mirror of
https://github.com/HeidiSQL/HeidiSQL.git
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886f67cb62
Additionally this implements tabbing through edited fields for all grid editors. And it fixes issue #1266, issue #1267, issue #1253, issue #1178, issue #1155, issue #825 and issue #566 .
1680 lines
58 KiB
ObjectPascal
1680 lines
58 KiB
ObjectPascal
unit table_editor;
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interface
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uses
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Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
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Dialogs, StdCtrls, TntStdCtrls, ComCtrls, ToolWin, VirtualTrees, WideStrings,
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SynRegExpr, ActiveX, DB, ExtCtrls, ImgList, SynEdit, SynMemo, Menus, WideStrUtils;
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type
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TfrmTableEditor = class(TFrame)
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btnSave: TButton;
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btnDiscard: TButton;
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btnHelp: TButton;
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listColumns: TVirtualStringTree;
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PageControlMain: TPageControl;
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tabBasic: TTabSheet;
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tabIndexes: TTabSheet;
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tabOptions: TTabSheet;
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lblName: TLabel;
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editName: TTntEdit;
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memoComment: TTntMemo;
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lblComment: TLabel;
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lblAutoinc: TLabel;
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lblAvgRowLen: TLabel;
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lblInsertMethod: TLabel;
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lblUnion: TLabel;
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lblMaxRows: TLabel;
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lblRowFormat: TLabel;
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editAutoInc: TEdit;
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editAvgRowLen: TEdit;
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editMaxRows: TEdit;
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chkChecksum: TCheckBox;
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comboRowFormat: TComboBox;
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memoUnionTables: TTntMemo;
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comboInsertMethod: TComboBox;
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lblCollation: TLabel;
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comboCollation: TTNTComboBox;
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lblEngine: TLabel;
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comboEngine: TComboBox;
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treeIndexes: TVirtualStringTree;
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tlbIndexes: TToolBar;
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btnAddIndex: TToolButton;
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btnRemoveIndex: TToolButton;
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btnClearIndexes: TToolButton;
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btnMoveUpIndex: TToolButton;
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btnMoveDownIndex: TToolButton;
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StaticText1: TStaticText;
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pnlColumnsTop: TPanel;
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tlbColumns: TToolBar;
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btnAddColumn: TToolButton;
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btnRemoveColumn: TToolButton;
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btnClearColumns: TToolButton;
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btnMoveUpColumn: TToolButton;
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btnMoveDownColumn: TToolButton;
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SplitterTopBottom: TSplitter;
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tabCREATEcode: TTabSheet;
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tabALTERCode: TTabSheet;
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SynMemoCREATEcode: TSynMemo;
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SynMemoALTERcode: TSynMemo;
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popupIndexes: TPopupMenu;
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menuAddIndex: TMenuItem;
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menuAddIndexColumn: TMenuItem;
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menuRemoveIndex: TMenuItem;
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menuMoveUpIndex: TMenuItem;
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menuMoveDownIndex: TMenuItem;
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menuClearIndexes: TMenuItem;
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popupColumns: TPopupMenu;
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menuAddColumn: TMenuItem;
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menuRemoveColumn: TMenuItem;
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menuClearColumns: TMenuItem;
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menuMoveUpColumn: TMenuItem;
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menuMoveDownColumn: TMenuItem;
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chkCharsetConvert: TCheckBox;
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procedure editNameChange(Sender: TObject);
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procedure Modification(Sender: TObject);
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procedure btnAddColumnClick(Sender: TObject);
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procedure btnRemoveColumnClick(Sender: TObject);
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procedure btnClearColumnsClick(Sender: TObject);
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procedure listColumnsBeforePaint(Sender: TBaseVirtualTree; TargetCanvas: TCanvas);
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procedure listColumnsFocusChanged(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex);
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procedure btnHelpClick(Sender: TObject);
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procedure listColumnsGetText(Sender: TBaseVirtualTree; Node: PVirtualNode;
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Column: TColumnIndex; TextType: TVSTTextType; var CellText: WideString);
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procedure listColumnsEditing(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex; var Allowed: Boolean);
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procedure listColumnsNewText(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex; NewText: WideString);
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procedure btnMoveUpColumnClick(Sender: TObject);
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procedure btnMoveDownColumnClick(Sender: TObject);
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procedure listColumnsDragOver(Sender: TBaseVirtualTree; Source: TObject; Shift: TShiftState; State: TDragState;
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Pt: TPoint; Mode: TDropMode; var Effect: Integer; var Accept: Boolean);
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procedure listColumnsDragDrop(Sender: TBaseVirtualTree; Source: TObject; DataObject: IDataObject; Formats: TFormatArray;
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Shift: TShiftState; Pt: TPoint; var Effect: Integer; Mode: TDropMode);
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procedure listColumnsPaintText(Sender: TBaseVirtualTree; const TargetCanvas: TCanvas; Node: PVirtualNode;
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Column: TColumnIndex; TextType: TVSTTextType);
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procedure listColumnsCreateEditor(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex; out EditLink: IVTEditLink);
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procedure treeIndexesInitNode(Sender: TBaseVirtualTree; ParentNode, Node: PVirtualNode; var InitialStates: TVirtualNodeInitStates);
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procedure treeIndexesGetText(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
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var CellText: WideString);
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procedure treeIndexesBeforePaint(Sender: TBaseVirtualTree; TargetCanvas: TCanvas);
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procedure treeIndexesInitChildren(Sender: TBaseVirtualTree; Node: PVirtualNode; var ChildCount: Cardinal);
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procedure treeIndexesGetImageIndex(Sender: TBaseVirtualTree; Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
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var Ghosted: Boolean; var ImageIndex: Integer);
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procedure btnClearIndexesClick(Sender: TObject);
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procedure btnSaveClick(Sender: TObject);
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procedure editNumEditChange(Sender: TObject);
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procedure comboEngineSelect(Sender: TObject);
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procedure listColumnsClick(Sender: TObject);
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procedure listColumnsBeforeCellPaint(Sender: TBaseVirtualTree;
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TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
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CellPaintMode: TVTCellPaintMode; CellRect: TRect; var ContentRect: TRect);
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procedure listColumnsAfterCellPaint(Sender: TBaseVirtualTree;
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TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
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CellRect: TRect);
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procedure btnAddIndexClick(Sender: TObject);
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procedure treeIndexesDragOver(Sender: TBaseVirtualTree; Source: TObject;
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Shift: TShiftState; State: TDragState; Pt: TPoint; Mode: TDropMode;
