curve

Class Histogram

java.lang.Object

curve.AbstractGraph

curve.Histogram

public abstract class Histogram
extends AbstractGraph

The Histogram class defines the necessary components for graphically changing the GradeScheme Derived from the requirements documentation regarding visuals.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) GradeScheme	tempGradeScheme GradeScheme used to project how a particular adjustment will propagate.

Fields inherited from class curve.AbstractGraph

numScores, sections

Constructor Summary

Constructors

Constructor and Description
Histogram()

Method Summary

Methods

Modifier and Type	Method and Description
(package private) abstract void	adjustCurve(LetterGrade letterGrade, Percentage newLowerBound) Given a particular letter grade and new lowerbound, this method will apply them to the temporary GradeScheme.
(package private) abstract void	apply() Changes made via the GUI manipulations will be pushed over to the full model.

Methods inherited from class curve.AbstractGraph

categorizeScores

Methods inherited from class java.lang.Object

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

Field Detail

tempGradeScheme

GradeScheme tempGradeScheme

GradeScheme used to project how a particular adjustment will propagate. Pushed to the Section once the user finalizes their choice with apply().

Constructor Detail

Histogram

public Histogram()

Method Detail

adjustCurve

abstract void adjustCurve(LetterGrade letterGrade,
               Percentage newLowerBound)

Given a particular letter grade and new lowerbound, this method will apply them to the temporary GradeScheme.

Parameters:

letterGrade - The LetterGrade that has been changed

newLowerBound - The new Percentage that denotes the LetterGrade's new lower bound.

         post:
           //The LetterGrade and Percentage have been properly applied to the tempGradeScheme and no other changes have been made
           forall (DivisionBar divisionBar; 
                tempGradeScheme'.divisions.contains(divisionBar) iff 
                                (divisionBar.letterGrade.equals(letterGrade) && divisionBar.low.equals(newLowerBound))
                                ||
                                tempGradeScheme.divisions.contains(divisionBar));

apply

abstract void apply()

Changes made via the GUI manipulations will be pushed over to the full model. post: //The GradeScheme of the Section must be identical to the tempGradeScheme. forall (DivisionBar divisionBar; tempGradeScheme.contains(divisionBar); exists(DivisionBar sDivisionBar; section'.gradeScheme.divisions.contains(sDivisionBar); divisionBar.equals(sDivisionBar)));