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{
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
***************************************************************************
Author: Michael Van Canneyt
}
unit FrmExample;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
Buttons, EditBtn, StdCtrls;
type
{ TExampleForm }
TExampleForm = class(TForm)
BOK: TButton;
BCancel: TButton;
EFileName: TFileNameEdit;
LEFileName: TLabel;
procedure ExampleFormCloseQuery(Sender: TObject; var CanClose: boolean);
private
function GetExampleDir: String;
function GetExampleName: String;
procedure SetExampleDir(const AValue: String);
procedure SetExampleName(const AValue: String);
function CheckFilePath(const AValue: String): boolean;
{ private declarations }
public
{ public declarations }
Property ExampleName : String Read GetExampleName Write SetExampleName;
Property ExampleDir: String read GetExampleDir write SetExampleDir;
end;
var
ExampleForm: TExampleForm;
implementation
{ TExampleForm }
{ TExampleForm }
procedure TExampleForm.ExampleFormCloseQuery(Sender: TObject;
var CanClose: boolean);
var
S: String;
begin
if Sender = nil then exit;
if ModalResult = mrOk then begin
S := ExtractFilePath(EFilename.Text);
CanClose := CheckFilePath(S);
end;
end;
function TExampleForm.GetExampleDir: String;
begin
Result := EFileName.InitialDir;
end;
function TExampleForm.GetExampleName: String;
begin
Result:=EFilename.Text; //EFileName.FileName;
if ExampleDir<>'' then
Result := ExtractRelativePath(ExampleDir, Result);
end;
procedure TExampleForm.SetExampleDir(const AValue: String);
begin
EFileName.InitialDir := AValue;
end;
procedure TExampleForm.SetExampleName(const AValue: String);
begin
EFileName.FileName:=AValue;
end;
function TExampleForm.CheckFilePath(const AValue: String): boolean;
begin
Result := True;
// Check Empty Path and filename
if (Length(ExtractFilePath(AValue))=0) and FileExistsUTF8(ExampleDir+AValue) then
exit;
// Check partial file path within ExampleDir
if FileExistsUTF8(ExampleDir + AValue) then
exit;
// it might be a full path
if FileExistsUTF8(AValue) and (Pos(ExampleDir, AValue)<>0) then
exit;
Result := false;
ShowMessage('Invalid file or path');
end;
initialization
{$I frmexample.lrs}
end.
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