| /******************************************************************************* |
| * Copyright (c) 2005, 2010 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| * WindRiver - Bug 192028 [Memory View] Memory view does not |
| * display memory blocks that do not reference IDebugTarget |
| *******************************************************************************/ |
| |
| package org.eclipse.debug.ui.actions; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.debug.core.model.IMemoryBlockRetrieval; |
| import org.eclipse.debug.internal.ui.DebugPluginImages; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.internal.ui.IInternalDebugUIConstants; |
| import org.eclipse.debug.internal.ui.actions.ActionMessages; |
| import org.eclipse.debug.internal.ui.views.memory.MemoryViewUtil; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.debug.ui.contexts.DebugContextEvent; |
| import org.eclipse.debug.ui.contexts.IDebugContextListener; |
| import org.eclipse.debug.ui.memory.IMemoryRenderingType; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.ActionContributionItem; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.action.IMenuCreator; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.events.MenuAdapter; |
| import org.eclipse.swt.events.MenuEvent; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.MenuItem; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IEditorActionDelegate; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IObjectActionDelegate; |
| import org.eclipse.ui.IViewActionDelegate; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| /** |
| * A cascade menu to add a memory rendering to the memory view. This action delegate can be |
| * contributed to a an editor, view or object via standard workbench extension points. |
| * The action works on the {@link IAddMemoryRenderingsTarget} adapter provided |
| * by the active debug context, creating a context menu to add applicable renderings |
| * to the memory view. |
| * <p> |
| * Clients may reference/contribute this class as an action delegate |
| * in plug-in XML. |
| * </p> |
| * @since 3.2 |
| * @noextend This class is not intended to be subclassed by clients. |
| * @noinstantiate This class is not intended to be instantiated by clients. |
| */ |
| public class AddMemoryRenderingActionDelegate extends Action implements IViewActionDelegate, IEditorActionDelegate, IObjectActionDelegate, IActionDelegate2{ |
| |
| private IAction fAction; |
| private IWorkbenchPart fPart; |
| private ISelection fCurrentSelection; |
| private IAddMemoryRenderingsTarget fActionDelegate; |
| private IMenuCreator fMenuCreator; |
| private IAdaptable fDebugContext; |
| private IWorkbenchWindow fWindow; |
| private DebugContextListener fDebugContextListener = new DebugContextListener(); |
| |
| private class AddMemoryRenderingAction extends Action |
| { |
| private IMemoryRenderingType fRenderingType; // type of rendering to add |
| AddMemoryRenderingAction(IMemoryRenderingType renderingType) |
| { |
| super(renderingType.getLabel()); |
| fRenderingType = renderingType; |
| } |
| |
| public void runWithEvent(Event event) { |
| if (fActionDelegate != null) |
| { |
| try { |
| fActionDelegate.addMemoryRenderings(fPart, fCurrentSelection, new IMemoryRenderingType[]{fRenderingType}); |
| } catch (CoreException e) { |
| DebugUIPlugin.errorDialog(DebugUIPlugin.getShell(), ActionMessages.AddMemoryRenderingActionDelegate_0, ActionMessages.AddMemoryRenderingActionDelegate_1, e); |
| } |
| } |
| } |
| } |
| |
| private class AddMemoryRenderingMenuCreator implements IMenuCreator |
| { |
| |
| public void dispose() { |
| |
| } |
| |
| public Menu getMenu(Control parent) { |
| return null; |
| } |
| |
| public Menu getMenu(Menu parent) { |
| Menu menu = new Menu(parent); |
| menu.addMenuListener(new MenuAdapter() { |
| public void menuShown(MenuEvent e) { |
| Menu m = (Menu)e.widget; |
| MenuItem[] items = m.getItems(); |
| for (int i=0; i < items.length; i++) { |
| items[i].dispose(); |
| } |
| fillMenu(m); |
| } |
| }); |
| return menu; |
| } |
| |
| private void fillMenu(Menu parent) |
| { |
| if (fActionDelegate != null) |
| { |
| IMemoryRenderingType[] types = fActionDelegate.getMemoryRenderingTypes(fPart, fCurrentSelection); |
| |
| for (int i=0; i<types.length; i++) |
| { |
| AddMemoryRenderingAction action = new AddMemoryRenderingAction(types[i]); |
| ActionContributionItem item = new ActionContributionItem(action); |
| item.fill(parent, -1); |
| } |
| } |
| } |
| } |
| |
| private class DebugContextListener implements IDebugContextListener |
| { |
| |
| private void contextActivated(ISelection selection) { |
| setupActionDelegate(selection); |
| |
| if(fAction != null) |
| updateAction(fAction, fCurrentSelection); |
| } |
| |
| public void debugContextChanged(DebugContextEvent event) { |
| contextActivated(event.getContext()); |
| } |
| |
| |
| } |
| |
| private void setupActionDelegate(ISelection context) |
| { |
| IAdaptable debugContext = null; |
| if (context instanceof IStructuredSelection) |
| { |
