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tdesdk/kompare/komparenavtreepart/komparenavtreepart.cpp

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/***************************************************************************
KompareNavTreePart.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 <kdebug.h>
#include <klocale.h>
#include <kiconloader.h>
#include <kmimetype.h>
#include <klistview.h>
#include <kaboutdata.h>
#include "difference.h"
#include "diffmodel.h"
#include "diffmodellist.h"
#include "komparemodellist.h"
#include "komparenavtreepart.h"
#define COL_SOURCE 0
#define COL_DESTINATION 1
#define COL_DIFFERENCE 2
using namespace Diff2;
KompareNavTreePart::KompareNavTreePart( TQWidget* parent, const char* name )
: KParts::ReadOnlyPart( TQT_TQOBJECT(parent), name ),
m_splitter( 0 ),
m_modelList( 0 ),
m_srcDirTree( 0 ),
m_destDirTree( 0 ),
m_fileList( 0 ),
m_changesList( 0 ),
m_srcRootItem( 0 ),
m_destRootItem( 0 ),
m_selectedModel( 0 ),
m_selectedDifference( 0 ),
m_source( "" ),
m_destination( "" ),
m_info( 0 )
{
m_splitter = new TQSplitter( Qt::Horizontal );
setWidget( m_splitter );
m_srcDirTree = new KListView( m_splitter );
m_srcDirTree->addColumn( i18n("Source Folder") );
m_srcDirTree->setRootIsDecorated( false );
m_srcDirTree->setSorting( 0, true );
m_destDirTree = new KListView( m_splitter );
m_destDirTree->addColumn( i18n("Destination Folder") );
m_destDirTree->setRootIsDecorated( false );
m_destDirTree->setSorting( 0, true );
m_fileList = new KListView( m_splitter );
m_fileList->addColumn( i18n("Source File") );
m_fileList->addColumn( i18n("Destination File") );
m_fileList->setAllColumnsShowFocus( true );
m_fileList->setRootIsDecorated( false );
m_fileList->setSorting( 0, true );
m_changesList = new KListView( m_splitter );
m_changesList->addColumn( i18n("Source Line") );
m_changesList->addColumn( i18n("Destination Line") );
m_changesList->addColumn( i18n("Difference") );
m_changesList->setAllColumnsShowFocus( true );
m_changesList->setRootIsDecorated( false );
m_changesList->setSorting( 0, true );
connect( m_srcDirTree, TQT_SIGNAL(selectionChanged( TQListViewItem* )),
this, TQT_SLOT(slotSrcDirTreeSelectionChanged( TQListViewItem* )) );
connect( m_destDirTree, TQT_SIGNAL(selectionChanged( TQListViewItem* )),
this, TQT_SLOT(slotDestDirTreeSelectionChanged( TQListViewItem* )) );
connect( m_fileList, TQT_SIGNAL(selectionChanged( TQListViewItem* )),
this, TQT_SLOT(slotFileListSelectionChanged( TQListViewItem* )) );
connect( m_changesList, TQT_SIGNAL(selectionChanged( TQListViewItem* )),
this, TQT_SLOT(slotChangesListSelectionChanged( TQListViewItem* )) );
}
KompareNavTreePart::~KompareNavTreePart()
{
}
void KompareNavTreePart::slotKompareInfo( struct Kompare::Info* info )
{
m_info = info;
}
void KompareNavTreePart::slotModelsChanged( const DiffModelList* modelList )
{
kdDebug(8105) << "Models (" << modelList << ") have changed... scanning the models... " << endl;
if ( modelList )
{
m_modelList = modelList;
m_srcDirTree->clear();
m_destDirTree->clear();
m_fileList->clear();
m_changesList->clear();
buildTreeInMemory();
}
else
{
m_modelList = modelList;
m_srcDirTree->clear();
m_destDirTree->clear();
m_fileList->clear();
m_changesList->clear();
}
}
void KompareNavTreePart::buildTreeInMemory()
{
kdDebug(8105) << "BuildTreeInMemory called" << endl;
if ( m_modelList->count() == 0 )
{
kdDebug() << "No models... weird shit..." << endl;
return; // avoids a crash on clear()
}
if ( m_info == 0 )
{
kdDebug() << "No Info... weird shit..." << endl;
return;
}
TQString srcBase;
TQString destBase;
DiffModel* model;
model = m_modelList->first();
m_selectedModel = 0L;
switch ( m_info->mode )
{
case Kompare::ShowingDiff:
srcBase = model->sourcePath();
destBase = model->destinationPath();
break;
case Kompare::ComparingFiles:
srcBase = model->sourcePath();
destBase = model->destinationPath();
break;
case Kompare::ComparingDirs:
srcBase = m_info->localSource;
if ( !srcBase.endsWith( "/" ) )
srcBase += "/";
destBase = m_info->localDestination;
