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https://github.com/HeidiSQL/HeidiSQL.git
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Issue #2127: add routine editor
This commit is contained in:
Ansgar Becker
591
source/routine_editor.pas
Normal file
591
source/routine_editor.pas
Normal file
@ -0,0 +1,591 @@
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unit routine_editor;
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{$mode delphi}{$H+}
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interface
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uses
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SysUtils, Classes, Graphics, Controls, Forms, Dialogs, SynEdit, StdCtrls,
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ComCtrls, ToolWin, laz.VirtualTrees, RegExpr, extra_controls,
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dbconnection, apphelpers, Menus, ExtCtrls, Buttons, LCLProc;
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type
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TFrame = TDBObjectEditor;
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TfrmRoutineEditor = class(TFrame)
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btnSave: TButton;
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btnDiscard: TButton;
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btnHelp: TButton;
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lblSQLcode: TLabel;
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SynMemoBody: TSynEdit;
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PageControlMain: TPageControl;
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tabOptions: TTabSheet;
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tabParameters: TTabSheet;
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tabCreateCode: TTabSheet;
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chkDeterministic: TCheckBox;
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editComment: TEdit;
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comboSecurity: TComboBox;
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comboDataAccess: TComboBox;
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comboReturns: TComboBox;
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comboType: TComboBox;
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editName: TEdit;
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lblName: TLabel;
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lblType: TLabel;
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lblReturns: TLabel;
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lblSQL: TLabel;
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lblSecurity: TLabel;
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lblComment: TLabel;
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listParameters: TLazVirtualStringTree;
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tlbParameters: TToolBar;
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btnAddParam: TToolButton;
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btnRemoveParam: TToolButton;
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btnClearParams: TToolButton;
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SynMemoCREATEcode: TSynEdit;
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btnRunProc: TSpeedButton;
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lblDefiner: TLabel;
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comboDefiner: TComboBox;
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btnMoveUpParam: TToolButton;
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btnMoveDownParam: TToolButton;
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lblDisabledWhy: TLabel;
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spltTop: TSplitter;
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procedure comboTypeSelect(Sender: TObject);
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procedure btnSaveClick(Sender: TObject);
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procedure btnHelpClick(Sender: TObject);
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procedure btnAddParamClick(Sender: TObject);
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procedure listParametersGetText(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
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var CellText: String);
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procedure listParametersGetImageIndex(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
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var Ghosted: Boolean; var ImageIndex: TImageIndex);
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procedure btnClearParamsClick(Sender: TObject);
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procedure btnRemoveParamClick(Sender: TObject);
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procedure listParametersBeforePaint(Sender: TBaseVirtualTree;
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TargetCanvas: TCanvas);
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procedure listParametersFocusChanged(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex);
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procedure listParametersCreateEditor(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; out EditLink: IVTEditLink);
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procedure listParametersNewText(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; NewText: String);
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procedure listParametersEditing(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; var Allowed: Boolean);
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procedure Modification(Sender: TObject);
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procedure SynMemoBodyDragOver(Sender, Source: TObject; X, Y: Integer;
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State: TDragState; var Accept: Boolean);
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procedure SynMemoBodyDragDrop(Sender, Source: TObject; X, Y: Integer);
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procedure listParametersPaintText(Sender: TBaseVirtualTree;
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const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
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TextType: TVSTTextType);
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procedure btnDiscardClick(Sender: TObject);
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procedure comboDefinerDropDown(Sender: TObject);
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procedure btnMoveParamClick(Sender: TObject);
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procedure PageControlMainChange(Sender: TObject);
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private
