com.telerik.widget.chart.visualization.behaviors

Class ChartDataContext

java.lang.Object

com.telerik.widget.chart.visualization.behaviors.ChartDataContext

public class ChartDataContext
extends Object

An object of this type is used as a data context for chart's behaviors. For example the tool tip behavior can use a chart data context to populate its tool tip template with data.

Constructor Summary

Constructors

Constructor and Description
ChartDataContext(RadChartViewBase chart, List<DataPointInfo> infos, List<DataPoint> dataPoints, DataPointInfo closestPoint) Creates a new instance of the ChartDataContext class.

Method Summary

Modifier and Type	Method and Description
RadChartViewBase	chart() Returns the chart that created this context.
DataPointInfo	getClosestDataPoint() Gets an object that contains the closest data point to the tap lastLocation and the series object to which the data point belongs.
List<DataPointInfo>	getDataPointInfos() Gets a list of data point infos each of which contains the closest data point to the tap lastLocation and the point's corresponding series.
List<DataPoint>	getDataPoints()
Point	getTouchLocation() Gets the physical point (in coordinates, relative to the chart surface) this context is associated with.
void	setClosestDataPoint(DataPointInfo value) Sets an object that contains the closest data point to the tap lastLocation and the series object to which the data point belongs.
void	setDataPointInfos(List<DataPointInfo> value) Sets a list of data point infos each of which contains the closest data point to the tap lastLocation and the point's corresponding series.
void	setTouchLocation(Point value) Sets the physical point (in coordinates, relative to the chart surface) this context is associated with.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChartDataContext

public ChartDataContext(RadChartViewBase chart,
                        List<DataPointInfo> infos,
                        List<DataPoint> dataPoints,
                        DataPointInfo closestPoint)

Creates a new instance of the ChartDataContext class.

Parameters:

infos - set of data point infos.

closestPoint - the closest data point.

Method Detail

chart

public RadChartViewBase chart()

Returns the chart that created this context.

getTouchLocation

public Point getTouchLocation()

Gets the physical point (in coordinates, relative to the chart surface) this context is associated with.

Returns:

the current touch lastLocation.

See Also:

Point

setTouchLocation

public void setTouchLocation(Point value)

Sets the physical point (in coordinates, relative to the chart surface) this context is associated with.

Parameters:

value - the new touch point.

See Also:

Point

getClosestDataPoint

public DataPointInfo getClosestDataPoint()

Gets an object that contains the closest data point to the tap lastLocation and the series object to which the data point belongs.

Returns:

the current closest data point.

See Also:

DataPointInfo

setClosestDataPoint

public void setClosestDataPoint(DataPointInfo value)

Sets an object that contains the closest data point to the tap lastLocation and the series object to which the data point belongs.

Parameters:

value - the new closest data point.

See Also:

DataPointInfo

getDataPointInfos

public List<DataPointInfo> getDataPointInfos()

Gets a list of data point infos each of which contains the closest data point to the tap lastLocation and the point's corresponding series.

Returns:

the current set of data point infos.

setDataPointInfos

public void setDataPointInfos(List<DataPointInfo> value)

Sets a list of data point infos each of which contains the closest data point to the tap lastLocation and the point's corresponding series.

Parameters:

value - the new set of data point infos.

getDataPoints

public List<DataPoint> getDataPoints()