diff --git a/project/projectmodel.cpp b/project/projectmodel.cpp
index 41749dd3ef..db87e20895 100644
--- a/project/projectmodel.cpp
+++ b/project/projectmodel.cpp
@@ -1,1207 +1,1207 @@
 /* This file is part of KDevelop
     Copyright 2005 Roberto Raggi <roberto@kdevelop.org>
     Copyright 2007 Andreas Pakulat <apaku@gmx.de>
     Copyright 2007 Aleix Pol <aleixpol@gmail.com>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library 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
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #include "projectmodel.h"
 
 #include <QApplication>
 #include <QPalette>
 #include <QBrush>
 #include <QMimeDatabase>
 #include <QColor>
 #include <QFileInfo>
 #include <QDebug>
 
 #include <interfaces/iproject.h>
 #include <interfaces/iprojectcontroller.h>
 #include <interfaces/icore.h>
 #include "interfaces/iprojectfilemanager.h"
 #include <serialization/indexedstring.h>
 #include <KLocalizedString>
 #include <KMessageBox>
 #include <kio/udsentry.h>
 #include <kio/netaccess.h>
 #include <QMetaClassInfo>
 #include <QThread>
 
 #include "path.h"
 
 namespace KDevelop
 {
 
 QStringList removeProjectBasePath( const QStringList& fullpath, KDevelop::ProjectBaseItem* item )
 {
     QStringList result = fullpath;
     if( item )
     {
         KDevelop::ProjectModel* model = KDevelop::ICore::self()->projectController()->projectModel();
         QStringList basePath = model->pathFromIndex( model->indexFromItem( item ) );
         if( basePath.count() >= fullpath.count() )
         {
             return QStringList();
         }
         for( int i = 0; i < basePath.count(); i++ )
         {
             result.takeFirst();
         }
     }
     return result;
 }
 
 QStringList joinProjectBasePath( const QStringList& partialpath, KDevelop::ProjectBaseItem* item )
 {
     QStringList basePath;
     if( item )
     {
         KDevelop::ProjectModel* model = KDevelop::ICore::self()->projectController()->projectModel();
         basePath = model->pathFromIndex( model->indexFromItem( item ) );
     }
     return basePath + partialpath;
 }
 
 inline uint indexForPath( const Path& path )
 {
     return IndexedString::indexForString(path.pathOrUrl());
 }
 
 class ProjectModelPrivate
 {
 public:
     ProjectModelPrivate( ProjectModel* model ): model( model )
     {
     }
     ProjectBaseItem* rootItem;
     ProjectModel* model;
     ProjectBaseItem* itemFromIndex( const QModelIndex& idx ) {
         if( !idx.isValid() ) {
             return rootItem;
         }
         if( idx.model() != model ) {
             return 0;
         }
         return model->itemFromIndex( idx );
     }
 
     // a hash of IndexedString::indexForString(path) <-> ProjectBaseItem for fast lookup
     QMultiHash<uint, ProjectBaseItem*> pathLookupTable;
 };
 
 class ProjectBaseItemPrivate
 {
 public:
     ProjectBaseItemPrivate() : project(0), parent(0), row(-1), model(0), m_pathIndex(0) {}
     IProject* project;
     ProjectBaseItem* parent;
     int row;
     QList<ProjectBaseItem*> children;
     QString text;
     ProjectBaseItem::ProjectItemType type;
     Qt::ItemFlags flags;
     ProjectModel* model;
     Path m_path;
     uint m_pathIndex;
     QString iconName;
 
     ProjectBaseItem::RenameStatus renameBaseItem(ProjectBaseItem* item, const QString& newName)
     {
         if (item->parent()) {
             foreach(ProjectBaseItem* sibling, item->parent()->children()) {
                 if (sibling->text() == newName) {
                     return ProjectBaseItem::ExistingItemSameName;
                 }
             }
         }
         item->setText( newName );
         return ProjectBaseItem::RenameOk;
     }
 
     ProjectBaseItem::RenameStatus renameFileOrFolder(ProjectBaseItem* item, const QString& newName)
     {
         Q_ASSERT(item->file() || item->folder());
 
         if (newName.contains('/')) {
             return ProjectBaseItem::InvalidNewName;
         }
 
         if (item->text() == newName) {
             return ProjectBaseItem::RenameOk;
         }
 
         Path newPath = item->path();
         newPath.setLastPathSegment(newName);
 
