Data provider notifier changes:
- Add DataProviderNotifierBase class which holds all common properties
- Add DataProviderCollectionChangeNotifier which listen for "collectionChanged" 
event and dispatch "dataProviderChanged" through model
- Rename DataProviderAddRemoveNotifier to DataProviderItemsChangeNotifier
- Add itemUpdated to DataProviderItemsChangeNotifier


Project: http://git-wip-us.apache.org/repos/asf/flex-asjs/repo
Commit: http://git-wip-us.apache.org/repos/asf/flex-asjs/commit/b3cd50eb
Tree: http://git-wip-us.apache.org/repos/asf/flex-asjs/tree/b3cd50eb
Diff: http://git-wip-us.apache.org/repos/asf/flex-asjs/diff/b3cd50eb

Branch: refs/heads/feature/chart-work
Commit: b3cd50ebb1fd5799c48812b2db7cf787b907920e
Parents: 326d697
Author: piotrz <pio...@apache.org>
Authored: Sun Apr 9 17:56:07 2017 +0200
Committer: piotrz <pio...@apache.org>
Committed: Sun Apr 9 17:56:07 2017 +0200

----------------------------------------------------------------------
 .../html/beads/DataProviderAddRemoveNotifier.as | 183 -------------------
 .../html/beads/DataProviderChangeNotifier.as    | 163 +++--------------
 .../DataProviderCollectionChangeNotifier.as     |  71 +++++++
 .../beads/DataProviderItemsChangeNotifier.as    |  95 ++++++++++
 .../supportClasses/DataProviderNotifierBase.as  | 175 ++++++++++++++++++
 5 files changed, 364 insertions(+), 323 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/b3cd50eb/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderAddRemoveNotifier.as
----------------------------------------------------------------------
diff --git 
a/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderAddRemoveNotifier.as
 
