/*****************************************************************************
 * Copyright (c) 2013, 2017 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:
 *   CEA LIST - Initial API and implementation
 *****************************************************************************/
package org.eclipse.papyrus.cdo.internal.ui.decorators;

import org.eclipse.emf.cdo.dawn.gmf.appearance.DawnAppearancer;
import org.eclipse.emf.cdo.dawn.spi.DawnState;
import org.eclipse.emf.cdo.dawn.ui.stylizer.DawnDefaultElementStylizer;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.cdo.internal.ui.Activator;
import org.eclipse.papyrus.cdo.internal.ui.SharedImages;
import org.eclipse.swt.graphics.Image;

/**
 * This is the PapyrusNodeEditPartStylizer type. Enjoy.
 */
public class PapyrusElementStylizer
		extends DawnDefaultElementStylizer {

	public PapyrusElementStylizer() {
		super();
	}

	@Override
	public Image getImage(Object element, DawnState state) {
		Image result;

		switch (state) {
		case LOCKED_LOCALLY:
			result = SharedImages
					.getImage(Activator.ICON_SELF_LOCKED_OVERLAY16);
			break;
		case LOCKED_REMOTELY:
			result = SharedImages
					.getImage(Activator.ICON_OTHER_LOCKED_OVERLAY16);
			break;
		case CONFLICT:
			result = SharedImages
					.getImage(Activator.ICON_CONFLICTED_OVERLAY16);
			break;
		default:
			result = super.getImage(element, state);
			break;
		}

		return result;
	}

	@Override
	public void setDefault(Object element) {
		if (element instanceof EObject) {
			EObject eObject = (EObject) element;
			setState(eObject, DawnState.CLEAN);
		}
	}

	@Override
	public void setConflicted(Object element, final int type) {
		if (element instanceof EObject) {
			EObject eObject = (EObject) element;
			setState(eObject, DawnState.CONFLICT);
		}
	}

	@Override
	public void setLocked(Object element, int type) {
		if (element instanceof EObject) {
			EObject eObject = (EObject) element;

			DawnState state;
			switch (type) {
			case DawnAppearancer.TYPE_LOCKED_GLOBALLY:
				state = DawnState.LOCKED_REMOTELY;
				break;
			case DawnAppearancer.TYPE_LOCKED_LOCALLY:
				state = DawnState.LOCKED_LOCALLY;
				break;
			default:
				state = DawnState.LOCKED_REMOTELY;
				break;
			}

			setState(eObject, state);
		}
	}

	protected void setState(EObject object, DawnState state) {
		CDOStateAdapter.setState(object, state);
		CDOStateLabelDecorator.fireLabelUpdates();
	}
}