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torben |
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(* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is TurboPower SysTools
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*
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* The Initial Developer of the Original Code is
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* TurboPower Software
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*
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* Portions created by the Initial Developer are Copyright (C) 1996-2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* ***** END LICENSE BLOCK ***** *)
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unit ExEnumFU;
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls,
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Forms, Dialogs, StdCtrls;
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type
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TForm1 = class(TForm)
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Button1: TButton;
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Edit1: TEdit;
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CheckBox1: TCheckBox;
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ListBox1: TListBox;
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Label1: TLabel;
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CheckBox2: TCheckBox;
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Button2: TButton;
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procedure FormCreate(Sender: TObject);
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procedure Button1Click(Sender: TObject);
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procedure Button2Click(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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private
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{ Private declarations }
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public
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{ Public declarations }
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AList : TStringList;
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end;
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var
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Form1: TForm1;
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implementation
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{$R *.DFM}
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uses
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StConst,
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StBase,
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StSystem;
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var
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StopIt : Boolean;
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function ProcessAll(const SR : TSearchRec; ForInclusion : Boolean;
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var Abort : Boolean) : Boolean;
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begin
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Abort := False;
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if StopIt then begin
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Abort := True;
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Result := False;
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end
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else begin
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Application.ProcessMessages;
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Result := True;
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end;
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end;
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function TextFilesOnly(const SR : TSearchRec; ForInclusion : Boolean;
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var Abort : Boolean) : Boolean;
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var
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S : String;
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begin
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Abort := False;
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if StopIt then begin
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Abort := True;
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Result := False;
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end
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else begin
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Application.ProcessMessages;
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if ForInclusion then begin
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Result := False;
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S := SR.Name;
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if (UpperCase(ExtractFileExt(S)) = '.TXT') or
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((SR.Attr and faDirectory) > 0) then
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Result := True;
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end
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else
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Result := True;
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end;
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end;
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procedure TForm1.FormCreate(Sender: TObject);
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begin
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AList := TStringList.Create;
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Edit1.Text := 'C:\';
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end;
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procedure TForm1.Button1Click(Sender: TObject);
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var
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I : longint;
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begin
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AList.Clear;
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ListBox1.Clear;
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Screen.Cursor := crHourGlass;
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StopIt := False;
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if not CheckBox2.Checked then begin
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EnumerateFiles(Edit1.Text, AList, CheckBox1.Checked, ProcessAll);
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ListBox1.Items := AList;
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end else begin
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EnumerateFiles(Edit1.Text, AList, CheckBox1.Checked, TextFilesOnly);
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{by its nature, EnumerateFiles also returns directory names}
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{remove those from the list - leaving only the text files}
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for I := 0 to AList.Count-1 do
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if (UpperCase(ExtractFileExt(AList[I])) = '.TXT') then
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ListBox1.Items.Add(AList[I]);
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end;
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Screen.Cursor := crDefault;
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ListBox1.Update;
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end;
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procedure TForm1.Button2Click(Sender: TObject);
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begin
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StopIt := True;
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end;
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procedure TForm1.FormDestroy(Sender: TObject);
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begin
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AList.Free;
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end;
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end.
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