| /******************************************************************************* |
| * Copyright (c) 2000, 2007 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 |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.views.variables; |
| |
| |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.ui.IDebugView; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| 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; |
| |
| /** |
| * |
| */ |
| public abstract class VariableViewToggleAction implements IViewActionDelegate, IActionDelegate2 { |
| |
| private IViewPart fView; |
| private IAction fAction; |
| |
| public VariableViewToggleAction() { |
| super(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) |
| */ |
| public void init(IViewPart view) { |
| fView = view; |
| boolean checked = getPreferenceValue(view); |
| fAction.setChecked(checked); |
| run(fAction); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) |
| */ |
| public void init(IAction action) { |
| fAction = action; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#dispose() |
| */ |
| public void dispose() { |
| } |
| |
| /* (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.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| public void run(IAction action) { |
| IPreferenceStore store = getPreferenceStore(); |
| String key = getView().getSite().getId() + "." + getPreferenceKey(); //$NON-NLS-1$ |
| store.setValue(key, action.isChecked()); |
| } |
| |
| /* (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) { |
| } |
| |
| protected IPreferenceStore getPreferenceStore() { |
| return DebugUIPlugin.getDefault().getPreferenceStore(); |
| } |
| |
| /** |
| * Returns the value of this filters preference (on/off) for the given |
| * view. |
| * |
| * @param part |
| * @return boolean |
| */ |
| protected boolean getPreferenceValue(IViewPart part) { |
| String baseKey = getPreferenceKey(); |
| String viewKey = part.getSite().getId(); |
| String compositeKey = viewKey + "." + baseKey; //$NON-NLS-1$ |
| IPreferenceStore store = getPreferenceStore(); |
| boolean value = false; |
| if (store.contains(compositeKey)) { |
| value = store.getBoolean(compositeKey); |
| } else { |
| value = store.getBoolean(baseKey); |
| } |
| return value; |
| } |
| |
| /** |
| * Returns the key for this action's preference |
| * |
| * @return String |
| */ |
| protected abstract String getPreferenceKey(); |
| |
| protected IViewPart getView() { |
| return fView; |
| } |
| |
| protected StructuredViewer getStructuredViewer() { |
| IDebugView view = (IDebugView)getView().getAdapter(IDebugView.class); |
| if (view != null) { |
| Viewer viewer = view.getViewer(); |
| if (viewer instanceof StructuredViewer) { |
| return (StructuredViewer)viewer; |
| } |
| } |
| return null; |
| } |
| } |