org.rhq.enterprise.gui.image.chart
Class HighLowChart

java.lang.Object
  org.rhq.enterprise.gui.image.WebImage
      org.rhq.enterprise.gui.image.chart.Chart
          org.rhq.enterprise.gui.image.chart.VerticalChart
              org.rhq.enterprise.gui.image.chart.ColumnChart
                  org.rhq.enterprise.gui.image.chart.HighLowChart

public class HighLowChart
extends ColumnChart

HighLowChart draws a horizontal chart with columns that display the high, low and average values for each time unit on the chart. For a description of how to use LineChart, see net.hyperic.chart.Chart.

See Also:

net.hyperic.chart.Chart

Field Summary

protected static Color	DEFAULT_HIGHLOW_COLOR
protected static int	DEFAULT_HIGHLOW_HEIGHT
Color	highLowColor Color of High-Low bars.

Fields inherited from class org.rhq.enterprise.gui.image.chart.ColumnChart

columnColor, columnWidth, DEFAULT_COLUMN_COLOR, DEFAULT_COLUMN_WIDTH, isCumulative

Fields inherited from class org.rhq.enterprise.gui.image.chart.VerticalChart

DANGER_COLOR, DEFAULT_COLORS, GOOD_COLOR, UNKNOWN_COLOR

Fields inherited from class org.rhq.enterprise.gui.image.chart.Chart

ARG_MUST_BE_ZERO_OR_GREATER, averageLineColor, AVG, baseline, BASELINE, baselineColor, ceiling, chartColor, DEFAULT_LABEL_FONT, DEFAULT_LEGEND_FONT, DEFAULT_LEGEND_PLAIN, DEFAULT_UNIT_LEGEND, DEFAULT_VALUE_LEGEND, EMPTY_STRING, floor, highRange, highRangeColor, legendFont, legendTextColor, lineWidth, LOW, lowLineColor, lowRange, lowRangeColor, m_adRangeMarks, m_bNoData, m_dAvgValue, m_dLowValue, m_dPeakValue, m_floor, m_fmtUnits, m_metricsLabel, m_metricsLegend, PEAK, peakLineColor, rightLabelWidth, showAverage, showBaseline, showBottomLabels, showBottomLegend, showFullLabels, showHighRange, showLeftLabels, showLeftLegend, showLow, showLowRange, showPeak, showRightLabels, showRightLegend, showTopLabels, showTopLegend, showUnitLines, showValueLines, showValues, textWhitespace, tickMarkHeight, valueIndent, valueLines, VARIABLE_HEIGHT, VARIABLE_WIDTH, x2VertLabels, x2VertMarks, xLabelsSkip, xLineColor, xOffset, xRLabel, xVertLegend, xVertMarks, yBottomLegend, yHorzLabels, yOffset, yTopLegend

Fields inherited from class org.rhq.enterprise.gui.image.WebImage

antiAliased, ARG_CANNOT_BE_NULL, backgroundColor, bottomBorder, DEFAULT_BACKGROUND_COLOR, DEFAULT_BOLD_TYPEFACE, DEFAULT_BORDER_COLOR, DEFAULT_BORDER_SIZE, DEFAULT_FONT, DEFAULT_FONT_METRICS, DEFAULT_HEIGHT, DEFAULT_PLAIN_TYPEFACE, DEFAULT_SHADOW_WIDTH, DEFAULT_WIDTH, font, frameImage, height, indexColors, leftBorder, m_graphics, rightBorder, shadowWidth, SMALL_FONT, textColor, topBorder, width

Constructor Summary

HighLowChart()

HighLowChart(int width)

HighLowChart(int width, int height)

Method Summary

protected void	calcRanges() Calculates the high, low and average values of the chart data set.
Color	getHighLowLineColor() Retrieves the color of the high-low line.
protected void	init()
protected void	paint(ChartGraphics g, Rectangle rect)
void	setHighLowLineColor(Color value) Sets the color of the columns.

Methods inherited from class org.rhq.enterprise.gui.image.chart.ColumnChart

checkHighLow

Methods inherited from class org.rhq.enterprise.gui.image.chart.VerticalChart

adjustBorders, adjustRectangle, draw, findDataPointIndex, getCumulativeTrend, getDataPoint, getDataPoint, getInteriorRectangle, getXLabels, getXPoints, getYLabelWidth, initData, setCumulativeTrend, setTimeScale

Methods inherited from class org.rhq.enterprise.gui.image.chart.Chart

calc, calcVariableHeight, calcVariableWidth, draw, getAverageValue, getDataCollectionClass, getDataPoint, getDataPoints, getDataPoints, getDataSetCount, getDataSetIterator, getDisplayPoint, getExteriorHeight, getExteriorRectangle, getLowValue, getNoDataString, getPeakValue, getTitle, getUnitLabel, getUnitLegend, getValueLegend, getXLabelHeight, getXLabelWidth, getXLegendHeight, hasData, initFonts, postInit, preInit, scale, setFormat, setNoDataString, setNumberDataSets, setTitle, setUnitLegend, setValueLegend

Methods inherited from class org.rhq.enterprise.gui.image.WebImage

getFontMetrics, getImage, getTextCenter, getTextCenter, getTextCenter, isRunnable, setBorder, writeJpegImage, writeJpegImage, writePngImage, writePngImage

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_HIGHLOW_COLOR

protected static final Color DEFAULT_HIGHLOW_COLOR

DEFAULT_HIGHLOW_HEIGHT

protected static final int DEFAULT_HIGHLOW_HEIGHT

See Also:

Constant Field Values

highLowColor

public Color highLowColor

Color of High-Low bars.

Constructor Detail

HighLowChart

public HighLowChart()

HighLowChart

public HighLowChart(int width)

HighLowChart

public HighLowChart(int width,
                    int height)

Method Detail

init

protected void init()

Overrides:

init in class ColumnChart

getHighLowLineColor

public Color getHighLowLineColor()

Retrieves the color of the high-low line.

Returns:

A java.awt.Color object that contains the color of the columns.

See Also:

Color

setHighLowLineColor

public void setHighLowLineColor(Color value)

Sets the color of the columns.

Parameters:

value - A java.awt.Color object that contains the color of the high-low line.

Throws:

IllegalArgumentException - If the value parameter is null.

See Also:

Color

paint

protected void paint(ChartGraphics g,
                     Rectangle rect)

Overrides:

paint in class ColumnChart

calcRanges

protected void calcRanges()

Description copied from class: Chart

Calculates the high, low and average values of the chart data set.

Overrides:

calcRanges in class Chart