add and edit

packages/z-flutter/lib/main.dart

@@ -125,6 +125,14 @@ class _MainAppState extends State<MainApp> {
     return (start: earliest.subtract(padding), end: latest.add(padding));
   }
 
+  void _onEntrySelected(TimelineEntry entry) {
+    emitEvent('item_selected', {'itemId': entry.id});
+  }
+
+  void _onBackgroundTap() {
+    emitEvent('item_deselected');
+  }
+
   void _onEntryMoved(
     TimelineEntry entry,
     DateTime newStart,
@@ -346,6 +354,7 @@ class _MainAppState extends State<MainApp> {
                       const ZTimelineTieredHeader(),
                       Expanded(
                         child: ZTimelineInteractor(
+                          onBackgroundTap: _onBackgroundTap,
                           child: ZTimelineView(
                             groups: _groups,
                             entries: _entries,
@@ -355,6 +364,8 @@ class _MainAppState extends State<MainApp> {
                             enableDrag: true,
                             onEntryMoved: _onEntryMoved,
                             onEntryResized: _onEntryResized,
+                            onEntrySelected: _onEntrySelected,
+                            selectedEntryId: _state?.selectedItemId,
                           ),
                         ),
                       ),