if ( !destBase.endsWith( "/" ) )
destBase += "/";
break;
case Kompare::BlendingFile:
case Kompare::BlendingDir:
default:
kdDebug(8105) << "Oops needs to implement this..." << endl;
}
// kdDebug(8105) << "srcBase = " << srcBase << endl;
// kdDebug(8105) << "destBase = " << destBase << endl;
m_srcRootItem = new KDirLVI( m_srcDirTree, srcBase );
m_destRootItem = new KDirLVI( m_destDirTree, destBase );
TQString srcPath;
TQString destPath;
// Create the tree from the models
DiffModelListConstIterator modelIt = m_modelList->begin();
DiffModelListConstIterator mEnd = m_modelList->end();
for ( ; modelIt != mEnd; ++modelIt )
{
model = *modelIt;
srcPath = model->sourcePath();
destPath = model->destinationPath();
kdDebug(8105) << "srcPath = " << srcPath << endl;
kdDebug(8105) << "destPath = " << destPath << endl;
m_srcRootItem->addModel( srcPath, model, &m_modelToSrcDirItemDict );
m_destRootItem->addModel( destPath, model, &m_modelToDestDirItemDict );
}
// m_srcDirTree->setSelected( m_srcDirTree->firstChild(), true );
}
void KompareNavTreePart::buildDirectoryTree()
{
// FIXME: afaict this can be deleted
// kdDebug(8105) << "BuildDirTree called" << endl;
}
TQString KompareNavTreePart::compareFromEndAndReturnSame(
const TQString& string1,
const TQString& string2 )
{
TQString result;
int srcLen = string1.length();
int destLen = string2.length();
while ( srcLen != 0 && destLen != 0 )
{
if ( string1[--srcLen] == string2[--destLen] )
result.prepend( string1[srcLen] );
else
break;
}
if ( srcLen != 0 && destLen != 0 && result.startsWith( "/" ) )
result = result.remove( 0, 1 ); // strip leading /, we need it later
return result;
}
void KompareNavTreePart::slotSetSelection( const DiffModel* model, const Difference* diff )
{
kdDebug(8105) << "KompareNavTreePart::slotSetSelection model = " << model << ", diff = " << diff << endl;
if ( model == m_selectedModel )
{
// model is the same, so no need to update that...
if ( diff != m_selectedDifference )
{
m_selectedDifference = diff;
setSelectedDifference( diff );
}
return;
}
// model is different so we need to find the right dirs, file and changeitems to select
// if m_selectedModel == NULL then everything needs to be done as well
if ( !m_selectedModel || model->sourcePath() != m_selectedModel->sourcePath() )
{ // dirs are different, so we need to update the dirviews as well
m_selectedModel = model;
m_selectedDifference = diff;
setSelectedDir( model );
setSelectedFile( model );
setSelectedDifference( diff );
return;
}
if ( !m_selectedModel || model->sourceFile() != m_selectedModel->sourceFile() )
{
m_selectedModel = model;
setSelectedFile( model );
m_selectedDifference = diff;
setSelectedDifference( diff );
}
}
void KompareNavTreePart::setSelectedDir( const DiffModel* model )
{
KDirLVI* currentDir;
currentDir = m_modelToSrcDirItemDict[ (void*)model ];
kdDebug(8105) << "Manually setting selection in srcdirtree with currentDir = " << currentDir << endl;
m_srcDirTree->blockSignals( true );
m_srcDirTree->setSelected( currentDir, true );
m_srcDirTree->ensureItemVisible( currentDir );
m_srcDirTree->blockSignals( false );
currentDir = m_modelToDestDirItemDict[ (void*)model ];
kdDebug(8105) << "Manually setting selection in destdirtree with currentDir = " << currentDir << endl;
m_destDirTree->blockSignals( true );
m_destDirTree->setSelected( currentDir, true );
m_destDirTree->ensureItemVisible( currentDir );
m_destDirTree->blockSignals( false );
m_fileList->blockSignals( true );
currentDir->fillFileList( m_fileList, &m_modelToFileItemDict );
m_fileList->blockSignals( false );
}
void KompareNavTreePart::setSelectedFile( const DiffModel* model )
{
KFileLVI* currentFile;
currentFile = m_modelToFileItemDict[ (void*)model ];
kdDebug(8105) << "Manually setting selection in filelist" << endl;
m_fileList->blockSignals( true );
m_fileList->setSelected( currentFile, true );
m_fileList->ensureItemVisible( currentFile );
m_fileList->blockSignals( false );
m_changesList->blockSignals( true );
currentFile->fillChangesList( m_changesList, &m_diffToChangeItemDict );
