1 files changed, 77 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/descriptors/XmlnsAttributeDescriptor.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/descriptors/XmlnsAttributeDescriptor.java
new file mode 100644
index 000000000..39bb0f5f8
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/descriptors/XmlnsAttributeDescriptor.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2007 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.eclipse.adt.internal.editors.descriptors;
+
+import static com.android.SdkConstants.XMLNS;
+import static com.android.SdkConstants.XMLNS_URI;
+
+import com.android.ide.eclipse.adt.internal.editors.uimodel.UiAttributeNode;
+import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode;
+
+
+/**
+ * Describes an XMLNS attribute that is hidden.
+ * <p/>
+ * Such an attribute has no user interface and no corresponding {@link UiAttributeNode}.
+ * It also has a single constant default value.
+ * <p/>
+ * When loading an XML, we'll ignore this attribute.
+ * However when writing a new XML, we should always write this attribute.
+ * <p/>
+ * Currently this is used for the xmlns:android attribute in the manifest element.
+ */
+public final class XmlnsAttributeDescriptor extends AttributeDescriptor {
+
+    private String mValue;
+
+    public XmlnsAttributeDescriptor(String defaultPrefix, String value) {
+        super(defaultPrefix, XMLNS_URI, null /* info */);
+        mValue = value;
+    }
+
+    /**
+     * Returns the value of this specialized attribute descriptor, which is the URI associated
+     * to the declared namespace prefix.
+     */
+    public String getValue() {
+        return mValue;
+    }
+
+    /**
+     * Returns the "xmlns" prefix that is always used by this node for its namespace URI.
+     * This is defined by the XML specification.
+     */
+    public String getXmlNsPrefix() {
+        return XMLNS;
+    }
+
+    /**
+     * Returns the fully-qualified attribute name, namely "xmlns:xxx" where xxx is
+     * the defaultPrefix passed in the constructor.
+     */
+    public String getXmlNsName() {
+        return getXmlNsPrefix() + ":" + getXmlLocalName(); //$NON-NLS-1$
+    }
+
+    /**
+     * @return Always returns null. {@link XmlnsAttributeDescriptor} has no user interface.
+     */
+    @Override
+    public UiAttributeNode createUiNode(UiElementNode uiParent) {
+        return null;
+    }
+}