SimpleMappingElementWithFigureSettingDelegate.java

/**
 * 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.setting;

import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.util.BasicSettingDelegate.Stateless;
import org.eclipse.gmf.gmfgraph.Compartment;
import org.eclipse.gmf.gmfgraph.Connection;
import org.eclipse.gmf.gmfgraph.DiagramLabel;
import org.eclipse.gmf.gmfgraph.Figure;
import org.eclipse.gmf.gmfgraph.Node;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleCompartment;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleLabelNode;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleLinkMapping;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleMappingElementWithFigure;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleNode;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimplemappingsPackage;

public class SimpleMappingElementWithFigureSettingDelegate extends Stateless {

	public SimpleMappingElementWithFigureSettingDelegate(EStructuralFeature arg0) {
		super(arg0);
	}

	@Override
	protected Object get(InternalEObject owner, boolean resolve, boolean coreType) {

		if (eStructuralFeature.getEContainingClass() == SimplemappingsPackage.Literals.SIMPLE_MAPPING_ELEMENT_WITH_FIGURE) {
			switch (eStructuralFeature.getEContainingClass().getEAllStructuralFeatures().indexOf(eStructuralFeature)) {
			case SimplemappingsPackage.SIMPLE_MAPPING_ELEMENT_WITH_FIGURE__NODE_FIGURE:
				return getNodeFigure((SimpleMappingElementWithFigure) owner);
			case SimplemappingsPackage.SIMPLE_MAPPING_ELEMENT_WITH_FIGURE__LABEL_FIGURE:
				return getLabelFigure((SimpleMappingElementWithFigure) owner);
			}

		}

		return null;
	}

	@Override
	protected boolean isSet(InternalEObject owner) {

		return false;
	}

	private Figure getLabelFigure(SimpleMappingElementWithFigure target) {

		Figure figure = null;

		if (target instanceof SimpleNode) {
			DiagramLabel diagramLabel = ((SimpleNode) target).getDiagramLabel();
			if (diagramLabel != null && diagramLabel.getAccessor() != null)
				figure = diagramLabel.getAccessor().getFigure();
		}

		if (target instanceof SimpleLabelNode) {
			figure = ((SimpleNode) target).getDiagramLabel().getFigure().getActualFigure();
		}

		if (target instanceof SimpleCompartment) {
			figure = ((SimpleCompartment) target).getCompartment().getFigure().getActualFigure();
		}

		if (target instanceof SimpleLinkMapping) {
			figure = ((SimpleLinkMapping) target).getDiagramLabel().getFigure().getActualFigure();

		}

		return figure;
	}

	private Figure getNodeFigure(SimpleMappingElementWithFigure target) {

		Figure figure = null;

		if (target instanceof SimpleNode) {
			Node node = ((SimpleNode) target).getDiagramNode();

			if (node != null && node.getFigure() != null)
				figure = node.getFigure().getActualFigure();
		}

		if (target instanceof SimpleCompartment) {
			Compartment compartment = ((SimpleCompartment) target).getCompartment();
			if (compartment != null && compartment.getAccessor() != null)
				figure = compartment.getAccessor().getFigure();
		}

		if (target instanceof SimpleLinkMapping) {
			Connection connection = ((SimpleLinkMapping) target).getDiagramLink();
			if (connection != null && connection.getFigure() != null)
				figure = connection.getFigure().getActualFigure();
		}

		return figure;
	}

}