m_changesList->blockSignals( false );
}
void KompareNavTreePart::setSelectedDifference( const Difference* diff )
{
KChangeLVI* currentDiff;
currentDiff = m_diffToChangeItemDict[ (void*)diff ];
kdDebug(8105) << "Manually setting selection in changeslist to " << currentDiff << endl;
m_changesList->blockSignals( true );
m_changesList->setSelected( currentDiff, true );
m_changesList->ensureItemVisible( currentDiff );
m_changesList->blockSignals( false );
}
void KompareNavTreePart::slotSetSelection( const Difference* diff )
{
// kdDebug(8105) << "Scotty i need more power !!" << endl;
if ( m_selectedDifference != diff )
{
// kdDebug(8105) << "But sir, i am giving you all she's got" << endl;
m_selectedDifference = diff;
setSelectedDifference( diff );
}
}
void KompareNavTreePart::slotSrcDirTreeSelectionChanged( TQListViewItem* item )
{
kdDebug(8105) << "Sent by the sourceDirectoryTree with item = " << item << endl;
m_srcDirTree->ensureItemVisible( item );
KDirLVI* dir = static_cast<KDirLVI*>(item);
// order the dest tree view to set its selected item to the same as here
TQString path;
// We start with an empty path and after the call path contains the full path
path = dir->fullPath( path );
KDirLVI* selItem = m_destRootItem->setSelected( path );
m_destDirTree->blockSignals( true );
m_destDirTree->setSelected( selItem, true );
m_destDirTree->ensureItemVisible( selItem );
m_destDirTree->blockSignals( false );
// fill the changes list
dir->fillFileList( m_fileList, &m_modelToFileItemDict );
}
void KompareNavTreePart::slotDestDirTreeSelectionChanged( TQListViewItem* item )
{
kdDebug(8105) << "Sent by the destinationDirectoryTree with item = " << item << endl;
m_destDirTree->ensureItemVisible( item );
KDirLVI* dir = static_cast<KDirLVI*>(item);
// order the src tree view to set its selected item to the same as here
TQString path;
// We start with an empty path and after the call path contains the full path
path = dir->fullPath( path );
KDirLVI* selItem = m_srcRootItem->setSelected( path );
m_srcDirTree->blockSignals( true );
m_srcDirTree->setSelected( selItem, true );
m_srcDirTree->ensureItemVisible( selItem );
m_srcDirTree->blockSignals( false );
// fill the changes list
dir->fillFileList( m_fileList, &m_modelToFileItemDict );
}
void KompareNavTreePart::slotFileListSelectionChanged( TQListViewItem* item )
{
kdDebug(8105) << "Sent by the fileList with item = " << item << endl;
KFileLVI* file = static_cast<KFileLVI*>(item);
m_selectedModel = file->model();
m_changesList->blockSignals( true );
file->fillChangesList( m_changesList, &m_diffToChangeItemDict );
m_changesList->blockSignals( false );
if ( m_changesList->selectedItem() )
{
// FIXME: This is ugly...
m_selectedDifference = (static_cast<KChangeLVI*>(m_changesList->selectedItem()))->difference();
}
emit selectionChanged( m_selectedModel, m_selectedDifference );
}
void KompareNavTreePart::slotChangesListSelectionChanged( TQListViewItem* item )
{
kdDebug(8105) << "Sent by the changesList" << endl;
KChangeLVI* change = static_cast<KChangeLVI*>(item);
m_selectedDifference = change->difference();
emit selectionChanged( m_selectedDifference );
}
void KompareNavTreePart::slotApplyDifference( bool /*apply*/ )
{
KChangeLVI* clvi = m_diffToChangeItemDict[(void*)m_selectedDifference];
if ( clvi )
clvi->setDifferenceText();
}
void KompareNavTreePart::slotApplyAllDifferences( bool /*apply*/ )
{
TQPtrDictIterator<KChangeLVI> it( m_diffToChangeItemDict );
kdDebug() << "m_diffToChangeItemDict.count() = " << m_diffToChangeItemDict.count() << endl;
for ( ; it.current(); ++it )
{
it.current()->setDifferenceText();
}
}
void KompareNavTreePart::slotApplyDifference( const Difference* diff, bool /*apply*/ )
{
// this applies to the currently selected difference
KChangeLVI* clvi = m_diffToChangeItemDict[(void*)diff];
if ( clvi )
clvi->setDifferenceText();
}
void KChangeLVI::setDifferenceText()
{
TQString text;
switch( m_difference->type() ) {
case Difference::Change:
// Shouldn't this simply be diff->sourceLineCount() ?
