[richfaces-issues] [JBoss JIRA] Created: (RF-1133) rich:datascroller does not reset when data model is changed

[henrik lindberg (JIRA)]

rich:datascroller does not reset when data model is changed
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                 Key: RF-1133
                 URL: http://jira.jboss.com/jira/browse/RF-1133
             Project: RichFaces
          Issue Type: Bug
    Affects Versions: 3.1.1
            Reporter: henrik lindberg
            Priority: Blocker


When the datamodel for a rich:dataTable is replaced with a new model the rich:datascroller still remembers its old page index.
Now, in order to make it work, I have to look up the UIData and set the index to 0 when I change the datamodel.

I would expect it to either be set to 0, or to the value of "first" attribute in the rich:dataTable when its model is changed.

This problem is blocking me from releasing my application - I have *many* affected datascrollers and doing the following for all of them would not be fun...

// how I reset the first value - perhaps there are beter ways to do this
		String id = "spaceForm:content_list";
		UIComponent comp = FacesContext.getCurrentInstance().getViewRoot().findComponent( id );
		if(comp == null)
			throw new IllegalArgumentException("Can not find component with id = '"+id+"'");
		if(!(comp instanceof UIData))
			throw new IllegalArgumentException("Id does not refer to a UIData instance");
		UIData uidata = (UIData)comp;
		uidata.setFirst(0);


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