/*
* 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.utils;
import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.IHandler;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.commands.ActionHandler;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.commands.ICommandService;
/**
* Utils for Eclipse IAction objects.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public final class ActionUtils
{
/**
* A private constructor to make this class an utility class we can't instanciate.
**/
private ActionUtils()
{
}
/**
* Deactivates the action handler, if the handler's action is equal to
* the given action.
*
* @param action the action
*/
public static void deactivateActionHandler( IAction action )
{
ICommandService commandService = ( ICommandService ) PlatformUI.getWorkbench().getAdapter(
ICommandService.class );
if ( commandService != null )
{
Command command = commandService.getCommand( action.getActionDefinitionId() );
IHandler handler = command.getHandler();
if ( handler instanceof ActionHandler )
{
ActionHandler actionHandler = ( ActionHandler ) handler;
if ( ( actionHandler != null ) && ( actionHandler.getAction() == action ) )
{
command.setHandler( null );
}
}
else if ( handler != null )
{
command.setHandler( null );
}
}
}
/**
* Activates the action handler
*
* @param action the action
*/
public static void activateActionHandler( IAction action )
{
ICommandService commandService = ( ICommandService ) PlatformUI.getWorkbench().getAdapter(
ICommandService.class );
if ( commandService != null )
{
ActionHandler actionHandler = new ActionHandler( action );
commandService.getCommand( action.getActionDefinitionId() ).setHandler( actionHandler );
}
}
}