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Remove the registered functions instead of overwriting

This commit is contained in:
Tomas Groth 2014-12-02 09:46:19 +00:00
parent 1c71efc532
commit af4715dc3c
2 changed files with 16 additions and 10 deletions
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9
openlp/core/common/registry.py
View File

@ -105,7 +105,7 @@ class Registry(object):
if key in self.service_list:
del self.service_list[key]
def register_function(self, event, function, overwrite=False):
def register_function(self, event, function):
"""
Register an event and associated function to be called
@ -113,9 +113,8 @@ class Registry(object):
will/may need to respond to a single action and the caller does not need to understand or know about the
recipients.
:param function: The function to be called when the event happens.
:param overwrite: There should only be one function with the registred name.
"""
if not overwrite and event in self.functions_list:
if event in self.functions_list:
self.functions_list[event].append(function)
else:
self.functions_list[event] = [function]
@ -127,10 +126,6 @@ class Registry(object):
:param event: The function description..
:param function: The function to be called when the event happens.
"""
if not self.running_under_test:
trace_error_handler(log)
log.error('Invalid Method call for key %s' % event)
raise KeyError('Invalid Method call for key %s' % event)
if event in self.functions_list:
self.functions_list[event].remove(function)

17
openlp/core/ui/maindisplay.py
View File

@ -153,9 +153,20 @@ class MainDisplay(OpenLPMixin, Display, RegistryProperties):
self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
self.set_transparency(False)
if self.is_live:
Registry().register_function('live_display_hide', self.hide_display, True)
Registry().register_function('live_display_show', self.show_display, True)
Registry().register_function('update_display_css', self.css_changed, True)
Registry().register_function('live_display_hide', self.hide_display)
Registry().register_function('live_display_show', self.show_display)
Registry().register_function('update_display_css', self.css_changed)
def close(self):
"""
Remove registered function on close.
"""
if self.is_live:
Registry().remove_function('live_display_hide', self.hide_display)
Registry().remove_function('live_display_show', self.show_display)
Registry().remove_function('update_display_css', self.css_changed)
super().close()
def set_transparency(self, enabled):
"""