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Problem mit Mausereignis (JAVA)
Guuuden zusammen,
ich habe das Problem, dass meine Testbuttons (bisher "exit" und "cancel") nicht auf das Mausereignis Pressed reagieren: Wir haben keine Ahnung, woran das liegen können, haben alles mögliche versucht. :wall: Hier ist der Quelltext:
Code:
/**
*@author Dannyboy, Mike T. */ import java.io.*; import java.awt.*; // für Fenster import java.awt.event.*; // Für Adapter public class Mainframe extends Frame { //******************************************************************************************// // KONSTRUKTOREN Mainframe(String title) { this.f = new Frame(); f.setLayout(null); f.setSize(clientWidth, clientHeight); f.setTitle(title); f.addWindowListener(new MyWindowAdapter()); setDesign(); myMouse = new MyMouseAdapter(); f.addMouseListener(myMouse); f.show(); } //******************************************************************************************// public Frame f = null; // ATTRIBUTE (KONSTANTEN) final private int clientWidth = 750; // Breite des Clientbereichs final private int clientHeight = 550; // Höhe des Clientbereichs final private int leftAlign = 20; // Position der linken Zentrierung final private int labelheight = 25; // Standardhöhe eines Labels final private int buttonheight = 30; // Standardhöhe eines Buttons final private int textfieldheight = buttonheight; // Standardhöhe eines textfeldes // ATTRIBUTE (VARIABLEN) // Textfelder public TextField stdIn = null; public TextField rCode = null; // Textareas public TextArea stdOut = null; public TextArea stdErr = null; // Labels public Label stdIn_Lab = null; public Label stdErr_Lab = null; public Label stdOut_Lab = null; public Label rCode_Lab = null; // Buttons public Button ok = null; public Button cancel = null; public Button snap = null; public Button exit = null; MyMouseAdapter myMouse = null; //******************************************************************************************// // Methode legt das komplette Design des Formulars fest. private void setDesign() { final int middleX = clientWidth / 2; createLabel(stdIn_Lab, leftAlign, 25, 90, labelheight, "<Eingabe>"); createTextField(stdIn, leftAlign, 50, 275, textfieldheight, ""); createButton(ok, leftAlign, 90, 85, buttonheight, "OK"); createButton(snap, 115, 90, 85, buttonheight, "SNAP-MENU"); createButton(cancel, 210, 90, 85, buttonheight, "CANCEL"); createLabel(stdErr_Lab, leftAlign, 130, 100, labelheight, "<Standard Error>"); createTextArea(stdErr, leftAlign, 160, 290, 295, "<Dies ist Standard Error>"); createLabel(rCode_Lab, leftAlign, 465, 90, labelheight, "<return code>"); createTextField(rCode, leftAlign, 495, 275, textfieldheight, ""); createLabel(stdOut_Lab, middleX, 25, 90, labelheight, "<Standard Out>"); createTextArea(stdOut, middleX, 50, middleX - 20, 430, "<Dies ist Standard Out>"); createButton(exit, middleX, 495, middleX - 20, buttonheight, "Close Window"); } //******************************************************************************************// // GETTER //******************************************************************************************// // SETTER //******************************************************************************************// // Methode erstellt ein Textfeld (einzeilige Komponente) private void createTextField(TextField instance, int x, int y, int width, int height, String s) { instance = new TextField(s); f.add(instance); // instance.setBackground(bg); instance.setBounds(x, y, width, height); instance.show(); } //******************************************************************************************// // Methode erstellt eine Textarea (mehrzeilige Komponente) private void createTextArea(TextArea instance, int x, int y, int width, int height, String s) { instance = new TextArea(s); f.add(instance); // instance.setBackground(bg); instance.setBounds(x, y, width, height); instance.show(); } //******************************************************************************************// // Methode erstellt ein Label private void createLabel(Label instance, int x, int y, int width, int height, String s) { instance = new Label(s); f.add(instance); instance.setBounds(x, y, width, height); instance.show(); } //******************************************************************************************// // Methode erstellt einen Button private void createButton(Button instance, int x, int y, int width, int height, String s) { instance = new Button(s); f.add(instance); instance.setBounds(x, y, width, height); instance.addMouseListener(myMouse); instance.show(); } //******************************************************************************************// //******************************************************************************************// //******************************************************************************************// // Unterklasse um Window-Events (OOP-Ereignisse) zu steuern public class MyWindowAdapter extends WindowAdapter { public void windowClosing (WindowEvent e) { System.exit(0); } } //******************************************************************************************// //******************************************************************************************// //******************************************************************************************// // Unterklasse um Mouse-Events (OOP-Ereignisse) zu steuern public class MyMouseAdapter extends MouseAdapter { public void mousePressed(MouseEvent e) { Object o = e.getSource(); if (o == ok) ok_Pressed(e); else if (o == cancel) cancel_Pressed(e); else if (o == snap) snap_Pressed(e); else if (o == exit) exit_Pressed(e); } } //******************************************************************************************// //******************************************************************************************// //******************************************************************************************// // Mouse/Button Events public void ok_Pressed(MouseEvent e){} public void cancel_Pressed(MouseEvent e){ stdIn.setText(""); } public void snap_Pressed(MouseEvent e){} public void exit_Pressed(MouseEvent e){ System.exit(0); } //******************************************************************************************// public static void main(String[] args) { Mainframe testframe = new Mainframe("JAVIX 2.0"); } } |
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