/*
    * Copyright (C) 2007-2012 Argeo GmbH
    *
    * Licensed 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.argeo.cms.ui.workbench.rap.commands;
  
  import org.argeo.cms.ui.workbench.UserHomePerspective;
  import org.argeo.cms.ui.workbench.util.CommandUtils;
  import org.argeo.eclipse.ui.dialogs.ErrorFeedback;
  import org.eclipse.core.commands.AbstractHandler;
  import org.eclipse.core.commands.ExecutionEvent;
  import org.eclipse.core.commands.ExecutionException;
  import org.eclipse.ui.WorkbenchException;
  import org.eclipse.ui.handlers.HandlerUtil;
  
  /** Default action of the user menu */
  public class OpenHome extends AbstractHandler {
  	private final static String PROP_OPEN_HOME_CMD_ID = "org.argeo.ui.openHomeCommandId";
  
  	public Object execute(ExecutionEvent event) throws ExecutionException {
  
  		String defaultCmdId = System.getProperty(PROP_OPEN_HOME_CMD_ID, "");
  		if (!"".equals(defaultCmdId.trim()))
  			CommandUtils.callCommand(defaultCmdId);
  		else {
  			try {
  				String defaultPerspective = HandlerUtil.getActiveWorkbenchWindow(event).getWorkbench()
  						.getPerspectiveRegistry().getDefaultPerspective();
  				HandlerUtil.getActiveSite(event).getWorkbenchWindow()
  						.openPage(defaultPerspective != null ? defaultPerspective : UserHomePerspective.ID, null);
  			} catch (WorkbenchException e) {
  				ErrorFeedback.show("Cannot open home perspective", e);
  			}
  		}
  		return null;
  	}
  }