adavid.awt
Class DefaultTNodeRenderer

java.lang.Object
  |
  +--adavid.awt.DefaultTNodeRenderer

public class DefaultTNodeRenderer

extends java.lang.Object

implements TNodeRenderer

default tree renderer

Field Summary

static DefaultTNodeRenderer	INSTANCE a shared instance for this renderer, since its only function is to draw a node
static int	SIZE constant controling the size of the drawing

Constructor Summary

protected

DefaultTNodeRenderer() a protected constructor in order not to use it : use the shared instance protected so that the class could be extended to some customized renderer

Method Summary

int	getHeight() the height taken
int	getWidth() the width taken
void	paint(TNode node, java.awt.Graphics g, boolean expanded, boolean selected, boolean leaf) basic drawing : a triangle ; note that the color is set by TNode

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final DefaultTNodeRenderer INSTANCE

a shared instance for this renderer, since its only function is to draw a node

SIZE

public static final int SIZE

constant controling the size of the drawing

Constructor Detail

DefaultTNodeRenderer

protected DefaultTNodeRenderer()

a protected constructor in order not to use it : use the shared instance protected so that the class could be extended to some customized renderer

Method Detail

paint

public void paint(TNode node,
                  java.awt.Graphics g,
                  boolean expanded,
                  boolean selected,
                  boolean leaf)

basic drawing : a triangle ; note that the color is set by TNode

Specified by:

paint in interface TNodeRenderer

Tags copied from interface: TNodeRenderer

Parameters:

node - the node to be repainted

g - Graphics object to repaint the node

expanded - state of the node

selected - state of the node

leaf - nature of the node

getHeight

public int getHeight()

the height taken

Specified by:

getHeight in interface TNodeRenderer

Tags copied from interface: TNodeRenderer

Returns:

the height of the painted zone, icon or whatever, not the whole tree node!

getWidth

public int getWidth()

the width taken

Specified by:

getWidth in interface TNodeRenderer

Tags copied from interface: TNodeRenderer

Returns:

the width of the painted zone, icon or whatever, not the whole tree node!