct number, but this number belongs in most cases to a different query than the previous SELECT, because Zeos does some automagically SHOW TABLES LIKE '' and SHOW COLUMNS LIKE '%' between the above SELECT and a following "SELECT FOUND_ROWS()". This problem has been introduced with the fix of a faulty caching-mechanism in Zeos (rev 312). and those queries seem to reset the FOUND_ROWS() since MySQL 5.0 The workaround is to store FOUND_ROWS() immediately after query-execution in a variable, which we are selecting here. @see TZMySQLResultSet:Create @see TZMySQLResultSet:Open } if Trim( SynMemoFilter.Text ) <> '' then begin if mysql_version >= 40000 then begin rows_matching := StrToInt64Def(GetVar('SELECT @found_rows'), 0); end else begin rows_matching := ActiveGrid.DataSource.DataSet.RecordCount; end; end else begin rows_matching := rows_total; end; if ( ( rows_matching <> rows_total ) and ( Trim( SynMemoFilter.Text ) <> '' ) ) then begin lblDataTop.Caption := lblDataTop.Caption + ', ' + FormatNumber(rows_matching) + ' matching to filter'; end; if ( ( rows_matching = rows_total ) and ( Trim( SynMemoFilter.Text ) <> '') ) then begin lblDataTop.Caption := lblDataTop.Caption + ', filter matches all records'; end; if ( ( mainform.CheckBoxLimit.Checked ) and ( rows_matching > StrToIntDef( mainform.EditLimitEnd.Text, 0 ) ) ) then begin lblDataTop.Caption := lblDataTop.Caption + ', limited to ' + FormatNumber( ds.RecordCount ); end; end; procedure TMDIChild.WaitForQueryCompletion(WaitForm: TForm); begin debug( 'Waiting for query to complete.' ); WaitForm.ShowModal(); debug( 'Query complete.' ); end; {*** Occurs when active tab has changed. } procedure TMDIChild.pcChange(Sender: TObject); var dummy : Boolean; begin tabFilter.tabVisible := (PageControlMain.ActivePage = tabData); Mainform.ExecuteQuery.Enabled := PageControlMain.ActivePage = tabQuery; Mainform.ExecuteSelection.Enabled := PageControlMain.ActivePage = tabQuery; Mainform.ExecuteLine.Enabled := PageControlMain.ActivePage = tabQuery; if (PageControlMain.ActivePage = tabData) and (not dataselected) then viewdata(self); if PageControlMain.ActivePage = tabQuery then begin if ActualDatabase <> '' then pnlQueryTop.Caption := 'SQL-Query on Database ' + ActualDatabase + ':' else pnlQueryTop.Caption := 'SQL-Query on Host ' + FConn.MysqlParams.Host + ':'; // Manually invoke OnChange event of tabset to fill helper list with data tabsetQueryHelpers.OnChange( Sender, tabsetQueryHelpers.TabIndex, dummy); end; // Move focus to relevant controls in order for them to receive keyboard events. if PageControlMain.ActivePage = tabDatabase then ListTables.SetFocus; if PageControlMain.ActivePage = tabTable then ListColumns.SetFocus; if PageControlMain.ActivePage = tabData then gridData.SetFocus; // Ensure controls are in a valid state ValidateControls; // Show processlist if it's visible now but empty yet if ListProcesses.Items.Count = 0 then ShowProcessList( self ); end; {*** Ensures that we're connected to the currently selected database. } procedure TMDIChild.EnsureActiveDatabase; begin // Blank = current database undefined if ActualDatabase = '' then Exit; if (FMysqlConn.Connection.Database <> ActualDatabase) or UserQueryFired then begin FMysqlConn.Connection.Database := ActualDatabase; ExecUseQuery(ActualDatabase, false, false); UserQueryFired := false; end; end; {*** Look for list of tables for current database in cache. Retrieve from server if necessary. @return TDataSet The cached list of tables for the active database. } function TMDIChild.FetchActiveDbTableList: TDataSet; var ds: TDataSet; OldCursor: TCursor; begin if CachedTableLists.IndexOf(ActualDatabase) = -1 then begin // Not in cache, load table list. OldCursor := Screen.Cursor; Screen.Cursor := crHourGlass; MainForm.ShowStatus('Displaying tables from ' + ActualDatabase + '...', 2, true); if mysql_version >= 32300 then begin ds := GetResults('SHOW TABLE STATUS', false, false); end else begin // contains table names, nothing else. ds := GetResults('SHOW TABLES', false, false); // could clean up data (rename first column to 'Name') and // and add row counters to data set as a new field by using // SELECT COUNT(*), but that would potentially be rather slow. end; CachedTableLists.AddObject(ActualDatabase, ds); Screen.Cursor := OldCursor; end; Result := TDataSet(CachedTableLists.Objects[CachedTableLists.IndexOf(ActualDatabase)]); Result.First; end; {*** Nukes cached table list for active database, then refreshes it. @return TDataSet The newly cached list of tables for the active database. } function TMDIChild.RefreshActiveDbTableList: TDataSet; var idx: Integer; o: TObject; begin idx := CachedTableLists.IndexOf(ActualDatabase); if idx > -1 then begin o := CachedTableLists.Objects[idx]; FreeAndNil(o); CachedTableLists.Delete(idx); end; Result := FetchActiveDbTableList; end; {*** Nukes the table list cache. } procedure TMDIChild.ClearAllTableLists; var idx: Integer; o: TObject; begin for idx := 0 to CachedTableLists.Count - 1 do begin o := CachedTableLists.Objects[idx]; FreeAndNil(o); end; CachedTableLists.Clear; end; {*** Updates tree with table list for currently selected database (or table). } procedure TMDIChild.UpdateTreeTableList; var tndb : TTreenode; ds: TDataSet; t, u: Integer; begin if DBTree.Selected.Level = 1 then tndb := DBTree.Selected else if DBTree.Selected.Level = 2 then tndb := DBTree.Selected.Parent else exit; // get all tables back into dbtree for u:=tndb.Count-1 downto 0 do tndb.Item[u].delete; ds := FetchActiveDbTableList; for t:=0 to ds.RecordCount-1 do begin with DBtree.Items.AddChild(tndb, ds.Fields[0].AsString) do begin ImageIndex := 39; selectedIndex := 40; end; ds.Next; end; end; { Show tables and their properties on the tabsheet "Database" } procedure TMDIChild.ShowDBProperties(Sender: TObject); var n : TListItem; i,j,k : Integer; bytes : Extended; menuitem : TMenuItem; TablelistColumns: TStringList; column : TListColumn; ds : TDataSet; begin // DB-Properties Screen.Cursor := crHourGlass; MainForm.ShowStatus( 'Reading from database ' + ActualDatabase + '...', 2, true ); Mainform.ButtonDropDatabase.Hint := 'Drop Database...|Drop Database ' + ActualDatabase + '...'; // Refresh chosen in table list? if sender = menurefresh then RefreshActiveDbTableList; // Populate database subitems (= tables) in tree. UpdateTreeTableList; ds := FetchActiveDbTableList; try // Generate items for popupDbGridHeader for i:=popupDbGridHeader.Items.Count-1 downto 2 do popupDbGridHeader.Items.Delete( i ); with TRegistry.Create do begin openkey( REGPATH + '\Servers\' + FConn.Description, true ); if ValueExists( 'TablelistDefaultColumns' ) then popupDbGridHeader.Items[0].Checked := ReadBool( 'TablelistDefaultColumns' ); if ValueExists( 'TablelistColumns' ) then TablelistColumns := Explode( ',', ReadString( 'TablelistColumns' ) ) else TablelistColumns := TStringList.Create; free; end; for i:=0 to ds.FieldCount-1 do begin menuitem := TMenuItem.Create( self ); menuitem.Caption := ds.Fields[i].Fieldname; menuitem.Tag := 2; menuitem.OnClick := MenuTablelistColumnsClick; if i=0 then begin menuitem.Enabled := false; // tablename should always be kept menuitem.Checked := true; end else if TablelistColumns.Count > 0 then begin menuitem.Checked := TablelistColumns.IndexOf( menuitem.Caption ) > -1; end; popupDbGridHeader.Items.Add( menuitem ); end; ListTables.Items.BeginUpdate; ListTables.Items.Clear; ListTables.Columns.BeginUpdate; ListTables.Columns.Clear; column := ListTables.Columns.Add; column.Caption := 'Table'; column.Width := -1; if popupDbGridHeader.Items[0].Checked then begin // Default columns - initialize column headers column := ListTables.Columns.Add; column.Caption := 'Records'; column.Alignment := taRightJustify; column.Width := 80; column := ListTables.Columns.Add; column.Caption := 'Size'; column.Alignment := taRightJustify; column.Width := -1; column := ListTables.Columns.Add; column.Caption := 'Created'; column.Width := -1; column := ListTables.Columns.Add; column.Caption := 'Updated'; column.Width := -1; column := ListTables.Columns.Add; column.Caption := 'Engine'; column.Width := -1; column := ListTables.Columns.Add; column.Caption := 'Comment'; column.Width := -1; end; for i:=0 to TablelistColumns.Count-1 do begin column := ListTables.Columns.Add; column.Caption := TablelistColumns[i]; column.Width := -1; column.MinWidth := 50; column.Autosize := true; end; for i := 1 to ds.RecordCount do begin n := ListTables.Items.Add; n.ImageIndex := 39; // Table n.Caption := ds.Fields[0].AsString; if (mysql_version >= 32300) and popupDbGridHeader.Items[0].Checked then begin // Default columns // Records n.SubItems.Add( FormatNumber( ds.FieldByName('Rows').AsFloat ) ); // Size: Data_length + Index_length bytes := ds.FieldByName('Data_length').AsFloat + ds.FieldByName('Index_length').AsFloat; n.SubItems.Add( FormatNumber( bytes / 1024 + 1 ) + ' KB'); // Created: if not ds.FieldByName('Create_time').IsNull then n.SubItems.Add( ds.FieldByName('Create_time').AsString ) else n.SubItems.Add('N/A'); // Updated: if not ds.FieldByName('Update_time').IsNull then n.SubItems.Add( ds.FieldByName('Update_time').AsString ) else n.SubItems.Add('N/A'); // Type if ds.FindField('Type')<>nil then n.SubItems.Add( ds.FieldByName('Type').AsString ) else if ds.FindField('Engine')<>nil then n.SubItems.Add( ds.FieldByName('Engine').AsString ) else n.SubItems.Add(''); // Comment n.SubItems.Add( ds.FieldByName('Comment').AsString ); end; for j:=0 to TablelistColumns.Count-1 do begin for k:=0 to ds.FieldCount-1 do begin if TablelistColumns[j] = ds.Fields[k].FieldName then begin if ds.Fields[k].DataType in [ftInteger, ftSmallint, ftWord, ftFloat, ftWord ] then begin // Number // TODO: doesn't match any column ListTables.Columns[n.SubItems.Count].Alignment := taRightJustify; n.SubItems.Add( FormatNumber( ds.Fields[k].AsFloat ) ); end else // String n.SubItems.Add( ds.Fields[k].AsString ); end; end; end; ds.Next; end; mainform.showstatus(ActualDatabase + ': ' + IntToStr(ds.RecordCount) +' table(s)'); finally ListTables.Columns.EndUpdate; ListTables.Items.EndUpdate; // Remove existing column-sort-images // (TODO: auomatically invoke this method in TSortListView itself) ListTables.ClearSortColumnImages; Screen.Cursor := crDefault; end; Screen.Cursor := crHourglass; pnlDatabaseTop.Caption := 'Database ' + ActualDatabase + ': ' + IntToStr(ListTables.Items.Count) + ' table(s)'; MainForm.ShowStatus( STATUS_MSG_READY, 2 ); Screen.Cursor := crDefault; end; { Show columns of selected table, indicate indexed columns by certain icons } procedure TMDIChild.ShowTableProperties(Sender: TObject); var i,j : Integer; n : TListItem; tn, tndb : TTreeNode; isFulltext : Boolean; ds : TDataSet; dummy: Boolean; begin // Table-Properties Screen.Cursor := crHourGlass; if (not DBTree.Dragging) and ( (PageControlMain.ActivePage = tabHost) or (PageControlMain.ActivePage = tabDatabase) ) then PageControlMain.ActivePage := tabTable; tabDatabase.TabVisible := true; tabTable.TabVisible := true; tabData.TabVisible := true; pnlTableTop.Caption := 'Table-Properties for ' + ActualDatabase + ': ' + ActualTable; // set current node in DBTree to ActualTable: with DBTree do begin if Selected.Level = 1 then tndb := Selected else if Selected.Level = 2 then tndb := Selected.Parent else if Selected.Level = 3 then tndb := Selected.Parent.Parent else exit; end; tn := tndb.getFirstChild; for i:=0 to tndb.Count -1 do begin if ActualTable = tn.Text then begin DBTree.Selected := tn; // select table break; end; tn := tndb.GetNextChild(tn); end; // and the other way around: set current listitem in tableslist to ActualTable: for i:=0 to ListTables.items.Count -1 do begin // ListTables.Items[i].Selected := (ActualTable = ListTables.Items[i].Caption); // ListTablesOnChange will be called by this line end; MainForm.ShowStatus( 'Reading table properties...', 2, true ); ListColumns.Items.BeginUpdate; ListColumns.Items.Clear; Try ds := GetResults( 'SHOW COLUMNS FROM ' + mask(ActualTable), false ); for i:=1 to ds.RecordCount do begin n := ListColumns.Items.Add; n.ImageIndex := 62; n.Caption := ds.FieldByName('Field').AsString; n.Subitems.Add( ds.FieldByName('Type').AsString ); if lowercase( ds.FieldByName('Null').AsString ) = 'yes' then n.Subitems.Add('Yes') else n.Subitems.Add('No'); n.Subitems.Add( ds.FieldByName('Default').AsString ); n.Subitems.Add( ds.FieldByName('Extra').AsString ); ds.Next; end; // Manually invoke OnChange event of tabset to fill helper list with data if tabsetQueryHelpers.TabIndex = 0 then tabsetQueryHelpers.OnChange( Sender, tabsetQueryHelpers.TabIndex, dummy); {* TODO: Create drag-drop box next to query window with these columns. // add fields to dbtree for drag'n dropping purpose if not DBTree.Selected.HasChildren then begin ds.First; for i:=1 to ds.RecordCount do begin tn := DBtree.Items.AddChild(Dbtree.Selected, ds.FieldByName('Field').AsString ); if ds.FieldByName('Key').AsString = 'PRI' then tn.ImageIndex := 26 else tn.ImageIndex := 62; tn.SelectedIndex := tn.ImageIndex; ds.Next; end; end; *} Screen.Cursor := crHourglass; ds := GetResults( 'SHOW KEYS FROM ' + mask(ActualTable) ); for i:=1 to ds.RecordCount do begin // primary key if ds.FieldByName('Key_name').AsString = 'PRIMARY' then begin for j:=0 to ListColumns.Items.Count-1 do begin if ds.FieldByName('Column_name').AsString = ListColumns.Items[j].Caption then begin ListColumns.Items[j].ImageIndex := 26; break; end; end; end; // index if (ds.FieldByName('Key_name').AsString <> 'PRIMARY') and (ds.FieldByName('Non_unique').AsString = '1') then begin for j:=0 to ListColumns.Items.Count-1 do begin if