uk.ac.starlink.topcat.plot

Class AuxLegendZoomRegion

java.lang.Object

uk.ac.starlink.topcat.plot.ZoomRegion

uk.ac.starlink.topcat.plot.AxisZoomRegion

uk.ac.starlink.topcat.plot.AuxLegendZoomRegion

public abstract class AuxLegendZoomRegion
extends AxisZoomRegion

ZoomRegion for use with an AuxLegend.

Since:

2 Apr 2008

Author:

Mark Taylor

Constructor Summary

Constructors

Constructor and Description
AuxLegendZoomRegion(uk.ac.starlink.ttools.plot.AuxLegend legend) Constructor.

Method Summary

Modifier and Type	Method and Description
protected abstract void	dataZoomed(double lo, double hi) Called when a zoom has taken place.
Rectangle	getDisplay() Returns the display region.
Rectangle	getTarget() Returns the target region.
void	setDisplay(Rectangle display) Sets the display region.
void	setTarget(Rectangle target) Sets the target region.
void	zoomed(double[][] bounds) Callback which will be invoked when a zoom invoked on this region has been completed successfully.

Methods inherited from class uk.ac.starlink.topcat.plot.AxisZoomRegion

createDrag

Methods inherited from class uk.ac.starlink.topcat.plot.ZoomRegion

getCursor, setCursor

Methods inherited from class java.lang.Object

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

Constructor Detail

AuxLegendZoomRegion

public AuxLegendZoomRegion(uk.ac.starlink.ttools.plot.AuxLegend legend)

Constructor.

Parameters:

legend - lagend to zoom over

Method Detail

dataZoomed

protected abstract void dataZoomed(double lo,
                                   double hi)

Called when a zoom has taken place.

Parameters:

lo - new requested lower data bound

hi - new requested upper data bound

getDisplay

public Rectangle getDisplay()

Description copied from class: ZoomRegion

Returns the display region. This is the region used to display visual feedback to the user during a drag gesture.

Overrides:

getDisplay in class ZoomRegion

Returns:

display region

getTarget

public Rectangle getTarget()

Description copied from class: ZoomRegion

Returns the target region. This is the region within which the mouse must be clicked and dragged in order to generate a zoom event.

Overrides:

getTarget in class ZoomRegion

Returns:

target region

setDisplay

public void setDisplay(Rectangle display)

Description copied from class: ZoomRegion

Sets the display region. This is the region used to provide visual feedback to the user during a drag gesture.

Overrides:

setDisplay in class ZoomRegion

Parameters:

display - display region

Throws:

UnsupportedOperationException - always

setTarget

public void setTarget(Rectangle target)

Description copied from class: ZoomRegion

Sets the target region. This is the region within which the mouse must be clicked and dragged in order to generate a zoom event.

Overrides:

setTarget in class ZoomRegion

Parameters:

target - target region

Throws:

UnsupportedOperationException - always

zoomed

public void zoomed(double[][] bounds)

Description copied from class: ZoomRegion

Callback which will be invoked when a zoom invoked on this region has been completed successfully. Elements of the parameter array are two-element arrays giving (lower, upper) bounds in one or more dimensions, according to the type of region. The units should normally be dimensionless: a range of (0,1) indicates the same range as is currently contained by the display region. Bounds may be larger or smaller than the (1,0) interval.

Specified by:

zoomed in class ZoomRegion

Parameters:

bounds - array of (lower, upper) zoom bounds