Re: [xwiki-users] Spatial Map Extension - xwiki-users@xwiki.org

20 May 2014

On Mon, May 19, 2014 at 10:20 PM, Danilo Amaral de Oliveira
&lt;danilo.oliveira(a)energisa.com.br&gt; wrote:
...
  Hello People,

 We are planning to develop an extension that will link and show the documents of a
specific wiki spacially allowing the user explore the page dynamically. The idea is
similar to the "Just map it" extension.

 Our first step was to look some javascript framework available to draw the relationships
that could work for us and we came to conclusion that the sigma.js or d3.js will work
fine...
 But, I am worried with the data connection, how can I parse the data from the DB to the
extension dynamically?

...
  Do you think the kind of webservice bellow could
work?
 dev.xwiki.org/xwiki/bin/view/Drafts/XWikiJSONWebServiceKickStart 
The direction is ok, but:

* you should use the 'get' action instead of 'view' to access the
webservice:

$xwiki.getURL('Main.WebService', 'get', $escapetool.url({
  'outputSyntax': 'plain',
  'limit': 10
}))

* the webservice should build the JSON in memory using plain Java
objects (maps, lists, strings, numbers, boolean) and then serialize
it. In Velocity you can use:

$jsontool.serialize({
  'foo': [1, 2, 3],
  'bar': {
    'color': 'red',
    enabled: true
  },
  'name': 'XWiki'
})

For writing the webservice I would start with Velocity and then move
to Groovy but only if really needed.

Hope this helps,
Marius

...

 Thank you!

 Grupo Energisa
 Danilo Oliveira
 Analista Suporte Aplicacao TI - DPTO CORP. DE INFRAESTR. TI
 e-mail: danilo.oliveira(a)energisa.com.br | tel: (32) 3429-6342 | cel: (32) 8452-9478

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