y.layout.hierarchic
Class AlignmentDrawer

java.lang.Object
  y.layout.hierarchic.AlignmentDrawer

All Implemented Interfaces:

Drawer

public class AlignmentDrawer
extends Object
implements Drawer

This class can be used to simply wrap another Drawer implementation. It will rearrange nodes within each layer so that they are aligned with respect to a given alignment point, that is provided on a per node basis, which is provided by a registered DataProvider instance that may provide doubles that are interpreted as relative coordinates to the center of the node.

Nested Class Summary

static class	AlignmentDrawer.BottomAlignmentDataProvider Simple utility class that can be registered with the graph to be laid out.
static class	AlignmentDrawer.LeftAlignmentDataProvider Simple utility class that can be registered with the graph to be laid out.
static class	AlignmentDrawer.RightAlignmentDataProvider Simple utility class that can be registered with the graph to be laid out.
static class	AlignmentDrawer.TopAlignmentDataProvider Simple utility class that can be registered with the graph to be laid out.

Field Summary

static Object

NODE_ALIGNMENT_POINT_DPKEY The DataProvider key used for the DataProvider instance that provides for each node a double depicting the center anchored offset to the alignment point.

Fields inherited from interface y.layout.hierarchic.Drawer

NODE_BORDER_BOTTOM, NODE_BORDER_LEFT, NODE_BORDER_RIGHT, NODE_BORDER_TOP, NODE_DISTANCE

Constructor Summary

AlignmentDrawer(Drawer inner)
Creates a new AlignmentDrawer using the given drawer as the actual drawer

Method Summary

protected void	alignNodes(LayoutGraph graph, NodeList[] lists) Modifies the given drawing by modifying the y-coordinates only
void	assignCoordinates(LayoutGraph g, NodeList[] layerLists, DataProvider layerID) This method assigns the coordinates to the nodes.
void	setDummyMap(NodeMap dummy) Gives the drawer the opportunity to distinguish between dummy nodes and real ones. dummy stores the original edge for each dummy node or null for real nodes.
void	setMinimalEdgeDistance(double d) Sets the minimal distance between two edges in the same layer.
void	setMinimalLayerDistance(double d) Sets the minimal distance between two layers.
void	setMinimalMultiEdgeDistance(double d) Sets the minimal distance between two edges sharing source/target (aka multi-edges) in the same layer.
void	setMinimalNodeDistance(double d) Sets the minimal distance between two nodes in the same layer.

Methods inherited from class java.lang.Object

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

Field Detail

NODE_ALIGNMENT_POINT_DPKEY

public static final Object NODE_ALIGNMENT_POINT_DPKEY

The DataProvider key used for the DataProvider instance that provides for each node a double depicting the center anchored offset to the alignment point.

Constructor Detail

AlignmentDrawer

public AlignmentDrawer(Drawer inner)

Creates a new AlignmentDrawer using the given drawer as the actual drawer

Method Detail

alignNodes

protected void alignNodes(LayoutGraph graph,
                          NodeList[] lists)

Modifies the given drawing by modifying the y-coordinates only

assignCoordinates

public void assignCoordinates(LayoutGraph g,
                              NodeList[] layerLists,
                              DataProvider layerID)

Description copied from interface: Drawer

This method assigns the coordinates to the nodes.

Specified by:

assignCoordinates in interface Drawer

setDummyMap

public void setDummyMap(NodeMap dummy)

Description copied from interface: Drawer

Gives the drawer the opportunity to distinguish between dummy nodes and real ones. dummy stores the original edge for each dummy node or null for real nodes.

Specified by:

setDummyMap in interface Drawer

setMinimalEdgeDistance

public void setMinimalEdgeDistance(double d)

Description copied from interface: Drawer

Sets the minimal distance between two edges in the same layer.

Specified by:

setMinimalEdgeDistance in interface Drawer

setMinimalLayerDistance

public void setMinimalLayerDistance(double d)

Description copied from interface: Drawer

Sets the minimal distance between two layers.

Specified by:

setMinimalLayerDistance in interface Drawer

setMinimalMultiEdgeDistance

public void setMinimalMultiEdgeDistance(double d)

Description copied from interface: Drawer

Sets the minimal distance between two edges sharing source/target (aka multi-edges) in the same layer.

Specified by:

setMinimalMultiEdgeDistance in interface Drawer

setMinimalNodeDistance

public void setMinimalNodeDistance(double d)

Description copied from interface: Drawer

Sets the minimal distance between two nodes in the same layer.

Specified by:

setMinimalNodeDistance in interface Drawer