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var Effect: Integer; var Accept: Boolean);
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procedure treeIndexesDragDrop(Sender: TBaseVirtualTree; Source: TObject;
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DataObject: IDataObject; Formats: TFormatArray; Shift: TShiftState;
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Pt: TPoint; var Effect: Integer; Mode: TDropMode);
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procedure treeIndexesNewText(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex; NewText: WideString);
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procedure treeIndexesEditing(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex; var Allowed: Boolean);
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procedure treeIndexesFocusChanged(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex);
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procedure treeIndexesCreateEditor(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex; out EditLink: IVTEditLink);
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procedure btnMoveUpIndexClick(Sender: TObject);
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procedure btnMoveDownIndexClick(Sender: TObject);
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procedure btnRemoveIndexClick(Sender: TObject);
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procedure menuAddIndexColumnClick(Sender: TObject);
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procedure PageControlMainChange(Sender: TObject);
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procedure chkCharsetConvertClick(Sender: TObject);
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procedure treeIndexesClick(Sender: TObject);
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procedure btnDiscardClick(Sender: TObject);
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private
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{ Private declarations }
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FModified: Boolean;
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FLoaded: Boolean;
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FAlterTableName: WideString;
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CreateCodeValid, AlterCodeValid: Boolean;
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Columns, ColumnNames, ColumnsChanges,
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Indexes, OldIndexes: TWideStringList;
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procedure ColumnsChange(Sender: TObject);
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procedure IndexesChange(Sender: TObject);
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procedure ValidateColumnControls;
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procedure ValidateIndexControls;
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procedure SelectNode(VT: TVirtualStringTree; idx: Cardinal; ParentNode: PVirtualNode=nil);
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procedure MoveFocusedColumn(NewIdx: Cardinal);
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procedure MoveFocusedIndexPart(NewIdx: Cardinal);
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procedure SetModified(Value: Boolean);
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procedure ResetModificationFlags;
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function ComposeCreateStatement: WideString;
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function ComposeAlterStatement: WideString;
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function GetIndexSQL(IndexList: TWideStringlist; idx: Integer): WideString;
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property Modified: Boolean read FModified write SetModified;
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procedure UpdateSQLcode;
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function CellEditingAllowed(Node: PVirtualNode; Column: TColumnIndex): Boolean;
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public
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{ Public declarations }
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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procedure Init(AlterTableName: WideString='');
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end;
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implementation
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uses main, helpers, grideditlinks, mysql_structures;
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const
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PKEY = 'PRIMARY';
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KEY = 'KEY';
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UKEY = 'UNIQUE';
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FKEY = 'FULLTEXT';
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SKEY = 'SPATIAL';
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NotModifiedFlag : Byte = 0;
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ModifiedFlag : Byte = 1;
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{$R *.dfm}
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constructor TfrmTableEditor.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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// Do not set alClient via DFM! In conjunction with ExplicitXXX properties that
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// repeatedly breaks the GUI layout when you reload the project
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Align := alClient;
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PageControlMain.Height := GetRegValue(REGNAME_TABLEEDITOR_TABSHEIGHT, PageControlMain.Height);
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InheritFont(Font);
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FixVT(listColumns);
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FixVT(treeIndexes);
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// Try the best to auto fit various column widths, respecting a custom DPI setting and a pulldown arrow
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listColumns.Header.Columns[2].Width := Mainform.Canvas.TextWidth('GEOMETRYCOLLECTION') + 6*listColumns.TextMargin;
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listColumns.Header.Columns[6].Width := Mainform.Canvas.TextWidth('AUTO_INCREMENT') + 4*listColumns.TextMargin;
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listColumns.Header.Columns[8].Width := Mainform.Canvas.TextWidth('macroman_general_ci') + 6*listColumns.TextMargin;
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// Overide column widths by custom values
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Mainform.RestoreListSetup(listColumns);
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Mainform.RestoreListSetup(treeIndexes);
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comboRowFormat.Items.CommaText := 'DEFAULT,DYNAMIC,FIXED,COMPRESSED,REDUNDANT,COMPACT';
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comboInsertMethod.Items.CommaText := 'NO,FIRST,LAST';
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SynMemoALTERcode.TabWidth := Mainform.SynMemoQuery.TabWidth;
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SynMemoALTERcode.Font.Name := Mainform.SynMemoQuery.Font.Name;
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SynMemoALTERcode.Font.Size := Mainform.SynMemoQuery.Font.Size;
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SynMemoCREATEcode.TabWidth := Mainform.SynMemoQuery.TabWidth;
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SynMemoCREATEcode.Font.Name := Mainform.SynMemoQuery.Font.Name;
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SynMemoCREATEcode.Font.Size := Mainform.SynMemoQuery.Font.Size;
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Columns := TWideStringList.Create;
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Columns.OnChange := ColumnsChange;
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ColumnNames := TWideStringList.Create;
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ColumnsChanges := TWideStringList.Create;
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Indexes := TWideStringList.Create;
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Indexes.OnChange := IndexesChange;
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OldIndexes := TWideStringList.Create;
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end;
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destructor TfrmTableEditor.Destroy;
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begin
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// Store GUI setup
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OpenRegistry;
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MainReg.WriteInteger(REGNAME_TABLEEDITOR_TABSHEIGHT, PageControlMain.Height);
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Mainform.SaveListSetup(listColumns);
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Mainform.SaveListSetup(treeIndexes);
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Inherited;
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end;
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procedure TfrmTableEditor.Init(AlterTableName: WideString='');
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var
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ds: TDataset;
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Props: TWideStringlist;
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IndexType: String;
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LastKeyName, CreateTable, engine, ColSpec: WideString;
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rx, rxCol: TRegExpr;
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i: Integer;
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InLiteral: Boolean;
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ColDefaultType: TColumnDefaultType;
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ColDefaultText: WideString;
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begin
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Mainform.showstatus('Initializing editor ...');
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Screen.Cursor := crHourglass;
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FLoaded := False;
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// Start with "basic" tab activated when just called
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if FAlterTableName <> AlterTableName then
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PageControlMain.ActivePage := tabBasic;
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Mainform.TableEnginesCombo(comboEngine);
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comboCollation.Items.Clear;
