Merge change 22555 into eclair

* changes:
  ADT: Skeleton for GLE2.

tools/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/GLE2.java

@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2009 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;
+
+import com.android.ide.eclipse.adt.internal.editors.uimodel.UiDocumentNode;
+import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode;
+import com.android.ide.eclipse.adt.internal.resources.configurations.FolderConfiguration;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.gef.ui.parts.SelectionSynchronizer;
+import org.eclipse.swt.dnd.Clipboard;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.part.EditorPart;
+
+/**
+ * Graphical layout editor, version 2.
+ */
+public class GLE2 extends EditorPart implements IGraphicalLayoutEditor {
+
+    /*
+     * Useful notes:
+     * To understand Drag'n'drop:
+     *   http://www.eclipse.org/articles/Article-Workbench-DND/drag_drop.html
+     */
+
+    /** Reference to the layout editor */
+    private final LayoutEditor mLayoutEditor;
+
+    public GLE2(LayoutEditor layoutEditor) {
+        mLayoutEditor = layoutEditor;
+        setPartName("Graphical Layout");
+    }
+
+    // ------------------------------------
+    // Methods overridden from base classes
+    //------------------------------------
+
+    /**
+     * Initializes the editor part with a site and input.
+     * {@inheritDoc}
+     */
+    @Override
+    public void init(IEditorSite site, IEditorInput input) throws PartInitException {
+        setSite(site);
+        setInput(input);
+    }
+
+    @Override
+    public void dispose() {
+        super.dispose();
+    }
+
+    @Override
+    public void doSave(IProgressMonitor monitor) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void doSaveAs() {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public boolean isDirty() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isSaveAsAllowed() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public void createPartControl(Composite parent) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void setFocus() {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void activated() {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void deactivated() {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void editNewFile(FolderConfiguration configuration) {
+        // TODO Auto-generated method stub
+
+    }
+
+    public Clipboard getClipboard() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public LayoutEditor getLayoutEditor() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public UiDocumentNode getModel() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public SelectionSynchronizer getSelectionSynchronizer() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public void onXmlModelChanged() {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void recomputeLayout() {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void reloadEditor() {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void reloadPalette() {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void selectModel(UiElementNode uiNodeModel) {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void reloadLayout(boolean codeChange, boolean rChange,
+            boolean resChange) {
+        // TODO Auto-generated method stub
+
+    }
+
+}

tools/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/GraphicalLayoutEditor.java

@@ -19,7 +19,6 @@ package com.android.ide.eclipse.adt.internal.editors.layout;
 import com.android.ide.eclipse.adt.AdtPlugin;
 import com.android.ide.eclipse.adt.internal.editors.IconFactory;
 import com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditor.UiEditorActions;
-import com.android.ide.eclipse.adt.internal.editors.layout.LayoutReloadMonitor.ILayoutReloadListener;
 import com.android.ide.eclipse.adt.internal.editors.layout.configuration.ConfigurationComposite;
 import com.android.ide.eclipse.adt.internal.editors.layout.configuration.ConfigurationComposite.IConfigListener;
 import com.android.ide.eclipse.adt.internal.editors.layout.descriptors.ViewElementDescriptor;
@@ -71,6 +70,8 @@ import org.eclipse.gef.dnd.TemplateTransferDropTargetListener;
 import org.eclipse.gef.editparts.ScalableFreeformRootEditPart;
 import org.eclipse.gef.palette.PaletteRoot;
 import org.eclipse.gef.requests.CreationFactory;
+import org.eclipse.gef.ui.parts.GraphicalEditorWithPalette;
+import org.eclipse.gef.ui.parts.SelectionSynchronizer;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IMenuListener;
 import org.eclipse.jface.action.IMenuManager;
@@ -111,8 +112,8 @@ import java.util.Map;
  * <p/>
  * To understand Drag'n'drop: http://www.eclipse.org/articles/Article-Workbench-DND/drag_drop.html
  */
-public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
-        implements ILayoutReloadListener, IConfigListener {
+public class GraphicalLayoutEditor extends GraphicalEditorWithPalette
+        implements IGraphicalLayoutEditor, IConfigListener {
 
 
     /** Reference to the layout editor */
@@ -233,6 +234,31 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
         super.dispose();
     }
 
+    /**
+     * Returns the selection synchronizer object.
+     * The synchronizer can be used to sync the selection of 2 or more EditPartViewers.
+     * <p/>
+     * This is changed from protected to public so that the outline can use it.
+     *
+     * @return the synchronizer
+     */
+    @Override
+    public SelectionSynchronizer getSelectionSynchronizer() {
+        return super.getSelectionSynchronizer();
+    }
+
+    /**
+     * Returns the edit domain.
+     * <p/>
+     * This is changed from protected to public so that the outline can use it.
+     *
+     * @return the edit domain
+     */
+    @Override
+    public DefaultEditDomain getEditDomain() {
+        return super.getEditDomain();
+    }
+
     /* (non-Javadoc)
      * Creates the palette root.
      */
@@ -243,7 +269,6 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
         return mPaletteRoot;
     }
 
