| /******************************************************************************* |
| * Copyright (c) 2007, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.ui.heapwalking; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences; |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener; |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent; |
| import org.eclipse.core.runtime.preferences.InstanceScope; |
| import org.eclipse.debug.ui.IDebugView; |
| import org.eclipse.jdt.debug.core.IJavaStackFrame; |
| import org.eclipse.jdt.internal.debug.core.HeapWalkingManager; |
| import org.eclipse.jdt.internal.debug.core.JDIDebugPlugin; |
| import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IViewActionDelegate; |
| import org.eclipse.ui.IViewPart; |
| |
| /** |
| * Action delegate that turns on/off references being displayed as variables in the view. |
| * |
| * @since 3.3 |
| */ |
| public class AllReferencesInViewActionDelegate implements IPreferenceChangeListener, IActionDelegate2, IViewActionDelegate { |
| |
| private IAction fAction; |
| private IDebugView fView; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| @Override |
| public void run(IAction action) { |
| HeapWalkingManager.getDefault().setShowReferenceInVarView(action.isChecked()); |
| // If the current target doesn't support instance retrieval, warn the user that turning the option on will not do anything. |
| if (action.isChecked() && fView.getViewer() != null){ |
| if (fView.getViewer().getInput() instanceof IJavaStackFrame){ |
| if (!HeapWalkingManager.supportsHeapWalking(fView.getViewer().getInput())){ |
| JDIDebugUIPlugin.statusDialog(Messages.AllReferencesInViewActionDelegate_0,new Status(IStatus.WARNING,JDIDebugUIPlugin.getUniqueIdentifier(),Messages.AllReferencesInViewActionDelegate_1)); |
| } |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) |
| */ |
| @Override |
| public void init(IAction action) { |
| fAction = action; |
| action.setChecked(HeapWalkingManager.getDefault().isShowReferenceInVarView()); |
| IEclipsePreferences prefs = InstanceScope.INSTANCE.getNode(JDIDebugPlugin.getUniqueIdentifier()); |
| if(prefs != null) { |
| prefs.addPreferenceChangeListener(this); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) |
| */ |
| @Override |
| public void init(IViewPart view) { |
| if (view instanceof IDebugView){ |
| fView = (IDebugView)view; |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection) |
| */ |
| @Override |
| public void selectionChanged(IAction action, ISelection selection) { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#dispose() |
| */ |
| @Override |
| public void dispose() { |
| IEclipsePreferences prefs = InstanceScope.INSTANCE.getNode(JDIDebugPlugin.getUniqueIdentifier()); |
| if(prefs != null) { |
| prefs.removePreferenceChangeListener(this); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event) |
| */ |
| @Override |
| public void runWithEvent(IAction action, Event event) { |
| run(action); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener#preferenceChange(org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent) |
| */ |
| @Override |
| public void preferenceChange(PreferenceChangeEvent event) { |
| if (JDIDebugPlugin.PREF_SHOW_REFERENCES_IN_VAR_VIEW.equals(event.getKey()) || JDIDebugPlugin.PREF_ALL_REFERENCES_MAX_COUNT.equals(event.getKey())){ |
| if (fAction != null){ |
| fAction.setChecked(HeapWalkingManager.getDefault().isShowReferenceInVarView()); |
| Viewer viewer = fView.getViewer(); |
| if(viewer != null) { |
| viewer.refresh(); |
| } |
| } |
| } |
| } |
| } |