b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderAddRemoveNotifier.as
deleted file mode 100644
index 81a80bb..0000000
--- 
a/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderAddRemoveNotifier.as
+++ /dev/null
@@ -1,183 +0,0 @@
-////////////////////////////////////////////////////////////////////////////////
-//
-//  Licensed to the Apache Software Foundation (ASF) under one or more
-//  contributor license agreements.  See the NOTICE file distributed with
-//  this work for additional information regarding copyright ownership.
-//  The ASF licenses this file to You under the Apache License, Version 2.0
-//  (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.apache.org/licenses/LICENSE-2.0
-//
-//  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 org.apache.flex.html.beads
-{
-       import org.apache.flex.core.IBead;
-       import org.apache.flex.core.IBeadModel;
-       import org.apache.flex.core.IDocument;
-       import org.apache.flex.core.ISelectionModel;
-       import org.apache.flex.core.IStrand;
-       import org.apache.flex.core.UIBase;
-       import org.apache.flex.events.IEventDispatcher;
-       import org.apache.flex.events.Event;
-       import org.apache.flex.collections.ArrayList;
-       import org.apache.flex.events.CollectionEvent;
-       /**
-        *  The DataProviderAddRemoveNotifier notifies listeners when a 
selection model's to
-        *  ArrayList dataProvider has been added or removed item.
-        *  
-        *  @langversion 3.0
-        *  @playerversion Flash 10.2
-        *  @playerversion AIR 2.6
-        *  @productversion FlexJS 0.0
-        */
-       public class DataProviderAddRemoveNotifier implements IBead, IDocument
-       {
-               /**
-                *  constructor.
-                *  
-                *  @langversion 3.0
-                *  @playerversion Flash 10.2
-                *  @playerversion AIR 2.6
-                *  @productversion FlexJS 0.0
-                */
-               public function DataProviderAddRemoveNotifier()
-               {
-               }
-               
-               protected var _dataProvider:ArrayList;
-               
-               private var _strand:IStrand;
-               
-               /**
-                *  @copy org.apache.flex.core.IBead#strand
-                *  
-                *  @langversion 3.0
-                *  @playerversion Flash 10.2
-                *  @playerversion AIR 2.6
-                *  @productversion FlexJS 0.0
-                */
-               public function set strand(value:IStrand):void
-               {
-                       _strand = value;
-                       
-                       if (_strand[destinationPropertyName] == null) {
-                               var model:IBeadModel = UIBase(_strand).model as 
IBeadModel;
-                               
IEventDispatcher(model).addEventListener(changeEventName, 
destinationChangedHandler);
-                       }
-                       else {
-                               destinationChangedHandler(null);
-                       }
-               }
-               
-               private function destinationChangedHandler(event:Event):void
-               {
-                       if (_dataProvider == null) {
-                               var object:Object = document[sourceID];
-                               _dataProvider = object[propertyName] as 
ArrayList;
-                       }
-                       else {
-                               
_dataProvider.removeEventListener(CollectionEvent.ITEM_ADDED, handleItemAdded);
-                               
_dataProvider.removeEventListener(CollectionEvent.ITEM_REMOVED, 
handleItemRemoved);
-                       }
-                       
-                       
_dataProvider.addEventListener(CollectionEvent.ITEM_ADDED, handleItemAdded);
-                       
_dataProvider.addEventListener(CollectionEvent.ITEM_REMOVED, handleItemRemoved);
-               }
-               
-               protected var document:Object;
-               
-               /**
-                * @private
-                */
-               public function setDocument(document:Object, id:String = 
null):void
-               {
-                       this.document = document;
-               }
-               
-               private var _destinationPropertyName:String;
-               
-               public function get destinationPropertyName():String
-               {
-                       return _destinationPropertyName;
-               }
-               public function set destinationPropertyName(value:String):void
-               {
-                       _destinationPropertyName = value;
-               }
-               
-               private var _changeEventName:String;
-               
-               public function get changeEventName():String
-               {
-                       return _changeEventName;
-               }
-               public function set changeEventName(value:String):void
-               {
-                       _changeEventName = value;
-               }
-               
-               private var _sourceID:String;
-               
-               /**
-                *  The ID of the object holding the ArrayList, usually a model.
-                *  
-                *  @langversion 3.0
-                *  @playerversion Flash 10.2
-                *  @playerversion AIR 2.6
-                *  @productversion FlexJS 0.0
-                */
-               public function get sourceID():String
-               {
-                       return _sourceID;
-               }
-               public function set sourceID(value:String):void
-               {
-                       _sourceID = value;
-               }
-               
-               private var _propertyName:String;
-               
-               /**
-                *  The property in the sourceID that is the ArrayList.
-                *  
-                *  @langversion 3.0
-                *  @playerversion Flash 10.2
-                *  @playerversion AIR 2.6
-                *  @productversion FlexJS 0.0
-                */
-               public function get propertyName():String
-               {
-                       return _propertyName;
-               }
-               
-               public function set propertyName(value:String):void
-               {
-                       _propertyName = value;
-               }
-               
-               /**
-                * @private
-                */
-               private function handleItemAdded(event:CollectionEvent):void
-               {
-                       var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
-                       selectionModel.dispatchEvent(event.cloneEvent() as 
CollectionEvent);
-               }
-               
-               /**
-                * @private
-                */
-               private function handleItemRemoved(event:CollectionEvent):void
-               {
-                       var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
-                       selectionModel.dispatchEvent(event.cloneEvent() as 
CollectionEvent);
-               }
-       }
-}

http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/b3cd50eb/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderChangeNotifier.as
----------------------------------------------------------------------
diff --git 
a/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderChangeNotifier.as
 
b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderChangeNotifier.as
index a24810b..e8c28bd 100644
--- 
a/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderChangeNotifier.as
+++ 
b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderChangeNotifier.as
@@ -18,17 +18,13 @@
 
////////////////////////////////////////////////////////////////////////////////
 package org.apache.flex.html.beads
 {
-       import org.apache.flex.core.IBead;
-       import org.apache.flex.core.IBeadModel;
-       import org.apache.flex.core.IDocument;
        import org.apache.flex.core.ISelectionModel;
-       import org.apache.flex.core.IStrand;
-       import org.apache.flex.core.UIBase;
        import org.apache.flex.events.IEventDispatcher;
        import org.apache.flex.events.Event;
        import org.apache.flex.collections.ArrayList;
-       
-       /**
+    import org.apache.flex.html.supportClasses.DataProviderNotifierBase;
+
+    /**
         *  The DataProviderChangeNotifier notifies listeners when a selection 
model's
         *  ArrayList dataProvider has changed.
         *  
@@ -37,7 +33,7 @@ package org.apache.flex.html.beads
         *  @playerversion AIR 2.6
         *  @productversion FlexJS 0.0
         */
-       public class DataProviderChangeNotifier implements IBead, IDocument
+       public class DataProviderChangeNotifier extends DataProviderNotifierBase
        {
                /**
                 *  constructor.
@@ -51,144 +47,31 @@ package org.apache.flex.html.beads
                {
                }
                
