NewTopNodeTrigger.java example

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gmf-tooling-master
/**
 * 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.parent;

import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.gmfgraph.BasicFont;
import org.eclipse.gmf.gmfgraph.DiagramLabel;
import org.eclipse.gmf.gmfgraph.GMFGraphFactory;
import org.eclipse.gmf.gmfgraph.Label;
import org.eclipse.gmf.gmfgraph.Node;
import org.eclipse.gmf.mappings.FeatureLabelMapping;
import org.eclipse.gmf.mappings.GMFMapFactory;
import org.eclipse.gmf.mappings.NodeMapping;
import org.eclipse.gmf.mappings.TopNodeReference;
import org.eclipse.gmf.tooldef.CreationTool;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleMapping;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleNode;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleParentNode;

class NewTopNodeTrigger extends NewElementTrigger {

	protected SimpleNode newSimpleNode;

	protected SimpleParentNode parent;

	public NewTopNodeTrigger(TransactionalEditingDomain domain, SimpleParentNode parent, SimpleNode newSimpleNode) {
		super(domain, newSimpleNode);

		this.newSimpleNode = newSimpleNode;
		this.parent = parent;

	}

	@Override
	public void executeTrigger() {

		Node newNode = GMFGraphFactory.eINSTANCE.createNode();
		DiagramLabel newLabel = GMFGraphFactory.eINSTANCE.createDiagramLabel();

		Label parentLabel = getLabelFigure(parent);

		BasicFont parentFont = parentLabel != null ? (BasicFont) parentLabel.getFont() : null;

		updateCanvas(newNode, newLabel, parentFont);

		CreationTool newCreationTool = createNewTool();

		updateMapping((SimpleMapping) parent, newNode, newLabel, newCreationTool);

	}

	protected void updateCanvas(Node newNode, DiagramLabel newLabel, BasicFont parentFont) {
		canvasFactory.createDefaultRoundedRectangleWithLabel(newNode, newLabel, true, parentFont);
	}

	/**
	 * El padre es el diagrama:
	 * @param mapping
	 * @param newNode
	 * @param newLabel
	 * @param newCreationTool
	 */
	protected void updateMapping(SimpleMapping mapping, Node newNode, DiagramLabel newLabel, CreationTool newCreationTool) {
		NodeMapping newNodeMapping = createNewNodeMapping(newNode, newLabel, newCreationTool);

		TopNodeReference newTopNodeReference = GMFMapFactory.eINSTANCE.createTopNodeReference();

		newTopNodeReference.setOwnedChild(newNodeMapping);

		mapping.getMapping().getNodes().add(newTopNodeReference);

		newSimpleNode.setNodeReference(newTopNodeReference);

	}

	protected NodeMapping createNewNodeMapping(Node newNode, DiagramLabel newLabel, CreationTool newCreationTool) {
		NodeMapping newNodeMapping = GMFMapFactory.eINSTANCE.createNodeMapping();

		//Diagram Node
		newNodeMapping.setDiagramNode(newNode);

		//Tool
		newNodeMapping.setTool(newCreationTool);

		//Feature Label Mapping
		FeatureLabelMapping labelMapping = GMFMapFactory.eINSTANCE.createFeatureLabelMapping();
		labelMapping.setDiagramLabel(newLabel);

		newNodeMapping.getLabelMappings().add(labelMapping);

		return newNodeMapping;

	}

}