datum.viewer
Class GridLayer

java.lang.Object
  |
  +--datum.util.layer.Layer
        |
        +--datum.viewer.GridLayer

public class GridLayer

extends Layer

Constructor Summary

GridLayer(String name, Datum columnSize, Datum rowSize, Color color)

Method Summary

void	draw(Graphics g, Area a) This method is called each time the parent LayerDisplay is redrawn, so make this routine fast.
boolean	handleClick(MouseEvent e, Area a) This method is called when ever a mouse click occurs in a LayerDisplay.

Methods inherited from class datum.util.layer.Layer

configure, getName, isVisible, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

GridLayer

public GridLayer(String name,
                 Datum columnSize,
                 Datum rowSize,
                 Color color)

Method Detail

draw

public void draw(Graphics g,
                 Area a)

Description copied from class: Layer

This method is called each time the parent LayerDisplay is redrawn, so make this routine fast. Use the Area parameter to translate double coordinates to integer pixel coordinates for drawing to the Graphics parameter.

Overrides:

draw in class Layer

handleClick

public boolean handleClick(MouseEvent e,
                           Area a)

Description copied from class: Layer

This method is called when ever a mouse click occurs in a LayerDisplay. Each layer is given a change to handle the click starting from the topmost layer. A return value of true means that the click was handled, and no more layers should be given the chance to handle a given click.

Overrides:

handleClick in class Layer