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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).
"""The view classes for handling branch visibility policies."""
__metaclass__ = type
__all__ = [
'AddBranchVisibilityTeamPolicyView',
'RemoveBranchVisibilityTeamPolicyView',
'BranchVisibilityPolicyMixin',
'BranchVisibilityPolicyView',
]
from zope.app.form import CustomWidgetFactory
from zope.formlib import form
from zope.schema import (
Choice,
List,
)
from zope.schema.vocabulary import (
SimpleTerm,
SimpleVocabulary,
)
from canonical.launchpad import _
from canonical.launchpad.webapp import (
canonical_url,
LaunchpadView,
)
from lp.app.browser.launchpadform import (
action,
custom_widget,
LaunchpadFormView,
)
from lp.app.widgets.itemswidgets import (
LabeledMultiCheckBoxWidget,
LaunchpadRadioWidgetWithDescription,
)
from lp.code.enums import (
BranchVisibilityRule,
TeamBranchVisibilityRule,
)
from lp.code.interfaces.branchvisibilitypolicy import (
IBranchVisibilityTeamPolicy,
)
from lp.services.propertycache import cachedproperty
class BaseBranchVisibilityTeamPolicyView(LaunchpadFormView):
"""Used as a base class for the add and remove view."""
schema = IBranchVisibilityTeamPolicy
@property
def adapters(self):
return {IBranchVisibilityTeamPolicy: self.context}
@property
def next_url(self):
return canonical_url(self.context, view_name='+branchvisibility')
cancel_url = next_url
class AddBranchVisibilityTeamPolicyView(BaseBranchVisibilityTeamPolicyView):
"""Simple form view to add branch visibility policy items."""
page_title = label = "Set branch visibility policy for team"
initial_values = {'rule': TeamBranchVisibilityRule.PRIVATE}
custom_widget('rule', LaunchpadRadioWidgetWithDescription)
def showSetDefaultPublic(self, action=None):
"""Show if using inherited policy, or currently forbidden."""
base_rule = self.context.getBaseBranchVisibilityRule()
return (self.context.isUsingInheritedBranchVisibilityPolicy() or
base_rule == BranchVisibilityRule.FORBIDDEN)
def showSetDefaultForbidden(self, action=None):
"""Show if using inherited policy, or currently forbidden."""
base_rule = self.context.getBaseBranchVisibilityRule()
return (self.context.isUsingInheritedBranchVisibilityPolicy() or
base_rule != BranchVisibilityRule.FORBIDDEN)
@action(_('Set Default Public'), name='set_default_public',
condition=showSetDefaultPublic,
validator=LaunchpadFormView.validate_none)
def set_default_public_action(self, action, data):
"""Make the default policy public."""
self.context.setBranchVisibilityTeamPolicy(
None, BranchVisibilityRule.PUBLIC)
@action(_('Set Default Forbidden'), name='set_default_forbidden',
condition=showSetDefaultForbidden,
validator=LaunchpadFormView.validate_none)
def set_default_forbidden_action(self, action, data):
"""Make the default policy forbidden."""
self.context.setBranchVisibilityTeamPolicy(
None, BranchVisibilityRule.FORBIDDEN)
@action(_('Set Team Policy'), name='set_team_policy')
def set_team_policy_action(self, action, data):
"Set the branch visibility rule for the team."
team = data['team']
rule = BranchVisibilityRule.items[data['rule'].name]
self.context.setBranchVisibilityTeamPolicy(team, rule)
class RemoveBranchVisibilityTeamPolicyView(BaseBranchVisibilityTeamPolicyView):
"""The view to remove zero or more branch visibility policy items."""
page_title = label = "Remove branch visibility policy for teams"
def _policyDescription(self, item):
"""The text visible to the user displayed by the widget."""
if item.team is None:
teamname = "Everyone"
else:
teamname = item.team.displayname
return "%s: %s" % (teamname, item.rule.title)
def _policyToken(self, item):
"""The text used as the value of the widget."""
if item.team is None:
return '+everyone'
else:
return item.team.name
def _currentPolicyItemsField(self):
"""Create the policy items field.
The vocabulary is created from the policy items. This is then shown
using the multi checkbox widget.
"""
terms = [SimpleTerm(item, self._policyToken(item),
self._policyDescription(item))
for item in self.context.getBranchVisibilityTeamPolicies()]
return form.Fields(
List(
__name__='policy_items',
title=_("Policy Items"),
value_type=Choice(vocabulary=SimpleVocabulary(terms)),
required=True),
render_context=self.render_context,
custom_widget=CustomWidgetFactory(LabeledMultiCheckBoxWidget))
def setUpFields(self):
"""Override the setup to define own fields."""
self.form_fields = self._currentPolicyItemsField()
@action(_('Remove Selected Policy Items'), name='remove')
def remove_action(self, action, data):
"""Remove selected policy items."""
for item in data['policy_items']:
self.context.removeTeamFromBranchVisibilityPolicy(item.team)
class BranchVisibilityPolicyMixin:
"""Mixin class providing visibility rules."""
@property
def base_visibility_rule(self):
return self.context.getBaseBranchVisibilityRule()
@property
def team_policies(self):
"""The policy items that have a valid team."""
return [item for item in self.items if item.team is not None]
@cachedproperty
def items(self):
return self.context.getBranchVisibilityTeamPolicies()
class BranchVisibilityPolicyView(LaunchpadView,
BranchVisibilityPolicyMixin):
"""Simple view for displaying branch visibility policies."""
@property
def page_title(self):
name = self.context.displayname
return 'Set branch visibility policy for %s' % name
@property
def can_remove_items(self):
"""You cannot remove items if using inherited policy or
if there is only the default policy item.
"""
return (len(self.items) > 0 and
not self.context.isUsingInheritedBranchVisibilityPolicy())
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