-               protected var _dataProvider:ArrayList;
-               
-               private var _strand:IStrand;
-               
-               /**
-                *  @copy org.apache.flex.core.IBead#strand
-                *  
-                *  @langversion 3.0
-                *  @playerversion Flash 10.2
-                *  @playerversion AIR 2.6
-                *  @productversion FlexJS 0.0
-                */
-               public function set strand(value:IStrand):void
+               override protected function 
destinationChangedHandler(event:Event):void
                {
-                       _strand = value;
-                       
-                       if (_strand[destinationPropertyName] == null) {
-                               var model:IBeadModel = UIBase(_strand).model as 
IBeadModel;
-                               
IEventDispatcher(model).addEventListener(changeEventName, 
destinationChangedHandler);
-                       }
-                       else {
-                               destinationChangedHandler(null);
-                       }
-               }
-               
-               private function destinationChangedHandler(event:Event):void
-               {
-                       if (_dataProvider == null) {
+                       if (dataProvider == null)
+                       {
                                var object:Object = document[sourceID];
-                               _dataProvider = object[propertyName] as 
ArrayList;
+                               dataProvider = object[propertyName] as 
ArrayList;
                        }
-                       else {
-                               _dataProvider.removeEventListener("itemAdded", 
handleItemAdded);
-                               
_dataProvider.removeEventListener("itemRemoved", handleItemRemoved);
-                               
_dataProvider.removeEventListener("itemUpdated", handleItemUpdated);
+                       else
+                       {
+                dataProvider.removeEventListener("itemAdded", 
handleDataProviderChanges);
+                dataProvider.removeEventListener("itemRemoved", 
handleDataProviderChanges);
+                dataProvider.removeEventListener("itemUpdated", 
handleDataProviderChanges);
+                dataProvider.removeEventListener("collectionChanged", 
handleDataProviderChanges);
                        }
-                       
-                       _dataProvider.addEventListener("itemAdded", 
handleItemAdded);
-                       _dataProvider.addEventListener("itemRemoved", 
handleItemRemoved);
-                       _dataProvider.addEventListener("itemUpdated", 
handleItemUpdated);
-               }
-               
-               protected var document:Object;
-               
-               /**
-                * @private
-                */
-               public function setDocument(document:Object, id:String = 
null):void
-               {
-                       this.document = document;
-               }
-               
-               private var _destinationPropertyName:String;
-               
-               public function get destinationPropertyName():String
-               {
-                       return _destinationPropertyName;
-               }
-               public function set destinationPropertyName(value:String):void
-               {
-                       _destinationPropertyName = value;
-               }
-               
-               private var _changeEventName:String;
-               
-               public function get changeEventName():String
-               {
-                       return _changeEventName;
-               }
-               public function set changeEventName(value:String):void
-               {
-                       _changeEventName = value;
-               }
-               
-               private var _sourceID:String;
-               
-               /**
-                *  The ID of the object holding the ArrayList, usually a model.
-                *  
-                *  @langversion 3.0
-                *  @playerversion Flash 10.2
-                *  @playerversion AIR 2.6
-                *  @productversion FlexJS 0.0
-                */
-               public function get sourceID():String
-               {
-                       return _sourceID;
-               }
-               public function set sourceID(value:String):void
-               {
-                       _sourceID = value;
-               }
-               
-               private var _propertyName:String;
-               
-               /**
-                *  The property in the sourceID that is the ArrayList.
-                *  
-                *  @langversion 3.0
-                *  @playerversion Flash 10.2
-                *  @playerversion AIR 2.6
-                *  @productversion FlexJS 0.0
-                */
-               public function get propertyName():String
-               {
-                       return _propertyName;
-               }
-               
-               public function set propertyName(value:String):void
-               {
-                       _propertyName = value;
-               }
-               
-               /**
-                * @private
-                */
-               private function handleItemAdded(event:Event):void
-               {
-                       var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
-                       selectionModel.dispatchEvent(new 
Event("dataProviderChanged"));
+
+            dataProvider.addEventListener("itemAdded", 
handleDataProviderChanges);
+            dataProvider.addEventListener("itemRemoved", 
handleDataProviderChanges);
+            dataProvider.addEventListener("itemUpdated", 
handleDataProviderChanges);
+            dataProvider.addEventListener("collectionChanged", 
handleDataProviderChanges);
                }
-               
-               /**
-                * @private
-                */
-               private function handleItemRemoved(event:Event):void
-               {
-                       var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
-                       selectionModel.dispatchEvent(new 
Event("dataProviderChanged"));
-               }
-               
-               /**
-                * @private
-                */
-               private function handleItemUpdated(event:Event):void
+
+               private function handleDataProviderChanges(event:Event):void
                {
-                       var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
-                       selectionModel.dispatchEvent(new 
Event("dataProviderChanged"));
+            var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
+            selectionModel.dispatchEvent(new Event("dataProviderChanged"));
                }
        }
 }