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Mainform.GetCollations(comboCollation.Items);
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FAlterTableName := AlterTableName;
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btnClearColumnsClick(Self);
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btnClearIndexesClick(Self);
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tabALTERcode.TabVisible := FAlterTableName <> '';
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if FAlterTableName = '' then begin
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// Creating new table
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editName.Clear;
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Mainform.SetEditorTabCaption(Self, '');
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memoComment.Text := '';
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editAutoInc.Text := '';
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editAvgRowLen.Text := '';
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editMaxRows.Text := '';
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chkChecksum.Checked := False;
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comboRowFormat.ItemIndex := 0;
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comboCollation.ItemIndex := comboCollation.Items.IndexOf(Mainform.GetVar('SHOW VARIABLES LIKE ''collation_database''', 1));
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memoUnionTables.Clear;
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comboInsertMethod.ItemIndex := -1;
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PageControlMain.ActivePage := tabBasic;
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end else begin
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// Editing existing table
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editName.Text := FAlterTableName;
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Mainform.SetEditorTabCaption(Self, FAlterTableName);
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ds := Mainform.GetResults('SHOW TABLE STATUS LIKE '+esc(FAlterTableName));
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memoComment.Text := ds.FieldByName(DBO_COMMENT).AsWideString;
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if ds.FindField(DBO_ENGINE) <> nil then
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engine := ds.FieldByName(DBO_ENGINE).AsString
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else
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engine := ds.FieldByName(DBO_TYPE).AsString;
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comboEngine.ItemIndex := comboEngine.Items.IndexOf(engine);
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if ds.FindField(DBO_COLLATION) <> nil then
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comboCollation.ItemIndex := comboCollation.Items.IndexOf(ds.FieldByName(DBO_COLLATION).AsWideString);
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editAutoInc.Text := ds.FieldByName(DBO_AUTOINC).AsString;
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editAvgRowLen.Text := ds.FieldByName(DBO_AVGROWLEN).AsString;
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comboRowFormat.ItemIndex := comboRowFormat.Items.IndexOf(ds.FieldByName(DBO_ROWFORMAT).AsString);
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FreeAndNil(ds);
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CreateTable := Mainform.GetVar('SHOW CREATE TABLE '+Mainform.mask(FAlterTableName), 1);
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rx := TRegExpr.Create;
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rx.ModifierI := True;
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rx.Expression := '\bUNION=\((.+)\)';
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if rx.Exec(CreateTable) then
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memoUnionTables.Text := rx.Match[1]
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else
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memoUnionTables.Clear;
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listColumns.BeginUpdate;
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rx.ModifierS := False;
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rx.Expression := '\s+`([^`]+)`\s(\w+)(.+)';
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rxCol := TRegExpr.Create;
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rxCol.ModifierI := True;
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if rx.Exec(CreateTable) then while true do begin
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Props := TWideStringlist.Create;
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Props.OnChange := ColumnsChange;
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// Create needed number of property columns
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Props.CommaText := ',,,,,,';
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ColSpec := rx.Match[3];
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// Strip trailing comma
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if ColSpec[Length(ColSpec)] = ',' then
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Delete(ColSpec, Length(ColSpec), 1);
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// Datatype
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Props[0] := UpperCase(rx.Match[2]);
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// Length / Set
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// Various datatypes, e.g. BLOBs, don't have any length property
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InLiteral := False;
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if (ColSpec <> '') and (ColSpec[1] = '(') then begin
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for i:=2 to Length(ColSpec) do begin
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if (ColSpec[i] = ')') and (not InLiteral) then
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break;
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if ColSpec[i] = '''' then
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InLiteral := not InLiteral;
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end;
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Props[1] := Copy(ColSpec, 2, i-2);
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Delete(ColSpec, 1, i);
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end;
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ColSpec := Trim(ColSpec);
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// Unsigned
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if UpperCase(Copy(ColSpec, 1, 8)) = 'UNSIGNED' then begin
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Props[2] := BoolToStr(True);
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Delete(ColSpec, 1, 9);
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end else
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Props[2] := BoolToStr(False);
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// Collation
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rxCol.Expression := '^(CHARACTER SET \w+)?\s+COLLATE (\w+)\b';
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if rxCol.Exec(ColSpec) then begin
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Props[6] := rxCol.Match[2];
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Delete(ColSpec, 1, rxCol.MatchLen[0]+1);
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end;
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// Allow NULL
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if UpperCase(Copy(ColSpec, 1, 8)) = 'NOT NULL' then begin
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Props[3] := BoolToStr(False);
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Delete(ColSpec, 1, 9);
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ColDefaultType := cdtText;
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ColDefaultText := '';
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end else begin
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Props[3] := BoolToStr(True);
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ColDefaultType := cdtNull;
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ColDefaultText := 'NULL';
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end;
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// Default value
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if UpperCase(Copy(ColSpec, 1, 14)) = 'AUTO_INCREMENT' then begin
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ColDefaultType := cdtAutoInc;
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ColDefaultText := 'AUTO_INCREMENT';
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Delete(ColSpec, 1, 15);
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end else if UpperCase(Copy(ColSpec, 1, 8)) = 'DEFAULT ' then begin
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Delete(ColSpec, 1, 8);
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if UpperCase(Copy(ColSpec, 1, 4)) = 'NULL' then begin
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ColDefaultType := cdtNull;
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ColDefaultText := 'NULL';
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Delete(ColSpec, 1, 5);
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end else if UpperCase(Copy(ColSpec, 1, 17)) = 'CURRENT_TIMESTAMP' then begin
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ColDefaultType := cdtCurTS;
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ColDefaultText := 'CURRENT_TIMESTAMP';
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Delete(ColSpec, 1, 18);
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end else if ColSpec[1] = '''' then begin
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InLiteral := True;
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for i:=2 to Length(ColSpec) do begin
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if ColSpec[i] = '''' then
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InLiteral := not InLiteral
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else if not InLiteral then
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break;
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end;
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ColDefaultType := cdtText;
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ColDefaultText := Copy(ColSpec, 2, i-3);
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// A single quote gets escaped by single quote - remove the escape char - escaping is done in Save action afterwards
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ColDefaultText := WideStringReplace(ColDefaultText, '''''', '''', [rfReplaceAll]);
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Delete(ColSpec, 1, i);
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end;
