Basically you use the template to create the *inline* javascript which
instantiates the javascript widget object. It isn't pretty, but I think
its the only way to get the data into the javascript world without
resorting to dynamic generated .js files.
Eg:
class Progressbar(Widget):
""" Shows the status of a long running process.
"""
template = """<div id="${id}" class="progressbar"
xmlns:py="http://purl.org/kid/ns#";>
<span class="bar" style="width: ${width}">${width}</span>
<script language="JavaScript"
type="text/JavaScript">progressbar${id} = new Progressbar( "${id}",
"${controller}", ${polling_interval})</script>
</div>"""
params = ["controller", "id", "polling_interval", "width"]
id = 'default'
polling_interval = 'dynamic'
width = "0%"
controller = ""
javascript = [mochikit,
JSLink("progressbar.javascript","progressbar.js")]
css = [CSSLink("progressbar.css","progressbar.css")]
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