1 files changed, 120 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gre/PaletteMetadataDescriptor.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gre/PaletteMetadataDescriptor.java
new file mode 100644
index 000000000..884cb077a
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gre/PaletteMetadataDescriptor.java
@@ -0,0 +1,120 @@
+/*
+ * 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.eclipse.adt.internal.editors.layout.gre;
+
+import static com.android.SdkConstants.ANDROID_NS_NAME_PREFIX;
+import static com.android.SdkConstants.ANDROID_URI;
+
+import com.android.ide.eclipse.adt.internal.editors.IconFactory;
+import com.android.ide.eclipse.adt.internal.editors.layout.descriptors.ViewElementDescriptor;
+import com.android.ide.eclipse.adt.internal.editors.layout.gle2.SimpleAttribute;
+import com.android.ide.eclipse.adt.internal.editors.layout.gle2.SimpleElement;
+
+import org.eclipse.swt.graphics.Image;
+import org.w3c.dom.Element;
+
+/**
+ * Special version of {@link ViewElementDescriptor} which is initialized by the palette
+ * with specific metadata for how to instantiate particular variations of an existing
+ * {@link ViewElementDescriptor} with initial values.
+ */
+public class PaletteMetadataDescriptor extends ViewElementDescriptor {
+    private String mInitString;
+    private String mIconName;
+
+    public PaletteMetadataDescriptor(ViewElementDescriptor descriptor, String displayName,
+            String initString, String iconName) {
+        super(descriptor.getXmlName(),
+                displayName,
+                descriptor.getFullClassName(),
+                descriptor.getTooltip(),
+                descriptor.getSdkUrl(),
+                descriptor.getAttributes(),
+                descriptor.getLayoutAttributes(),
+                descriptor.getChildren(), descriptor.getMandatory() == Mandatory.MANDATORY);
+        mInitString = initString;
+        mIconName = iconName;
+        setSuperClass(descriptor.getSuperClassDesc());
+    }
+
+    /**
+     * Returns a String which contains a comma separated list of name=value tokens,
+     * where the name can start with "android:" to indicate a property in the android namespace,
+     * or no prefix for plain attributes.
+     *
+     * @return the initialization string, which can be empty but never null
+     */
+    public String getInitializedAttributes() {
+        return mInitString != null ? mInitString : ""; //$NON-NLS-1$
+    }
+
+    @Override
+    public Image getGenericIcon() {
+        if (mIconName != null) {
+            IconFactory factory = IconFactory.getInstance();
+            Image icon = factory.getIcon(mIconName);
+            if (icon != null) {
+                return icon;
+            }
+        }
+
+        return super.getGenericIcon();
+    }
+
+    /**
+     * Initializes a new {@link SimpleElement} with the palette initialization
+     * configuration
+     *
+     * @param element the new element to initialize
+     */
+    public void initializeNew(SimpleElement element) {
+        initializeNew(element, null);
+    }
+
+    /**
+     * Initializes a new {@link Element} with the palette initialization configuration
+     *
+     * @param element the new element to initialize
+     */
+    public void initializeNew(Element element) {
+        initializeNew(null, element);
+    }
+
+    private void initializeNew(SimpleElement simpleElement, Element domElement) {
+        String initializedAttributes = mInitString;
+        if (initializedAttributes != null && initializedAttributes.length() > 0) {
+            for (String s : initializedAttributes.split(",")) { //$NON-NLS-1$
+                String[] nameValue = s.split("="); //$NON-NLS-1$
+                String name = nameValue[0];
+                String value = nameValue[1];
+                String nameSpace = ""; //$NON-NLS-1$
+                if (name.startsWith(ANDROID_NS_NAME_PREFIX)) {
+                    name = name.substring(ANDROID_NS_NAME_PREFIX.length());
+                    nameSpace = ANDROID_URI;
+                }
+
+                if (simpleElement != null) {
+                    SimpleAttribute attr = new SimpleAttribute(nameSpace, name, value);
+                    simpleElement.addAttribute(attr);
+                }
+
+                if (domElement != null) {
+                    domElement.setAttributeNS(nameSpace, name, value);
+                }
+            }
+        }
+    }
+}