/**
 * Copyright (c) 2010-2012 ISBAN S.L
 * 
 * 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:
 * 		Ruben De Dios (ISBAN S.L)
 * 		Andrez Alvarez Mattos (ISBAN S.L)
 */
package org.eclipse.gmf.tooling.simplemap.model.triggers.compartment;

import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.gmfgraph.ChildAccess;
import org.eclipse.gmf.gmfgraph.Compartment;
import org.eclipse.gmf.gmfgraph.Figure;
import org.eclipse.gmf.gmfgraph.Label;
import org.eclipse.gmf.gmfgraph.RealFigure;
import org.eclipse.gmf.tooling.simplemap.model.triggers.AbstractTrigger;

class SetCompartmentNameTrigger extends AbstractTrigger {

	private Compartment compartment;

	private String newName;

	public SetCompartmentNameTrigger(TransactionalEditingDomain domain, Compartment compartment, String newName) {
		super(domain);

		this.compartment = compartment;
		this.newName = newName;
	}

	@Override
	public void executeTrigger() {

		updateCanvas();
	}

	private void updateCanvas() {

		Label compartmentLabelToRename = getCompartmentLabel(compartment);
		ChildAccess accessorToRename = compartment.getAccessor();

		String newCompartmentName = getNewCanvasElementName(newName, compartment);

		String newRectangleFigureName = newCompartmentName + "CompartmentFigure";
		String newAccessorName = "getFigure" + newRectangleFigureName;
		String newLabelFigureName = newCompartmentName + "CompartmentNameFigure";

		if (accessorToRename != null) {
			accessorToRename.setAccessor(newAccessorName);

			Figure compartmentFigureToRename = accessorToRename.getFigure();

			if (compartmentFigureToRename instanceof RealFigure)
				((RealFigure) compartmentFigureToRename).setName(newRectangleFigureName);
		}

		if (compartmentLabelToRename != null) {
			compartmentLabelToRename.setName(newLabelFigureName);
			compartmentLabelToRename.setText(newName);
		}

	}

	private Label getCompartmentLabel(Compartment compartment) {

		if (compartment.getAccessor() != null) {
			Figure compartmentFigure = compartment.getAccessor().getFigure();

			if (compartmentFigure instanceof RealFigure)
				for (Figure child : ((RealFigure) compartmentFigure).getChildren())
					if (child instanceof Label)
						return (Label) child;
		}

		return null;
	}
}