Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdesdk@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 759 insertions, 0 deletions

diff --git a/kompare/komparepart/kompare_part.cpp b/kompare/komparepart/kompare_part.cpp
new file mode 100644
index 00000000..d74945e6
--- /dev/null
+++ b/kompare/komparepart/kompare_part.cpp
@@ -0,0 +1,759 @@
+/***************************************************************************
+                                kompare_part.cpp  -  description
+                                -------------------
+        begin                   : Sun Mar 4 2001
+        copyright               : (C) 2001-2004 Otto Bruggeman
+                                  (C) 2001-2003 John Firebaugh
+                                  (C) 2004      Jeff Snyder
+        email                   : [email protected]
+                                  [email protected]
+                                  [email protected]
+****************************************************************************/
+
+/***************************************************************************
+**
+**   This program 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.
+**
+***************************************************************************/
+
+#include "kompare_qsplitter.h" // make sure we get there first
+
+#include <qlayout.h>
+#include <qwidget.h>
+
+#include <kaction.h>
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kfiletreeview.h>
+#include <kfiledialog.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kstdaction.h>
+#include <kinstance.h>
+#include <ktempfile.h>
+#include <kparts/genericfactory.h>
+//#include <ktempdir.h>
+
+#include <kio/netaccess.h>
+
+#include "diffmodel.h"
+#include "komparelistview.h"
+#include "kompareconnectwidget.h"
+#include "diffsettings.h"
+#include "viewsettings.h"
+#include "kompareprefdlg.h"
+#include "komparesaveoptionswidget.h"
+#include "komparesplitter.h"
+
+#include "kompare_part.h"
+
+typedef KParts::GenericFactory<KomparePart> KomparePartFactory;
+K_EXPORT_COMPONENT_FACTORY( libkomparepart, KomparePartFactory )
+
+ViewSettings* KomparePart::m_viewSettings = 0L;
+DiffSettings* KomparePart::m_diffSettings = 0L;
+
+KomparePart::KomparePart( QWidget *parentWidget, const char *widgetName,
+                          QObject *parent, const char *name, const QStringList & /*args*/ ) :
+	KParts::ReadWritePart(parent, name),
+	m_tempDiff( 0 ),
+	m_info()
+{
+	// we need an instance
+	setInstance( KomparePartFactory::instance() );
+
+	if( !m_viewSettings ) {
+		m_viewSettings = new ViewSettings( 0 );
+	}
+	if( !m_diffSettings ) {
+		m_diffSettings = new DiffSettings( 0 );
+	}
+
+	readProperties( kapp->config() );
+
+	// This creates the "Model creator" and connects the signals and slots
+	m_modelList = new Diff2::KompareModelList( m_diffSettings, m_info, this, "komparemodellist" );
+	connect( m_modelList, SIGNAL(status( Kompare::Status )),
+	         this, SLOT(slotSetStatus( Kompare::Status )) );
+	connect( m_modelList, SIGNAL(setStatusBarModelInfo( int, int, int, int, int )),
+	         this, SIGNAL(setStatusBarModelInfo( int, int, int, int, int )) );
+	connect( m_modelList, SIGNAL(error( QString )),
+	         this, SLOT(slotShowError( QString )) );
+	connect( m_modelList, SIGNAL(applyAllDifferences( bool )),
+	         this, SLOT(updateActions()) );
