class ButtonElement(Element):
"""
A button with an automatic Athena event handler.
"""
preprocessors = LiveElement.preprocessors
docFactory = loaders.stan(tags.button[athena.handler(event='onclick',
handler='handler')])
def _radios():
for choice in data.rtype.choices:
yield T.label(for_=choice)[choice]
yield T.input(type='radio', name='model-radio-%s' % hash(self),
value=choice, class_='model-radio')[
athena.handler(event='onclick', handler='changed')
]
yield T.br
def add_item(self, item):
k = unicode(str(hash(item)), 'ascii')
self._models.append(item)
self._labels[k] = Label(k)
self._labels[k].page = self.page
i = T.span(id=u'_%s' % k, style='{cursor: pointer}')[
athena.handler(event='onclick', handler='changed'),
self._labels[k]]
self._items.append(i)
def test_handlerMacro(self):
"""
Test that the handler macro rewrites athena:handler nodes to the
appropriate JavaScript.
"""
expectedOutput = ('return Nevow.Athena.Widget.handleEvent('
'this, "onclick", "bar");')
tag = tags.span[athena.handler(event='onclick', handler='bar')]
mutated = athena._rewriteEventHandlerToAttribute(tag)
output = flat.flatten(mutated)
self.assertEquals(output,
'<span onclick="' + expectedOutput + '"></span>')
class TestRunner(TestSuiteFragment):
jsClass = u'Nevow.Athena.Test.TestRunner'
docFactory = loaders.stan(
tags.div(_class='test-runner', render=tags.directive('liveFragment'))
[tags.form(action='#')[
athena.handler(event='onsubmit', handler='runWithDefaults'),
tags.input(type='submit', value='Run Tests')],
tags.div[tags.div[tags.div['Tests passed: ',
tags.span(_class='test-success-count')[0]],
tags.div['Tests failed: ',
tags.span(_class='test-failure-count')[0]],
tags.div['Tests completed in: ',
tags.span(_class='test-time')['-']],
tags.div(render=tags.directive('debug'))], tags.hr,
tags.div[tags.span(_class='test-results')], tags.hr,
tags.div(render=tags.directive('tests'))]])
def render_debug(self, ctx, data):
f = athena.IntrospectionFragment()
f.setFragmentParent(self)
return f
def render_widget(self, ctx, data):
return ctx.tag[
T.input(type='checkbox', class_='model-checkbox')[
athena.handler(event='onclick', handler='changed')
]
]
def render_widget(self, ctx, data):
return ctx.tag[
T.input(type='text', class_='model-entry')[
athena.handler(event='onkeydown', handler='changed')
]
]