[opencms-dev] Adding a user-defined relation

[Paul-Inge Flakstad]

Thanks! =D 

> -----Original Message-----
> From: opencms-dev-bounces at opencms.org 
> [mailto:opencms-dev-bounces at opencms.org] On Behalf Of Michael Moossen
> Sent: 26. august 2009 09:21
> To: The OpenCms mailing list
> Subject: Re: [opencms-dev] Adding a user-defined relation
> 
> Hi Paul-Inge!
> 
> great job!
> 
> -------------------
> Michael Moossen
> 
> Alkacon Software GmbH  - The OpenCms Experts
> http://www.alkacon.com - http://www.opencms.org
> 
> Paul-Inge Flakstad schrieb:
> > Self-replying. :-)
> >  
> > This was easy to do once I found out how, but actually 
> finding out how was
> > a little tricky. I couldn't find much on the web and had to 
> resolve to 
> > the old
> > "browse-the-source-code-you-f**ing-noob" to get a grip. I 
> haven't tested 
> > this
> > much, so I don't know if I'm actually doing it right, but so far it 
> > seems to
> > be working.
> > ---
> >  
> > To add a user-defined custom relation type, you'll have to edit 
> > opencms-vfs.xml.
> > (opencms-vfs.xml is one of OpenCms' configuration files, 
> and is found in:
> > $TOMCAT_HOME/webapps/$OPENCMS_WEBAPP_NAME/WEB-INF/config/)
> >  
> > Find the <resources> node in this file, and add your 
> relation inside it 
> > like this:
> >  
> > <resources>
> >     ....
> >     <relationtypes>
> >         <relationtype name="YOUR_RELATIONTYPE_NAME" 
> type="strong" /><!-- 
> > the type can be either strong or weak -->
> >     </relationtypes>
> >     ...
> > </resources>
> >  
> > (Note that the <relationtypes> element does not exist out 
> of the box. It 
> > does not
> > matter where you decide to put it, as long as it becomes an 
> "immediate 
> > child"
> > to the <resources> element. I placed mine directly after 
> </mimetypes>.)
> >  
> > In order for these changes to take effect, re-initialize OpenCms 
> > (restart Tomcat).
> >  
> > You can test that your new relation type exists by listing 
> all relation 
> > types.
> > Use a simple JSP like this one to do that:
> >  
> > <%@ page import="org.opencms.relations.*, java.util.*" 
> session="true" %>
> > <%
> > List relationTypesAll = CmsRelationType.getAll();
> > CmsRelationType rt = null;
> > Iterator i = relationTypesAll.iterator();
> > out.print("<ul>");
> > while (i.hasNext()) {
> >     rt = (CmsRelationType)i.next();
> >     out.print("<li>NAME: " + rt.getName() + ", TYPE: " + 
> rt.getType());
> > }
> > out.print("</ul>");
> > %>
> >  
> >  
> > To use a relation programatically:
> > CmsRelationType rt = 
> CmsRelationType.valueOf("YOUR_RELATIONTYPE_NAME");
> > yourCmsObjectInstance.addRelationToResource(fromResourcePath, 
> > toResourcePath, rt.getName());
> >  
> >  
> > Cheers,
> > Paul
> >  
> > 
> --------------------------------------------------------------
> ----------
> > *From:* opencms-dev-bounces at opencms.org 
> > [mailto:opencms-dev-bounces at opencms.org] *On Behalf Of 
> *Paul-Inge Flakstad
> > *Sent:* 25. august 2009 17:10
> > *To:* opencms-dev at opencms.org
> > *Subject:* [opencms-dev] Adding a user-defined relation
> > 
> >     Hello list!
> >      
> >     I've tried to add a user-defined relation to OpenCms using the
> >     following approaches:
> >     1.) in a JSP file by calling the constructor in
> >     org.opencms.relations.CmsRelationType.
> >     2.) by creating a module with an action class, and 
> calling the above
> >     mentioned constructor 
> >     from the action class' initialize-method.
> >      
> >     Approach 1.) produced an error.
> >     Approach 2.) did not produce any error, but when 
> getting the list of
> >     relation types from
> >     CmsRelationType.getAll(), my user-defined relation is not there.
> >     Also, trying to use
> >     my user-defined relation with addRelationToResource() 
> does not work.
> >     It gives an
> >     exception telling me that:
> >        
> >     The value "801" can not be parsed into an enum element of type
> >     "org.opencms.relations.CmsRelationType"
> >      
> >     (Which btw is kinda interesting, sice I actually try to use the
> >     value "901", not "801", which is
> >     the ID I assigned my user-defined relation.)
> >      
> >     Is anyone able to tell me how to add a user-defined relation?
> >      
> >     Thanks,
> >     Paul
> > 
> > 
> > 
> --------------------------------------------------------------
> ----------
> > 
> > 
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