david
f2dddaa81b
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.FastReport@13 475b051d-3a53-6940-addd-820bf0cfe0d7
149 lines
3.7 KiB
ObjectPascal
149 lines
3.7 KiB
ObjectPascal
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{******************************************}
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{ }
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{ FastReport v4.0 }
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{ Expression Editor }
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{ }
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{ Copyright (c) 1998-2007 }
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{ by Alexander Tzyganenko, }
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{ Fast Reports Inc. }
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{ }
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{******************************************}
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unit frxEditExpr;
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interface
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{$I frx.inc}
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
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StdCtrls, ComCtrls, frxClass, ExtCtrls, ImgList, Buttons, frxDataTree
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{$IFDEF Delphi6}
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, Variants
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{$ENDIF};
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type
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TfrxExprEditorForm = class(TForm)
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ExprMemo: TMemo;
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Panel1: TPanel;
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OkB: TButton;
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CancelB: TButton;
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Splitter1: TSplitter;
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Panel2: TPanel;
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ExprL: TLabel;
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Panel: TPanel;
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procedure FormCreate(Sender: TObject);
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procedure ExprMemoDragOver(Sender, Source: TObject; X, Y: Integer;
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State: TDragState; var Accept: Boolean);
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procedure ExprMemoDragDrop(Sender, Source: TObject; X, Y: Integer);
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procedure FormShow(Sender: TObject);
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procedure FormHide(Sender: TObject);
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procedure FormKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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procedure FormResize(Sender: TObject);
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private
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FDataTree: TfrxDataTreeForm;
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FReport: TfrxReport;
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procedure OnDataTreeDblClick(Sender: TObject);
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public
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end;
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implementation
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{$R *.DFM}
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uses frxDock, IniFiles, frxRes;
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var
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lastPosition: TPoint;
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type
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THackWinControl = class(TWinControl);
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{ TfrxExprEditorForm }
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procedure TfrxExprEditorForm.FormCreate(Sender: TObject);
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begin
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Caption := frxGet(4400);
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ExprL.Caption := frxGet(4401);
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OkB.Caption := frxGet(1);
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CancelB.Caption := frxGet(2);
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{$IFDEF UseTabset}
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ExprMemo.BevelKind := bkFlat;
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{$ELSE}
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ExprMemo.BorderStyle := bsSingle;
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{$ENDIF}
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FReport := TfrxCustomDesigner(Owner).Report;
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FDataTree := TfrxDataTreeForm.Create(Self);
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FDataTree.Report := FReport;
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FDataTree.OnDblClick := OnDataTreeDblClick;
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FDataTree.SetControlsParent(Panel);
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FDataTree.HintPanel.Height := 60;
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FDataTree.UpdateItems;
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if UseRightToLeftAlignment then
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FlipChildren(True);
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end;
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procedure TfrxExprEditorForm.FormShow(Sender: TObject);
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var
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Ini: TCustomIniFile;
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begin
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Ini := FReport.GetIniFile;
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Ini.WriteBool('Form4.TfrxExprEditorForm', 'Visible', True);
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frxRestoreFormPosition(Ini, Self);
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Ini.Free;
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FDataTree.SetLastPosition(lastPosition);
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end;
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procedure TfrxExprEditorForm.FormHide(Sender: TObject);
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var
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Ini: TCustomIniFile;
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begin
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Ini := FReport.GetIniFile;
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frxSaveFormPosition(Ini, Self);
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Ini.Free;
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lastPosition := FDataTree.GetLastPosition;
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end;
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procedure TfrxExprEditorForm.OnDataTreeDblClick(Sender: TObject);
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begin
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ExprMemo.SelText := FDataTree.GetFieldName;
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ExprMemo.SetFocus;
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end;
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procedure TfrxExprEditorForm.ExprMemoDragOver(Sender, Source: TObject; X,
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Y: Integer; State: TDragState; var Accept: Boolean);
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begin
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Accept := (Source is TTreeView) and (TControl(Source).Owner = FDataTree) and
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(FDataTree.GetFieldName <> '');
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end;
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procedure TfrxExprEditorForm.ExprMemoDragDrop(Sender, Source: TObject; X,
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Y: Integer);
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begin
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ExprMemo.SelText := FDataTree.GetFieldName;
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ExprMemo.SetFocus;
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end;
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procedure TfrxExprEditorForm.FormKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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begin
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if Key = VK_F1 then
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frxResources.Help(Self);
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end;
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procedure TfrxExprEditorForm.FormResize(Sender: TObject);
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begin
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FDataTree.UpdateSize;
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end;
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end.
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//862fd5d6aa1a637203d9b08a3c0bcfb0 |