| /******************************************************************************* |
| * Copyright (c) 2005 The Regents of the University of California. |
| * This material was produced under U.S. Government contract W-7405-ENG-36 |
| * for Los Alamos National Laboratory, which is operated by the University |
| * of California for the U.S. Department of Energy. The U.S. Government has |
| * rights to use, reproduce, and distribute this software. NEITHER THE |
| * GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR |
| * ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified |
| * to produce derivative works, such modified software should be clearly marked, |
| * so as not to confuse it with the version available from LANL. |
| * |
| * Additionally, 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 |
| * |
| * LA-CC 04-115 |
| *******************************************************************************/ |
| package org.eclipse.ptp.debug.internal.ui.actions; |
| |
| import org.eclipse.core.runtime.Preferences; |
| import org.eclipse.debug.ui.IDebugView; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.ptp.debug.core.PTPDebugCorePlugin; |
| import org.eclipse.ptp.debug.ui.PTPDebugUIPlugin; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IViewActionDelegate; |
| import org.eclipse.ui.IViewPart; |
| |
| /** |
| * @author Clement chu |
| * |
| */ |
| public abstract class ViewFilterAction extends ViewerFilter implements IViewActionDelegate, IActionDelegate2 { |
| private IViewPart view = null; |
| private IAction action = null; |
| |
| /** Constructor |
| * |
| */ |
| public ViewFilterAction() { |
| super(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#dispose() |
| */ |
| public void dispose() {} |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) |
| */ |
| public void init(IAction action) { |
| this.action = action; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart) |
| */ |
| public void init(IViewPart view) { |
| this.view = view; |
| action.setChecked(getPreferenceValue(view)); |
| run(action); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| public void run(IAction action) { |
| StructuredViewer viewer = getStructuredViewer(); |
| ViewerFilter[] filters = viewer.getFilters(); |
| ViewerFilter filter = null; |
| for (int i = 0; i < filters.length; i++) { |
| if (filters[i] == this) { |
| filter = filters[i]; |
| break; |
| } |
| } |
| if (filter == null) { |
| viewer.addFilter(this); |
| } |
| viewer.refresh(); |
| Preferences store = getPreferences(); |
| String key = getView().getSite().getId() + "." + getPreferenceKey(); //$NON-NLS-1$ |
| store.setValue(key, action.isChecked()); |
| PTPDebugUIPlugin.getDefault().savePluginPreferences(); |
| } |
| |
| /* (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#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection) |
| */ |
| public void selectionChanged(IAction action, ISelection selection) {} |
| |
| /** |
| * Get preference key |
| * @return |
| */ |
| protected abstract String getPreferenceKey(); |
| |
| /** |
| * Get preference store |
| * @return |
| */ |
| protected Preferences getPreferences() { |
| return PTPDebugCorePlugin.getDefault().getPluginPreferences(); |
| } |
| |
| /** |
| * Get preference value |
| * @param part |
| * @return |
| */ |
| protected boolean getPreferenceValue(IViewPart part) { |
| String baseKey = getPreferenceKey(); |
| String viewKey = part.getSite().getId(); |
| String compositeKey = viewKey + "." + baseKey; //$NON-NLS-1$ |
| Preferences store = getPreferences(); |
| boolean value = false; |
| if (store.contains(compositeKey)) { |
| value = store.getBoolean(compositeKey); |
| } else { |
| value = store.getBoolean(baseKey); |
| } |
| return value; |
| } |
| |
| /** |
| * Get structured viewer |
| * @return |
| */ |
| 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; |
| } |
| |
| /** |
| * Check if action is checked |
| * @return true is action is checked |
| */ |
| protected boolean getValue() { |
| return action.isChecked(); |
| } |
| |
| /** |
| * Get view |
| * @return |
| */ |
| protected IViewPart getView() { |
| return view; |
| } |
| } |