| /******************************************************************************* |
| * Copyright (c) 2006, 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 |
| * Lars Vogel <Lars.Vogel@vogella.com> - Bug 472654 |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.internal.quickaccess.providers; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.eclipse.jface.preference.IPreferenceNode; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.activities.WorkbenchActivityHelper; |
| import org.eclipse.ui.internal.IWorkbenchGraphicConstants; |
| import org.eclipse.ui.internal.WorkbenchImages; |
| import org.eclipse.ui.internal.quickaccess.QuickAccessMessages; |
| import org.eclipse.ui.internal.quickaccess.QuickAccessProvider; |
| import org.eclipse.ui.quickaccess.QuickAccessElement; |
| |
| /** |
| * @since 3.3 |
| * |
| */ |
| public class PreferenceProvider extends QuickAccessProvider { |
| |
| private QuickAccessElement[] cachedElements; |
| private Map<String, PreferenceElement> idToElement = new HashMap<>(); |
| |
| @Override |
| public String getId() { |
| return "org.eclipse.ui.preferences"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public QuickAccessElement getElementForId(String id) { |
| getElements(); |
| return idToElement.get(id); |
| } |
| |
| @Override |
| public QuickAccessElement[] getElements() { |
| if (cachedElements == null) { |
| List<PreferenceElement> list = new ArrayList<>(); |
| collectElements("", PlatformUI.getWorkbench().getPreferenceManager().getRootSubNodes(), list); //$NON-NLS-1$ |
| cachedElements = new PreferenceElement[list.size()]; |
| for (int i = 0; i < list.size(); i++) { |
| PreferenceElement preferenceElement = list.get(i); |
| cachedElements[i] = preferenceElement; |
| idToElement.put(preferenceElement.getId(), preferenceElement); |
| } |
| } |
| return cachedElements; |
| } |
| |
| private void collectElements(String prefix, IPreferenceNode[] subNodes, List<PreferenceElement> result) { |
| for (IPreferenceNode subNode : subNodes) { |
| if (!WorkbenchActivityHelper.filterItem(subNode)) { |
| PreferenceElement preferenceElement = new PreferenceElement(subNode, prefix); |
| result.add(preferenceElement); |
| String nestedPrefix = prefix.length() == 0 ? subNode.getLabelText() : (prefix + "/" + subNode.getLabelText()); //$NON-NLS-1$ |
| collectElements(nestedPrefix, subNode.getSubNodes(), result); |
| } |
| } |
| } |
| |
| @Override |
| public ImageDescriptor getImageDescriptor() { |
| return WorkbenchImages.getImageDescriptor(IWorkbenchGraphicConstants.IMG_OBJ_NODE); |
| } |
| |
| @Override |
| public String getName() { |
| return QuickAccessMessages.QuickAccess_Preferences; |
| } |
| |
| @Override |
| protected void doReset() { |
| cachedElements = null; |
| idToElement.clear(); |
| } |
| } |