| if (((IStructuredSelection)context).getFirstElement() instanceof IAdaptable) |
| debugContext = (IAdaptable)((IStructuredSelection)context).getFirstElement(); |
| } |
| |
| if (debugContext == null) |
| fActionDelegate = null; |
| |
| if (debugContext == fDebugContext) |
| return; |
| |
| fDebugContext = debugContext; |
| |
| if (fDebugContext == null) |
| return; |
| |
| IMemoryBlockRetrieval retrieval = MemoryViewUtil.getMemoryBlockRetrieval(fDebugContext); |
| |
| if (retrieval == null) |
| return; |
| |
| IAddMemoryRenderingsTarget target = null; |
| if (fCurrentSelection instanceof IStructuredSelection) |
| { |
| // get target from current selection |
| IStructuredSelection strucSel = (IStructuredSelection)fCurrentSelection; |
| Object obj = strucSel.getFirstElement(); |
| target = getAddMemoryRenderingTarget(obj); |
| } |
| if (target == null) |
| { |
| // get the target from Debug View |
| target = getAddMemoryRenderingTarget(fDebugContext); |
| } |
| if (target == null) |
| { |
| // try to get target from memory block retrieval |
| target = getAddMemoryRenderingTarget(retrieval); |
| } |
| |
| fActionDelegate = target; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) |
| */ |
| public void init(IViewPart view) { |
| bindPart(view); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| public void run(IAction action) { |
| // do nothing |
| } |
| |
| /* (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) { |
| fCurrentSelection = selection; |
| |
| if(action != null) { |
| bindAction(action); |
| updateAction(action, selection); |
| } |
| } |
| |
| /** |
| * @param action - the action to bind with the menu and to update enablement, must not be null |
| */ |
| private void updateAction(IAction action, ISelection selection) |
| { |
| if (fActionDelegate != null) |
| { |
| action.setEnabled(fActionDelegate.canAddMemoryRenderings(fPart, selection)); |
| bindAction(action); |
| } |
| else |
| { |
| action.setEnabled(false); |
| } |
| } |
| |
| /** |
| * @param action - the action to bind with the menu, must not be null |
| */ |
| private void bindAction(IAction action) { |
| if (action != fAction) { |
| if (fMenuCreator == null) |
| fMenuCreator = new AddMemoryRenderingMenuCreator(); |
| action.setMenuCreator(fMenuCreator); |
| fAction= action; |
| } |
| } |
| |
| private IAddMemoryRenderingsTarget getAddMemoryRenderingTarget(Object elmt) { |
| IAddMemoryRenderingsTarget target = null; |
| |
| if (elmt instanceof IAddMemoryRenderingsTarget) |
| { |
| target = (IAddMemoryRenderingsTarget)elmt; |
| } |
| else if (elmt instanceof IAdaptable) |
| { |
| target = (IAddMemoryRenderingsTarget)((IAdaptable)elmt).getAdapter(IAddMemoryRenderingsTarget.class); |
| } |
| return target; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IEditorActionDelegate#setActiveEditor(org.eclipse.jface.action.IAction, org.eclipse.ui.IEditorPart) |
| */ |
| public void setActiveEditor(IAction action, IEditorPart targetEditor) { |
| bindPart(targetEditor); |
| |
| if(action != null) { |
| bindAction(action); |
| updateAction(action, fCurrentSelection); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart) |
| */ |
| public void setActivePart(IAction action, IWorkbenchPart targetPart) { |
| bindPart(targetPart); |
| |
| if(action != null) { |
| bindAction(action); |
| updateAction(action, fCurrentSelection); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) |
| */ |
| public void init(IAction action) { |
| if (action != null) { |
| bindAction(action); |
| |
| action.setText(ActionMessages.AddMemoryRenderingActionDelegate_2); |
| action.setImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_ELCL_MONITOR_EXPRESSION)); |
| action.setHoverImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_LCL_MONITOR_EXPRESSION)); |
| action.setDisabledImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_DLCL_MONITOR_EXPRESSION)); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#dispose() |
| */ |
| public void dispose() { |
| // remove as debug context listener |
| fAction = null; |
| fPart = null; |
| fCurrentSelection = null; |
| fActionDelegate = null; |
| |
| // remove debug context listener |
| bindPart(null); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event) |
| */ |
| public void runWithEvent(IAction action, Event event) { |
| // do nothing |
| } |
| |
| private void bindPart(IWorkbenchPart part) |
| { |
| IWorkbenchWindow window = null; |
| if (part != null) |
| { |
| window = part.getSite().getWorkbenchWindow(); |
| } |
| if (window != fWindow) |
| { |
| |
| if (fWindow != null) |
| { |
| DebugUITools.getDebugContextManager().getContextService(fWindow).removeDebugContextListener(fDebugContextListener); |
| } |
| |
| if (window != null) |
| { |
| DebugUITools.getDebugContextManager().getContextService(window).addDebugContextListener(fDebugContextListener); |
| } |
| fWindow = window; |
| } |
| |
| if (part != fPart) |
| fPart = part; |
| |
| if (fWindow != null) |
| setupActionDelegate(DebugUITools.getDebugContextManager().getContextService(fWindow).getActiveContext()); |
| } |
| |
| } |
| |