         KIO::UDSEntry entry;
         if( KIO::NetAccess::stat(newPath.toUrl(), entry, 0) ) {
             // file/folder exists already
             return ProjectBaseItem::ExistingItemSameName;
         }
 
         if( !item->project() || !item->project()->projectFileManager() ) {
             return renameBaseItem(item, newName);
         } else if( item->folder() && item->project()->projectFileManager()->renameFolder(item->folder(), newPath) ) {
             return ProjectBaseItem::RenameOk;
         } else if ( item->file() && item->project()->projectFileManager()->renameFile(item->file(), newPath) ) {
             return ProjectBaseItem::RenameOk;
         } else {
             return ProjectBaseItem::ProjectManagerRenameFailed;
         }
     }
 };
 
 
 ProjectBaseItem::ProjectBaseItem( IProject* project, const QString &name, ProjectBaseItem *parent )
         : d_ptr(new ProjectBaseItemPrivate)
 {
     Q_ASSERT(!name.isEmpty() || !parent);
     Q_D(ProjectBaseItem);
     d->project = project;
     d->text = name;
     d->flags = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
     if( parent ) {
         parent->appendRow( this );
     }
 }
 
 ProjectBaseItem::~ProjectBaseItem()
 {
     Q_D(ProjectBaseItem);
 
     if (model() && d->m_pathIndex) {
         model()->d->pathLookupTable.remove(d->m_pathIndex, this);
     }
 
     if( parent() ) {
         parent()->takeRow( d->row );
     } else if( model() ) {
         model()->takeRow( d->row );
     }
     removeRows(0, d->children.size());
     delete d;
 }
 
 ProjectBaseItem* ProjectBaseItem::child( int row ) const
 {
     Q_D(const ProjectBaseItem);
     if( row < 0 || row >= d->children.length() ) {
         return 0;
     }
     return d->children.at( row );
 }
 
 QList< ProjectBaseItem* > ProjectBaseItem::children() const
 {
     Q_D(const ProjectBaseItem);
     return d->children;
 }
 
 ProjectBaseItem* ProjectBaseItem::takeRow(int row)
 {
     Q_D(ProjectBaseItem);
     Q_ASSERT(row >= 0 && row < d->children.size());
 
     if( model() ) {
-        QMetaObject::invokeMethod( model(), "rowsAboutToBeRemoved", Qt::DirectConnection, Q_ARG(QModelIndex, index()), Q_ARG(int, row), Q_ARG(int, row) );
+        model()->beginRemoveRows(index(), row, row);
     }
     ProjectBaseItem* olditem = d->children.takeAt( row );
     olditem->d_func()->parent = 0;
     olditem->d_func()->row = -1;
     olditem->setModel( 0 );
 
     for(int i=row; i<rowCount(); i++) {
         child(i)->d_func()->row--;
         Q_ASSERT(child(i)->d_func()->row==i);
     }
 
     if( model() ) {
-        QMetaObject::invokeMethod( model(), "rowsRemoved", Qt::DirectConnection, Q_ARG(QModelIndex, index()), Q_ARG(int, row), Q_ARG(int, row) );
+        model()->endRemoveRows();
     }
     return olditem;
 }
 
 void ProjectBaseItem::removeRow( int row )
 {
     delete takeRow( row );
 }
 
 void ProjectBaseItem::removeRows(int row, int count)
 {
     if (!count) {
         return;
     }
 
     Q_D(ProjectBaseItem);
     Q_ASSERT(row >= 0 && row + count <= d->children.size());
 
     if( model() ) {
-        QMetaObject::invokeMethod( model(), "rowsAboutToBeRemoved", Qt::DirectConnection, Q_ARG(QModelIndex, index()), Q_ARG(int, row), Q_ARG(int, row + count - 1) );
+        model()->beginRemoveRows(index(), row, row + count - 1);
     }
 
     //NOTE: we unset parent, row and model manually to speed up the deletion
     if (row == 0 && count == d->children.size()) {
         // optimize if we want to delete all
         foreach(ProjectBaseItem* item, d->children) {
             item->d_func()->parent = 0;
             item->d_func()->row = -1;
             item->setModel( 0 );
             delete item;
         }
         d->children.clear();
     } else {
         for (int i = row; i < count; ++i) {
             ProjectBaseItem* item = d->children.at(i);
             item->d_func()->parent = 0;
             item->d_func()->row = -1;
             item->setModel( 0 );
             delete d->children.takeAt( row );
         }
         for(int i = row; i < d->children.size(); ++i) {
             d->children.at(i)->d_func()->row--;
             Q_ASSERT(child(i)->d_func()->row==i);
         }
     }
 
     if( model() ) {
-        QMetaObject::invokeMethod( model(), "rowsRemoved", Qt::DirectConnection, Q_ARG(QModelIndex, index()), Q_ARG(int, row), Q_ARG(int, row + count - 1) );
+        model()->endRemoveRows();
     }
 }
 
