Package org.xj3d.core.eventmodel

Interface definitions that provide abstract representations of the runtime processing of the X3D/VRML scenegraph (The event model).

See:
Description

Interface Summary

BindableNodeListener	Listener for notification of changes in the current bound node.
CursorFilter	Filter logic for changing the default cursors displayed.
CursorManager	A manager of cursor changes.
EventModelEvaluator	An abstract representation of a class that would be responsible for performing all the event model computations and organisation on a per-frame basis.
EventModelInitListener	A listener for internal state information about the event model being started up.
ExternalView	Abstract representation of code that presents an external view of the browser to client code.
LayerManager	An abstract representation of a class that would be responsible for performing management of a single layer.
LayerManagerFactory	Factory for generating renderer-specific instances of LayerManagers.
LayerRenderingManager	A representation of a class that would be responsible for performing management of all layers with a running the system.
LayerSensorManager	An abstract representation of a per-layer sensor manager supplement to the main sensor manager.
NavigationManager	An abstract representation of a class that would be responsible for performing Viewpoint management.
NavigationStatusListener	Listener for navigation user interface state change feedback from the internals of the browser.
NetworkManager	The manager of network interactions.
NetworkProtocolHandler	A handler for a specific network protocol.
NodeManager	Abstract representation of a class that needs to manage a specific class of nodes in the system.
PickingManager	An abstract representation of a class that would be responsible for performing all the picking componet by the class.
RouteManager	The manager of route information for both static and runtime systems.
Router	A runtime evaluator of routes for a single execution space.
RouterFactory	A factory interface for generating router instances.
ScriptManager	Abstract representation of a class that can be used to provide script lifecycle management facilities to the browser core.
SensorManager	An abstract representation of a class that would be responsible for performing all the management and computations for environmental sensors.
TimeSensorManager	Defines the requirements of the time sensor manager
UserInputHandler	A complete handler for all user input information within a scene.
ViewpointManager	An abstract representation of a class that would be responsible for performing Viewpoint management.
ViewpointStatusListener	Listener for the ViewpointManager changes in viewpoints.

Class Summary

BindableNodeManager	The manager of bindable/activatable nodes at runtime.
DeviceFactory	Partial implementation of a DeviceFactory, with plumbing in place for the ui toolkit specific implementation to create pointing and key sensor devices.
InputDeviceManager	Sits between input devices and the UserInputHandler.
KeyDeviceSensorManager	Generalised manager for KeyDeviceSensor nodes.
NavigationStatusListenerMulticaster	A class which implements efficient and thread-safe multi-cast event dispatching for the events defined in this package.
ViewpointStatusListenerMulticaster	A class which implements efficient and thread-safe multi-cast event dispatching for the events defined in this package.

Package org.xj3d.core.eventmodel Description

Interface definitions that provide abstract representations of the runtime processing of the X3D/VRML scenegraph (The event model).

Interfaces in this package are used to define abstract capabilities of the runtime capabilities. It does not contain the implementations of any of the interfaces. This allows for a pluggable interface for an end user to customise the behaviour of the browser. In addition, the interfaces are designed to work with the abstract node representations in the org.xj3d.core.nodes package. In each case we can implement these without needing to know about a specific rendering implementation of the nodes. The idea is that you can take these and plug them in with the nodes interfaces and create a complete working event model.

Route Management

Route management exists as an abstract system with different implementations. All routes management implementations are based on the org.web3d.vrml.nodes.runtime.RouteManager interface. This interface serves to allow the rest of a browser implementation to work regardless of the actual implementation while allowing your code to experiment with differemt capabilites and optimisation routines. For example, you could change the route handling from breadth first to depth first without modifying any other code.

Bindables Management

There are a lot of uses for bindable nodes in the VRML scene graph. These all follow the same behaviour, just the visual output is different. There is a lot of behaviour that gets repeated over and over so this cleans up all of this into a single neat package.

Properties

The following properties are in use by classes in this package.

• org.xj3d.script.loader.class The name of the class that implements the org.vrml.nodes.loader.ScriptLoader interface, which is used for loading scripts.
• org.xj3d.script.manager.class The name of the class that implements the org.vrml.nodes.runtime.ScriptManager interface, which is used for managing scripts.
• org.xj3d.file.loader.class The name of the class that implements the org.vrml.nodes.loader.ExternalLoadManager interface, which is used for loading content other than scripts.
• org.xj3d.router.manager.class The name of the class that implements the org.vrml.nodes.runtime.RouteManager interface, which is used for managing routes.
• org.xj3d.router.factory.class The name of the class that implements the org.vrml.nodes.runtime.RouterFactory interface, which is used for creating routers.
• org.xj3d.frame.state.class The name of the class that implements the org.vrml.nodes.FrameStateManager interface, which is used for managing per-frame state.