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{ Copyright (C) 2008 Darius Blaszijk
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., 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1335, USA.
}
unit SVNDiffForm;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LazFileUtils, Forms, Dialogs,
ButtonPanel, StdCtrls, Buttons, LazIDEIntf, IDEImagesIntf, SynEdit,
SynHighlighterDiff;
type
{ TSVNDiffFrm }
TSVNDiffFrm = class(TForm)
ButtonPanel: TButtonPanel;
SaveDialog: TSaveDialog;
SVNDiffMemo: TSynEdit;
SynDiffSyn1: TSynDiffSyn;
procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
procedure FormCreate(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure OKButtonClick(Sender: TObject);
procedure SaveButtonClick(Sender: TObject);
private
FFileList: TStringList;
FSwitches: string;
FRepoBaseDir: string;
public
destructor Destroy; override;
procedure Execute({%H-}Data: PtrInt);
{list of filenames with absolute path}
property FileList: TStringList read FFileList write FFileList;
{switches for the diff command}
property Switches: string read FSwitches write FSwitches;
end;
procedure ShowSVNDiffFrm(ASwitches, AFileName: string);
procedure ShowSVNDiffFrm(ASwitches: string; AFileList: TStringList); overload;
var
SVNDiffFrm: TSVNDiffFrm;
implementation
{$R *.lfm}
uses
SVNClasses;
procedure ShowSVNDiffFrm(ASwitches, AFileName: string);
var
List: TStringList;
begin
List := TStringList.Create;
List.Append(AFileName);
ShowSVNDiffFrm(ASwitches, List);
end;
procedure ShowSVNDiffFrm(ASwitches: string; AFileList: TStringList);
begin
if not Assigned(SVNDiffFrm) then
SVNDiffFrm := TSVNDiffFrm.Create(nil);
SVNDiffFrm.FileList:=AFileList;
SVNDiffFrm.Switches:=ASwitches;
SVNDiffFrm.Show;
end;
{ TSVNDiffFrm }
procedure TSVNDiffFrm.FormShow(Sender: TObject);
var
CaptionName: string;
begin
FRepoBaseDir := LazarusIDE.ActiveProject.CustomSessionData.Values[SVN_REPOSITORY];
if FileList.Count = 1 then
CaptionName := CreateRelativePath(FileList.Strings[0], FRepoBaseDir, false)
else
CaptionName := FRepoBaseDir;
Caption := Format(rsLazarusSVNDiff, [CaptionName]);
Application.QueueAsyncCall(@Execute, 0);
end;
procedure TSVNDiffFrm.OKButtonClick(Sender: TObject);
begin
Close;
end;
procedure TSVNDiffFrm.FormCreate(Sender: TObject);
begin
ButtonPanel.HelpButton.Enabled := False;
ButtonPanel.HelpButton.Caption := rsSave;
IDEImages.AssignImage(ButtonPanel.HelpButton, 'laz_save');
end;
procedure TSVNDiffFrm.FormClose(Sender: TObject; var CloseAction: TCloseAction);
begin
CloseAction := caFree;
end;
procedure TSVNDiffFrm.SaveButtonClick(Sender: TObject);
begin
if SaveDialog.Execute then
SVNDiffMemo.Lines.SaveToFile(SaveDialog.FileName);
end;
procedure TSVNDiffFrm.Execute(Data: PtrInt);
var
i: Integer;
FileNames: String; // all filenames concatenated for the command line
DiffMemo: TMemo;
begin
FileNames := '';
for i := 0 to FileList.Count - 1 do
begin
if FileExists(FileList.Strings[i]) then
FileNames += ' "' + CreateRelativePath(FileList.Strings[i], FRepoBaseDir, False) + '"'
else
FileNames += ' "' + FileList.Strings[i] + '"' // might be a http:// url
end;
// in the previous step we made the filenames relative because we don't
// want absolute paths in our diff files. Now we must make sure we execute
// the svn diff command from within the repository base directory.
chdir(FRepoBaseDir);
try
DiffMemo := TMemo.Create(Self);
CmdLineToMemo(SVNExecutable + ' diff ' + FSwitches + FileNames + ' --non-interactive',
DiffMemo);
SVNDiffmemo.Lines.Text := DiffMemo.Lines.Text;
finally
FreeAndNil(Diffmemo);
end;
ButtonPanel.HelpButton.Enabled := True;
end;
destructor TSVNDiffFrm.Destroy;
begin
FFileList.Free;
SVNDiffFrm := nil;
inherited Destroy;
end;
end.
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