/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.studio.connection.ui.widgets;
import org.apache.directory.studio.connection.core.Connection;
import org.apache.directory.studio.connection.core.ConnectionFolder;
import org.apache.directory.studio.connection.core.event.ConnectionEventRegistry;
import org.apache.directory.studio.connection.core.event.ConnectionUpdateListener;
import org.apache.directory.studio.connection.ui.ConnectionUIPlugin;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
/**
* The ConnectionUniversalListener manages all events for the connection widget.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ConnectionUniversalListener implements ConnectionUpdateListener
{
/** The tree viewer */
protected TreeViewer viewer;
/** This listener expands/collapses a connection folder when double clicking */
private IDoubleClickListener viewerDoubleClickListener = new IDoubleClickListener()
{
/**
* {@InheritDoc}
*/
public void doubleClick( DoubleClickEvent event )
{
if ( event.getSelection() instanceof IStructuredSelection )
{
Object obj = ( ( IStructuredSelection ) event.getSelection() ).getFirstElement();
if ( obj instanceof ConnectionFolder )
{
if ( viewer.getExpandedState( obj ) )
{
viewer.collapseToLevel( obj, 1 );
}
else if ( ( ( ITreeContentProvider ) viewer.getContentProvider() ).hasChildren( obj ) )
{
viewer.expandToLevel( obj, 1 );
}
}
}
}
};
/**
* Creates a new instance of ConnectionUniversalListener.
*
* @param viewer the tree viewer
*/
public ConnectionUniversalListener( TreeViewer viewer )
{
this.viewer = viewer;
this.viewer.addDoubleClickListener( viewerDoubleClickListener );
ConnectionEventRegistry.addConnectionUpdateListener( this, ConnectionUIPlugin.getDefault().getEventRunner() );
}
/**
* Disposes this universal listener.
*/
public void dispose()
{
if ( viewer != null )
{
ConnectionEventRegistry.removeConnectionUpdateListener( this );
viewer = null;
}
}
/**
* @see org.apache.directory.studio.connection.core.event.ConnectionUpdateListener#
* connectionUpdated(org.apache.directory.studio.connection.core.Connection)
*/
public void connectionUpdated( Connection connection )
{
if ( viewer != null )
{
viewer.refresh();
}
}
/**
* @see org.apache.directory.studio.connection.core.event.ConnectionUpdateListener#
* connectionAdded(org.apache.directory.studio.connection.core.Connection)
*/
public void connectionAdded( Connection connection )
{
connectionUpdated( connection );
if ( viewer != null )
{
viewer.setSelection( new StructuredSelection( connection ), true );
}
}
/**
* @see org.apache.directory.studio.connection.core.event.ConnectionUpdateListener#
* connectionRemoved(org.apache.directory.studio.connection.core.Connection)
*/
public void connectionRemoved( Connection connection )
{
connectionUpdated( connection );
}
/**
* @see org.apache.directory.studio.connection.core.event.ConnectionUpdateListener#
* connectionOpened(org.apache.directory.studio.connection.core.Connection)
*/
public void connectionOpened( Connection connection )
{
connectionUpdated( connection );
}
/**
* @see org.apache.directory.studio.connection.core.event.ConnectionUpdateListener#
* connectionClosed(org.apache.directory.studio.connection.core.Connection)
*/
public void connectionClosed( Connection connection )
{
connectionUpdated( connection );
}
/**
* @see org.apache.directory.studio.connection.core.event.ConnectionUpdateListener#
* connectionFolderModified(org.apache.directory.studio.connection.core.ConnectionFolder)
*/
public void connectionFolderModified( ConnectionFolder connectionFolder )
{
connectionUpdated( null );
}
/**
* @see org.apache.directory.studio.connection.core.event.ConnectionUpdateListener#
* connectionFolderAdded(org.apache.directory.studio.connection.core.ConnectionFolder)
*/
public void connectionFolderAdded( ConnectionFolder connectionFolder )
{
connectionUpdated( null );
if ( viewer != null )
{
viewer.setSelection( new StructuredSelection( connectionFolder ), true );
}
}
/**
* @see org.apache.directory.studio.connection.core.event.ConnectionUpdateListener#
* connectionFolderRemoved(org.apache.directory.studio.connection.core.ConnectionFolder)
*/
public void connectionFolderRemoved( ConnectionFolder connectionFolder )
{
connectionUpdated( null );
}
}