[royale-asjs] branch develop updated: update selectedItem on delete

[aharui]

This is an automated email from the ASF dual-hosted git repository.

aharui pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/royale-asjs.git


The following commit(s) were added to refs/heads/develop by this push:
     new 7ad6a08  update selectedItem on delete
7ad6a08 is described below

commit 7ad6a08caf5c678ac0580531c1bb360e31608c5b
Author: Alex Harui <aha...@apache.org>
AuthorDate: Fri Feb 14 16:22:41 2020 -0800

    update selectedItem on delete
---
 .../models/SingleSelectionICollectionViewModel.as  | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git 
a/frameworks/projects/MXRoyale/src/main/royale/mx/controls/beads/models/SingleSelectionICollectionViewModel.as
 
b/frameworks/projects/MXRoyale/src/main/royale/mx/controls/beads/models/SingleSelectionICollectionViewModel.as
index 62a3992..d9080d0 100644
--- 
a/frameworks/projects/MXRoyale/src/main/royale/mx/controls/beads/models/SingleSelectionICollectionViewModel.as
+++ 
b/frameworks/projects/MXRoyale/src/main/royale/mx/controls/beads/models/SingleSelectionICollectionViewModel.as
@@ -21,6 +21,8 @@ package mx.controls.beads.models
        import mx.collections.ICollectionView;
        import mx.collections.IViewCursor;
     import mx.collections.CursorBookmark;
+    import mx.events.CollectionEvent;
+    import mx.events.CollectionEventKind;
        
        import org.apache.royale.core.IRollOverModel;
        import org.apache.royale.core.ISelectionModel;
@@ -92,7 +94,10 @@ package mx.controls.beads.models
 
             _dataProvider = value as ICollectionView;
             if (_dataProvider)
+                       {
                 _cursor = _dataProvider.createCursor();
+                               
dataProvider.addEventListener(CollectionEvent.COLLECTION_CHANGE, 
collectionChangeHandler);
+                       }
                        if(!_dataProvider || _selectedIndex >= 
_dataProvider.length)
                                _selectedIndex = -1;
             
@@ -293,5 +298,27 @@ package mx.controls.beads.models
                        dispatchEvent(new Event("selectedItemChanged"));
                        dispatchEvent(new Event("selectedIndexChanged"));
                }
+               
+               protected function 
collectionChangeHandler(event:CollectionEvent):void
+               {
+                       if (event.kind == CollectionEventKind.ADD)
+                       {
+                               if (event.location <= _selectedIndex)
+                               {
+                                       _selectedIndex++;
+                               }
+                       }
+                       else if (event.kind == CollectionEventKind.REMOVE)
+                       {
+                               if (event.location < _selectedIndex)
+                               {
+                                       _selectedIndex--;
+                               }
+                               else if (event.location == _selectedIndex)
+                               {
+                                       _selectedItem = 
getItemAt(_selectedIndex);
+                               }
+                       }
+               }
        }
 }