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, 409 insertions, 0 deletions

diff --git a/kompare/libdiff2/diffmodel.cpp b/kompare/libdiff2/diffmodel.cpp
new file mode 100644
index 00000000..54c33457
--- /dev/null
+++ b/kompare/libdiff2/diffmodel.cpp
@@ -0,0 +1,409 @@
+/***************************************************************************
+                                diffmodel.cpp  -  description
+                                -------------------
+        begin                   : Sun Mar 4 2001
+        copyright               : (C) 2001-2004 Otto Bruggeman
+                                  (C) 2001-2003 John Firebaugh
+        email                   : otto.bruggeman@home.nl
+                                  jfirebaugh@kde.org
+****************************************************************************/
+
+/***************************************************************************
+**
+**   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 <qregexp.h>
+#include <qvaluelist.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+
+#include "difference.h"
+#include "diffhunk.h"
+#include "diffmodel.h"
+
+using namespace Diff2;
+
+/**  */
+DiffModel::DiffModel( const QString& source, const QString& destination ) :
+	m_source( source ),
+	m_destination( destination ),
+	m_sourcePath( "" ),
+	m_destinationPath( "" ),
+	m_sourceFile( "" ),
+	m_destinationFile( "" ),
+	m_sourceTimestamp( "" ),
+	m_destinationTimestamp( "" ),
+	m_sourceRevision( "" ),
+	m_destinationRevision( "" ),
+	m_appliedCount( 0 ),
+	m_modified( false ),
+	m_diffIndex( 0 ),
+	m_selectedDifference( 0 ),
+	m_blended( false )
+{
+	splitSourceInPathAndFileName();
+	splitDestinationInPathAndFileName();
+}
+
+DiffModel::DiffModel() :
+	m_source( "" ),
+	m_destination( "" ),
+	m_sourcePath( "" ),
+	m_destinationPath( "" ),
+	m_sourceFile( "" ),
+	m_destinationFile( "" ),
+	m_sourceTimestamp( "" ),
+	m_destinationTimestamp( "" ),
+	m_sourceRevision( "" ),
+	m_destinationRevision( "" ),
+	m_appliedCount( 0 ),
+	m_modified( false ),
+	m_diffIndex( 0 ),
+	m_selectedDifference( 0 ),
+	m_blended( false )
+{
+}
+
+/**  */
+DiffModel::~DiffModel()
+{
+}
+
+void DiffModel::splitSourceInPathAndFileName()
+{
+	int pos;
+
+	if( ( pos = m_source.findRev( "/" ) ) >= 0 )
+		m_sourcePath = m_source.mid( 0, pos+1 );
+
+	if( ( pos = m_source.findRev( "/" ) ) >= 0 )
+		m_sourceFile = m_source.mid( pos+1, m_source.length() - pos );
+	else
+		m_sourceFile = m_source;
+
+	kdDebug(8101) << m_source << " was split into " << m_sourcePath << " and " << m_sourceFile << endl;
+}
+
+void DiffModel::splitDestinationInPathAndFileName()
+{
+	int pos;
+
+	if( ( pos = m_destination.findRev( "/" ) )>= 0 )
+		m_destinationPath = m_destination.mid( 0, pos+1 );
+
+	if( ( pos = m_destination.findRev( "/" ) ) >= 0 )
+		m_destinationFile = m_destination.mid( pos+1, m_destination.length() - pos );
+	else
+		m_destinationFile = m_source;
+
+	kdDebug(8101) << m_destination << " was split into " << m_destinationPath << " and " << m_destinationFile << endl;
+}
+
+DiffModel& DiffModel::operator=( const DiffModel& model )
+{
+	if ( &model != this ) // Guard from self-assignment
+	{
+		m_source = model.m_source;
+		m_destination = model.m_destination;
+		m_sourcePath = model.m_sourcePath;
+		m_sourceFile = model.m_sourceFile;
+		m_sourceTimestamp = model.m_sourceTimestamp;
+		m_sourceRevision = model.m_sourceRevision;
+		m_destinationPath = model.m_destinationPath;
+		m_destinationFile = model.m_destinationFile;
+		m_destinationTimestamp = model.m_destinationTimestamp;
