Default action for view rules.

For now, text-oriented widgets declare their default action to
be to set the text attribute. Also hook up the default rename
keybinding to setting the id.

Change-Id: I14e8e06d0842759b1ac05e7e9494deb30b3cc40f

2 files changed, 17 insertions, 0 deletions

diff --git a/rule_api/src/com/android/ide/common/api/AbstractViewRule.java b/rule_api/src/com/android/ide/common/api/AbstractViewRule.java
index 068580f..e23a567 100644
--- a/rule_api/src/com/android/ide/common/api/AbstractViewRule.java
+++ b/rule_api/src/com/android/ide/common/api/AbstractViewRule.java
@@ -63,6 +63,12 @@ public class AbstractViewRule implements IViewRule {
     }
 
     @Override
+    @Nullable
+    public String getDefaultActionId(@NonNull INode node) {
+        return null;
+    }
+
+    @Override
     public void paintSelectionFeedback(@NonNull IGraphics graphics, @NonNull INode parentNode,
             @NonNull List<? extends INode> childNodes, @Nullable Object view) {
     }
diff --git a/rule_api/src/com/android/ide/common/api/IViewRule.java b/rule_api/src/com/android/ide/common/api/IViewRule.java
index b16df26..88b795f 100644
--- a/rule_api/src/com/android/ide/common/api/IViewRule.java
+++ b/rule_api/src/com/android/ide/common/api/IViewRule.java
@@ -102,6 +102,17 @@ public interface IViewRule {
     void addContextMenuActions(@NonNull List<RuleAction> actions, @NonNull INode node);
 
     /**
+     * Returns the id of the default action to invoke for this view, typically when the
+     * user presses F2. The id should correspond to the {@link RuleAction#getId()} returned
+     * by one of the actions added by {@link #addContextMenuActions(List, INode)}.
+     *
+     * @param node the primary selected node
+     * @return the id of default action, or null if none is default
+     */
+    @Nullable
+    String getDefaultActionId(@NonNull INode node);
+
+    /**
      * Invoked by the Rules Engine to ask the parent layout for the set of layout actions
      * to display in the layout bar. The layout rule should add these into the provided
      * list. The order the items are added in does not matter; the