ds.FieldByName('Column_name').AsString = ListColumns.Items[j].Caption then begin if ListColumns.Items[j].ImageIndex = 62 then // Only apply if it's the default image ListColumns.Items[j].ImageIndex := 63; break; end; end; end; // unique if (ds.FieldByName('Key_name').AsString <> 'PRIMARY') and (ds.FieldByName('Non_unique').AsString = '0') then begin for j:=0 to ListColumns.Items.Count-1 do begin if ds.FieldByName('Column_name').AsString = ListColumns.Items[j].Caption then begin if ListColumns.Items[j].ImageIndex = 62 then // Only apply if it's the default image ListColumns.Items[j].ImageIndex := 64; break; end; end; end; // column is part of a fulltext key, available since 3.23.xx if mysql_version < 40002 then isFulltext := (ds.FieldByName('Comment').AsString = 'FULLTEXT') else isFulltext := (ds.FieldByName('Index_type').AsString = 'FULLTEXT'); if (ds.FieldByName('Key_name').AsString <> 'PRIMARY') and isFulltext then begin for j:=0 to ListColumns.Items.Count-1 do begin if ds.FieldByName('Column_name').AsString = ListColumns.Items[j].Caption then begin if ListColumns.Items[j].ImageIndex = 62 then // Only apply if it's the default image ListColumns.Items[j].ImageIndex := 65; break; end; end; end; ds.Next; end; finally ListColumns.Items.EndUpdate; // Remove existing column-sort-images // (TODO: auomatically invoke this method in TSortListView itself) ListColumns.ClearSortColumnImages; Screen.Cursor := crDefault; end; MainForm.ShowStatus( STATUS_MSG_READY, 2, false ); MainForm.showstatus(ActualDatabase + ': '+ ActualTable + ': ' + IntToStr(ListColumns.Items.count) +' field(s)'); Screen.Cursor := crDefault; end; {*** Execute a query and return a resultset The currently active connection is used @param String The single SQL-query to be executed on the server } function TMDIChild.ExecuteQuery(query: String): TDataSet; begin result := GetResults(query, false, false); end; {*** Execute a query without returning a resultset The currently active connection is used @param String The single SQL-query to be executed on the server } procedure TMDIChild.ExecuteNonQuery(SQLQuery: String); begin ExecUpdateQuery(SQLQuery); end; {*** Selection in ListTables is changing Used to change the iconindex of selected items and to trigger ValidateControls } procedure TMDIChild.ListTablesSelectItem(Sender: TObject; Item: TListItem; Selected: Boolean); var i: Integer; begin for i := 0 to ListTables.Items.Count - 1 do ListTables.Items[i].ImageIndex := 39; if (ListTables.Selected <> nil) then ListTables.Selected.ImageIndex := 40; ValidateControls; end; {*** Enable/disable various buttons and menu items. Invoked when - active sheet changes - highlighted database changes - ChildWindow is activated / deactivated @param Boolean Is this form activated in terms of our remaining MDI-functionality? Only used with False by FormDeactivate-procedure to deactivate various controls on mainform } procedure TMDIChild.ValidateControls( FrmIsFocussed: Boolean = true ); var tableSelected : Boolean; inDataOrQueryTab, inDataOrQueryTabNotEmpty : Boolean; begin // Make sure that main menu "drop table" affects table selected in tree view, // not table (now invisibly) selected on the database grid. if (PageControlMain.ActivePage <> tabDatabase) then ListTables.Selected := nil; tableSelected := (ListTables.Selected <> nil) and FrmIsFocussed; btnDbProperties.Enabled := tableSelected; menuproperties.Enabled := tableSelected; btnDbInsertRecord.Enabled := tableSelected; menuinsert.Enabled := tableSelected; btnDbViewData.Enabled := tableSelected; menuviewdata.Enabled := tableSelected; btnDbEmptyTable.Enabled := tableSelected; menuemptytable.Enabled := tableSelected; MenuAdvancedProperties.Enabled := tableSelected; MenuRenameTable.Enabled := tableSelected; MenuChangeType1.Enabled := tableSelected; MenuChangeType2.Enabled := tableSelected; MenuChangeType3.Enabled := tableSelected; MenuChangeType4.Enabled := tableSelected; MenuChangeType5.Enabled := tableSelected; MenuChangeTypeOther.Enabled := tableSelected; Mainform.CopyTable.Enabled := tableSelected; MenuTableComment.Enabled := tableSelected; MenuOptimize.Enabled := tableSelected; MenuCheck.Enabled := tableSelected; MenuAnalyze.Enabled := tableSelected; MenuRepair.Enabled := tableSelected; MainForm.ButtonDropDatabase.Enabled := (ActualDatabase <> '') and FrmIsFocussed; MainForm.DropTable.Enabled := tableSelected or ((PageControlMain.ActivePage <> tabDatabase) and (ActualTable <> '') and FrmIsFocussed); MainForm.ButtonCreateTable.Enabled := (ActualDatabase <> '') and FrmIsFocussed; MainForm.ButtonImportTextFile.Enabled := (mysql_version >= 32206) and FrmIsFocussed; MainForm.MenuImportTextFile.Enabled := MainForm.ButtonImportTextFile.Enabled; with MainForm do begin ButtonRefresh.Enabled := FrmIsFocussed; ButtonReload.Enabled := FrmIsFocussed; ExportTables.Enabled := FrmIsFocussed; ButtonImportTextfile.Enabled := FrmIsFocussed; ButtonCreateTable.Enabled := FrmIsFocussed; ButtonCreateDatabase.Enabled := FrmIsFocussed; ButtonDropDatabase.Enabled := false; MenuRefresh.Enabled := FrmIsFocussed; MenuExport.Enabled := FrmIsFocussed; MenuImportTextFile.Enabled := FrmIsFocussed; MenuCreateTable.Enabled := FrmIsFocussed; MenuCreateDatabase.Enabled := FrmIsFocussed; MenuDropDatabase.Enabled := FrmIsFocussed; DropTable.Enabled := FrmIsFocussed; LoadSQL.Enabled := FrmIsFocussed; MenuFlushHosts.Enabled := FrmIsFocussed; MenuFlushLogs.Enabled := FrmIsFocussed; FlushUserPrivileges1.Enabled := FrmIsFocussed; MenuFlushTables.Enabled := FrmIsFocussed; MenuFlushTableswithreadlock.Enabled := FrmIsFocussed; MenuFlushStatus.Enabled := FrmIsFocussed; UserManager.Enabled := FrmIsFocussed; Diagnostics.Enabled := FrmIsFocussed; InsertFiles.Enabled := FrmIsFocussed; {*** Activate export-options if we're on Data- or Query-tab PrintList should only be active if we're focussing one of the ListViews, at least as long we are not able to print DBGrids @see Issue 1686582 } inDataOrQueryTab := FrmIsFocussed and ((PageControlMain.ActivePage = tabData) or (PageControlMain.ActivePage = tabQuery)); PrintList.Enabled := (not inDataOrQueryTab) and FrmIsFocussed; {*** @note ansgarbecker, 2007-31-03 1. For data-tab-queries (threaded queries) the TDatasource does *not* have an linked TDataset/TZquery in case of a SQL-error. To avoid an AV with NIL-reference we have to first check if the Dataset is existant - if not, assume the datagrid is empty. 2. For query-tab-queries (not threaded) the TZQuery is linked to the TDatasource and we can safely ask for TDataset.IsEmpty without causing a NIL-reference. @todo use the same threaded process for both datagrid and query-grid } inDataOrQueryTabNotEmpty := inDataOrQueryTab and not ( (getActiveGrid.DataSource.DataSet = nil) or getActiveGrid.DataSource.DataSet.IsEmpty ); Copy2CSV.Enabled := inDataOrQueryTabNotEmpty; CopyHTMLtable.Enabled := inDataOrQueryTabNotEmpty; Copy2XML.Enabled := inDataOrQueryTabNotEmpty; ExportData.Enabled := inDataOrQueryTabNotEmpty; HTMLView.Enabled := inDataOrQueryTabNotEmpty; Self.Delete1.Enabled := inDataOrQueryTabNotEmpty; // Menuitem in popupDataGrid ("Delete record(s)") ToolBarData.visible := (PageControlMain.ActivePage = tabData); if FrmIsFocussed then DBNavigator1.DataSource := DataSource1; btnSQLHelp.Enabled := (mysql_version >= 40100) and FrmIsFocussed; menuSQLHelp.Enabled := btnSQLHelp.Enabled and FrmIsFocussed; if not FrmIsFocussed then begin MainForm.showstatus('', 1); // empty connected_time end; tabBlobEditor.tabVisible := inDataOrQueryTab; end; end; procedure TMDIChild.ShowTableData(table: string); begin SelectTable(ActualDatabase, table, false); PageControlMain.ActivePage := tabData; viewdata(self); end; procedure TMDIChild.ShowTable(Sender: TObject); var i : Integer; tn, tndb : TTreeNode; begin if DBTree.Selected.Level = 1 then tndb := DBTree.Selected else if DBTree.Selected.Level = 2 then tndb := DBTree.Selected.Parent else exit; tn := tndb.getFirstChild; for i:=0 to tndb.Count -1 do begin if ListTables.Selected.Caption = tn.Text then begin DBTree.Selected := tn; ShowTableData(tn.Text); break; end; tn := tndb.GetNextChild(tn); end; end; procedure TMDIChild.EmptyTable(Sender: TObject); var t : TStringList; i : Integer; begin // Empty Table(s) if ListTables.SelCount = 0 then exit; t := TStringlist.Create; with ListTables do for i:=0 to Items.count-1 do if Items[i].Selected then t.add(Items[i].Caption); if MessageDlg('Empty ' + IntToStr(t.count) + ' Table(s) ?' + crlf + '(' + implodestr(', ', t) + ')', mtConfirmation, [mbok,mbcancel], 0) <> mrok then exit; Screen.Cursor := crSQLWait; for i:=0 to t.count-1 do ExecUpdateQuery( 'DELETE FROM ' + mask(t[i]) ); ShowDBProperties(self); Screen.Cursor := crDefault; end; procedure TMDIChild.DropDB(Sender: TObject); var tndb_ : TTreeNode; begin // Drop DB. tndb_ := nil; if (Sender as TComponent).Name = 'PopupmenuDropDatabase' then // drop cmd from popupmenu tndb_ := DBRightClickSelectedItem else case DBTree.Selected.Level of // drop cmd from toolbar 1 : tndb_ := DBTree.Selected; 2 : tndb_ := DBTree.Selected.Parent; 3 : tndb_ := DBTree.Selected.Parent.Parent; end; if tndb_ = nil then raise Exception.Create('Internal error: Cannot drop NIL database.'); if MessageDlg('Drop Database "'+tndb_.Text+'"?' + crlf + crlf + 'WARNING: You will lose all tables in database '+tndb_.Text+'!', mtConfirmation, [mbok,mbcancel], 0) <> mrok then abort; Screen.Cursor := crSQLWait; try ExecUpdateQuery( 'DROP DATABASE ' + mask(tndb_.Text) ); if OnlyDBs.Count > 0 then begin if OnlyDBs.IndexOf(tndb_.Text) > -1 then begin OnlyDBs.Delete( OnlyDBs.IndexOf(tndb_.Text) ); with TRegistry.Create do begin if OpenKey(REGPATH + '\Servers\' + FConn.Description, false) then begin WriteString( 'OnlyDBs', ImplodeStr( ';', OnlyDBs ) ); CloseKey; end; end; end; end; tndb_.Delete; except MessageDLG('Dropping failed.'+crlf+'Maybe '''+tndb_.Text+''' is not a valid database-name.', mtError, [mbOK], 0) end; Screen.Cursor := crDefault; end; procedure TMDIChild.ShowVariablesAndProcesses(Sender: TObject); procedure addLVitem( caption: String; commandCount: Int64; totalCount: Int64 ); var n : TListItem; tmpval : Double; begin n := ListCommandStats.Items.Add; n.ImageIndex := 86; caption := Copy( caption, 5, Length(caption) ); caption := StringReplace( caption, '_', ' ', [rfReplaceAll] ); n.Caption := caption; // Total Frequency n.Subitems.Add( FormatNumber( commandCount ) ); // Average per hour uptime := max(uptime, 1); tmpval := commandCount / ( uptime / 60 / 60 ); n.Subitems.Add( FormatNumber( tmpval, 1 ) ); // Average per second tmpval := commandCount / uptime; n.Subitems.Add( FormatNumber( tmpval, 1 ) ); // Percentage. Take care of division by zero errors and Int64's if commandCount < 1 then commandCount := 1; if totalCount < 1 then totalCount := 1; tmpval := 100 / totalCount * commandCount; n.Subitems.Add( FormatNumber( tmpval, 1 ) + ' %' ); end; var i : Integer; n : TListItem; questions : Int64; ds : TDataSet; begin // Refresh variables and process-list Screen.Cursor := crSQLWait; // VARIABLES ListVariables.Items.BeginUpdate; ListVariables.Items.Clear; ds := GetResults( 'SHOW VARIABLES', false ); for i:=1 to ds.RecordCount do begin n := ListVariables.Items.Add; n.ImageIndex := 87; n.Caption := ds.Fields[0].AsString; n.Subitems.Add( ds.Fields[1].AsString ); ds.Next; end; // STATUS uptime := 1; // avoids division by zero :) questions := 1; ds := GetResults( 'SHOW /*!50002 GLOBAL */ STATUS' ); for i:=1 to ds.RecordCount do begin if LowerCase( Copy( ds.Fields[0].AsString, 1, 4 ) ) <> 'com_' then begin n := ListVariables.Items.Add; n.ImageIndex := 87; n.Caption := ds.Fields[0].AsString; n.Subitems.Add( ds.Fields[1].AsString ); if lowercase( ds.Fields[0].AsString ) = 'uptime' then uptime := MakeInt(ds.Fields[1].AsString); if lowercase( ds.Fields[0].AsString ) = 'questions' then questions := MakeInt(ds.Fields[1].AsString); end; ds.Next; end; // Remove existing column-sort-images // (TODO: auomatically invoke this method in TSortListView itself) ListVariables.ClearSortColumnImages; // Command-Statistics ListCommandStats.Items.BeginUpdate; ListCommandStats.Items.Clear; addLVitem( ' All commands', questions, questions ); ds.First; for i:=1 to ds.RecordCount do begin if LowerCase( Copy( ds.Fields[0].AsString, 1, 4 ) ) = 'com_' then begin addLVitem( ds.Fields[0].AsString, MakeInt(ds.Fields[1].AsString), questions ); end; ds.Next; end; ListCommandStats.Items.EndUpdate; // Sort 2nd column descending ListCommandStats.ColClick( ListCommandStats.Columns[1] ); ListCommandStats.ColClick( ListCommandStats.Columns[1] ); TimerHostUptime.Enabled := true; TimerHostUptimeTimer(self); TimerHostUptime.OnTimer := TimerHostUptimeTimer; ListVariables.Items.EndUpdate; tabVariables.Caption := 'Variables (' + IntToStr(ListVariables.Items.Count) + ')'; Screen.Cursor := crDefault; ShowProcesslist(self); // look at next procedure end; procedure TMDIChild.ShowProcessList(sender: TObject); var i,j : Integer; n : TListItem; ds : TDataSet; begin // No need to update if it's not visible. if PageControlMain.ActivePage <> tabHost then exit; if PageControlHost.ActivePage <> tabProcesslist then exit; Screen.Cursor := crSQLWait; try ListProcesses.Items.BeginUpdate; ListProcesses.Items.Clear; debug('ShowProcessList()'); ds := GetResults('SHOW FULL PROCESSLIST', false, false); for i:=1 to ds.RecordCount do begin n := ListProcesses.Items.Add; n.Caption := ds.Fields[0].AsString; if CompareText( ds.Fields[4].AsString, 'Killed') = 0 then n.ImageIndex := 83 // killed else n.ImageIndex := 82; // running for j := 1 to 7 do n.Subitems.Add(ds.Fields[j].AsString); ds.Next; end; ds.Close; ListProcesses.Items.EndUpdate; // Remove