/*******************************************************************************
 * 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.debug.internal.ui.actions;

 
import org.eclipse.core.resources.IMarkerDelta;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IBreakpointManager;
import org.eclipse.debug.core.IBreakpointsListener;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchWindow;

/**
 * Removes all breakpoints from the source (markers) and remove all
 * breakpoints from processes
 */
public class RemoveAllBreakpointsAction extends AbstractRemoveAllActionDelegate implements IBreakpointsListener {

	protected void doAction() {
		IBreakpointManager breakpointManager= DebugPlugin.getDefault().getBreakpointManager();
		IBreakpoint[] breakpoints= breakpointManager.getBreakpoints();
		try {
			breakpointManager.removeBreakpoints(breakpoints, true);
		} catch (CoreException e) {
			IWorkbenchWindow window= DebugUIPlugin.getActiveWorkbenchWindow();
			if (window != null) {
				DebugUIPlugin.errorDialog(window.getShell(), ActionMessages.getString("RemoveAllBreakpointsAction.Removing_all_breakpoints_4"),ActionMessages.getString("RemoveAllBreakpointsAction.Exceptions_occurred_removing_breakpoints._5"), e); //$NON-NLS-1$ //$NON-NLS-2$
			}
		}
	}
	
	protected void update() {
		getAction().setEnabled(
			DebugPlugin.getDefault().getBreakpointManager().hasBreakpoints());
	}	
	
	/**
	 * @see IBreakpointsListener#breakpointsAdded(IBreakpoint[])
	 */
	public void breakpointsAdded(IBreakpoint[] breakpoints) {
		if (getAction() != null && !getAction().isEnabled()){
			update();
		}
	}

	/**
	 * @see IBreakpointsListener#breakpointsChanged(IBreakpoint[], IMarkerDelta[])
	 */
	public void breakpointsChanged(IBreakpoint[] breakpoints, IMarkerDelta[] deltas) {
	}

	/**
	 * @see IBreakpointsListener#breakpointsRemoved(IBreakpoint[], IMarkerDelta[])breakpointRemoved(IBreakpoint, IMarkerDelta)
	 */
	public void breakpointsRemoved(IBreakpoint[] breakpoints, IMarkerDelta[] deltas) {
		if (getAction() != null) {
			update();
		}
	}
	
	/**
	 * @see IViewActionDelegate#init(IViewPart)
	 */
	public void init(IViewPart view) {
		super.init(view);
		DebugPlugin.getDefault().getBreakpointManager().addBreakpointListener(this);
	}
	
	public void dispose() {
		DebugPlugin.getDefault().getBreakpointManager().removeBreakpointListener(this);	
		super.dispose();
	}
}