widgettest.html
===============
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml";
xmlns:py="http://genshi.edgewall.org/";
xmlns:xi="http://www.w3.org/2001/XInclude";>
<xi:include href="master.html" />
<head>
<meta content="text/html; charset=UTF-8" http-equiv="content-type"
py:replace="''"/>
<title>Widget Test</title>
</head>
<body>
<h1>Test A Dojo Chart Widget</h1>
<br/>
<!--
<p py:content="form.display(submit_text='Yes')">Widget Form</p>
UndefinedError: "tg" not defined
-->
<!--${tmpl_context.testwidget} here or inside div, no joy -->
<div id="testUpdating" style="width: 300px; height: 300px;">
This text will be replaced by a chart, I hope...
${tmpl_context.testwidget}
</div>
</body>
</html>
=======
If I try this (in <head> or in <body>):
<title>Widget Test</title>
<script type="text/javascript">
${tmpl_context.testwidget.javascript}
</script>
</head>
I get:
Module genshi.template.eval:321 in lookup_attr
__traceback_hide__ True
cls <class 'genshi.template.eval.StrictLookup'>
key 'javascript'
owner ''
view
UndefinedError: '' has no member named "javascript"
The same error occurs if I go ${tmpl_context.testwidget.display()}
Why is Genshi looking for member "javascript" in '' (ie. the empty
string?) Obviously '' has no members but surely my testwidget should?
>BTW, in my example I used the modname/filenam-variant. Why did you
>change it? And did it work for you?
Yes, as with ${tmpl_context.testwidget} or ${pylons.c.testwidget},
they seem to be interchangeable. Neither threw an error so I reverted
to the simpler looking relative path, presuming that the default
location of index.html is myproj/mypkg/public.
#javascript = [ JSLink(link=url('/js/chart.js')) ]
javascript = [ JSLink(modname=__name__, filename='public/js/
chart.js') ]
>Again this seems to be some exercise in genetic programming.
Mine is indeed a genetic algorithms project. How you've twigged to
this already, I'm not quite sure :-}
>self.add_jall("""$(document).ready(function() {
> $("#%s").do_something();
>
>})""" % d.id)
As one might guess from my moniker, I'm more comfortable with the
database side of things than the front end. In my case however the
Dojo chart.js script links methinks to <div id="testUpdating" and
the do_something() is a function in chart.js but what's $(document)?
>And where does the "javascript" come from?
I thought this was a class attribute of tw.api.widget
"javascript
A list of tw.api.JSLink or tw.api.JSSource instances that the
widget should register for injection in the page whenever it is
displayed"
>Both the widget and the controller share the same template?
Ah, ha! How else is it supposed to work? I thought using the same
name, ie. "pkg.templates.widgettest", was a necessary link between
two otherwise disparate pieces of code. There's no HTML associated
with my widget per se. The Dojo is all just functions. So do I need
a dummy form to set an action on where action="do_something()"?
> - unless you have a js-named controller on your root, and a
> chart_js-action on that
Or maybe, this is what I need to do. What's a js-named controller?
What's a chart_js-action?
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