existing column-sort-images // (TODO: auomatically invoke this method in TSortListView itself) ListProcesses.ClearSortColumnImages; tabProcessList.Caption := 'Process-List (' + IntToStr(ListProcesses.Items.Count) + ')'; except on E: Exception do begin LogSQL('Error loading process list (automatic refresh disabled): ' + e.Message); TimerProcesslist.Enabled := false; end; end; ListProcesses.Items.EndUpdate; Screen.Cursor := crDefault; end; procedure TMDIChild.ListProcessesSelectItem(Sender: TObject; Item: TListItem; Selected: Boolean); begin Kill1.Enabled := (ListProcesses.Selected <> nil) and (PageControlHost.ActivePage = tabProcessList); end; procedure TMDIChild.KillProcess(Sender: TObject); var t : Boolean; begin if ListProcesses.Selected.Caption = IntToStr( MySQLConn.Connection.GetThreadId ) then MessageDlg('Fatal: Better not kill my own Process...', mtError, [mbok], 0) else begin t := TimerProcessList.Enabled; TimerProcessList.Enabled := false; // prevent av (ListProcesses.selected...) if MessageDlg('Kill Process '+ListProcesses.Selected.Caption+'?', mtConfirmation, [mbok,mbcancel], 0) = mrok then begin ExecUpdateQuery( 'KILL '+ListProcesses.Selected.Caption ); ShowVariablesAndProcesses(self); end; TimerProcessList.Enabled := t; // re-enable autorefresh timer end; end; procedure TMDIChild.PageControlHostChange(Sender: TObject); begin // Show processlist if it's visible now but empty yet if ListProcesses.Items.Count = 0 then ShowProcessList( self ); ListProcessesSelectItem(self, nil, False); end; procedure TMDIChild.ExecSQLClick(Sender: TObject; Selection: Boolean=false; CurrentLine: Boolean=false); var SQL : TStringList; i : Integer; rowsaffected : Integer; SQLstart : Integer; SQLend : Integer; SQLscriptstart : Integer; SQLscriptend : Integer; SQLTime : Double; fieldcount : Integer; recordcount : Integer; ds : TDataSet; term : String; prevDb : String; begin if ( btnAltTerminator.Down ) then begin term := '//'; end else begin term := ';'; end; if ( CurrentLine ) then begin // Run current line SQL := parseSQL( SynMemoQuery.LineText, term ); end else if ( Selection ) then begin // Run selection SQL := parseSQL( SynMemoQuery.SelText, term ); end else begin // Run all SQL := parseSQL( SynMemoQuery.Text, term ); end; if ( SQL.Count = 0 ) then begin LabelResultinfo.Caption := '(nothing to do)'; Exit; end; // Let EnsureActiveDatabase know that we're firing user queries. prevDb := ActualDatabase; ActualDatabase := EmptyStr; UserQueryFired := true; // Destroy old data set. ds := DataSource2.DataSet; DataSource2.DataSet := nil; FreeAndNil( ds ); // set db-aware-component's properties.. DBMemo1.DataField := EmptyStr; DBMemo1.DataSource := DataSource2; EDBImage1.DataField := EmptyStr; EDBImage1.DataSource := DataSource2; SQLscriptstart := GetTickCount(); LabelResultinfo.Caption := EmptyStr; ds := nil; try MainForm.showstatus( 'Initializing SQL...', 2, true ); Mainform.ExecuteQuery.Enabled := false; Mainform.ExecuteSelection.Enabled := false; if ( ActualDatabase <> EmptyStr ) then begin FMysqlConn.Connection.Database := ActualDatabase; end; rowsaffected := 0; fieldcount := 0; recordcount := 0; ProgressBarQuery.Max := SQL.Count; ProgressBarQuery.Position := 0; ProgressBarQuery.Show(); MainForm.showstatus( 'Executing SQL...', 2, true ); for i := 0 to (SQL.Count - 1) do begin ProgressBarQuery.StepIt(); ProgressBarQuery.Repaint; if ( sql[i] = EmptyStr ) then begin continue; end; // open last query with data-aware: LabelResultinfo.Caption := EmptyStr; // ok, let's rock SQLstart := GetTickCount(); try if ( ExpectResultSet( SQL[i] ) ) then begin ds := GetResults( SQL[i], false, false ); gridQuery.DataSource.DataSet := ds; if ( ds <> nil ) then begin fieldcount := ds.Fieldcount; recordcount := ds.Recordcount; end else begin fieldcount := 0; recordcount := 0; end; rowsaffected := rowsaffected + TZQuery(ds).RowsAffected; end else begin rowsaffected := rowsaffected + ExecUpdateQuery( SQL[i], false, false ); fieldcount := 0; recordcount := 0; end; except on E:Exception do begin if ( ( btnQueryStopOnErrors.Down ) or ( i = (SQL.Count - 1) ) ) then begin Screen.Cursor := crDefault; MessageDlg( E.Message, mtError, [mbOK], 0 ); ProgressBarQuery.Hide(); Mainform.ExecuteQuery.Enabled := true; Mainform.ExecuteSelection.Enabled := true; Break; end; end; end; SQLend := GetTickCount(); SQLTime := (SQLend - SQLstart) / 1000; LabelResultinfo.Caption := FormatNumber( rowsaffected ) +' row(s) affected, '+ FormatNumber( fieldcount ) +' field(s) / '+ FormatNumber( recordcount ) +' record(s) in last result set.'; if ( SQL.Count = 1 ) then begin LabelResultinfo.Caption := LabelResultinfo.Caption + ' Query time: '+ FormatNumber( SQLTime, 3) +' sec.'; end; end; ProgressBarQuery.Hide(); Mainform.ExecuteQuery.Enabled := true; Mainform.ExecuteSelection.Enabled := true; // count chars: SynMemoQuery.OnChange( Self ); if ( SQL.Count > 1 ) then begin SQLscriptend := GetTickCount(); SQLTime := (SQLscriptend - SQLscriptstart) / 1000; LabelResultinfo.Caption := LabelResultinfo.Caption +' Batch time: '+ FormatNumber( SQLTime, 3 ) +' sec.'; end; finally // Avoid excessive GridHighlightChanged() when flicking controls. viewingdata := true; if ( ds <> nil ) then begin // Re-link to datasource DataSource2.DataSet := ds; // Flick controls so that column resizing will work (?) TZQuery(ds).EnableControls(); TZQuery(ds).DisableControls(); // resize all columns, if they are more wide than Mainform.DefaultColWidth if ( Mainform.DefaultColWidth <> 0 ) then begin for i:=0 to gridQuery.Columns.count-1 do begin if ( gridQuery.Columns[i].Width > Mainform.DefaultColWidth ) then begin gridQuery.Columns[i].Width := Mainform.DefaultColWidth; end; end; end; end else begin // Avoid AV for mousewheel-scrolling in empty datagrid DataSource2.DataSet := nil; end; // Ensure controls are in a valid state ValidateControls(); viewingdata := false; ActualDatabase := prevDb; if ( ds <> nil ) then begin TZQuery(ds).EnableControls(); end; Screen.Cursor := crDefault; MainForm.ShowStatus( STATUS_MSG_READY, 2 ); end; end; procedure TMDIChild.ListColumnsSelectItem(Sender: TObject; Item: TListItem; Selected: Boolean); begin // Clicked somewhere in the field-list of the "Table"-tabsheet // some columns selected ? if ListColumns.Selected <> nil then with ListColumns.Selected do begin btnTableDropField.Enabled := True; DropField1.Enabled := True; MenuEditField.Enabled := true; btnTableEditField.enabled := true; end else begin btnTableDropField.Enabled := False; DropField1.Enabled := false; MenuEditField.Enabled := false; btnTableEditField.enabled := false; end; end; procedure TMDIChild.DropField(Sender: TObject); var tn : TTreeNode; begin // Drop Column if ListColumns.Items.Count = 1 then begin if MessageDlg('Can''t drop the last Field - drop Table '+ActualTable+'?', mtConfirmation, [mbok,mbcancel], 0) = mrok then begin Screen.Cursor := crSQLWait; ExecUpdateQuery( 'DROP TABLE '+mask(ActualTable) ); tn := DBTree.Selected; DBTree.Selected := DBTree.Selected.Parent; tn.Destroy; RefreshActiveDbTableList; ShowDBProperties(self); Screen.Cursor := crDefault; end; end else if MessageDlg('Drop field ' + ListColumns.Selected.Caption + ' ?', mtConfirmation, [mbok,mbcancel], 0) = mrok then begin ExecUpdateQuery( 'ALTER TABLE '+mask(ActualTable)+' DROP '+mask(ListColumns.Selected.Caption) ); ShowTableProperties(self); end; end; { Proposal about to insert a String into synmemo } procedure TMDIChild.SynCompletionProposal1CodeCompletion(Sender: TObject; var Value: String; Shift: TShiftState; Index: Integer; EndToken: Char); begin SynCompletionProposal1.Editor.UndoList.AddGroupBreak; end; procedure TMDIChild.SynCompletionProposal1AfterCodeCompletion(Sender: TObject; const Value: String; Shift: TShiftState; Index: Integer; EndToken: Char); begin SynCompletionProposal1.Editor.UndoList.AddGroupBreak; end; { Proposal-Combobox pops up } procedure TMDIChild.SynCompletionProposal1Execute(Kind: TSynCompletionType; Sender: TObject; var CurrentInput: String; var x, y: Integer; var CanExecute: Boolean); var i,j,c,t : Integer; tn, child : TTreeNode; sql, tmpsql, kw : String; keywords, tables : TStringList; tablename : String; procedure addTable( name: String ); begin SynCompletionProposal1.InsertList.Add( name ); SynCompletionProposal1.ItemList.Add( '\hspace{2}\color{'+ColorToString(SynSQLSyn1.TableNameAttri.Foreground)+'}table\color{clWindowText}\column{}' + name ); end; procedure addColumns( tablename: String ); var dbname : String; i : Integer; ds : TDataSet; begin dbname := ActualDatabase; if Pos( '.', tablename ) > -1 then begin dbname := Copy( tablename, 0, Pos( '.', tablename )-1 ); tablename := Copy( tablename, Pos( '.', tablename )+1, Length(tablename) ); end; tablename := mask( tablename ); if dbname <> '' then tablename := mask( dbname ) + '.' + tablename; ds := getResults( 'SHOW COLUMNS FROM '+tablename, true, false ); if ds = nil then exit; for i:=0 to ds.RecordCount-1 do begin SynCompletionProposal1.InsertList.Add( ds.FieldByName( 'Field' ).AsString ); SynCompletionProposal1.ItemList.Add( '\hspace{2}\color{'+ColorToString(clTeal)+'}column\color{clWindowText}\column{}' + ds.FieldByName( 'Field' ).AsString + '\style{-B} ' + ds.FieldByName( 'Type' ).AsString ); ds.Next; end; end; begin SynCompletionProposal1.InsertList.Clear; SynCompletionProposal1.ItemList.Clear; // Get column-names into the proposal (Daniel's Top1-wish...) // when we write sql like "SELECT t.|col FROM table [AS] t" // This is at no means a perfect solution which catches all kind of // SQL statements. But for simple SQL it should work fine. // 1. find the currently edited sql-statement around the cursor position in synmemo j := Length(SynCompletionProposal1.Editor.Text); c := 1024; for i := SynCompletionProposal1.Editor.SelStart+1024 downto SynCompletionProposal1.Editor.SelStart-1024 do begin if i > j then continue; if i < 1 then begin c := SynCompletionProposal1.Editor.SelStart; break; end; sql := SynCompletionProposal1.Editor.Text[i] + sql; end; sql := StringReplace( sql, CRLF, ' ', [rfReplaceall] ); sql := StringReplace( sql, #10, ' ', [rfReplaceall] ); sql := StringReplace( sql, #13, ' ', [rfReplaceall] ); // 2. find the position of tablenames after the cursor-position (c) keywords := TStringList.Create; keywords.CommaText := 'FROM,INTO,UPDATE'; t := -1; for i := c to Length(sql) do // forward from cursor-position begin kw := Copy( sql, i, Pos( ' ', Copy( sql, i, Length(sql) ) )-1 ); if keywords.IndexOf( kw ) > -1 then begin t := i + Length( kw ); break; end; end; if t = -1 then begin for i := c downto 0 do // and backwards from cursor-position begin kw := Copy( sql, i, Pos( ' ', Copy( sql, i, Length(sql) ) )-1 ); if keywords.IndexOf( kw ) > -1 then begin t := i + Length( kw ); break; end; end; end; // 3. find tablenames and aliases, compare them with previous token tablename := ''; if t>-1 then begin tables := TStringList.Create; tables.CommaText := StringReplace( Copy( sql, t, Length(sql)), ' ', ',', [rfReplaceall] ); for i := 0 to tables.Count - 1 do begin if (UpperCase(tables[i]) = 'AS') and (i > 0) and (i '') then begin // add columns to proposal addColumns( tablename ); end else if SynCompletionProposal1.PreviousToken <> '' then begin // assuming that previoustoken itself is a table addColumns( SynCompletionProposal1.PreviousToken ); end; if Length(CurrentInput) = 0 then // makes only sense if the user has typed "database." begin if OnlyDBs2.IndexOf( SynCompletionProposal1.PreviousToken ) > -1 then begin // Only display tables from specified db Screen.Cursor := crHourGlass; for i:=0 to DBTree.Items.Count-1 do begin tn := DBTree.Items[i]; if tn.Text = SynCompletionProposal1.PreviousToken then begin child := tn.getFirstChild; for j:=0 to tn.Count-1 do begin addTable(child.Text); child := tn.getNextChild(child); end; end; end; Screen.Cursor := crDefault; end; end; if (SynCompletionProposal1.ItemList.count = 0) and (Length(CurrentInput)>0) then begin // Add databases SynCompletionProposal1.InsertList.AddStrings( OnlyDBs2 ); SynCompletionProposal1.ItemList.AddStrings( OnlyDBs2 ); for i:=0 to SynCompletionProposal1.ItemList.count-1 do SynCompletionProposal1.ItemList[i] := '\hspace{2}\color{'+ColorToString(SynSQLSyn1.TableNameAttri.Foreground)+'}database\color{clWindowText}\column{}' + SynCompletionProposal1.ItemList[i]; if ActualDatabase <> '' then begin // Add tables for i:=0 to ListTables.Items.Count-1 do begin addTable( ListTables.Items[i].Caption ); end; if Length(CurrentInput) = 0 then // assume that we have already a dbname in memo SynCompletionProposal1.Position := OnlyDBs2.Count; end; // Add functions for i := 0 to Length(MySQLFunctions) - 1 do begin // Don't display unsupported functions here if MySqlFunctions[i].Version > mysql_version then continue; SynCompletionProposal1.InsertList.Add( MySQLFunctions[i].Name + MySQLFunctions[i].Declaration ); SynCompletionProposal1.ItemList.Add( '\hspace{2}\color{'+ColorToString(SynSQLSyn1.FunctionAttri.Foreground)+'}function\color{clWindowText}\column{}' + MySQLFunctions[i].Name + '\style{-B}' + MySQLFunctions[i].Declaration ); end; // Add keywords for i := 0 to MYSQL_KEYWORDS.Count - 1 do begin SynCompletionProposal1.InsertList.Add( MYSQL_KEYWORDS[i] ); SynCompletionProposal1.ItemList.Add( '\hspace{2}\color{'+ColorToString(SynSQLSyn1.KeyAttri.Foreground)+'}keyword\color{clWindowText}\column{}'+MYSQL_KEYWORDS[i] ); end; end; end; procedure TMDIChild.SynMemoQueryChange(Sender: TObject); var somechars : Boolean; begin PanelCharsInQueryWindow.Caption := FormatByteNumber( SynMemoQuery.GetTextLen ); somechars := Length(SynMemoQuery.Text) > 0; Mainform.ExecuteQuery.Enabled := somechars; Mainform.ExecuteSelection.Enabled := SynMemoQuery.SelAvail; Mainform.ExecuteLine.Enabled := SynMemoQuery.LineText <> ''; btnQuerySave.Enabled := somechars; btnQuerySaveSnippet.Enabled := somechars; end; procedure TMDIChild.CreateTable(Sender: TObject); begin CreateTableWindow(Self); end; procedure TMDIChild.TimerHostUptimeTimer(Sender: TObject); var days, hours, minutes, seconds : Integer; msg: string; begin // Host-Uptime days:= uptime div (60*60*24); seconds := uptime mod (60*60*24); hours := seconds div (60*60); seconds := seconds mod (60*60); minutes := seconds div 60; seconds := seconds mod 60; inc(uptime); msg := Format('%d days, %.2d:%.2d:%.2d', [days,hours,minutes,seconds]); if TimerHostUptime.Enabled then msg := Format(strHostRunning, [msg]) else msg := Format(strHostNotRunning, [msg]); Panel4.Caption := msg; end; procedure TMDIChild.FormActivate(Sender: TObject); begin TimerConnected.OnTimer(self); ValidateControls; end; procedure TMDIChild.FormDeactivate(Sender: TObject); begin ValidateControls( False ); end; procedure TMDIChild.FormShow(Sender: TObject); begin { TODO : only load file when autoconnected ?? } if (paramstr(1) <> '') and Main.loadsqlfile then try // load sql-file from paramstr SynMemoQuery.Lines.LoadFromFile(paramstr(1)); Main.loadsqlfile := false; except MessageDLG('File could not be opened: ' + paramstr(1), mtError, [mbOK], 0); end; //TODO: //ds.DisableControls; FormResize( self ); end; { Edit field } procedure TMDIChild.UpdateField(Sender: TObject); var fn : String; fem : TFieldEditorMode; begin fn := ''; fem := femFieldAdd; if ListColumns.Selected<>nil then fn := ListColumns.Selected.Caption; if fn<>'' then fem := femFieldUpdate; FieldEditorWindow (Self,fem,fn); end; { Add new field } procedure TMDIChild.MenuAddFieldClick(Sender: TObject); begin FieldEditorWindow (Self,femFieldAdd); end; procedure TMDIChild.CreateDatabase(Sender: TObject); var dbname : String; begin // Create new Database: if InputQuery('Create new Database...', 'Database Name:', dbname) then begin Screen.Cursor := crSQLWait; Try ExecUpdateQuery( 'CREATE DATABASE ' + mask( dbname ) ); // Add DB to OnlyDBs-regkey if this is not empty if OnlyDBs.Count > 0 then begin OnlyDBs.Add( dbname ); with TRegistry.Create do begin if OpenKey(REGPATH + '\Servers\' + FConn.Description, false) then begin WriteString( 'OnlyDBs', ImplodeStr( ';', OnlyDBs ) ); CloseKey; end; end; end; ActualDatabase := dbname; ReadDatabasesAndTables(self); except MessageDLG('Creation failed.'+crlf+'Maybe '''+dbname+''' is not a valid database-name.', mtError, [mbOK], 0) end; Screen.Cursor := crDefault; end; end; procedure TMDIChild.MenuAdvancedPropertiesClick(Sender: TObject); begin tbl_properties_Window(self); end; {*** Rename table after checking the new name for invalid characters } procedure TMDIChild.ListTablesEdited(Sender: TObject; Item: TListItem; var S: String); var i : Integer; begin // Try to rename, on any error abort and don't rename ListItem try ensureValidIdentifier( S ); // rename table ExecUpdateQuery( 'ALTER TABLE ' + mask(Item.Caption) + ' RENAME ' + mask(S), False, False ); except On E : Exception do begin MessageDlg( E.Message, mtError, [mbOK], 0 ); abort; end; end; i := SynSQLSyn1.TableNames.IndexOf( Item.Caption ); if i > -1 then SynSQLSyn1.TableNames[i] := S; ActualTable := S; RefreshActiveDbTableList; end; procedure TMDIChild.MenuRenameTableClick(Sender: TObject); begin // menuitem for edit table-name ListTables.Selected.EditCaption; end; procedure TMDIChild.MenuViewBlobClick(Sender: TObject); begin PageControlBottom.ActivePage := tabBlobEditor; end; procedure TMDIChild.TimerConnectedTimer(Sender: TObject); begin if not TimerConnected.Enabled then begin MainForm.showstatus('Disconnected.', 1); exit; end; inc(time_connected); // calculate and display connection-time MainForm.showstatus( 'Connected: ' + FormatTimeNumber(time_connected), 1 ); end; procedure TMDIChild.Clear1Click(Sender: TObject); begin // clear if SynMemoFilter.Focused then SynMemoFilter.Lines.Clear else SynMemoQuery.Lines.Clear; end; procedure TMDIChild.MenuTableCommentClick(Sender: TObject); begin // table-comment tablecommentWindow(self); end; procedure TMDIChild.Clear2Click(Sender: TObject); begin // clear history-memo Screen.Cursor := crHourglass; SynMemoSQLLog.Lines.Clear; Screen.Cursor := crDefault; end; procedure TMDIChild.EditQuery1Click(Sender: TObject); begin // take query from history to query-tab SynMemoQuery.Text := SynMemoSQLLog.SelText; PageControlMain.ActivePage := tabQuery; pcChange(self); end; procedure TMDIChild.ManageIndexes1Click(Sender: TObject); begin FieldEditorWindow (Self,femIndexEditor); end; procedure TMDIChild.Markall3Click(Sender: TObject); begin // select all in history SynMemoSQLLog.SelectAll; end; procedure TMDIChild.More1Click(Sender: TObject); begin TableDiagnosticsWindow(Self); end; procedure TMDIChild.MenuOptimizeClick(Sender: TObject); var i : Integer; begin // Optimize tables Screen.Cursor := crHourGlass; try for i:=0 to ListTables.Items.Count - 1 do begin if ListTables.Items[i].Selected then ExecUpdateQuery( 'OPTIMIZE TABLE ' + mask(ListTables.Items[i].Caption) ); end; finally Screen.Cursor := crDefault; end; end; procedure TMDIChild.MenuCheckClick(Sender: TObject); var i : Integer; tables : String; begin // Check tables Screen.Cursor := crHourGlass; try tables := ''; for i:=0 to ListTables.Items.Count - 1 do if ListTables.Items[i].Selected then begin if tables <> '' then tables := tables + ', '; tables := tables + mask(ListTables.Items[i].Caption); end; ExecUpdateQuery( 'CHECK TABLE ' + tables + ' QUICK' ); finally Screen.Cursor := crDefault; end; end; {** Clear Query memo } procedure TMDIChild.menuclearClick(Sender: TObject); var memo : TSynMemo; begin // Clear SynMemo if SynMemoFilter.Focused then memo := SynMemoFilter else memo := SynMemoQuery; // Make sure to add this step to SynMemo's undo history memo.SelectAll; memo.SelText := ''; memo.SelStart := 0; memo.SelEnd := 0; end; procedure TMDIChild.MenuAnalyzeClick(Sender: TObject); var i : Integer; tables : String; begin // Analyze tables Screen.Cursor := crHourGlass; try tables := ''; for i:=0 to ListTables.Items.Count - 1 do if ListTables.Items[i].Selected then begin if tables <> '' then tables := tables + ', '; tables := tables + mask(ListTables.Items[i].Caption); end; ExecUpdateQuery( 'ANALYZE TABLE ' + tables ); finally Screen.Cursor := crDefault; end; end; procedure TMDIChild.MenuRepairClick(Sender: TObject); var i : Integer; tables : String; begin // Repair tables Screen.Cursor := crHourGlass; try tables := ''; for i:=0 to ListTables.Items.Count - 1 do if ListTables.Items[i].Selected then begin if tables <> '' then tables := tables + ', '; tables := tables + mask(ListTables.Items[i].Caption); end; ExecUpdateQuery( 'REPAIR TABLE ' + tables + ' QUICK' ); finally Screen.Cursor := crDefault; end; end; procedure TMDIChild.ListTablesDblClick(Sender: TObject); begin // table-doubleclick if ListTables.Selected <> nil then begin SelectTable(ActualDatabase, ListTables.Selected.Caption); end; end; procedure TMDIChild.TimerConnectErrorCloseWindowTimer(Sender: TObject); begin // can't connect -> close MDI-Child TimerConnectErrorCloseWindow.Enabled := false; Mainform.Showstatus('', 1); MainForm.ShowStatus( STATUS_MSG_READY, 2 ); close; end; procedure TMDIChild.gridDataTitleClick(Column: TColumn); var Grid : TSMDBGrid; i : Integer; existed : Boolean; sortcol : TSMSortColumn; sorting, reg_value : String; reg : TRegistry; begin // column-title clicked -> generate "ORDER BY" Grid := Column.Grid as TSMDBGrid; Grid.DataSource.DataSet.DisableControls; existed := false; for i:=Grid.SortColumns.Count-1 downto 0 do begin sortcol := Grid.SortColumns[i]; if sortcol.FieldName <> Column.FieldName then continue; existed := true; case sortcol.SortType of stDescending : sortcol.SortType := stAscending; stAscending : Grid.SortColumns.Delete(i); stNone : sortcol.SortType := stDescending; end; end; {add a new sorted column in list - ascending order} if not existed then begin sortcol := Grid.SortColumns.Add; sortcol.FieldName := column.FieldName; sortcol.SortType := stDescending; end; Grid.DataSource.DataSet.EnableControls; // Concat orderclause sorting := ''; for i := 0 to ( gridData.SortColumns.Count - 1 ) do begin sortcol := gridData.SortColumns[i]; if ( sortcol.SortType <> stNone ) then begin if ( sorting <> '' ) then begin sorting := sorting + ', '; end; sorting := sorting + mask( sortcol.FieldName ); end; case sortcol.SortType of // stNone: ; stAscending : begin sorting := sorting + ' DESC'; end; stDescending: begin sorting := sorting + ' ASC'; end; end; end; // Write orderclause to registry reg := TRegistry.Create(); reg.OpenKey( REGPATH + '\Servers\' + FConn.Description, true ); reg_value := 'ORDERCLAUSE_' + ActualDatabase + '.' + ActualTable; if ( sorting <> '' ) then begin reg.WriteString( reg_value, sorting ); end else begin if ( reg.ValueExists( reg_value ) ) then reg.DeleteValue( reg_value ); end; reg.CloseKey; ViewData(self); end; procedure TMDIChild.Filter1Click(Sender: TObject); begin // Set WHERE-Filter PageControlBottom.ActivePage := tabFilter; SynMemoFilter.SetFocus; end; // open Find-Dialog procedure TMDIChild.btnQueryFindClick(Sender: TObject); begin FindDialogQuery.execute; // if something is selected search for that text if SynMemoQuery.SelAvail and (SynMemoQuery.BlockBegin.Line = SynMemoQuery.BlockEnd.Line) then FindDialogQuery.FindText := SynMemoQuery.SelText else FindDialogQuery.FindText := SynMemoQuery.GetWordAtRowCol(SynMemoQuery.CaretXY); end; // open Replace-Dialog procedure TMDIChild.btnQueryReplaceClick(Sender: TObject); begin ReplaceDialogQuery.execute; // if something is selected search for that text if SynMemoQuery.SelAvail and (SynMemoQuery.BlockBegin.Line = SynMemoQuery.BlockEnd.Line) then ReplaceDialogQuery.FindText := SynMemoQuery.SelText else ReplaceDialogQuery.FindText := SynMemoQuery.GetWordAtRowCol(SynMemoQuery.CaretXY); end; // Search-Dialog is searching... procedure TMDIChild.FindDialogQueryFind(Sender: TObject); var Options: TSynSearchOptions; Search: String; begin Search := FindDialogQuery.FindText; Options := []; if Sender is TReplaceDialog then Include(Options, ssoEntireScope); if not (frDown in FindDialogQuery.Options) then Include(Options, ssoBackwards); if frMatchCase in FindDialogQuery.Options then Include(Options, ssoMatchCase); if frWholeWord in FindDialogQuery.Options then Include(Options, ssoWholeWord); if SynMemoQuery.SearchReplace(Search, '', Options) = 0 then begin MessageBeep(MB_ICONASTERISK); Mainform.ShowStatus( 'SearchText ''' + Search + ''' not found!', 0); end; end; { Find Text for replace-dialog } procedure TMDIChild.ReplaceDialogQueryFind(Sender: TObject); begin FindDialogQuery.FindText := ReplaceDialogQuery.FindText; FindDialogQueryFind( ReplaceDialogQuery ); end; { Replace Text with replace-dialog } procedure TMDIChild.ReplaceDialogQueryReplace(Sender: TObject); var Options: TSynSearchOptions; Search: String; begin Search := ReplaceDialogQuery.FindText; Options := [ssoEntireScope]; // Do replaces always on entire scope, because the standard-dialog lacks of a down/up-option if frReplaceAll in ReplaceDialogQuery.Options then Include( Options, ssoReplaceAll ); if not (frDown in ReplaceDialogQuery.Options) then Include(Options, ssoBackwards); if frMatchCase in ReplaceDialogQuery.Options then Include(Options, ssoMatchCase); if frWholeWord in ReplaceDialogQuery.Options then Include(Options, ssoWholeWord); if frReplace in ReplaceDialogQuery.Options then // Replace instead of ReplaceAll is pressed Include(Options, ssoReplace) else Include(Options, ssoReplaceAll); if SynMemoQuery.SearchReplace( Search, ReplaceDialogQuery.ReplaceText, Options) = 0 then begin MessageBeep(MB_ICONASTERISK); Mainform.ShowStatus( 'SearchText ''' + Search + ''' not found!', 0); if ssoBackwards in Options then SynMemoQuery.BlockEnd := SynMemoQuery.BlockBegin else SynMemoQuery.BlockBegin := SynMemoQuery.BlockEnd; SynMemoQuery.CaretXY := SynMemoQuery.BlockBegin; end; end; procedure TMDIChild.MenuLimitClick(Sender: TObject); begin // limit or not limit mainform.CheckBoxLimit.Checked := not mainform.CheckBoxLimit.Checked; viewdata(self); end; procedure TMDIChild.Delete1Click(Sender: TObject); begin // Delete record(s) if gridData.SelectedRows.Count = 0 then begin if MessageDLG('Delete 1 Record(s)?', mtConfirmation, [mbOK, mbCancel], 0) = mrOK then GetVisualDataSet().Delete(); // unsafe ... end else if MessageDLG('Delete '+IntToStr(gridData.SelectedRows.count)+' Record(s)?', mtConfirmation, [mbOK, mbCancel], 0) = mrOK then gridData.SelectedRows.Delete; end; procedure TMDIChild.QuickFilterClick(Sender: TObject); var filter,value,column : String; menuitem : TMenuItem; begin // Set filter for "where..."-clause value := gridData.SelectedField.AsString; menuitem := (Sender as TMenuItem); column := mask(gridData.SelectedField.FieldName); if menuitem = QF1 then filter := column + ' =' + ' ' + esc( value ) else if menuitem = QF2 then filter := column + ' !