org.jgraph.graph

Class DefaultGraphModel.GraphModelEdit

public class DefaultGraphModel.GraphModelEdit extends CompoundEdit implements GraphModelEvent.GraphModelChange

An implementation of GraphModelChange that can be added to the model event.

Field Summary
protected Map	attributes
protected Map	cellViews
protected Object[]	changed
protected ConnectionSet	connectionSet
protected Object[]	context
protected Rectangle2D	dirtyRegion The dirty region of the change prior to it happening
protected Object[]	insert
protected Object[]	inserted
protected ParentMap	parentMap
protected Map	previousAttributes
protected ConnectionSet	previousConnectionSet
protected ParentMap	previousParentMap
protected Object[]	remove
protected Object[]	removed

Constructor Summary
	GraphModelEdit(Object[] inserted, Object[] removed, Map attributes, ConnectionSet connectionSet, ParentMap parentMap) Constructs an edit record.

Method Summary
protected void	changeChildCount(Map childCount, Object parent, int change)
void	execute() Execute this edit such that the next invocation to this method will invert the last execution.
Object[]	filterParents(Map childCount, int children)
Map	getAttributes() Returns a map of (object, view attributes).
Object[]	getChanged() Returns the cells that have changed.
ConnectionSet	getConnectionSet() Returns the connectionSet.
Object[]	getContext() Returns the objects that have not changed explicitly, but implicitly because one of their dependent cells has changed.
Rectangle2D	getDirtyRegion()
Object[]	getInserted() Returns the cells that were inserted.
ParentMap	getParentMap() Returns the parentMap.
Map	getPreviousAttributes() Returns a map that contains (object, map) pairs of the attributes that have been stored in the model.
ConnectionSet	getPreviousConnectionSet()
ParentMap	getPreviousParentMap()
Object[]	getRemoved() Returns the cells that were inserted.
Object	getSource() Returns the source of this change.
CellView[]	getViews(GraphLayoutCache view)
protected void	handleEmptyGroups(Object[] groups) Adds the groups that become empty to the cells that will be removed.
boolean	isSignificant()
void	putViews(GraphLayoutCache view, CellView[] views)
void	redo() Redoes a change.
void	setDirtyRegion(Rectangle2D dirty)
String	toString()
void	undo() Undoes a change.

Field Detail

dirtyRegion

protected Rectangle2D dirtyRegion

The dirty region of the change prior to it happening

previousConnectionSet

protected ConnectionSet previousConnectionSet

Constructor Detail

GraphModelEdit

public GraphModelEdit(Object[] inserted, Object[] removed, Map attributes, ConnectionSet connectionSet, ParentMap parentMap)

Constructs an edit record.

Parameters: inserted a set of roots that were inserted removed a set of elements that were removed attributes the attribute changes made by the edit connectionSet the set of changed connections parentMap the map of changed parents

Method Detail

changeChildCount

protected void changeChildCount(Map childCount, Object parent, int change)

execute

public void execute()

Execute this edit such that the next invocation to this method will invert the last execution.

filterParents

public Object[] filterParents(Map childCount, int children)

getAttributes

public Map getAttributes()

Returns a map of (object, view attributes). The objects are model objects which need to be mapped to views.

getChanged

public Object[] getChanged()

Returns the cells that have changed. This includes the cells that have been changed through a call to getAttributes and the edges that have been changed with the ConnectionSet.

getConnectionSet

public ConnectionSet getConnectionSet()

Returns the connectionSet.

Returns: ConnectionSet

getContext

public Object[] getContext()

Returns the objects that have not changed explicitly, but implicitly because one of their dependent cells has changed.

getDirtyRegion

public Rectangle2D getDirtyRegion()

getInserted

public Object[] getInserted()

Returns the cells that were inserted.

getParentMap

public ParentMap getParentMap()

Returns the parentMap.

Returns: ParentMap

Throws: CannotRedoException if the change cannot be redone

Throws: CannotUndoException if the change cannot be undone