// because you change the _number of lines_ lines in source, not in dest
if( m_difference->applied() )
text = i18n( "Applied: Changes made to %n line undone", "Applied: Changes made to %n lines undone",
m_difference->sourceLineCount() );
else
text = i18n( "Changed %n line", "Changed %n lines",
m_difference->sourceLineCount() );
break;
case Difference::Insert:
if( m_difference->applied() )
text = i18n( "Applied: Insertion of %n line undone", "Applied: Insertion of %n lines undone",
m_difference->destinationLineCount() );
else
text = i18n( "Inserted %n line", "Inserted %n lines",
m_difference->destinationLineCount() );
break;
case Difference::Delete:
if( m_difference->applied() )
text = i18n( "Applied: Deletion of %n line undone", "Applied: Deletion of %n lines undone",
m_difference->sourceLineCount() );
else
text = i18n( "Deleted %n line", "Deleted %n lines",
m_difference->sourceLineCount() );
break;
default:
kdDebug(8105) << "Unknown or Unchanged enum value when checking for diff->type() in KChangeLVI's constructor" << endl;
text = "";
}
setText( 2, text );
}
KChangeLVI::KChangeLVI( KListView* parent, Difference* diff ) : KListViewItem( parent )
{
m_difference = diff;
setText( 0, TQString::number( diff->sourceLineNumber() ) );
setText( 1, TQString::number( diff->destinationLineNumber() ) );
setDifferenceText();
}
int KChangeLVI::compare( TQListViewItem* item, int column, bool ascending ) const
{
if ( ascending )
{
if ( this->text(column).length() < item->text(column).length() )
return -1;
if ( this->text(column).length() > item->text(column).length() )
return 1;
}
else
{
if ( this->text(column).length() > item->text(column).length() )
return -1;
if ( this->text(column).length() < item->text(column).length() )
return 1;
}
return key( column, ascending ).compare( item->key( column, ascending ) );
}
KChangeLVI::~KChangeLVI()
{
}
KFileLVI::KFileLVI( KListView* parent, DiffModel* model ) : KListViewItem( parent )
{
m_model = model;
setText( 0, model->sourceFile() );
setText( 1, model->destinationFile() );
setPixmap( 0, SmallIcon( "txt" ) );
setPixmap( 1, SmallIcon( "txt" ) );
setSelectable( true );
}
void KFileLVI::fillChangesList( KListView* changesList, TQPtrDict<KChangeLVI>* diffToChangeItemDict )
{
changesList->clear();
diffToChangeItemDict->clear();
DifferenceListConstIterator diffIt = m_model->differences()->begin();
DifferenceListConstIterator dEnd = m_model->differences()->end();
for ( ; diffIt != dEnd; ++diffIt )
{
KChangeLVI* change = new KChangeLVI( changesList, *diffIt );
diffToChangeItemDict->insert( *diffIt, change );
}
changesList->setSelected( changesList->firstChild(), true );
}
KFileLVI::~KFileLVI()
{
}
KDirLVI::KDirLVI( KListView* parent, TQString& dir ) : KListViewItem( parent )
{
// kdDebug(8105) << "KDirLVI (KListView) constructor called with dir = " << dir << endl;
m_rootItem = true;
m_dirName = dir;
setPixmap( 0, SmallIcon( "folder" ) );
setOpen( true );
setSelectable( true );
if ( m_dirName.isEmpty() )
setText( 0, i18n( "Unknown" ) );
else
setText( 0, m_dirName );
}
KDirLVI::KDirLVI( KDirLVI* parent, TQString& dir ) : KListViewItem( parent )
{
// kdDebug(8105) << "KDirLVI (KDirLVI) constructor called with dir = " << dir << endl;
m_rootItem = false;
m_dirName = dir;
setPixmap( 0, SmallIcon( "folder" ) );
setOpen( true );
setSelectable( true );
setText( 0, m_dirName );
}
// addModel always removes it own path from the beginning
void KDirLVI::addModel( TQString& path, DiffModel* model, TQPtrDict<KDirLVI>* modelToDirItemDict )
{
// kdDebug(8105) << "KDirLVI::addModel called with path = " << path << " from KDirLVI with m_dirName = " << m_dirName << endl;
if ( !m_dirName.isEmpty() )
{
if ( path.find( m_dirName ) > -1 )
