| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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 |
| * Mikhail Khodjaiants (QNX) - https://bugs.eclipse.org/bugs/show_bug.cgi?id=83464 |
| *******************************************************************************/ |
| package org.eclipse.debug.ui.actions; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdapterManager; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.debug.core.model.ISuspendResume; |
| 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.ui.DebugUITools; |
| import org.eclipse.debug.ui.contexts.DebugContextEvent; |
| import org.eclipse.debug.ui.contexts.IDebugContextListener; |
| import org.eclipse.debug.ui.contexts.IDebugContextManager; |
| import org.eclipse.debug.ui.contexts.IDebugContextService; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IEditorActionDelegate; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IViewActionDelegate; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchPartSite; |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| /** |
| * A run to line action that can be contributed to a an editor or view. The action |
| * will perform the "run to line" operation for parts that provide |
| * an appropriate <code>IRunToLineTarget</code> adapter. |
| * <p> |
| * Clients may reference/contribute this class as an action delegate |
| * in plug-in XML. This class is not intended to be subclassed. |
| * </p> |
| * <p> |
| * Since 3.1, this action also implements {@link org.eclipse.ui.IViewActionDelegate}. |
| * </p> |
| * @since 3.0 |
| */ |
| public class RunToLineActionDelegate implements IEditorActionDelegate, IActionDelegate2, IViewActionDelegate { |
| |
| private IWorkbenchPart fActivePart = null; |
| private IRunToLineTarget fPartTarget = null; |
| private IAction fAction = null; |
| private DebugContextListener fContextListener = new DebugContextListener(); |
| private ISuspendResume fTargetElement = null; |
| |
| class DebugContextListener implements IDebugContextListener { |
| |
| protected void contextActivated(ISelection selection) { |
| fTargetElement = null; |
| if (selection instanceof IStructuredSelection) { |
| IStructuredSelection ss = (IStructuredSelection) selection; |
| if (ss.size() == 1) { |
| Object object = ss.getFirstElement(); |
| if (object instanceof ISuspendResume) { |
| fTargetElement = (ISuspendResume) object; |
| } |
| } |
| } |
| update(); |
| } |
| |
| public void debugContextChanged(DebugContextEvent event) { |
| contextActivated(event.getContext()); |
| } |
| |
| } |
| |
| /*(non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#dispose() |
| */ |
| public void dispose() { |
| DebugUITools.getDebugContextManager().getContextService(fActivePart.getSite().getWorkbenchWindow()).removeDebugContextListener(fContextListener); |
| fActivePart = null; |
| fPartTarget = null; |
| |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| public void run(IAction action) { |
| if (fPartTarget != null && fTargetElement != null) { |
| try { |
| fPartTarget.runToLine(fActivePart, fActivePart.getSite().getSelectionProvider().getSelection(), fTargetElement); |
| } catch (CoreException e) { |
| DebugUIPlugin.errorDialog(fActivePart.getSite().getWorkbenchWindow().getShell(), ActionMessages.RunToLineAction_0, ActionMessages.RunToLineAction_1, e.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) { |
| this.fAction = action; |
| update(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.texteditor.IUpdate#update() |
| */ |
| public void update() { |
| if (fAction == null) { |
| return; |
| } |
| Runnable r = new Runnable() { |
| public void run() { |
| boolean enabled = false; |
| if (fPartTarget != null && fTargetElement != null) { |
| IWorkbenchPartSite site = fActivePart.getSite(); |
| if (site != null) { |
| ISelectionProvider selectionProvider = site.getSelectionProvider(); |
| if (selectionProvider != null) { |
| ISelection selection = selectionProvider.getSelection(); |
| enabled = fTargetElement.isSuspended() && fPartTarget.canRunToLine(fActivePart, selection, fTargetElement); |
| } |
| } |
| } |
| fAction.setEnabled(enabled); |
| } |
| }; |
| DebugUIPlugin.getStandardDisplay().asyncExec(r); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) |
| */ |
| public void init(IAction action) { |
| this.fAction = action; |
| if (action != null) { |
| action.setText(ActionMessages.RunToLineActionDelegate_4); |
| action.setImageDescriptor(DebugUITools.getImageDescriptor(IInternalDebugUIConstants.IMG_LCL_RUN_TO_LINE)); |
| action.setDisabledImageDescriptor(DebugUITools.getImageDescriptor(IInternalDebugUIConstants.IMG_DLCL_RUN_TO_LINE)); |
| } |
| } |
| /* (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) { |
| run(action); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IEditorActionDelegate#setActiveEditor(org.eclipse.jface.action.IAction, org.eclipse.ui.IEditorPart) |
| */ |
| public void setActiveEditor(IAction action, IEditorPart targetEditor) { |
| init(action); |
| bindTo(targetEditor); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) |
| */ |
| public void init(IViewPart view) { |
| bindTo(view); |
| } |
| |
| /** |
| * Binds this action to operate on the given part's run to line adapter. |
| * |
| * @param part |
| */ |
| private void bindTo(IWorkbenchPart part) { |
| IDebugContextManager manager = DebugUITools.getDebugContextManager(); |
| if (fActivePart != null && !fActivePart.equals(part)) { |
| manager.getContextService(fActivePart.getSite().getWorkbenchWindow()).removeDebugContextListener(fContextListener); |
| } |
| fPartTarget = null; |
| fActivePart = part; |
| if (part != null) { |
| IWorkbenchWindow workbenchWindow = part.getSite().getWorkbenchWindow(); |
| IDebugContextService service = manager.getContextService(workbenchWindow); |
| service.addDebugContextListener(fContextListener); |
| fPartTarget = (IRunToLineTarget) part.getAdapter(IRunToLineTarget.class); |
| if (fPartTarget == null) { |
| IAdapterManager adapterManager = Platform.getAdapterManager(); |
| // TODO: we could restrict loading to cases when the debugging context is on |
| if (adapterManager.hasAdapter(part, IRunToLineTarget.class.getName())) { |
| fPartTarget = (IRunToLineTarget) adapterManager.loadAdapter(part, IRunToLineTarget.class.getName()); |
| } |
| } |
| ISelection activeContext = service.getActiveContext(); |
| fContextListener.contextActivated(activeContext); |
| } |
| update(); |
| } |
| } |