| /******************************************************************************* |
| * Copyright (c) 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 |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal.navigator.filters; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.ui.internal.navigator.NavigatorFilterService; |
| import org.eclipse.ui.navigator.CommonViewer; |
| import org.eclipse.ui.navigator.ICommonFilterDescriptor; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class ToggleFilterAction extends Action implements IAction { |
| |
| private ICommonFilterDescriptor descriptor; |
| |
| private NavigatorFilterService filterService; |
| |
| private CommonViewer commonViewer; |
| |
| protected ToggleFilterAction(CommonViewer aCommonViewer, |
| NavigatorFilterService aFilterService, |
| ICommonFilterDescriptor aFilterDescriptor) { |
| Assert.isNotNull(aCommonViewer); |
| Assert.isNotNull(aFilterService); |
| Assert.isNotNull(aFilterDescriptor); |
| |
| commonViewer = aCommonViewer; |
| filterService = aFilterService; |
| descriptor = aFilterDescriptor; |
| |
| setChecked(filterService.isActive(descriptor.getId())); |
| setText(descriptor.getName()); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.action.Action#run() |
| */ |
| public void run() { |
| |
| boolean toMakeActive = !isChecked(); |
| |
| filterService.setActive(descriptor.getId(), toMakeActive); |
| filterService.persistFilterActivationState(); |
| |
| ViewerFilter viewerFilter = filterService.getViewerFilter(descriptor); |
| if (toMakeActive) { |
| commonViewer.addFilter(viewerFilter); |
| } else { |
| commonViewer.removeFilter(viewerFilter); |
| } |
| |
| // the action providers may no longer be enabled, so we |
| // reset the selection. |
| commonViewer.setSelection(StructuredSelection.EMPTY); |
| |
| setChecked(toMakeActive); |
| |
| } |
| } |