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[protege-discussion] question about web protege layout configuration

Jack Elliott jack.elliott at
Tue Aug 31 09:25:42 PDT 2010

Hi Jie,

I certainly would expect the Changes Portlet to work in a user defined 
tab, but there are a few details in the configuration that we should be 
sure of. The controllingPortlet tag should be set properly. This element 
is should be added after your final columns element, before the closing 
</tab> tag.

It is important that the Class Tree Portlet be the first and only 
element in the first column defined in the xml until you're comfortable 
with the configuration process. If this is the case, then your 
controllingPortlet should look like this:

<controllingPortlet reference="../columns/column/portlets/portlet"/>

The controlling portlet tag 'points' to the Class Tree Portlet, which 
allows the other portlets to be driven from the selections made in that 
widget. You've almost certainly seen the page below, but I'm sending it 
through as it contains good configuration examples and a more detailed 
discussion of the controlling portlet:

The only advantage to using the predefined tab is that you don't have to 
configure the layout yourself. It is easier to use, but much less 
flexible than going with a user defined tab. I hope this has been helpful!



On 08/30/2010 03:13 PM, Jie Zheng wrote:
> I am working on changing the layout of the ontology projects displayed 
> on the WebProtege.
> In the WebProtege layout configuration wiki page, it listed some 
> predefined Tabs and Portlets. By using 
> “” Tab, I 
> can add whatever portlets I need in it. Therefore, is there any 
> advantage to use predefined tab? Is any restriction of Portlets can be 
> used in a given predefined Tab?
> I am interested to show the change history of the terms in my 
> ontology. The ontology with an associated annotation project. I added 
> a “” Tab 
> with two Portlets, 
> “edu.stanford.bmir.protege.web.client.ui.ontology.classes.ClassTreePortlet” 
> and 
> “edu.stanford.bmir.protege.web.client.ui.ontology.changes.ChangesPortlet”. 
> I changed the ontology entity by modifying definition and add a new 
> annotation property to it. But I did not see any changes recorded when 
> I view the change history tab. Did I make mistake in layout 
> configuration or this kind of changes won't be recorded?
> I found there is a predefined Tab related to change history which is 
> "edu.stanford.bmir.protege.web.client.ui.ontology.changeanalysis.ChangeAnalysisTab". 
> Shall I use that?
> Thanks for any help.
> Jie
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