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JqPlotPluginDev Discussion: Page for developer collaboration, enhancement requests, patches and improved versions on JqPlotPlugin contributed by the TWikiCommunity.
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Feedback on JqPlotPlugin

-- MahiroAndo - 2012-11-14

Thank you Mahiro for contributing this plugin!

I created supporting topics JqPlotPluginDev, JqPlotPluginAppraisal and Support.JqPlotPlugin. I also tagged the plugin topic.

-- PeterThoeny - 2012-11-14

The plugin works fine here for data inside thelocal TWIki realm. One of users has requested to include a JSON file from another domain. Is there any precondition to being able to read a JSON file that is hosted at an server outside the realm of Twiki domain ? This is an example code:

<div id='chart_r' style='height:280px; width: 500px;'></div>
<script>
$.getJSON('http://www.anotherdomain.com/test.json', function (data) {
$.jqplot('chart_r', [data.test, data.troll]);
});
</script>

-- Peter Jones - 2013-07-17

Hi Peter Jones,

That's an interesting use case. In our company, we have a kind of generic way to work around the cross-domain issue with a custom script connect under TWiki cgi-bin, so you can write:

$.getJSON('%SCRIPTURLPATH{connect}%?url=http://www.anotherdomain.com/test.json', ...);

It can be implemented with TWiki::Func::getExternalResource($url, [], {handlers => {...}}) where

handlers => {
  response_header => sub {print $_[0]->headers->as_string, "\n"; return},
  response_data => sub {print $_[3]; return 1},
};

Alternatively, the below may work:

<script>
var data = $.parseJSON('%INCLUDE{"http://www.anotherdomain.com/test.json"}%');
$.jqplot('chart_r', [data.test, data.troll]);
</script>

Hope this helps.

-- Mahiro Ando - 2013-07-18

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Topic revision: r3 - 2013-07-18 - MahiroAndo
 
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