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{ Private declarations }
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FAlterRoutineType: String;
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function ComposeCreateStatement(NameOfObject: String): String;
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public
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{ Public declarations }
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Parameters: TRoutineParamList;
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constructor Create(AOwner: TComponent); override;
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procedure Init(Obj: TDBObject); override;
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function DeInit: TModalResult; override;
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function ApplyModifications: TModalResult; override;
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end;
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implementation
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uses main, dbstructures, dbstructures.mysql;
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{$R *.lfm}
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constructor TfrmRoutineEditor.Create(AOwner: TComponent);
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begin
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inherited;
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// Combo items in a .dfm are sporadically lost after an IDE restart,
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// so we set them here to avoid developer annoyance
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comboType.Items.Add(_('Procedure (doesn''t return a result)'));
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comboType.Items.Add(_('Function (returns a result)'));
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comboDataAccess.Items.Add('Contains SQL');
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comboDataAccess.Items.Add('No SQL');
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comboDataAccess.Items.Add('Reads SQL data');
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comboDataAccess.Items.Add('Modifies SQL data');
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comboSecurity.Items.Add('Definer');
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comboSecurity.Items.Add('Invoker');
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Mainform.SynCompletionProposal.AddEditor(SynMemoBody);
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Parameters := TRoutineParamList.Create;
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editName.MaxLength := NAME_LEN;
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FMainSynMemo := SynMemoBody;
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btnSave.Hint := ShortCutToText(MainForm.actSaveSQL.ShortCut);
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end;
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procedure TfrmRoutineEditor.Init(Obj: TDBObject);
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var
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i: Integer;
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begin
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inherited;
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FixVT(listParameters);
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TExtForm.RestoreListSetup(listParameters);
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if Obj.NodeType = lntProcedure then FAlterRoutineType := 'PROCEDURE'
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else FAlterRoutineType := 'FUNCTION';
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editName.Text := DBObject.Name;
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comboType.ItemIndex := 0;
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comboReturns.Text := '';
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comboReturns.Clear;
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for i:=0 to High(Obj.Connection.Datatypes) do
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comboReturns.Items.Add(Obj.Connection.Datatypes[i].Name);
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chkDeterministic.Checked := False;
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SelectNode(listParameters, nil);
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listParameters.Clear;
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Parameters.Clear;
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comboDataAccess.ItemIndex := 0;
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comboSecurity.ItemIndex := 0;
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editComment.Clear;
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case Obj.NodeType of
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lntProcedure: comboType.ItemIndex := 0;
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lntFunction: comboType.ItemIndex := 1;
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end;
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comboDefiner.Text := '';
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comboDefiner.TextHint := f_('Current user (%s)', [Obj.Connection.CurrentUserHostCombination]);
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comboDefiner.Hint := f_('Leave empty for current user (%s)', [Obj.Connection.CurrentUserHostCombination]);
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SynMemoBody.Text := 'BEGIN'+CRLF+CRLF+'END';
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if ObjectExists then begin
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// Editing existing routine
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DBObject.Connection.ParseRoutineStructure(Obj, Parameters);
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comboReturns.Text := Obj.Returns;
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chkDeterministic.Checked := Obj.Deterministic;
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if Obj.DataAccess <> '' then
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comboDataAccess.ItemIndex := comboDataAccess.Items.IndexOf(Obj.DataAccess);
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if Obj.Security <> '' then
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comboSecurity.ItemIndex := comboSecurity.Items.IndexOf(Obj.Security);
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editComment.Text := Obj.Comment;
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comboDefiner.Text := Obj.Definer;
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// The whole CREATE CODE may be empty if the user is not allowed to view code in SHOW CREATE FUNCTION
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// => Disable the whole editor in this case.
