david
f2dddaa81b
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.FastReport@13 475b051d-3a53-6940-addd-820bf0cfe0d7
118 lines
2.8 KiB
ObjectPascal
118 lines
2.8 KiB
ObjectPascal
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{******************************************}
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{ }
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{ FastReport v4.0 }
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{ Evaluate dialog }
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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 frxEvaluateForm;
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interface
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{$I frx.inc}
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
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StdCtrls, fs_iinterpreter
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{$IFDEF Delphi6}
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, Variants
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{$ENDIF};
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type
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TfrxEvaluateForm = class(TForm)
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Label1: TLabel;
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ExpressionE: TEdit;
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Label2: TLabel;
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ResultM: TMemo;
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OkB: TButton;
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CancelB: TButton;
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procedure ExpressionEKeyPress(Sender: TObject; var Key: Char);
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procedure FormShow(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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procedure FormKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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private
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FScript: TfsScript;
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FIsWatch: Boolean;
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public
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property IsWatch: Boolean read FIsWatch write FIsWatch;
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property Script: TfsScript read FScript write FScript;
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end;
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implementation
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{$R *.DFM}
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uses frxRes;
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procedure TfrxEvaluateForm.ExpressionEKeyPress(Sender: TObject; var Key: Char);
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var
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v: Variant;
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s: String;
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begin
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if IsWatch then Exit;
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if Key = #13 then
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begin
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v := FScript.Evaluate(ExpressionE.Text);
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s := VarToStr(v);
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if TVarData(v).VType = varBoolean then
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if Boolean(v) = True then
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s := 'True' else
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s := 'False'
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else if (TVarData(v).VType = varString) or (TVarData(v).VType = varOleStr) then
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s := '''' + v + ''''
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else if v = Null then
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s := 'Null';
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ResultM.Text := s;
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ExpressionE.SelectAll;
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end
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else if Key = #27 then
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Close;
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end;
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procedure TfrxEvaluateForm.FormShow(Sender: TObject);
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begin
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ExpressionE.SelectAll;
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ResultM.Text := '';
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if IsWatch then
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begin
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OkB.Visible := True;
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CancelB.Visible := True;
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ResultM.Visible := False;
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Label2.Visible := False;
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ClientHeight := OkB.Top + OkB.Height + 4;
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end;
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end;
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procedure TfrxEvaluateForm.FormCreate(Sender: TObject);
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begin
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Caption := frxGet(5500);
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Label1.Caption := frxGet(5501);
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Label2.Caption := frxGet(5502);
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OkB.Caption := frxGet(1);
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CancelB.Caption := frxGet(2);
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if UseRightToLeftAlignment then
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FlipChildren(True);
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end;
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procedure TfrxEvaluateForm.FormKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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begin
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if Key = VK_ESCAPE then
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ModalResult := mrCancel;
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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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end.
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//862fd5d6aa1a637203d9b08a3c0bcfb0 |