+		m_destinationRevision = model.m_destinationRevision;
+		m_appliedCount = model.m_appliedCount;
+		m_modified = model.m_modified;
+
+		m_diffIndex = model.m_diffIndex;
+		m_selectedDifference = model.m_selectedDifference;
+	}
+
+	return *this;
+}
+
+bool DiffModel::operator<( const DiffModel& model )
+{
+	if ( localeAwareCompareSource( model ) < 0 )
+		return true;
+	return false;
+}
+
+int DiffModel::localeAwareCompareSource( const DiffModel& model )
+{
+	int result = m_sourcePath.localeAwareCompare( model.m_sourcePath );
+
+	if ( result == 0 )
+		return m_sourceFile.localeAwareCompare( model.m_sourceFile );
+
+	return result;
+}
+
+QString DiffModel::recreateDiff() const
+{
+	// For now we'll always return a diff in the diff format
+	QString diff;
+
+	// recreate header
+	QString tab = QString::fromLatin1( "\t" );
+	QString nl  = QString::fromLatin1( "\n" );
+	diff += QString::fromLatin1( "--- %1\t%2" ).arg( m_source ).arg( m_sourceTimestamp );
+	if ( !m_sourceRevision.isEmpty() )
+		diff += tab + m_sourceRevision;
+	diff += nl;
+	diff += QString::fromLatin1( "+++ %1\t%2" ).arg( m_destination ).arg( m_destinationTimestamp );
+	if ( !m_destinationRevision.isEmpty() )
+		diff += tab + m_destinationRevision;
+	diff += nl;
+
+	// recreate body by iterating over the hunks
+	DiffHunkListConstIterator hunkIt = m_hunks.begin();
+	DiffHunkListConstIterator hEnd   = m_hunks.end();
+
+	for ( ; hunkIt != hEnd; ++hunkIt )
+	{
+		if ((*hunkIt)->type() != DiffHunk::AddedByBlend)
+			diff += (*hunkIt)->recreateHunk();
+	}
+
+	return diff;
+}
+
+DifferenceList* DiffModel::allDifferences()
+{
+	if ( m_hunks.count() != 0 )
+	{
+		DiffHunkListConstIterator hunkIt = m_hunks.begin();
+		DiffHunkListConstIterator hEnd   = m_hunks.end();
+
+		for ( ; hunkIt != hEnd; ++hunkIt )
+		{
+			DiffHunk* hunk = *hunkIt;
+
+			DifferenceListConstIterator diffIt = hunk->differences().begin();
+			DifferenceListConstIterator dEnd   = hunk->differences().end();
+
+			for ( ; diffIt != dEnd; ++diffIt )
+			{
+				m_allDifferences.append( *diffIt );
+			}
+		}
+		return &m_allDifferences;
+	}
+	else
+	{
+		DifferenceList *diffList = new DifferenceList;
+		return diffList;
+	}
+}
+
+Difference* DiffModel::firstDifference()
+{
+	kdDebug( 8101 ) << "DiffModel::firstDifference()" << endl;
+	m_diffIndex = 0;
+	kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
+
+	m_selectedDifference = m_differences[ m_diffIndex ];
+
+	return m_selectedDifference;
+}
+
+Difference* DiffModel::lastDifference()
+{
+	kdDebug( 8101 ) << "DiffModel::lastDifference()" << endl;
+	m_diffIndex = m_differences.count() - 1;
+	kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
+
+	m_selectedDifference = m_differences[ m_diffIndex ];
+
+	return m_selectedDifference;
+}
+
+Difference* DiffModel::prevDifference()
+{
+	kdDebug( 8101 ) << "DiffModel::prevDifference()" << endl;
+	if ( --m_diffIndex < m_differences.count() )
+	{
+		kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
+		m_selectedDifference = m_differences[ m_diffIndex ];
+	}
+	else
+	{
+		m_selectedDifference = 0;
+		m_diffIndex = 0;
+		kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
+	}
+
+	return m_selectedDifference;
+}
+
+Difference* DiffModel::nextDifference()
+{
+	kdDebug( 8101 ) << "DiffModel::nextDifference()" << endl;
+	if (  ++m_diffIndex < m_differences.count() )
+	{
+		kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
+		m_selectedDifference = m_differences[ m_diffIndex ];
+	}
+	else
+	{
+		m_selectedDifference = 0;
+		m_diffIndex = 0; // just for safety...