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SynMemoBody.Text := Obj.Body;
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lblDisabledWhy.Visible := Obj.Body = '';
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PageControlMain.Enabled := not lblDisabledWhy.Visible;
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SynMemoBody.Enabled := PageControlMain.Enabled;
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SynMemoBody.TopLine := FMainSynMemoPreviousTopLine;
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end else begin
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editName.Text := '';
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end;
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comboTypeSelect(comboType);
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Modified := False;
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btnSave.Enabled := Modified;
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btnDiscard.Enabled := Modified;
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{// Buttons are randomly moved, since VirtualTree update, see #440 - not required with anchors set
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btnSave.Top := Height - btnSave.Height - 3;
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btnHelp.Top := btnSave.Top;
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btnDiscard.Top := btnSave.Top;
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btnRunProc.Top := btnSave.Top;
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btnRunProc.Left := Width - btnRunProc.Width - 3;}
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Mainform.actRunRoutines.Enabled := ObjectExists;
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Mainform.ShowStatusMsg;
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TExtForm.PageControlTabHighlight(PageControlMain);
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Screen.Cursor := crDefault;
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end;
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function TfrmRoutineEditor.DeInit: TModalResult;
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begin
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// Store GUI setup
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TExtForm.SaveListSetup(listParameters);
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Result := inherited;
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end;
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procedure TfrmRoutineEditor.Modification(Sender: TObject);
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begin
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Modified := True;
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btnSave.Enabled := Modified and (editName.Text <> '');
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btnDiscard.Enabled := Modified;
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SynMemoCreateCode.Text := ComposeCreateStatement(editName.Text);
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end;
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procedure TfrmRoutineEditor.PageControlMainChange(Sender: TObject);
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begin
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TExtForm.PageControlTabHighlight(PageControlMain);
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end;
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procedure TfrmRoutineEditor.comboTypeSelect(Sender: TObject);
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var
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isfunc: Boolean;
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begin
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isfunc := (Sender as TComboBox).ItemIndex = 1;
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lblReturns.Enabled := isfunc;
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comboReturns.Enabled := isfunc;
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Modification(Sender);
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listParameters.Repaint;
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end;
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procedure TfrmRoutineEditor.comboDefinerDropDown(Sender: TObject);
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begin
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// Populate definers from mysql.user
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(Sender as TComboBox).Items.Assign(DBObject.Connection.AllUserHostCombinations);
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end;
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procedure TfrmRoutineEditor.btnAddParamClick(Sender: TObject);
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var
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Param: TRoutineParam;
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Position: Integer;
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begin
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Param := TRoutineParam.Create;
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Param.Name := 'Param'+IntToStr(Parameters.Count+1);
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Param.Datatype := 'INT';
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Param.Context := 'IN';
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if Assigned(listParameters.FocusedNode) then
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Position := listParameters.FocusedNode.Index+1
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else
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Position := Parameters.Count;
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Parameters.Insert(Position, Param);
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// See List.OnPaint:
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listParameters.Repaint;
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SelectNode(listParameters, Position);
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Modification(Sender);
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end;
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procedure TfrmRoutineEditor.btnRemoveParamClick(Sender: TObject);
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begin
