| /* |
| *(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.ICastToType; |
| import org.eclipse.cdt.debug.ui.CDebugUIPlugin; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IObjectActionDelegate; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.actions.ActionDelegate; |
| |
| /** |
| * Enter type comment. |
| * |
| * @since Mar 9, 2003 |
| */ |
| public class RestoreDefaultTypeActionDelegate extends ActionDelegate |
| implements IObjectActionDelegate |
| { |
| private ICastToType fCastToType = null; |
| private IStatus fStatus = null; |
| |
| /** |
| * |
| */ |
| public RestoreDefaultTypeActionDelegate() |
| { |
| super(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart) |
| */ |
| public void setActivePart( IAction action, IWorkbenchPart targetPart ) |
| { |
| } |
| |
| protected ICastToType getCastToType() |
| { |
| return fCastToType; |
| } |
| |
| protected void setCastToType( ICastToType castToType ) |
| { |
| fCastToType = castToType; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| public void run( IAction action ) |
| { |
| if ( getCastToType() == null ) |
| return; |
| BusyIndicator.showWhile( Display.getCurrent(), |
| new Runnable() |
| { |
| public void run() |
| { |
| try |
| { |
| doAction( getCastToType() ); |
| setStatus( null ); |
| } |
| catch( DebugException e ) |
| { |
| setStatus( e.getStatus() ); |
| } |
| } |
| } ); |
| if ( getStatus() != null && !getStatus().isOK() ) |
| { |
| IWorkbenchWindow window= CDebugUIPlugin.getActiveWorkbenchWindow(); |
| if ( window != null ) |
| { |
| CDebugUIPlugin.errorDialog( "Unable to cast to type.", getStatus() ); |
| } |
| else |
| { |
| CDebugUIPlugin.log( getStatus() ); |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection) |
| */ |
| public void selectionChanged( IAction action, ISelection selection ) |
| { |
| if ( selection instanceof IStructuredSelection ) |
| { |
| Object element = ((IStructuredSelection)selection).getFirstElement(); |
| if ( element instanceof ICastToType ) |
| { |
| boolean enabled = ((ICastToType)element).isCasted(); |
| action.setEnabled( enabled ); |
| if ( enabled ) |
| { |
| setCastToType( (ICastToType)element ); |
| return; |
| } |
| } |
| } |
| action.setEnabled( false ); |
| setCastToType( null ); |
| } |
| |
| public IStatus getStatus() |
| { |
| return fStatus; |
| } |
| |
| public void setStatus( IStatus status ) |
| { |
| fStatus = status; |
| } |
| |
| protected void doAction( ICastToType castToType ) throws DebugException |
| { |
| castToType.restoreDefault(); |
| } |
| } |