com.telerik.widget.chart.engine.dataPoints

Class DataPoint

java.lang.Object

com.telerik.widget.chart.engine.propertyStore.PropertyBagObject

com.telerik.widget.chart.engine.elementTree.ChartNode

com.telerik.widget.chart.engine.dataPoints.DataPoint

Direct Known Subclasses:

CategoricalDataPointBase, ScatterDataPoint, SingleValueDataPoint

public abstract class DataPoint
extends ChartNode

Base class for all points that may be plotted by a ChartPlotAreaModel.

Field Summary

Fields

Modifier and Type	Field and Description
RadSize	desiredSize The actual size of the data point.
boolean	isEmpty States whether the current data point is empty.
boolean	isPositive States whether the current data point is positive.

Fields inherited from class com.telerik.widget.chart.engine.elementTree.ChartNode

PROPERTY_CHANGED_MESSAGE, PROPERTY_CHANGING_MESSAGE, trackPropertyChanged, trackPropertyChanging

Method Summary

Modifier and Type	Method and Description
Point	getCenter() Gets the center of the data point.
double	getCenterX() Gets the center along the x axis.
double	getCenterY() Gets the center along the y axis.
Object	getDataItem() Gets the Object instance that represents the data associated with this point. Valid when the owning ChartSeries is data-bound.
boolean	getIsSelected() Gets a value indicating whether the data point is currently in a "Selected" state.
Object	getLabel() Gets the label associated with this point.
Object[]	getTooltipTokens() Gets the Object that may be displayed for this data point by the widget tooltip.
Object	getValueForAxis(AxisModel axis) Gets value corresponding to the given axis which varies among the different types of axes and chart implementations.
void	setDataItem(Object value) Gets the Object instance that represents the data associated with this point. Valid when the owning ChartSeries is data-bound.
void	setIsSelected(boolean value) Sets a value indicating whether the data point is currently in a "Selected" state.
void	setLabel(Object value) Sets the label associated with this point.
void	setValueFromAxis(AxisModel axis, Object value) Sets a value by converting it to a plot instance corresponding to the current chart type and assigns it accordingly to the type of the given axis.

Methods inherited from class com.telerik.widget.chart.engine.elementTree.ChartNode

applyLayoutRounding, arrange, arrange, chartArea, clearValue, collectionIndex, getLayoutSlot, getNodeState, getParent, getPresenter, index, invalidate, isTreeLoaded, isVisible, load, setIsVisible, setParent, setValue

Methods inherited from class com.telerik.widget.chart.engine.propertyStore.PropertyBagObject

getTypedValue, getValue, isLocalValue

Methods inherited from class java.lang.Object

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

Field Detail

isPositive

public boolean isPositive

States whether the current data point is positive.

isEmpty

public boolean isEmpty

States whether the current data point is empty.

desiredSize

public RadSize desiredSize

The actual size of the data point.

Method Detail

getLabel

public Object getLabel()

Gets the label associated with this point.

Returns:

the associated label.

setLabel

public void setLabel(Object value)

Sets the label associated with this point.

Parameters:

value - the new label.

getDataItem

public Object getDataItem()

Gets the Object instance that represents the data associated with this point. Valid when the owning ChartSeries is data-bound.

Returns:

the current data item.

setDataItem

public void setDataItem(Object value)

Gets the Object instance that represents the data associated with this point. Valid when the owning ChartSeries is data-bound.

Parameters:

value - the new data item.

getIsSelected

public boolean getIsSelected()

Gets a value indicating whether the data point is currently in a "Selected" state.

Returns:

the selected state of the point.

setIsSelected

public void setIsSelected(boolean value)

Sets a value indicating whether the data point is currently in a "Selected" state.

Parameters:

value - the new state of the point.

getTooltipTokens

public Object[] getTooltipTokens()

Gets the Object that may be displayed for this data point by the widget tooltip.

Returns:

the object to display for the current data point.

getValueForAxis

public Object getValueForAxis(AxisModel axis)

Gets value corresponding to the given axis which varies among the different types of axes and chart implementations.

Parameters:

axis - the axis to which the value is associated.

Returns:

the corresponding value.

setValueFromAxis

public void setValueFromAxis(AxisModel axis,
                             Object value)

Sets a value by converting it to a plot instance corresponding to the current chart type and assigns it accordingly to the type of the given axis.

Parameters:

axis - the axis providing the type of assignment that will occur.

value - the value from which to generate the plot info.

getCenterX

public double getCenterX()

Gets the center along the x axis.

Returns:

the center along the x axis.

getCenterY

public double getCenterY()

Gets the center along the y axis.

Returns:

the center along the y axis.

getCenter

public Point getCenter()

Gets the center of the data point.

Returns:

the center of the data point.