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end;
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if Copy(ColSpec, 1, 27) = 'ON UPDATE CURRENT_TIMESTAMP' then begin
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// Adjust default type
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case ColDefaultType of
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cdtText: ColDefaultType := cdtTextUpdateTS;
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cdtNull: ColDefaultType := cdtNullUpdateTS;
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cdtCurTS: ColDefaultType := cdtCurTSUpdateTS;
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end;
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Delete(ColSpec, 1, 28);
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end;
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Props[4] := IntToStr(Integer(ColDefaultType)) + ColDefaultText;
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// Comment
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if UpperCase(Copy(ColSpec, 1, 9)) = 'COMMENT ''' then begin
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InLiteral := True;
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for i:=10 to Length(ColSpec) do begin
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if ColSpec[i] = '''' then
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InLiteral := not InLiteral
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else if not InLiteral then
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break;
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end;
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Props[5] := Copy(ColSpec, 10, i-11);
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Props[5] := WideStringReplace(Props[5], '''''', '''', [rfReplaceAll]);
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Delete(ColSpec, 1, i);
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end;
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Columns.AddObject(rx.Match[1], Props);
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if not rx.ExecNext then
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break;
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end;
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FreeAndNil(rx);
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FreeAndNil(rxCol);
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listColumns.EndUpdate;
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ds := Mainform.GetResults('SHOW KEYS FROM '+Mainform.mask(FAlterTableName));
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LastKeyName := '';
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Props := nil;
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while not ds.Eof do begin
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if LastKeyName <> ds.FieldByName('Key_name').AsWideString then begin
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Props := TWideStringlist.Create;
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Props.OnChange := IndexesChange;
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IndexType := ds.FieldByName('Key_name').AsString;
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if (ds.FindField('Index_type') <> nil) and (
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(ds.FieldByName('Index_type').AsString = FKEY) or (ds.FieldByName('Index_type').AsString = SKEY)) then
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IndexType := ds.FieldByName('Index_type').AsString
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else if (IndexType <> PKEY) and (ds.FieldByName('Non_unique').AsInteger = 0) then
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IndexType := UKEY
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else if ds.FieldByName('Non_unique').AsInteger = 1 then
|
|
IndexType := KEY;
|
|
Indexes.AddObject(ds.FieldByName('Key_name').AsWideString+REGDELIM+IndexType, Props);
|
|
end;
|
|
Props.Add(ds.FieldByName('Column_name').AsWideString);
|
|
if ds.FieldByName('Sub_part').AsString <> '' then
|
|
Props[Props.Count-1] := Props[Props.Count-1] + '('+ds.FieldByName('Sub_part').AsString+')';
|
|
LastKeyName := ds.FieldByName('Key_name').AsWideString;
|
|
ds.Next;
|
|
end;
|
|
FreeAndNil(ds);
|
|
|
|
end;
|
|
// Validate controls
|
|
ColumnsChange(Self);
|
|
comboEngineSelect(comboEngine);
|
|
ValidateColumnControls;
|
|
ValidateIndexControls;
|
|
ResetModificationFlags;
|
|
// Indicate change mechanisms can call their events now. See Modification().
|
|
FLoaded := True;
|
|
// Empty status panel
|
|
Mainform.showstatus;
|
|
Screen.Cursor := crDefault;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnDiscardClick(Sender: TObject);
|
|
begin
|
|
// Reinit GUI, discarding changes
|
|
Init(FAlterTableName);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnSaveClick(Sender: TObject);
|
|
var
|
|
sql: WideString;
|
|
i: Integer;
|
|
Props: TWideStringlist;
|
|
begin
|
|
// Create or alter table
|
|
if FAlterTableName = '' then
|
|
sql := ComposeCreateStatement
|
|
else
|
|
sql := ComposeAlterStatement;
|
|
Mainform.ExecUpdateQuery(sql);
|
|
// Set table name for altering if Apply was clicked
|
|
FAlterTableName := editName.Text;
|
|
tabALTERcode.TabVisible := FAlterTableName <> '';
|
|
Mainform.SetEditorTabCaption(Self, FAlterTableName);
|
|
Mainform.tabData.TabVisible := True;
|
|
if chkCharsetConvert.Checked then begin
|
|
// Autoadjust column collations
|
|
for i:=0 to Columns.Count-1 do begin
|
|
Props := TWideStringlist(Columns.Objects[i]);
|
|
if Props[6] <> '' then begin
|
|
Props.OnChange := nil;
|
|
Props[6] := comboCollation.Text;
|
|
Props.OnChange := ColumnsChange;
|
|
end;
|
|
end;
|
|
end;
|
|
ResetModificationFlags;
|
|
Mainform.ResetSelectedTableStuff;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.ResetModificationFlags;
|
|
var
|
|
i: Integer;
|
|
Parts: TWideStringlist;
|
|
begin
|
|
// Enable converting data for an existing table
|
|
chkCharsetConvertClick(comboCollation);
|
|
// Assist the user in auto unchecking this checkbox so data doesn't get converted more than once accidently
|
|
chkCharsetConvert.Checked := False;
|
|
// Reset modification flags of TEdits and TMemos
|
|
for i:=0 to ComponentCount-1 do
|
|
Components[i].Tag := NotModifiedFlag;
|
|
// Reset name value pairs for column changes
|
|
ColumnNames.Clear;
|
|
ColumnsChanges.Clear;
|
|
for i:=0 to Columns.Count-1 do
|
|
ColumnNames.Add(Columns[i] + ColumnNames.NameValueSeparator + Columns[i]);
|
|
// Copy index list so we have one to work with and one which can later be used to detect changes
|
|
OldIndexes.Clear;
|
|
for i:=0 to Indexes.Count-1 do begin
|
|
Parts := TWideStringlist.Create;
|
|
Parts.Assign(TWideStringlist(Indexes.Objects[i]));
|
|
OldIndexes.AddObject(Indexes[i], Parts);
|
|
end;
|
|
Modified := False;
|
|
end;
|
|
|
|
|
|
function TfrmTableEditor.ComposeAlterStatement: WideString;
|
|
var
|
|
Specs, Props, IndexesComposed, OldIndexesComposed: TWideStringlist;
|
|
ColSpec, IndexSQL, DefaultText: WideString;
|
|
i, j: Integer;
|
|
AddIt, DropIt: Boolean;
|
|
dt: TDatatype;
|
|
DefaultType: TColumnDefaultType;
|
|
ds: TDataset;
|
|
begin
|
|
// Compose ALTER query, called by buttons and for SQL code tab
|
|
Mainform.showstatus('Composing ALTER statement ...');
|
|
Screen.Cursor := crHourglass;
|
|
Specs := TWideStringlist.Create;
|
|
if editName.Text <> FAlterTableName then
|
|
Specs.Add('RENAME TO ' + Mainform.mask(editName.Text));
|
|
if memoComment.Tag = ModifiedFlag then
|
|
Specs.Add('COMMENT=' + esc(memoComment.Text));
|
|
if (comboCollation.Tag = ModifiedFlag) or (chkCharsetConvert.Checked) then
|
|
Specs.Add('COLLATE=' + comboCollation.Text);
|
|
if comboEngine.Tag = ModifiedFlag then
|
|
Specs.Add('ENGINE=' + comboEngine.Text);
|
|
if comboRowFormat.Tag = ModifiedFlag then
|
|
Specs.Add('ROW_FORMAT=' + comboRowFormat.Text);
|
|
if chkChecksum.Tag = ModifiedFlag then
|
|
Specs.Add('CHECKSUM=' + IntToStr(Integer(chkChecksum.Checked)));
|
|
if editAutoInc.Tag = ModifiedFlag then
|
|
Specs.Add('AUTO_INCREMENT=' + IntToStr(MakeInt(editAutoInc.Text)));
|
|
if editAvgRowLen.Tag = ModifiedFlag then
|
|
Specs.Add('AVG_ROW_LENGTH=' + IntToStr(MakeInt(editAvgRowLen.Text)));
|
|
if editMaxRows.Tag = ModifiedFlag then
|
|
Specs.Add('MAX_ROWS=' + IntToStr(MakeInt(editMaxRows.Text)));
|
|
if memoUnionTables.Enabled and (memoUnionTables.Tag = ModifiedFlag) and (memoUnionTables.Text <> '') then
|
|
Specs.Add('UNION=('+memoUnionTables.Text+')');
|
|
if comboInsertMethod.Enabled and (comboInsertMethod.Tag = ModifiedFlag) and (comboInsertMethod.Text <> '') then
|
|
Specs.Add('INSERT_METHOD='+comboInsertMethod.Text);
|
|
if chkCharsetConvert.Checked then begin
|
|
ds := Mainform.GetCollations;
|
|
while not ds.Eof do begin
|
|
if ds.FieldByName('Collation').AsWideString = comboCollation.Text then begin
|
|
Specs.Add('CONVERT TO CHARSET '+ds.FieldByName('Charset').AsWideString);
|
|
break;
|
|
end;
|
|
ds.Next;
|
|
end;
|
|
end;
|
|
|
|
// Update columns
|
|
EnableProgressBar(Columns.Count + OldIndexes.Count + Indexes.Count);
|
|
for i:=0 to Columns.Count - 1 do begin
|
|
Mainform.ProgressBarStatus.StepIt;
|
|
AddIt := True;
|
|
ColSpec := ' ' + Mainform.mask(Columns[i]);
|
|
Props := TWideStringlist(Columns.Objects[i]);
|
|
ColSpec := ColSpec + ' ' +Props[0];
|
|
if Props[1] <> '' then
|
|
ColSpec := ColSpec + '(' + Props[1] + ')';
|
|
dt := GetDatatypeByName(Props[0]);
|
|
if dt.HasUnsigned and StrToBool(Props[2]) then
|
|
ColSpec := ColSpec + ' UNSIGNED';
|
|
if not StrToBool(Props[3]) then
|
|
ColSpec := ColSpec + ' NOT';
|
|
ColSpec := ColSpec + ' NULL';
|
|
if Props[4] <> '' then begin
|
|
DefaultText := Props[4];
|
|
DefaultType := GetColumnDefaultType(DefaultText);
|
|
ColSpec := ColSpec + ' ' + GetColumnDefaultClause(DefaultType, DefaultText);
|
|
end;
|
|
if Props[5] <> '' then
|
|
ColSpec := ColSpec + ' COMMENT '+esc(Props[5]);
|
|
if Props[6] <> '' then begin
|
|
ColSpec := ColSpec + ' COLLATE ';
|
|
if chkCharsetConvert.Checked then
|
|
ColSpec := ColSpec + comboCollation.Text
|
|
else
|
|
ColSpec := ColSpec + Props[6];
|
|
end;
|
|
// Server version requirement, see http://dev.mysql.com/doc/refman/4.1/en/alter-table.html
|
|
if Mainform.mysql_version >= 40001 then begin
|
|
if i = 0 then
|
|
ColSpec := ColSpec + ' FIRST'
|
|
else
|
|
ColSpec := ColSpec + ' AFTER '+Mainform.mask(Columns[i-1]);
|
|
end;
|
|
for j:=0 to ColumnNames.Count - 1 do begin
|
|
if ColumnNames.ValueFromIndex[j] = Columns[i] then begin
|
|
AddIt := False;
|
|
// Only touch column if it was changed
|
|
if ColumnsChanges.IndexOf(Columns[i]) > -1 then
|
|
Specs.Add('CHANGE COLUMN '+Mainform.mask(ColumnNames.Names[j]) + ColSpec);
|
|
break;
|
|
end;
|
|
end;
|
|
if AddIt then
|
|
Specs.Add('ADD COLUMN '+ColSpec);
|
|
end;
|
|
// Delete columns
|
|
for i:=0 to ColumnNames.Count-1 do begin
|
|
if ColumnNames.ValueFromIndex[i] = '' then
|
|
Specs.Add('DROP COLUMN '+Mainform.mask(ColumnNames.Names[i]));
