lookAndFeel/plugins/org.eclipse.papyrus.uml.diagram.clazz.lf.associationlabellayout/src/org/eclipse/papyrus/uml/diagram/clazz/lf/associationlabellayout/edit/parts/SelfLaidOutAssociationMultiplicityTargetEditPart.java

/*****************************************************************************
 * Copyright (c) 2019 CEA LIST.
 *
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *  Xavier Le Pallec (for CEA LIST) xlepallec@lilo.org - Bug 558456
 *
 *****************************************************************************/

package org.eclipse.papyrus.uml.diagram.clazz.lf.associationlabellayout.edit.parts;

import org.eclipse.draw2d.Connection;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.gmfdiag.common.locator.PapyrusLabelLocator;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.AssociationEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.AssociationMultiplicityTargetEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.lf.associationlabellayout.locators.target.TargetLocatorFactory;

/**
 * This alternative implementation of AssociationMultiplicityTargetEditPart is mainly
 * motivated to bypass the access to the corresponding figure (target multiplicity
 * {@link org.eclipse.papyrus.uml.diagram.clazz.lf.associationlabellayout.figures.SelfLaidOutWrappingLabel})
 * and its associated locator
 * {@link org.eclipse.papyrus.uml.diagram.clazz.lf.associationlabellayout.locators.target.MultiplicityTargetLabelLocator}.<BR>
 * 
 */

public class SelfLaidOutAssociationMultiplicityTargetEditPart extends AssociationMultiplicityTargetEditPart implements AccessForLocatorManager {

	private LocatorManager locatorManager;
	
	/**
	 * Inherited constructor.
	 * 
	 * @param view (legacy)
	 */
	public SelfLaidOutAssociationMultiplicityTargetEditPart(View view) {
		super(view);
		locatorManager=new LocatorManager(this);
	}

	/**
	 * This method is called when an visual update is necessary. The main goal here
	 * is to create an instance of our locator
	 * ({@link org.eclipse.papyrus.uml.diagram.clazz.lf.associationlabellayout.locators.target.MultiplicityTargetLabelLocator})
	 * if it is the first refreshBounds. The creation of this instance is done
	 * through the {@link SelfLaidOutAssociationMultiplicityTargetEditPart#initializeLocator(Connection, Point)} method here but this method is called in the
	 * LocatorManager
	 * ({@link org.eclipse.papyrus.uml.diagram.clazz.lf.associationlabellayout.edit.parts.LocatorManager#connectSpecificLocatorIfActivated()}
	 */
	@Override
	public void refreshBounds() {
		locatorManager.connectSpecificLocatorIfActivated();
		
		super.refreshBounds();
	}
	
	/**
	 * This method creates the (good) locator for this target multiplicity.
	 */
	
	public void initializeLocator(Connection connectionFigure, Point offset) {
		papyrusLabelLocator = TargetLocatorFactory.getInstance().createMultiplicityTargetLabelLocator(connectionFigure, offset, getKeyPoint());
	}
	
	/**
	 * This method gets the corresponding figure for this target multiplicity. It asks the AssociationFigure (PrimaryShape) for that.
	 */
	@Override
	public IFigure getFigure() {
		return AssociationEditPart.class.cast(getParent()).getPrimaryShape().getMultiplicityTargetLabel();
	}

	/**
	 * This method gets the locator (i.e. layout manager) for this target multiplicity.
	 */
	@Override
	public PapyrusLabelLocator getLocator() {
		return this.papyrusLabelLocator;
	}

	/**
	 * This method sets the locator (i.e. layout manager) for this target multiplicity.
	 */
	@Override
	public void setLocator(PapyrusLabelLocator locator) {
		this.papyrusLabelLocator=locator;
	}



	
	
}