=' + ' ' + esc( value ) else if menuitem = QF3 then filter := column + ' >' + ' ' + esc( value ) else if menuitem = QF4 then filter := column + ' <' + ' ' + esc( value ) else if menuitem = QF5 then filter := column + ' LIKE' + ' ''' + esc( value, true ) + '%''' else if menuitem = QF6 then filter := column + ' LIKE' + ' ''%' + esc( value, true ) + '''' else if menuitem = QF7 then filter := column + ' LIKE' + ' ''%' + esc( value, true ) + '%''' else if menuitem = QF8 then begin filter := InputBox('Specify filter-value...', column+' = ', 'Value'); if filter = 'Value' then abort; filter := column + ' = ''' + filter + ''''; end else if menuitem = QF9 then begin filter := InputBox('Specify filter-value...', column+' != ', 'Value'); if filter = 'Value' then abort; filter := column + ' != ''' + filter + ''''; end else if menuitem = QF10 then begin filter := InputBox('Specify filter-value...', column+' > ', 'Value'); if filter = 'Value' then abort; filter := column + ' > ''' + filter + ''''; end else if menuitem = QF11 then begin filter := InputBox('Specify filter-value...', column+' < ', 'Value'); if filter = 'Value' then abort; filter := column + ' < ''' + filter + ''''; end else if menuitem = QF12 then begin filter := InputBox('Specify filter-value...', column+' LIKE ', 'Value'); if filter = 'Value' then abort; filter := column + ' LIKE ''%' + filter + '%'''; end // Filters with text from clipboard else if (menuitem = QF13) or (menuitem = QF14) or (menuitem = QF15) or (menuitem = QF16) or (menuitem = QF17) then begin filter := menuitem.Caption; end; SynMemoFilter.Text := filter; PageControlBottom.ActivePage := tabFilter; SynMemoFilter.SetFocus; SetFilter(self); end; procedure TMDIChild.btnBlobWordWrapClick(Sender: TObject); begin // linebreaks WordWrap := not WordWrap; btnBlobWordWrap.Down := WordWrap; if btnBlobWordWrap.Down then DBMemo1.Scrollbars := ssVertical else DBMemo1.Scrollbars := ssBoth; end; procedure TMDIChild.btnDbPropertiesClick(Sender: TObject); begin if ListTables.Selected <> nil then begin SelectTable(ActualDatabase, ListTables.Selected.Caption); end; end; procedure TMDIChild.btnDbViewDataClick(Sender: TObject); begin ShowTableData(ListTables.Selected.Caption); end; procedure TMDIChild.PageControlBlobEditorsChange(Sender: TObject); begin btnBlobCopy.Enabled := true; btnBlobLoad.Enabled := not DBMemo1.ReadOnly; btnBlobSave.Enabled := true; if PageControlBlobEditors.ActivePage = tabBlobEditorText then begin // MEMO tab activated. btnBlobWordWrap.Enabled := true; end; if PageControlBlobEditors.ActivePage = tabBlobEditorImage then begin // Image tab activated. btnBlobWordWrap.Enabled := false; end end; // Force a save of the user-edited contents of the BLOB editor. procedure TMDIChild.SaveBlob; begin if not DBMemo1.Modified then exit; if DBMemo1.ReadOnly then exit; if Length(DBMemo1.DataField) = 0 then exit; DBMemo1.DataSource.DataSet.Post; //SendMessage(DBMemo1.Handle, CM_EXIT, 0, 0); end; procedure TMDIChild.btnBlobSaveClick(Sender: TObject); var bf: Textfile; grid: TSMDBGrid; begin // Todo: Weird fix, we probably shouldn't even be showing the button in the first place. if Length(DBMemo1.DataField) = 0 then begin ShowMessage('Please choose a BLOB field in the data grid before using the "Save BLOB" function.'); exit; end; SaveBlob(); grid := ActiveGrid; with TSaveDialog.Create(self) do begin case PageControlBlobEditors.ActivePageIndex of 0 : begin Filter := 'Text files (*.txt)|*.txt|All files (*.*)|*.*'; DefaultExt := 'txt'; end; 1 : begin Filter := 'Bitmaps (*.bmp)|*.bmp|All files (*.*)|*.*'; DefaultExt := 'bmp'; end; end; FileName := grid.SelectedField.FieldName; Options := [ofOverwritePrompt,ofEnableSizing]; if execute then try Screen.Cursor := crHourGlass; case PageControlBlobEditors.ActivePageIndex of 0 : begin AssignFile(bf, filename); Rewrite(bf); Write(bf, GetVisualDataset().FieldByName(DBMemo1.DataField).AsString); CloseFile(bf); end; 1 : EDBImage1.Picture.SaveToFile(filename); end; Screen.Cursor := crDefault; except Screen.Cursor := crDefault; messagedlg('File could not be saved', mterror, [mbok], 0); end; end; end; procedure TMDIChild.btnBlobLoadClick(Sender: TObject); begin // Open BLOB-File if not (DataSource1.State in [dsEdit, dsInsert]) then try DataSource1.Edit; except exit; end; with OpenDialog2 do begin case PageControlBlobEditors.ActivePageIndex of 0 : Filter := 'Textfiles (*.txt)|*.txt|All files (*.*)|*.*'; 1 : Filter := 'All Images (*.jpg, *.jpeg, *.bmp)|*.jpg;*.jpeg;*.bmp|JPEG (*.jpg, *.jpeg)|*.jpg;*.jpeg|Bitmap (*.bmp)|*.bmp|All files (*.*)|*.*'; end; if execute then case PageControlBlobEditors.ActivePageIndex of 0 : DBMemo1.Lines.LoadFromFile(filename); 1 : EDBImage1.Picture.LoadFromFile(filename); end; end; end; procedure TMDIChild.btnFilterLoadClick(Sender: TObject); var menuitem : Tmenuitem; m,i : Integer; _filename : String; dontadd : Boolean; begin // open where-filter With TOpenDialog.Create(self) do begin Filter := 'Textfiles (*.txt)|*.txt|SQL-Files (*.sql)|*.sql|All files (*.*)|*.*'; if Execute and (Filename <> '') then begin Screen.Cursor := crHourGlass; try SynMemoFilter.Lines.LoadFromFile(FileName); except MessageDLG('Error while reading file ''' + filename + '''', mtError, [mbOK], 0); end; Screen.Cursor := crDefault; // don't get one filename more than one time dontadd := false; for m:=0 to popupFilterOpenFile.Items.Count-1 do begin _filename := popupFilterOpenFile.Items[m].Caption; i := 0; while _filename[i] <> ' ' do Inc( i ); _filename := Copy(_filename, i+1, Length(_filename)); _filename := Stringreplace(_filename, '&', '', [rfReplaceAll]); if _filename = FileName then dontadd := true; end; if not dontadd then begin with TRegistry.Create do begin openkey(REGPATH, true); for i:=1 to 10 do begin if not ValueExists('SQLWhereFile'+IntToStr(i)) then break; end; while i > 1 do begin WriteString('SQLWhereFile'+IntToStr(i), ReadString('SQLWhereFile'+IntToStr(i-1))); dec(i); end; WriteString('SQLWhereFile1', FileName); i := 1; popupTreeView.Items.Clear; while ValueExists('SQLWhereFile'+IntToStr(i)) do begin menuitem := Tmenuitem.Create(self); menuitem.Caption := IntToStr(popupFilterOpenFile.Items.count+1) + ' ' + ReadString('SQLWhereFile'+IntToStr(i)); menuitem.OnClick := LoadSQLWhereFile; popupFilterOpenFile.Items.Add(menuitem); Inc( i ); end; end; end; end; end; end; procedure TMDIChild.btnFilterSaveClick(Sender: TObject); begin // save where-filter With TSaveDialog.Create(self) do begin Filter := 'Textfiles (*.txt)|*.txt|SQL-Files (*.sql)|*.sql|All files (*.*)|*.*'; FileName := ActualTable; Options := [ofOverwritePrompt,ofEnableSizing]; DefaultExt := 'txt'; if Execute and (Filename <> '') then try SynMemoFilter.Lines.SaveToFile(FileName); except MessageDLG('Error while reading file ''' + filename + '''', mtError, [mbOK], 0); end; end; end; procedure TMDIChild.SetFilter(Sender: TObject); var where : String; reg : TRegistry; reg_value : String; begin // set filter for data-tab where := trim(self.SynMemoFilter.Text); // Store whereclause in Registry reg := TRegistry.Create; try reg.openkey( REGPATH + '\Servers\' + FConn.Description, false ); reg_value := 'WHERECLAUSE_' + ActualDatabase + '.' + ActualTable; if where <> '' then reg.WriteString( reg_value, where ) else if reg.ValueExists( reg_value ) then reg.DeleteValue( reg_value ); finally reg.Free; end; // store filter for browsing purpose: if where <> '' then begin if WhereFilters = nil then begin // Create filters-list WhereFilters := TStringList.Create; btnFilterPrevious.Enabled := true; btnFilterNext.Enabled := true; end; if WhereFilters.IndexOf(where) > -1 then // Filter was previously used: WhereFiltersIndex := WhereFilters.IndexOf(where) else begin // New Filter: WhereFilters.add(where); WhereFiltersIndex := WhereFilters.count-1; end; ComboBoxWhereFilters.Items := WhereFilters; ComboBoxWhereFilters.ItemIndex := WhereFiltersIndex; end; Filter1.checked := where <> ''; viewdata(self); end; procedure TMDIChild.ClearFilter(Sender: TObject); begin SynMemoFilter.Lines.Clear; SetFilter(self); end; procedure TMDIChild.LoadSQLWhereFile(Sender: TObject); var filename : String; i : Integer; begin // Load SQLWhere File from Menuitem Screen.Cursor := crHourGlass; filename := (sender as TMenuItem).Caption; i := 0; while filename[i] <> ' ' do Inc( i ); filename := Copy(filename, i+1, Length(filename)); filename := Stringreplace(filename, '&', '', [rfReplaceAll]); try SynMemoFilter.Lines.LoadFromFile(filename); except MessageDLG('Error while reading file ''' + filename + '''', mtError, [mbOK], 0); end; Screen.Cursor := crDefault; end; procedure TMDIChild.DropFilter1Click(Sender: TObject); begin // Drop Filter ClearFilter(Self); viewdata(self); end; procedure TMDIChild.MenuChangeTypeClick(Sender: TObject); var i : Integer; tabletype : String; begin tabletype := (Sender as TMenuItem).Caption; tabletype := StringReplace( tabletype, '&', '', [rfReplaceAll] ); // Remove Auto-Hotkey for i:=0 to ListTables.Items.Count - 1 do if ListTables.Items[i].Selected then ExecUpdateQuery( 'ALTER TABLE ' + mask(ListTables.Items[i].Caption) + ' TYPE = ' + tabletype); ShowDBProperties(self); end; procedure TMDIChild.MenuChangeTypeOtherClick(Sender: TObject); var i : Integer; strtype : String; begin // change table-type: if inputquery('Change table-type...','New table-type:', strtype) then begin for i:=0 to ListTables.Items.Count - 1 do if ListTables.Items[i].Selected then ExecUpdateQuery( 'ALTER TABLE ' + mask(ListTables.Items[i].Caption) + ' TYPE = ' + strtype ); ShowDBProperties(self); end; end; procedure TMDIChild.InsertRecord(Sender: TObject); begin viewdata(self); GetVisualDataset().Insert; end; // select all tables procedure TMDIChild.selectall1Click(Sender: TObject); var i : Integer; begin for i:=0 to ListTables.Items.count-1 do ListTables.Items[i].Selected := true; end; procedure TMDIChild.popupQueryPopup(Sender: TObject); var NotInFilterMemo, somechars : Boolean; begin // Depending which SynMemo is focused, (de-)activate some menuitems // The popupQuery is used in both Filter- and Query-Memo NotInFilterMemo := Not SynMemoFilter.Focused; MenuSetFilter.Visible := Not NotInFilterMemo; MenuRun.Visible := NotInFilterMemo; MenuRunSelection.Visible := NotInFilterMemo; MenuRunLine.Visible := NotInFilterMemo; MenuCopy.Visible := NotInFilterMemo; MenuPaste.Visible := NotInFilterMemo; MenuFind.Visible := NotInFilterMemo; MenuReplace.Visible := NotInFilterMemo; MenuLoad.Visible := NotInFilterMemo; MenuInsertFileAtCursor.Visible := NotInFilterMemo; MenuSave.Visible := NotInFilterMemo; MenuSaveSelectionToFile.Visible := NotInFilterMemo; MenuSaveAsSnippet.Visible := NotInFilterMemo; MenuSaveSelectionAsSnippet.Visible := NotInFilterMemo; if NotInFilterMemo then begin somechars := SynMemoQuery.GetTextLen > 0; MenuRun.ShortCut := TextToShortCut('F9'); // Exec SQL with F9 MenuSetFilter.ShortCut := TextToShortCut(''); // Inserting file at cursor only makes sense with content MenuInsertFileAtCursor.Enabled := somechars; Menusave.Enabled := somechars; MenuSaveSelectionToFile.Enabled := SynMemoQuery.SelAvail; MenuSaveAsSnippet.Enabled := somechars; MenuSaveSelectionAsSnippet.Enabled := SynMemoQuery.SelAvail; end else begin somechars := SynMemoFilter.GetTextLen > 0; MenuRun.ShortCut := TextToShortCut(''); MenuSetFilter.ShortCut := TextToShortCut('F9'); // set Filter with F9 end; MenuClear.Enabled := somechars; end; procedure TMDIChild.popupResultGridPopup(Sender: TObject); begin // data available? // MainForm.Save2CSV.enabled := end; procedure TMDIChild.gridDataColumnMoved(Sender: TObject; FromIndex, ToIndex: Integer); begin // prevent OnTitleClick from being executed: abort; end; procedure TMDIChild.gridMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); var ed: TCustomEdit; begin if Button = mbRight then begin // Select text in in-place editor to make popup menu copy and paste work. (Sender as TDBGrid).EditorMode := true; ed := TCustomEdit(FindControl(GetFocus())); ed.SelectAll; //debug('right-click catched, selected all text ''' + ed.SelText + '''.'); // Popup menu manually, mucking about with the grid causes it to stop doing it by itself. if sender = gridData then begin popupDataGrid.Popup(Mouse.CursorPos.X, Mouse.CursorPos.Y); end else if sender = gridQuery then begin popupResultGrid.Popup(Mouse.CursorPos.X, Mouse.CursorPos.Y); end; end else begin inherited MouseDown(Button, Shift, X, Y); end; end; procedure TMDIChild.controlsKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState); begin // Check for F1-pressed if Key = VK_F1 then CallSQLHelp( self ) // Simulate Ctrl+A-behaviour of common editors else if ( Shift = [ssCtrl] ) and ( Key = Ord('A') ) then begin if Sender = DBMemo1 then DBMemo1.SelectAll else if Sender = EditDataSearch then EditDataSearch.SelectAll; end; end; procedure TMDIChild.Autoupdate1Click(Sender: TObject); var seconds : String; secondsInt : Integer; begin // set interval for autorefresh-timer seconds := IntToStr(TimerProcesslist.interval div 1000); if inputquery('Auto-refresh processlist','Update list every ... seconds:', seconds) then begin secondsInt := StrToIntDef(seconds, 0); if secondsInt > 0 then begin TimerProcesslist.Interval := secondsInt * 1000; TimerProcesslist.Enabled := true; EnableAutoRefresh.Checked := true; DisableAutoRefresh.Checked := false; end else MessageDLG('Seconds must be between 1 and ' + IntToStr(maxint) + '.', mtError, [mbOK], 0); end; end; procedure TMDIChild.EnableAutoRefreshClick(Sender: TObject); begin // enable autorefresh-timer TimerProcesslist.Enabled := true; EnableAutoRefresh.Checked := true; DisableAutoRefresh.Checked := false; end; procedure TMDIChild.DisableAutoRefreshClick(Sender: TObject); begin // enable autorefresh-timer TimerProcesslist.Enabled := false; EnableAutoRefresh.Checked := false; DisableAutoRefresh.Checked := true; end; procedure TMDIChild.SynMemoQueryDragOver(Sender, Source: TObject; X, Y: Integer; State: TDragState; var Accept: Boolean); var src : TControl; begin // dragging an object over the query-memo src := Source as TControl; // Accepting drag's from DBTree and QueryHelpers Accept := (src = DBTree) or (src = lboxQueryHelpers); // set x-position of cursor SynMemoQuery.CaretX := (x - SynMemoQuery.Gutter.Width) div