|
|
end;
|
|
|
|
// Prepare ADD INDEX ... clauses once so we don't call GetIndexSQL() too often
|
|
IndexesComposed := TWideStringlist.Create;
|
|
for i:=0 to Indexes.Count-1 do
|
|
IndexesComposed.Add(GetIndexSQL(Indexes, i));
|
|
OldIndexesComposed := TWideStringlist.Create;
|
|
for i:=0 to OldIndexes.Count-1 do
|
|
OldIndexesComposed.Add(GetIndexSQL(OldIndexes, i));
|
|
// Drop indexes
|
|
for i:=0 to OldIndexesComposed.Count-1 do begin
|
|
Mainform.ProgressBarStatus.StepIt;
|
|
DropIt := IndexesComposed.IndexOf(OldIndexesComposed[i]) = -1;
|
|
if not DropIt then
|
|
Continue;
|
|
IndexSQL := Copy(OldIndexes[i], LastPos(REGDELIM, OldIndexes[i])+1, Length(OldIndexes[i]));
|
|
if IndexSQL = PKEY then
|
|
IndexSQL := 'PRIMARY KEY'
|
|
else
|
|
IndexSQL := 'INDEX ' + Mainform.Mask(Copy(OldIndexes[i], 1, LastPos(REGDELIM, OldIndexes[i])-1));
|
|
Specs.Add('DROP '+IndexSQL);
|
|
end;
|
|
// Add changed or added indexes
|
|
for i:=0 to IndexesComposed.Count-1 do begin
|
|
Mainform.ProgressBarStatus.StepIt;
|
|
if (OldIndexesComposed.IndexOf(IndexesComposed[i]) = -1) and (IndexesComposed[i] <> '') then
|
|
Specs.Add('ADD '+IndexesComposed[i]);
|
|
end;
|
|
|
|
Result := 'ALTER TABLE '+Mainform.mask(FAlterTableName) + CRLF + #9 + ImplodeStr(',' + CRLF + #9, Specs);
|
|
FreeAndNil(Specs);
|
|
FreeAndNil(IndexesComposed);
|
|
FreeAndNil(OldIndexesComposed);
|
|
Mainform.showstatus;
|
|
Mainform.ProgressBarStatus.Hide;
|
|
Screen.Cursor := crDefault;
|
|
end;
|
|
|
|
|
|
function TfrmTableEditor.ComposeCreateStatement: WideString;
|
|
var
|
|
i, IndexCount: Integer;
|
|
ColProps: TWideStringlist;
|
|
dt: TDatatype;
|
|
DefaultType: TColumnDefaultType;
|
|
DefaultText, tmp: WideString;
|
|
begin
|
|
// Compose CREATE query, called by buttons and for SQL code tab
|
|
Result := 'CREATE TABLE '+Mainform.mask(editName.Text)+' ('+CRLF;
|
|
for i:=0 to Columns.Count - 1 do begin
|
|
ColProps := TWideStringlist(Columns.Objects[i]);
|
|
Result := Result + #9 + Mainform.mask(Columns[i]) + ' ' +ColProps[0];
|
|
if ColProps[1] <> '' then
|
|
Result := Result + '(' + ColProps[1] + ')';
|
|
dt := GetDatatypeByName(ColProps[0]);
|
|
if dt.HasUnsigned and StrToBool(ColProps[2]) then
|
|
Result := Result + ' UNSIGNED';
|
|
if not StrToBool(ColProps[3]) then
|
|
Result := Result + ' NOT';
|
|
Result := Result + ' NULL';
|
|
if ColProps[4] <> '' then begin
|
|
DefaultText := ColProps[4];
|
|
DefaultType := GetColumnDefaultType(DefaultText);
|
|
Result := Result + ' ' + GetColumnDefaultClause(DefaultType, DefaultText);
|
|
end;
|
|
if ColProps[5] <> '' then
|
|
Result := Result + ' COMMENT '+esc(ColProps[5]);
|
|
if ColProps[6] <> '' then
|
|
Result := Result + ' COLLATE '+ColProps[6];
|
|
Result := Result + ','+CRLF;
|
|
end;
|
|
|
|
IndexCount := 0;
|
|
for i:=0 to Indexes.Count - 1 do begin
|
|
tmp := GetIndexSQL(Indexes, i);
|
|
if tmp <> '' then begin
|
|
Result := Result + #9 + GetIndexSQL(Indexes, i) + ','+CRLF;
|
|
Inc(IndexCount);
|
|
end;
|
|
end;
|
|
if Columns.Count + IndexCount > 0 then
|
|
Delete(Result, Length(Result)-2, 3);
|
|
|
|
Result := Result + CRLF + ')' + CRLF;
|
|
if memoComment.Text <> '' then
|
|
Result := Result + 'COMMENT='+esc(memoComment.Text) + CRLF;
|
|
if comboCollation.Text <> '' then
|
|
Result := Result + 'COLLATE='+comboCollation.Text + CRLF;
|
|
if comboEngine.Text <> '' then
|
|
Result := Result + 'ENGINE='+comboEngine.Text + CRLF;
|
|
if comboRowFormat.Text <> '' then
|
|
Result := Result + 'ROW_FORMAT='+comboRowFormat.Text + CRLF;
|
|
if chkChecksum.Checked then
|
|
Result := Result + 'CHECKSUM='+IntToStr(Integer(chkChecksum.Checked)) + CRLF;
|
|
if editAutoInc.Text <> '' then
|
|
Result := Result + 'AUTO_INCREMENT='+editAutoInc.Text + CRLF;
|
|
if editAvgRowLen.Text <> '' then
|
|
Result := Result + 'AVG_ROW_LENGTH='+editAvgRowLen.Text + CRLF;
|
|
if editMaxRows.Text <> '' then
|
|
Result := Result + 'MAX_ROWS='+editMaxRows.Text + CRLF;
|
|
if memoUnionTables.Enabled and (memoUnionTables.Text <> '') then
|
|
Result := Result + 'UNION=('+memoUnionTables.Text+')' + CRLF;
|
|
if comboInsertMethod.Enabled and (comboInsertMethod.Text <> '') then
|
|
Result := Result + 'INSERT_METHOD='+comboInsertMethod.Text + CRLF;
|
|
|
|
end;
|
|
|
|
|
|
function TfrmTableEditor.GetIndexSQL(IndexList: TWideStringlist; idx: Integer): WideString;
|
|
var
|
|
IndexName, IndexType, ColName: WideString;
|
|
Parts: TWideStringlist;
|
|
i, p: Integer;
|
|
begin
|
|
Result := '';
|
|
Parts := TWideStringlist(IndexList.Objects[idx]);
|
|
// Supress SQL error trying index creation with 0 column
|
|
if Parts.Count = 0 then
|
|
Exit;
|
|
IndexName := Copy(IndexList[idx], 1, LastPos(REGDELIM, IndexList[idx])-1);
|
|
IndexType := Copy(IndexList[idx], LastPos(REGDELIM, IndexList[idx])+1, Length(IndexList[idx]));
|
|
if IndexType = PKEY then
|
|
Result := Result + 'PRIMARY KEY '
|
|
else begin
|
|
if IndexType <> KEY then
|
|
Result := Result + IndexType + ' ';
|
|
Result := Result + 'INDEX ' + Mainform.Mask(IndexName) + ' ';
|
|
end;
|
|
Result := Result + '(';
|
|
for i:=0 to Parts.Count - 1 do begin
|
|
ColName := Parts[i];
|
|
p := LastPos('(', ColName);
|
|
if p > 1 then
|
|
Result := Result + Mainform.Mask(Copy(ColName, 1, p-1)) + Copy(ColName, p, Length(ColName)-p+1)
|
|
else
|
|
Result := Result + Mainform.Mask(ColName);
|
|
Result := Result + ', ';
|
|
end;
|
|
if Parts.Count > 0 then
|
|
Delete(Result, Length(Result)-1, 2);
|
|
|
|
Result := Result + ')';
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.editNameChange(Sender: TObject);
|
|
begin
|
|
// Name edited
|
|
editName.Font.Color := clWindowText;
|
|
editName.Color := clWindow;
|
|
try
|
|
ensureValidIdentifier( editName.Text );
|
|
except
|
|
// Invalid name
|
|
if editName.Text <> '' then begin
|
|
editName.Font.Color := clRed;
|
|
editName.Color := clYellow;
|
|
end;
|
|
end;
|
|
Modification(Sender);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.Modification(Sender: TObject);
|
|
begin
|
|
// Memorize modified status
|
|
if FLoaded then begin
|
|
if Sender is TComponent then
|
|
TComponent(Sender).Tag := ModifiedFlag;
|
|
Modified := True;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnAddColumnClick(Sender: TObject);
|
|
var
|
|
DefProperties, Properties: TWideStringList;
|
|
fn: PVirtualNode;
|
|
idx: Integer;
|
|
begin
|
|
// Add new column after selected one
|
|
fn := listColumns.FocusedNode;
|
|
Properties := TWideStringList.Create;
|
|
Properties.OnChange := ColumnsChange;
|
|
if Assigned(fn) then begin
|
|
idx := fn.Index+1;
|
|
// Copy properties from focused node
|
|
DefProperties := TWideStringlist(Columns.Objects[fn.Index]);
|
|
Properties.Assign(DefProperties);
|
|
end else begin
|
|
idx := Columns.Count;
|
|
Properties.CommaText := 'INT,10,'+BoolToStr(False)+','+BoolToStr(True)+','+IntToStr(Integer(cdtNull))+'NULL,,';
|
|
end;
|
|
Columns.InsertObject(idx, 'Column '+IntToStr(idx+1), Properties);
|
|
SelectNode(listColumns, idx);
|
|
listColumns.EditNode(listColumns.FocusedNode, 1);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnRemoveColumnClick(Sender: TObject);
|
|
var
|
|
i: Integer;
|
|
n: PVirtualNode;
|
|
begin
|
|
// Remove selected column
|
|
n := listColumns.FocusedNode;
|
|
for i:=0 to ColumnNames.Count-1 do begin
|
|
if ColumnNames.ValueFromIndex[i] = Columns[n.Index] then begin
|
|
ColumnNames[i] := ColumnNames.Names[i] + ColumnNames.NameValueSeparator;
|
|
break;
|
|
end;
|
|
end;
|
|
Columns.Delete(n.Index);
|
|
if (not Assigned(n)) and (Columns.Count > 0) then
|
|
SelectNode(listColumns, Columns.Count-1);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnClearColumnsClick(Sender: TObject);
|
|
var i: Integer;
|
|
begin
|
|
// Set empty values in changelist
|
|
for i:=0 to ColumnNames.Count - 1 do
|
|
ColumnNames[i] := ColumnNames.Names[i] + ColumnNames.NameValueSeparator;
|
|
// Column data gets freed below - end any editor which could cause AV's
|
|
if listColumns.IsEditing then
|
|
listColumns.CancelEditNode;
|
|
// I suspect Columns.Clear to be silly enough and leave its objects in memory,
|
|
// so we'll free them explicitely
|
|
for i := 0 to Columns.Count - 1 do
|
|
Columns.Objects[i].Free;
|
|
Columns.Clear;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnMoveUpColumnClick(Sender: TObject);
|
|
begin
|
|
// Move column up
|
|
MoveFocusedColumn(listColumns.FocusedNode.Index-1);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnMoveDownColumnClick(Sender: TObject);
|
|
begin
|
|
// Move column down
|
|
MoveFocusedColumn(listColumns.FocusedNode.Index+1);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsDragOver(Sender: TBaseVirtualTree;
|
|
Source: TObject; Shift: TShiftState; State: TDragState; Pt: TPoint;
|
|
Mode: TDropMode; var Effect: Integer; var Accept: Boolean);
|
|
begin
|
|
Accept := (Source = Sender) and (Mode <> dmNowhere);
|
|
// Not sure what this effect does, probably show a specific mouse cursor?
|
|
Effect := DROPEFFECT_MOVE;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsDragDrop(Sender: TBaseVirtualTree;
|
|
Source: TObject; DataObject: IDataObject; Formats: TFormatArray;
|
|
Shift: TShiftState; Pt: TPoint; var Effect: Integer; Mode: TDropMode);
|
|
var
|
|
Node: PVirtualNode;
|
|
begin
|
|
Node := Sender.GetNodeAt(Pt.X, Pt.Y);
|
|
if Assigned(Node) then
|
|
MoveFocusedColumn(Node.Index);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsBeforeCellPaint(Sender: TBaseVirtualTree;
|
|
TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
|
|
CellPaintMode: TVTCellPaintMode; CellRect: TRect; var ContentRect: TRect);
|
|
begin
|
|
// Darken cell background to signalize it doesn't allow length/set
|
|
// Exclude non editable checkbox columns - grey looks ugly there.
|
|
if (not CellEditingAllowed(Node, Column)) and (not (Column in [4, 5])) then begin
|
|
TargetCanvas.Brush.Color := clBtnFace;
|
|
TargetCanvas.FillRect(CellRect);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsAfterCellPaint(Sender: TBaseVirtualTree;
|
|
TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
|
|
CellRect: TRect);
|
|
var
|
|
Props: TWideStringlist;
|
|
ImageIndex, X, Y: Integer;
|
|
VT: TVirtualStringTree;
|
|
begin
|
|
// Paint checkbox image in certain columns
|
|
// while restricting "Allow NULL" checkbox to numeric datatypes
|
|
if (Column in [4, 5]) and CellEditingAllowed(Node, Column) then begin
|
|
Props := TWideStringlist(Columns.Objects[Node.Index]);
|
|
if StrToBool(Props[Column-2]) then ImageIndex := 128
|
|
else ImageIndex := 127;
|
|
VT := TVirtualStringTree(Sender);
|
|
X := CellRect.Left + (VT.Header.Columns[Column].Width div 2) - (VT.Images.Width div 2);
|
|
Y := CellRect.Top + Integer(VT.NodeHeight[Node] div 2) - (VT.Images.Height div 2);
|
|
VT.Images.Draw(TargetCanvas, X, Y, ImageIndex);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsBeforePaint(Sender: TBaseVirtualTree;
|
|
TargetCanvas: TCanvas);
|
|
var
|
|
VT: TVirtualStringTree;
|
|
OldNodeCount: Cardinal;
|
|
begin
|
|
// (Re)paint column list. Adjust number of nodes and autofit both counter and name column.