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Parameters.Delete(ListParameters.FocusedNode.Index);
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listParameters.Repaint;
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Modification(Sender);
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end;
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procedure TfrmRoutineEditor.btnClearParamsClick(Sender: TObject);
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begin
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Parameters.Clear;
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listParameters.Repaint;
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Modification(Sender);
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end;
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procedure TfrmRoutineEditor.btnMoveParamClick(Sender: TObject);
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var
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Source, Target: Integer;
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begin
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// Move param up or down
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Source := ListParameters.FocusedNode.Index;
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if Sender = btnMoveUpParam then
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Target := Source -1
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else
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Target := Source +1;
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Parameters.Exchange(Source, Target);
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SelectNode(listParameters, Target);
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listParameters.Repaint;
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Modification(Sender);
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end;
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procedure TfrmRoutineEditor.listParametersBeforePaint(Sender: TBaseVirtualTree;
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TargetCanvas: TCanvas);
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begin
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(Sender as TLazVirtualStringTree).RootNodeCount := Parameters.Count;
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end;
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procedure TfrmRoutineEditor.listParametersGetImageIndex(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
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var Ghosted: Boolean; var ImageIndex: TImageIndex);
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var
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List: TLazVirtualStringTree;
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Context: String;
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begin
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// Draw arrow icon to indicate in/out context
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if not (Kind in [ikNormal, ikSelected]) then Exit;
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List := Sender as TLazVirtualStringTree;
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if Column <> 3 then
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ImageIndex := -1
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else begin
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Context := List.Text[Node, 3];
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if Context = 'IN' then ImageIndex := 120
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else if Context = 'OUT' then ImageIndex := 121
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else if Context = 'INOUT' then ImageIndex := 122;
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end;
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end;
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procedure TfrmRoutineEditor.listParametersGetText(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
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var CellText: String);
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var
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Param: TRoutineParam;
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begin
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Param := Parameters[Node.Index];
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case Column of
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0: CellText := IntToStr(Node.Index+1);
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1: CellText := Param.Name;
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2: CellText := Param.Datatype;
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3: begin
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if comboType.ItemIndex = 1 then
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CellText := 'IN' // A function can only have IN parameters
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else
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CellText := Param.Context;
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end;
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end;
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end;
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procedure TfrmRoutineEditor.listParametersPaintText(Sender: TBaseVirtualTree;
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const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
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TextType: TVSTTextType);
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begin
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if (Column = 3) and (comboType.ItemIndex = 1) then
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TargetCanvas.Font.Color := GetThemeColor(clBtnShadow);
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end;
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procedure TfrmRoutineEditor.listParametersFocusChanged(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex);
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var
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HasNode: Boolean;
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begin
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// Enable/disable buttons
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HasNode := Assigned(Node);
