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/*****************************************************************************
* Copyright (c) 2011 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.views.modelexplorer.handler;
import java.util.Hashtable;
import java.util.List;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExecutableExtension;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.infra.core.sashwindows.di.service.IPageManager;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.core.services.ServicesRegistry;
import org.eclipse.papyrus.infra.ui.util.ServiceUtilsForHandlers;
/**
* This handler allows to Close Diagrams and Tables
*
*
*
*/
public class CloseHandler extends AbstractModelExplorerHandler implements IExecutableExtension {
/** parameters for this action */
/**
* close all open elements
*/
public static final String PARAMETER_ALL = "all"; //$NON-NLS-1$
/**
* Close only the selected elements
*/
public static final String PARAMETER_SELECTION = "selection"; //$NON-NLS-1$
/** parameter for this handler */
protected String parameter = null;
/** parameter ID */
protected String parameterID = "close_parameter"; //$NON-NLS-1$
/**
*
* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*
* @param event
* @return
* @throws ExecutionException
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
final IPageManager pageMngr;
try {
ServicesRegistry registry = ServiceUtilsForHandlers.getInstance().getServiceRegistry(event);
pageMngr = registry.getService(IPageManager.class);
} catch (ServiceException ex) {
throw new ExecutionException(ex.getMessage(), ex);
}
// What kind of command ?
if (PARAMETER_ALL.equals(parameter)) {
pageMngr.closeAllOpenedPages();
return null;
}
// Try to close each selected editor.
// There is no common type for object representing an editor. So,
// We try to get the EObject, and try to close it as an Editor.
List<EObject> selectedProperties = getCurrentSelectionAdaptedToType(event, EObject.class);
if (selectedProperties == null) {
// nothing to do
return null;
}
// Check each selected object
for (EObject selected : selectedProperties) {
if (pageMngr.isOpen(selected)) {
pageMngr.closePage(selected);
}
}
return null;
}
/**
*
* @see org.eclipse.core.runtime.IExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)
*
* @param config
* @param propertyName
* @param data
* @throws CoreException
*/
@Override
public void setInitializationData(IConfigurationElement config, String propertyName, Object data) throws CoreException {
if (data instanceof Hashtable && this.parameterID != null) {
this.parameter = (String) ((Hashtable) data).get(this.parameterID);
}
}
}
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