|
|
VT := Sender as TVirtualStringTree;
|
|
OldNodeCount := VT.RootNodeCount;
|
|
VT.RootNodeCount := Columns.Count;
|
|
if OldNodeCount <> VT.RootNodeCount then
|
|
VT.Header.AutoFitColumns(False, smaUseColumnOption, 0, 1);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsFocusChanged(Sender: TBaseVirtualTree;
|
|
Node: PVirtualNode; Column: TColumnIndex);
|
|
begin
|
|
// Column focus changed
|
|
ValidateColumnControls;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.ValidateColumnControls;
|
|
var Node: PVirtualNode;
|
|
begin
|
|
Node := listColumns.FocusedNode;
|
|
btnRemoveColumn.Enabled := Assigned(Node);
|
|
btnClearColumns.Enabled := Columns.Count > 0;
|
|
btnMoveUpColumn.Enabled := Assigned(Node) and (Node <> listColumns.GetFirst);
|
|
btnMoveDownColumn.Enabled := Assigned(Node) and (Node <> listColumns.GetLast);
|
|
|
|
menuRemoveColumn.Enabled := btnRemoveColumn.Enabled;
|
|
menuClearColumns.Enabled := btnClearColumns.Enabled;
|
|
menuMoveUpColumn.Enabled := btnMoveUpColumn.Enabled;
|
|
menuMoveDownColumn.Enabled := btnMoveDownColumn.Enabled;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsEditing(Sender: TBaseVirtualTree;
|
|
Node: PVirtualNode; Column: TColumnIndex; var Allowed: Boolean);
|
|
begin
|
|
// Allow text editing? Explicitely block that in checkbox columns
|
|
Allowed := CellEditingAllowed(Node, Column) and (not (Column in [4,5]));
|
|
end;
|
|
|
|
|
|
function TfrmTableEditor.CellEditingAllowed(Node: PVirtualNode; Column: TColumnIndex): Boolean;
|
|
var
|
|
Props: TWideStringlist;
|
|
dt: TDatatype;
|
|
begin
|
|
Props := TWideStringlist(Columns.Objects[Node.Index]);
|
|
dt := GetDatatypeByName(Props[0]);
|
|
case Column of
|
|
// No editor for very first column and checkbox columns
|
|
0: Result := False;
|
|
3: Result := dt.HasLength;
|
|
4: Result := dt.HasUnsigned;
|
|
// No editing of collation allowed if "Convert data" was checked
|
|
8: Result := not chkCharsetConvert.Checked;
|
|
else Result := True;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsGetText(Sender: TBaseVirtualTree;
|
|
Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
|
|
var CellText: WideString);
|
|
var
|
|
Properties: TWideStringList;
|
|
begin
|
|
// Display column text
|
|
case Column of
|
|
0: CellText := IntToStr(Node.Index+1);
|
|
1: CellText := Columns[Node.Index];
|
|
4, 5: CellText := ''; // Checkbox
|
|
else begin
|
|
Properties := TWideStringList(Columns.Objects[Node.Index]);
|
|
CellText := Properties[Column-2];
|
|
if (Column = 8) and (CellText <> '') and (chkCharsetConvert.Checked) then
|
|
CellText := comboCollation.Text;
|
|
end;
|
|
end;
|
|
if Column = 6 then
|
|
CellText := Copy(CellText, 2, Length(CellText)-1);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsPaintText(Sender: TBaseVirtualTree;
|
|
const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
|
|
TextType: TVSTTextType);
|
|
var
|
|
Default: WideString;
|
|
TextColor: TColor;
|
|
dt: TDatatype;
|
|
Props: TWideStringlist;
|
|
begin
|
|
// Give datatype column specific color, as set in preferences
|
|
if vsSelected in Node.States then
|
|
Exit;
|
|
if not (Column in [2, 6]) then
|
|
Exit;
|
|
|
|
Props := TWideStringlist(Columns.Objects[Node.Index]);
|
|
dt := GetDatatypeByName(Props[0]);
|
|
Default := Props[4];
|
|
TextColor := TargetCanvas.Font.Color;
|
|
|
|
case Column of
|
|
2: TextColor := DatatypeCategories[Integer(dt.Category)].Color;
|
|
|
|
6: case GetColumnDefaultType(Default) of
|
|
cdtNull, cdtNullUpdateTS:
|
|
TextColor := DatatypeCategories[Integer(dt.Category)].NullColor;
|
|
cdtCurTS, cdtCurTSUpdateTS:
|
|
TextColor := DatatypeCategories[Integer(dtcTemporal)].Color;
|
|
cdtAutoInc:
|
|
TextColor := clNavy;
|
|
end;
|
|
end;
|
|
|
|
TargetCanvas.Font.Color := TextColor;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsNewText(Sender: TBaseVirtualTree;
|
|
Node: PVirtualNode; Column: TColumnIndex; NewText: WideString);
|
|
var
|
|
Properties: TWideStringList;
|
|
idx, i: Integer;
|
|
dt: TDatatype;
|
|
begin
|
|
// Column property edited
|
|
if Column = 1 then begin
|
|
idx := Columns.IndexOf(NewText);
|
|
if (idx > -1) and (idx <> Integer(Node.Index)) then begin
|
|
MessageDlg('Column "'+NewText+'" already exists.', mtError, [mbOk], 0);
|
|
Sender.EditNode(Node, Column);
|
|
Exit;
|
|
end;
|
|
|
|
for i:=0 to ColumnNames.Count -1 do begin
|
|
if ColumnNames.ValueFromIndex[i] = Columns[Node.Index] then begin
|
|
ColumnNames.ValueFromIndex[i] := NewText;
|
|
break;
|
|
end;
|
|
end;
|
|
|
|
ColumnsChanges.Add(NewText);
|
|
Columns[Node.Index] := NewText;
|
|
end else if Column > 1 then begin
|
|
ColumnsChanges.Add(Columns[Node.Index]);
|
|
Properties := TWideStringList(Columns.Objects[Node.Index]);
|
|
Properties[Column-2] := NewText;
|
|
if Column = 2 then begin
|
|
dt := GetDatatypeByName(NewText);
|
|
// Reset length/set for column types which don't support that
|
|
if not dt.HasLength then
|
|
Properties[1] := '';
|
|
// Suggest length/set if required
|
|
if dt.RequiresLength and (Properties[1] = '') then
|
|
Properties[1] := dt.DefLengthSet;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsClick(Sender: TObject);
|
|
var
|
|
VT: TVirtualStringTree;
|
|
Props: TWideStringlist;
|
|
Click: THitInfo;
|
|
Default: WideString;
|
|
begin
|
|
// Handle click event
|
|
VT := Sender as TVirtualStringTree;
|
|
VT.GetHitTestInfoAt(Mouse.CursorPos.X-VT.ClientOrigin.X, Mouse.CursorPos.Y-VT.ClientOrigin.Y, True, Click);
|
|
if not Assigned(Click.HitNode) then
|
|
Exit;
|
|
if Click.HitColumn in [4, 5] then begin
|
|
// For checkboxes, cell editors are disabled, instead toggle their state
|
|
Props := TWideStringList(Columns.Objects[Click.HitNode.Index]);
|
|
if CellEditingAllowed(Click.HitNode, Click.HitColumn) then begin
|
|
ColumnsChanges.Add(Columns[Click.HitNode.Index]);
|
|
Props[Click.HitColumn-2] := BoolToStr(not StrToBool(Props[Click.HitColumn-2]));
|
|
// Switch default value from NULL to Text if Allow Null is off
|
|
if (Click.HitColumn = 5) and (not StrToBool(Props[Click.HitColumn-2])) then begin
|
|
Default := Props[4];
|
|
if GetColumnDefaultType(Default) in [cdtNull, cdtNullUpdateTS] then
|
|
Props[4] := IntToStr(Integer(cdtText));
|
|
end;
|
|
VT.InvalidateNode(Click.HitNode);
|
|
end;
|
|
end else begin
|
|
// All other cells go into edit mode please
|
|
// Explicitely done on OnClick, not in OnFocusChanged which seemed annoying for keyboard users
|
|
if Assigned(Click.HitNode) and (Click.HitColumn > NoColumn) then
|
|
VT.EditNode(Click.HitNode, Click.HitColumn);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.listColumnsCreateEditor(Sender: TBaseVirtualTree;
|
|
Node: PVirtualNode; Column: TColumnIndex; out EditLink: IVTEditLink);
|
|
var
|
|
VT: TVirtualStringTree;
|
|
EnumEditor: TEnumEditorLink;
|
|
DefaultEditor: TColumnDefaultEditorLink;
|
|
DatatypeEditor: TDatatypeEditorLink;
|
|
Props: TWideStringlist;
|
|
begin
|
|
// Start cell editor
|
|
VT := Sender as TVirtualStringTree;
|
|
case Column of
|
|
2: begin // Datatype pulldown
|
|
DatatypeEditor := TDatatypeEditorLink.Create(VT);
|
|
DatatypeEditor.Datatype := dtDateTime;
|
|
EditLink := DataTypeEditor;
|
|
end;
|
|
8: begin // Collation pulldown
|
|
EnumEditor := TEnumEditorLink.Create(VT);
|
|
EnumEditor.ValueList := TWideStringList.Create;
|
|
Mainform.GetCollations(EnumEditor.ValueList);
|
|
EditLink := EnumEditor;
|
|
end;
|
|
6: begin
|
|
DefaultEditor := TColumnDefaultEditorLink.Create(VT);
|
|
Props := TWideStringlist(Columns.Objects[Node.Index]);
|
|
DefaultEditor.DefaultText := Props[Column-2];
|
|
DefaultEditor.DefaultType := GetColumnDefaultType(DefaultEditor.DefaultText);
|
|
EditLink := DefaultEditor;
|
|
end
|
|
else
|
|
EditLink := TStringEditLink.Create
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.SetModified(Value: Boolean);
|
|
begin
|
|
// Some value has changed
|
|
FModified := Value;
|
|
btnSave.Enabled := FModified;
|
|
btnDiscard.Enabled := FModified;
|
|
CreateCodeValid := False;
|
|
AlterCodeValid := False;
|
|
UpdateSQLcode;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.ColumnsChange(Sender: TObject);
|
|
begin
|
|
Modification(Sender);
|
|
listColumns.Repaint;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.SelectNode(VT: TVirtualStringTree; idx: Cardinal; ParentNode: PVirtualNode=nil);
|
|
var Node: PVirtualNode;
|
|
begin
|
|
// Helper to focus and highlight a node by its index
|
|
if Assigned(ParentNode) then
|
|
Node := VT.GetFirstChild(ParentNode)
|
|
else
|
|
Node := VT.GetFirst;
|
|
while Assigned(Node) do begin
|
|
if Node.Index = idx then begin
|
|
VT.FocusedNode := Node;
|
|
VT.Selected[Node] := True;
|
|
break;
|
|
end;
|
|
Node := VT.GetNextSibling(Node);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.MoveFocusedColumn(NewIdx: Cardinal);
|
|
begin
|
|
if listColumns.IsEditing then
|
|
listColumns.EndEditNode;
|
|
listColumns.FocusedColumn := listColumns.Header.MainColumn;
|
|
ColumnsChanges.Add(Columns[listColumns.FocusedNode.Index]);
|
|
Columns.Move(listColumns.FocusedNode.Index, NewIdx);
|
|
SelectNode(listColumns, NewIdx);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.editNumEditChange(Sender: TObject);
|
|
var
|
|
ed: TEdit;
|
|
ShouldBe: String;
|
|
CursorPos: Integer;
|
|
begin
|
|
// Only numbers allowed in this TEdit
|
|
Modification(Sender);
|
|
ed := Sender as TEdit;
|
|
ShouldBe := IntToStr(Makeint(ed.Text));
|
|
if (ed.Text = ShouldBe) or (ed.Text = '') then Exit;
|
|
MessageBeep(MB_ICONEXCLAMATION);
|
|
CursorPos := ed.SelStart;
|
|
ed.OnChange := nil;
|
|
ed.Text := ShouldBe;
|
|
ed.SelStart := CursorPos;
|
|
ed.OnChange := editNumEditChange;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.comboEngineSelect(Sender: TObject);
|
|
var
|
|
IsMerge: Boolean;
|
|
begin
|
|
// Enable/disable engine specific option controls
|
|
IsMerge := (Sender as TComboBox).Text = 'MRG_MYISAM';
|
|
memoUnionTables.Enabled := IsMerge;
|
|
comboInsertMethod.Enabled := IsMerge;
|
|
Modification(Sender);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.IndexesChange(Sender: TObject);
|
|
begin
|
|
Modification(Sender);
|
|
treeIndexes.Invalidate;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnAddIndexClick(Sender: TObject);
|
|
var
|
|
IndexParts: TWideStringlist;
|
|
Name: WideString;
|
|
begin
|
|
// Add new index
|
|
IndexParts := TWideStringlist.Create;
|
|
IndexParts.OnChange := IndexesChange;
|
|
Name := 'Index '+IntToStr(Indexes.Count+1);
|
|
Indexes.AddObject(Name+REGDELIM+KEY, IndexParts);
|
|
SelectNode(treeIndexes, Indexes.Count-1);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.menuAddIndexColumnClick(Sender: TObject);
|
|
var
|
|
IndexParts: TWideStringlist;
|
|
Node: PVirtualNode;
|
|
i, j, p: Integer;
|
|
Col, NewCol: WideString;
|
|
ColExists: Boolean;
|
|
begin
|
|
// Add column to index
|
|
Node := treeIndexes.FocusedNode;
|
|
if not Assigned(Node) then
|
|
Exit;
|
|
if treeIndexes.GetNodeLevel(Node) = 1 then
|
|
Node := Node.Parent;
|
|
IndexParts := TWideStringlist(Indexes.Objects[Node.Index]);
|
|
ColExists := False;
|
|
NewCol := '';
|
|
for i:=0 to Columns.Count - 1 do begin
|
|
for j:=0 to IndexParts.Count - 1 do begin
|
|
Col := IndexParts[j];
|
|
p := LastPos('(', Col);
|
|
if p > 0 then
|
|
Col := Copy(Col, 0, p-1);
|
|
ColExists := Col = Columns[i];
