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Class guinea.ui.LineScale

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

public class LineScale
extends BaseGrader
implements AdjustmentListener, QuestionInterface, ControlInterface, PropertyLoader

LineScale is a UI component with a continuous scale. The minimum and maximum values of the grade can be specified as well as number of decimal places and possible "anchors".

Constructor Index

· LineScale(): Create a new grade bar with default grade parameters and no question.
· LineScale(double, double, int): Create a new grade bar with given parameters.
· LineScale(double, double, int, String): Create a new grade bar with given parameters.
· LineScale(String): Create a new grade bar with default grade parameters.

Method Index

· getAdjustable()
· getAdjustable(Component)
· getAdjustableComponent()
· getLabelFont()
· initAdjustable(Adjustable)
· propertyLoad(Properties, String)
· setLabelFont(Font): Set font of the question text.

Variables

· slider

 protected Slider slider

· labelFont

 protected Font labelFont

Constructors

· LineScale

 public LineScale()

Create a new grade bar with default grade parameters and no question.

· LineScale

 public LineScale(String qtext)

Create a new grade bar with default grade parameters.

Parameters:: qtext - Text of question.

· LineScale

 public LineScale(double minVal,
                  double maxVal,
                  int decimals)

Create a new grade bar with given parameters.

Parameters:: minVal - minimum value of grade.; maxVal - maximum value of grade.; decimals - number of decimals.

· LineScale

 public LineScale(double minVal,
                  double maxVal,
                  int decimals,
                  String qtext)

Create a new grade bar with given parameters.

Parameters:: minVal - minimum value of grade.; maxVal - maximum value of grade.; decimals - number of decimals.; qtext - text of question.

Methods

· getAdjustableComponent

 public Component getAdjustableComponent()

Overrides:: getAdjustableComponent in class BaseGrader

· getAdjustable

 public Adjustable getAdjustable(Component c)

Overrides:: getAdjustable in class BaseGrader

· getAdjustable

 public Adjustable getAdjustable()

Overrides:: getAdjustable in class BaseGrader

· initAdjustable

 public void initAdjustable(Adjustable adj)

Overrides:: initAdjustable in class BaseGrader

· setLabelFont

 public void setLabelFont(Font f)

Set font of the question text.

Parameters:: f - An AWT font object.

· getLabelFont

 public Font getLabelFont()

· propertyLoad

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

Overrides:: propertyLoad in class BaseGrader

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