mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
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119 lines
3.5 KiB
ObjectPascal
119 lines
3.5 KiB
ObjectPascal
{
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
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* *
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***************************************************************************
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Author: Michael Van Canneyt
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}
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unit FrmExample;
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{$mode objfpc}{$H+}
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interface
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uses
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SysUtils, LazFileUtils, Forms, Controls, Dialogs, EditBtn, StdCtrls, ButtonPanel;
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type
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{ TExampleForm }
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TExampleForm = class(TForm)
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ButtonPanel1: TButtonPanel;
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EFileName: TFileNameEdit;
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LEFileName: TLabel;
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procedure ExampleFormCloseQuery(Sender: TObject; var CanClose: boolean);
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private
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function GetExampleDir: String;
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function GetExampleName: String;
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procedure SetExampleDir(const AValue: String);
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procedure SetExampleName(const AValue: String);
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function CheckFilePath(const AValue: String): boolean;
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{ private declarations }
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public
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{ public declarations }
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Property ExampleName : String Read GetExampleName Write SetExampleName;
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Property ExampleDir: String read GetExampleDir write SetExampleDir;
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end;
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var
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ExampleForm: TExampleForm;
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implementation
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{$R *.lfm}
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{ TExampleForm }
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procedure TExampleForm.ExampleFormCloseQuery(Sender: TObject;
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var CanClose: boolean);
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var
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S: String;
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begin
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if Sender = nil then exit;
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if ModalResult = mrOk then begin
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S := ExtractFilePath(EFilename.Text);
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CanClose := CheckFilePath(S);
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end;
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end;
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function TExampleForm.GetExampleDir: String;
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begin
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Result := EFileName.InitialDir;
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end;
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function TExampleForm.GetExampleName: String;
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begin
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Result:=EFilename.Text; //EFileName.FileName;
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if ExampleDir<>'' then
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Result := ExtractRelativePath(ExampleDir, Result);
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end;
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procedure TExampleForm.SetExampleDir(const AValue: String);
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begin
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EFileName.InitialDir := AValue;
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end;
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procedure TExampleForm.SetExampleName(const AValue: String);
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begin
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EFileName.FileName:=AValue;
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end;
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function TExampleForm.CheckFilePath(const AValue: String): boolean;
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begin
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Result := True;
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// Check Empty Path and filename
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if (Length(ExtractFilePath(AValue))=0) and FileExistsUTF8(ExampleDir+AValue) then
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exit;
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// Check partial file path within ExampleDir
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if FileExistsUTF8(ExampleDir + AValue) then
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exit;
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// it might be a full path
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if FileExistsUTF8(AValue) and (Pos(ExampleDir, AValue)<>0) then
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exit;
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Result := false;
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ShowMessage('Invalid file or path');
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end;
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end.
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