diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/PropertyCallback.java')
-rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/PropertyCallback.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/PropertyCallback.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/PropertyCallback.java new file mode 100644 index 000000000..da2614eef --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/PropertyCallback.java @@ -0,0 +1,82 @@ +/* + * 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)); + } + } + } + }); + } +} |