Tree2 fails with NumberFormat Exception or Null Pointer Exception when
ExpandAll button is placed in the same form as Tree2 using RI
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Key: TOMAHAWK-671
URL: http://issues.apache.org/jira/browse/TOMAHAWK-671
Project: MyFaces Tomahawk
Issue Type: Bug
Components: Tree2
Affects Versions: 1.1.5-SNAPSHOT
Environment: WindowsXP, SUN JSF RI 1.1.02, Tomahawk 1.1.5
Reporter: Stan Laufik
When a button that executes HtmlTree.expandAll is put into the same <h:form>
then the Tree2 component after clicking on the button Tree2 throws NumberFormat
or NullPointer exception (depending on which build of Tomahawk is used).
On our system I have fixed it with teh following code:
package org.apache.myfaces.custom.tree2
class UITreeData
public void broadcast(FacesEvent event) throws AbortProcessingException
{
if (event instanceof FacesEventWrapper)
{
FacesEventWrapper childEvent = (FacesEventWrapper) event;
String currNodeId = getNodeId();
setNodeId(childEvent.getNodeId());
FacesEvent nodeEvent = childEvent.getFacesEvent();
nodeEvent.getComponent().broadcast(nodeEvent);
setNodeId(currNodeId);
return;
}
else if(event instanceof ToggleExpandedEvent)
{
ToggleExpandedEvent toggleEvent = (ToggleExpandedEvent) event;
if (toggleEvent.getNodeId() != null &&
!"null".equals(toggleEvent.getNodeId())) {
String currentNodeId = getNodeId();
setNodeId(toggleEvent.getNodeId());
toggleExpanded();
setNodeId(currentNodeId);
}
}
else
{
super.broadcast(event);
return;
}
}
The chanegd code first check if the node to be toggledis valid before it
performs the toggle.
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