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btnRemoveParam.Enabled := HasNode;
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btnMoveUpParam.Enabled := HasNode and (Node <> Sender.GetFirst);
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btnMoveDownParam.Enabled := HasNode and (Node <> Sender.GetLast);
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if HasNode and (not ((comboType.ItemIndex = 1) and (Column=3))) then
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Sender.EditNode(Node, Column);
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end;
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procedure TfrmRoutineEditor.listParametersNewText(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; NewText: String);
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var
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Param: TRoutineParam;
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rx: TRegExpr;
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begin
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Param := Parameters[Node.Index];
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case Column of
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1: Param.Name := NewText;
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2: begin
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rx := TRegExpr.Create;
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rx.ModifierG := True;
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rx.Expression := '^(\w+)(.*)$';
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if rx.Exec(NewText) then
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NewText := UpperCase(rx.Match[1]) + rx.Match[2]
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else
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NewText := UpperCase(NewText);
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rx.Free;
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Param.Datatype := NewText;
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end;
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3: Param.Context := NewText;
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end;
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Modification(Sender);
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end;
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procedure TfrmRoutineEditor.listParametersCreateEditor(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; out EditLink: IVTEditLink);
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var
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VT: TLazVirtualStringTree;
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//EnumEditor: TEnumEditorLink;
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Datatype: String;
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DBDatatype: TDBDatatype;
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begin
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VT := Sender as TLazVirtualStringTree;
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if Column = 1 then
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EditLink := TStringEditLink.Create
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{else if Column = 2 then begin
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EnumEditor := TEnumEditorLink.Create(VT, True, nil);
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EnumEditor.AllowCustomText := True;
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EnumEditor.ValueList := TStringList.Create;
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for DBDatatype in DBObject.Connection.Datatypes do begin
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Datatype := DBDatatype.Name;
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if DBDatatype.RequiresLength then
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Datatype := Datatype + '(' + DBDatatype.DefLengthSet + ')';
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EnumEditor.ValueList.Add(Datatype);
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end;
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EditLink := EnumEditor;
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end else if Column = 3 then begin
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EnumEditor := TEnumEditorLink.Create(VT, True, nil);
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EnumEditor.ValueList := TStringList.Create;
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EnumEditor.ValueList.Add('IN');
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EnumEditor.ValueList.Add('OUT');
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EnumEditor.ValueList.Add('INOUT');
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EditLink := EnumEditor;
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end;}
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end;
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procedure TfrmRoutineEditor.listParametersEditing(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; var Allowed: Boolean);
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begin
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// Do not allow the number cells to be edited
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Allowed := Column > 0;
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if (Column = 3) and (comboType.ItemIndex = 1) then begin
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Allowed := False;
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MessageDialog(_('A stored function can only have IN parameters so context editing is blocked.'), mtInformation, [mbOK]);
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end;
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end;
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procedure TfrmRoutineEditor.SynMemoBodyDragOver(Sender, Source: TObject; X,
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Y: Integer; State: TDragState; var Accept: Boolean);
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||||
begin
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// Allow dragging parameters here
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||||
Accept := Source = listParameters;
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// set cursor position
