/*
 *  License (BSD Style License):
 *   Copyright (c) 2011
 *   Software Engineering
 *   Department of Computer Science
 *   Technische Universität Darmstadt
 *   All rights reserved.
 * 
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions are met:
 * 
 *   - Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   - Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *   - Neither the name of the Software Engineering Group or Technische 
 *     Universität Darmstadt nor the names of its contributors may be used to 
 *     endorse or promote products derived from this software without specific 
 *     prior written permission.
 * 
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 *   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *   POSSIBILITY OF SUCH DAMAGE.
 */
package de.tud.cs.st.vespucci.vespucci_model.diagram.sheet;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.BaseLabelProvider;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.graphics.Image;

/**
 * @generated
 */
public class VespucciSheetLabelProvider extends BaseLabelProvider implements ILabelProvider {
	/**
	 * @generated NOT
	 */
	@Override
	public String getText(Object element) {
		element = unwrap(element);
		if (element instanceof de.tud.cs.st.vespucci.vespucci_model.diagram.navigator.VespucciNavigatorGroup) {
			return ((de.tud.cs.st.vespucci.vespucci_model.diagram.navigator.VespucciNavigatorGroup) element).getGroupName();
		}
		// quick fix
		if (getView(element) instanceof Diagram) {
			return ((Diagram) getView(element)).getName();
		}
		final IElementType etype = getElementType(getView(element));
		return etype == null ? "" : etype.getDisplayName();
	}

	/**
	 * @generated
	 */
	@Override
	public Image getImage(Object element) {
		IElementType etype = getElementType(getView(unwrap(element)));
		return etype == null ? null : de.tud.cs.st.vespucci.vespucci_model.diagram.providers.VespucciElementTypes.getImage(etype);
	}

	/**
	 * @generated
	 */
	private Object unwrap(Object element) {
		if (element instanceof IStructuredSelection) {
			return ((IStructuredSelection) element).getFirstElement();
		}
		return element;
	}

	/**
	 * @generated
	 */
	private View getView(Object element) {
		if (element instanceof View) {
			return (View) element;
		}
		if (element instanceof IAdaptable) {
			return (View) ((IAdaptable) element).getAdapter(View.class);
		}
		return null;
	}

	/**
	 * @generated
	 */
	private IElementType getElementType(View view) {
		// For intermediate views climb up the containment hierarchy to find the one associated with an element type.
		while (view != null) {
			int vid = de.tud.cs.st.vespucci.vespucci_model.diagram.part.VespucciVisualIDRegistry.getVisualID(view);
			IElementType etype = de.tud.cs.st.vespucci.vespucci_model.diagram.providers.VespucciElementTypes.getElementType(vid);
			if (etype != null) {
				return etype;
			}
			view = view.eContainer() instanceof View ? (View) view.eContainer() : null;
		}
		return null;
	}

}