Open Graph Drawing Framework  v.2007.11

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ogdf::GraphObserver Class Reference

Abstract Base class for classes that need to keep track of changes in the graph like addition/deletion of nodes or edges. derived classes have to overload nodeDeleted, nodeAdded edgeDeleted, edgeAdded these functions should be called by Graph before (delete). More...

#include <GraphObserver.h>

Inheritance diagram for ogdf::GraphObserver:

List of all members.

Public Member Functions
	GraphObserver ()
	Constructs instance of GraphObserver class.
	GraphObserver (const Graph *G)
	Constructs instance of GraphObserver class.
virtual	~GraphObserver ()
	Destroys the instance, unregisters it from watched graph.
void	reregister (const Graph *pG)
	Associates observer instance with graph G.
virtual void	nodeDeleted (node v)=0
virtual void	nodeAdded (node v)=0
virtual void	edgeDeleted (edge e)=0
virtual void	edgeAdded (edge e)=0
virtual void	reInit ()=0
virtual void	cleared ()=0
const Graph *	getGraph () const
Protected Attributes
const Graph *	m_pGraph
ListIterator< GraphObserver * >	m_itGList
	watched graph
Friends
class	Graph

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Detailed Description

Abstract Base class for classes that need to keep track of changes in the graph like addition/deletion of nodes or edges. derived classes have to overload nodeDeleted, nodeAdded edgeDeleted, edgeAdded these functions should be called by Graph before (delete).

Definition at line 92 of file GraphObserver.h.

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Constructor & Destructor Documentation

ogdf::GraphObserver::GraphObserver

(

)

[inline]

Constructs instance of GraphObserver class.

Definition at line 97 of file GraphObserver.h.

ogdf::GraphObserver::GraphObserver

(

const Graph *

G

)

[inline]

Constructs instance of GraphObserver class.

Parameters:

G

is the graph to be watched

Definition at line 102 of file GraphObserver.h.

virtual ogdf::GraphObserver::~GraphObserver

(

)

[inline, virtual]

Destroys the instance, unregisters it from watched graph.

Definition at line 107 of file GraphObserver.h.

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Member Function Documentation

void ogdf::GraphObserver::reregister

(

const Graph *

pG

)

[inline]

Associates observer instance with graph G.

Definition at line 113 of file GraphObserver.h.

virtual void ogdf::GraphObserver::nodeDeleted

(

node

v

)

[pure virtual]

Called by watched graph when a node is deleted Has to be implemented by derived classes

Implemented in ogdf::ClusterGraph, and ogdf::PlanRepInc.

virtual void ogdf::GraphObserver::nodeAdded

(

node

v

)

[pure virtual]

Called by watched graph when a node is added Has to be implemented by derived classes

Implemented in ogdf::ClusterGraph, and ogdf::PlanRepInc.

virtual void ogdf::GraphObserver::edgeDeleted

(

edge

e

)

[pure virtual]

Called by watched graph when an edge is deleted Has to be implemented by derived classes

Implemented in ogdf::ClusterGraph, and ogdf::PlanRepInc.

virtual void ogdf::GraphObserver::edgeAdded

(

edge

e

)

[pure virtual]

Called by watched graph when an edge is added Has to be implemented by derived classes

Implemented in ogdf::ClusterGraph, and ogdf::PlanRepInc.

virtual void ogdf::GraphObserver::reInit

(

)

[pure virtual]

Called by watched graph when it is reinitialized Has to be implemented by derived classes

Implemented in ogdf::ClusterGraph, and ogdf::PlanRepInc.

virtual void ogdf::GraphObserver::cleared

(

)

[pure virtual]

Called by watched graph when its clear function is called Has to be implemented by derived classes

Implemented in ogdf::ClusterGraph, and ogdf::PlanRepInc.

const Graph* ogdf::GraphObserver::getGraph

(

)

const [inline]

Reimplemented in ogdf::ClusterGraph.

Definition at line 138 of file GraphObserver.h.

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Friends And Related Function Documentation

friend class Graph [friend]

Definition at line 93 of file GraphObserver.h.

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Member Data Documentation

const Graph* ogdf::GraphObserver::m_pGraph [protected]

Reimplemented in ogdf::ClusterGraph.

Definition at line 141 of file GraphObserver.h.

ListIterator<GraphObserver*> ogdf::GraphObserver::m_itGList [protected]

watched graph

Definition at line 142 of file GraphObserver.h.

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

• ogdf/basic/GraphObserver.h

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