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SynMemoBody.CaretX := (x - SynMemoBody.Gutter.Width) div SynMemoBody.CharWidth - 1 + SynMemoBody.LeftChar;
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||||
SynMemoBody.CaretY := y div SynMemoBody.LineHeight + SynMemoBody.TopLine;
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if not SynMemoBody.Focused then
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SynMemoBody.SetFocus;
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||||
end;
|
||||
|
||||
|
||||
procedure TfrmRoutineEditor.SynMemoBodyDragDrop(Sender, Source: TObject; X,
|
||||
Y: Integer);
|
||||
var
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||||
list: TLazVirtualStringTree;
|
||||
memo: TSynEdit;
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||||
begin
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||||
list := Source as TLazVirtualStringTree;
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||||
memo := Sender as TSynEdit;
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||||
memo.SelText := list.Text[list.FocusedNode, 1];
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||||
end;
|
||||
|
||||
|
||||
procedure TfrmRoutineEditor.btnSaveClick(Sender: TObject);
|
||||
begin
|
||||
// Apply or OK button clicked
|
||||
ApplyModifications;
|
||||
end;
|
||||
|
||||
|
||||
function TfrmRoutineEditor.ApplyModifications: TModalResult;
|
||||
var
|
||||
TempName: String;
|
||||
i: Integer;
|
||||
allRoutineNames: TStringList;
|
||||
ProcOrFunc: String;
|
||||
TargetExists: Boolean;
|
||||
begin
|
||||
// Save changes
|
||||
btnSave.Enabled := False;
|
||||
btnDiscard.Enabled := False;
|
||||
Result := mrOk;
|
||||
case comboType.ItemIndex of
|
||||
0: ProcOrFunc := 'PROCEDURE';
|
||||
else ProcOrFunc := 'FUNCTION';
|
||||
end;
|
||||
|
||||
// There is no way to ALTER parameters or the name of it.
|
||||
// Create a temp routine, check for syntax errors, then drop the old routine and create it.
|
||||
// See also: http://dev.mysql.com/doc/refman/5.0/en/alter-procedure.html
|
||||
try
|
||||
if ObjectExists then begin
|
||||
// Create temp name
|
||||
i := 0;
|
||||
allRoutineNames := DBObject.Connection.GetCol('SELECT ROUTINE_NAME FROM '+DBObject.Connection.QuoteIdent(DBObject.Connection.InfSch)+'.'+DBObject.Connection.QuoteIdent('ROUTINES')+
|
||||
' WHERE ROUTINE_SCHEMA = '+DBObject.Connection.EscapeString(DBObject.Connection.Database)+
|
||||
' AND ROUTINE_TYPE = '+DBObject.Connection.EscapeString(ProcOrFunc)
|
||||
);
|
||||
TargetExists := ((editName.Text <> DBObject.Name) or (ProcOrFunc <> FAlterRoutineType)) and
|
||||
(allRoutineNames.IndexOf(editName.Text) > -1);
|
||||
if TargetExists then begin
|
||||
Result := MessageDialog(f_('Overwrite "%s"?', [editName.Text]), f_('Routine "%s" already exists.', [editName.Text]),
|
||||
mtConfirmation, [mbYes, mbNo, mbCancel]);
|
||||
if Result = mrNo then
|
||||
Exit;
|
||||
end;
|
||||
while True do begin
|
||||
inc(i);
|
||||
TempName := APPNAME + '_temproutine_' + IntToStr(i);
|
||||
if allRoutineNames.IndexOf(TempName) = -1 then
|
||||
break;
|
||||
end;
|
||||
DBObject.Connection.Query(ComposeCreateStatement(tempName));
|
||||
// Drop temporary routine, used for syntax checking
|
||||
DBObject.Connection.Query('DROP '+ProcOrFunc+' IF EXISTS '+DBObject.Connection.QuoteIdent(TempName));
|
||||
// Drop edited routine
|
||||
DBObject.Connection.Query('DROP '+FAlterRoutineType+' IF EXISTS '+DBObject.Connection.QuoteIdent(DBObject.Name));
|
||||
if TargetExists then begin
|
||||
// Drop target routine - overwriting has been confirmed, see above
|
||||
DBObject.Connection.Query('DROP '+ProcOrFunc+' IF EXISTS '+DBObject.Connection.QuoteIdent(editName.Text));
|
||||
end;
|
||||
end;
|
||||
DBObject.Connection.Query(ComposeCreateStatement(editName.Text));
|
||||
// Set editing name if create/alter query was successful
|
||||
DBObject.Name := editName.Text;
|
||||
DBObject.UnloadDetails;
|
||||
FAlterRoutineType := ProcOrFunc;
|
||||
if FAlterRoutineType = 'PROCEDURE' then DBObject.NodeType := lntProcedure
|
||||
else DBObject.NodeType := lntFunction;
|
||||
Mainform.UpdateEditorTab;
|
||||
Mainform.RefreshTree(DBObject);
|
||||
Modified := False;
|
||||
Mainform.actRunRoutines.Enabled := True;
|
||||
except
|
||||
on E:EDbError do begin
|
||||
ErrorDialog(E.Message);
|
||||
Result := mrAbort;
|
||||
end;
|
||||
end;
|
||||
btnSave.Enabled := Modified;
|
||||
btnDiscard.Enabled := Modified;
|
||||
end;
|
||||
|
||||
|
||||
function TfrmRoutineEditor.ComposeCreateStatement(NameOfObject: String): String;
|
||||
var
|
||||
ProcOrFunc, tmp: String;
|
||||
i: Integer;
|
||||
Params: TStringList;
|
||||
begin
|
||||
case comboType.ItemIndex of
|
||||
0: ProcOrFunc := 'PROCEDURE';
|
||||
else ProcOrFunc := 'FUNCTION';
|
||||
end;
|
||||
Result := 'CREATE ';
|
||||
if comboDefiner.Text <> '' then
|
||||
Result := Result + 'DEFINER='+DBObject.Connection.QuoteIdent(comboDefiner.Text, True, '@')+' ';
|
||||
Result := Result + ProcOrFunc+' '+DBObject.Connection.QuoteIdent(NameOfObject)+'(';
|
||||
Params := TStringList.Create;
|
||||
for i:=0 to Parameters.Count-1 do begin
|
||||
tmp := '';
|
||||
if ProcOrFunc = 'PROCEDURE' then
|
||||
tmp := tmp + Parameters[i].Context + ' ';
|
||||
tmp := tmp + DBObject.Connection.QuoteIdent(Parameters[i].Name) + ' ' + Parameters[i].Datatype;
|
||||
Params.Add(tmp);
|
||||
end;
|
||||
if Params.Count > 0 then
|
||||
Result := Result + sLineBreak + CodeIndent + Implode(',' + sLineBreak + CodeIndent, Params) + sLineBreak;
|
||||
Result := Result + ')'+CRLF;
|
||||
if comboReturns.Enabled then
|
||||
Result := Result + 'RETURNS '+comboReturns.Text+CRLF;
|
||||
Result := Result + 'LANGUAGE SQL'+CRLF;
|
||||
if not chkDeterministic.Checked then
|
||||
Result := Result + 'NOT ';
|
||||
Result := Result + 'DETERMINISTIC'+CRLF
|
||||
+ UpperCase(comboDataAccess.Text)+CRLF
|
||||
+ 'SQL SECURITY ' + UpperCase(comboSecurity.Text)+CRLF
|
||||
+ 'COMMENT ' + DBObject.Connection.EscapeString(editComment.Text)+CRLF
|
||||
+ SynMemoBody.Text;
|
||||
end;
|
||||
|
||||
|
||||
procedure TfrmRoutineEditor.btnDiscardClick(Sender: TObject);
|
||||
begin
|
||||
Modified := False;
|
||||
Init(DBObject);
|
||||
end;
|
||||
|
||||
|
||||
procedure TfrmRoutineEditor.btnHelpClick(Sender: TObject);
|
||||
begin
|
||||
// Help button
|
||||
Help(Self, 'createroutine');
|
||||
end;
|
||||
|
||||
|
||||
end.
|
||||
Reference in New Issue
Block a user