Modeling.interfaces.ObservingInterface.ObservingInterface

Package Modeling :: Package interfaces :: Module ObservingInterface :: Class ObservingInterface

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Class ObservingInterface

Base --+
       |
      ObservingInterface

Known Subclasses:: IEditingContext

Must be implemented by observers for use by the ObserverCenter.

Method Summary
	`objectWillChange(self, anObject)` Any observer registered in the ObserverCenter will be sent that message for any object they observe.

Method Details

objectWillChange(self, anObject)

Any observer registered in the ObserverCenter will be sent that message for any object they observe. Important: parameter 'anObject' may be 'None' for omniscient observers, this happens resets the ObserverCenter's memory (cf. ObserverCenter.notifyObserversObjectWillChange)

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