- Timestamp:
- 9 Jan 2010, 18:02:36 (15 years ago)
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-
- 1 edited
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waeup/branches/ulif-layout/src/waeup/viewlets.py
r4765 r4767 273 273 # We cannot simply replace local sites. 274 274 self.can_import = not ISite.providedBy(self.context) 275 276 class FormWrapMixin(object):277 """Mixin for viewlets that renders forms.278 279 XXX: Need tests for this.280 281 This is a mixin that provides some convenience features for282 viewlets that want to render forms, by overriding the default283 `render()` and `update()` methods.284 285 To create a viewlet that renders a form, you can define one as286 usual but also derive from this mixin-class.287 288 Say we have a usual form view like this::289 290 >>> import grok291 >>> class EditForm(grok.EditForm):292 ... grok.context(SomeType)293 ... grok.name('addsometype')294 ... form_fields = grok.AutoFields(IUniversity)295 ... @grok.action('Save')296 ... def save(self, **data):297 ... self.applyData(self.context, **data)298 ... return299 300 then we can create a viewlet that displays this view like this::301 302 >>> import grok303 >>> from waeup.viewlets import FormWrapMixin304 >>> class EditFormViewlet(FormWrapMixin, grok.Viewlet):305 ... grok.viewletmanager(MainArea)306 ... grok.context(ISomeType)307 ... grok.view(Manage)308 ... formview_name = 'addsometype'309 310 Here we define a regular viewlet with two modifications:311 312 * it is also derived from `FormWrapMixin` and313 314 * it provides an attribute ``formview_name`` which tells us, what315 form we want to be rendered in this viewlet. We tell the name of316 this form and not its class or similar.317 318 The associated view, context, viewletmanager, etc. can be set as319 with regular viewlets.320 321 """322 formview_name = None323 324 def update(self):325 self.form = getMultiAdapter((self.context, self.request),326 name=self.formview_name)327 self.form.update_form()328 329 def render(self):330 html_code = self.form.render()331 return getInnerHTMLPart(html_code)
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