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Class guinea.ui.VolumeGradeBar

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Container
                   |
                   +----guinea.ui.BaseGrader
                           |
                           +----guinea.ui.GradeBar
                                   |
                                   +----guinea.ui.VolumeGradeBar

public class VolumeGradeBar
extends GradeBar

The VolumeGradeBar is an extension to the normal grader bar which given numbers as answers. This version gives Volume objects as answers by converting graderbar's numeric answers to Volume type.

Variable Index

· scale: The volume scale type to use.
· useNumberFormat: Use number format for formatting the level.

Constructor Index

· VolumeGradeBar()

Method Index

· formatMessage(Object): Format the current grade to string for displaying grade/adjective below the scrollbar.
· getAnswer_internal(): Convert the Number value the GradeBar normally uses to a Volume object in selected volume scale type.
· getVolumeScaleType(): Get the volume scale type used in this component.
· propertyLoad(Properties, String)
· setAnswer(Object): Set answer of question.
· setVolumeScaleType(int): Set the volume scale type used in this component.

Variables

· scale

 protected int scale

The volume scale type to use. Default is VOLUME_DECIBEL.

See Also:

· useNumberFormat

 protected boolean useNumberFormat

Use number format for formatting the level. It is necessary if adjectives are wanted with scale. Default if false, Volume object is used.

Constructors

· VolumeGradeBar

 public VolumeGradeBar()

Methods

· setVolumeScaleType

 public void setVolumeScaleType(int scale)

Set the volume scale type used in this component.

Parameters:: scale - The volume scale type.
See Also:: Volume

· getVolumeScaleType

 public int getVolumeScaleType()

Get the volume scale type used in this component.

Returns:: A volume scale type.
See Also:: Volume

· getAnswer_internal

 protected Object getAnswer_internal()

Convert the Number value the GradeBar normally uses to a Volume object in selected volume scale type.

Returns:: A volume object.
Overrides:: getAnswer_internal in class BaseGrader
See Also:: scale, Volume

· setAnswer

 public void setAnswer(Object answer)

Set answer of question. If the answer is a Volume object, it is converted to a Number using the selected scale.

Parameters:: answer - The answer as a guinea.player.Volume. A java.lang.Number and a null are also possible.
Overrides:: setAnswer in class BaseGrader
See Also:: scale

· formatMessage

 protected String formatMessage(Object value)

Format the current grade to string for displaying grade/adjective below the scrollbar.

Parameters:: value - The value to format.
Overrides:: formatMessage in class BaseGrader

· propertyLoad

 public void propertyLoad(Properties p,
                          String name) throws IllegalArgumentException

Overrides:: propertyLoad in class BaseGrader

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