 QModelIndex ProjectBaseItem::index() const
 {
     if( model() ) {
         return model()->indexFromItem( this );
     }
     return QModelIndex();
 }
 
 int ProjectBaseItem::rowCount() const
 {
     Q_D(const ProjectBaseItem);
     return d->children.count();
 }
 
 int ProjectBaseItem::type() const
 {
     return ProjectBaseItem::BaseItem;
 }
 
 ProjectModel* ProjectBaseItem::model() const
 {
     Q_D(const ProjectBaseItem);
     return d->model;
 }
 
 ProjectBaseItem* ProjectBaseItem::parent() const
 {
     Q_D(const ProjectBaseItem);
     if( model() && model()->d->rootItem == d->parent ) {
         return 0;
     }
     return d->parent;
 }
 
 int ProjectBaseItem::row() const
 {
     Q_D(const ProjectBaseItem);
     return d->row;
 }
 
 QString ProjectBaseItem::text() const
 {
     Q_D(const ProjectBaseItem);
     if( project() && !parent() ) {
         return project()->name();
     } else {
         return d->text;
     }
 }
 
 void ProjectBaseItem::setModel( ProjectModel* model )
 {
     Q_D(ProjectBaseItem);
 
     if (model == d->model) {
         return;
     }
 
     if (d->model && d->m_pathIndex) {
         d->model->d->pathLookupTable.remove(d->m_pathIndex, this);
     }
 
     d->model = model;
 
     if (model && d->m_pathIndex) {
         model->d->pathLookupTable.insert(d->m_pathIndex, this);
     }
 
     foreach( ProjectBaseItem* item, d->children ) {
         item->setModel( model );
     }
 }
 
 void ProjectBaseItem::setRow( int row )
 {
     Q_D(ProjectBaseItem);
     d->row = row;
 }
 
 void ProjectBaseItem::setText( const QString& text )
 {
     Q_ASSERT(!text.isEmpty() || !parent());
     Q_D(ProjectBaseItem);
     d->text = text;
     if( d->model ) {
         QModelIndex idx = index();
         QMetaObject::invokeMethod( d->model, "dataChanged", Qt::DirectConnection, Q_ARG(QModelIndex, idx), Q_ARG(QModelIndex, idx) );
     }
 }
 
 ProjectBaseItem::RenameStatus ProjectBaseItem::rename(const QString& newName)
 {
     Q_D(ProjectBaseItem);
     return d->renameBaseItem(this, newName);
 }
 
 KDevelop::ProjectBaseItem::ProjectItemType baseType( int type )
 {
     if( type == KDevelop::ProjectBaseItem::Folder || type == KDevelop::ProjectBaseItem::BuildFolder )
         return KDevelop::ProjectBaseItem::Folder;
     if( type == KDevelop::ProjectBaseItem::Target || type == KDevelop::ProjectBaseItem::ExecutableTarget
         || type == KDevelop::ProjectBaseItem::LibraryTarget)
         return KDevelop::ProjectBaseItem::Target;
 
     return static_cast<KDevelop::ProjectBaseItem::ProjectItemType>( type );
 }
 
 bool ProjectBaseItem::lessThan( const KDevelop::ProjectBaseItem* item ) const
 {
     if(item->type() >= KDevelop::ProjectBaseItem::CustomProjectItemType ) {
         // For custom types we want to make sure that if they override lessThan, then we
         // prefer their lessThan implementation
         return !item->lessThan( this );
     }
     KDevelop::ProjectBaseItem::ProjectItemType leftType=baseType(type()), rightType=baseType(item->type());
     if(leftType==rightType)
     {
         if(leftType==KDevelop::ProjectBaseItem::File)
         {
             return file()->fileName().compare(item->file()->fileName(), Qt::CaseInsensitive) < 0;
         }
         return this->text()<item->text();
     }
     else
     {
         return leftType<rightType;
     }
 
     return false;
 }
 
 bool ProjectBaseItem::pathLessThan(ProjectBaseItem* item1, ProjectBaseItem* item2)
 {
     return item1->path() < item2->path();
 }
 
