/*
* 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 java.util.ArrayList;
import java.util.List;
import org.apache.directory.studio.connection.core.Connection;
import org.apache.directory.studio.connection.core.ConnectionCorePlugin;
import org.apache.directory.studio.connection.core.ConnectionFolder;
import org.apache.directory.studio.connection.core.ConnectionFolderManager;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* The ConnectionContentProvider represents the content provider for
* the connection widget. It accepts the ConnectionManager as input
* and returns its connections as elements.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ConnectionContentProvider implements ITreeContentProvider
{
/**
* @see org.eclipse.jface.viewers.IContentProvider#
* inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged( Viewer viewer, Object oldInput, Object newInput )
{
}
/**
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose()
{
}
/**
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements( Object inputElement )
{
if ( inputElement instanceof ConnectionFolderManager )
{
ConnectionFolderManager cfm = ( ConnectionFolderManager ) inputElement;
ConnectionFolder rootConnectionFolder = cfm.getRootConnectionFolder();
Object[] elements = getChildren( rootConnectionFolder );
return elements;
}
else
{
return getChildren( inputElement );
}
}
/**
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
public Object[] getChildren( Object parentElement )
{
if ( parentElement instanceof ConnectionFolder )
{
List<Object> children = new ArrayList<Object>();
ConnectionFolder folder = ( ConnectionFolder ) parentElement;
List<String> subFolderIds = folder.getSubFolderIds();
List<String> connectionIds = folder.getConnectionIds();
for ( String subFolderId : subFolderIds )
{
ConnectionFolder subFolder = ConnectionCorePlugin.getDefault().getConnectionFolderManager()
.getConnectionFolderById( subFolderId );
if ( subFolder != null )
{
children.add( subFolder );
}
}
for ( String connectionId : connectionIds )
{
Connection conn = ConnectionCorePlugin.getDefault().getConnectionManager().getConnectionById(
connectionId );
if ( conn != null )
{
children.add( conn );
}
}
return children.toArray();
}
return null;
}
/**
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
*/
public Object getParent( Object element )
{
if ( element instanceof ConnectionFolder )
{
return ConnectionCorePlugin.getDefault().getConnectionFolderManager().getParentConnectionFolder(
( ConnectionFolder ) element );
}
else if ( element instanceof Connection )
{
return ConnectionCorePlugin.getDefault().getConnectionFolderManager().getParentConnectionFolder(
( Connection ) element );
}
else
{
return null;
}
}
/**
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
*/
public boolean hasChildren( Object element )
{
Object[] children = getChildren( element );
return children != null && children.length > 0;
}
}