I am trying to adapt the Wonder example DragAndDropLists. The example has 2
drop areas with hard coded id. I need to provide 1 source drop area and several
destination drop areas. These are inside a WORepetition. I tried to use the
repetition loopvar (item binding) to create a unique id attribute but the app
crashes with a null pointer exception. Obviously even when the drop area is
inside the WORepetition the JavaScript functions in the background seem to
create/populate/whatever code/function upfront before the loop actually starts.
Any idea how I could create an id for the drop area?
Code currently looks something like this (just the relevant snippet):
<webobject name = "sectionsRepetition">
<webobject name = "assignedIndustryTechdocTypesDropArea">
<table style="border:solid 1 red">
<tr>
<td style="border:solid 1px red"><webobject name =
"sectionTitle" /></td>
</tr>
<tr>
with the bindings:
sectionsRepetition : WORepetition {
list = sectionsList;
item = sectionsLoopvar;
}
assignedIndustryTechdocTypesDropArea : AjaxDroppable {
id = assignedDropArea;
updateContainerID = "everythingUpdateContainer";
action = droppedOnAssignementArea;
droppedObject = droppedObject;
onComplete = onCompleteFunction;
}
and in the component:
public String assignedDropArea() {
return "assignedDropArea_" + sectionsLoopvar.shortText();
}
Crash is because sectionsLoopvar is null.
Thanks for any help
---markus---
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