org.mov.chart.graph
Class CustomGraph

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

All Implemented Interfaces:

Graph

public class CustomGraph
extends AbstractGraph

Graph a Gondola expression. This graph allows the user to construct and graph custom indicators.

Author:

Andrew Leppard

See Also:

CustomGraphUI, Expression

Field Summary

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

TOOL_TIP_BUFFER

Constructor Summary

CustomGraph(GraphSource source, Symbol symbol, EODQuoteBundle quoteBundle)
Create a new custom graph.

Method Summary

static Graphable	createCustom(Expression indicator, Graphable source, EODQuoteBundle quoteBundle, Symbol symbol) Create a new custom graph based on the given graph source and quote bundle.
double	getHighestY(java.util.List x) Return the highest Y value in the given X range.
double	getLowestY(java.util.List x) Return the loweset Y value in the given X range.
java.lang.String	getName() Return the name of this graph.
GraphUI	getUI(java.util.HashMap settings) Return the graph's user interface.
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.
void	setSettings(java.util.HashMap settings) Set the graph's user definable settings.

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

getAcceptableMajorDeltas, getAcceptableMinorDeltas, getEndX, getSettings, getSource, getSourceName, getStartX, getToolTipText, getXRange, getY, getYLabel

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomGraph

public CustomGraph(GraphSource source,
                   Symbol symbol,
                   EODQuoteBundle quoteBundle)

Create a new custom graph. Currently this class requires both a graph source and a quote bundle. The quote bundle argument will soon become deprecated and the function will require five graph sources - one for day open, close, low high and volume. This change will enable us to run equations on arbitrary indeces (i.e. groups of stocks).

Parameters:

source - the source containing the dates to work with

symbol - the symbol to apply the expression

quoteBundle - the quote bundle containing the quotes

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

getHighestY

public double getHighestY(java.util.List x)

Description copied from class: AbstractGraph

Return the highest Y value in the given X range.

Specified by:

getHighestY in interface Graph

Overrides:

getHighestY in class AbstractGraph

Parameters:

x - range of X values

Returns:

the highest Y value of the default GraphSource

getLowestY

public double getLowestY(java.util.List x)

Description copied from class: AbstractGraph

Return the loweset Y value in the given X range.

Specified by:

getLowestY in interface Graph

Overrides:

getLowestY in class AbstractGraph

Parameters:

x - range of X values

Returns:

the lowest Y value of the default GraphSource

createCustom

public static Graphable createCustom(Expression indicator,
                                     Graphable source,
                                     EODQuoteBundle quoteBundle,
                                     Symbol symbol)

Create a new custom graph based on the given graph source and quote bundle. This function calls the method with the same name in CustomGraphUI.

Parameters:

indicator - the custom indicator expression

source - the source containing the dates to work with

symbol - the symbol to apply the expression

quoteBundle - the quote bundle containing the quotes

Returns:

the custom graph

Throws:

EvaluationException - if there was an error evaluating the equation

setSettings

public void setSettings(java.util.HashMap settings)

Description copied from class: AbstractGraph

Set the graph's user definable settings.

Specified by:

setSettings in interface Graph

Overrides:

setSettings in class AbstractGraph

Parameters:

settings - the new settings

getUI

public GraphUI getUI(java.util.HashMap settings)

Return the graph's user interface.

Specified by:

getUI in interface Graph

Overrides:

getUI in class AbstractGraph

Parameters:

settings - the initial settings

Returns:

user interface

getName

public java.lang.String getName()

Return the name of this graph.

Returns:

Custom

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