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/*******************************************************************************
 * Copyright (c) 2003, 2008 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.progress;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.internal.progress.ProgressMessages;
import org.eclipse.ui.model.IWorkbenchAdapter;

/**
 * The PendingUpdateAdapter is a convenience object that can be used
 * by a BaseWorkbenchContentProvider that wants to show a pending update.
 *
 * @since 3.2
 */
public class PendingUpdateAdapter implements IWorkbenchAdapter, IAdaptable {

    private boolean removed = false;

    /**
     * Return whether or not this has been removed from the tree.
     * @return boolean
     */
    protected boolean isRemoved() {
        return removed;
    }

    /**
     * Set whether or not this has been removed from the tree.
     * @param removedValue boolean
     */
    protected void setRemoved(boolean removedValue) {
        this.removed = removedValue;
    }

    /**
     * Create a new instance of the receiver.
     */
    public PendingUpdateAdapter() {
        //No initial behavior
    }

    @Override
	public Object getAdapter(Class adapter) {
        if (adapter == IWorkbenchAdapter.class) {
			return this;
		}
        return null;
    }

    @Override
	public Object[] getChildren(Object o) {
        return new Object[0];
    }

    @Override
	public ImageDescriptor getImageDescriptor(Object object) {
        return null;
    }

    @Override
	public String getLabel(Object o) {
        return ProgressMessages.PendingUpdateAdapter_PendingLabel;
    }

    @Override
	public Object getParent(Object o) {
        return null;
    }

    /**
	 * @since 3.4
	 */
    @Override
	public String toString() {
    	return getLabel(null);
    }
}