Helper class for observing certain property in nodes. More...

#include <kanzi/ui/node/concept/activity/property_observer.hpp>

Public Member Functions
	PropertyObserver (AbstractPropertyType propertyType)
	Constructor.

void	removeAllBindings ()
	Removes all bindings for the observed nodes.

void	startObserving (NodeSharedPtr hostNode, NodeSharedPtr observedNode, CallbackBindingProcessorSharedPtr callbackBindingProcessor)
	Creates a binding for a property type in observed node with the given callbackBindingProcessor.

void	stopObserving (NodeSharedPtr observedNode)
	Removes from the observedNode the binding to the observed property type.

virtual	~PropertyObserver ()=default
	Destructor.

Detailed Description

Helper class for observing certain property in nodes.

Constructor & Destructor Documentation

kanzi::PropertyObserver::PropertyObserver ( AbstractPropertyType propertyType )

explicit

Constructor.

Parameters

propertyType The property type that Kanzi observes in nodes.

virtual kanzi::PropertyObserver::~PropertyObserver ( )

virtualdefault

Destructor.

void kanzi::PropertyObserver::startObserving	(	NodeSharedPtr	hostNode,
		NodeSharedPtr	observedNode,
		CallbackBindingProcessorSharedPtr	callbackBindingProcessor )

Creates a binding for a property type in observed node with the given callbackBindingProcessor.

Parameters

hostNode	Node that owns the property type.
observedNode	Node where Kanzi observes the property type.
callbackBindingProcessor	A callback when the value of the observed property type changes.

void kanzi::PropertyObserver::stopObserving ( NodeSharedPtr observedNode )

Removes from the observedNode the binding to the observed property type.

Parameters

observedNode Node where Kanzi observes the property type.

void kanzi::PropertyObserver::removeAllBindings ( )

Removes all bindings for the observed nodes.

The documentation for this class was generated from the following file: