[richfaces-issues] [JBoss JIRA] Commented: (RF-10056) rich:dropTarget - JavaScript error on drop when acceptedTypes/render specified by EL

[Anton Belevich (JIRA)]

    [ https://issues.jboss.org/browse/RF-10056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12572538#comment-12572538 ] 

Anton Belevich commented on RF-10056:
-------------------------------------

'acceptedTypes' attribute checking on null is added. Since 'acceptedTypes' is optional it could be null. In this case all types are accepted. 
Lukas, I've noticed a bug in Metamer application: in <rich:dropTarget> component richDragSourceBean is used for 'acceptedTypes' attribute. Since  'acceptedTypes' is a dropTarget component attribute you should use richDropTargetBean instead. 

> rich:dropTarget - JavaScript error on drop when acceptedTypes/render specified by EL
> ------------------------------------------------------------------------------------
>
>                 Key: RF-10056
>                 URL: https://issues.jboss.org/browse/RF-10056
>             Project: RichFaces
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: component-drag/drop
>    Affects Versions: 4.0.0.Milestone5
>         Environment:     * RichFaces 4.0.0-SNAPSHOT r.20682
>     * Metamer 4.0.0-SNAPSHOT r.20684
>     * Mojarra 2.0.3-FCS
>     * Apache Tomcat 6.0.29
>     * OpenJDK Runtime Environment 1.6.0_20-b20 @ Linux
>     * Firefox 3.6.13 @ Linux x86_64
>            Reporter: Lukas Fryc
>            Assignee: Anton Belevich
>             Fix For: 4.0.0.CR1
>
>
> The Metamer drag-n-drop sample [1] doesn't work due to JavaScript error:
> object is null
> http://localhost:8080/metamer/faces/javax.faces.resource/jquery.js
> Line 620
> when acceptedTypes set by EL like this:
> acceptedTypes="#{richDragBehaviorBean.attributes['acceptedTypes'].value}"
> but works with the same data using
> acceptedTypes="drg1, drg2" 
> the similar situation for EL specification of render:
> render="#{richDragBehaviorBean.attributes['render'].value}"
> doesn't cause rerendering (EL internally provides Collection - this principle works for a4j:ajax), however following works
> render="droppedValues" 
> [1] http://localhost:8080/metamer/faces/components/richDropTarget/simple.xhtml

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