1 files changed, 144 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/values/ValuesEditorDelegate.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/values/ValuesEditorDelegate.java
new file mode 100644
index 000000000..10f105f85
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/values/ValuesEditorDelegate.java
@@ -0,0 +1,144 @@
+/*
+ * 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.values;
+
+import com.android.annotations.NonNull;
+import com.android.annotations.Nullable;
+import com.android.ide.eclipse.adt.AdtConstants;
+import com.android.ide.eclipse.adt.AdtPlugin;
+import com.android.ide.eclipse.adt.internal.editors.common.CommonXmlDelegate;
+import com.android.ide.eclipse.adt.internal.editors.common.CommonXmlEditor;
+import com.android.ide.eclipse.adt.internal.editors.descriptors.ElementDescriptor;
+import com.android.ide.eclipse.adt.internal.editors.values.descriptors.ValuesDescriptors;
+import com.android.resources.ResourceFolderType;
+import com.android.xml.AndroidXPathFactory;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.ui.PartInitException;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpressionException;
+
+/**
+ * Multi-page form editor for /res/values XML files.
+ */
+public class ValuesEditorDelegate extends CommonXmlDelegate {
+
+    public static class Creator implements IDelegateCreator {
+        @Override
+        @SuppressWarnings("unchecked")
+        public ValuesEditorDelegate createForFile(
+                @NonNull CommonXmlEditor delegator,
+                @Nullable ResourceFolderType type) {
+            if (ResourceFolderType.VALUES == type) {
+                return new ValuesEditorDelegate(delegator);
+            }
+
+            return null;
+        }
+    }
+
+    /**
+     * Old standalone-editor ID.
+     * Use {@link CommonXmlEditor#ID} instead.
+     */
+    public static final String LEGACY_EDITOR_ID =
+        AdtConstants.EDITORS_NAMESPACE + ".resources.ResourcesEditor"; //$NON-NLS-1$
+
+
+    /**
+     * Creates the form editor for resources XML files.
+     */
+    private ValuesEditorDelegate(CommonXmlEditor editor) {
+        super(editor, new ValuesContentAssist());
+        editor.addDefaultTargetListener();
+    }
+
+    // ---- Base Class Overrides ----
+
+    /**
+     * Create the various form pages.
+     */
+    @Override
+    public void delegateCreateFormPages() {
+        try {
+            getEditor().addPage(new ValuesTreePage(getEditor()));
+        } catch (PartInitException e) {
+            AdtPlugin.log(IStatus.ERROR, "Error creating nested page"); //$NON-NLS-1$
+            AdtPlugin.getDefault().getLog().log(e.getStatus());
+        }
+     }
+
+    /**
+     * Processes the new XML Model, which XML root node is given.
+     *
+     * @param xml_doc The XML document, if available, or null if none exists.
+     */
+    @Override
+    public void delegateXmlModelChanged(Document xml_doc) {
+        // init the ui root on demand
+        delegateInitUiRootNode(false /*force*/);
+
+        getUiRootNode().setXmlDocument(xml_doc);
+        if (xml_doc != null) {
+            ElementDescriptor resources_desc =
+                    ValuesDescriptors.getInstance().getElementDescriptor();
+            try {
+                XPath xpath = AndroidXPathFactory.newXPath();
+                Node node = (Node) xpath.evaluate("/" + resources_desc.getXmlName(),  //$NON-NLS-1$
+                        xml_doc,
+                        XPathConstants.NODE);
+                // Node can be null _or_ it must be the element we searched for.
+                assert node == null || node.getNodeName().equals(resources_desc.getXmlName());
+
+                // Refresh the manifest UI node and all its descendants
+                getUiRootNode().loadFromXmlNode(node);
+            } catch (XPathExpressionException e) {
+                AdtPlugin.log(e, "XPath error when trying to find '%s' element in XML.", //$NON-NLS-1$
+                        resources_desc.getXmlName());
+            }
+        }
+    }
+
+    /**
+     * Creates the initial UI Root Node, including the known mandatory elements.
+     * @param force if true, a new UiRootNode is recreated even if it already exists.
+     */
+    @Override
+    public void delegateInitUiRootNode(boolean force) {
+        // The manifest UI node is always created, even if there's no corresponding XML node.
+        if (getUiRootNode() == null || force) {
+            ElementDescriptor resources_desc =
+                    ValuesDescriptors.getInstance().getElementDescriptor();
+            setUiRootNode(resources_desc.createUiNode());
+            getUiRootNode().setEditor(getEditor());
+
+            onDescriptorsChanged();
+        }
+    }
+
+    // ---- Local methods ----
+
+    private void onDescriptorsChanged() {
+        // nothing to be done, as the descriptor are static for now.
+        // FIXME Update when the descriptors are not static
+    }
+}
+