ToggleAnimationAction.java example

Explorer
Henshin-Editor-master
/*******************************************************************************
 * Copyright (c) 2010-2015 Henshin developers. 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:
 *     TU Berlin, University of Luxembourg, SES S.A.
 *******************************************************************************/
/**
 *
 */
package de.tub.tfs.muvitor.animation;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.DecorationOverlayIcon;
import org.eclipse.jface.viewers.IDecoration;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Event;
import org.eclipse.ui.plugin.AbstractUIPlugin;

/**
 * Action to toggle animation performed by {@link MultipleAnimation}. Switches
 * the flag {@link AnimatingCommand#isPerformAnimation()}.
 * 
 * @author Tony Modica
 */
public class ToggleAnimationAction extends Action {
	
	private static final String DISABLED_ICON_OVERLAY = "org.eclipse.jdt.ui.icons.full.ovr16/maxlevel_co.gif";
	
	private static final ImageDescriptor disabledImage;
	
	private static final String ENABLED_ICON_OVERLAY = "org.eclipse.jdt.ui.icons.full.ovr16/run_co.gif";
	
	private static final ImageDescriptor enabledImage;
	
	private static final String ICON = "org.eclipse.jdt.ui.icons.full.elcl16/refresh_nav.gif";
	
	private static final String ICON_PATH = "$nl$/icons/";
	
	public static final String ID = "muvitorkit.animation.ToggleAnimationAction";
	
	static {
		final Image image = AbstractUIPlugin.imageDescriptorFromPlugin("MuvitorKit",
				ICON_PATH + ICON).createImage();
		final ImageDescriptor enabled_overlay = AbstractUIPlugin.imageDescriptorFromPlugin(
				"MuvitorKit", ICON_PATH + ENABLED_ICON_OVERLAY);
		final ImageDescriptor disabled_overlay = AbstractUIPlugin.imageDescriptorFromPlugin(
				"MuvitorKit", ICON_PATH + DISABLED_ICON_OVERLAY);
		enabledImage = new DecorationOverlayIcon(image, enabled_overlay, IDecoration.BOTTOM_RIGHT);
		disabledImage = new DecorationOverlayIcon(image, disabled_overlay, IDecoration.BOTTOM_RIGHT);
	}
	
	public ToggleAnimationAction() {
		super("Toggle Animation", AS_PUSH_BUTTON);
		setEnabled(true);
		setId(ID);
		AnimatingCommand.setPerformAnimation(false);
		switchState();
	}
	
	@Override
	public boolean isEnabled() {
		return true;
	}
	
	@Override
	public void run() {
		switchState();
	}
	
	@Override
	public void runWithEvent(final Event event) {
		run();
	}
	
	private void switchState() {
		AnimatingCommand.setPerformAnimation(!AnimatingCommand.isPerformAnimation());
		if (AnimatingCommand.isPerformAnimation()) {
			setImageDescriptor(enabledImage);
			setToolTipText("Toggle Animation, currently enabled");
		} else {
			setImageDescriptor(disabledImage);
			setToolTipText("Toggle Animation, currently disabled");
		}
	}
	
}