Venice 0.751beta

nz.org.venice.chart.graph
Class ExpMovingAverageGraphUI

java.lang.Object
  extended bynz.org.venice.chart.graph.ExpMovingAverageGraphUI
All Implemented Interfaces:
GraphUI

public class ExpMovingAverageGraphUI
extends java.lang.Object
implements GraphUI

The exponential smoothed moving average graph user interface.

Author:
Andrew Leppard
See Also:
ExpMovingAverageGraph

Constructor Summary
ExpMovingAverageGraphUI(java.util.HashMap settings)
          Create a new exponential smoothed moving average user interface with the initial settings.
 
Method Summary
 java.lang.String checkSettings()
          Check the current settings displayed in the user interface.
 java.lang.String checkSettings(java.util.HashMap settings)
          Check previously set settings.
 javax.swing.JPanel getPanel()
          Return the user interface.
static int getPeriod(java.util.HashMap settings)
          Retrieve the period from the settings hashmap.
 java.util.HashMap getSettings()
          Return the current settings displayed in the user interface.
static double getSmoothingConstant(java.util.HashMap settings)
          Retrieve the smoothing constant from the settings hashmap.
 void setSettings(java.util.HashMap settings)
          Display the given settings in the user interface.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ExpMovingAverageGraphUI

public ExpMovingAverageGraphUI(java.util.HashMap settings)
Create a new exponential smoothed moving average user interface with the initial settings.

Parameters:
settings - the initial settings
Method Detail

checkSettings

public java.lang.String checkSettings(java.util.HashMap settings)
Description copied from interface: GraphUI
Check previously set settings. Return an error message if the settings are invalid.

Specified by:
checkSettings in interface GraphUI
Parameters:
settings - Previously saved settings
Returns:
the error message or null if the settings are valid

checkSettings

public java.lang.String checkSettings()
Description copied from interface: GraphUI
Check the current settings displayed in the user interface. Return an error message if the settings are invalid.

Specified by:
checkSettings in interface GraphUI
Returns:
the error message or null if the settings are valid

getSettings

public java.util.HashMap getSettings()
Description copied from interface: GraphUI
Return the current settings displayed in the user interface.

Specified by:
getSettings in interface GraphUI
Returns:
current settings

setSettings

public void setSettings(java.util.HashMap settings)
Description copied from interface: GraphUI
Display the given settings in the user interface.

Specified by:
setSettings in interface GraphUI
Parameters:
settings - the new settings

getPanel

public javax.swing.JPanel getPanel()
Description copied from interface: GraphUI
Return the user interface.

Specified by:
getPanel in interface GraphUI
Returns:
the user interface

getPeriod

public static int getPeriod(java.util.HashMap settings)
Retrieve the period from the settings hashmap. If the hashmap is empty, then return the default period.

Parameters:
settings - the settings
Returns:
the period

getSmoothingConstant

public static double getSmoothingConstant(java.util.HashMap settings)
Retrieve the smoothing constant from the settings hashmap. If the hashmap is empty, then return the default smoothing constant.

Parameters:
settings - the settings
Returns:
the smoothign constant

Venice 0.751beta