[Registry-dev] Custom UIs for media types

[Chathura C. Ekanayake]

Hi Paul,

I am working on a sample to demonstrate this functionality. I will 
update this thread once it is complete.

Thanks,
Chathura

Paul Fremantle wrote:
> Chathura
>
> What is the easiest way I can try this out?
>
> Paul
>
> Chathura C. Ekanayake wrote:
>   
>> I added the support for generating custom UIs using XSLT. This 
>> functionality is provided by the class XSLTBasedUIEnabledHandler, which 
>> is extended from UIEnabledHandler. Two XSLTs has to be written to 
>> generate view and edit UIs of the resource content. Then those two XSLTs 
>> can be provided as properties to the XSLTBasedUIEnabledHandler. Handler 
>> author should also provide an implementation of EditProcessor to process 
>> the user input given to the edit UI. Below is a sample configuration.
>>
>> <handler class="org.wso2.registry.jdbc.handlers.XSLTBasedUIEnabledHandler">
>>
>>         <property 
>> name="viewXSLT">/home/chathura/projects/reg-work/samples/view.xslt</property>
>>         <property 
>> name="editXSLT">/home/chathura/projects/reg-work/samples/edit.xslt</property>
>>
>>         <filter 
>> class="org.wso2.registry.jdbc.handlers.filters.MediaTypeMatcher">
>>             <property 
>> name="mediaType">application/vnd.server-config</property>
>>         </filter>
>>
>>         <edit 
>> processor="application/vnd.server-config">org.wso2.registry.jdbc.handlers.samples.custom.ServerConfigEditProcessor</edit>
>> </handler>
>>
>> This configuration provides custom UIs for server configuration files 
>> (identified by the media type application/vnd.server-config). Note that 
>> users don't have to write any handlers. But ServerConfigEditProcessor 
>> has to be written by the users.
>>
>> Thanks,
>> Chathura
>>
>> Chathura C. Ekanayake wrote:
>>     
>>> I have completed the first phase of this implementation. Custom UIs are 
>>> supported by UIEnabledHandler class, which is extended from Hanlder. 
>>> Handler authors should implement the UIEnabledHandler.getView(...) 
>>> method to provide a HTML for viewing the resource content. HTML for 
>>> editing the resource content has to be generated in the 
>>> UIEnabledHandler.getEdit(...) method. In this way, handler authors get 
>>> the flexibility to generate custom UIs using whatever method they prefer 
>>> and UIs can generated for any text based content type. I have tested a 
>>> sample with this implementation and it worked well.
>>>
>>> I am currently working on providing XSLT support for generating UIs. 
>>> This require some code in handlers with the current implementation. We 
>>> can generalize the XSLT code and provide a XSLT based UI handler, which 
>>> the users can use only by configuring the registry.xml.
>>>
>>> We also need some nice samples to demonstrate the custom UIs, which is 
>>> my next step.
>>>
>>> Thanks,
>>> Chathura
>>>
>>>
>>> _______________________________________________
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>>>
>>>   
>>>       
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>
>