+	connect( m_modelList, SIGNAL(applyDifference( bool )),
+	         this, SLOT(updateActions()) );
+	connect( m_modelList, SIGNAL(applyAllDifferences( bool )),
+	         this, SIGNAL(appliedChanged()) );
+	connect( m_modelList, SIGNAL(applyDifference( bool )),
+	         this, SIGNAL(appliedChanged()) );
+
+	connect( m_modelList, SIGNAL( setModified( bool ) ),
+	         this, SLOT( slotSetModified( bool ) ) );
+
+	// This is the stuff to connect the "interface" of the kompare part to the model inside
+	connect( m_modelList, SIGNAL(modelsChanged(const Diff2::DiffModelList*)),
+	         this, SIGNAL(modelsChanged(const Diff2::DiffModelList*)) );
+
+	connect( m_modelList, SIGNAL(setSelection(const Diff2::DiffModel*, const Diff2::Difference*)),
+	         this, SIGNAL(setSelection(const Diff2::DiffModel*, const Diff2::Difference*)) );
+	connect( this, SIGNAL(selectionChanged(const Diff2::DiffModel*, const Diff2::Difference*)),
+	         m_modelList, SLOT(slotSelectionChanged(const Diff2::DiffModel*, const Diff2::Difference*)) );
+
+	connect( m_modelList, SIGNAL(setSelection(const Diff2::Difference*)),
+	         this, SIGNAL(setSelection(const Diff2::Difference*)) );
+	connect( this, SIGNAL(selectionChanged(const Diff2::Difference*)),
+	         m_modelList, SLOT(slotSelectionChanged(const Diff2::Difference*)) );
+
+	connect( m_modelList, SIGNAL(applyDifference(bool)),
+	         this, SIGNAL(applyDifference(bool)) );
+	connect( m_modelList, SIGNAL(applyAllDifferences(bool)),
+	         this, SIGNAL(applyAllDifferences(bool)) );
+	connect( m_modelList, SIGNAL(applyDifference(const Diff2::Difference*, bool)),
+	         this, SIGNAL(applyDifference(const Diff2::Difference*, bool)) );
+
+	// This creates the splitterwidget and connects the signals and slots
+	m_splitter = new KompareSplitter ( m_viewSettings, parentWidget, widgetName );
+
+	connect( m_modelList, SIGNAL(setSelection(const Diff2::DiffModel*, const Diff2::Difference*)),
+	         m_splitter,  SLOT(slotSetSelection(const Diff2::DiffModel*, const Diff2::Difference*)) );
+//	connect( m_splitter,  SIGNAL(selectionChanged(const Diff2::Difference*, const Diff2::Difference*)),
+//	         m_modelList, SLOT(slotSelectionChanged(const Diff2::Difference*, const Diff2::Difference*)) );
+	connect( m_modelList, SIGNAL(setSelection(const Diff2::Difference*)),
+	         m_splitter,  SLOT(slotSetSelection(const Diff2::Difference*)) );
+	connect( m_splitter,  SIGNAL(selectionChanged(const Diff2::Difference*)),
+	         m_modelList, SLOT(slotSelectionChanged(const Diff2::Difference*)) );
+
+	connect( m_modelList, SIGNAL(applyDifference(bool)),
+	         m_splitter, SLOT(slotApplyDifference(bool)) );
+	connect( m_modelList, SIGNAL(applyAllDifferences(bool)),
+	         m_splitter, SLOT(slotApplyAllDifferences(bool)) );
+	connect( m_modelList, SIGNAL(applyDifference(const Diff2::Difference*, bool)),
+	         m_splitter, SLOT(slotApplyDifference(const Diff2::Difference*, bool)) );
+	connect( this, SIGNAL(configChanged()), m_splitter, SIGNAL(configChanged()) );
+
+	// notify the part that this is our internal widget
+	setWidget( m_splitter->parentWidget() );
+
+	setupActions();
+
+	// set our XML-UI resource file
+	setXMLFile( "komparepartui.rc" );
+
+	// we are read-write by default -> uhm what if we are opened by lets say konq in RO mode ?
+	// Then we should not be doing this...