http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/b3cd50eb/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderCollectionChangeNotifier.as
----------------------------------------------------------------------
diff --git 
a/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderCollectionChangeNotifier.as
 
b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderCollectionChangeNotifier.as
new file mode 100644
index 0000000..2d58795
--- /dev/null
+++ 
b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderCollectionChangeNotifier.as
@@ -0,0 +1,71 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  Licensed to the Apache Software Foundation (ASF) under one or more
+//  contributor license agreements.  See the NOTICE file distributed with
+//  this work for additional information regarding copyright ownership.
+//  The ASF licenses this file to You under the Apache License, Version 2.0
+//  (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.apache.org/licenses/LICENSE-2.0
+//
+//  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 org.apache.flex.html.beads
+{
+       import org.apache.flex.core.ISelectionModel;
+       import org.apache.flex.events.IEventDispatcher;
+       import org.apache.flex.events.Event;
+       import org.apache.flex.collections.ArrayList;
+    import org.apache.flex.html.supportClasses.DataProviderNotifierBase;
+
+    /**
+        *  The DataProviderCollectionChangeNotifier notifies listeners when a 
selection model's
+        *  ArrayList dataProvider disptached collectionChanged event.
+        *  
+        *  @langversion 3.0
+        *  @playerversion Flash 10.2
+        *  @playerversion AIR 2.6
+        *  @productversion FlexJS 0.0
+        */
+       public class DataProviderCollectionChangeNotifier extends 
DataProviderNotifierBase
+       {
+               /**
+                *  constructor.
+                *  
+                *  @langversion 3.0
+                *  @playerversion Flash 10.2
+                *  @playerversion AIR 2.6
+                *  @productversion FlexJS 0.0
+                */
+               public function DataProviderCollectionChangeNotifier()
+               {
+               }
+               
+               override protected function 
destinationChangedHandler(event:Event):void
+               {
+                       if (dataProvider == null)
+                       {
+                               var object:Object = document[sourceID];
+                               dataProvider = object[propertyName] as 
ArrayList;
+                       }
+                       else
+                       {
+                dataProvider.removeEventListener("collectionChanged", 
handleCollectionChanged);
+                       }
+
+            dataProvider.addEventListener("collectionChanged", 
handleCollectionChanged);
+               }
+
+               private function handleCollectionChanged(event:Event):void
+               {
+            var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
+            selectionModel.dispatchEvent(new Event("dataProviderChanged"));
+               }
+       }
+}

http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/b3cd50eb/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderItemsChangeNotifier.as
----------------------------------------------------------------------
diff --git 
a/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderItemsChangeNotifier.as
 