 IProject* ProjectBaseItem::project() const
 {
     Q_D(const ProjectBaseItem);
     return d->project;
 }
 
 void ProjectBaseItem::appendRow( ProjectBaseItem* item )
 {
     Q_D(ProjectBaseItem);
     if( !item ) {
         return;
     }
     if( item->parent() ) {
         // Proper way is to first removeRow() on the original parent, then appendRow on this one
         qWarning() << "Ignoring double insertion of item" << item;
         return;
     }
     // this is too slow... O(n) and thankfully not a problem anyways
 //     Q_ASSERT(!d->children.contains(item));
     int startrow,endrow;
     if( model() ) {
         startrow = endrow = d->children.count();
-        QMetaObject::invokeMethod( model(), "rowsAboutToBeInserted", Qt::DirectConnection, Q_ARG(QModelIndex, index()), Q_ARG(int, startrow), Q_ARG(int, endrow) );
+        model()->beginInsertRows(index(), startrow, endrow);
     }
     d->children.append( item );
     item->setRow( d->children.count() - 1 );
     item->d_func()->parent = this;
     item->setModel( model() );
     if( model() ) {
-        QMetaObject::invokeMethod( model(), "rowsInserted", Qt::DirectConnection, Q_ARG( QModelIndex, index() ), Q_ARG( int, startrow ), Q_ARG( int, endrow ) );
+        model()->endInsertRows();
     }
 }
 
 QUrl ProjectBaseItem::url( ) const
 {
     Q_D(const ProjectBaseItem);
     QUrl url = d->m_path.toUrl();
     if (folder()) {
         // FIXME: is this required?
 //         url.adjustPath(QUrl::AddTrailingSlash);
     }
     return url;
 }
 
 Path ProjectBaseItem::path() const
 {
     Q_D(const ProjectBaseItem);
     return d->m_path;
 }
 
 QString ProjectBaseItem::baseName() const
 {
     return text();
 }
 
 void ProjectBaseItem::setPath( const Path& path)
 {
     Q_D(ProjectBaseItem);
 
     if (model() && d->m_pathIndex) {
         model()->d->pathLookupTable.remove(d->m_pathIndex, this);
     }
 
     d->m_path = path;
     d->m_pathIndex = indexForPath(path);
     setText( path.lastPathSegment() );
 
     if (model() && d->m_pathIndex) {
         model()->d->pathLookupTable.insert(d->m_pathIndex, this);
     }
 }
 
 Qt::ItemFlags ProjectBaseItem::flags()
 {
     Q_D(ProjectBaseItem);
     return d->flags;
 }
 
 Qt::DropActions ProjectModel::supportedDropActions() const
 {
     return (Qt::DropActions)(Qt::MoveAction);
 }
 
 void ProjectBaseItem::setFlags(Qt::ItemFlags flags)
 {
     Q_D(ProjectBaseItem);
     d->flags = flags;
     if(d->model)
         d->model->dataChanged(index(), index());
 }
 
 QString ProjectBaseItem::iconName() const
 {
     return "";
 }
 
 ProjectFolderItem *ProjectBaseItem::folder() const
 {
     return 0;
 }
 
 ProjectTargetItem *ProjectBaseItem::target() const
 {
     return 0;
 }
 
 ProjectExecutableTargetItem *ProjectBaseItem::executable() const
 {
     return 0;
 }
 
 ProjectFileItem *ProjectBaseItem::file() const
 {
     return 0;
 }
 
 QList<ProjectFolderItem*> ProjectBaseItem::folderList() const
 {
     QList<ProjectFolderItem*> lst;
     for ( int i = 0; i < rowCount(); ++i )
     {
         ProjectBaseItem* item = child( i );
         if ( item->type() == Folder || item->type() == BuildFolder )
         {
             ProjectFolderItem *kdevitem = dynamic_cast<ProjectFolderItem*>( item );
             if ( kdevitem )
                 lst.append( kdevitem );
         }
     }
 
     return lst;
 }
 
 QList<ProjectTargetItem*> ProjectBaseItem::targetList() const
 {
     QList<ProjectTargetItem*> lst;
     for ( int i = 0; i < rowCount(); ++i )
     {
         ProjectBaseItem* item = child( i );
 
         if ( item->type() == Target || item->type() == LibraryTarget || item->type() == ExecutableTarget )
         {
             ProjectTargetItem *kdevitem = dynamic_cast<ProjectTargetItem*>( item );
             if ( kdevitem )
                 lst.append( kdevitem );
         }
     }
 
     return lst;
 }
 
 QList<ProjectFileItem*> ProjectBaseItem::fileList() const
 {
     QList<ProjectFileItem*> lst;
     for ( int i = 0; i < rowCount(); ++i )
     {
         ProjectBaseItem* item = child( i );
         Q_ASSERT(item);
         if ( item && item->type() == File )
         {
             ProjectFileItem *kdevitem = dynamic_cast<ProjectFileItem*>( item );
             if ( kdevitem )
                 lst.append( kdevitem );
         }
 
     }
     return lst;
 }
 
 void ProjectModel::clear()
 {
     d->rootItem->removeRows(0, d->rootItem->rowCount());
 }
 