path = path.replace( path.find( m_dirName ), m_dirName.length(), "" );
}
// kdDebug(8105) << "Path after removal of own dir (\"" << m_dirName << "\") = " << path << endl;
if ( path.isEmpty() ) {
m_modelList.append( model );
modelToDirItemDict->insert( model, this );
return;
}
KDirLVI* child;
TQString dir = path.mid( 0, path.find( "/", 0 ) + 1 );
child = findChild( dir );
if ( !child )
{
// does not exist yet so make it
// kdDebug(8105) << "KDirLVI::addModel creating new KDirLVI because not found" << endl;
child = new KDirLVI( this, dir );
}
child->addModel( path, model, modelToDirItemDict );
}
KDirLVI* KDirLVI::findChild( TQString dir )
{
// kdDebug(8105) << "KDirLVI::findChild called with dir = " << dir << endl;
KDirLVI* child;
if ( ( child = static_cast<KDirLVI*>(this->firstChild()) ) != 0L )
{ // has tqchildren, check if dir already exists, if so addModel
do {
if ( dir == child->dirName() )
return child;
} while ( ( child = static_cast<KDirLVI*>(child->nextSibling()) ) != 0L );
}
return 0L;
}
void KDirLVI::fillFileList( KListView* fileList, TQPtrDict<KFileLVI>* modelToFileItemDict )
{
fileList->clear();
DiffModelListIterator modelIt = m_modelList.begin();
DiffModelListIterator mEnd = m_modelList.end();
for ( ;modelIt != mEnd; ++modelIt )
{
KFileLVI* file = new KFileLVI( fileList, *modelIt );
modelToFileItemDict->insert( *modelIt, file );
}
fileList->setSelected( fileList->firstChild(), true );
}
TQString KDirLVI::fullPath( TQString& path )
{
// if ( !path.isEmpty() )
// kdDebug(8105) << "KDirLVI::fullPath called with path = " << path << endl;
// else
// kdDebug(8105) << "KDirLVI::fullPath called with empty path..." << endl;
if ( m_rootItem ) // dont bother adding rootItem's dir...
return path;
path = path.prepend( m_dirName );
KDirLVI* lviParent = dynamic_cast<KDirLVI*>( parent() );
if ( lviParent )
{
path = lviParent->fullPath( path );
}
return path;
}
KDirLVI* KDirLVI::setSelected( TQString dir )
{
// kdDebug(8105) << "KDirLVI::setSelected called with dir = " << dir << endl;
// root item's dirName is never taken into account... remember that
if ( !m_rootItem )
{
dir = dir.remove( 0, m_dirName.length() );
}
if ( dir.isEmpty() )
{
return this;
}
KDirLVI* child = static_cast<KDirLVI*>(firstChild());
if ( !child )
return 0L;
do {
if ( dir.startsWith( child->dirName() ) )
return child->setSelected( dir );
} while ( ( child = static_cast<KDirLVI*>(child->nextSibling()) ) != 0L );
return 0L;
}
KDirLVI::~KDirLVI()
{
}
// part stuff
KInstance* KompareNavTreePartFactory::s_instance = 0L;
KAboutData* KompareNavTreePartFactory::s_about = 0L;
KompareNavTreePartFactory::KompareNavTreePartFactory()
: KParts::Factory()
{
}
KompareNavTreePartFactory::~KompareNavTreePartFactory()
{
delete s_instance;
delete s_about;
s_instance = 0L;
}
KParts::Part* KompareNavTreePartFactory::createPartObject( TQWidget* parentWidget, const char* widgetName,
TQObject* /*parent*/, const char* /*name*/,
const char* /*classname*/, const TQStringList & /*args*/ )
{
// Create an instance of our Part
KompareNavTreePart* obj = new KompareNavTreePart( parentWidget, widgetName );
KGlobal::locale()->insertCatalogue("kompare");
return obj;
}
KInstance* KompareNavTreePartFactory::instance()
{
if( !s_instance )
{
s_about = new KAboutData("komparenavtreepart", I18N_NOOP("KompareNavTreePart"), "1.1");
s_about->addAuthor("John Firebaugh", "Author", "jfirebaugh@kde.org");
s_about->addAuthor("Otto Bruggeman", "Author", "otto.bruggeman@home.nl" );
s_instance = new KInstance(s_about);
}
return s_instance;
}
extern "C"
{
KDE_EXPORT void* init_libkomparenavtreepart()
{
return new KompareNavTreePartFactory;
}
}
#include "komparenavtreepart.moc"
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