diff options
| -rw-r--r-- | src/core.py | 84 |
1 files changed, 73 insertions, 11 deletions
diff --git a/src/core.py b/src/core.py index 8021a3ed..9e12ba03 100644 --- a/src/core.py +++ b/src/core.py @@ -283,6 +283,77 @@ class Core(object): self.pending_invites = {} + # a dict of the form {'config_option': [list, of, callbacks]} + # Whenever a configuration option is changed (using /set or by + # reloading a new config using a signal), all the associated + # callbacks are triggered. + # Use Core.add_configuration_handler("option", callback) to add a + # handler + # Note that the callback will be called when it’s changed in the global section, OR + # in a special section. + # As a special case, handlers can be associated with the empty + # string option (""), they will be called for every option change + # The callback takes two argument: the config option, and the new + # value + self.configuration_change_handlers = {"": []} + self.add_configuration_handler("create_gaps", self.on_gaps_config_change) + self.add_configuration_handler("plugins_dir", self.on_plugins_dir_config_change) + self.add_configuration_handler("plugins_conf_dir", self.on_plugins_conf_dir_config_change) + self.add_configuration_handler("", self.on_any_config_change) + + def on_any_config_change(self, option, value): + """ + Update the roster, in case a roster option changed. + """ + roster.modified() + + def add_configuration_handler(self, option, callback): + """ + Add a callback, associated with the given option. It will be called + each time the configuration option is changed using /set or by + reloading the configuration with a signal + """ + if option not in self.configuration_change_handlers: + self.configuration_change_handlers[option] = [] + self.configuration_change_handlers[option].append(callback) + + def trigger_configuration_change(self, option, value): + """ + Triggers all the handlers associated with the given configuration + option + """ + # First call the callbacks associated with any configuration change + for callback in self.configuration_change_handlers[""]: + callback(option, value) + # and then the callbacks associated with this specific option, if + # any + if option not in self.configuration_change_handlers: + return + for callback in self.configuration_change_handlers[option]: + callback(option, value) + + def on_gaps_config_change(self, option, value): + """ + Called when the option create_gaps is changed. + Remove all gaptabs if switching from gaps to nogaps. + """ + if value.lower() == "false": + self.tabs = list(filter(lambda x: bool(x), self.tabs)) + + def on_plugins_dir_config_change(self, option, value): + """ + Called when the plugins_dir option is changed + """ + path = os.path.expanduser(value) + self.plugin_manager.on_plugins_dir_change(path) + + def on_plugins_conf_dir_config_change(self, option, value): + """ + Called when the plugins_conf_dir option is changed + """ + path = os.path.expanduser(value) + self.plugin_manager.on_plugins_conf_dir_change(path) + def sigusr_handler(self, num, stack): """ Handle SIGUSR1 (10) @@ -2053,6 +2124,7 @@ class Core(object): option = args[0] value = args[1] info = config.set_and_save(option, value) + self.trigger_configuration_change(option, value) elif len(args) == 3: if '|' in args[0]: plugin_name, section = args[0].split('|')[:2] @@ -2069,17 +2141,7 @@ class Core(object): option = args[1] value = args[2] info = config.set_and_save(option, value, section) - # Remove all gaptabs if switching from gaps to nogaps - if option == 'create_gaps' and value.lower() == 'false': - self.tabs = list(filter(lambda x: bool(x), self.tabs)) - elif option == 'plugins_dir': - path = os.path.expanduser(value) - self.plugin_manager.on_plugins_dir_change(path) - elif option == 'plugins_conf_dir': - path = os.path.expanduser(value) - self.plugin_manager.on_plugins_conf_dir_change(path) - # in case some roster options have changed - roster.modified() + self.trigger_configuration_change(option, value) self.call_for_resize() self.information(*info) |