Generate javascript dynamically

[Peter Sparkes <pe...@didm.co.uk>]

  Hi,

I am using Google maps and have to dynamically insert the parameters for the individual maps into 
the javascript. Using xslt I can generate the javascript within <script 
type="text/javascript"></script> tags in the html.

However, I wish to insert the javascript using <script src="maps/google.js" 
type="text/javascript"></script> and dynamically change the parameters within the google.js file. Is 
there any way to make this call invoke the sitemap so that google.js can be generated dynamically.

Thanks

Peter

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RE: Generate javascript dynamically

[Robby Pelssers <ro...@ciber.com>]

You can easily generate a dynamic javascript file on it's own with flowscript and jxtemplate

function generateGoogleMapsScript() {
   //maybe you need some sitemap or request parameters to build the script??
   //var sitemapParam1 = cocoon.parameters["sitemapParam1"];
   //var requestParam1 = cocoon.request.getParameter("requestParam1");
   var sb= new StringBuilder();
   //write your dynamic javascript function here
   cocoon.sendPage(
       "googleMapsJsTemplate",
       {
           "script": sb.toString()
       }
    );
}

the script jx-template:

<?xml version="1.0" encoding="UTF-8"?>
<jx:template xmlns:jx="http://apache.org/cocoon/templates/jx/1.0">${script}</jx:template>


Within your xslt you just include a call to a pipeline which will dynamically generate your googlemaps.js file

   <script type="text/javascript" src="myblock/googleMaps.js"> </script>


Your sitemap snippets:

      <map:match pattern="googleMaps.js">
        <map:call function="generateGoogleMapsScript" />
      </map:match>

      <map:match pattern="googleMapsJsTemplate">
        <map:generate src="path/to/googlemapsjxtemplate" type="jx"/>
        <map:serialize type="text"/>
      </map:match>



Something along these lines should work for you.

Kind regards,
Robby Pelssers


-----Oorspronkelijk bericht-----
Van: Peter Sparkes [mailto:peter@didm.co.uk]
Verzonden: di 28-9-2010 10:34
Aan: Cocoon users
Onderwerp: Generate javascript dynamically
 

  Hi,

I am using Google maps and have to dynamically insert the parameters for the individual maps into 
the javascript. Using xslt I can generate the javascript within <script 
type="text/javascript"></script> tags in the html.

However, I wish to insert the javascript using <script src="maps/google.js" 
type="text/javascript"></script> and dynamically change the parameters within the google.js file. Is 
there any way to make this call invoke the sitemap so that google.js can be generated dynamically.

Thanks

Peter

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