[xwiki-dev] How to create own tags in xwiki?

[kinslayer]

Hi,

your answers was really very useful and I have created some new tags
with Radeox.
But I have other problem now.

I need to print list of attachments (only current document) in my radeox
macro.

I tried combine radeox macro and standard XWikiPluginInterface, but it
didn't work.
I wrote something like this:

public void execute(Writer writer, MacroParameter params)
throws IllegalArgumentException, IOException 
{
   ...
// attachment.print() is metod, which print returns some String and is
created in attachmentPluginApi
str.append("$xwiki.attachment.print()"); 
writer.write(str.toString());     
   ...
}


This my solution really print only text "$xwiki.attachment.print()".

XWikiPlugin I created some way like is writen in:
http://www.xwiki.org/xwiki/bin/view/DevGuide/CreatingPlugins

and syntax $xwiki.attachment.print() work in wiki document, but it doesn't 
work in my radeox macro.

Is it some solution of this problem?

- Honza



hritcu wrote:
> 
> On 4/3/07, kinslayer <kinslayer at centrum.cz> wrote:
>>
>> Hi,
>>
>> thank you for your answer. I've already looked to links you sent
>> and so you thing the best way to create own tags is Radeox Macros?
>>
> Your question gave me the impression you want to use Radeox syntax. I
> don't really know whether this is the best option to extend the xwiki
> syntax. What do the others think? What are the current alternatives?
> Would Velocity be better suited for this scenario?
> 
>> Unfortunately I still don't see, where is the part, where I can render
>> syntax of wiki and find my new tags in this text?
>>
> You don't parse the Radeox syntax yourself. Radeox does this and
> delivers the result to the appropriate macro in the form of a
> MacroParameter object, which despite it's name contains the values of
> ALL parameters of your macro invocation.
> 
>> For Example SVGMacro:
>> If I grasp the significance SVGMacro well. Syntax of this tag
>> is {svg:image|height|width}.
> Yes. And this is the code that reads the values of these parameters
> 
>         /* {svg:image|height|width} */
>         StringBuffer str = new StringBuffer();
>         String text = params.get("text", 0);
>         String height = params.get("height", 1);
>         if ((height==null)||("none".equals(height))) {
>         	height = "400";
>         }
>         String width = params.get("width", 2);
> 
> and then uses them to generate the appropriate markup. This is the way
> this extension mechanism is supposed to work.
> 
>> But I still can not see, where is this
>> syntax checked?Can you write me which part or method do this?
>>
> The syntax is checked by Radeox internally. If you need to change how
> Radeox works internally in order to implement your extension, then I
> don't think this is the best to extend in the first place.
> 
>> My idea is to create some tags for our municipal office.
>> For example:
>> We need some tag, for example {munboard} with this syntax
>> {muboard:$message:$datetime}, where $message is text, which
>> shouldn't  be displayed when $datetime timeout.
>>
> I don't see any reason why you can't just test the value of the
> datetime parameter in your Macro. Depending on it's value (after some
> more parsing probably) you could decide to generate some markup
> containing the message, or no markup at all in case the timeout has
> expired. Once again, there might be ways other than Radeox Macros to
> do this, but I don't see why this wouldn't be really simple should you
> want to use Radeox.
> 
>> In the end I like to say thank you very much for your help
>> and sorry for my bad English. :-)
>>
> 
> Regards,
> Catalin
> 
>> hritcu wrote:
>> >
>> > Hi,
>> >
>> > Please have a look at the Custom Syntax with Radeox Macros section
>> > from this post:
>> > http://hritcu.wordpress.com/2007/03/13/xwiki-plugins-tips-and-tricks/
>> >
>> > For more examples have a look at the source code of existing plugins:
>> >
>> http://svn.forge.objectweb.org/cgi-bin/viewcvs.cgi/xwiki/xwiki/trunk/core/src/main/java/com/xpn/xwiki/plugin/svg/SVGMacro.java?view=markup&rev=1387
>> > or
>> >
>> http://svn.forge.objectweb.org/cgi-bin/viewcvs.cgi/xwiki/xwiki/trunk/core/src/main/java/com/xpn/xwiki/plugin/charts/ChartingMacro.java?view=markup&rev=1387
>> >
>> > If you still have more questions please ask them here.
>> >
>> > Regards,
>> > Catalin
>> >
>> >
>> > On 4/2/07, kinslayer <kinslayer at centrum.cz> wrote:
>> >>
>> >> Hi,
>> >>
>> >> I don't understand how to create plugin with my own tags in xwiki.
>> >> I would like to create some tags - something like {table} ....
>> {table},
>> >> but I don't know how to render xwiki text with plugin.
>> >>
>> >> Can anybody help me?
>> >>
>> >> In fact is it even possible to write this plugin with
>> >> XWikiDefaultPlugin/XWikiPluginInterface?
>> >>
>> >> It would be great if somebody be able to publish plugin which
>> >> implementing
>> >> new tags
>> >> or write me the instruction what I have to do.
>> >>
>> >> Thank you.
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> View this message in context:
>> >>
>> http://www.nabble.com/How-to-create-own-tags-in-xwiki--tf3504145.html#a9786314
>> >> Sent from the XWiki- Dev mailing list archive at Nabble.com.
>> >>
>> >>
>> >>
>> >>
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>> >>
>> >
>> >
>> >
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>>
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> 
> 
> 
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