 
 ProjectFolderItem::ProjectFolderItem(IProject* project, const Path& path, ProjectBaseItem* parent)
     : ProjectBaseItem( project, path.lastPathSegment(), parent )
 {
     setPath( path );
 
     setFlags(flags() | Qt::ItemIsDropEnabled);
     if (project && project->path() != path)
         setFlags(flags() | Qt::ItemIsDragEnabled);
 }
 
 ProjectFolderItem::ProjectFolderItem( const QString & name, ProjectBaseItem * parent )
         : ProjectBaseItem( parent->project(), name, parent )
 {
     setPath( Path(parent->path(), name) );
 
     setFlags(flags() | Qt::ItemIsDropEnabled);
     if (project() && project()->path() != path())
         setFlags(flags() | Qt::ItemIsDragEnabled);
 }
 
 ProjectFolderItem::~ProjectFolderItem()
 {
 }
 
 void ProjectFolderItem::setPath( const Path& path )
 {
     ProjectBaseItem::setPath(path);
 
     propagateRename(path);
 }
 
 ProjectFolderItem *ProjectFolderItem::folder() const
 {
     return const_cast<ProjectFolderItem*>(this);
 }
 
 int ProjectFolderItem::type() const
 {
     return ProjectBaseItem::Folder;
 }
 
 QString ProjectFolderItem::folderName() const
 {
     return baseName();
 }
 
 void ProjectFolderItem::propagateRename( const Path& newBase ) const
 {
     Path path = newBase;
     path.addPath("dummy");
     foreach( KDevelop::ProjectBaseItem* child, children() )
     {
         path.setLastPathSegment( child->text() );
         child->setPath( path );
 
         const ProjectFolderItem* folder = child->folder();
         if ( folder ) {
             folder->propagateRename( path );
         }
     }
 }
 
 ProjectBaseItem::RenameStatus ProjectFolderItem::rename(const QString& newName)
 {
     return d_ptr->renameFileOrFolder(this, newName);
 }
 
 bool ProjectFolderItem::hasFileOrFolder(const QString& name) const
 {
     foreach ( ProjectBaseItem* item, children() )
     {
         if ( (item->type() == Folder || item->type() == File || item->type() == BuildFolder)
              && name == item->baseName() )
         {
             return true;
         }
     }
     return false;
 }
 
 bool ProjectBaseItem::isProjectRoot() const
 {
     return parent()==0;
 }
 
 ProjectBuildFolderItem::ProjectBuildFolderItem(IProject* project, const Path& path, ProjectBaseItem *parent)
     : ProjectFolderItem( project, path, parent )
 {
 }
 
 ProjectBuildFolderItem::ProjectBuildFolderItem( const QString& name, ProjectBaseItem* parent )
     : ProjectFolderItem( name, parent )
 {
 
 }
 
 QString ProjectFolderItem::iconName() const
 {
     return "folder";
 }
 
 int ProjectBuildFolderItem::type() const
 {
     return ProjectBaseItem::BuildFolder;
 }
 
 QString ProjectBuildFolderItem::iconName() const
 {
     return "folder-development";
 }
 
 ProjectFileItem::ProjectFileItem( IProject* project, const Path& path, ProjectBaseItem* parent )
     : ProjectBaseItem( project, path.lastPathSegment(), parent )
 {
     setFlags(flags() | Qt::ItemIsDragEnabled);
     setPath( path );
 }
 
 ProjectFileItem::ProjectFileItem( const QString& name, ProjectBaseItem* parent )
     : ProjectBaseItem( parent->project(), name, parent )
 {
     setFlags(flags() | Qt::ItemIsDragEnabled);
     setPath( Path(parent->path(), name) );
 }
 
 ProjectFileItem::~ProjectFileItem()
 {
     if( project() && d_ptr->m_pathIndex ) {
         project()->removeFromFileSet( this );
     }
 }
 
 IndexedString ProjectFileItem::indexedPath() const
 {
     return IndexedString::fromIndex( d_ptr->m_pathIndex );
 }
 
 ProjectBaseItem::RenameStatus ProjectFileItem::rename(const QString& newName)
 {
     return d_ptr->renameFileOrFolder(this, newName);
 }
 
