einarr
a45743c31e
- Navigator - Aplication - Workflow - Project - Options Corresponding changes have been added in lots of other files to account for this, but the access to these objects should now be a lot easier.
91 lines
2.0 KiB
Python
91 lines
2.0 KiB
Python
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import sys
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#: Dictionary of observers
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_observers = {}
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#: The current Navigator object.
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navigator = None
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#: The current application
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application = None
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#: The current project
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project = None
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#: The current workflow
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workflow = None
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#: A cfgparse/optparse options object.
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options = None
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def notify_observers(name):
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call = "%s_changed" % name
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for s in _observers.get(name, []):
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getattr(s, call)(getattr(sys.modules[__name__], name))
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def _add_observer(name, observer):
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"""Adds observer as an observer of the named object."""
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if not _observers.has_key(name):
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_observers[name] = []
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_observers[name].append(observer)
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def _remove_observer(name, observer):
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"""Removes observer as an observer of the named object."""
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if not _observers.has_key(name):
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return
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_observers.remove(observer)
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def add_navigator_observer(observer):
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_add_observer('navigator', observer)
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def add_project_observer(observer):
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_add_observer('project', observer)
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def add_workflow_observer(observer):
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_add_observer('workflow', observer)
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def add_application_observer(observer):
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_add_observer('application', observer)
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def remove_navigator_observer(observer):
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_remove_observer('navigator', observer)
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def remove_project_observer(observer):
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_remove_observer('project', observer)
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def remove_workflow_observer(observer):
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_remove_observer('workflow', observer)
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def remove_application_observer(observer):
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_remove_observer('application', observer)
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def remove_options_observer(observer):
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_remove_observer('options', observer)
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def set_navigator(nav):
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global navigator
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navigator = nav
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notify_observers('navigator')
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def set_application(app):
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global application
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application = app
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notify_observers('application')
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def set_project(p):
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global project
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project = p
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notify_observers('project')
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def set_workflow(wf):
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global workflow
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workflow = wf
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notify_observers('workflow')
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def set_options(opt):
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global options
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options = opt
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notify_observers('options')
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