added ResourcesTreeView, a QTreeView implementation for ResourcesTreeModel

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1859 0778d3d1-df1d-0410-868b-ea421aaaa00d

src/gui/resources_tree_view.cpp

@@ -0,0 +1,73 @@
+/*
+ * resources_tree_view.cpp - implementation of ResourcesTreeView
+ *
+ * Copyright (c) 2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ * 
+ * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
+ *
+ * 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.
+ *
+ * This program 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.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program (see COPYING); if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ */
+
+
+#include "resources_tree_view.h"
+#include "resources_tree_model.h"
+
+
+ResourcesTreeView::ResourcesTreeView( ResourcesTreeModel * _tm,
+					QWidget * _parent ) :
+	QTreeView( _parent ),
+	m_tm( _tm )
+{
+	setHeaderHidden( true );
+	setModel( m_tm );
+	connect( m_tm, SIGNAL( itemsChanged() ),
+			this, SLOT( updateFilter() ) );
+}
+
+
+
+
+void ResourcesTreeView::setFilter( const QString & _s )
+{
+	setUpdatesEnabled( false );
+	if( _s.isEmpty() )
+	{
+		collapseAll();
+		m_tm->setFilter( _s );
+	}
+	else
+	{
+		m_tm->setFilter( _s );
+		expandToDepth( _s.size() );
+	}
+	setUpdatesEnabled( true );
+
+	m_lastFilter = _s;
+}
+
+
+
+
+void ResourcesTreeView::updateFilter( void )
+{
+	setFilter( m_lastFilter );
+}
+
+
+
+
+#include "moc_resources_tree_view.cxx"