1 files changed, 108 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/descriptors/ReferenceAttributeDescriptor.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/descriptors/ReferenceAttributeDescriptor.java
new file mode 100644
index 000000000..0f146c198
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/descriptors/ReferenceAttributeDescriptor.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2008 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 com.android.SdkConstants;
+import com.android.ide.common.api.IAttributeInfo;
+import com.android.ide.common.api.IAttributeInfo.Format;
+import com.android.ide.common.resources.platform.AttributeInfo;
+import com.android.ide.eclipse.adt.internal.editors.ui.ResourceValueCellEditor;
+import com.android.ide.eclipse.adt.internal.editors.uimodel.UiAttributeNode;
+import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode;
+import com.android.ide.eclipse.adt.internal.editors.uimodel.UiResourceAttributeNode;
+import com.android.resources.ResourceType;
+
+import org.eclipse.jface.viewers.CellEditor;
+import org.eclipse.swt.widgets.Composite;
+
+/**
+ * Describes an XML attribute displayed containing a value or a reference to a resource.
+ * It is displayed by a {@link UiResourceAttributeNode}.
+ */
+public final class ReferenceAttributeDescriptor extends TextAttributeDescriptor {
+
+    /**
+     * The {@link ResourceType} that this reference attribute can accept. It can be null,
+     * in which case any reference type can be used.
+     */
+    private ResourceType mResourceType;
+
+    /**
+     * Used by {@link DescriptorsUtils} to create instances of this descriptor.
+     */
+    public static final ITextAttributeCreator CREATOR = new ITextAttributeCreator() {
+        @Override
+        public TextAttributeDescriptor create(String xmlLocalName,
+                String nsUri, IAttributeInfo attrInfo) {
+            return new ReferenceAttributeDescriptor(
+                    ResourceType.DRAWABLE,
+                    xmlLocalName, nsUri,
+                    new AttributeInfo(xmlLocalName, Format.REFERENCE_SET));
+        }
+    };
+
+    /**
+     * Creates a reference attributes that can contain any type of resources.
+     * @param xmlLocalName The XML name of the attribute (case sensitive)
+     * @param nsUri The URI of the attribute. Can be null if attribute has no namespace.
+     *              See {@link SdkConstants#NS_RESOURCES} for a common value.
+     * @param attrInfo The {@link IAttributeInfo} of this attribute. Can't be null.
+     */
+    public ReferenceAttributeDescriptor(String xmlLocalName, String nsUri,
+            IAttributeInfo attrInfo) {
+        super(xmlLocalName, nsUri, attrInfo);
+    }
+
+    /**
+     * Creates a reference attributes that can contain a reference to a specific
+     * {@link ResourceType}.
+     * @param resourceType The specific {@link ResourceType} that this reference attribute supports.
+     * It can be <code>null</code>, in which case, all resource types are supported.
+     * @param xmlLocalName The XML name of the attribute (case sensitive)
+     * @param nsUri The URI of the attribute. Can be null if attribute has no namespace.
+     *              See {@link SdkConstants#NS_RESOURCES} for a common value.
+     * @param attrInfo The {@link IAttributeInfo} of this attribute. Can't be null.
+     */
+    public ReferenceAttributeDescriptor(ResourceType resourceType,
+            String xmlLocalName, String nsUri, IAttributeInfo attrInfo) {
+        super(xmlLocalName, nsUri, attrInfo);
+        mResourceType = resourceType;
+    }
+
+
+    /** Returns the {@link ResourceType} that this reference attribute can accept.
+     * It can be null, in which case any reference type can be used. */
+    public ResourceType getResourceType() {
+        return mResourceType;
+    }
+
+    /**
+     * @return A new {@link UiResourceAttributeNode} linked to this reference descriptor.
+     */
+    @Override
+    public UiAttributeNode createUiNode(UiElementNode uiParent) {
+        return new UiResourceAttributeNode(mResourceType, this, uiParent);
+    }
+
+    // ------- IPropertyDescriptor Methods
+
+    @Override
+    public CellEditor createPropertyEditor(Composite parent) {
+        return new ResourceValueCellEditor(parent);
+    }
+
+}