SimpleNodeFormatParser.java example

Explorer
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.diagram.parsers;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.gmfgraph.Figure;
import org.eclipse.gmf.gmfgraph.RGBColor;
import org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleMappingElementWithFigure;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleNodeReference;

/**
 * MessageFormatParser para ColumnEditPart (Se asocia en SimpleMapParserProvider)
 * Lo usamos para provocar un refresco del label, ante cambios en la columna y en las propiedades del tipo de dato
 * @author xIS05655
 *
 */
public class SimpleNodeFormatParser extends MessageFormatParser implements ISemanticParser {

	public SimpleNodeFormatParser(EAttribute[] features) {
		super(features);
	}

	public SimpleNodeFormatParser(EAttribute[] features, EAttribute[] editableFeatures) {
		super(features, editableFeatures);
	}

	public static SimpleNodeFormatParser getInstance(EAttribute[] features, EAttribute[] editableFeatures) {
		if (editableFeatures == null)
			return new SimpleNodeFormatParser(features);
		else
			return new SimpleNodeFormatParser(features, editableFeatures);
	}

	/**
	 * Al hacer que esta clase implemente ISemanticParser, podemos hacer que ColumnEditPart escuche notificaciones de
	 * otros Notifiers ademas de EColumn
	 */
	@Override
	public List getSemanticElementsBeingParsed(EObject element) {
		List<EObject> parserElements = new ArrayList<EObject>(1);

		//Deberia ser siempre EColumn pero alguna vez da un ClassCast y no sabemos por que
		if (element instanceof SimpleNodeReference) {
			parserElements.add((SimpleNodeReference) element);
			parserElements.add(((SimpleNodeReference) element).getNodeReference());

			if (((SimpleNodeReference) element).getNodeReference() != null)
				parserElements.add(((SimpleNodeReference) element).getNodeReference().getChild());
		}

		if (element instanceof SimpleMappingElementWithFigure) {
			parserElements.add(getFigureBackgroundColor((SimpleMappingElementWithFigure) element));
			parserElements.add(getFigureForegroundColor((SimpleMappingElementWithFigure) element));
		}

		return parserElements;
	}

	@Override
	public boolean areSemanticElementsAffected(EObject listener, Object notification) {
		return true;
	}

	private RGBColor getFigureBackgroundColor(SimpleMappingElementWithFigure childNode) {

		Figure nodeFigure = childNode.getNodeFigure();

		if (nodeFigure != null && nodeFigure.getBackgroundColor() instanceof RGBColor)
			return (RGBColor) nodeFigure.getBackgroundColor();

		return null;
	}

	private RGBColor getFigureForegroundColor(SimpleMappingElementWithFigure childNode) {
		Figure nodeFigure = childNode.getNodeFigure();

		if (nodeFigure != null && nodeFigure.getForegroundColor() instanceof RGBColor)
			return (RGBColor) nodeFigure.getForegroundColor();

		return null;
	}
}