/*******************************************************************************
* Copyright (c) 2010-2015 Henshin developers. 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:
* TU Berlin, University of Luxembourg, SES S.A.
*******************************************************************************/
/*
*
*/
package de.tub.tfs.henshin.editor.actions.graph;
import java.util.List;
import org.eclipse.emf.henshin.model.Graph;
import org.eclipse.emf.henshin.model.HenshinPackage;
import org.eclipse.emf.henshin.model.Module;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.ui.actions.SelectionAction;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.ui.IWorkbenchPart;
import de.tub.tfs.henshin.editor.commands.graph.CreateGraphCommand;
import de.tub.tfs.henshin.editor.util.IconUtil;
import de.tub.tfs.henshin.editor.util.ModelUtil;
import de.tub.tfs.henshin.editor.util.validator.NameEditValidator;
import de.tub.tfs.henshin.model.layout.EContainerDescriptor;
/**
* The Class CreateGraphAction.
*/
public class CreateGraphAction extends SelectionAction {
/** The Constant ID. */
public static final String ID = "henshineditor.actions.CreateGraphAction";
/** The transformation system. */
private Module transformationSystem;
/**
* Instantiates a new create graph action.
*
* @param part
* the part
*/
public CreateGraphAction(IWorkbenchPart part) {
super(part);
setId(ID);
setText("Graph");
setToolTipText("Creates a new instance graph.");
setImageDescriptor(IconUtil.getDescriptor("graph18.png"));
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.ui.actions.WorkbenchPartAction#calculateEnabled()
*/
@Override
protected boolean calculateEnabled() {
List<?> selectedObjects = getSelectedObjects();
transformationSystem = null;
if (selectedObjects.size() == 1) {
Object selectedObject = selectedObjects.get(0);
if ((selectedObject instanceof EditPart)) {
EditPart editpart = (EditPart) selectedObject;
Object model = editpart.getModel();
if (model instanceof Module) {
transformationSystem = (Module) model;
}
else if (model instanceof EContainerDescriptor
&& editpart.getAdapter(Graph.class) != null) {
transformationSystem = (Module) ((EContainerDescriptor) model)
.getContainer();
}
}
}
return transformationSystem != null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
String defaultGraphName = ModelUtil.getNewChildDistinctName(
transformationSystem,
HenshinPackage.MODULE__INSTANCES, "graph");
InputDialog dialog = new InputDialog(getWorkbenchPart().getSite()
.getShell(), "Graph Name Input",
"Enter a name for the new instance graph:", defaultGraphName,
new NameEditValidator(transformationSystem,
HenshinPackage.MODULE__INSTANCES, true));
dialog.open();
if (dialog.getReturnCode() == Window.OK) {
Command command = new CreateGraphCommand(transformationSystem,
dialog.getValue());
execute(command);
}
}
}