|
|
if ColExists then
|
|
break;
|
|
end;
|
|
if not ColExists then begin
|
|
NewCol := Columns[i];
|
|
break;
|
|
end;
|
|
end;
|
|
treeIndexes.AddChild(Node);
|
|
IndexParts.Add(NewCol);
|
|
SelectNode(treeIndexes, IndexParts.Count-1, Node);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnRemoveIndexClick(Sender: TObject);
|
|
var
|
|
IndexParts: TWideStringlist;
|
|
idx: Integer;
|
|
NewSelectNode: PVirtualNode;
|
|
begin
|
|
// Remove index or part
|
|
case treeIndexes.GetNodeLevel(treeIndexes.FocusedNode) of
|
|
0: begin
|
|
idx := treeIndexes.FocusedNode.Index;
|
|
Indexes.Objects[idx].Free;
|
|
Indexes.Delete(idx);
|
|
end;
|
|
1: begin
|
|
idx := treeIndexes.FocusedNode.Parent.Index;
|
|
IndexParts := TWideStringlist(Indexes.Objects[idx]);
|
|
IndexParts.Delete(treeIndexes.FocusedNode.Index);
|
|
treeIndexes.DeleteNode(treeIndexes.FocusedNode);
|
|
end;
|
|
end;
|
|
NewSelectNode := treeIndexes.GetPreviousVisible(treeIndexes.FocusedNode);
|
|
if Assigned(NewSelectNode) then
|
|
SelectNode(treeIndexes, NewSelectNode.Index, NewSelectNode.Parent);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.btnClearIndexesClick(Sender: TObject);
|
|
var i: Integer;
|
|
begin
|
|
// Clear all indexes
|
|
// Column data gets freed below - end any editor which could cause AV's
|
|
if treeIndexes.IsEditing then
|
|
treeIndexes.CancelEditNode;
|
|
for i := 0 to Indexes.Count - 1 do
|
|
Indexes.Objects[i].Free;
|
|
Indexes.Clear;
|
|
treeIndexes.Clear;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.treeIndexesGetImageIndex(Sender: TBaseVirtualTree;
|
|
Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
|
|
var Ghosted: Boolean; var ImageIndex: Integer);
|
|
var
|
|
IndexType: String;
|
|
VT: TVirtualStringTree;
|
|
begin
|
|
// Icon image showing type of index
|
|
VT := Sender as TVirtualStringTree;
|
|
if Column <> 0 then
|
|
Exit;
|
|
case VT.GetNodeLevel(Node) of
|
|
0: begin
|
|
IndexType := VT.Text[Node, 1];
|
|
if IndexType = PKEY then ImageIndex := ICONINDEX_PRIMARYKEY
|
|
else if IndexType = KEY then ImageIndex := ICONINDEX_INDEXKEY
|
|
else if IndexType = UKEY then ImageIndex := ICONINDEX_UNIQUEKEY
|
|
else if IndexType = FKEY then ImageIndex := ICONINDEX_FULLTEXTKEY
|
|
else if IndexType = SKEY then ImageIndex := ICONINDEX_SPATIALKEY;
|
|
end;
|
|
1: ImageIndex := 42;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.treeIndexesGetText(Sender: TBaseVirtualTree;
|
|
Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
|
|
var CellText: WideString);
|
|
var
|
|
IndexProps: TWideStringlist;
|
|
IndexType: WideString;
|
|
begin
|
|
// Index tree showing cell text
|
|
case Sender.GetNodeLevel(Node) of
|
|
0: begin
|
|
IndexType := Copy(Indexes[Node.Index], LastPos(REGDELIM, Indexes[Node.Index])+1, Length(Indexes[Node.Index]));
|
|
case Column of
|
|
0: if IndexType = PKEY then
|
|
CellText := IndexType + ' KEY' // Fixed name "PRIMARY KEY", cannot be changed
|
|
else
|
|
CellText := Copy(Indexes[Node.Index], 1, LastPos(REGDELIM, Indexes[Node.Index])-1);
|
|
1: CellText := IndexType;
|
|
end;
|
|
end;
|
|
1: case Column of
|
|
0: begin
|
|
IndexProps := TWideStringlist(Indexes.Objects[Node.Parent.Index]);
|
|
CellText := IndexProps[Node.Index];
|
|
end;
|
|
else CellText := '';
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.treeIndexesInitChildren(Sender: TBaseVirtualTree;
|
|
Node: PVirtualNode; var ChildCount: Cardinal);
|
|
var
|
|
IndexParts: TWideStringlist;
|
|
begin
|
|
// Tell number of columns contained in index
|
|
IndexParts := TWideStringlist(Indexes.Objects[Node.Index]);
|
|
ChildCount := IndexParts.Count;
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.treeIndexesInitNode(Sender: TBaseVirtualTree;
|
|
ParentNode, Node: PVirtualNode; var InitialStates: TVirtualNodeInitStates);
|
|
begin
|
|
// Show plus sign on first level nodes
|
|
if Sender.GetNodeLevel(Node) = 0 then
|
|
Include( InitialStates, ivsHasChildren);
|
|
end;
|
|
|
|
|
|
procedure TfrmTableEditor.treeIndexesFocusChanged(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex);
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begin
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ValidateIndexControls;
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end;
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procedure TfrmTableEditor.treeIndexesClick(Sender: TObject);
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var
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VT: TVirtualStringTree;
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Click: THitInfo;
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begin
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// Handle click event
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VT := Sender as TVirtualStringTree;
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VT.GetHitTestInfoAt(Mouse.CursorPos.X-VT.ClientOrigin.X, Mouse.CursorPos.Y-VT.ClientOrigin.Y, True, Click);
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if Assigned(Click.HitNode) then
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VT.EditNode(Click.HitNode, Click.HitColumn);
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end;
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procedure TfrmTableEditor.ValidateIndexControls;
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var
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Node: PVirtualNode;
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HasNode: Boolean;
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Level: Integer;
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begin
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// Enable/disable buttons
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Node := treeIndexes.FocusedNode;
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HasNode := Assigned(Node);
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if HasNode then Level := treeIndexes.GetNodeLevel(Node)
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else Level := -1;
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btnRemoveIndex.Enabled := HasNode;
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btnClearIndexes.Enabled := Indexes.Count > 0;
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btnMoveUpIndex.Enabled := HasNode and (Level = 1) and (Node <> treeIndexes.GetFirstChild(Node.Parent));
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btnMoveDownIndex.Enabled := HasNode and (Level = 1) and (Node <> treeIndexes.GetLastChild(Node.Parent));
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menuAddIndexColumn.Enabled := HasNode;
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menuRemoveIndex.Enabled := btnRemoveIndex.Enabled;
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menuClearIndexes.Enabled := btnClearIndexes.Enabled;
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menuMoveUpIndex.Enabled := btnMoveUpIndex.Enabled;
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menuMoveDownIndex.Enabled := btnMoveDownIndex.Enabled;
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end;
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procedure TfrmTableEditor.treeIndexesEditing(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; var Allowed: Boolean);
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var
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VT: TVirtualStringtree;
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begin
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// Disallow renaming primary key
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VT := Sender as TVirtualStringtree;
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if (VT.GetNodeLevel(Node) = 0) and (Column = VT.Header.MainColumn) and (VT.Text[Node, Column+1] = PKEY) then
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Allowed := False
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else if (VT.GetNodeLevel(Node) = 1) and (Column = 1) then
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Allowed := False
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else
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Allowed := True;
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end;
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procedure TfrmTableEditor.treeIndexesCreateEditor(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; out EditLink: IVTEditLink);
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var
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VT: TVirtualStringTree;
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EnumEditor: TEnumEditorLink;
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Level: Cardinal;
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begin
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// Start cell editor
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VT := Sender as TVirtualStringTree;
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Level := (Sender as TVirtualStringtree).GetNodeLevel(Node);
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if (Level = 0) and (Column = 1) then begin
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// Index type pulldown
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EnumEditor := TEnumEditorLink.Create(VT);
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EnumEditor.ValueList := TWideStringList.Create;
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EnumEditor.ValueList.CommaText := PKEY +','+ KEY +','+ UKEY +','+ FKEY +','+ SKEY;
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EditLink := EnumEditor;
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end else if (Level = 1) and (Column = 0) then begin
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// Column names pulldown
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EnumEditor := TEnumEditorLink.Create(VT);
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EnumEditor.ValueList := Columns;
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EnumEditor.AllowCustomText := True; // Allows adding a subpart in index parts: "TextCol(20)"
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EditLink := EnumEditor;
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end else
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EditLink := TStringEditLink.Create
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end;
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procedure TfrmTableEditor.treeIndexesNewText(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; NewText: WideString);
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var
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VT: TVirtualStringtree;
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IndexParts: TWideStringlist;
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begin
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// Rename index of column
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VT := Sender as TVirtualStringtree;
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case VT.GetNodeLevel(Node) of
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0: case Column of
