On Dec 15, 2006, at 12:09 PM, Christopher Arndt wrote:
>
> [EMAIL PROTECTED] wrote:
>> I have a group of widgets that I would like to pass to all
>> templates in
>> my site. Do I have to include them in the return value of each of my
>> controllers (possibly using a decorator)? Or is there an easier way?
>
> Instantiate the widgets somewhere in your code and then include
> them in
> the tg.include_widgets config variable, like so:
>
> tg.include_widgets = [
> 'turbogears.mochikit',
> 'myproject.sitewidgets.mywidget',
> 'myproject.sitewidgets.myotherwidget'
> ]
>
>
> You can do this in your code without the need to touch the config
> files:
>
> from turbogears import config
>
> def register_widgets(widgets, pkg_name):
> """Include site-wide widgets on every page.
>
> 'widgets' is a list of widget instance names.
>
> Order of the widget names is important for proper inclusion
> of JavaScript and CSS.
>
> The named widget instances have to be instantiated in
> some of your modules.
>
> 'pkg_name' is the name of your Python module/package, in which
> the widget instances are defined.
> """
>
> # first get widgets listed in the config files
> include_widgets = config.get('tg.include_widgets', [])
> # then append given list of widgets
> for widget in widgets:
> include_widgets.append('%s.%s' % (pkg_name, widget))
> config.update({'global': {'tg.include_widgets':
> include_widgets}})
>
> _sitewidgets = [
> 'mywidget',
> 'myotherwidget'
> ]
>
> register_widgets(_sitewidgets, 'myproject.sitewidgets')
>
>
>> I tried importing and referencing them direct from my templates, but
>> javascript etc doesn't work :(
>
> Yes, the widgets must be either in the dict retrned from your
> controlller method or inluded in tg.include_widgets for the automatic
> inclusion of JS/CSS to work.
And to display them from your template reference them as "tg_%s" %
widget_instance_name. For example:
"myapp.this_widget" will be "tg_this_widget" in the template.
Alberto
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