1 files changed, 162 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/configuration/ActivityMenuListener.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/configuration/ActivityMenuListener.java
new file mode 100644
index 000000000..36cd0fbbb
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/configuration/ActivityMenuListener.java
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2012 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.configuration;
+
+import com.android.annotations.NonNull;
+import com.android.annotations.Nullable;
+import com.android.ide.eclipse.adt.AdtPlugin;
+import com.android.ide.eclipse.adt.internal.editors.manifest.ManifestInfo;
+import com.android.ide.eclipse.adt.internal.resources.ResourceHelper;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.jdt.ui.ISharedImages;
+import org.eclipse.jdt.ui.JavaUI;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.swt.widgets.MenuItem;
+import org.eclipse.swt.widgets.ToolItem;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * The {@linkplain ActivityMenuListener} class is responsible for
+ * generating the activity menu in the {@link ConfigurationChooser}.
+ */
+class ActivityMenuListener extends SelectionAdapter {
+    private static final int ACTION_OPEN_ACTIVITY = 1;
+    private static final int ACTION_SELECT_ACTIVITY = 2;
+
+    private final ConfigurationChooser mConfigChooser;
+    private final int mAction;
+    private final String mFqcn;
+
+    ActivityMenuListener(
+            @NonNull ConfigurationChooser configChooser,
+            int action,
+            @Nullable String fqcn) {
+        mConfigChooser = configChooser;
+        mAction = action;
+        mFqcn = fqcn;
+    }
+
+    @Override
+    public void widgetSelected(SelectionEvent e) {
+        switch (mAction) {
+            case ACTION_OPEN_ACTIVITY: {
+                Configuration configuration = mConfigChooser.getConfiguration();
+                String fqcn = configuration.getActivity();
+                AdtPlugin.openJavaClass(mConfigChooser.getProject(), fqcn);
+                break;
+            }
+            case ACTION_SELECT_ACTIVITY: {
+                mConfigChooser.selectActivity(mFqcn);
+                mConfigChooser.onSelectActivity();
+                break;
+            }
+            default: assert false : mAction;
+        }
+    }
+
+    static void show(ConfigurationChooser chooser, ToolItem combo) {
+        // TODO: Allow using fragments here as well?
+        Menu menu = new Menu(chooser.getShell(), SWT.POP_UP);
+        ISharedImages sharedImages = JavaUI.getSharedImages();
+        Configuration configuration = chooser.getConfiguration();
+        String current = configuration.getActivity();
+
+        if (current != null) {
+            MenuItem item = new MenuItem(menu, SWT.PUSH);
+            String label = ConfigurationChooser.getActivityLabel(current, true);
+            item.setText( String.format("Open %1$s...", label));
+            Image image = sharedImages.getImage(ISharedImages.IMG_OBJS_CUNIT);
+            item.setImage(image);
+            item.addSelectionListener(
+                    new ActivityMenuListener(chooser, ACTION_OPEN_ACTIVITY, null));
+
+            @SuppressWarnings("unused")
+            MenuItem separator = new MenuItem(menu, SWT.SEPARATOR);
+        }
+
+        IProject project = chooser.getProject();
+        Image image = sharedImages.getImage(ISharedImages.IMG_OBJS_CLASS);
+
+        // Add activities found to be relevant to this layout
+        String layoutName = ResourceHelper.getLayoutName(chooser.getEditedFile());
+        String pkg = ManifestInfo.get(project).getPackage();
+        List<String> preferred = ManifestInfo.guessActivities(project, layoutName, pkg);
+        current = addActivities(chooser, menu, current, image, preferred);
+
+        // Add all activities
+        List<String> activities = ManifestInfo.getProjectActivities(project);
+        if (preferred.size() > 0) {
+            // Filter out the activities we've already listed above
+            List<String> filtered = new ArrayList<String>(activities.size());
+            Set<String> remove = new HashSet<String>(preferred);
+            for (String fqcn : activities) {
+                if (!remove.contains(fqcn)) {
+                    filtered.add(fqcn);
+                }
+            }
+            activities = filtered;
+        }
+
+        if (activities.size() > 0) {
+            if (preferred.size() > 0) {
+                @SuppressWarnings("unused")
+                MenuItem separator = new MenuItem(menu, SWT.SEPARATOR);
+            }
+
+            addActivities(chooser, menu, current, image, activities);
+        }
+
+        Rectangle bounds = combo.getBounds();
+        Point location = new Point(bounds.x, bounds.y + bounds.height);
+        location = combo.getParent().toDisplay(location);
+        menu.setLocation(location.x, location.y);
+        menu.setVisible(true);
+    }
+
+    private static String addActivities(ConfigurationChooser chooser, Menu menu, String current,
+            Image image, List<String> activities) {
+        for (final String fqcn : activities) {
+            String title = ConfigurationChooser.getActivityLabel(fqcn, false);
+            MenuItem item = new MenuItem(menu, SWT.CHECK);
+            item.setText(title);
+            item.setImage(image);
+
+            boolean selected = title.equals(current);
+            if (selected) {
+                item.setSelection(true);
+                current = null; // Only show the first occurrence as selected
+                // such that we don't show it selected again in the full activity list
+            }
+
+            item.addSelectionListener(new ActivityMenuListener(chooser,
+                    ACTION_SELECT_ACTIVITY, fqcn));
+        }
+
+        return current;
+    }
+}