org.das2.event

Class NullDragRenderer

java.lang.Object

org.das2.event.AbstractDragRenderer

org.das2.event.NullDragRenderer

All Implemented Interfaces:

DragRenderer

public class NullDragRenderer
extends AbstractDragRenderer

Drag Renderer which doesn't draw anything during the drag.

Field Summary

Fields inherited from interface org.das2.event.DragRenderer

ghostColor

Constructor Summary

Constructors

Constructor and Description
NullDragRenderer()
NullDragRenderer(boolean dragEvents)
NullDragRenderer(DasCanvasComponent parent)
NullDragRenderer(DasCanvasComponent parent, boolean dragEvents)

Method Summary

Modifier and Type	Method and Description
java.awt.Rectangle[]	renderDrag(java.awt.Graphics g, java.awt.Point p1, java.awt.Point p2) don't draw anything during the drag.

Methods inherited from class org.das2.event.AbstractDragRenderer

clear, getMouseDragEvent, getParent, isPointSelection, isUpdatingDragSelection, setParent

Methods inherited from class java.lang.Object

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

Constructor Detail

NullDragRenderer

public NullDragRenderer()

NullDragRenderer

public NullDragRenderer(DasCanvasComponent parent)

NullDragRenderer

public NullDragRenderer(boolean dragEvents)

NullDragRenderer

public NullDragRenderer(DasCanvasComponent parent,
                        boolean dragEvents)

Method Detail

renderDrag

public java.awt.Rectangle[] renderDrag(java.awt.Graphics g,
                                       java.awt.Point p1,
                                       java.awt.Point p2)

don't draw anything during the drag.

Parameters:

g - the graphics context

p1 - the initial press point.

p2 - the current mouse point during the drag

Returns: