com.github.mikephil.charting.highlight

Class BarHighlighter

java.lang.Object

com.github.mikephil.charting.highlight.ChartHighlighter<BarDataProvider>

com.github.mikephil.charting.highlight.BarHighlighter

Direct Known Subclasses:

HorizontalBarHighlighter

public class BarHighlighter
extends ChartHighlighter<BarDataProvider>

Created by Philipp Jahoda on 22/07/15.

Field Summary

Fields inherited from class com.github.mikephil.charting.highlight.ChartHighlighter

mChart

Constructor Summary

Constructors

Constructor and Description
BarHighlighter(BarDataProvider chart)

Method Summary

Modifier and Type	Method and Description
protected float	getBase(float x) Returns the base x-value to the corresponding x-touch value in pixels.
protected int	getClosestStackIndex(Range[] ranges, float value) Returns the index of the closest value inside the values array / ranges (stacked barchart) to the value given as a parameter.
protected int	getDataSetIndex(int xIndex, float x, float y) Returns the corresponding dataset-index for a given xIndex and xy-touch position in pixels.
Highlight	getHighlight(float x, float y) Returns a Highlight object corresponding to the given x- and y- touch positions in pixels.
protected Range[]	getRanges(BarEntry entry) Splits up the stack-values of the given bar-entry into Range objects.
protected Highlight	getStackedHighlight(Highlight old, BarDataSet set, int xIndex, int dataSetIndex, double yValue) This method creates the Highlight object that also indicates which value of a stacked BarEntry has been selected.
protected int	getXIndex(float x) Returns the corresponding x-index for a given touch-position in pixels.

Methods inherited from class com.github.mikephil.charting.highlight.ChartHighlighter

getSelectionDetailsAtIndex

Methods inherited from class java.lang.Object

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

Constructor Detail

BarHighlighter

public BarHighlighter(BarDataProvider chart)

Method Detail

getHighlight

public Highlight getHighlight(float x,
                              float y)

Description copied from class: ChartHighlighter

Returns a Highlight object corresponding to the given x- and y- touch positions in pixels.

Overrides:

getHighlight in class ChartHighlighter<BarDataProvider>

Returns:

getXIndex

protected int getXIndex(float x)

Description copied from class: ChartHighlighter

Returns the corresponding x-index for a given touch-position in pixels.

Overrides:

getXIndex in class ChartHighlighter<BarDataProvider>

Returns:

getDataSetIndex

protected int getDataSetIndex(int xIndex,
                              float x,
                              float y)

Description copied from class: ChartHighlighter

Returns the corresponding dataset-index for a given xIndex and xy-touch position in pixels.

Overrides:

getDataSetIndex in class ChartHighlighter<BarDataProvider>

Returns:

getStackedHighlight

protected Highlight getStackedHighlight(Highlight old,
                                        BarDataSet set,
                                        int xIndex,
                                        int dataSetIndex,
                                        double yValue)

This method creates the Highlight object that also indicates which value of a stacked BarEntry has been selected.

Parameters:

old - the old highlight object before looking for stacked values

set -

xIndex -

dataSetIndex -

yValue -

Returns:

getClosestStackIndex

protected int getClosestStackIndex(Range[] ranges,
                                   float value)

Returns the index of the closest value inside the values array / ranges (stacked barchart) to the value given as a parameter.

Parameters:

ranges -

value -

Returns:

getBase

protected float getBase(float x)

Returns the base x-value to the corresponding x-touch value in pixels.

Parameters:

x -

Returns:

getRanges

protected Range[] getRanges(BarEntry entry)

Splits up the stack-values of the given bar-entry into Range objects.

Parameters:

entry -

Returns: