original

[gb-231r1-is01/GB_2.3_IS01.git] / sdk / eclipse / plugins / com.android.ide.eclipse.adt / src / com / android / ide / common / layout / PropertyCallback.java

diff --git a/sdk/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/PropertyCallback.java b/sdk/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/PropertyCallback.java
new file mode 100644 (file)
index 0000000..4024d5a
--- /dev/null
+++ b/sdk/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/PropertyCallback.java
@@ -0,0 +1,63 @@
+/*
+ * 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.ide.common.api.IMenuCallback;
+import com.android.ide.common.api.INode;
+import com.android.ide.common.api.INodeHandler;
+import com.android.ide.common.api.MenuAction;
+
+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;
+
+    public PropertyCallback(List<? extends INode> targetNodes, String undoLabel,
+            String uri, String attribute) {
+        super();
+        mTargetNodes = targetNodes;
+        mUndoLabel = undoLabel;
+        mUri = uri;
+        mAttribute = attribute;
+    }
+
+    // ---- Implements IMenuCallback ----
+    public void action(MenuAction action, final String valueId, final Boolean newValue) {
+        if (mTargetNodes != null && mTargetNodes.size() == 0) {
+            return;
+        }
+        mTargetNodes.get(0).editXml(mUndoLabel, new INodeHandler() {
+            public void handle(INode n) {
+                for (INode targetNode : mTargetNodes) {
+                    if (valueId != null) {
+                        targetNode.setAttribute(mUri, mAttribute, valueId);
+                    } else {
+                        assert newValue != null;
+                        targetNode.setAttribute(mUri, mAttribute, Boolean.toString(newValue));
+                    }
+                }
+            }
+        });
+    }
+}