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/*
* 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));
}
}
}
});
}
}
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