b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderItemsChangeNotifier.as
new file mode 100644
index 0000000..eee1990
--- /dev/null
+++ 
b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/beads/DataProviderItemsChangeNotifier.as
@@ -0,0 +1,95 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  Licensed to the Apache Software Foundation (ASF) under one or more
+//  contributor license agreements.  See the NOTICE file distributed with
+//  this work for additional information regarding copyright ownership.
+//  The ASF licenses this file to You under the Apache License, Version 2.0
+//  (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.apache.org/licenses/LICENSE-2.0
+//
+//  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 org.apache.flex.html.beads
+{
+       import org.apache.flex.core.ISelectionModel;
+       import org.apache.flex.events.IEventDispatcher;
+       import org.apache.flex.events.Event;
+       import org.apache.flex.collections.ArrayList;
+       import org.apache.flex.events.CollectionEvent;
+    import org.apache.flex.html.supportClasses.DataProviderNotifierBase;
+
+    /**
+        *  The DataProviderItemsChangeNotifier notifies listeners when to 
selection model's
+        *  ArrayList dataProvider item has been added, removed or updated.
+        *  
+        *  @langversion 3.0
+        *  @playerversion Flash 10.2
+        *  @playerversion AIR 2.6
+        *  @productversion FlexJS 0.0
+        */
+       public class DataProviderItemsChangeNotifier extends 
DataProviderNotifierBase
+       {
+               /**
+                *  constructor.
+                *  
+                *  @langversion 3.0
+                *  @playerversion Flash 10.2
+                *  @playerversion AIR 2.6
+                *  @productversion FlexJS 0.0
+                */
+               public function DataProviderItemsChangeNotifier()
+               {
+               }
+
+               private function destinationChangedHandler(event:Event):void
+               {
+                       if (dataProvider == null) {
+                               var object:Object = document[sourceID];
+                               dataProvider = object[propertyName] as 
ArrayList;
+                       }
+                       else {
+                               
dataProvider.removeEventListener(CollectionEvent.ITEM_ADDED, handleItemAdded);
+                               
dataProvider.removeEventListener(CollectionEvent.ITEM_REMOVED, 
handleItemRemoved);
+                               
dataProvider.removeEventListener(CollectionEvent.ITEM_UPDATED, 
handleItemUpdated);
+                       }
+                       
+                       
dataProvider.addEventListener(CollectionEvent.ITEM_ADDED, handleItemAdded);
+                       
dataProvider.addEventListener(CollectionEvent.ITEM_REMOVED, handleItemRemoved);
+            dataProvider.addEventListener(CollectionEvent.ITEM_UPDATED, 
handleItemUpdated);
+               }
+
+               /**
+                * @private
+                */
+               private function handleItemAdded(event:CollectionEvent):void
+               {
+                       var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
+                       selectionModel.dispatchEvent(event.cloneEvent() as 
CollectionEvent);
+               }
+               
+               /**
+                * @private
+                */
+               private function handleItemRemoved(event:CollectionEvent):void
+               {
+                       var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
+                       selectionModel.dispatchEvent(event.cloneEvent() as 
CollectionEvent);
+               }
+
+        /**
+         * @private
+         */
+        private function handleItemUpdated(event:CollectionEvent):void
+        {
+            var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
+            selectionModel.dispatchEvent(event.cloneEvent() as 
CollectionEvent);
+        }
+       }
+}

http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/b3cd50eb/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/supportClasses/DataProviderNotifierBase.as
----------------------------------------------------------------------
diff --git 
a/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/supportClasses/DataProviderNotifierBase.as
 
