[
https://issues.apache.org/jira/browse/FLEX-35227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Devsena updated FLEX-35227:
---------------------------
Description:
Bracketed data binding to UI component do not works properly in FlexJS 0.8.0
nightly build SDK.
*Works*
{code}
<js:Label id="lbl" text="{anyClass.fieldA}" width="300"/>
{code}
*Do not works*
{code}
<js:Label text="{anyClass.fieldB.fieldC}" width="300"/>
{code}
Binding to UI component seems do not works when there are multiple reference,
i.e. _class.field.field_. Following are the snippets of the codes which I used
in this test:
*InitialView MXML file*
{code}
[Bindable] private var anyClass:ClassA = new ClassA();
protected function onTextInputChangeA(event:org.apache.flex.events.Event):void
{
anyClass.fieldA = myTI1.text;
}
protected function onTextInputChangeB(event:org.apache.flex.events.Event):void
{
anyClass.fieldB.fieldC = myTI2.text;
}
...
<js:VContainer width="500">
...
<js:TextInput id="myTI1" text="Change Value.."
change="onTextInputChangeA(event)"/>
<js:Label id="lbl" text="{anyClass.fieldA}" width="300"/>
</js:VContainer>
<js:VContainer width="500">
...
<js:TextInput id="myTI2" text="Change Value.."
change="onTextInputChangeB(event)"/>
<js:Label text="{anyClass.fieldB.fieldC}" width="300"/>
</js:VContainer>
{code}
*ClassA*
{code}
public class ClassA extends EventDispatcher
{
[Bindable] public var fieldB:ClassB = new ClassB("Change Value..");
public function ClassA() { }
private var _fieldA:String = "Change Value..";
[Bindable("fieldAChanged")]
public function get fieldA():String
{
return _fieldA;
}
public function set fieldA(value:String):void
{
if (value != _fieldA)
{
_fieldA = value;
dispatchEvent(new Event("fieldAChanged"));
}
}
}
{code}
*ClassB*
{code}
[Bindable] public class ClassB extends EventDispatcher
{
public function ClassB(fieldC:String)
{
this.fieldC = fieldC;
}
private var _fieldC:String;
[Bindable(event="fieldCChanged")]
public function get fieldC():String
{
return _fieldC;
}
public function set fieldC(value:String):void
{
if (value != _fieldC)
{
_fieldC = value;
dispatchEvent(new Event("fieldCChanged"));
}
}
}
{code}
I've attached herewith the source to the test project. Please, take a look.
was:
While testing data-binding feature with FlexJS 0.8.0 nightly build SDK, I found
it's partially working between class and components. My component hierarchy
looks like this:
!hierarchy.png!
In above image,
- *component* is my _initialView_ to my FlexJS project
- *class* is just an actionScript class
- *fieldA* is a _String_ type of field with it's _get/set_ methods inside
*class*
- *fieldB* is another class type of object inside *class*
- *image* is a _String_ type of field with it's _get/set_ methods inside
*fieldB* class
When running my test project (source attached) it suppose to look like this in
browser HTML:
!poc.png!
- The first part *Change text in AnotherClass.fieldA field* has two components
- button and label
- Clicking on the button it changes value of *class.fieldA*
- The label component _text_ property is bindable to *class.fieldA*
- Second part of the POC *Change value in AnotherClass.fieldB.image* also has
two components - text input and label
- Text input _change_ method updates it's value to *class.fieldB.image* field
- The label component's _text_ property is bindable to *class.fieldB.image*
h3. Output when running as HTML in browser
- First part's label does changes it's text when clicking the button - binding
seems works fine
- Changing text in second part's text input component do not cause updating to
this part's label - although everything has requisite _[Bindable]_ metadata -
binding not works
So in a nutshell, binding to a component *works* when it bind to
{{class.field}}; but it *do not works* when it bind to
{{class.field.childField}}.
> [FlexJS] Data-binding partially working between class and components
> --------------------------------------------------------------------
>
> Key: FLEX-35227
> URL: https://issues.apache.org/jira/browse/FLEX-35227
> Project: Apache Flex
> Issue Type: Bug
> Affects Versions: Apache FlexJS 0.8.0
> Reporter: Devsena
> Attachments: POCSource.zip
>
>
> Bracketed data binding to UI component do not works properly in FlexJS 0.8.0
> nightly build SDK.
> *Works*
> {code}
> <js:Label id="lbl" text="{anyClass.fieldA}" width="300"/>
> {code}
> *Do not works*
> {code}
> <js:Label text="{anyClass.fieldB.fieldC}" width="300"/>
> {code}
> Binding to UI component seems do not works when there are multiple reference,
> i.e. _class.field.field_. Following are the snippets of the codes which I
> used in this test:
> *InitialView MXML file*
> {code}
> [Bindable] private var anyClass:ClassA = new ClassA();
> protected function onTextInputChangeA(event:org.apache.flex.events.Event):void
> {
> anyClass.fieldA = myTI1.text;
> }
>
> protected function onTextInputChangeB(event:org.apache.flex.events.Event):void
> {
> anyClass.fieldB.fieldC = myTI2.text;
> }
> ...
> <js:VContainer width="500">
> ...
> <js:TextInput id="myTI1" text="Change Value.."
> change="onTextInputChangeA(event)"/>
> <js:Label id="lbl" text="{anyClass.fieldA}" width="300"/>
> </js:VContainer>
> <js:VContainer width="500">
> ...
> <js:TextInput id="myTI2" text="Change Value.."
> change="onTextInputChangeB(event)"/>
> <js:Label text="{anyClass.fieldB.fieldC}" width="300"/>
> </js:VContainer>
> {code}
> *ClassA*
> {code}
> public class ClassA extends EventDispatcher
> {
> [Bindable] public var fieldB:ClassB = new ClassB("Change Value..");
>
> public function ClassA() { }
>
> private var _fieldA:String = "Change Value..";
> [Bindable("fieldAChanged")]
> public function get fieldA():String
> {
> return _fieldA;
> }
>
> public function set fieldA(value:String):void
> {
> if (value != _fieldA)
> {
> _fieldA = value;
> dispatchEvent(new Event("fieldAChanged"));
> }
> }
> }
> {code}
> *ClassB*
> {code}
> [Bindable] public class ClassB extends EventDispatcher
> {
> public function ClassB(fieldC:String)
> {
> this.fieldC = fieldC;
> }
>
> private var _fieldC:String;
>
> [Bindable(event="fieldCChanged")]
> public function get fieldC():String
> {
> return _fieldC;
> }
>
> public function set fieldC(value:String):void
> {
> if (value != _fieldC)
> {
> _fieldC = value;
> dispatchEvent(new Event("fieldCChanged"));
> }
> }
> }
> {code}
> I've attached herewith the source to the test project. Please, take a look.
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