org.swtchart.internal.series

Class BarSeries

java.lang.Object

org.swtchart.internal.series.Series

org.swtchart.internal.series.BarSeries

All Implemented Interfaces:

IBarSeries, ISeries

public class BarSeries
extends Series
implements IBarSeries

Bar series.

Nested Class Summary

Nested classes/interfaces inherited from interface org.swtchart.IBarSeries

IBarSeries.BarWidthStyle

Nested classes/interfaces inherited from interface org.swtchart.ISeries

ISeries.SeriesType

Field Summary

Fields

Modifier and Type	Field and Description
private static int	ALPHA the alpha value
private org.eclipse.swt.graphics.Color	barColor the riser color
private int	barWidth the bar width
private IBarSeries.BarWidthStyle	barWidthStyle the bar width style
private static int	DEFAULT_BAR_COLOR the default bar color
static int	INITIAL_BAR_WIDTH the initial bar width in pixels
static int	INITIAL_PADDING the initial bar padding in percentage
private static int	MARGIN_AT_MIN_MAX_PLOT the margin in pixels attached at the minimum/maximum plot
private int	padding the padding
private int	riserIndex the riser index in a category

Fields inherited from class org.swtchart.internal.series.Series

chart, compressor, DEFAULT_SERIES_TYPE, id, isXMonotoneIncreasing, maxX, maxY, minX, minY, seriesLabel, stackEnabled, stackSeries, type, visible, xAxisId, xErrorBar, xSeries, yAxisId, yErrorBar, ySeries

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BarSeries(Chart chart, java.lang.String id) Constructor.

Method Summary

Modifier and Type	Method and Description
protected void	draw(org.eclipse.swt.graphics.GC gc, int width, int height, Axis xAxis, Axis yAxis) Draws series.
private void	drawRiser(org.eclipse.swt.graphics.GC gc, int h, int v, int width, int height) Draws riser.
Range	getAdjustedRange(Axis axis, int length) Gets the adjusted range to show all series in screen.
org.eclipse.swt.graphics.Color	getBarColor() Gets the bar color.
int	getBarPadding() Gets the bar padding in percentage.
int	getBarWidth() Gets the bar width in pixels.
IBarSeries.BarWidthStyle	getBarWidthStyle(IBarSeries.BarWidthStyle style) Gets the bar width style.
org.eclipse.swt.graphics.Rectangle[]	getBounds() Gets the array of bar rectangles.
private org.eclipse.swt.graphics.Rectangle[]	getBoundsForCompressedSeries() Gets the array of bar rectangles for compressed series.
private static org.eclipse.swt.graphics.Color	getFrameColor(org.eclipse.swt.graphics.Color color) Gets the color for riser frame.
private int	getRiserWidth(double[] series, int index, Axis xAxis, double min, double max) Gets the riser width.
private org.eclipse.swt.graphics.Rectangle	getVisibleRectangle(int x, int y, int width, int height) Gets the rectangle that is visible part of given rectangle.
void	setBarColor(org.eclipse.swt.graphics.Color color) Sets the bar color.
void	setBarPadding(int padding) Sets the bar padding in percentage.
void	setBarWidth(int width) Sets the bar width in pixels.
void	setBarWidthStyle(IBarSeries.BarWidthStyle style) Sets the bar width style.
protected void	setCompressor() Sets the compressor.
protected void	setRiserIndex(int riserIndex) Sets the index of riser in a category.

Methods inherited from class org.swtchart.internal.series.Series

addDisposeListener, dispose, draw, enableStack, getCompressor, getDescription, getId, getLabel, getPixelCoordinates, getRangeWithMargin, getType, getXAxisId, getXDateSeries, getXErrorBar, getXRange, getXSeries, getYAxisId, getYErrorBar, getYRange, getYSeries, isDateSeries, isStackEnabled, isValidStackSeries, isVisible, isVisibleInLegend, setDescription, setStackSeries, setVisible, setVisibleInLegend, setXAxisId, setXDateSeries, setXSeries, setYAxisId, setYSeries

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.swtchart.ISeries

addDisposeListener, enableStack, getDescription, getId, getLabel, getPixelCoordinates, getType, getXAxisId, getXDateSeries, getXErrorBar, getXSeries, getYAxisId, getYErrorBar, getYSeries, isStackEnabled, isVisible, isVisibleInLegend, setDescription, setVisible, setVisibleInLegend, setXAxisId, setXDateSeries, setXSeries, setYAxisId, setYSeries

Field Detail

riserIndex

private int riserIndex

the riser index in a category

barColor

private org.eclipse.swt.graphics.Color barColor

the riser color

barWidth

private int barWidth

the bar width

padding

private int padding

the padding

barWidthStyle

private IBarSeries.BarWidthStyle barWidthStyle

the bar width style

INITIAL_BAR_WIDTH

public static final int INITIAL_BAR_WIDTH

the initial bar width in pixels

See Also:

Constant Field Values

INITIAL_PADDING

public static final int INITIAL_PADDING

the initial bar padding in percentage

See Also:

Constant Field Values

ALPHA

private static final int ALPHA

the alpha value

See Also:

Constant Field Values

MARGIN_AT_MIN_MAX_PLOT

private static final int MARGIN_AT_MIN_MAX_PLOT

the margin in pixels attached at the minimum/maximum plot

See Also:

Constant Field Values

DEFAULT_BAR_COLOR

private static final int DEFAULT_BAR_COLOR

the default bar color

See Also:

Constant Field Values

Constructor Detail

BarSeries

protected BarSeries(Chart chart,
                    java.lang.String id)

Constructor.