+		kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
+	}
+
+	return m_selectedDifference;
+}
+
+const QString DiffModel::sourceFile() const
+{
+	return m_sourceFile;
+}
+
+const QString DiffModel::destinationFile() const
+{
+	return m_destinationFile;
+}
+
+const QString DiffModel::sourcePath() const
+{
+	return m_sourcePath;
+}
+
+const QString DiffModel::destinationPath() const
+{
+	return m_destinationPath;
+}
+
+void DiffModel::setSourceFile( QString path )
+{
+	m_source = path;
+	splitSourceInPathAndFileName();
+}
+
+void DiffModel::setDestinationFile( QString path )
+{
+	m_destination = path;
+	splitDestinationInPathAndFileName();
+}
+
+void DiffModel::setSourceTimestamp( QString timestamp )
+{
+	m_sourceTimestamp = timestamp;
+}
+
+void DiffModel::setDestinationTimestamp( QString timestamp )
+{
+	m_destinationTimestamp = timestamp;
+}
+
+void DiffModel::setSourceRevision( QString revision )
+{
+	m_destinationRevision = revision;
+}
+
+void DiffModel::setDestinationRevision( QString revision )
+{
+	m_destinationRevision = revision;
+}
+
+void DiffModel::addHunk( DiffHunk* hunk )
+{
+	m_hunks.append( hunk );
+}
+
+void DiffModel::addDiff( Difference* diff )
+{
+	m_differences.append( diff );
+}
+
+void DiffModel::applyDifference( bool apply )
+{
+	if ( apply && !m_selectedDifference->applied() )
+		m_appliedCount++;
+	else if ( !apply && m_selectedDifference->applied() )
+		m_appliedCount--;
+
+	bool modified;
+
+	// Not setting the m_modified yet so i can still query the current
+	// modified status from the slot that is connected to the signal
+	if ( m_appliedCount == 0 )
+		modified = false;
+	else
+		modified = true;
+
+	emit setModified( modified );
+
+	m_modified = modified;
+
+	m_selectedDifference->apply( apply );
+}
+
+void DiffModel::applyAllDifferences( bool apply )
+{
+	bool modified;
+
+	// Not setting the m_modified yet so i can still query the current
+	// modified status from the slot that is connected to the signal
+	if ( apply )
+	{
+		m_appliedCount = m_differences.count();
+		modified = true;
+	}
+	else
+	{
+		m_appliedCount = 0;
+		modified = false;
+	}
+
+	emit setModified( modified );
+
+	m_modified = modified;
+
+	DifferenceListIterator diffIt = m_differences.begin();
+	DifferenceListIterator dEnd   = m_differences.end();
+	
+	for ( ; diffIt != dEnd; ++diffIt )
+	{
+		(*diffIt)->apply( apply );
+	}
+}
+
+void DiffModel::slotSetModified( bool modified )
+{
+	// Not setting the m_modified yet so i can still query the current
+	// modified status from the slot that is connected to the signal
+	emit setModified( modified );
+
+	m_modified = modified;
+}
+
+bool DiffModel::setSelectedDifference( Difference* diff )
+{
+	kdDebug(8101) << "diff = " << diff << endl;
+	kdDebug(8101) << "m_selectedDifference = " << m_selectedDifference << endl;
+
+	if ( diff != m_selectedDifference )
+	{
+		if ( ( m_differences.findIndex( diff ) ) == -1 )
+			return false;
+		// Dont set m_diffIndex if it cant be found
+		m_diffIndex = m_differences.findIndex( diff );
+		kdDebug( 8101 ) << "m_diffIndex = " << m_diffIndex << endl;
+		m_selectedDifference = diff;
+	}
+
+	return true;
+}
+
+#include "diffmodel.moc"
+
+/* vim: set ts=4 sw=4 noet: */