JRBaseMeterPlot (JasperReports API version 2.0.4)

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net.sf.jasperreports.charts.base
Class JRBaseMeterPlot

java.lang.Object
  net.sf.jasperreports.engine.base.JRBaseChartPlot
      net.sf.jasperreports.charts.base.JRBaseMeterPlot

All Implemented Interfaces:: java.io.Serializable, JRMeterPlot, JRChangeEventsSupport, JRChartPlot

Direct Known Subclasses:: JRDesignMeterPlot

public class JRBaseMeterPlot
extends JRBaseChartPlot
implements JRMeterPlot
extends JRBaseChartPlot
implements JRMeterPlot

An immutable representation of the layout of a Meter chart.

Version:: $Id: JRBaseMeterPlot.java 1994 2007-12-05 13:48:10Z teodord $
Author:: Barry Klawans (bklawans@users.sourceforge.net)
See Also:: Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class net.sf.jasperreports.engine.base.JRBaseChartPlot
`JRBaseChartPlot.JRBaseSeriesColor`

Nested classes/interfaces inherited from interface net.sf.jasperreports.engine.JRChartPlot
`JRChartPlot.JRSeriesColor`

Field Summary
`protected JRDataRange`	`dataRange` The range displayed by the Meter.
`protected java.util.List`	`intervals` The defined intervals for the Meter.
`protected int`	`meterAngle` The extend of the meter face in degrees.
`protected java.awt.Color`	`meterBackgroundColor` The color to use for the face of the meter.
`protected java.awt.Color`	`needleColor` The color to use for the pointer on the meter.
`protected byte`	`shape` The shape to use when drawing the Meter.
`protected java.awt.Color`	`tickColor` The color to use for each tick on the face of the meter.
`protected double`	`tickInterval` How often to draw ticks around the face of the meter.
`protected java.lang.String`	`units` Optional description of what the meter is displaying.
`protected JRValueDisplay`	`valueDisplay` Formatting information for the textual display of the value.

Fields inherited from class net.sf.jasperreports.engine.base.JRBaseChartPlot
`backcolor, backgroundAlpha, chart, foregroundAlpha, labelRotation, orientation, PROPERTY_BACKCOLOR, PROPERTY_BACKGROUND_ALPHA, PROPERTY_FOREGROUND_ALPHA, PROPERTY_LABEL_ROTATION, PROPERTY_ORIENTATION, PROPERTY_SERIES_COLORS, seriesColors`

Fields inherited from interface net.sf.jasperreports.charts.JRMeterPlot
`SHAPE_CHORD, SHAPE_CIRCLE, SHAPE_PIE`

Constructor Summary
`JRBaseMeterPlot(JRChartPlot meterPlot, JRChart chart)` Constructs a copy of an existing meter.
`JRBaseMeterPlot(JRMeterPlot meterPlot, JRBaseObjectFactory factory)` Constructs a copy of an existing meter and registers all expressions maintained by the meter plot with a factory.

Method Summary
`java.lang.Object`	`clone(JRChart parentChart)`
`void`	`collectExpressions(JRExpressionCollector collector)` Adds all the expression used by this plot with the specified collector.
`JRDataRange`	`getDataRange()` Returns the range of values that the Meter can display.
`java.util.List`	`getIntervals()` Returns a list of all the intervals contained in this Meter.
`int`	`getMeterAngle()` Returns the size of the Meter face in degrees.
`java.awt.Color`	`getMeterBackgroundColor()` Returns the background color of the meter.
`java.awt.Color`	`getNeedleColor()` Returns the color used when drawing the meter's pointer.
`byte`	`getShape()` Returns the shape of the Meter.
`java.awt.Color`	`getTickColor()` Returns the color used when drawing tick marks on the meter.
`double`	`getTickInterval()` Returns the spacing between the ticks on the face of the meter.
`java.lang.String`	`getUnits()` Returns the name of the units that the Meter is displaying.
`JRValueDisplay`	`getValueDisplay()` Returns a description of how the value of the Meter is displayed.

Methods inherited from class net.sf.jasperreports.engine.base.JRBaseChartPlot
`addSeriesColor, clearSeriesColors, getBackcolor, getBackgroundAlpha, getChart, getEventSupport, getForegroundAlpha, getLabelRotation, getOrientation, getOwnBackcolor, getSeriesColors, setBackcolor, setBackgroundAlpha, setForegroundAlpha, setLabelRotation, setOrientation, setSeriesColors`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface net.sf.jasperreports.engine.JRChartPlot
`addSeriesColor, clearSeriesColors, getBackcolor, getBackgroundAlpha, getChart, getForegroundAlpha, getLabelRotation, getOrientation, getOwnBackcolor, getSeriesColors, setBackcolor, setBackgroundAlpha, setForegroundAlpha, setLabelRotation, setOrientation, setSeriesColors`

Field Detail

dataRange

protected JRDataRange dataRange

The range displayed by the Meter.

valueDisplay

protected JRValueDisplay valueDisplay

Formatting information for the textual display of the value.

shape

protected byte shape

The shape to use when drawing the Meter. Only applied if the meter is over 180 degrees wide and less than a full circle.

intervals

protected java.util.List intervals

The defined intervals for the Meter. Each interval indicates a subsection of the meter and a color to use for that section.

meterAngle

protected int meterAngle

The extend of the meter face in degrees. It will always be centered around the straight up position.

units

protected java.lang.String units

Optional description of what the meter is displaying. It will be appended to the textual representation of the value.

tickInterval

protected double tickInterval

How often to draw ticks around the face of the meter. The interval is relative to the meter range - if the meter displays 100 to 200 and the tickInterval is 20, there will be 4 ticks at 120, 140, 160 and 180.

meterBackgroundColor

protected java.awt.Color meterBackgroundColor

The color to use for the face of the meter.

needleColor

protected java.awt.Color needleColor

The color to use for the pointer on the meter.

tickColor

protected java.awt.Color tickColor

The color to use for each tick on the face of the meter.

Constructor Detail

JRBaseMeterPlot

public JRBaseMeterPlot(JRChartPlot meterPlot,
                       JRChart chart)

Constructs a copy of an existing meter.

Parameters:: meterPlot - the meter to copy

JRBaseMeterPlot

public JRBaseMeterPlot(JRMeterPlot meterPlot,
                       JRBaseObjectFactory factory)

Constructs a copy of an existing meter and registers all expressions maintained by the meter plot with a factory.

Parameters:: meterPlot - the meter to copy; factory - the factory to register expressions with

Method Detail