-    @Override
     public Clipboard getClipboard() {
         return mClipboard;
     }
@@ -365,8 +390,7 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
      *
      * @param uiNodeModel The {@link UiElementNode} to select.
      */
-    @Override
-    void selectModel(UiElementNode uiNodeModel) {
+    public void selectModel(UiElementNode uiNodeModel) {
         GraphicalViewer viewer = getGraphicalViewer();
 
         // Give focus to the graphical viewer (in case the outline has it)
@@ -384,7 +408,6 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
     // Local methods
     //--------------
 
-    @Override
     public LayoutEditor getLayoutEditor() {
         return mLayoutEditor;
     }
@@ -514,8 +537,7 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
      * Sets the UI for the edition of a new file.
      * @param configuration the configuration of the new file.
      */
-    @Override
-    void editNewFile(FolderConfiguration configuration) {
+    public void editNewFile(FolderConfiguration configuration) {
         // update the configuration UI
         setConfiguration(configuration, true /*force*/);
 
@@ -625,8 +647,7 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
     /**
      * Reloads this editor, by getting the new model from the {@link LayoutEditor}.
      */
-    @Override
-    void reloadEditor() {
+    public void reloadEditor() {
         GraphicalViewer viewer = getGraphicalViewer();
         viewer.setContents(getModel());
 
@@ -647,8 +668,7 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
     /**
      * Callback for XML model changed. Only update/recompute the layout if the editor is visible
      */
-    @Override
-    void onXmlModelChanged() {
+    public void onXmlModelChanged() {
         if (mLayoutEditor.isGraphicalEditorActive()) {
             doXmlReload(true /* force */);
             recomputeLayout();
@@ -697,13 +717,11 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
     }
 
 
-    @Override
-    UiDocumentNode getModel() {
+    public UiDocumentNode getModel() {
         return mLayoutEditor.getUiRootNode();
     }
 
-    @Override
-    void reloadPalette() {
+    public void reloadPalette() {
         PaletteFactory.createPaletteRoot(mPaletteRoot, mLayoutEditor.getTargetData());
     }
 
@@ -794,9 +812,8 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
     /**
      * Recomputes the layout with the help of layoutlib.
      */
-    @Override
     @SuppressWarnings("deprecation")
-    void recomputeLayout() {
+    public void recomputeLayout() {
         doXmlReload(false /* force */);
         try {
             // check that the resource exists. If the file is opened but the project is closed
@@ -1072,8 +1089,7 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
     /**
      * Responds to a page change that made the Graphical editor page the activated page.
      */
-    @Override
-    void activated() {
+    public void activated() {
         if (mNeedsRecompute || mNeedsXmlReload) {
             recomputeLayout();
         }
@@ -1082,8 +1098,7 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
     /**
      * Responds to a page change that made the Graphical editor page the deactivated page
      */
-    @Override
-    void deactivated() {
+    public void deactivated() {
         // nothing to be done here for now.
     }
 
@@ -1093,12 +1108,12 @@ public class GraphicalLayoutEditor extends AbstractGraphicalLayoutEditor
 
             if (frameworkRes == null) {
                 AdtPlugin.log(IStatus.ERROR, "Failed to get ProjectResource for the framework");
-            }
-
+            } else {
                 // get the framework resource values based on the current config
                 mConfiguredFrameworkRes = frameworkRes.getConfiguredResources(
                         mConfigComposite.getCurrentConfig());
             }
+        }
 
         return mConfiguredFrameworkRes;
     }

tools/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/IGraphicalLayoutEditor.java

@@ -22,17 +22,14 @@ import com.android.ide.eclipse.adt.internal.editors.uimodel.UiDocumentNode;
 import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode;
 import com.android.ide.eclipse.adt.internal.resources.configurations.FolderConfiguration;
 
-import org.eclipse.gef.DefaultEditDomain;
-import org.eclipse.gef.ui.parts.GraphicalEditorWithPalette;
 import org.eclipse.gef.ui.parts.SelectionSynchronizer;
 import org.eclipse.swt.dnd.Clipboard;
-import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IEditorPart;
 
 /**
- * Abstract GraphicalLayoutEditor.
+ * Interface defining what {@link LayoutEditor} expects from a GraphicalLayoutEditor part.
  */
-/*package*/ abstract class AbstractGraphicalLayoutEditor extends GraphicalEditorWithPalette
-    implements IWorkbenchPart, ILayoutReloadListener {
+/*package*/ interface IGraphicalLayoutEditor extends IEditorPart, ILayoutReloadListener {
 
