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# Copyright 2009-2011 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
__metaclass__ = type
from z3c.ptcompat import ViewPageTemplateFile
from zope.app.form import (
CustomWidgetFactory,
InputWidget,
)
from zope.app.form.browser.widget import (
BrowserWidget,
renderElement,
)
from zope.app.form.interfaces import (
ConversionError,
IInputWidget,
InputErrors,
MissingInputError,
)
from zope.app.form.utility import setUpWidget
from zope.component import getUtility
from zope.interface import implements
from zope.schema import Choice
from lp.app.errors import (
NotFoundError,
UnexpectedFormData,
)
from lp.app.interfaces.launchpad import ILaunchpadCelebrities
from lp.app.validators import LaunchpadValidationError
from lp.app.widgets.itemswidgets import LaunchpadDropdownWidget
from lp.registry.interfaces.distribution import IDistribution
from lp.registry.interfaces.distributionsourcepackage import (
IDistributionSourcePackage,
)
from lp.registry.interfaces.product import IProduct
from lp.services.features import getFeatureFlag
from lp.services.webapp.interfaces import (
IAlwaysSubmittedWidget,
IMultiLineWidgetLayout,
)
class LaunchpadTargetWidget(BrowserWidget, InputWidget):
"""Widget for selecting a product, distribution or package target."""
implements(IAlwaysSubmittedWidget, IMultiLineWidgetLayout, IInputWidget)
template = ViewPageTemplateFile('templates/launchpad-target.pt')
default_option = "package"
_widgets_set_up = False
def getDistributionVocabulary(self):
return 'Distribution'
def setUpSubWidgets(self):
if self._widgets_set_up:
return
if bool(getFeatureFlag('disclosure.dsp_picker.enabled')):
# Replace the default field with a field that uses the better
# vocabulary.
package_vocab = 'DistributionSourcePackage'
else:
package_vocab = 'BinaryAndSourcePackageName'
fields = [
Choice(
__name__='product', title=u'Project',
required=True, vocabulary='Product'),
Choice(
__name__='distribution', title=u"Distribution",
required=True, vocabulary=self.getDistributionVocabulary(),
default=getUtility(ILaunchpadCelebrities).ubuntu),
Choice(
__name__='package', title=u"Package",
required=False, vocabulary=package_vocab),
]
self.distribution_widget = CustomWidgetFactory(
LaunchpadDropdownWidget)
for field in fields:
setUpWidget(
self, field.__name__, field, IInputWidget, prefix=self.name)
self._widgets_set_up = True
def setUpOptions(self):
"""Set up options to be rendered."""
self.options = {}
for option in ['package', 'product']:
attributes = dict(
type='radio', name=self.name, value=option,
id='%s.option.%s' % (self.name, option))
if self.request.form_ng.getOne(
self.name, self.default_option) == option:
attributes['checked'] = 'checked'
self.options[option] = renderElement('input', **attributes)
self.package_widget.onKeyPress = (
"selectWidget('%s.option.package', event)" % self.name)
self.product_widget.onKeyPress = (
"selectWidget('%s.option.product', event)" % self.name)
def hasInput(self):
return self.name in self.request.form
def hasValidInput(self):
"""See zope.app.form.interfaces.IInputWidget."""
try:
self.getInputValue()
return True
except (InputErrors, UnexpectedFormData):
return False
def getInputValue(self):
"""See zope.app.form.interfaces.IInputWidget."""
self.setUpSubWidgets()
form_value = self.request.form_ng.getOne(self.name)
if form_value == 'product':
try:
return self.product_widget.getInputValue()
except MissingInputError:
raise LaunchpadValidationError('Please enter a project name')
except ConversionError:
entered_name = self.request.form_ng.getOne(
"%s.product" % self.name)
raise LaunchpadValidationError(
"There is no project named '%s' registered in"
" Launchpad" % entered_name)
elif form_value == 'package':
try:
distribution = self.distribution_widget.getInputValue()
except ConversionError:
entered_name = self.request.form_ng.getOne(
"%s.distribution" % self.name)
raise LaunchpadValidationError(
"There is no distribution named '%s' registered in"
" Launchpad" % entered_name)
if self.package_widget.hasInput():
if bool(getFeatureFlag('disclosure.dsp_picker.enabled')):
self.package_widget.vocabulary.setDistribution(
distribution)
try:
package_name = self.package_widget.getInputValue()
except ConversionError:
entered_name = self.request.form_ng.getOne(
'%s.package' % self.name)
raise LaunchpadValidationError(
"There is no package name '%s' published in %s"
% (entered_name, distribution.displayname))
if package_name is None:
return distribution
try:
if IDistributionSourcePackage.providedBy(package_name):
dsp = package_name
else:
source_name = (
distribution.guessPublishedSourcePackageName(
package_name.name))
dsp = distribution.getSourcePackage(source_name)
except NotFoundError:
raise LaunchpadValidationError(
"There is no package name '%s' published in %s"
% (package_name.name, distribution.displayname))
return dsp
else:
return distribution
else:
raise UnexpectedFormData("No valid option was selected.")
def setRenderedValue(self, value):
"""See IWidget."""
self.setUpSubWidgets()
if IProduct.providedBy(value):
self.default_option = 'product'
self.product_widget.setRenderedValue(value)
elif IDistribution.providedBy(value):
self.default_option = 'package'
self.distribution_widget.setRenderedValue(value)
elif IDistributionSourcePackage.providedBy(value):
self.default_option = 'package'
self.distribution_widget.setRenderedValue(value.distribution)
self.package_widget.setRenderedValue(value.sourcepackagename)
else:
raise AssertionError('Not a valid value: %r' % value)
def error(self):
"""See zope.app.form.interfaces.IBrowserWidget."""
try:
if self.hasInput():
self.getInputValue()
except InputErrors, error:
self._error = error
return super(LaunchpadTargetWidget, self).error()
def __call__(self):
"""See zope.app.form.interfaces.IBrowserWidget."""
self.setUpSubWidgets()
self.setUpOptions()
return self.template()
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