| /******************************************************************************* |
| * Copyright (c) 2008 Bredex GmbH 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: |
| * Jan-Hendrik Diederich, Bredex GmbH - initial API and implementation, bug 201052 |
| * IBM Corporation - bug 201052 |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal.preferences; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.preference.IPreferenceNode; |
| import org.eclipse.jface.preference.PreferenceNode; |
| import org.eclipse.ui.IPluginContribution; |
| import org.eclipse.ui.activities.WorkbenchActivityHelper; |
| |
| /** |
| * @since 3.4 |
| * @author Jan Diederich |
| */ |
| public class WorkbenchPreferenceExpressionNode extends PreferenceNode |
| implements IPluginContribution { |
| |
| |
| /** |
| * @param id The id. |
| * @see PreferenceNode#PreferenceNode(String) |
| */ |
| public WorkbenchPreferenceExpressionNode(String id) { |
| super(id); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.preference.PreferenceNode#findSubNode(java.lang.String) |
| */ |
| public IPreferenceNode findSubNode(String id) { |
| return getNodeExpression(super.findSubNode(id)); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.preference.PreferenceNode#getSubNodes() |
| */ |
| public IPreferenceNode[] getSubNodes() { |
| IPreferenceNode[] prefNodes = super.getSubNodes(); |
| int size = prefNodes.length; |
| List list = new ArrayList(size); |
| for (int i = 0; i < size; i++) { |
| IPreferenceNode prefNode = getNodeExpression(prefNodes[i]); |
| if (prefNode != null) { |
| list.add(prefNode); |
| } |
| } |
| return (IPreferenceNode[])list.toArray(new IPreferenceNode[list.size()]); |
| } |
| |
| /** |
| * Returns the given <code>prefNode</code>, but only if it's no |
| * WorkbenchPreferenceExtensionNode which fails the Expression check. |
| * |
| * @param prefNode |
| * The preference node which will be checked. Can be <code>null |
| * </code>. |
| * @return The given <code>prefNode</code>, or <code>null</code> if it |
| * fails the Expressions check. |
| */ |
| public static IPreferenceNode getNodeExpression( |
| IPreferenceNode prefNode) { |
| if (prefNode == null) |
| return null; |
| if (prefNode instanceof WorkbenchPreferenceExtensionNode) { |
| WorkbenchPreferenceExpressionNode node = |
| (WorkbenchPreferenceExtensionNode)prefNode; |
| if (WorkbenchActivityHelper.restrictUseOf(node)) { |
| return null; |
| } |
| } |
| return prefNode; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IPluginContribution#getLocalId() |
| */ |
| public String getLocalId() { |
| return getId(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IPluginContribution#getPluginId() |
| */ |
| public String getPluginId() { |
| return ""; //$NON-NLS-1$ |
| } |
| } |