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));
+                    }
+                }
+            }
+        });
+    }
+}