bundles/org.eclipse.emf.ecp.ide.editor.view.templatebridge/src/org/eclipse/emf/ecp/internal/ide/editor/view/templatebridge/actions/OpenTemplateEditorAction.java

/*******************************************************************************
 * Copyright (c) 2011-2016 EclipseSource Muenchen GmbH and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 * Johannes Faltermeier - initial API and implementation
 ******************************************************************************/
package org.eclipse.emf.ecp.internal.ide.editor.view.templatebridge.actions;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecp.view.spi.model.VElement;
import org.eclipse.emf.ecp.view.spi.treemasterdetail.ui.swt.MasterDetailAction;
import org.eclipse.emf.ecp.view.template.tooling.wizards.EMFFormsTemplateWizard;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.handlers.HandlerUtil;

/**
 * Handler for opening the template editor.
 *
 * @author Johannes Faltermeier
 *
 */
public class OpenTemplateEditorAction extends MasterDetailAction {

	@Override
	public boolean shouldShow(EObject eObject) {
		return VElement.class.isInstance(eObject);
	}

	@Override
	public void execute(EObject object) {
		final WizardDialog dialog = new WizardDialog(Display.getDefault().getActiveShell(),
			new EMFFormsTemplateWizard(VElement.class.cast(object)));
		dialog.open();
	}

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		final Object selection = ((IStructuredSelection) HandlerUtil.getActiveMenuSelection(event)).getFirstElement();
		if (selection == null || !(selection instanceof EObject)) {
			return null;
		}
		execute((EObject) selection);
		return null;
	}

}