class FormPage(rend.Page):
"""
Base class for pages that contain a Form.
XXX This really, really needs to turn into a ComponentPage that iterates
a bunch of component behaviours looking for something that succeeded.
The components probably needs to be per-interface, i.e IResource for
locateChild/renderHTTP, IRenderer for render_, etc.
"""
def __init__(self, *a, **k):
rend.Page.__init__(self, *a, **k)
self._formsComponent = FormsResourceBehaviour(parent=self)
def locateChild(self, ctx, segments):
def gotResult(result):
if result is not appserver.NotFound:
return result
return rend.Page.locateChild(self, ctx, segments)
d = defer.maybeDeferred(self._formsComponent.locateChild, ctx, segments)
d.addCallback(gotResult)
return d
def renderHTTP(self, ctx):
def gotResult(result):
if result is not None:
return result
return rend.Page.renderHTTP(self, ctx)
d = defer.maybeDeferred(self._formsComponent.renderHTTP, ctx)
d.addCallback(gotResult)
return d
def render_form(self, name):
return self._formsComponent.render_form(name)
def formFactory(self, ctx, name):
# Find the factory method
factory = getattr(self, 'form_%s'%name, None)
if factory is not None:
return factory(ctx)
# Try the super class
s = super(FormPage, self)
if hasattr(s,'formFactory'):
return s.formFactory(ctx, name)
def __init__(self, *a, **k):
rend.Page.__init__(self, *a, **k)
self._formsComponent = FormsResourceBehaviour(parent=self)