SynMemoQuery.CharWidth - 1 + SynMemoQuery.LeftChar; // set y-position of cursor SynMemoQuery.CaretY := y div SynMemoQuery.LineHeight + SynMemoQuery.TopLine; if not SynMemoQuery.Focused then SynMemoQuery.SetFocus; end; procedure TMDIChild.SynMemoQueryDragDrop(Sender, Source: TObject; X, Y: Integer); var src : TControl; Text : String; LoadText : Boolean; begin // dropping a TTreeNode into the query-memo SynMemoQuery.UndoList.AddGroupBreak; src := Source as TControl; Text := 'Error: Unspecified source control in drag''n drop operation!'; LoadText := True; // Check for allowed controls as source has already // been performed in OnDragOver. So, only do typecasting here. if src is TTreeView then begin Text := (src as TTreeView).Selected.Text; end else if src = lboxQueryHelpers then begin Text := (src as TListBox).Items[(src as TListBox).ItemIndex]; if tabsetQueryHelpers.TabIndex = 3 then begin QueryLoad( DIRNAME_SNIPPETS + Text + '.sql', False ); LoadText := False; end; end; // Only insert text if no previous action did the job. // Should be false when dropping a snippet-file here if LoadText then SynMemoQuery.SelText := Text; SynMemoQuery.UndoList.AddGroupBreak; end; procedure TMDIChild.SynMemoQueryDropFiles(Sender: TObject; X, Y: Integer; AFiles: TStrings); var i : Integer; begin // one or more files from explorer or somewhere else was // dropped onto the query-memo - let's load their contents: for i:=0 to AFiles.Count-1 do begin if fileExists(AFiles[i]) then begin QueryLoad( AFiles[i], false ); end; end; end; procedure TMDIChild.SynMemoQueryKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState); begin SynMemoQuery.OnChange(self); controlsKeyUp( Sender, Key, Shift ); end; procedure TMDIChild.SynMemoQueryMouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); begin SynMemoQuery.OnChange(Self); end; procedure TMDIChild.popupHostPopup(Sender: TObject); begin MenuAutoupdate.Enabled := PageControlHost.ActivePage = tabProcessList; end; procedure TMDIChild.ListTablesEditing(Sender: TObject; Item: TListItem; var AllowEdit: Boolean); begin // so that one can press DEL when editing menudroptable.ShortCut := TextToShortCut(''); end; procedure TMDIChild.Saveastextfile1Click(Sender: TObject); begin with TSaveDialog.Create(self) do begin Filter := 'Textfiles (*.txt)|*.txt|All Files (*.*)|*.*'; DefaultExt := 'txt'; FilterIndex := 1; Options := [ofOverwritePrompt,ofHideReadOnly,ofEnableSizing]; if Execute then begin Screen.Cursor := crHourglass; SynMemoSQLLog.Lines.SaveToFile(Filename); Screen.Cursor := crdefault; end; end; end; procedure TMDIChild.popupTreeViewPopup(Sender: TObject); begin // toggle drop-items and remember right-clicked item PopupMenuDropDatabase.Enabled := DBtree.Selected.Level = 1; MainForm.DropTable.Enabled := DBtree.Selected.Level = 2; DBRightClickSelectedItem := DBtree.Selected; end; procedure TMDIChild.btnQuerySaveSnippetClick(Sender: TObject); var snippetname : String; sfile : Textfile; mayChange : Boolean; begin // Save snippet if InputQuery( 'Save snippet', 'Snippet name:', snippetname) then begin if Copy( snippetname, Length(snippetname)-4, 4 ) <> '.sql' then snippetname := snippetname + '.sql'; // cleanup snippetname from special characters snippetname := DIRNAME_SNIPPETS + goodfilename(snippetname); if FileExists( snippetname ) then begin if MessageDlg( 'Overwrite existing snippet '+snippetname+'?', mtConfirmation, [mbOK, mbCancel], 0 ) <> mrOK then exit; end; Screen.Cursor := crHourglass; AssignFile( sfile, snippetname ); Rewrite( sfile ); // Save complete content or just the selected text, // depending on the tag of calling control case (Sender as TComponent).Tag of 0: Write( sfile, SynMemoQuery.Text ); 1: Write( sfile, SynMemoQuery.SelText ); end; CloseFile( sfile ); FillPopupQueryLoad; if tabsetQueryHelpers.TabIndex = 3 then begin // SQL Snippets selected in query helper, refresh list mayChange := True; // Unused; satisfies callee parameter collection which is probably dictated by tabset. tabsetQueryHelpersChange(Sender, 3, mayChange); end; Screen.Cursor := crDefault; end; end; procedure TMDIChild.CallSQLHelp(Sender: TObject); var keyword : String; begin // Call SQL Help from various places if mysql_version < 40100 then exit; keyword := ''; // Query-Tab if SynMemoQuery.Focused then keyword := SynMemoQuery.WordAtCursor // LogSQL-Tab else if SynMemoSQLLog.Focused then keyword := SynMemoQuery.WordAtCursor // Data-Tab else if (PageControlMain.ActivePage = tabData) and (-1 < gridData.Col) and (gridData.Col <= ListColumns.Items.Count) then begin keyword := ListColumns.Items[gridData.Col-1].SubItems[0]; end // Table-Tab else if ListColumns.Focused and (ListColumns.Selected <> nil) then begin keyword := ListColumns.Selected.SubItems[0]; end else if lboxQueryHelpers.Focused then begin // Makes only sense if one of the tabs "SQL fn" or "SQL kw" was selected if tabsetQueryHelpers.TabIndex in [1,2] then begin keyword := lboxQueryHelpers.Items[lboxQueryHelpers.ItemIndex]; end; end; // Clean existing paranthesis, fx: char(64) if Pos( '(', keyword ) > 0 then begin keyword := Copy( keyword, 1, Pos( '(', keyword )-1 ); end; // Show the window CallSQLHelpWithKeyword( keyword ); end; {*** Show SQL Help window directly using a keyword @param String SQL-keyword @see FieldeditForm.btnDatatypeHelp } procedure TMDIChild.CallSQLHelpWithKeyword( keyword: String ); begin // Set help-keyword and show window SQLhelpWindow(self, keyword); end; procedure TMDIChild.ToolButton4Click(Sender: TObject); begin SaveBlob; mainform.HTMLviewExecute(Sender); end; procedure TMDIChild.btnQuerySaveClick(Sender: TObject); var f : TextFile; begin // Save SQL if SaveDialogSQLFile.Execute then begin Screen.Cursor := crHourGlass; AssignFile(f, SaveDialogSQLFile.FileName); Rewrite(f); // Save complete content or just the selected text, // depending on the tag of calling control case (Sender as TComponent).Tag of 0: Write( f, SynMemoQuery.Text ); 1: Write( f, SynMemoQuery.SelText ); end; CloseFile(f); Screen.Cursor := crDefault; end; end; procedure TMDIChild.popupQueryLoadClick( sender: TObject ); var filename : String; p : Integer; begin // Click on the popupQueryLoad filename := (Sender as TMenuItem).Caption; if Pos( '\', filename ) = 0 then begin // assuming we load a snippet filename := DIRNAME_SNIPPETS + filename + '.sql'; end else begin // assuming we load a file from the recent-list p := Pos( ' ', filename ) + 1; filename := Copy(filename, p, Length(filename)); end; filename := Stringreplace(filename, '&', '', [rfReplaceAll]); QueryLoad( filename ); end; procedure TMDIChild.btnQueryLoadClick(Sender: TObject); begin // Click on the btnQueryLoad if OpenDialogSQLfile.Execute then begin QueryLoad( OpenDialogSQLfile.FileName ); end; end; {** Insert SQL file at cursor } procedure TMDIChild.menuInsertFileAtCursorClick(Sender: TObject); begin if OpenDialogSQLfile.Execute then begin QueryLoad( OpenDialogSQLfile.FileName, False ); end; end; procedure TMDIChild.AddOrRemoveFromQueryLoadHistory( filename: String; AddIt: Boolean = true; CheckIfFileExists: Boolean = true ); var i : Integer; Values, newfilelist : TStringList; reg : TRegistry; savedfilename : String; begin // Add or remove filename to/from history, avoiding duplicates reg := TRegistry.Create; reg.openkey(REGPATH, true); newfilelist := TStringList.create; Values := TStringList.create; reg.GetValueNames( Values ); // Add new filename if AddIt then begin newfilelist.Add( filename ); end; // Add all other filenames for i:=0 to Values.Count-1 do begin if Pos( 'SQLFile', Values[i] ) <> 1 then continue; savedfilename := reg.ReadString( Values[i] ); reg.DeleteValue( Values[i] ); if CheckIfFileExists and (not FileExists( savedfilename )) then continue; if (savedfilename <> filename) and (newfilelist.IndexOf(savedfilename)=-1) then newfilelist.add( savedfilename ); end; // Save new list for i := 0 to newfilelist.Count-1 do begin if i >= 20 then break; reg.WriteString( 'SQLFile'+IntToStr(i), newfilelist[i] ); end; reg.Free; end; procedure TMDIChild.QueryLoad( filename: String; ReplaceContent: Boolean = true ); var tmpstr, filecontent : String; f : TextFile; msgtext : String; begin // Ask for action when loading a big file if _GetFileSize( filename ) > LOAD_SIZE then begin msgtext := 'The file you are about to load is bigger than '+FormatByteNumber(LOAD_SIZE, 0)+'.' + CRLF + CRLF + 'Do you want to just run the file to avoid loading it completely into the query-editor ( = memory ) ?' + CRLF + CRLF + 'Press' + CRLF + ' [Yes] to run the file without loading it into the editor' + CRLF + ' [No] to load the file into the query editor' + CRLF + ' [Cancel] to cancel file opening.'; case MessageDlg( msgtext, mtWarning, [mbYes, mbNo, mbCancel], 0 ) of mrYes: // Run the file, don't load it into the editor begin RunSQLFileWindow( Self, filename ); // Add filename to history menu if Pos( DIRNAME_SNIPPETS, filename ) = 0 then AddOrRemoveFromQueryLoadHistory( filename, true ); // Don't load into editor abort; end; mrNo:; // Do nothing, just load the file normally into the editor mrCancel: // Cancel opening file abort; end; end; // Load file and add that to the undo-history of SynEdit. // Normally we would do a simple SynMemo.Lines.LoadFromFile but // this would prevent SynEdit from adding this step to the undo-history // so we have to do it by replacing the SelText property Screen.Cursor := crHourGlass; try AssignFile( f, filename ); Reset( f ); while not eof( f ) do begin Readln( f, tmpstr ); filecontent := filecontent + tmpstr + CRLF; end; except on E: Exception do begin MessageDLG( 'Error while reading file ' + filename + ':' + CRLF + CRLF + E.Message, mtError, [mbOK], 0); AddOrRemoveFromQueryLoadHistory( filename, false ); FillPopupQueryLoad; Screen.Cursor := crDefault; exit; end; end; CloseFile( f ); SynCompletionProposal1.Editor.UndoList.AddGroupBreak; SynMemoQuery.BeginUpdate; if ReplaceContent then begin SynMemoQuery.SelectAll; end; SynMemoQuery.SelText := filecontent; SynMemoQuery.SelStart := SynMemoQuery.SelEnd; SynMemoQuery.EndUpdate; SynMemoQueryChange( self ); if Pos( DIRNAME_SNIPPETS, filename ) = 0 then AddOrRemoveFromQueryLoadHistory( filename, true ); FillPopupQueryLoad; Screen.Cursor := crDefault; end; procedure TMDIChild.FillPopupQueryLoad; var i, j : Integer; menuitem, snippetsfolder : TMenuItem; snippets : TStringList; sqlFilename : String; begin // Fill the popupQueryLoad menu popupQueryLoad.Items.Clear; // Snippets snippets := getFilesFromDir( DIRNAME_SNIPPETS, '*.sql', true ); snippetsfolder := TMenuItem.Create( popupQueryLoad ); snippetsfolder.Caption := 'Snippets'; popupQueryLoad.Items.Add(snippetsfolder); for i := 0 to snippets.Count - 1 do begin menuitem := TMenuItem.Create( snippetsfolder ); menuitem.Caption := snippets[i]; menuitem.OnClick := popupQueryLoadClick; snippetsfolder.Add(menuitem); end; // Separator menuitem := TMenuItem.Create( popupQueryLoad ); menuitem.Caption := '-'; popupQueryLoad.Items.Add(menuitem); // Recent files with TRegistry.Create do begin openkey(REGPATH, true); j := 0; for i:=0 to 19 do begin if not ValueExists('SQLFile'+IntToStr(i)) then continue; sqlFilename := ReadString( 'SQLFile'+IntToStr(i) ); inc(j); menuitem := TMenuItem.Create( popupQueryLoad ); menuitem.Caption := IntToStr(j) + ' ' + sqlFilename; menuitem.OnClick := popupQueryLoadClick; popupQueryLoad.Items.Add(menuitem); end; Free; end; // Separator + "Remove absent files" menuitem := TMenuItem.Create( popupQueryLoad ); menuitem.Caption := '-'; popupQueryLoad.Items.Add(menuitem); menuitem := TMenuItem.Create( popupQueryLoad ); menuitem.Caption := 'Remove absent files'; menuitem.OnClick := PopupQueryLoadRemoveAbsentFiles; popupQueryLoad.Items.Add(menuitem); end; procedure TMDIChild.PopupQueryLoadRemoveAbsentFiles( sender: TObject ); begin AddOrRemoveFromQueryLoadHistory( '', false, true ); FillPopupQueryLoad; end; procedure TMDIChild.btnFilterPreviousClick(Sender: TObject); begin // Go to previous filter if WhereFiltersIndex > 0 then begin dec(WhereFiltersIndex); ComboBoxWhereFilters.ItemIndex := WhereFiltersIndex; SynMemoFilter.Text := WhereFilters[WhereFiltersIndex]; end; end; procedure TMDIChild.btnFilterNextClick(Sender: TObject); begin // Go to next filter if WhereFiltersIndex < WhereFilters.count-1 then begin inc(WhereFiltersIndex); ComboBoxWhereFilters.ItemIndex := WhereFiltersIndex; SynMemoFilter.Text := WhereFilters[WhereFiltersIndex]; end; end; procedure TMDIChild.ComboBoxWhereFiltersChange(Sender: TObject); begin WhereFiltersIndex := ComboBoxWhereFilters.ItemIndex; SynMemoFilter.Text := ComboBoxWhereFilters.Items[ComboBoxWhereFilters.ItemIndex]; end; procedure TMDIChild.btnQueryStopOnErrorsClick(Sender: TObject); begin StopOnErrors := not StopOnErrors; btnQueryStopOnErrors.Down := StopOnErrors; end; procedure TMDIChild.btnTableViewDataClick(Sender: TObject); begin ShowTableData(ActualTable); end; procedure TMDIChild.btnUnsafeEditClick(Sender: TObject); var confirmed: Boolean; msg: String; begin msg := 'This will remove the first NUL character _and all text following it_.' + #13#10 + 'All newlines will be converted to CRLF format.' + #13#10 + 'Are you sure?'; confirmed := MessageDlg(msg, mtConfirmation, mbYesNo, 0) = mrYes; if not confirmed then exit; DBMemo1.ReadOnly := false; DBMemo1.Color := clWindow; btnUnsafeEdit.Enabled := false; DBMemo1.SetFocus; // Sets the grid in edit-state so posting won't ignore changes gridData.DataSource.Edit; end; procedure TMDIChild.DBGridDblClick(Sender: TObject); begin // If grid is not empty... if (Sender as TDBGrid).SelectedField <> nil then begin // Set focus on DBMemo when user doubleclicks a (MEMO)-cell if (sender as TSMDBGrid).SelectedField.IsBlob and (PageControlBlobEditors.ActivePage = tabBlobEditorText) then begin PageControlBottom.ActivePage := tabBlobEditor; DBMemo1.SetFocus; end; end; end; procedure TMDIChild.SaveDialogExportDataTypeChange(Sender: TObject); begin // Set default file-extension of saved file and options on the dialog to show with SaveDialogExportData do begin Case FilterIndex of 1 : begin DefaultExt := 'csv'; VisibleOptions := voCSV; end; 2 : begin DefaultExt := 'html'; VisibleOptions := voHTML; end; 3 : begin DefaultExt := 'xml'; VisibleOptions := voHTML; end; end; end; end; procedure TMDIChild.DBGridGetCellParams(Sender: TObject; Field: TField; AFont: TFont; var Background: TColor; Highlight: Boolean); begin if (Sender as TDBGrid).SelectedRows.CurrentRowSelected then begin background := clInfoBK; afont.Color := clInfoText; end; if field.IsNull then background := mainform.DataNullBackground; end; procedure TMDIChild.DBMemo1Exit(Sender: TObject); var ds: TDataSource; begin // Save changes. Fixes issue #1538021. ds := DBMemo1.DataSource; if ds.State in [dsEdit, dsInsert] then begin ds.DataSet.Post; end; end; procedure TMDIChild.popupDataGridPopup(Sender: TObject); var y,m,d,h,i,s,ms : Word; cpText, selectedColumn, value : String; const CLPBRD : String = 'CLIPBOARD'; begin {DONE -oFrancisco -cData-browsing:Bugfix: [1650528] Access violation with F5} if (gridData.SelectedField <> nil) then begin DataInsertDateTime.Enabled := gridData.SelectedField.DataType in [ftString, ftDatetime, ftDate, ftTime]; if DataInsertDateTime.Enabled then begin decodedate(now, y, m, d); decodetime(now, h, i, s, ms); DataDateTime.Caption := Format('%.4d-%.2d-%.2d %.2d:%.2d:%.2d', [y,m,d,h,i,s]); DataDate.Caption := Format('%.4d-%.2d-%.2d', [y,m,d]); DataTime.Caption := Format('%.2d:%.2d:%.2d', [h,i,s]); DataTimestamp.caption := Format('%.4d%.2d%.2d%.2d%.2d%.2d', [y,m,d,h,i,s]); DataYear.Caption := Format('%.4d', [y]); end; // Manipulate the Quick-filter menuitems selectedColumn := mask(gridData.SelectedField.FieldName); // 1. block: include selected columnname and value from datagrid in caption value := sstr(gridData.SelectedField.AsString, 100); QF1.Caption := selectedColumn + ' = ' + esc( value ); QF2.Caption := selectedColumn + ' != ' + esc( value ); QF3.Caption := selectedColumn + ' > ' + esc( value ); QF4.Caption := selectedColumn + ' < ' + esc( value ); QF5.Caption := selectedColumn + ' LIKE ''' + esc( value, true ) + '%'''; QF6.Caption := selectedColumn + ' LIKE ''%' + esc( value, true ) + ''''; QF7.Caption := selectedColumn + ' LIKE ''%' + esc( value, true ) + '%'''; // 2. block: include only selected columnname in caption QF8.Caption := selectedColumn + ' = "..."'; QF9.Caption := selectedColumn + ' != "..."'; QF10.Caption := selectedColumn + ' > "..."'; QF11.Caption := selectedColumn + ' < "..."'; QF12.Caption := selectedColumn + ' LIKE "%...%"'; // 3. block: include selected columnname and clipboard-content in caption for one-click-filtering cpText := Clipboard.AsText; if Length(cpText) < 100 then begin QF13.Enabled := true; QF13.Caption := selectedColumn + ' = ' + esc( cpText ); QF14.Enabled := true; QF14.Caption := selectedColumn + ' != ' + esc( cpText ); QF15.Enabled := true; QF15.Caption := selectedColumn + ' > ' + esc( cpText ); QF16.Enabled := true; QF16.Caption := selectedColumn + ' < ' + esc( cpText ); QF17.Enabled := true; QF17.Caption := selectedColumn + ' LIKE ''%' + esc( cpText, true ) + '%'''; end else begin QF13.Enabled := false; QF13.Caption := selectedColumn + ' = ' + CLPBRD; QF14.Enabled := false; QF14.Caption := selectedColumn + ' != ' + CLPBRD; QF15.Enabled := false; QF15.Caption := selectedColumn + ' > ' + CLPBRD; QF16.Enabled := false; QF16.Caption := selectedColumn + ' < ' + CLPBRD; QF17.Enabled := false; QF17.Caption := selectedColumn + ' LIKE %' + CLPBRD + '%'; end; end; end; procedure TMDIChild.InsertDate(Sender: TObject); var d : String; begin // Insert date/time-value into table d := (sender as TMenuItem).Caption; delete(d, Pos('&', d), 1); DataSource1.Edit; gridData.SelectedField.AsString := d; end; procedure TMDIChild.btnBlobCopyClick(Sender: TObject); begin if dbmemo1.DataField = '' then exit; SaveBlob; case PageControlBlobEditors.ActivePageIndex of 0 : clipboard.astext := GetVisualDataset().FieldByName(DBMemo1.DataField).AsString; 1 : EDBImage1.CopyToClipboard; end; end; procedure TMDIChild.setNULL1Click(Sender: TObject); begin if not (DataSource1.State in [dsEdit, dsInsert]) then DataSource1.Edit; gridData.SelectedField.Clear; end; procedure TMDIChild.ZQueryGridAfterPost(DataSet: TDataSet); var affected_rows_str, msg : String; affected_rows_int : Int64; begin affected_rows_int := FMysqlConn.Connection.GetAffectedRowsFromLastPost; affected_rows_str := FormatNumber( affected_rows_int ); if affected_rows_int = 0 then begin LogSQL( 'Affected rows: ' + affected_rows_str ); // Refresh grid to show the user that no change has been applied GetVisualDataset().Refresh; msg := 'Warning: No row was affected by the last update.' + CRLF + CRLF + 'This is most likely caused by entering data which the MySQL-server has converted silently.' + CRLF + 'For example when you enter a date like "0000-01-01" (applies only to newer MySQL-versions).'; LogSQL( msg ); MessageDlg( msg, mtWarning, [mbOK], 0); end; if affected_rows_int > 1 then begin LogSQL( 'Affected rows: ' + affected_rows_str ); // Refresh grid to show the user which values the other records got GetVisualDataset().Refresh; msg := 'Warning: Consistency problem detected.' + CRLF + CRLF + 'The last query affected ' + affected_rows_str + ' rows, when it should have touched only 1 row!' + CRLF + CRLF + 'This is most likely caused by not having a primary key in the table''s definition.'; LogSQL( msg ); MessageDlg( msg, mtWarning, [mbOK], 0); end; // Display row count and filter-matchings above dbgrid DisplayRowCountStats(DataSet); end; procedure TMDIChild.ZQueryGridBeforeClose(DataSet: TDataSet); begin // unassign data-aware controls DBMemo1.DataField := ''; EDBImage1.DataField := ''; end; procedure TMDIChild.ExecUseQuery(db: string; HandleErrors: Boolean = false; DisplayErrors: Boolean = false); begin FConn.MysqlParams.Database := db; ExecUpdateQuery('USE ' + mask(db), HandleErrors, DisplayErrors); end; {*** Execute a query without returning a resultset The currently active connection is used @param String The single SQL-query to be executed on the server } function TMDIChild.ExecUpdateQuery(sql: string; HandleErrors: Boolean = false; DisplayErrors: Boolean = false): Int64; var MysqlQuery : TMysqlQuery; begin Result := -1; // Silence compiler warning. MysqlQuery := nil; try try // Start query execution MysqlQuery := RunThreadedQuery(sql); Result := TZQuery(MysqlQuery.MysqlDataset).RowsAffected; // Inspect query result code and log / notify user on failure if MysqlQuery.Result in [MQR_CONNECT_FAIL,MQR_QUERY_FAIL] then begin raise Exception.Create(MysqlQuery.Comment); end; except on E: Exception do begin LogSQL( E.Message, True ); if DisplayErrors then MessageDlg( E.Message, mtError, [mbOK], 0 ); // Recreate exception, since we free it below the caller // won't know what happened otherwise. if not HandleErrors then raise THandledSQLError.Create(MysqlQuery.Comment); Result := -1; end; end; finally // Cleanup the MysqlQuery object, we won't need it anymore if MysqlQuery <> nil then FreeAndNil (MysqlQuery); end; end; {*** Execute a query which may return a resultset. The caller is responsible for freeing the MysqlQuery object and its Dataset member, only on returnvalue True. The currently active connection is used @param String The single SQL-query to be executed on the server @return TMysqlQuery Containing the dataset and info data availability } function TMDIChild.ExecSelectQuery(sql: string; HandleErrors: Boolean = false; DisplayErrors: Boolean = false): TDataSet; var res: TMysqlQuery; begin res := nil; try // Start query execution res := RunThreadedQuery(sql); result := res.MysqlDataset; // Inspect query result code and log / notify user on failure if res.Result in [MQR_CONNECT_FAIL,MQR_QUERY_FAIL] then begin raise Exception.Create(res.Comment); end; except on E: Exception do begin LogSQL( E.Message, True ); if DisplayErrors then MessageDlg( E.Message, mtError, [mbOK], 0 ); if res <> nil then FreeAndNil(res); if not HandleErrors then raise THandledSQLError.Create(E.Message); Result := nil; end; end; end; {*** Executes a query. } function TMDIChild.GetResults( SQLQuery: String; HandleErrors: Boolean = false; DisplayErrors: Boolean = false ): TDataSet; begin result := ExecSelectQuery(SQLQuery, HandleErrors, DisplayErrors); end; {*** Execute a query and return String from column x } function TMDIChild.GetVar( SQLQuery: String; x: Integer = 0; HandleErrors: Boolean = false; DisplayErrors: Boolean = false) : String; var ds: TDataSet; begin ds := GetResults( SQLQuery, HandleErrors, DisplayErrors ); if ds = nil then exit; Result := ds.Fields[x].AsString; ds.Close; end; function TMDIChild.GetNamedVar( SQLQuery: String; x: String; HandleErrors: Boolean = false; DisplayErrors: Boolean = false) : String; var ds: TDataSet; begin ds := GetResults( SQLQuery, HandleErrors, DisplayErrors ); if ds = nil then exit; Result := ds.Fields.FieldByName(x).AsString; ds.Close; end; {*** This returns the dataset object that is currently visible to the user, depending on with tabsheet is active. @return TDataset if data/query tab is active, nil otherwise. } function TMDIChild.GetVisualDataset: TDataSet; begin case PageControlMain.ActivePageIndex of 3: Result := gridData.DataSource.DataSet; 4: Result := gridQuery.DataSource.DataSet; else Result := nil; end; end; {*** Execute a query and return column x as Stringlist @param String SQL query String @param Integer 0-based column index in the resultset to return @return TStringList } function TMDIChild.GetCol( SQLQuery: String; x: Integer = 0; HandleErrors: Boolean = false; DisplayErrors: Boolean = false ) : TStringList; var i: Integer; ds: TDataSet; begin ds := GetResults( SQLQuery, HandleErrors, DisplayErrors); Result := TStringList.create(); if ds = nil then exit; for i := 0 to ds.RecordCount - 1 do begin Result.Add( ds.Fields[x].AsString ); ds.Next; end; ds.Close; end; {*** Event procedure handler for the ZSQLMonitor1 object } procedure TMDIChild.ZSQLMonitor1LogTrace(Sender: TObject; Event: TZLoggingEvent); begin LogSQL( Trim( Event.Message ), (Event.Category <> lcExecute) ); end; // Resize image to fit procedure TMDIChild.ResizeImageToFit; var height_needed : Cardinal; begin // Abort zooming if it's not an image or image-tab is sized to minimum size if (EDBImage1.Picture.Width < 1) or (ScrollBox1.Height < 1) then exit; // Use all height we can get, but only as much we need to display without zooming if EDBImage1.Picture.Height > Scrollbox1.Height then height_needed := Scrollbox1.Height else height_needed := EDBImage1.Picture.Height; // Set size EDBImage1.Height := height_needed; EDBImage1.Width := MulDiv(height_needed, EDBImage1.Picture.Width, EDBImage1.Picture.Height); MainForm.showstatus('Image: ' + IntToStr( EDBImage1.Picture.width) + ' x ' + IntToStr( EDBImage1.Picture.Height ) + ' pixel, ' + 'zoomed to ' + IntToStr(Round( 100 / EDBImage1.Picture.Height * EDBImage1.Height )) + '%' ); end; procedure TMDIChild.RunAsyncPost(ds: TDeferDataSet); begin FQueryRunning := true; try try CheckConnection; except on E: Exception do begin raise Exception.Create('Failed to reconnect, giving up. (' + E.Message + ')'); end; end; FProgressForm := TFrmQueryProgress.Create(Self); debug('RunThreadedQuery(): Launching asynchronous query.'); ExecPostAsync(FConn,nil,FProgressForm.Handle,ds); WaitForQueryCompletion(FProgressForm); finally FQueryRunning := false; end; end; {*** Run a query in a separate thread of execution on the current connection. } function TMDIChild.RunThreadedQuery(AQuery: String): TMysqlQuery; begin Result := nil; if (Copy(AQuery, 1, 3) <> 'USE') then EnsureActiveDatabase; // Indicate a querythread is active (only one thread allow at this moment) FQueryRunning := true; try // Check if the connection of the current window is still alive // Otherwise reconnect try CheckConnection; except on E: Exception do begin raise Exception.Create('Failed to reconnect, giving up. (' + E.Message + ')'); end; end; // Create instance of the progress form (but don't show it yet) FProgressForm := TFrmQueryProgress.Create(Self); { Launch a thread of execution that passes the query to the server The progressform serves as receiver of the status messages (WM_MYSQL_THREAD_NOTIFY) of the thread: * After the thread starts it notifies the progressform (MQE_INITED) (which calls ShowModal on itself) * Waits for a completion message from the thread (MQE_FINISHED) to remove itself * Set FQueryRunning to false } debug('RunThreadedQuery(): Launching asynchronous query.'); Result := ExecMysqlStatementAsync (AQuery,FConn,nil,FProgressForm.Handle,RunAsyncPost); { Repeatedly check if the query has finished by inspecting FQueryRunning Allow repainting of user interface } WaitForQueryCompletion(FProgressForm); finally FQueryRunning := false; end; end; procedure TMDIChild.Splitter2Moved(Sender: TObject); begin ResizeImageToFit; end; {*** Used to catch when the highlighted row in a grid changes. Possibly the AfterScroll event would be better suited for the purpose? *} procedure TMDIChild.DataSourceDataChange(Sender: TObject; Field: TField); begin //debug('DataSourceDataChange()'); // Avoid calling when switching data source to another TDataset. if not viewingdata then GridHighlightChanged(Sender); end; procedure