org.jgraph.graph

Class GraphContext

java.lang.Object

org.jgraph.graph.GraphContext

All Implemented Interfaces:

CellMapper

public class GraphContext
extends java.lang.Object
implements CellMapper

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	PREVIEW_EDGE_GROUPS Switch to enable the preview of edge groups, that is, edges that 1 or more children, as part of the context cells.

Constructor Summary

Constructors

Constructor and Description
GraphContext(JGraph graph, java.lang.Object[] cells) Constructs a graph context for cells with respect to the connections defined in the model, and the views in the view of graph.

Method Summary

Modifier and Type	Method and Description
boolean	contains(java.lang.Object node) Returns true if node or one of its ancestors is contained in this object and visible in the original graph.
CellView	createMapping(java.lang.Object cell)
CellView[]	createTemporaryCellViews() Returns an new consistent array of views for cells.
CellView[]	createTemporaryContextViews() Returns an new consistent array of views for the edges that are connected to and not contained in cells.
CellView[]	createTemporaryContextViews(java.util.Set cellSet) Returns an new consistent array of views for the edges that are connected to and not contained in cellSet.
CellView[]	createTemporaryPortViews() Returns an new consistent array of views for the ports.
ConnectionSet	disconnect(CellView[] cells) Disconnects the edges in cells from the sources and targets that are not in this context and returns a ConnectionSet that defines the disconnection.
java.lang.Object[]	getCells() Returns the array that was passed to the constructor.
int	getDescendantCount() Returns the number of all objects (cells and children) in this object.
JGraph	getGraph() Returns the graph that was passed to the constructor.
CellView	getMapping(java.lang.Object cell, boolean create) Returns the CellView that is mapped to cell in the graph context.
boolean	isEmpty() Returns true if this object contains no cells.
void	putMapping(java.lang.Object cell, CellView view) Associates cell with view in the graph context.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PREVIEW_EDGE_GROUPS

public static boolean PREVIEW_EDGE_GROUPS

Switch to enable the preview of edge groups, that is, edges that 1 or more children, as part of the context cells.

Constructor Detail

GraphContext

public GraphContext(JGraph graph,
                    java.lang.Object[] cells)

Constructs a graph context for cells with respect to the connections defined in the model, and the views in the view of graph.

Method Detail

isEmpty

public boolean isEmpty()

Returns true if this object contains no cells.

getDescendantCount

public int getDescendantCount()

Returns the number of all objects (cells and children) in this object.

getGraph

public JGraph getGraph()

Returns the graph that was passed to the constructor.

getCells

public java.lang.Object[] getCells()

Returns the array that was passed to the constructor.

contains

public boolean contains(java.lang.Object node)

Returns true if node or one of its ancestors is contained in this object and visible in the original graph.

createTemporaryCellViews

public CellView[] createTemporaryCellViews()

Returns an new consistent array of views for cells.

createTemporaryPortViews

public CellView[] createTemporaryPortViews()

Returns an new consistent array of views for the ports.

createTemporaryContextViews

public CellView[] createTemporaryContextViews()

Returns an new consistent array of views for the edges that are connected to and not contained in cells.

createTemporaryContextViews

public CellView[] createTemporaryContextViews(java.util.Set cellSet)

Returns an new consistent array of views for the edges that are connected to and not contained in cellSet.

getMapping

public CellView getMapping(java.lang.Object cell,
                           boolean create)

Returns the CellView that is mapped to cell in the graph context. New views are created based on whether cell is contained in the context. The create-flag is ignored.

Specified by:

getMapping in interface CellMapper

create - whether a new view should created if a view does not already exist

createMapping

public CellView createMapping(java.lang.Object cell)

disconnect

public ConnectionSet disconnect(CellView[] cells)

Disconnects the edges in cells from the sources and targets that are not in this context and returns a ConnectionSet that defines the disconnection.

putMapping

public void putMapping(java.lang.Object cell,
                       CellView view)

Associates cell with view in the graph context.

Specified by:

putMapping in interface CellMapper

Parameters:

cell - the cell that constitutes the model element

view - the view that constitutes the view element