Parameters:

chart - the chart

id - the series id

Method Detail

getBarWidthStyle

public IBarSeries.BarWidthStyle getBarWidthStyle(IBarSeries.BarWidthStyle style)

Description copied from interface: IBarSeries

Gets the bar width style.

Specified by:

getBarWidthStyle in interface IBarSeries

Parameters:

style - the bar width style

Returns:

the bar width style

setBarWidthStyle

public void setBarWidthStyle(IBarSeries.BarWidthStyle style)

Description copied from interface: IBarSeries

Sets the bar width style. The default is BarWidthStyle.STRETCHED .

Specified by:

setBarWidthStyle in interface IBarSeries

Parameters:

style - the bar width style

getBarWidth

public int getBarWidth()

Description copied from interface: IBarSeries

Gets the bar width in pixels.

Specified by:

getBarWidth in interface IBarSeries

Returns:

the bar width in pixels

setBarWidth

public void setBarWidth(int width)

Description copied from interface: IBarSeries

Sets the bar width in pixels. The specified bar width is active only when the bar width style is set to BarWidthStyle.FIXED.

Specified by:

setBarWidth in interface IBarSeries

Parameters:

width - the bar width in pixels

getBarPadding

public int getBarPadding()

Description copied from interface: IBarSeries

Gets the bar padding in percentage.

Specified by:

getBarPadding in interface IBarSeries

Returns:

the bar padding in percentage

setBarPadding

public void setBarPadding(int padding)

Description copied from interface: IBarSeries

Sets the bar padding in percentage. The specified padding is active only when the bar width style is set to BarWidthStyle.STRETCHED.

Specified by:

setBarPadding in interface IBarSeries

Parameters:

padding - the bar padding in percentage

getBarColor

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

Description copied from interface: IBarSeries

Gets the bar color.

Specified by:

getBarColor in interface IBarSeries

Returns:

the bar color

setBarColor

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

Description copied from interface: IBarSeries

Sets the bar color. If null is given, default color will be set.

Specified by:

setBarColor in interface IBarSeries

Parameters:

color - the bar color

getBounds

public org.eclipse.swt.graphics.Rectangle[] getBounds()

Description copied from interface: IBarSeries

Gets the array of bar rectangles. This method is typically used for mouse listener to check whether mouse cursor is on bar.

The returned array has the same size as data points. Depending on X axis range, some bars can be out of screen. In this case, the rectangles for invisible bars will be null in the returned array.

Specified by:

getBounds in interface IBarSeries

Returns:

the array of bar rectangles in pixels.

getBoundsForCompressedSeries

private org.eclipse.swt.graphics.Rectangle[] getBoundsForCompressedSeries()

Gets the array of bar rectangles for compressed series.

Returns:

the array of bar rectangles for compressed series

getVisibleRectangle

private org.eclipse.swt.graphics.Rectangle getVisibleRectangle(int x,
                                                               int y,
                                                               int width,
                                                               int height)

Gets the rectangle that is visible part of given rectangle.

Parameters:

x - The x coordinate

y - The y coordinate

width - the width

height - The height

Returns:

The visible rectangle

setRiserIndex

protected void setRiserIndex(int riserIndex)

Sets the index of riser in a category.

Parameters:

riserIndex - the index of riser in a category

setCompressor

protected void setCompressor()

Description copied from class: Series

Sets the compressor.

Specified by:

setCompressor in class Series

getAdjustedRange

public Range getAdjustedRange(Axis axis,
                              int length)

Description copied from class: Series

Gets the adjusted range to show all series in screen. This range includes the size of plot like symbol or bar.

Specified by:

getAdjustedRange in class Series

Parameters:

axis - the axis

length - the axis length in pixels

Returns:

the adjusted range

getRiserWidth

private int getRiserWidth(double[] series,
                          int index,
                          Axis xAxis,
                          double min,
                          double max)

Gets the riser width.

Parameters:

series - the X series

index - the series index

xAxis - the X axis

min - the min value of range

max - the max value of range

Returns:

the raiser width in pixels

getFrameColor

private static org.eclipse.swt.graphics.Color getFrameColor(org.eclipse.swt.graphics.Color color)

Gets the color for riser frame. The color will be darker or lighter than the given color.

Parameters:

color - the riser color

Returns:

the riser frame color

draw

protected void draw(org.eclipse.swt.graphics.GC gc,
                    int width,
                    int height,
                    Axis xAxis,
                    Axis yAxis)

Description copied from class: Series

Draws series.

Specified by:

draw in class Series

Parameters:

gc - the graphics context

width - the width to draw series

height - the height to draw series

xAxis - the x axis

yAxis - the y axis

drawRiser

private void drawRiser(org.eclipse.swt.graphics.GC gc,
                       int h,
                       int v,
                       int width,
                       int height)

Draws riser.

Parameters:

gc - the graphics context

h - the horizontal coordinate

v - the vertical coordinate

width - the riser width

height - the riser height