b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/supportClasses/DataProviderNotifierBase.as
new file mode 100644
index 0000000..853fbb9
--- /dev/null
+++ 
b/frameworks/projects/HTML/src/main/flex/org/apache/flex/html/supportClasses/DataProviderNotifierBase.as
@@ -0,0 +1,175 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  Licensed to the Apache Software Foundation (ASF) under one or more
+//  contributor license agreements.  See the NOTICE file distributed with
+//  this work for additional information regarding copyright ownership.
+//  The ASF licenses this file to You under the Apache License, Version 2.0
+//  (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.apache.org/licenses/LICENSE-2.0
+//
+//  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 org.apache.flex.html.beads
+{
+       import org.apache.flex.core.IBead;
+       import org.apache.flex.core.IBeadModel;
+       import org.apache.flex.core.IDocument;
+       import org.apache.flex.core.ISelectionModel;
+       import org.apache.flex.core.IStrand;
+       import org.apache.flex.core.UIBase;
+       import org.apache.flex.events.IEventDispatcher;
+       import org.apache.flex.events.Event;
+       import org.apache.flex.collections.ArrayList;
+       
+       /**
+        *  The DataProviderChangeNotifier notifies listeners when a selection 
model's
+        *  ArrayList dataProvider has changed.
+        *  
+        *  @langversion 3.0
+        *  @playerversion Flash 10.2
+        *  @playerversion AIR 2.6
+        *  @productversion FlexJS 0.0
+        */
+       public class DataProviderChangeNotifier implements IBead, IDocument
+       {
+               /**
+                *  constructor.
+                *  
+                *  @langversion 3.0
+                *  @playerversion Flash 10.2
+                *  @playerversion AIR 2.6
+                *  @productversion FlexJS 0.0
+                */
+               public function DataProviderChangeNotifier()
+               {
+               }
+               
+               protected var _dataProvider:ArrayList;
+               
+               private var _strand:IStrand;
+               
+               /**
+                *  @copy org.apache.flex.core.IBead#strand
+                *  
+                *  @langversion 3.0
+                *  @playerversion Flash 10.2
+                *  @playerversion AIR 2.6
+                *  @productversion FlexJS 0.0
+                */
+               public function set strand(value:IStrand):void
+               {
+                       _strand = value;
+                       
+                       if (_strand[destinationPropertyName] == null) {
+                               var model:IBeadModel = UIBase(_strand).model as 
IBeadModel;
+                               
IEventDispatcher(model).addEventListener(changeEventName, 
destinationChangedHandler);
+                       }
+                       else {
+                               destinationChangedHandler(null);
+                       }
+               }
+               
+               private function destinationChangedHandler(event:Event):void
+               {
+                       if (_dataProvider == null) {
+                               var object:Object = document[sourceID];
+                               _dataProvider = object[propertyName] as 
ArrayList;
+                       }
+                       else {
+                               _dataProvider.removeEventListener("itemAdded", 
handleDataProviderChanges);
+                               
_dataProvider.removeEventListener("itemRemoved", handleDataProviderChanges);
+                               
_dataProvider.removeEventListener("itemUpdated", handleDataProviderChanges);
+                _dataProvider.removeEventListener("collectionChanged", 
handleDataProviderChanges);
+                       }
+                       
+                       _dataProvider.addEventListener("itemAdded", 
handleDataProviderChanges);
+                       _dataProvider.addEventListener("itemRemoved", 
handleDataProviderChanges);
+                       _dataProvider.addEventListener("itemUpdated", 
handleDataProviderChanges);
+                       _dataProvider.addEventListener("collectionChanged", 
handleDataProviderChanges);
+               }
+               
+               protected var document:Object;
+               
+               /**
+                * @private
+                */
+               public function setDocument(document:Object, id:String = 
null):void
+               {
+                       this.document = document;
+               }
+               
+               private var _destinationPropertyName:String;
+               
+               public function get destinationPropertyName():String
+               {
+                       return _destinationPropertyName;
+               }
+               public function set destinationPropertyName(value:String):void
+               {
+                       _destinationPropertyName = value;
+               }
+               
+               private var _changeEventName:String;
+               
+               public function get changeEventName():String
+               {
+                       return _changeEventName;
+               }
+               public function set changeEventName(value:String):void
+               {
+                       _changeEventName = value;
+               }
+               
+               private var _sourceID:String;
+               
+               /**
+                *  The ID of the object holding the ArrayList, usually a model.
+                *  
+                *  @langversion 3.0
+                *  @playerversion Flash 10.2
+                *  @playerversion AIR 2.6
+                *  @productversion FlexJS 0.0
+                */
+               public function get sourceID():String
+               {
+                       return _sourceID;
+               }
+               public function set sourceID(value:String):void
+               {
+                       _sourceID = value;
+               }
+               
+               private var _propertyName:String;
+               
+               /**
+                *  The property in the sourceID that is the ArrayList.
+                *  
+                *  @langversion 3.0
+                *  @playerversion Flash 10.2
+                *  @playerversion AIR 2.6
+                *  @productversion FlexJS 0.0
+                */
+               public function get propertyName():String
+               {
+                       return _propertyName;
+               }
+               
+               public function set propertyName(value:String):void
+               {
+                       _propertyName = value;
+               }
+
+               private function handleDataProviderChanges(event:Event):void
+               {
+            var selectionModel:ISelectionModel = 
_strand.getBeadByType(ISelectionModel) as ISelectionModel;
+            selectionModel.dispatchEvent(new Event("dataProviderChanged"));
+               }
+       }
+}

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