eu.geclipse.ui.internal.actions.ViewModeToggleAction.java Source code

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Here is the source code for eu.geclipse.ui.internal.actions.ViewModeToggleAction.java

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/*****************************************************************************
 * Copyright (c) 2006, 2007 g-Eclipse Consortium 
 * 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
 *
 * Initial development of the original code was made for the
 * g-Eclipse project founded by European Union
 * project number: FP6-IST-034327  http://www.geclipse.eu/
 *
 * Contributors:
 *    Mathias Stuempert - initial API and implementation
 *****************************************************************************/

package eu.geclipse.ui.internal.actions;

import java.net.URL;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.resource.ImageDescriptor;

import eu.geclipse.ui.internal.Activator;
import eu.geclipse.ui.providers.ConfigurableContentProvider;
import eu.geclipse.ui.views.ElementManagerViewPart;

/**
 * Action for settings the view mode of an {@link ElementManagerViewPart}.
 */
public class ViewModeToggleAction extends Action {

    private ConfigurableContentProvider provider;

    /**
     * Construct a new <code>ViewModeToggleAction</code> for the specified
     * {@link ConfigurableContentProvider}.
     * 
     * @param provider The {@link ConfigurableContentProvider} this action
     * is dediacted to.
     */
    public ViewModeToggleAction(final ConfigurableContentProvider provider) {

        super(Messages.getString("ViewModeToggleAction.title"), IAction.AS_CHECK_BOX); //$NON-NLS-1$

        this.provider = provider;

        URL hierarchicalUrl = Activator.getDefault().getBundle().getEntry(ViewModeAction.VIEW_HIERARCHICAL_IMAGE);
        ImageDescriptor hierarchicalDescriptor = ImageDescriptor.createFromURL(hierarchicalUrl);
        setImageDescriptor(hierarchicalDescriptor);

    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.action.Action#run()
     */
    @Override
    public void run() {
        int mode = this.isChecked() ? ConfigurableContentProvider.MODE_HIERARCHICAL
                : ConfigurableContentProvider.MODE_FLAT;
        this.provider.setMode(mode);
    }

}