/*****************************************************************************
 * Copyright (c) 2008 CEA LIST.
 *
 *    
 * 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:
 *  Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
 *
 *****************************************************************************/
package org.eclipse.papyrus.uml.diagram.common.editparts;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.emf.appearance.helper.NameLabelIconHelper;
import org.eclipse.papyrus.uml.diagram.common.figure.node.IPapyrusNodeNamedElementFigure;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.uml2.uml.NamedElement;

/**
 * this editpart manage the font and icon of the name label and qualified name
 * label.
 * 
 */
public abstract class NamedElementEditPart extends UMLNodeEditPart implements IUMLNamedElementEditPart {

	/**
	 * {@inheritDoc}
	 */
	public NamedElementEditPart(View view) {
		super(view);
	}

	public NamedElement getNamedElement() {
		return (NamedElement)getUMLElement();
	}

	/**
	 * 
	 * {@inheritDoc}
	 */
	@Override
	protected void handleNotificationEvent(Notification event) {
		super.handleNotificationEvent(event);

		// set the figure active when the feature of the of a class is true
		if(resolveSemanticElement() != null) {
			refreshIconNamedLabel();
			refreshFontColor();
		}
	}

	private void refreshIconNamedLabel() {
		getNodeNamedElementFigure().setNameLabelIcon(NameLabelIconHelper.showLabelIcon((View)getModel()));
	}

	@Override
	protected void refreshVisuals() {
		super.refreshVisuals();
		if(getNodeNamedElementFigure() != null && resolveSemanticElement() != null) {
			refreshIconNamedLabel();
			refreshFontColor();
		}

	}

	/**
	 * A method to specify the labels to be update when the font is refreshed.
	 * Subclasses should call super.refreshLabelsFont(font)
	 * 
	 * @param font
	 *        the font to use
	 */
	@Override
	protected void refreshLabelsFont(Font font) {
		super.refreshLabelsFont(font);
		// Apply the font to the Name Label
		getNodeNamedElementFigure().getNameLabel().setFont(font);
		// Apply the font to the Qualified Name
		if(getNodeNamedElementFigure().getQualifiedNameLabel() != null) {
			getNodeNamedElementFigure().getQualifiedNameLabel().setFont(font);
		}
		// Apply the font to the tagged Label
		if(getNodeNamedElementFigure().getTaggedLabel() != null) {
			getNodeNamedElementFigure().getTaggedLabel().setFont(font);
		}
	}

	private IPapyrusNodeNamedElementFigure getNodeNamedElementFigure() {
		return (IPapyrusNodeNamedElementFigure)getPrimaryShape();
	}

	/**
	 * 
	 * {@inheritDoc}
	 */
	@Override
	protected void setFontColor(Color color) {
		super.setFontColor(color);
		// Qualified Name
		if(getNodeNamedElementFigure().getQualifiedNameLabel() != null) {
			getNodeNamedElementFigure().getQualifiedNameLabel().setForegroundColor(color);
		}
		// TaggedLabel
		if(getNodeNamedElementFigure().getTaggedLabel() != null) {
			getNodeNamedElementFigure().getTaggedLabel().setForegroundColor(color);
		}
	}

}