org.mov.chart.graph
Class BarGraph

java.lang.Object
  org.mov.chart.graph.AbstractGraph
      org.mov.chart.graph.BarGraph

All Implemented Interfaces:

Graph

public class BarGraph
extends AbstractGraph

Horizontal bar graph. This graph is most commonly used to draw the volume graph.

Author:

Andrew Leppard

Field Summary

Fields inherited from interface org.mov.chart.graph.Graph

TOOL_TIP_BUFFER

Constructor Summary

BarGraph(GraphSource source, java.lang.String name, boolean isPrimary)
Create a new horizontal bar graph.

Method Summary

java.lang.String	getName() Return the name of this graph.
boolean	isPrimary() Return whether the graph is a primary graph.
void	render(java.awt.Graphics g, java.awt.Color colour, int xoffset, int yoffset, double horizontalScale, double verticalScale, double bottomLineValue, java.util.List xRange) Draw the graph.

Methods inherited from class org.mov.chart.graph.AbstractGraph

getAcceptableMajorDeltas, getAcceptableMinorDeltas, getEndX, getHighestY, getLowestY, getSettings, getSource, getSourceName, getStartX, getToolTipText, getUI, getXRange, getY, getYLabel, setSettings

Methods inherited from class java.lang.Object

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

Constructor Detail

BarGraph

public BarGraph(GraphSource source,
                java.lang.String name,
                boolean isPrimary)

Create a new horizontal bar graph.

Parameters:

source - the source to render

name - the graph name

isPrimary - is this a primary graph?

Method Detail

render

public void render(java.awt.Graphics g,
                   java.awt.Color colour,
                   int xoffset,
                   int yoffset,
                   double horizontalScale,
                   double verticalScale,
                   double bottomLineValue,
                   java.util.List xRange)

Description copied from interface: Graph

Draw the graph.

Parameters:

g - the Graphics object to render to

colour - the colour the graph should be rendered in; override this if the graph should be drawn in a certain colour - such as a Moving Average graph

xoffset - the x offset in the graphics object where the graph starts

yoffset - the y offset in the graphics object where the graph starts

horizontalScale - horizontal scale factor; use this to convert between X value in the xRange to a cartesian coordinate x

verticalScale - vertical scale factor; use this to convert between Y value to a cartesian coordinate y

bottomLineValue - the Y value of the lowest line in the graph

xRange - a List of Comparable that contain the X values to plot

getName

public java.lang.String getName()

Return the name of this graph.

Returns:

the name given to the constructor

isPrimary

public boolean isPrimary()

Description copied from interface: Graph

Return whether the graph is a primary graph. Primary graphs will appear together in the top chart. Secondary graphs appear in their own charts which are added below. The day close graph is primary; while the day close graph is secondary.

Returns:

true if the graph is a primary graph