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Class javaParse.DerivationCanvas 

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Canvas
                   |
                   +----javaParse.DerivationCanvas
public class DerivationCanvas
extends Canvas
The class that is the canvas for the String derivation view in the string tester window

Constructor Index

o DerivationCanvas()

Method Index

o drawDerivation(String, String)
draws the list with the new derivation
o paint(Graphics)
o setStartString(String)
set the beginning input string
o startOver()
o update(Graphics)

Constructors

o DerivationCanvas 
 public DerivationCanvas()

Methods

o setStartString 
 public void setStartString(String str)
set the beginning input string

o drawDerivation 
 public void drawDerivation(String prodUsed,
                            String derivation)
draws the list with the new derivation

o paint 
 public void paint(Graphics g)
Parameters:
s - the Graphic to draw on paints the derivations and productions used on the Canvas at the prefect locations
Overrides:
paint in class Canvas
o update 
 public void update(Graphics g)
Overrides:
update in class Component
o startOver 
 public void startOver()

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