lt.monarch.chart.plugins
Class MarkerValuePlugin

java.lang.Object
  lt.monarch.chart.plugins.AbstractChartPlugin<Chart2D>
      lt.monarch.chart.plugins.MarkerValuePlugin

All Implemented Interfaces:

java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.io.Serializable, java.util.EventListener, ChartPlugin<Chart2D>

public class MarkerValuePlugin
extends AbstractChartPlugin<Chart2D>
implements java.awt.event.MouseMotionListener, java.awt.event.MouseListener

Plug-in for Chart2D axis, which implements line value markers showing

See Also:

Serialized Form

Nested Class Summary

Modifier and Type	Class and Description
static interface	MarkerValuePlugin.ValueChangeListener

Constructor and Description

MarkerValuePlugin(Axis2D axis)
Constructs a new MarkerValuePlugin for the specified axis.

MarkerValuePlugin(Axis2D axis, Point2D markerLocation, boolean onlyFollowDrag)
Constructs a new MarkerValuePlugin for the specified axis.

Method Summary

Modifier and Type	Method and Description
void	activate() Prepares the plug-in, when it is installed.
void	addListener(MarkerValuePlugin.ValueChangeListener listener) Registers a value change listener
void	deactivate() Cleanups the plug-in, when it is uninstalled.
protected void	fireMarkerPositionChanged(double projectedLevel) Forwards the given notification event to all ValueChangeListener objects that registered themselves as listeners for this chart plugin.
Marker	getMarker()
MarkerLine	getMarkerLine()
double	getRotationAngle() Returns rotation angle (in radians) of marker.
void	mouseClicked(java.awt.event.MouseEvent e)
void	mouseDragged(java.awt.event.MouseEvent e)
void	mouseEntered(java.awt.event.MouseEvent e)
void	mouseExited(java.awt.event.MouseEvent e)
void	mouseMoved(java.awt.event.MouseEvent e)
void	mousePressed(java.awt.event.MouseEvent e)
void	mouseReleased(java.awt.event.MouseEvent e)
void	paint(AbstractGraphics g) Does nothing- must be overridden in extending classes.
void	removeListener(MarkerValuePlugin.ValueChangeListener listener) Unregisters a value change listener
void	setMarker(Marker marker) Sets marker.
void	setMarkerLine(MarkerLine markerLine) Sets marker line to the plugin.
void	setRotationAngle(double rotationAngle) Sets rotation angle of marker.

Methods inherited from class lt.monarch.chart.plugins.AbstractChartPlugin

adjustChart, chart, getChart, install, isActivated, uninstall

Methods inherited from class java.lang.Object

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

Constructor Detail

MarkerValuePlugin

public MarkerValuePlugin(Axis2D axis)

Constructs a new MarkerValuePlugin for the specified axis.

Parameters:

axis - Axis to which the marker and marker line will be attached.

MarkerValuePlugin

public MarkerValuePlugin(Axis2D axis,
                         Point2D markerLocation,
                         boolean onlyFollowDrag)

Constructs a new MarkerValuePlugin for the specified axis.

Parameters:

axis - Axis to which the marker and marker line will be attached.

markerLocation - starting marker location in normalized range.

onlyFollowDrag - should the marker be translated when it is dragged or when chart is pressed where it could be located.

Method Detail

addListener

public void addListener(MarkerValuePlugin.ValueChangeListener listener)

Registers a value change listener

Parameters:

listener - value change listener

removeListener

public void removeListener(MarkerValuePlugin.ValueChangeListener listener)

Unregisters a value change listener

Parameters:

listener - value change listener

activate

public void activate()

Description copied from class: AbstractChartPlugin

Prepares the plug-in, when it is installed. Also called when chart is activated.

Specified by:

activate in class AbstractChartPlugin<Chart2D>

deactivate

public void deactivate()

Description copied from class: AbstractChartPlugin

Cleanups the plug-in, when it is uninstalled. Also called when chart is deactivated.

Specified by:

deactivate in class AbstractChartPlugin<Chart2D>

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Specified by:

mouseExited in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Specified by:

mouseReleased in interface java.awt.event.MouseListener

paint

public void paint(AbstractGraphics g)

Description copied from class: AbstractChartPlugin

Does nothing- must be overridden in extending classes.

Specified by:

paint in interface ChartPlugin<Chart2D>

Overrides:

paint in class AbstractChartPlugin<Chart2D>

Parameters:

g - the Graphics context in which chart is painted

See Also:

ChartPlugin.paint(lt.monarch.chart.engine.AbstractGraphics)

getRotationAngle

public double getRotationAngle()

Returns rotation angle (in radians) of marker.

Returns:

Rotation angle in radians

setRotationAngle

public void setRotationAngle(double rotationAngle)

Sets rotation angle of marker. Given angle has to be in radians.

Parameters:

rotationAngle - Rotation angle of marker

getMarkerLine

public MarkerLine getMarkerLine()

setMarkerLine

public void setMarkerLine(MarkerLine markerLine)

Sets marker line to the plugin.

Parameters:

markerLine -

getMarker

public Marker getMarker()

setMarker

public void setMarker(Marker marker)

Sets marker. Marer's position is controlled by plugin.

Parameters:

marker -

fireMarkerPositionChanged

protected void fireMarkerPositionChanged(double projectedLevel)

Forwards the given notification event to all ValueChangeListener objects that registered themselves as listeners for this chart plugin.

Parameters:

event - the event to be forwarded