 QString ProjectFileItem::fileName() const
 {
     return baseName();
 }
 
 // Maximum length of a string to still consider it as a file extension which we cache
 // This has to be a slow value, so that we don't fill our file extension cache with crap
 static const int maximumCacheExtensionLength = 3;
 
 bool isNumeric(const QStringRef& str)
 {
     int len = str.length();
     if(len == 0)
         return false;
     for(int a = 0; a < len; ++a)
         if(!str.at(a).isNumber())
             return false;
     return true;
 }
 
 class IconNameCache
 {
 public:
     QString iconNameForPath(const Path& path, const QString& fileName)
     {
         // find icon name based on file extension, if possible
         QString extension;
         int extensionStart = fileName.lastIndexOf(QLatin1Char('.'));
         if( extensionStart != -1 && fileName.length() - extensionStart - 1 <= maximumCacheExtensionLength ) {
             QStringRef extRef = fileName.midRef(extensionStart + 1);
             if( isNumeric(extRef) ) {
                 // don't cache numeric extensions
                 extRef.clear();
             }
             if( !extRef.isEmpty() ) {
                 extension = extRef.toString();
                 QMutexLocker lock(&mutex);
                 QHash< QString, QString >::const_iterator it = fileExtensionToIcon.constFind( extension );
                 if( it != fileExtensionToIcon.constEnd() ) {
                     return *it;
                 }
             }
         }
 
         QMimeType mime = QMimeDatabase().mimeTypeForFile(path.lastPathSegment(), QMimeDatabase::MatchExtension); // no I/O
         QMutexLocker lock(&mutex);
         QHash< QString, QString >::const_iterator it = mimeToIcon.constFind(mime.name());
         QString iconName;
         if ( it == mimeToIcon.constEnd() ) {
             iconName = mime.iconName();
             mimeToIcon.insert(mime.name(), iconName);
         } else {
             iconName = *it;
         }
         if ( !extension.isEmpty() ) {
             fileExtensionToIcon.insert(extension, iconName);
         }
         return iconName;
     }
     QMutex mutex;
     QHash<QString, QString> mimeToIcon;
     QHash<QString, QString> fileExtensionToIcon;
 };
 
 Q_GLOBAL_STATIC(IconNameCache, s_cache);
 
 QString ProjectFileItem::iconName() const
 {
     // think of d_ptr->iconName as mutable, possible since d_ptr is not const
     if (d_ptr->iconName.isEmpty()) {
         // lazy load implementation of icon lookup
         d_ptr->iconName = s_cache->iconNameForPath( d_ptr->m_path, d_ptr->text );
         // we should always get *some* icon name back
         Q_ASSERT(!d_ptr->iconName.isEmpty());
     }
     return d_ptr->iconName;
 }
 
 void ProjectFileItem::setPath( const Path& path )
 {
     if (path == d_ptr->m_path) {
         return;
     }
 
     if( project() && d_ptr->m_pathIndex ) {
         // remove from fileset if we are in there
         project()->removeFromFileSet( this );
     }
 
     ProjectBaseItem::setPath( path );
 
     if( project() && d_ptr->m_pathIndex ) {
         // add to fileset with new path
         project()->addToFileSet( this );
     }
 
     // invalidate icon name for future lazy-loaded updated
     d_ptr->iconName.clear();
 }
 
 int ProjectFileItem::type() const
 {
     return ProjectBaseItem::File;
 }
 
 ProjectFileItem *ProjectFileItem::file() const
 {
     return const_cast<ProjectFileItem*>( this );
 }
 
 ProjectTargetItem::ProjectTargetItem( IProject* project, const QString &name, ProjectBaseItem *parent )
     : ProjectBaseItem( project, name, parent )
 {
     setFlags(flags() | Qt::ItemIsDropEnabled);
 }
 
 QString ProjectTargetItem::iconName() const
 {
     return "system-run";
 }
 
 void ProjectTargetItem::setPath( const Path& path )
 {
     // don't call base class, it calls setText with the new path's filename
     // which we do not want for target items
     d_ptr->m_path = path;
 }
 
 int ProjectTargetItem::type() const
 {
     return ProjectBaseItem::Target;
 }
 
 ProjectTargetItem *ProjectTargetItem::target() const
 {
     return const_cast<ProjectTargetItem*>( this );
 }
 
 ProjectExecutableTargetItem::ProjectExecutableTargetItem( IProject* project, const QString &name, ProjectBaseItem *parent )
     : ProjectTargetItem(project, name, parent)
 {
 }
 
 ProjectExecutableTargetItem *ProjectExecutableTargetItem::executable() const
 {
     return const_cast<ProjectExecutableTargetItem*>( this );
 }
 
 int ProjectExecutableTargetItem::type() const
 {
     return ProjectBaseItem::ExecutableTarget;
 }
 
 ProjectLibraryTargetItem::ProjectLibraryTargetItem( IProject* project, const QString &name, ProjectBaseItem *parent )
     : ProjectTargetItem(project, name, parent)
 {}
 
 int ProjectLibraryTargetItem::type() const
 {
     return ProjectBaseItem::LibraryTarget;
 }
 
