/*
* 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.schemaeditor.view.views;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.model.Project;
import org.apache.directory.studio.schemaeditor.view.wrappers.ProjectSorter;
import org.apache.directory.studio.schemaeditor.view.wrappers.ProjectWrapper;
import org.apache.directory.studio.schemaeditor.view.wrappers.ProjectsViewRoot;
import org.apache.directory.studio.schemaeditor.view.wrappers.TreeNode;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
/**
* This class implements the ContentProvider for the ProblemsView.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ProjectsViewContentProvider implements IStructuredContentProvider, ITreeContentProvider
{
/** The viewer */
private TableViewer tableViewer;
/** The Sorter */
private ProjectSorter projectSorter;
/**
* Creates a new instance of ProjectsViewContentProvider.
*
* @param tableViewer
* the TableViewer
*/
public ProjectsViewContentProvider( TableViewer tableViewer )
{
this.tableViewer = tableViewer;
projectSorter = new ProjectSorter();
}
/**
* {@inheritDoc}
*/
public Object[] getElements( Object inputElement )
{
return getChildren( inputElement );
}
/**
* {@inheritDoc}
*/
public void dispose()
{
// Nothing to do.
}
/**
* {@inheritDoc}
*/
public void inputChanged( Viewer viewer, Object oldInput, Object newInput )
{
// Nothing to do.
}
/**
* {@inheritDoc}
*/
public Object[] getChildren( Object parentElement )
{
List<TreeNode> children = new ArrayList<TreeNode>();
if ( parentElement instanceof ProjectsViewRoot )
{
ProjectsViewRoot projectsViewRoot = ( ProjectsViewRoot ) parentElement;
if ( !projectsViewRoot.hasChildren() )
{
for ( Project project : Activator.getDefault().getProjectsHandler().getProjects() )
{
projectsViewRoot.addChild( new ProjectWrapper( project, tableViewer ) );
}
}
children = projectsViewRoot.getChildren();
// Sorting Children
Collections.sort( children, projectSorter );
}
return children.toArray();
}
/**
* {@inheritDoc}
*/
public Object getParent( Object element )
{
if ( element instanceof TreeNode )
{
return ( ( TreeNode ) element ).getParent();
}
// Default
return null;
}
/**
* {@inheritDoc}
*/
public boolean hasChildren( Object element )
{
if ( element instanceof TreeNode )
{
return ( ( TreeNode ) element ).hasChildren();
}
// Default
return false;
}
}