debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/DebuggerConsoleActionDelegate.java

/*
 *(c) Copyright QNX Software Systems Ltd. 2002.
 * All Rights Reserved.
 * 
 */
package org.eclipse.cdt.debug.internal.ui.actions;

import org.eclipse.cdt.debug.core.model.IDebuggerProcessSupport;
import org.eclipse.cdt.debug.internal.core.model.CDebugElement;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.ui.AbstractDebugView;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.ui.IViewPart;

/**
 * Enter type comment.
 * 
 * @since: Oct 23, 2002
 */
public class DebuggerConsoleActionDelegate extends AbstractListenerActionDelegate
{
	private IViewPart fViewPart = null;

	/* (non-Javadoc)
	 * @see org.eclipse.cdt.debug.internal.ui.actions.AbstractDebugActionDelegate#doAction(Object)
	 */
	protected void doAction( Object element ) throws DebugException
	{
		if ( element != null && element instanceof CDebugElement && getAction() != null && getAction().isEnabled() )
		{
			IDebuggerProcessSupport dps = (IDebuggerProcessSupport)((CDebugElement)element).getDebugTarget().getAdapter( IDebuggerProcessSupport.class );
			if ( dps != null && dps.supportsDebuggerProcess() )
			{
				dps.setDebuggerProcessDefault( getAction().isChecked() );
				((CDebugElement)element).fireChangeEvent( DebugEvent.CLIENT_REQUEST );
				if ( fViewPart != null && fViewPart instanceof AbstractDebugView )
				{
					final AbstractDebugView view = (AbstractDebugView)fViewPart;
					fViewPart.getViewSite().getShell().getDisplay().asyncExec( 
									new Runnable()
										{
											public void run()
											{
												Viewer viewer = view.getViewer();
												viewer.setSelection( viewer.getSelection() );
											}
										} );
				}
			} 
		}
	}

	/* (non-Javadoc)
	 * @see org.eclipse.cdt.debug.internal.ui.actions.AbstractDebugActionDelegate#isEnabledFor(Object)
	 */
	protected boolean isEnabledFor( Object element )
	{
		if ( element != null && element instanceof CDebugElement )
		{
			IDebuggerProcessSupport dps = (IDebuggerProcessSupport)((CDebugElement)element).getDebugTarget().getAdapter( IDebuggerProcessSupport.class );
			return ( dps != null && dps.supportsDebuggerProcess() ); 
		}
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.cdt.debug.internal.ui.actions.AbstractDebugActionDelegate#enableForMultiSelection()
	 */
	protected boolean enableForMultiSelection()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection)
	 */
	public void selectionChanged( IAction action, ISelection selection )
	{
		super.selectionChanged(action, selection);
		boolean checked = false;
		if ( selection != null && selection instanceof IStructuredSelection )
		{
			Object element = ((IStructuredSelection)selection).getFirstElement();
			if ( element != null && element instanceof CDebugElement )
			{
				IDebuggerProcessSupport dps = (IDebuggerProcessSupport)((CDebugElement)element).getDebugTarget().getAdapter( IDebuggerProcessSupport.class );
				checked = ( dps != null && dps.supportsDebuggerProcess() ) ? dps.isDebuggerProcessDefault() : false; 
			}
		}
		action.setChecked( checked );
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IViewActionDelegate#init(IViewPart)
	 */
	public void init( IViewPart view )
	{
		super.init( view );
		fViewPart = view;
	}
}