/*
* 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.widget;
import java.util.Collections;
import java.util.List;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.PluginConstants;
import org.apache.directory.studio.schemaeditor.model.difference.PropertyDifference;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* This class implements the ContentProvider for the DifferencesWidget.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class DifferencesWidgetPropertiesContentProvider implements IStructuredContentProvider
{
/** The PropertySorter */
private PropertySorter propertySorter;
/** The TypeSorter */
private TypeSorter typeSorter;
/** The PreferenceStore */
private IPreferenceStore store;
/**
* Creates a new instance of DifferencesWidgetPropertiesContentProvider.
*
*/
public DifferencesWidgetPropertiesContentProvider()
{
propertySorter = new PropertySorter();
typeSorter = new TypeSorter();
store = Activator.getDefault().getPreferenceStore();
}
/**
* {@inheritDoc}
*/
@SuppressWarnings("unchecked")
public Object[] getElements( Object inputElement )
{
if ( inputElement instanceof List )
{
List<PropertyDifference> differences = ( List<PropertyDifference> ) inputElement;
int prefValue = store.getInt( PluginConstants.PREFS_DIFFERENCES_WIDGET_GROUPING );
if ( prefValue == PluginConstants.PREFS_DIFFERENCES_WIDGET_GROUPING_PROPERTY )
{
Collections.sort( differences, propertySorter );
}
else if ( prefValue == PluginConstants.PREFS_DIFFERENCES_WIDGET_GROUPING_TYPE )
{
Collections.sort( differences, typeSorter );
}
return differences.toArray();
}
// Default
return null;
}
/**
* {@inheritDoc}
*/
public void dispose()
{
// Nothing to do
}
/**
* {@inheritDoc}
*/
public void inputChanged( Viewer viewer, Object oldInput, Object newInput )
{
// Nothing do to
}
}