lt05_pkg
Class DotController_VersionForQuestion6

java.lang.Object
  extended by lt05_pkg.DotController_VersionForQuestion6
All Implemented Interfaces:
java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.util.EventListener

public class DotController_VersionForQuestion6
extends java.lang.Object
implements java.awt.event.MouseListener, java.awt.event.MouseMotionListener

This class encapsulates a MouseListener that is installed upon a particular JFrame. When a mouse motion event is detected, this controller changes the PolkaDotDataModel. For specific details, see mouseMoved(MouseEvent)

Author:
mb

Constructor Summary
DotController_VersionForQuestion6(javax.swing.JFrame view, PolkaDotDataModel model)
           
 
Method Summary
 void mouseClicked(java.awt.event.MouseEvent e)
          This method does cause anything to happen to the data model.
 void mouseDragged(java.awt.event.MouseEvent e)
           
 void mouseEntered(java.awt.event.MouseEvent e)
           
 void mouseExited(java.awt.event.MouseEvent e)
           
 void mouseMoved(java.awt.event.MouseEvent e)
          This method causes the data model to be changed when a mouse move event is detected.
 void mousePressed(java.awt.event.MouseEvent e)
           
 void mouseReleased(java.awt.event.MouseEvent e)
           
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DotController_VersionForQuestion6

public DotController_VersionForQuestion6(javax.swing.JFrame view,
                                         PolkaDotDataModel model)
Method Detail

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)
This method does cause anything to happen to the data model. See mouseMoved(MouseEvent) instead.

Specified by:
mouseClicked in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)
Specified by:
mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)
Specified by:
mouseReleased in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)
Specified by:
mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)
Specified by:
mouseExited in interface java.awt.event.MouseListener

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)
Specified by:
mouseDragged in interface java.awt.event.MouseMotionListener

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)
This method causes the data model to be changed when a mouse move event is detected. What this method should do: any time the user moves the mouse pointer, evaluate whether the pointer has passed inside a polka dot. If the mouse pointer passes inside a polka dot, then the polka dot should change: if it is unfilled, then it should become filled. If it is filled, then it should become unfilled. The effect is that as the user moves the mouse track point within a polka dot, the polka dot should toggle rapidly between between filled and unfilled. Hint: look at the services provided by the class PolkaDot

Specified by:
mouseMoved in interface java.awt.event.MouseMotionListener