TMDIChild.DBGridColEnter(Sender: TObject); begin //debug('DBGridColEnter()'); GridHighlightChanged(Sender); end; procedure TMDIChild.GridHighlightChanged(Sender: TObject); var grid: TSMDBGrid; ds: TDataSource; hasNull: Boolean; hasOddNewlines: Boolean; s: String; begin // Current highlighted row or column in a grid has changed. // Happens twice (row, then column) if neither row nor column match previously selected field. grid := ActiveGrid; ds := grid.DataSource; if grid.SelectedField = nil then exit; debug('GridHighlightChanged'); if DBMemo1.DataSource <> ds then begin DBMemo1.DataField := ''; DBMemo1.DataSource := ds; EDBImage1.DataField := ''; EDBImage1.DataSource := ds; end; if grid.SelectedField.IsBlob then begin // Connect the BLOB-components to this field DBMemo1.DataField := grid.SelectedField.FieldName; // Hack: If 8 bytes or less, don't try to interpret as an image. // Fixes BIT fields, which EDBImage otherwise think contains icons. if Length(grid.SelectedField.AsString) > 8 then begin EDBImage1.DataField := grid.SelectedField.FieldName; end; // If user is already editing then we're here by accident. if not DBMemo1.Focused then begin // Disable text editor if there's binary data or odd newlines in the field, // since the text editor may/will silently corrupt it if used. hasNull := hasNullChar(DBMemo1.Field.AsString); hasOddNewlines := hasIrregularNewlines(DBMemo1.Field.AsString); DBMemo1.ReadOnly := hasNull or hasOddNewlines; btnUnsafeEdit.Enabled := hasNull or hasOddNewlines; if btnUnsafeEdit.Enabled then begin s := 'Cannot edit text because BLOB contains '; if hasNull then s := s + 'NUL characters'; if hasOddNewlines then begin if hasNull then s := s + ' and '; s := s + 'non-CRLF newlines'; end; s := s + '. Click here to remove NUL plus following text and convert all newlines to CRLF format.'; end else begin s := 'No irregular characters found in BLOB. It is safe to edit this text.'; end; btnUnsafeEdit.Hint := s; end; // Ensure visibility of the Blob-Editor PageControlBottom.ActivePage := tabBlobEditor; MenuViewBlob.Enabled := true; // Detect if we have picture-data in this BLOB and // if yes, bring the viewer in the BLOB-editor to the front if grid.Focused then begin if EDBImage1.Picture.Height > 0 then begin PageControlBlobEditors.ActivePage := tabBlobEditorImage; end else begin PageControlBlobEditors.ActivePage := tabBlobEditorText; end; end; ResizeImageToFit; end else begin // No BLOB selected, so disconnect the Blob-components // from any field DBMemo1.ReadOnly := true; DBMemo1.DataField := ''; EDBImage1.DataField := ''; MenuViewBlob.Enabled := false; end; // Indicate the ReadOnly-state of the BLOB to the user if DBMemo1.ReadOnly then begin DBMemo1.Color := clInactiveCaptionText; end else begin DBMemo1.Color := clWindow; end; PageControlBlobEditorsChange(self); end; procedure TMDIChild.ZQuery1EditError(DataSet: TDataSet; E: EDatabaseError; var Action: TDataAction); begin LogSQL( E.Message, true ); end; procedure TMDIChild.FormResize(Sender: TObject); begin ListTables.Width := tabDatabase.Width - tlbDataLeft1.Width - tlbDataLeft1.Left; ListTables.Height := tabDatabase.Height - pnlDatabaseTop.Height; pnlTableList.Width := tabTable.Width - tlbTableLeft1.Width - tlbTableLeft1.Left; pnlTableList.Height := tabTable.Height - pnlTableTop.Height; end; // Search with searchbox procedure TMDIChild.ButtonDataSearchClick(Sender: TObject); var i : Integer; where : String; begin if not gridData.DataSource.DataSet.Active then exit; where := ''; if EditDataSearch.text <> '' then begin for i:=0 to gridData.FieldCount-1 do begin if where <> '' then where := where + CRLF + ' OR '; where := where + mask(gridData.Fields[i].FieldName) + ' LIKE ''%' + esc( EditDataSearch.text, true ) + '%'''; end; if CheckBoxDataSearch.Checked then where := 'NOT (' + where + ')'; end; SynMemoFilter.Text := where; SetFilter(self); end; // Searchbox focused procedure TMDIChild.EditDataSearchEnter(Sender: TObject); begin ButtonDataSearch.Default := true; EditDataSearch.SelectAll; end; // Searchbox unfocused procedure TMDIChild.EditDataSearchExit(Sender: TObject); begin ButtonDataSearch.Default := false; end; // Click on first menu-item in context-menu of tablelist-columns procedure TMDIChild.MenuTablelistColumnsClick(Sender: TObject); var menuitem : TMenuItem; TablelistColumnsList : TStringList; begin menuitem := (Sender as TMenuItem); with TRegistry.Create do try openkey( REGPATH + '\Servers\' + FConn.Description, true ); case menuitem.Tag of 1 : // Toggle default-columns WriteBool( 'TablelistDefaultColumns', not menuitem.Checked ); 2 : begin if ValueExists( 'TablelistColumns' ) then TablelistColumnsList := Explode( ',', ReadString( 'TablelistColumns' ) ) else TablelistColumnsList := TStringList.Create; if TablelistColumnsList.IndexOf( menuitem.Caption ) > -1 then TablelistColumnsList.Delete( TablelistColumnsList.IndexOf( menuitem.Caption ) ) else TablelistColumnsList.Add( menuitem.Caption ); WriteString( 'TablelistColumns', implodestr( ',', TablelistColumnsList ) ); end; end; free; except free; MessageDlg( 'Error while writing to registry.', mtError, [mbOK], 0 ); exit; end; menuitem.Checked := not menuitem.Checked; ShowDBProperties( self ); end; // Rightclick on header of table grid procedure TMDIChild.ListTablesColumnRightClick(Sender: TObject; Column: TListColumn; Point: TPoint); begin popupDbGridHeader.Popup( Mouse.CursorPos.X, Mouse.CursorPos.Y ); end; // Rightclick on database grid procedure TMDIChild.ListTablesMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); begin if button = mbright then popupDbGrid.Popup( Mouse.CursorPos.X, Mouse.CursorPos.Y ); end; function TMDIChild.mask(str: String) : String; begin result := maskSql(mysql_version, str); end; procedure TMDIChild.CheckConnection; begin if not FMysqlConn.IsAlive then begin LogSQL('Connection failure detected. Trying to reconnect.', true); TimerConnected.Enabled := false; TimerConnectedTimer(self); TimerHostUptime.Enabled := false; TimerHostUptimeTimer(self); // 1) CheckConnection is always called from // within an FQueryRunning-enabled block. // 2) PerformConnect (see below) will make calls // that open an FQueryRunning block, causing an // error message. // // Therefore, flick the state of the running // flag before running PerformConnect(). FQueryRunning := false; try FMysqlConn.Connection.Reconnect; PerformConnect; finally FQueryRunning := true; end; end; end; function TMDIChild.GetActiveGrid: TSMDBGrid; begin Result := nil; if PageControlMain.ActivePage = tabData then Result := gridData; if PageControlMain.ActivePage = tabQuery then Result := gridQuery; end; {*** Detect average row size and limit the number of rows fetched at once if more than ~ 5 MB of data } function TMDIChild.GetCalculatedLimit( Table: String ): Int64; var AvgRowSize, RecordCount : Int64; ds: TDataSet; const // how much overhead this application has per row ROW_SIZE_OVERHEAD : Integer = 1150; // average row size guess for mysql server < 5.0 ROW_SIZE_GUESS: Integer = 2048; // round to nearest value when deciding limit ROUNDING: Integer = 1000; begin result := -1; try ds := GetResults('SHOW TABLE STATUS LIKE ' + esc(Table)); if ds = nil then exit; AvgRowSize := MakeInt( ds.FieldByName( 'Avg_row_length' ).AsString ) + ROW_SIZE_OVERHEAD; RecordCount := MakeInt( ds.FieldByName( 'Rows' ).AsString ); if AvgRowSize * RecordCount > LOAD_SIZE then begin result := Trunc( LOAD_SIZE / AvgRowSize ); result := (Trunc(result / ROUNDING) + 1) * ROUNDING; if result >= RecordCount then result := -1; end; finally debug( 'GetCalculatedLimit: ' + formatnumber(result) ); end; end; {** Column selection for datagrid } procedure TMDIChild.btnDataClick(Sender: TObject); var btn : TSpeedButton; frm : TForm; begin btn := (Sender as TSpeedButton); if btn.Down then begin // Create the desired form if btn = btnColumnSelection then frm := TColumnSelectionForm.Create(self) else if btn = btnDataSorting then frm := TDataSortingForm.Create(self) else frm := TForm.Create(self); // Dummy fallback, should never get created // Position new form relative to btn's position frm.Top := btn.ClientOrigin.Y + btn.Height; frm.Left := btn.ClientOrigin.X; // Display form and refresh data if needed if frm.ShowModal = mrOK then ViewData(self); btn.Down := False; end; end; {** Tabset right to query-memo was clicked } procedure TMDIChild.tabsetQueryHelpersChange(Sender: TObject; NewTab: Integer; var AllowChange: Boolean); var i : Integer; begin lboxQueryHelpers.Items.BeginUpdate; lboxQueryHelpers.Items.Clear; // By default sorted alpabetically lboxQueryHelpers.Sorted := True; // By default disable all items in popupmenu, enable them when needed menuDeleteSnippet.Enabled := False; menuHelp.Enabled := False; case NewTab of 0: // Cols begin // Keep native order of columns lboxQueryHelpers.Sorted := False; for i := 0 to ListColumns.Items.Count - 1 do begin lboxQueryHelpers.Items.Add(ListColumns.Items[i].Caption); end; end; 1: // SQL functions begin // State of items in popupmenu menuHelp.Enabled := True; for i := 0 to Length(MySQLFunctions) - 1 do begin // Don't display unsupported functions here if MySqlFunctions[i].Version > mysql_version then continue; lboxQueryHelpers.Items.Add( MySQLFunctions[i].Name + MySQLFunctions[i].Declaration ); end; end; 2: // SQL keywords begin // State of items in popupmenu menuHelp.Enabled := True; lboxQueryHelpers.Items := MYSQL_KEYWORDS; end; 3: // SQL Snippets begin // State of items in popupmenu menuDeleteSnippet.Enabled := True; lboxQueryHelpers.Items := getFilesFromDir( DIRNAME_SNIPPETS, '*.sql', true ); end; end; // Restore last selected item in tab if (QueryHelpersSelectedItems[NewTab] > -1) and (QueryHelpersSelectedItems[NewTab] < lboxQueryHelpers.Count) then begin lboxQueryHelpers.ItemIndex := QueryHelpersSelectedItems[NewTab]; end; lboxQueryHelpers.Items.EndUpdate; end; {** Insert string from listbox with query helpers into SQL memo at doubleclick } procedure TMDIChild.lboxQueryHelpersDblClick(Sender: TObject); var itemtext : String; begin itemtext := lboxQueryHelpers.Items[lboxQueryHelpers.ItemIndex]; case tabsetQueryHelpers.TabIndex of 3: // Load snippet file ínto query-memo QueryLoad( DIRNAME_SNIPPETS + itemtext + '.sql', False ); else // For all other tabs just insert the item from the list SynMemoQuery.SelText := itemtext; end; SynMemoQuery.SetFocus; end; {** Remember last used items in query helper tabs } procedure TMDIChild.lboxQueryHelpersClick(Sender: TObject); begin QueryHelpersSelectedItems[tabsetQueryHelpers.TabIndex] := lboxQueryHelpers.ItemIndex; end; {** Insert function name from popupmenu to query memo } procedure TMDIChild.insertFunction(Sender: TObject); var f : String; sm : TSynMemo; begin // Detect which memo is focused if SynMemoFilter.Focused then sm := SynMemoFilter else sm := SynMemoQuery; // Restore function name from array f := MySQLFunctions[TControl(Sender).tag].Name + MySQLFunctions[TControl(Sender).tag].Declaration; sm.UndoList.AddGroupBreak; sm.SelText := f; sm.UndoList.AddGroupBreak; if not SynMemoFilter.Focused then SynMemoQueryChange(self); end; {** Activate inline-item-editor of listColumns } procedure TMDIChild.menuRenameColumnClick(Sender: TObject); begin listColumns.Selected.EditCaption; end; {** Rename a column name from within listColumns } procedure TMDIChild.ListColumnsEdited(Sender: TObject; Item: TListItem; var S: string); var def : TDataSet; sql_update, sql_null, sql_default, sql_extra, DefaultValue : String; begin // Try to rename, on any error abort and don't rename ListItem try ensureValidIdentifier( S ); // Fetch column definition def := GetResults( 'SHOW COLUMNS FROM ' + mask(ActualTable) + ' LIKE ' + esc(Item.Caption), False, False ); // Check NOT NULL sql_null := 'NULL '; if UpperCase(def.FieldByName('Null').AsString) = 'NO' then sql_null := 'NOT NULL '; // Check default value, take care of non-literals / functions sql_default := ''; DefaultValue := def.FieldByName('Default').AsString; if DefaultValue <> '' then begin if (UpperCase(def.FieldByName('Type').AsString) <> 'TIMESTAMP') and (DefaultValue <> 'CURRENT_TIMESTAMP') then DefaultValue := esc(DefaultValue); sql_default := 'DEFAULT ' + DefaultValue + ' '; end; // Check extra options (auto_increment) sql_extra := ''; if def.FieldByName('Extra').AsString <> '' then sql_default := ' '+UpperCase(def.FieldByName('Extra').AsString) + ' '; // Concat column definition sql_update := 'ALTER TABLE ' + mask(ActualTable) + ' CHANGE ' + mask(Item.Caption) + ' ' + mask(S) + ' ' + def.FieldByName('Type').AsString + ' ' + sql_null + sql_default + sql_extra; // Fire ALTER query ExecUpdateQuery( sql_update, False, False ); except On E : Exception do begin MessageDlg( E.Message, mtError, [mbOK], 0 ); abort; end; end; end; {** Delete a snippet file } procedure TMDIChild.menuDeleteSnippetClick(Sender: TObject); var snippetfile : String; mayChange : Boolean; begin // Don't do anything if no item was selected if lboxQueryHelpers.ItemIndex = -1 then abort; snippetfile := DIRNAME_SNIPPETS + lboxQueryHelpers.Items[ lboxQueryHelpers.ItemIndex ] + '.sql'; if MessageDlg( 'Delete snippet file? ' + CRLF + snippetfile, mtConfirmation, [mbOk, mbCancel], 0) = mrOk then begin Screen.Cursor := crHourGlass; if DeleteFile( snippetfile ) then begin // Refresh list with snippets mayChange := True; // Unused; satisfies callee parameter collection which is probably dictated by tabset. tabsetQueryHelpersChange( Sender, tabsetQueryHelpers.TabIndex, mayChange ); end else begin Screen.Cursor := crDefault; MessageDlg( 'Failed deleting ' + snippetfile, mtError, [mbOK], 0 ); end; Screen.Cursor := crDefault; end; end; end.