/*
* 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.editors.attributetype;
import java.util.Collections;
import java.util.List;
import org.apache.directory.api.ldap.model.schema.MatchingRule;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.view.editors.NonExistingMatchingRule;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* This class implements the Content Provider for the Equality Combo of the Attribute Type Editor.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ATEMatchingRulesComboContentProvider implements IStructuredContentProvider
{
/**
* {@inheritDoc}
*/
public Object[] getElements( Object inputElement )
{
if ( inputElement instanceof ATEMatchingRulesComboInput )
{
ATEMatchingRulesComboInput input = ( ATEMatchingRulesComboInput ) inputElement;
if ( input.getChildren().isEmpty() )
{
// Creating the '(None)' item
input.addChild( new NonExistingMatchingRule( NonExistingMatchingRule.NONE ) );
// Creating Children
List<MatchingRule> equalityMatchingRules = Activator.getDefault().getSchemaHandler()
.getMatchingRules();
for ( MatchingRule matchingRule : equalityMatchingRules )
{
input.addChild( matchingRule );
}
}
// Getting Children
List<Object> children = input.getChildren();
// Sorting Children
Collections.sort( children, new ATEMatchingRulesComboComparator() );
return children.toArray();
}
// Default
return new Object[0];
}
/**
* {@inheritDoc}
*/
public void dispose()
{
}
/**
* {@inheritDoc}
*/
public void inputChanged( Viewer viewer, Object oldInput, Object newInput )
{
}
}