package org.eclipse.debug.internal.ui.actions;

/**********************************************************************
Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
This file is 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
**********************************************************************/
 
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();
	}
}