Package org.jCharts

Class Legend

java.lang.Object
org.jCharts.Legend
All Implemented Interfaces:
Serializable, HTMLTestable

public final class Legend extends Object implements HTMLTestable, Serializable
Version:
$Id: Legend.java,v 1.17 2003/04/19 01:39:17 nathaniel_auvil Exp $
Author:
Nathaniel Auvil, Sandor Dornbush, Sundar Balasubramanian
See Also:
  • Field Details

    • chart

      private Chart chart
    • legendProperties

      private LegendProperties legendProperties
    • iconSide

      private float iconSide
    • widestLabelAndColumnPadding

      private float widestLabelAndColumnPadding
    • numColumns

      private int numColumns
    • numRows

      private int numRows
    • textProcessor

      private TextProcessor textProcessor
    • x

      private float x
    • y

      private float y
    • width

      private float width
    • height

      private float height
    • labels

      private ArrayList labels
    • paints

      private ArrayList paints
    • shapes

      private ArrayList shapes
    • fillPointsFlags

      private ArrayList fillPointsFlags
    • pointOutlinePaints

      private ArrayList pointOutlinePaints
  • Constructor Details

    • Legend

      public Legend(Chart chart)
      Deprecated.
      Parameters:
      chart -
    • Legend

      public Legend(Chart chart, LegendProperties legendProperties)
      Parameters:
      chart -
      legendProperties -
  • Method Details

    • setX

      public void setX(float x)
    • setY

      public void setY(float y)
    • computeLegendXY

      public void computeLegendXY(IAxisDataSeries iAxisDataSeries, float chartTitleHeight)
      Parameters:
      iAxisDataSeries -
      chartTitleHeight -
    • processData

      private void processData(IAxisDataSeries iAxisDataSeries)
      Central method for processing data; try to minimize looping. 1) calculate the maximum height of labels 2) find the maximum label width
      Parameters:
      iAxisDataSeries -
    • processData

      private void processData(IPieChartDataSet iPieChartDataSet)
      Central method for processing data; try to minimize looping. 1) calculate the maximum height of labels 2) find the maximum label width
      Parameters:
      iPieChartDataSet -
    • processLegendLabels

      private void processLegendLabels(IAxisPlotDataSet iAxisPlotDataSet)
      Method for processing data for AxisPlot datasets; try to minimize looping. 1) calculate the maximum height of labels 2) find the maximum label width
      Parameters:
      iAxisPlotDataSet -
    • processLegendLabels

      private void processLegendLabels(IPieChartDataSet iPieChartDataSet)
      Method for processing data for PieCharts; try to minimize looping. 1) calculate the maximum height of labels 2) find the maximum label width
      Parameters:
      iPieChartDataSet -
    • getLegendProperties

      public LegendProperties getLegendProperties()
    • calculateDrawingValues

      public void calculateDrawingValues(IData iData)
      Calculates the width and height needed to display the Legend. Use the getWidth() and getHeight() methods to extract this information.
      Parameters:
      iData - can pass either the IPieChartDataSet or the IChartDataSeries to this.
    • getWidth

      public float getWidth()
    • getHeight

      public int getHeight()
    • determineWidthAndHeight

      private void determineWidthAndHeight(int numberOfLabels)
      Determines the dimensions needed for the Legend and creates the image for it.
    • render

      public void render()
      Renders the legend.
    • toHTML

      public void toHTML(HTMLGenerator htmlGenerator)
      Enables the testing routines to display the contents of this Object.
      Specified by:
      toHTML in interface HTMLTestable
      Parameters:
      htmlGenerator -