| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Eclipse Public License, Version 1.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.eclipse.org/org/documents/epl-v10.php |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.ide.common.layout; |
| |
| import com.android.annotations.NonNull; |
| import com.android.annotations.Nullable; |
| import com.android.ide.common.api.IMenuCallback; |
| import com.android.ide.common.api.INode; |
| import com.android.ide.common.api.INodeHandler; |
| import com.android.ide.common.api.RuleAction; |
| |
| import java.util.List; |
| |
| /** |
| * Convenience implementation of {@link IMenuCallback} which can be used to set a |
| * particular property to the new valueId or newValue passed from the {@link IMenuCallback} |
| */ |
| public class PropertyCallback implements IMenuCallback { |
| private final List<? extends INode> mTargetNodes; |
| private final String mUndoLabel; |
| private final String mUri; |
| private final String mAttribute; |
| |
| /** |
| * Creates a new property callback. |
| * |
| * @param targetNodes the nodes to apply the property to, or null to use the |
| * nodes pass into the |
| * {@link #action(RuleAction, List, String, Boolean)} method. |
| * @param undoLabel the label to use for the undo action |
| * @param uri the attribute URI to apply |
| * @param attribute the attribute name to apply |
| */ |
| public PropertyCallback(List<? extends INode> targetNodes, String undoLabel, |
| String uri, String attribute) { |
| super(); |
| mTargetNodes = targetNodes; |
| mUndoLabel = undoLabel; |
| mUri = uri; |
| mAttribute = attribute; |
| } |
| |
| // ---- Implements IMenuCallback ---- |
| @Override |
| public void action(@NonNull RuleAction action, @NonNull List<? extends INode> selectedNodes, |
| final @Nullable String valueId, final @Nullable Boolean newValue) { |
| if (mTargetNodes != null && mTargetNodes.size() > 0) { |
| selectedNodes = mTargetNodes; |
| } |
| if (selectedNodes == null || selectedNodes.size() == 0) { |
| return; |
| } |
| final List<? extends INode> nodes = selectedNodes; |
| selectedNodes.get(0).editXml(mUndoLabel, new INodeHandler() { |
| @Override |
| public void handle(@NonNull INode n) { |
| for (INode targetNode : nodes) { |
| if (valueId != null) { |
| targetNode.setAttribute(mUri, mAttribute, valueId); |
| } else { |
| assert newValue != null; |
| targetNode.setAttribute(mUri, mAttribute, Boolean.toString(newValue)); |
| } |
| } |
| } |
| }); |
| } |
| } |