class RuleFilter:
def __init__(self, rules, help_text):
window = rules.window
self.rules = rules
self.exact_widget = rules.getWidget('filter_exact')
self.layout = rules.filter_layout
self.frame = rules.filter_frame
window.connect(self.exact_widget, SIGNAL("toggled(bool)"), self.toggleExact)
self.consistency_filter = ConsistencyFilter(self)
self.filters = [self.consistency_filter]
# Help widget
self.help_widget = QLabel(help_text)
self.help_widget.setForegroundRole(QPalette.Dark)
self.help_widget.setWordWrap(True)
pos = self.layout.count() - 1
self.layout.insertWidget(pos, self.help_widget)
def toggleExact(self, exact):
updates = Updates()
if any((not filter.isEmpty()) for filter in self.filters):
self.rules.display(updates)
def clear(self):
for filter in self.filters:
filter.clear()
self.help_widget.show()
def updateHelp(self):
if any((not filter.isEmpty()) for filter in self.filters):
# at least one filter is displayed
self.help_widget.hide()
else:
self.help_widget.show()
def match(self, acl):
exact = self.exact_widget.isChecked()
for filter in self.filters:
match = filter.match(acl, exact )
if match == False:
return False
return True
def dragEnter(self, url):
for filter in self.filters:
if filter.getUrlIdentifier(url):
return True
return False
def drop(self, url):
updates = Updates()
for filter in self.filters:
identifier = filter.getUrlIdentifier(url)
if not identifier:
continue
object = filter.library[identifier]
if not filter.add(object):
# Duplicate filter: do nothing
return True
self.help_widget.hide()
self.rules.display(updates)
return True
return False
def setConsistencyFilter(self, identifiers):
updated = False
if identifiers:
for filter in self.filters:
if filter is self.consistency_filter:
continue
updated |= filter.clear()
updated |= self.consistency_filter.setIdentifiers(identifiers)
self.updateHelp()
if updated:
updates = Updates()
self.rules.display(updates)
