/*
* GUI.java
*
* Created on 20. November 2006, 22:07
*/
/**
*
* @author ugh
*/
public class GUI extends javax.swing.JDialog {
private List liste;
/** A return status code - returned if Cancel button has been pressed */
public static final int RET_CANCEL = 0;
/** A return status code - returned if OK button has been pressed */
public static final int RET_OK = 1;
/** Creates new form GUI */
public GUI(java.awt.Frame parent, boolean modal) {
super(parent, modal);
initComponents();
liste = new List();
jTextArea1.setText("Leere Liste\nBitte füge etwas hinzu.");
}
/** @return the return status of this dialog - one of RET_OK or RET_CANCEL */
public int getReturnStatus() {
return returnStatus;
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
private void initComponents() {
okButton = new javax.swing.JButton();
cancelButton = new javax.swing.JButton();
jTextField1 = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent evt) {
closeDialog(evt);
}
});
okButton.setText("OK");
okButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
okButtonActionPerformed(evt);
}
});
cancelButton.setText("Cancel");
cancelButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
cancelButtonActionPerformed(evt);
}
});
jTextField1.setText("6");
jButton1.setText("add (am Ende)");
jButton1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jButton1MouseClicked(evt);
}
});
jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);
jButton2.setText("remove (Anfang)");
jButton2.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jButton2MouseClicked(evt);
}
});
jButton3.setText("remove (Ende)");
jButton3.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jButton3MouseClicked(evt);
}
});
jButton4.setText("rekursive Ausgabe");
jButton4.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jButton4MouseClicked(evt);
}
});
jButton5.setText("add Zufallszahl");
jButton5.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jButton5MouseClicked(evt);
}
});
jButton6.setText("sortiere");
jButton6.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jButton6MouseClicked(evt);
}
});
org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
.addContainerGap()
.add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 234, Short.MAX_VALUE)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jButton6, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 140, Short.MAX_VALUE)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
.add(layout.createSequentialGroup()
.add(okButton, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 67, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(cancelButton))
.add(jTextField1))
.add(jButton4, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 140, Short.MAX_VALUE)
.add(jButton3, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 140, Short.MAX_VALUE)
.add(jButton2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 140, Short.MAX_VALUE)
.add(jButton5, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 140, Short.MAX_VALUE)
.add(jButton1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 140, Short.MAX_VALUE))
.addContainerGap())
);
layout.linkSize(new java.awt.Component[] {cancelButton, okButton}, org.jdesktop.layout.GroupLayout.HORIZONTAL);
layout.setVerticalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.addContainerGap()
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 278, Short.MAX_VALUE)
.add(layout.createSequentialGroup()
.add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 34, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(17, 17, 17)
.add(jButton1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jButton5, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 23, Short.MAX_VALUE)
.add(2, 2, 2)
.add(jButton2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 23, Short.MAX_VALUE)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jButton3, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 23, Short.MAX_VALUE)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jButton4, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 23, Short.MAX_VALUE)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jButton6, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 23, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(40, 40, 40)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(cancelButton)
.add(okButton))))
.addContainerGap())
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void jButton6MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton6MouseClicked
sortiere();
baueTextareaNeuAuf();
}//GEN-LAST:event_jButton6MouseClicked
private void jButton5MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton5MouseClicked
liste.toLast();
liste.insertBehind(gibZufallszahl(Integer.parseInt(jTextField1.getText())));
baueTextareaNeuAuf();
}//GEN-LAST:event_jButton5MouseClicked
private void jButton4MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton4MouseClicked
liste.toFirst();
jTextArea1.setText("");
rekursiveAusgabe();
}//GEN-LAST:event_jButton4MouseClicked
private void jButton3MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton3MouseClicked
liste.toLast();
if (!liste.isEmpty()){
liste.delete();
}
baueTextareaNeuAuf();
}//GEN-LAST:event_jButton3MouseClicked
private void jButton2MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton2MouseClicked
liste.toFirst();
if (!liste.isEmpty()){
liste.delete();
}
baueTextareaNeuAuf();
}//GEN-LAST:event_jButton2MouseClicked
private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton1MouseClicked
liste.toLast();
liste.insertBehind(jTextField1.getText());
baueTextareaNeuAuf();
}//GEN-LAST:event_jButton1MouseClicked
private void baueTextareaNeuAuf() {
if (liste.isEmpty()){
jTextArea1.setText("Leere Liste\nBitte füge etwas hinzu.");
}
else {
String zwischen="";
liste.toFirst();
jTextArea1.setText("Die Liste:\n");
while (!liste.isBehind()){
jTextArea1.append(liste.getItem()+"\n");
liste.next();
}
}
}
private void rekursiveAusgabe() {
if (liste.isBehind()){
jTextArea1.append("\nFertig.\n");
}
else {
jTextArea1.append(liste.getItem()+"\n");
liste.next();
rekursiveAusgabe();
jTextArea1.append("*");
}
}
private void sortiere() {
// Vorstufe von Sortieren durch Einfügen
// vgl. http://www-i1.informatik.rwth-aachen.de/~algorithmus/algo2.php
int x,y;
liste.toFirst();
liste.next();
while (!liste.isBehind()){
x=(Integer) liste.getItem();
liste.previous();
y=(Integer) liste.getItem();
if (x<y) {
liste.delete();
liste.insertBehind(y);
}
liste.next();
liste.next();
}
}
private int gibZufallszahl(int pMaximum) {
return (int) ((Math.random()*pMaximum)+1);
}
private void okButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_okButtonActionPerformed
doClose(RET_OK);
}//GEN-LAST:event_okButtonActionPerformed
private void cancelButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelButtonActionPerformed
doClose(RET_CANCEL);
}//GEN-LAST:event_cancelButtonActionPerformed
/** Closes the dialog */
private void closeDialog(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_closeDialog
doClose(RET_CANCEL);
}//GEN-LAST:event_closeDialog
private void doClose(int retStatus) {
returnStatus = retStatus;
setVisible(false);
dispose();
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new GUI(new javax.swing.JFrame(), true).setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton cancelButton;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JButton jButton6;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
private javax.swing.JTextField jTextField1;
private javax.swing.JButton okButton;
// End of variables declaration//GEN-END:variables
private int returnStatus = RET_CANCEL;
}
Ãœbung
Seite bookmarken
