kcl.waterloo.graphics

Interface GJLayerInterface<T>

Type Parameters:

T -

All Known Subinterfaces:

GJGraphInterface

All Known Implementing Classes:

GJAbstractGraph, GJAbstractGraph0, GJAbstractGraph1, GJGraph

public interface GJLayerInterface<T>

Provides an interface to support multi-layered graphs

Method Summary

Modifier and Type	Method and Description
T	add(T graph) Adds a graph as a child of this graph.
T	getAncestorGraph() Returns the graph that forms the view in this graph's ancestry.
T	getCurrentLayer() Returns the currently selected layer
int	getCurrentLayerIndex() Returns the index of the current layer.
T	getLayer(int n) Returns the layer at the specified index
java.util.ArrayList<T>	getLayers() Returns a list of the layers for this graph.
int	indexOf() Returns the index of this graph as a layer in the view.
void	setCurrentLayer(T layer) Sets the current layer for this graph.
void	setCurrentLayerIndex(int n) Sets the current layer by index.

Method Detail

getAncestorGraph

T getAncestorGraph()

Returns the graph that forms the view in this graph's ancestry.

Returns:

the graph

getLayers

java.util.ArrayList<T> getLayers()

Returns a list of the layers for this graph. The list includes this graph at element 0.

Returns:

an ArrayList

add

T add(T graph)

Adds a graph as a child of this graph. Provides support for nested graphs.

Parameters:

graph -

Returns:

the added graph

getLayer

T getLayer(int n)

Returns the layer at the specified index

Parameters:

n - the layer number - zero is this layer

Returns:

the layer

getCurrentLayer

T getCurrentLayer()

Returns the currently selected layer

Returns:

a GJGraphInterface instance

setCurrentLayer

void setCurrentLayer(T layer)

Sets the current layer for this graph.

Parameters:

layer -

getCurrentLayerIndex

int getCurrentLayerIndex()

Returns the index of the current layer.

Returns:

the index

setCurrentLayerIndex

void setCurrentLayerIndex(int n)

Sets the current layer by index.

Parameters:

n -

indexOf

int indexOf()

Returns the index of this graph as a layer in the view.

Returns:

the index