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0: Indexes[Node.Index] := NewText + REGDELIM + VT.Text[Node, Column+1];
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1: Indexes[Node.Index] := VT.Text[Node, Column-1] + REGDELIM + NewText;
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end;
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1: begin
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IndexParts := TWideStringlist(Indexes.Objects[Node.Parent.Index]);
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IndexParts[Node.Index] := NewText;
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end;
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end;
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VT.RepaintNode(Node);
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end;
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procedure TfrmTableEditor.treeIndexesBeforePaint(Sender: TBaseVirtualTree;
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TargetCanvas: TCanvas);
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begin
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// (Re)paint index list
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(Sender as TVirtualStringTree).RootNodeCount := Indexes.Count;
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end;
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procedure TfrmTableEditor.treeIndexesDragOver(Sender: TBaseVirtualTree;
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Source: TObject; Shift: TShiftState; State: TDragState; Pt: TPoint;
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Mode: TDropMode; var Effect: Integer; var Accept: Boolean);
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var
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Node: PVirtualNode;
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begin
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// Accept nodes from the column list and allow column moving
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if Source = listColumns then begin
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Accept := True;
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Exit;
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end else if Source = Sender then begin
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Node := Sender.GetNodeAt(Pt.X, Pt.Y);
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Accept := Assigned(Node) and (Sender.GetNodeLevel(Node) = 1) and
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(Node <> Sender.FocusedNode) and (Node.Parent = Sender.FocusedNode.Parent);
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end;
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end;
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procedure TfrmTableEditor.treeIndexesDragDrop(Sender: TBaseVirtualTree;
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Source: TObject; DataObject: IDataObject; Formats: TFormatArray;
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Shift: TShiftState; Pt: TPoint; var Effect: Integer; Mode: TDropMode);
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var
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Node: PVirtualNode;
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IndexParts: TWideStringlist;
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ColName: WideString;
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ColPos: Integer;
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VT: TVirtualStringtree;
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begin
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// Column node dropped here
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VT := Sender as TVirtualStringtree;
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Node := VT.GetNodeAt(Pt.X, Pt.Y);
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if not Assigned(Node) then begin
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MessageBeep(MB_ICONEXCLAMATION);
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Exit;
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end;
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if VT.GetNodeLevel(Node) = 1 then begin
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ColPos := Node.Index;
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if Mode = dmBelow then Inc(ColPos);
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Node := Node.Parent;
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end else
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ColPos := MaxInt;
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if Source = Sender then
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MoveFocusedIndexPart(ColPos)
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else begin
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IndexParts := TWideStringlist(Indexes.Objects[Node.Index]);
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ColName := Columns[(Source as TVirtualStringTree).FocusedNode.Index];
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if IndexParts.IndexOf(ColName) > -1 then begin
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if MessageDlg('Index "'+VT.Text[Node, 0]+'" already contains the column "'+ColName+'". It is possible to add a column twice into a index, but total nonsense in practice.'+CRLF+CRLF+'Add anyway?',
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mtConfirmation, [mbYes, mbNo], 0) = mrNo then
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Exit;
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end;
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if ColPos >= IndexParts.Count then
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IndexParts.Add(ColName)
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else
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IndexParts.Insert(ColPos, ColName);
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Node.States := Node.States + [vsHasChildren, vsExpanded];
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end;
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// Finally tell parent node to update its children
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VT.ReinitChildren(Node, False);
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end;
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procedure TfrmTableEditor.btnMoveUpIndexClick(Sender: TObject);
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begin
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// Move index part up
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MoveFocusedIndexPart(treeIndexes.FocusedNode.Index-1);
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end;
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procedure TfrmTableEditor.btnMoveDownIndexClick(Sender: TObject);
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begin
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// Move index part down
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MoveFocusedIndexPart(treeIndexes.FocusedNode.Index+1);
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end;
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procedure TfrmTableEditor.MoveFocusedIndexPart(NewIdx: Cardinal);
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var
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IndexParts: TWideStringlist;
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begin
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// Move focused index or index part
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if treeIndexes.IsEditing then
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treeIndexes.EndEditNode;
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IndexParts := TWideStringlist(Indexes.Objects[treeIndexes.FocusedNode.Parent.Index]);
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IndexParts.Move(treeIndexes.FocusedNode.Index, NewIdx);
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SelectNode(treeIndexes, NewIdx, treeIndexes.FocusedNode.Parent);
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end;
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procedure TfrmTableEditor.PageControlMainChange(Sender: TObject);
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begin
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UpdateSQLcode;
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end;
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procedure TfrmTableEditor.UpdateSQLcode;
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var
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OldTopLine: Integer;
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begin
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if (PageControlMain.ActivePage = tabALTERCode) and (not AlterCodeValid) then begin
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SynMemoALTERcode.BeginUpdate;
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OldTopLine := SynMemoALTERcode.TopLine;
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SynMemoALTERcode.Text := ComposeAlterStatement;
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SynMemoALTERcode.TopLine := OldTopLine;
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SynMemoALTERcode.EndUpdate;
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AlterCodeValid := True;
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end else if (PageControlMain.ActivePage = tabCREATECode) and (not CreateCodeValid) then begin
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SynMemoCREATEcode.BeginUpdate;
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OldTopLine := SynMemoCREATEcode.TopLine;
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SynMemoCREATEcode.Text := ComposeCreateStatement;
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SynMemoCREATEcode.TopLine := OldTopLine;
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SynMemoCREATEcode.EndUpdate;
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CreateCodeValid := True;
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end;
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end;
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procedure TfrmTableEditor.chkCharsetConvertClick(Sender: TObject);
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begin
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chkCharsetConvert.Enabled := (FAlterTablename <> '') and (comboCollation.ItemIndex > -1);
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listColumns.Repaint;
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Modification(Sender);
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end;
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procedure TfrmTableEditor.btnHelpClick(Sender: TObject);
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begin
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// Help button
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Mainform.CallSQLHelpWithKeyword('CREATE TABLE');
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end;
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end.
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