+	setReadWrite( true );
+
+	// we are not modified since we haven't done anything yet
+	setModified( false );
+}
+
+KomparePart::~KomparePart()
+{
+	// This is the only place allowed to call cleanUpTemporaryFiles
+	// because before there might still be a use for them (when swapping)
+	cleanUpTemporaryFiles();
+}
+
+void KomparePart::setupActions()
+{
+	// create our actions
+
+	m_saveAll         = new KAction( i18n("Save &All"), "save_all", 0,
+	                                 this, SLOT(saveAll()),
+	                                 actionCollection(), "file_save_all" );
+	m_saveDiff        = new KAction( i18n("Save .&diff..."), 0,
+	                                 this, SLOT(saveDiff()),
+	                                 actionCollection(), "file_save_diff" );
+	m_swap            = new KAction( i18n( "Swap Source with Destination" ), 0,
+	                                 this, SLOT(slotSwap()),
+	                                 actionCollection(), "file_swap" );
+	m_diffStats       = new KAction( i18n( "Show Statistics" ), 0,
+	                                 this, SLOT(slotShowDiffstats()),
+	                                 actionCollection(), "file_diffstats" );
+
+	KStdAction::preferences(this, SLOT(optionsPreferences()), actionCollection());
+}
+
+void KomparePart::updateActions()
+{
+	m_saveAll->setEnabled  ( m_modelList->isModified() );
+	m_saveDiff->setEnabled ( m_modelList->mode() == Kompare::ComparingFiles || m_modelList->mode() == Kompare::ComparingDirs );
+	m_swap->setEnabled     ( m_modelList->mode() == Kompare::ComparingFiles || m_modelList->mode() == Kompare::ComparingDirs );
+	m_diffStats->setEnabled( m_modelList->modelCount() > 0 );
+}
+
+void KomparePart::setEncoding( const QString& encoding )
+{
+	kdDebug() << "Encoding: " << encoding << endl;
+	m_modelList->setEncoding( encoding );
+}
+
+bool KomparePart::openDiff( const KURL& url )
+{
+	kdDebug(8103) << "Url = " << url.url() << endl;
+
+	emit kompareInfo( &m_info );
+
+	m_info.mode = Kompare::ShowingDiff;
+	m_info.source = url;
+	bool result = false;
+	m_info.localSource = fetchURL( url );
+	if ( !m_info.localSource.isEmpty() )
+	{
+		kdDebug(8103) << "Download succeeded " << endl;
+		result = m_modelList->openDiff( m_info.localSource );
+		updateActions();
+		updateCaption();
+		updateStatus();
+	}
+	else
+	{
+		kdDebug(8103) << "Download failed !" << endl;
+	}
+
+	return result;
+}
+
+bool KomparePart::openDiff( const QString& diffOutput )
+{
+	bool value = false;
+
+	emit kompareInfo( &m_info );
+
+	m_info.mode = Kompare::ShowingDiff;
+
+	if ( m_modelList->parseDiffOutput( diffOutput ) == 0 )
+	{
+		value = true;
+		m_modelList->show();
+		updateActions();
+		updateCaption();
+		updateStatus();
+	}
+
+	return value;
+}
+
+bool KomparePart::openDiff3( const KURL& diff3Url )
+{
+	// FIXME: Implement this !!!
+	kdDebug(8103) << "Not implemented yet. Filename is: " << diff3Url.url() << endl;
+	return false;
+}
+
+bool KomparePart::openDiff3( const QString& diff3Output )
+{
+	// FIXME: Implement this !!!
+	kdDebug(8103) << "Not implemented yet. diff3 output is: " << endl;
+	kdDebug(8103) << diff3Output << endl;
+	return false;
+}
+
+bool KomparePart::exists( const QString& url )
+{
+	QFileInfo fi( url );
+	return fi.exists();
+}
+
+const QString KomparePart::fetchURL( const KURL& url )
+{
+	QString tempFileName( "" );
+	if ( !url.isLocalFile() )
+	{
+		if ( ! KIO::NetAccess::download( url, tempFileName, widget() ) )
+		{
+			slotShowError( i18n( "<qt>The URL <b>%1</b> cannot be downloaded.</qt>" ).arg( url.prettyURL() ) );
+			tempFileName = "";
+		}
+		return tempFileName;
+	}
+	else
+	{
+		// is Local already, check if exists
+		if ( exists( url.path() ) )
+			return url.path();
+		else
+		{
+			slotShowError( i18n( "<qt>The URL <b>%1</b> does not exist on your system.</qt>" ).arg( url.prettyURL() ) );
+			return tempFileName;
+		}
+	}
+}
+
+void KomparePart::cleanUpTemporaryFiles()
+{
+	// i hope a local file will not be removed if it was not downloaded...
