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/*****************************************************************************
* Copyright (c) 2012 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Vincent Lorenzo (CEA LIST) Vincent.Lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.junit.utils;
import junit.framework.Assert;
import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.ParameterizedCommand;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.commands.ICommandService;
import org.eclipse.ui.handlers.IHandlerService;
/**
*
* Useful methods for the handlers and the Eclipse commands
*
*/
public class HandlerUtils {
/**
* Warning : you should be sure that the correct Editor/partView... has the focus to test the enablement if the handler!
*
* @param commandId
* the command id
* @return
* the current handler for this command
*/
public static final IHandler getActiveHandlerFor(final String commandId) {
return HandlerUtils.getCommand(commandId).getHandler();
}
/**
*
* @param commandId
* the commandId
* @return
* the real handler for the command
*/
public static final IHandler getRealHandlerFor(final String commandId) {
//commented because it works only on Eclipse4
//imports to add :
// - org.eclipse.e4.ui.model.application.MApplication;
// - org.eclipse.e4.core.contexts.IEclipseContext
// - org.eclipse.e4.core.commands.internal.HandlerServiceImpl
// - org.eclipse.ui.internal.handlers.E4HandlerProxy
// MApplication appl = (MApplication)PlatformUI.getWorkbench().getActiveWorkbenchWindow().getService(MApplication.class);
// IEclipseContext context = appl.getContext();
// E4HandlerProxy handler = HandlerServiceImpl.lookUpHandler(context, commandId);
// return handler.getHandler();
throw new UnsupportedOperationException();
}
/**
*
* @param commandId
* the command id
* @return
* the command object for this command id
*/
public static final Command getCommand(final String commandId) {
final ICommandService commandService = (ICommandService)PlatformUI.getWorkbench().getActiveWorkbenchWindow().getService(ICommandService.class);
commandService.refreshElements(commandId, null);
Assert.assertNotNull("CommandService can't be found", commandService);
Command cmd = commandService.getCommand(commandId);
Assert.assertNotNull("Command can't be found", cmd);
return cmd;
}
/**
* Execute the command
*
* @param cmd
* a command
*/
public static final void executeCommand(final Command cmd) throws Exception {
IHandlerService handlerService = (IHandlerService)PlatformUI.getWorkbench().getService(IHandlerService.class);
Assert.assertNotNull("Impossible to find handler service", handlerService);
final ParameterizedCommand parameterizedCommand = new ParameterizedCommand(cmd, null);
Assert.assertEquals("Command is not executable as expected", cmd.isEnabled(), true);
//execute the command
handlerService.executeCommand(parameterizedCommand, null);
}
}
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