SetLinkMappingNameTrigger.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.link;

import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.gmfgraph.Connection;
import org.eclipse.gmf.gmfgraph.DiagramLabel;
import org.eclipse.gmf.gmfgraph.FigureDescriptor;
import org.eclipse.gmf.gmfgraph.Label;
import org.eclipse.gmf.gmfgraph.PolylineConnection;
import org.eclipse.gmf.gmfgraph.RealFigure;
import org.eclipse.gmf.tooldef.AbstractTool;
import org.eclipse.gmf.tooling.simplemap.model.triggers.AbstractTrigger;
import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleLinkMapping;

class SetLinkMappingNameTrigger extends AbstractTrigger {

	private SimpleLinkMapping simpleLinkMapping;

	private String newName;

	public SetLinkMappingNameTrigger(TransactionalEditingDomain domain, SimpleLinkMapping linkMapping, String newName) {
		super(domain);

		this.simpleLinkMapping = linkMapping;
		this.newName = newName;
	}

	@Override
	public void executeTrigger() {

		updateCanvas();

	}

	private void updateCanvas() {

		Connection connectionToRename = simpleLinkMapping.getDiagramLink();
		AbstractTool toolToRename = simpleLinkMapping.getTool();
		DiagramLabel diagramLabelToRename = simpleLinkMapping.getDiagramLabel();

		//Connection Name
		if (connectionToRename != null && canRename(connectionToRename)) {
			String newLinkName = getNewCanvasElementName(newName, connectionToRename);
			connectionToRename.setName(newLinkName);

			renameConnection(connectionToRename, newName);
		}

		//Label Mapping Name
		String newDiagramLabelName = newName + "ConnectionName";

		if (diagramLabelToRename != null && canRename(diagramLabelToRename)) {
			String newLabelName = getNewCanvasElementName(newDiagramLabelName, diagramLabelToRename);
			diagramLabelToRename.setName(newLabelName);

			renameLabel(diagramLabelToRename, newName + "ConnectionLabel");
		}

		//Tool Name
		if (toolToRename != null && canRename(toolToRename)) {
			String newToolName = getNewToolName(newName, toolToRename);
			toolToRename.setTitle(newToolName);
			toolToRename.setDescription("Create new " + newName + "Connection");
		}
	}

	private void renameConnection(Connection connectionToRename, String newElementName) {
		String newFigureName = newElementName + "ConnectionFigure";

		//Figure Descriptor Name
		FigureDescriptor figDesc = connectionToRename.getFigure();

		String newFigDescName = getNewCanvasElementName(newFigureName, figDesc);

		figDesc.setName(newFigDescName);

		//Figure Name
		if (figDesc.getActualFigure() instanceof RealFigure)
			((RealFigure) figDesc.getActualFigure()).setName(newFigDescName);

		String newTargetDecorationName = newName + "TargetDecoration";
		String newSourceDecorationName = newName + "SourceDecoration";

		if (figDesc.getActualFigure() instanceof PolylineConnection) {
			PolylineConnection polylineConnection = (PolylineConnection) figDesc.getActualFigure();

			if (polylineConnection.getTargetDecoration() != null)
				polylineConnection.getTargetDecoration().setName(newTargetDecorationName);

			if (polylineConnection.getSourceDecoration() != null)
				polylineConnection.getSourceDecoration().setName(newSourceDecorationName);

		}

	}

	private void renameLabel(DiagramLabel labelToRename, String newElementName) {
		String newFigureName = newElementName + "Figure";

		//Figure Descriptor Name
		FigureDescriptor figDesc = labelToRename.getFigure();

		String newFigDescName = getNewCanvasElementName(newFigureName, figDesc);

		figDesc.setName(newFigDescName);

		//Figure Name
		if (figDesc.getActualFigure() instanceof RealFigure)
			((RealFigure) figDesc.getActualFigure()).setName(newFigDescName);

		if (figDesc.getActualFigure() instanceof Label)
			((Label) figDesc.getActualFigure()).setText(newName.toLowerCase());

	}

}