+	if ( !m_info.localSource.isEmpty() )
+		KIO::NetAccess::removeTempFile( m_info.localSource );
+	if ( !m_info.localDestination.isEmpty() )
+		KIO::NetAccess::removeTempFile( m_info.localDestination );
+}
+
+void KomparePart::compare( const KURL& source, const KURL& destination )
+{
+	m_info.source = source;
+	m_info.destination = destination;
+
+	m_info.localSource = fetchURL( source );
+	m_info.localDestination = fetchURL( destination );
+
+	emit kompareInfo( &m_info );
+
+	if ( !m_info.localSource.isEmpty() && !m_info.localDestination.isEmpty() )
+	{
+		m_modelList->compare( m_info.localSource, m_info.localDestination );
+		updateActions();
+		updateCaption();
+		updateStatus();
+	}
+}
+
+void KomparePart::compareFiles( const KURL& sourceFile, const KURL& destinationFile )
+{
+	emit kompareInfo( &m_info );
+
+	m_info.mode = Kompare::ComparingFiles;
+
+	m_info.source = sourceFile;
+	m_info.destination = destinationFile;
+
+	m_info.localSource = fetchURL( sourceFile );
+	m_info.localDestination = fetchURL( destinationFile );
+
+	if ( !m_info.localSource.isEmpty() && !m_info.localDestination.isEmpty() )
+	{
+		m_modelList->compareFiles( m_info.localSource, m_info.localDestination );
+		updateActions();
+		updateCaption();
+		updateStatus();
+	}
+}
+
+void KomparePart::compareDirs( const KURL& sourceDirectory, const KURL& destinationDirectory )
+{
+	emit kompareInfo( &m_info );
+
+	m_info.mode = Kompare::ComparingDirs;
+
+	m_info.source = sourceDirectory;
+	m_info.destination = destinationDirectory;
+
+	m_info.localSource = fetchURL( sourceDirectory );
+	m_info.localDestination = fetchURL( destinationDirectory );
+
+	if ( !m_info.localSource.isEmpty() && !m_info.localDestination.isEmpty() )
+	{
+		m_modelList->compareDirs( m_info.localSource, m_info.localDestination );
+		updateActions();
+		updateCaption();
+		updateStatus();
+	}
+}
+
+void KomparePart::compare3Files( const KURL& /*originalFile*/, const KURL& /*changedFile1*/, const KURL& /*changedFile2*/ )
+{
+	// FIXME: actually implement this some day :)
+	updateActions();
+	updateCaption();
+	updateStatus();
+}
+
+void KomparePart::openFileAndDiff( const KURL& file, const KURL& diffFile )
+{
+	emit kompareInfo( &m_info );
+
+	m_info.source = file;
+	m_info.destination = diffFile;
+
+	m_info.localSource = fetchURL( file );
+	m_info.localDestination = fetchURL( diffFile );
+	m_info.mode = Kompare::BlendingFile;
+
+	if ( !m_info.localSource.isEmpty() && !m_info.localDestination.isEmpty() )
+	{
+		m_modelList->openFileAndDiff( m_info.localSource, m_info.localDestination );
+		updateActions();
+		updateCaption();
+		updateStatus();
+	}
+}
+
+void KomparePart::openDirAndDiff ( const KURL& dir,  const KURL& diffFile )
+{
+	emit kompareInfo( &m_info );
+
+	m_info.source = dir;
+	m_info.destination = diffFile;
+
+	m_info.localSource = fetchURL( dir );
+	m_info.localDestination = fetchURL( diffFile );
+	m_info.mode = Kompare::BlendingDir;
+
+	if ( !m_info.localSource.isEmpty() && !m_info.localDestination.isEmpty() )
+	{
+		m_modelList->openDirAndDiff( m_info.localSource, m_info.localDestination );
+		updateActions();
+		updateCaption();
+		updateStatus();
+	}
+}
+
+bool KomparePart::openFile()
