bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/bookmarkexplorer/RemoveBookmarkAction.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.ui.views.bookmarkexplorer;

import java.util.Iterator;

import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.help.WorkbenchHelp;

/**
 * Action to remove the selected bookmarks.
 */
class RemoveBookmarkAction extends BookmarkAction {

	public RemoveBookmarkAction(BookmarkNavigator view) {
		super(view, BookmarkMessages.getString("RemoveBookmark.text")); //$NON-NLS-1$
		setToolTipText(BookmarkMessages.getString("RemoveBookmark.toolTip")); //$NON-NLS-1$
		WorkbenchHelp.setHelp(this, IBookmarkHelpContextIds.REMOVE_BOOKMARK_ACTION);
		setEnabled(false);
	}
	
	/**
	 * Delete the marker selection.
	 */
	public void run() {
		final IStructuredSelection sel = getStructuredSelection();
		if (sel.isEmpty())
			return;
		try {
			getView().getWorkspace().run(new IWorkspaceRunnable() {
				public void run(IProgressMonitor monitor) throws CoreException {
					for (Iterator iter = sel.iterator(); iter.hasNext();) {
						Object o = iter.next();
						if (o instanceof IMarker) {
							IMarker marker = (IMarker) o;
							marker.delete();
						}
					}
				}
			}, null);
		} catch (CoreException e) {
			ErrorDialog.openError(getView().getShell(), BookmarkMessages.getString("RemoveBookmark.errorTitle"), null, e.getStatus()); //$NON-NLS-1$
		}
	}
	
	public void selectionChanged(IStructuredSelection sel) {
		setEnabled(!sel.isEmpty());
	}
}