     /**
      * Sets the UI for the edition of a new file.
@@ -71,27 +68,8 @@ import org.eclipse.ui.IWorkbenchPart;
     /**
      * Returns the selection synchronizer object.
      * The synchronizer can be used to sync the selection of 2 or more EditPartViewers.
-     * <p/>
-     * This is changed from protected to public so that the outline can use it.
-     *
-     * @return the synchronizer
      */
-    @Override
-    public SelectionSynchronizer getSelectionSynchronizer() {
-        return super.getSelectionSynchronizer();
-    }
-
-    /**
-     * Returns the edit domain.
-     * <p/>
-     * This is changed from protected to public so that the outline can use it.
-     *
-     * @return the edit domain
-     */
-    @Override
-    public DefaultEditDomain getEditDomain() {
-        return super.getEditDomain();
-    }
+    abstract public SelectionSynchronizer getSelectionSynchronizer();
 
     abstract void reloadPalette();
 

tools/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/LayoutEditor.java

@@ -55,7 +55,7 @@ public class LayoutEditor extends AndroidEditor implements IShowEditorInput, IPa
     /** Root node of the UI element hierarchy */
     private UiDocumentNode mUiRootNode;
 
-    private AbstractGraphicalLayoutEditor mGraphicalEditor;
+    private IGraphicalLayoutEditor mGraphicalEditor;
     private int mGraphicalEditorIndex;
     /** Implementation of the {@link IContentOutlinePage} for this editor */
     private UiContentOutlinePage mOutline;
@@ -128,9 +128,15 @@ public class LayoutEditor extends AndroidEditor implements IShowEditorInput, IPa
             // The graphical layout editor is now enabled by default.
             // In case there's an issue we provide a way to disable it using an
             // env variable.
-            if (System.getenv("ANDROID_DISABLE_LAYOUT") == null) {
+            if (System.getenv("ANDROID_DISABLE_LAYOUT") == null) {      //$NON-NLS-1$
                 if (mGraphicalEditor == null) {
+
+                    if (System.getenv("USE_GLE2") != null) {            //$NON-NLS-1$ //$NON-NLS-2$
+                        mGraphicalEditor = new GLE2(this);
+                    } else {
                         mGraphicalEditor = new GraphicalLayoutEditor(this);
+                    }
+
                     mGraphicalEditorIndex = addPage(mGraphicalEditor, getEditorInput());
                     setPageText(mGraphicalEditorIndex, mGraphicalEditor.getTitle());
                 } else {
@@ -246,8 +252,12 @@ public class LayoutEditor extends AndroidEditor implements IShowEditorInput, IPa
         // This fixes the case where a layout file is opened in XML view first and the outline
         // gets stuck in the XML outline.
         if (IContentOutlinePage.class == adapter && mGraphicalEditor != null) {
-            if (mOutline == null) {
-                mOutline = new UiContentOutlinePage(mGraphicalEditor, new TreeViewer());
+
+            if (mOutline == null && mGraphicalEditor instanceof GraphicalLayoutEditor) {
+                // TODO add support for GLE2
+                mOutline = new UiContentOutlinePage(
+                        (GraphicalLayoutEditor) mGraphicalEditor,
+                        new TreeViewer());
             }
 
             return mOutline;

tools/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/UiContentOutlinePage.java

@@ -70,7 +70,7 @@ import java.util.List;
  */
 class UiContentOutlinePage extends ContentOutlinePage {
 
-    private AbstractGraphicalLayoutEditor mEditor;
+    private GraphicalLayoutEditor mEditor;
 
     private Action mAddAction;
     private Action mDeleteAction;
@@ -79,7 +79,7 @@ class UiContentOutlinePage extends ContentOutlinePage {
 
     private UiOutlineActions mUiActions = new UiOutlineActions();
 
-    public UiContentOutlinePage(AbstractGraphicalLayoutEditor editor, final EditPartViewer viewer) {
+    public UiContentOutlinePage(GraphicalLayoutEditor editor, final EditPartViewer viewer) {
         super(viewer);
         mEditor = editor;
         IconFactory factory = IconFactory.getInstance();
@@ -234,6 +234,7 @@ class UiContentOutlinePage extends ContentOutlinePage {
     }
 
     private void setupOutline() {
+
         getViewer().setEditDomain(mEditor.getEditDomain());
 
         // hook outline viewer
@@ -344,7 +345,7 @@ class UiContentOutlinePage extends ContentOutlinePage {
     }
 
     /**
-     * Updates the outline view with the model of the {@link GraphicalLayoutEditor}.
+     * Updates the outline view with the model of the {@link IGraphicalLayoutEditor}.
      * <p/>
      * This attemps to preserve the selection, if any.
      */