parent
c9e20a85b3
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@ -1,19 +1,31 @@
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import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
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import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
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/**
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/**
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* Write a description of class Menue_Button here.
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* Diese Klasse stellt einen Button dar.
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*
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*
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* @author (your name)
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* @author Felix Stupp
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* @version (a version number or a date)
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* @version 26.04.2016
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*/
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*/
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public class Button extends GUI_Interface
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public class Button extends GUI_Interface {
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{
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ButtonEvent handler;
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/**
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/**
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* Act - do whatever the Menue_Button wants to do. This method is called whenever
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* Erstellt einen Button mit dem gegebenen Objekt als Event-Handler.
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* the 'Act' or 'Run' button gets pressed in the environment.
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*
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* @param h Der Handler mit dem Interface ButtonEvent implementiert.
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*/
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*/
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public void act()
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public Button(ButtonEvent h) {
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{
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handler = h;
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// Add your action code here.
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}
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}
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/**
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* Fragt ab, ob ein Klick auf den Button gekommen ist.
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*/
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public void act() {
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if(Greenfoot.mouseClicked(this)) {
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handler.buttonClicked(this);
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}
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}
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}
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}
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@ -0,0 +1,12 @@
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import greenfoot.*;
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/**
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* Dieses Interface stellt einen Zugriff auf Methoden für die Eventverarbeitung bei Buttons.
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* Jede Klasse, die als Event-Handler dienen will, muss dieses Interface implementieren.
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*
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* @author Felix Stupp
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* @version 26.04.2016
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*/
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public interface ButtonEvent {
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public void buttonClicked(Button obj);
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}
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