org.eclipse.hyades.ui.widgets.zoomslider
Class ZoomIndicator

java.lang.Object
  org.eclipse.hyades.ui.widgets.zoomslider.ZoomIndicator

public class ZoomIndicator

extends java.lang.Object

A ZoomIndicator paints a bounded, coloured line on a slider to represent a value. The ZoomIndicator paints between the basevalue and value of the indicator. Typically, the baseindicator represents a value that does not change, whereas the value represents the variable value that the indicator is displaying.

Since:

4.0.0

Field Summary

protected org.eclipse.swt.graphics.Color	color
protected ZoomSlider	slider The ZoomSlider this indicator resides on
protected org.eclipse.swt.graphics.Color	xorColor

Constructor Summary

ZoomIndicator(ZoomSlider slider)
Create a ZoomIndicator for this slider, with default initial value and color

ZoomIndicator(ZoomSlider slider, org.eclipse.swt.graphics.Color color)
Create a ZoomIndicator for this slider with default color

ZoomIndicator(ZoomSlider slider, double value)
Create a ZoomIndicator for this slider with default color

ZoomIndicator(ZoomSlider slider, double value, org.eclipse.swt.graphics.Color color)
Create a ZoomIndicator for this slider

Method Summary

void	dispose() Dispose of ZoomIndicator resources
org.eclipse.swt.graphics.Color	getColor() Get the color of this indicator
double	getValue() Get the indicators value
ZoomSlider	getZoomSlider() Get the ZoomSlider this indicator is assigned to
void	paint(org.eclipse.swt.graphics.GC g, org.eclipse.swt.graphics.Image backBuffer, int pos, int w) Paint this ZoomIndicator on the ZoomSlider GC
void	setBaseValue(double value) Set the base value of this indicator.
void	setColor(org.eclipse.swt.graphics.Color color) Set the color of this indicator
void	setValue(double value) Set this indicators value
void	setXORColor() Set the XOR color of this indicator
void	setZoomSlider(ZoomSlider slider) Set the ZoomSlider this indicator is assigned to

Methods inherited from class java.lang.Object

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

Field Detail

slider

protected ZoomSlider slider

The ZoomSlider this indicator resides on

color

protected org.eclipse.swt.graphics.Color color

xorColor

protected org.eclipse.swt.graphics.Color xorColor

Constructor Detail

ZoomIndicator

public ZoomIndicator(ZoomSlider slider)

Create a ZoomIndicator for this slider, with default initial value and color

Parameters:

slider - the ZoomSlider for this indicator

ZoomIndicator

public ZoomIndicator(ZoomSlider slider,
                     double value)

Create a ZoomIndicator for this slider with default color

Parameters:

slider - the ZoomSlider for this indicator

value - the initial indicator value

ZoomIndicator

public ZoomIndicator(ZoomSlider slider,
                     org.eclipse.swt.graphics.Color color)

Create a ZoomIndicator for this slider with default color

Parameters:

slider - the ZoomSlider for this indicator

color - the initial color of this indicator

ZoomIndicator

public ZoomIndicator(ZoomSlider slider,
                     double value,
                     org.eclipse.swt.graphics.Color color)

Create a ZoomIndicator for this slider

Parameters:

slider - the ZoomSlider for this indicator

color - the initial color of this indicator

value - the initial indicator value

Method Detail

setZoomSlider

public void setZoomSlider(ZoomSlider slider)

Set the ZoomSlider this indicator is assigned to

Parameters:

slider - the ZoomSlider

getZoomSlider

public ZoomSlider getZoomSlider()

Get the ZoomSlider this indicator is assigned to

Returns:

the ZoomSlider

setBaseValue

public void setBaseValue(double value)

Set the base value of this indicator. The base indicator provides the second bound of the indicator, but is typically static.

Parameters:

value -

setValue

public void setValue(double value)

Set this indicators value

Parameters:

value - the indicators value

getValue

public double getValue()

Get the indicators value

Returns:

the value

setColor

public void setColor(org.eclipse.swt.graphics.Color color)

Set the color of this indicator

Parameters:

color - the new Color of this indicator

getColor

public org.eclipse.swt.graphics.Color getColor()

Get the color of this indicator

Returns:

the Color of this indicator

paint

public void paint(org.eclipse.swt.graphics.GC g,
                  org.eclipse.swt.graphics.Image backBuffer,
                  int pos,
                  int w)

Paint this ZoomIndicator on the ZoomSlider GC

Parameters:

g - the GC on which to paint

backBuffer - the background Image of this slider

pos - the position to draw this indicator (if there are multiple indicators)

w - the width of this ZoomIndicator

setXORColor

public void setXORColor()

Set the XOR color of this indicator

dispose

public void dispose()

Dispose of ZoomIndicator resources