ac.soton.eventb.classdiagrams.diagram.part.ClassdiagramsDiagramUpdateCommand.java Source code

Introduction

Here is the source code for ac.soton.eventb.classdiagrams.diagram.part.ClassdiagramsDiagramUpdateCommand.java

Source

/*
 * Copyright (c) 2012 University of Southampton.
 * 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
 */
package ac.soton.eventb.classdiagrams.diagram.part;

import java.util.Iterator;
import java.util.List;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.IHandlerListener;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.EditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.CanonicalEditPolicy;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.PlatformUI;

/**
 * @generated
 */
public class ClassdiagramsDiagramUpdateCommand implements IHandler {

    /**
     * @generated
     */
    public void addHandlerListener(IHandlerListener handlerListener) {
    }

    /**
     * @generated
     */
    public void dispose() {
    }

    /**
     * @generated
     */
    public Object execute(ExecutionEvent event) throws ExecutionException {
        ISelection selection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService()
                .getSelection();
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            if (structuredSelection.size() != 1) {
                return null;
            }
            if (structuredSelection.getFirstElement() instanceof EditPart
                    && ((EditPart) structuredSelection.getFirstElement()).getModel() instanceof View) {
                EObject modelElement = ((View) ((EditPart) structuredSelection.getFirstElement()).getModel())
                        .getElement();
                List editPolicies = CanonicalEditPolicy.getRegisteredEditPolicies(modelElement);
                for (Iterator it = editPolicies.iterator(); it.hasNext();) {
                    CanonicalEditPolicy nextEditPolicy = (CanonicalEditPolicy) it.next();
                    nextEditPolicy.refresh();
                }

            }
        }
        return null;
    }

    /**
     * @generated
     */
    public boolean isEnabled() {
        return true;
    }

    /**
     * @generated
     */
    public boolean isHandled() {
        return true;
    }

    /**
     * @generated
     */
    public void removeHandlerListener(IHandlerListener handlerListener) {
    }

}