/*******************************************************************************
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 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 Lesser General Public License for more
* details.
*
* Contributors:
* Kamesh Sampath - initial implementation
* Gregory Amerson - initial implementation review and ongoing maintenance
*******************************************************************************/
package com.liferay.ide.portlet.ui.navigator;
import com.liferay.ide.project.core.util.ProjectUtil;
import com.liferay.ide.ui.navigator.AbstractNavigatorContentProvider;
import com.liferay.ide.ui.util.UIUtil;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.ui.internal.navigator.NavigatorContentService;
import org.eclipse.ui.navigator.CommonViewer;
/**
* @author Kamesh Sampath
* @author Gregory Amerson
*/
@SuppressWarnings( "restriction" )
public class PortletResourcesContentProvider extends AbstractNavigatorContentProvider
{
protected final static Object[] EMPTY = new Object[] {};
public void dispose()
{
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
public Object[] getChildren( Object element )
{
if( element instanceof IProject )
{
final IProject project = (IProject) element;
if( ProjectUtil.isLiferayFacetedProject( project ) )
{
return new Object[] { new PortletResourcesRootNode( this, project ) };
}
}
else if( element instanceof PortletResourcesRootNode )
{
return new Object[] { new PortletsNode( (PortletResourcesRootNode) element ) };
}
else if( element instanceof PortletsNode )
{
return ( (PortletsNode) element ).getChildren();
}
return null;
}
public boolean hasChildren( Object element )
{
if( element instanceof IProject )
{
final IProject project = (IProject) element;
final IFile portletXmlFile = ProjectUtil.getPortletXmlFile( project );
if( portletXmlFile != null && portletXmlFile.exists() )
{
return true;
}
}
else if( element instanceof PortletResourcesRootNode )
{
final PortletResourcesRootNode rootNode = (PortletResourcesRootNode) element;
return rootNode.hasChildren();
}
else if( element instanceof PortletsNode )
{
final PortletsNode portletsNode = (PortletsNode) element;
return portletsNode.hasChildren();
}
return false;
}
public void refresh()
{
final NavigatorContentService s = (NavigatorContentService) getConfig().getService();
UIUtil.sync
(
new Runnable()
{
public void run()
{
try
{
final CommonViewer viewer = (CommonViewer) s.getViewer();
TreePath[] paths = viewer.getExpandedTreePaths();
viewer.refresh( true );
viewer.setExpandedTreePaths( paths );
}
catch( Exception e )
{
}
}
}
);
}
}