/*******************************************************************************
 * Copyright (c) 2004, 2008 QNX Software Systems 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:
 * QNX Software Systems - Initial API and implementation
 * Anton Leherbauer (Wind River Systems) - bug 183397
 *******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.actions;

import org.eclipse.cdt.debug.core.model.ICBreakpoint;
import org.eclipse.cdt.debug.internal.ui.CBreakpointContext;
import org.eclipse.cdt.debug.internal.ui.ICDebugHelpContextIds;
import org.eclipse.cdt.debug.internal.ui.IInternalCDebugUIConstants;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.jface.text.source.IVerticalRulerInfo;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.dialogs.PropertyDialogAction;

/**
 * Opens a custom properties dialog to configure the attibutes of a C/C++ breakpoint 
 * from the ruler popup menu.
 */
public class CBreakpointPropertiesRulerAction extends AbstractBreakpointRulerAction {

	private Object fContext;

	/**
	 * Creates the action to modify the breakpoint properties.
	 */
	public CBreakpointPropertiesRulerAction( IWorkbenchPart part, IVerticalRulerInfo info ) {
		super( part, info );
		setText( ActionMessages.getString( "CBreakpointPropertiesRulerAction.Breakpoint_Properties" ) ); //$NON-NLS-1$
		part.getSite().getWorkbenchWindow().getWorkbench().getHelpSystem().setHelp( this, ICDebugHelpContextIds.BREAKPOINT_PROPERTIES_ACTION );
		setId( IInternalCDebugUIConstants.ACTION_BREAKPOINT_PROPERTIES );
	}

	/* (non-Javadoc)
	 * @see Action#run()
	 */
	public void run() {
		if ( fContext != null ) {
			PropertyDialogAction action = new PropertyDialogAction( getTargetPart().getSite(), new ISelectionProvider() {

				public void addSelectionChangedListener( ISelectionChangedListener listener ) {
				}

				public ISelection getSelection() {
					return new StructuredSelection( fContext );
				}

				public void removeSelectionChangedListener( ISelectionChangedListener listener ) {
				}

				public void setSelection( ISelection selection ) {
				}
			} );
			action.run();
			action.dispose();
		}
	}

	/* (non-Javadoc)
	 * @see IUpdate#update()
	 */
	public void update() {
	    IBreakpoint breakpoint = getBreakpoint();
	    if (breakpoint instanceof ICBreakpoint) {
	        fContext = new CBreakpointContext((ICBreakpoint)breakpoint, getDebugContext());
	    } else {
	        fContext = breakpoint;
	    }
		setEnabled( fContext != null );
	}
	
	private ISelection getDebugContext() {
	    return DebugUITools.getDebugContextManager().getContextService(getTargetPart().getSite().getWorkbenchWindow()).getActiveContext();
	}
}