+{
+	// This is called from openURL
+	// This is a little inefficient but i will do it anyway
+	openDiff( m_url );
+	return true;
+}
+
+bool KomparePart::saveAll()
+{
+	bool result = m_modelList->saveAll();
+	updateActions();
+	updateCaption();
+	updateStatus();
+	return result;
+}
+
+void KomparePart::saveDiff()
+{
+	KDialogBase* dlg = new KDialogBase( widget(), "save_options",
+	                                    true /* modal */, i18n("Diff Options"),
+	                                    KDialogBase::Ok|KDialogBase::Cancel );
+	KompareSaveOptionsWidget* w = new KompareSaveOptionsWidget(
+	                                             m_info.localSource,
+	                                             m_info.localDestination,
+	                                             m_diffSettings, dlg );
+	dlg->setMainWidget( w );
+	dlg->setButtonOK( KStdGuiItem::save() );
+
+	if( dlg->exec() ) {
+		w->saveOptions();
+		KConfig* config = instance()->config();
+		saveProperties( config );
+		config->sync();
+
+		while ( 1 )
+		{
+			KURL url = KFileDialog::getSaveURL( m_info.destination.url(),
+			              i18n("*.diff *.dif *.patch|Patch Files"), widget(), i18n( "Save .diff" ) );
+			if ( KIO::NetAccess::exists( url, false, widget() ) )
+			{
+				int result = KMessageBox::warningYesNoCancel( widget(), i18n("The file exists or is write-protected; do you want to overwrite it?"), i18n("File Exists"), i18n("Overwrite"), i18n("Do Not Overwrite") );
+				if ( result == KMessageBox::Cancel )
+				{
+					break;
+				}
+				else if ( result == KMessageBox::No )
+				{
+					continue;
+				}
+				else
+				{
+					kdDebug(8103) << "URL = " << url.prettyURL() << endl;
+					kdDebug(8103) << "Directory = " << w->directory() << endl;
+					kdDebug(8103) << "DiffSettings = " << m_diffSettings << endl;
+
+					m_modelList->saveDiff( url.url(), w->directory(), m_diffSettings );
+					break;
+				}
+			}
+			else
+			{
+				kdDebug(8103) << "URL = " << url.prettyURL() << endl;
+				kdDebug(8103) << "Directory = " << w->directory() << endl;
+				kdDebug(8103) << "DiffSettings = " << m_diffSettings << endl;
+
+				m_modelList->saveDiff( url.url(), w->directory(), m_diffSettings );
+				break;
+			}
+		}
+	}
+	delete dlg;
+}
+
+KAboutData *KomparePart::createAboutData()
+{
+    KAboutData *about = new KAboutData("kompare", I18N_NOOP("KomparePart"), "3.2");
+    about->addAuthor("John Firebaugh", "Author", "[email protected]");
+    about->addAuthor("Otto Bruggeman", "Author", "[email protected]" );
+    return about;
+}
+
+void KomparePart::slotSetStatus( enum Kompare::Status status )
+{
+	updateActions();
+
+	switch( status ) {
+	case Kompare::RunningDiff:
+		emit setStatusBarText( i18n( "Running diff..." ) );
+		break;
+	case Kompare::Parsing:
+		emit setStatusBarText( i18n( "Parsing diff output..." ) );
+		break;
+	case Kompare::FinishedParsing:
+		updateStatus();
+		break;
+	case Kompare::FinishedWritingDiff:
+		updateStatus();
+		emit diffURLChanged();
+		break;
+	default:
+		break;
+	}
+}
+
+void KomparePart::updateCaption()
+{
+	QString source = m_info.source.prettyURL();
+	QString destination = m_info.destination.prettyURL();
+
