Drag and Support behaving badly in 3.3.1CR2

[jdsuboy]

I updated my libraries to include 3.3.1CR2 and everything was working great, but I ran into some problems with Drag and Drop.

In 3.3.1, the DnD starts throwing errors and behaves bad. I am able to drag the first item OK, but when I try and drag another item an error dialogs pop up saying "Error: Object Required". I can suppress the error dialogs in IE7, in which case the dragged item will display the info for the last successful dragged item.

So if I drag the first item named "foo". It will work. Then when I try to drag a second item, "bar", it still shows foo's info.

This happens in IE7 and the built in browser in my eclipse IDE. FireFox does not have these issues.

If I put 3.3.0 back in place, then DnD works fine for all browsers.

[jdsuboy]

an update:

It appears the problem is in Richfaces.getNSAttribute in
a4j/g/3_3_1.CR2/org/ajax4jsf/framework.pack.js.jsf

the E variable is null, which is what is causing the Object not found error.

the call stack is something like this:
Richfaces.getNSAttribute
DnD.getDnDDefaultParams
DnD.getDnDMergedParams
DnD.getDnDDragParams

[nbelaevski]

Can you please post page/bean code to reproduce the issue?

[jdsuboy]

the following is just a code snippet for the tree node that i am using drag and drop support on.

I have been doing more tests and noticed that if I wrapped the rich:dndParam in rich:dragSupport tags and removed the dragType attribute from the treeNode, then it seems to be behaving better although the drop code stopped working. I am going to try and use dragSupport and dropSupport instead of the built in attributes and see where that leads.

<rich:tree switchType="ajax"
 id="probes"
 value="#{probeTree.root}"
 var="node"
 treeNodeVar="tnode"
 nodeSelectListener="#{probeTree.selectionListener}"
 adviseNodeSelected="#{probeTree.adviseNodeSelected}"
 ajaxSubmitSelection="true"
 reRender="information_view"
 nodeFace="#{node.type}"
 dragIndicator="treeDragIndicator"
 dropListener="#{probeTree.processDrop}"
 binding="#{probeTree.myTree}"
 selectedClass="treeSelected"
 >

...

<rich:treeNode type="configuration"
 iconLeaf="/images/generic_file.png"
 dragType="configuration">
 <h:outputText value="#{node.name}"/>
 <rich:contextMenu submitMode="none"
 onexpand="setSelection(event);">
 <rich:menuItem value="Delete"
 onclick="Richfaces.showModalPanel('confirmDelete')"
 rendered="#{node.id != -1}"/>
 </rich:contextMenu>
 <rich:dndParam name="label" type="drag">
 <h:panelGrid columns="2">
 <h:graphicImage value="/images/generic_file.png"/>
 <h:outputText value="#{node.name}"/>
 </h:panelGrid>
 </rich:dndParam>
</rich:treeNode>

[ilya_shaikovsky]

Modified the richfaces-demo tree-dnd sample code in order to have the same structure and tree settings and can't reproduce the problem.. could you please share complete war file to be run and checked?

[jdsuboy]

I was able to get it to work by using rich:dragSupport. I had to modify my onDrop code in my backing bean, but once I did that, it worked like a champ.

How would I get the war file to you?

[jdsuboy]

Dont worry too much about the problem.

I was able to fix the problem and since you couldn't reproduce it on your end, then it may have something to do with what I did in other parts of the tree/backing bean.

Thanks for taking your time to look into it!!!