IlvNodeAccessor Class Reference

Reference to another attribute or subattribute of an IlvGroup object. More...

#include <ilviews/protos/useracc.h>

Inheritance diagram for IlvNodeAccessor:

Public Member Functions
	IlvNodeAccessor (const char *name, const IlvValueTypeClass *type, const char *subaccessor)
	Initializes a new node accessor of name name and type type. More...
Public Member Functions inherited from IlvUserAccessor
	IlvUserAccessor (const char *name, const IlvValueTypeClass *type, IlUInt flags=0)
	Constructor. More...
virtual void	initialize (const IlvAccessorHolder *object)
	Attachment method to an IlvAccessorHolder. More...
virtual IlBoolean	isOutputValue (const IlSymbol *) const
	Queries if the accessor is an output accessor. More...
IlBoolean	isPrivate () const
	Checks the private status. More...
IlBoolean	isRuntime () const
	Checks the RunTime status. More...
void	setPrivate (IlBoolean val)
	Sets the Private flag of this accessor. More...
void	setRuntime (IlBoolean runTime)
	Sets the RunTime flag of this accessor. More...
Public Member Functions inherited from IlvAccessor
	IlvAccessor (const char *name, IlvValueTypeClass *type)
	Creates a new accessor of name name and type type.
virtual IlBoolean	changeValues (IlvAccessorHolder *object, const IlvValue *values, IlUShort count)
	Called by the method IlvAccessible::changeValues() for each IlvAccessor attached to the IlvAccessorHolder.
virtual void	getAccessors (const IlSymbol *const **accessors, const IlvValueTypeClass *const **types, IlUInt &count) const
	Returns the names and types of the values handled by this accessor. More...
const IlSymbol *	getName () const
	Returns the name of the accessor. More...
IlvValueTypeClass *	getType () const
	Returns the type of the accessor. More...
virtual IlBoolean	isOutputAccessor (IlBoolean &inputAndOutput)
	Queries if the accessor is an output accessor. More...
virtual IlShort	matchValues (const IlvAccessorHolder *object, const IlvValue *values, IlUShort count, IlvValue *matchingValues=0) const
	Returns the number of values that are handled by the accessor in the values array of length count. More...
virtual void	queryValues (const IlvAccessorHolder *object, IlvValue *values, IlUShort count) const
	Called by the method IlvAccessible::queryValues() for each IlvAccessor attached to the IlvAccessorHolder.
void	setName (const IlSymbol *name)
	Sets the name of the accessor. More...

Protected Member Functions
virtual IlBoolean	changeValue (IlvAccessorHolder *, const IlvValue &)
	Called by the method IlvAccessible::changeValue() for each IlvAccessor attached to the IlvAccessorHolder.
virtual IlvValue &	queryValue (const IlvAccessorHolder *, IlvValue &) const
	Called by the method IlvAccessible::queryValue() for each IlvAccessor attached to the IlvAccessorHolder.
Protected Member Functions inherited from IlvUserAccessor
virtual IlUInt	compareValues (const IlvAccessorHolder *object, const IlvAccessible *ref, IlvValue *values, IlUShort count, IlvValueArray &diffs) const
	Compares the values in ref and object and returns the differing values. More...
IlBoolean	getValue (IlvValue &val, const IlvAccessorHolder *object, IlvDisplay *display, IlvValueTypeClass *typeClass=0, IlSymbol *typeVal=0, const IlvValue *arg=0) const
	Evaluates a parameter of a user accessor. More...

Detailed Description

Reference to another attribute or subattribute of an IlvGroup object.

Library: ilvproto

IlvNodeAccessor is used with a group to provide access to a value of one of the nodes in the group at the level of the group itself. It is similar to declaring a pointer variable in a programming language.

Constructor & Destructor Documentation

IlvNodeAccessor::IlvNodeAccessor	(	const char *	name,
		const IlvValueTypeClass *	type,
		const char *	subaccessor
	)

Initializes a new node accessor of name name and type type.

When a changeValue()/queryValue() call is issued on the group for the value name, the call is forwarded to the nodes attribute or the prototypes value subaccessor.

Parameters

name	Name of the accessor.
type	Type of the accessor.
subaccessor	Attribute or subattribute that the node should reference.