+	QString text;
+
+	switch ( m_info.mode )
+	{
+	case Kompare::ComparingFiles :
+	case Kompare::ComparingDirs :
+	case Kompare::BlendingFile :
+	case Kompare::BlendingDir :
+		text = source + ":" + destination;
+		break;
+	case Kompare::ShowingDiff :
+		text = source;
+		break;
+	default:
+		break;
+	}
+
+	emit setWindowCaption( text );
+}
+
+void KomparePart::updateStatus()
+{
+	QString source = m_info.source.prettyURL();
+	QString destination = m_info.destination.prettyURL();
+
+	QString text;
+
+	switch ( m_info.mode )
+	{
+	case Kompare::ComparingFiles :
+		text = i18n( "Comparing file %1 with file %2" )
+		   .arg( source )
+		   .arg( destination );
+		break;
+	case Kompare::ComparingDirs :
+		text = i18n( "Comparing files in %1 with files in %2" )
+		   .arg( source )
+		   .arg( destination );
+		break;
+	case Kompare::ShowingDiff :
+		text = i18n( "Viewing diff output from %1" ).arg( source );
+		break;
+	case Kompare::BlendingFile :
+		text = i18n( "Blending diff output from %1 into file %2" )
+		    .arg( source )
+		    .arg( destination );
+		break;
+	case Kompare::BlendingDir :
+		text = i18n( "Blending diff output from %1 into folder %2" )
+		    .arg( m_info.source.prettyURL() )
+		    .arg( m_info.destination.prettyURL() );
+		break;
+	default:
+		break;
+	}
+
+	emit setStatusBarText( text );
+}
+
+void KomparePart::slotShowError( QString error )
+{
+	KMessageBox::error( widget(), error );
+}
+
+void KomparePart::slotSwap()
+{
+	if ( isModified() )
+	{
+		int query = KMessageBox::warningYesNoCancel
+		            (
+		                widget(),
+		                i18n( "You have made changes to the destination file(s).\n"
+		                      "Would you like to save them?" ),
+		                i18n(  "Save Changes?" ),
+		                KStdGuiItem::save(),
+		                KStdGuiItem::discard()
+		            );
+
+		if ( query == KMessageBox::Yes )
+			m_modelList->saveAll();
+
+		if ( query == KMessageBox::Cancel )
+			return; // Abort prematurely so no swapping
+	}
+
+	// Swap the info in the Kompare::Info struct
+	KURL url = m_info.source;
+	m_info.source = m_info.destination;
+	m_info.destination = url;
+
+	QString string = m_info.localSource;
+	m_info.localSource = m_info.localDestination;
+	m_info.localDestination = string;
+
+	// Update window caption and statusbar text
+	updateCaption();
+	updateStatus();
+
+	m_modelList->swap();
+}
+
+void KomparePart::slotShowDiffstats( void )
+{
+	// Fetch all the args needed for komparestatsmessagebox
+	// oldfile, newfile, diffformat, noofhunks, noofdiffs
+
+	QString oldFile;
+	QString newFile;
+	QString diffFormat;
+	int filesInDiff;
+	int noOfHunks;
+	int noOfDiffs;
+
+	oldFile = m_modelList->selectedModel() ? m_modelList->selectedModel()->sourceFile()  : QString( "" );
+	newFile = m_modelList->selectedModel() ? m_modelList->selectedModel()->destinationFile() : QString( "" );
+
+	if ( m_modelList->selectedModel() )
+	{
+		switch( m_info.format ) {
+		case Kompare::Unified :
+			diffFormat = i18n( "Unified" );
+			break;
+		case Kompare::Context :
+			diffFormat = i18n( "Context" );
+			break;
+		case Kompare::RCS :
+			diffFormat = i18n( "RCS" );
+			break;
+		case Kompare::Ed :
+			diffFormat = i18n( "Ed" );
+			break;
+		case Kompare::Normal :
+			diffFormat = i18n( "Normal" );
+			break;
+		case Kompare::UnknownFormat :
+		default:
+			diffFormat = i18n( "Unknown" );
+			break;
+		}
+	}
+	else
+	{
+		diffFormat = "";
+	}
+
+	filesInDiff = m_modelList->modelCount();
+
+	noOfHunks = m_modelList->selectedModel() ? m_modelList->selectedModel()->hunkCount() : 0;
+	noOfDiffs = m_modelList->selectedModel() ? m_modelList->selectedModel()->differenceCount() : 0;
+
+	if ( m_modelList->modelCount() == 0 ) { // no diff loaded yet
+		KMessageBox::information( 0L, i18n(
+		    "No diff file, or no 2 files have been diffed. "
+		    "Therefore no stats are available."),
+		    i18n("Diff Statistics"), QString::null, false );
+	}
+	else if ( m_modelList->modelCount() == 1 ) { // 1 file in diff, or 2 files compared
+		KMessageBox::information( 0L, i18n(
+		    "Statistics:\n"
+		    "\n"
+		    "Old file: %1\n"
+		    "New file: %2\n"
+		    "\n"
+		    "Format: %3\n"
+		    "Number of hunks: %4\n"
+		    "Number of differences: %5")
+		    .arg(oldFile).arg(newFile).arg(diffFormat)
+		    .arg(noOfHunks).arg(noOfDiffs),
+		    i18n("Diff Statistics"), QString::null, false );
+	} else { // more than 1 file in diff, or 2 directories compared
+		KMessageBox::information( 0L, i18n(
+		    "Statistics:\n"
+		    "\n"
+		    "Number of files in diff file: %1\n"
+		    "Format: %2\n"
+		    "\n"
+		    "Current old file: %3\n"
+		    "Current new file: %4\n"
+		    "\n"
+		    "Number of hunks: %5\n"
+		    "Number of differences: %6")
+		    .arg(filesInDiff).arg(diffFormat).arg(oldFile)
+		    .arg(newFile).arg(noOfHunks).arg(noOfDiffs),
+		    i18n("Diff Statistics"), QString::null, false );
+	}
+}
+
+bool KomparePart::queryClose()
+{
+	if( !isModified() ) return true;
+
+	int query = KMessageBox::warningYesNoCancel
+	            (
+	                widget(),
+	                i18n("You have made changes to the destination file(s).\n"
+	                     "Would you like to save them?" ),
+	                i18n( "Save Changes?" ),
+	                KStdGuiItem::save(),
+	                KStdGuiItem::discard()
+	            );
+
+	if( query == KMessageBox::Cancel )
+		return false;
+
+	if( query == KMessageBox::Yes )
+		return m_modelList->saveAll();
+
+	return true;
+}
+
+int KomparePart::readProperties( KConfig *config )
+{
+	m_viewSettings->loadSettings( config );
+	m_diffSettings->loadSettings( config );
+	emit configChanged();
+	return 0;
+}
+
+int KomparePart::saveProperties( KConfig *config )
+{
+	m_viewSettings->saveSettings( config );
+	m_diffSettings->saveSettings( config );
+	return 0;
+}
+
+void KomparePart::optionsPreferences()
+{
+	// show preferences
+	KomparePrefDlg* pref = new KomparePrefDlg( m_viewSettings, m_diffSettings );
+
+	connect( pref, SIGNAL(applyClicked()), this, SIGNAL(configChanged()) );
+
+	if ( pref->exec() )
+		emit configChanged();
+}
+
+void KomparePart::slotSetModified( bool modified )
+{ 
+	kdDebug() << "KomparePart::slotSetModified( " << modified << " );" << endl;
+	setModified( modified );
+	updateActions();
+	updateCaption();
+}
+
+#include "kompare_part.moc"