org.das2.event

Class AbstractDragRenderer

java.lang.Object

org.das2.event.AbstractDragRenderer

All Implemented Interfaces:

DragRenderer

Direct Known Subclasses:

LabelDragRenderer, WaypointsDragRenderer

public abstract class AbstractDragRenderer
extends java.lang.Object
implements DragRenderer

Do-nothing drag renderer and extension point for other DragRenderers.

Field Summary

Fields inherited from interface org.das2.event.DragRenderer

ghostColor

Constructor Summary

Constructors

Constructor and Description
AbstractDragRenderer()
AbstractDragRenderer(DasCanvasComponent parent)

Method Summary

Modifier and Type	Method and Description
void	clear(java.awt.Graphics g) this is not used, and is left over from an old version of the library.
MouseDragEvent	getMouseDragEvent(java.lang.Object source, java.awt.Point p1, java.awt.Point p2, boolean isModified) return the event for the gesture.
DasCanvasComponent	getParent()
boolean	isPointSelection() indicates that MM.mousePointSelected() should called as new mouse events come in.
boolean	isUpdatingDragSelection() range selection events should be fired during drag.
void	setParent(DasCanvasComponent parent)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.das2.event.DragRenderer

renderDrag

Constructor Detail

AbstractDragRenderer

public AbstractDragRenderer()

AbstractDragRenderer

public AbstractDragRenderer(DasCanvasComponent parent)

Method Detail

getMouseDragEvent

public MouseDragEvent getMouseDragEvent(java.lang.Object source,
                                        java.awt.Point p1,
                                        java.awt.Point p2,
                                        boolean isModified)

return the event for the gesture. A mouse box event is returned.

Specified by:

getMouseDragEvent in interface DragRenderer

Parameters:

source -

p1 -

p2 -

isModified -

Returns:

clear

public void clear(java.awt.Graphics g)

this is not used, and is left over from an old version of the library.

Specified by:

clear in interface DragRenderer

Parameters:

g -

isPointSelection

public boolean isPointSelection()

indicates that MM.mousePointSelected() should called as new mouse events come in.

Specified by:

isPointSelection in interface DragRenderer

Returns:

true if the mouse module should receive events during the drag.

isUpdatingDragSelection

public boolean isUpdatingDragSelection()

range selection events should be fired during drag.

Specified by:

isUpdatingDragSelection in interface DragRenderer

Returns:

true if selection events should be fired during drag.

getParent

public DasCanvasComponent getParent()

setParent

public void setParent(DasCanvasComponent parent)