 QModelIndex ProjectModel::pathToIndex(const QStringList& tofetch_) const
 {
     if(tofetch_.isEmpty())
         return QModelIndex();
     QStringList tofetch(tofetch_);
     if(tofetch.last().isEmpty())
         tofetch.takeLast();
 
     QModelIndex current=index(0,0, QModelIndex());
 
     QModelIndex ret;
     for(int a = 0; a < tofetch.size(); ++a)
     {
         const QString& currentName = tofetch[a];
 
         bool matched = false;
         QModelIndexList l = match(current, Qt::DisplayRole, currentName, -1, Qt::MatchExactly);
         foreach(const QModelIndex& idx, l) {
             //If this is not the last item, only match folders, as there may be targets and folders with the same name
             if(a == tofetch.size()-1 || itemFromIndex(idx)->folder()) {
                 ret = idx;
                 current = index(0,0, ret);
                 matched = true;
                 break;
             }
         }
         if(!matched) {
             ret = QModelIndex();
             break;
         }
     }
     Q_ASSERT(!ret.isValid() || data(ret).toString()==tofetch.last());
     return ret;
 }
 
 QStringList ProjectModel::pathFromIndex(const QModelIndex& index) const
 {
     if (!index.isValid())
         return QStringList();
 
     QModelIndex idx = index;
     QStringList list;
     do {
         QString t = data(idx, Qt::DisplayRole).toString();
         list.prepend(t);
         QModelIndex parent = idx.parent();
         idx = parent.sibling(parent.row(), index.column());
     } while (idx.isValid());
 
     return list;
 }
 
 int ProjectModel::columnCount( const QModelIndex& ) const
 {
     return 1;
 }
 
 int ProjectModel::rowCount( const QModelIndex& parent ) const
 {
     ProjectBaseItem* item = d->itemFromIndex( parent );
     return item ? item->rowCount() : 0;
 }
 
 QModelIndex ProjectModel::parent( const QModelIndex& child ) const
 {
     if( child.isValid() ) {
         ProjectBaseItem* item = static_cast<ProjectBaseItem*>( child.internalPointer() );
         return indexFromItem( item );
     }
     return QModelIndex();
 }
 
 QModelIndex ProjectModel::indexFromItem( const ProjectBaseItem* item ) const
 {
     if( item && item->d_func()->parent ) {
         return createIndex( item->row(), 0, item->d_func()->parent );
     }
     return QModelIndex();
 }
 
 ProjectBaseItem* ProjectModel::itemFromIndex( const QModelIndex& index ) const
 {
     if( index.row() >= 0 && index.column() == 0  && index.model() == this ) {
         ProjectBaseItem* parent = static_cast<ProjectBaseItem*>( index.internalPointer() );
         if( parent ) {
             return parent->child( index.row() );
         }
     }
     return 0;
 }
 
 QSet<int> supportedRoles() {
     QSet<int> ret;
     ret << Qt::DisplayRole;
     ret << Qt::ToolTipRole;
     ret << Qt::DecorationRole;
     ret << KDevelop::ProjectModel::ProjectItemRole;
     ret << KDevelop::ProjectModel::ProjectRole;
     return ret;
 }
 
 QVariant ProjectModel::data( const QModelIndex& index, int role ) const
 {
     static QSet<int> allowedRoles = supportedRoles();
     if( allowedRoles.contains(role) && index.isValid() ) {
         ProjectBaseItem* item = itemFromIndex( index );
         if( item ) {
             switch(role) {
                 case Qt::DecorationRole:
                     return QIcon::fromTheme(item->iconName());
                 case Qt::ToolTipRole:
                     return item->path().pathOrUrl();
                 case Qt::DisplayRole:
                     return item->text();
                 case ProjectItemRole:
                     return QVariant::fromValue<ProjectBaseItem*>(item);
                 case ProjectRole:
                     return QVariant::fromValue<QObject*>(item->project());
             }
         }
     }
     return QVariant();
 }
 
 ProjectModel::ProjectModel( QObject *parent )
         : QAbstractItemModel( parent ), d( new ProjectModelPrivate( this ) )
 {
     d->rootItem = new ProjectBaseItem( 0, "", 0 );
     d->rootItem->setModel( this );
 }
 
 ProjectModel::~ProjectModel()
 {
     delete d;
 }
 
 
 ProjectVisitor::ProjectVisitor()
 {
 }
 
 QModelIndex ProjectModel::index( int row, int column, const QModelIndex& parent ) const
 {
     ProjectBaseItem* parentItem = d->itemFromIndex( parent );
     if( parentItem && row >= 0 && row < parentItem->rowCount() && column == 0 ) {
         return createIndex( row, column, parentItem );
     }
     return QModelIndex();
 }
 
 void ProjectModel::appendRow( ProjectBaseItem* item )
 {
     d->rootItem->appendRow( item );
 }
 
 void ProjectModel::removeRow( int row )
 {
     d->rootItem->removeRow( row );
 }
 
 ProjectBaseItem* ProjectModel::takeRow( int row )
 {
     return d->rootItem->takeRow( row );
 }
 
 ProjectBaseItem* ProjectModel::itemAt(int row) const
 {
     return d->rootItem->child(row);
 }
 
 QList< ProjectBaseItem* > ProjectModel::topItems() const
 {
     return d->rootItem->children();
 }
 
 Qt::ItemFlags ProjectModel::flags(const QModelIndex& index) const
 {
     ProjectBaseItem* item = itemFromIndex( index );
     if(item)
         return item->flags();
     else
         return 0;
 }
 
 bool ProjectModel::insertColumns(int, int, const QModelIndex&)
 {
     // Not supported
     return false;
 }
 
 bool ProjectModel::insertRows(int, int, const QModelIndex&)
 {
     // Not supported
     return false;
 }
 
 bool ProjectModel::setData(const QModelIndex&, const QVariant&, int)
 {
     // Not supported
     return false;
 }
 
 QList<ProjectBaseItem*> ProjectModel::itemsForPath(const IndexedString& path) const
 {
     return d->pathLookupTable.values(path.index());
 }
 
 ProjectBaseItem* ProjectModel::itemForPath(const IndexedString& path) const
 {
     return d->pathLookupTable.value(path.index());
 }
 
 void ProjectVisitor::visit( ProjectModel* model )
 {
     foreach( ProjectBaseItem* item, model->topItems() )
     {
         visit( item->project() );
     }
 }
 
 void ProjectVisitor::visit ( IProject* prj )
 {
     visit( prj->projectItem() );
 }
 
 void ProjectVisitor::visit ( ProjectBuildFolderItem* folder )
 {
     foreach( ProjectFileItem* item, folder->fileList() )
     {
         visit( item );
     }
     foreach( ProjectTargetItem* item, folder->targetList() )
     {
         if( item->type() == ProjectBaseItem::LibraryTarget )
         {
             visit( dynamic_cast<ProjectLibraryTargetItem*>( item ) );
         } else if( item->type() == ProjectBaseItem::ExecutableTarget )
         {
             visit( dynamic_cast<ProjectExecutableTargetItem*>( item ) );
         }
     }
     foreach( ProjectFolderItem* item, folder->folderList() )
     {
         if( item->type() == ProjectBaseItem::BuildFolder )
         {
             visit( dynamic_cast<ProjectBuildFolderItem*>( item ) );
         } else if( item->type() == ProjectBaseItem::Folder )
         {
             visit( dynamic_cast<ProjectFolderItem*>( item ) );
         }
     }
 }
 
 void ProjectVisitor::visit ( ProjectExecutableTargetItem* exec )
 {
     foreach( ProjectFileItem* item, exec->fileList() )
     {
         visit( item );
     }
 }
 
 void ProjectVisitor::visit ( ProjectFolderItem* folder )
 {
     foreach( ProjectFileItem* item, folder->fileList() )
     {
         visit( item );
     }
     foreach( ProjectTargetItem* item, folder->targetList() )
     {
         if( item->type() == ProjectBaseItem::LibraryTarget )
         {
             visit( dynamic_cast<ProjectLibraryTargetItem*>( item ) );
         } else if( item->type() == ProjectBaseItem::ExecutableTarget )
         {
             visit( dynamic_cast<ProjectExecutableTargetItem*>( item ) );
         }
     }
     foreach( ProjectFolderItem* item, folder->folderList() )
     {
         if( item->type() == ProjectBaseItem::BuildFolder )
         {
             visit( dynamic_cast<ProjectBuildFolderItem*>( item ) );
         } else if( item->type() == ProjectBaseItem::Folder )
         {
             visit( dynamic_cast<ProjectFolderItem*>( item ) );
         }
     }
 }
 
 
 void ProjectVisitor::visit ( ProjectFileItem* )
 {
 }
 
 void ProjectVisitor::visit ( ProjectLibraryTargetItem* lib )
 {
     foreach( ProjectFileItem* item, lib->fileList() )
     {
         visit( item );
     }
 }
 
 ProjectVisitor::~ProjectVisitor()
 {
 }
 
 
 }