* InputanAnkaSaja.java
* Maksud dari Aplikasi ini adalah :
* textField Harga jika di Isi dengan angka saja akan di pindah ke textField Cek Harga Masuk
* jika pada textField Harga di Inputkan selain karakter angka, maka akan timbul warning
*
* Created on December 11, 2009, 9:42 AM
*/
package aplikasikecil;
import java.awt.event.KeyEvent;
import javax.swing.JOptionPane;
/**
*
* @author Christanty
* ini tidak menggunakan manual, melainkan menggunakan cara instan dari netbeans
* hanya drag and drop saja untuk tampilannya
*/
public class InputanAngkaSaja extends javax.swing.JFrame {
String BKN_CHARACTER = "~!@#$=-+_%^&*(`{|}]\\[\";':>,
String CkHrg;
/** Creates new form InputanAngkaSaja */
public InputanAngkaSaja() {
initComponents();
}
/** 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.
*/
@SuppressWarnings("unchecked")
//
private void initComponents() {
Hrg = new javax.swing.JLabel();
txtHrg = new javax.swing.JTextField();
OK = new javax.swing.JButton();
CkHrgMsk = new javax.swing.JLabel();
txtCkHrgMsk = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
Hrg.setText("HARGA :");
txtHrg.setToolTipText("Masukkan hanya karakter angka saja");
txtHrg.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyTyped(java.awt.event.KeyEvent evt) {
txtHrgKeyTyped(evt);
}
});
OK.setText("OK");
OK.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
OKActionPerformed(evt);
}
});
OK.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyTyped(java.awt.event.KeyEvent evt) {
OKKeyTyped(evt);
}
});
CkHrgMsk.setText("CEK HARGA MASUK :");
txtCkHrgMsk.setEditable(false);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 400, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(Hrg, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(CkHrgMsk, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGap(29, 29, 29)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(txtCkHrgMsk, javax.swing.GroupLayout.PREFERRED_SIZE, 198, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtHrg, javax.swing.GroupLayout.PREFERRED_SIZE, 198, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(21, 21, 21))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(241, Short.MAX_VALUE)
.addComponent(OK)
.addGap(112, 112, 112))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 168, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(txtHrg, javax.swing.GroupLayout.PREFERRED_SIZE, 39, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(Hrg, javax.swing.GroupLayout.DEFAULT_SIZE, 39, Short.MAX_VALUE))
.addGap(13, 13, 13)
.addComponent(OK)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(CkHrgMsk, javax.swing.GroupLayout.PREFERRED_SIZE, 37, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtCkHrgMsk, javax.swing.GroupLayout.PREFERRED_SIZE, 37, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(34, Short.MAX_VALUE))
);
pack();
}//
private void txtHrgKeyTyped(java.awt.event.KeyEvent evt) {
if (!Character.isDigit(evt.getKeyChar()) ||
BKN_CHARACTER.indexOf(evt.getKeyChar()) > -1) {
if (evt.getKeyChar() == KeyEvent.VK_ENTER) {
OK.requestFocusInWindow();
} else if (evt.getKeyChar() == KeyEvent.VK_BACK_SPACE) {
hapus(evt);
} else if (evt.getKeyChar() == KeyEvent.VK_ESCAPE) {
//jika di tekan Esc, maka tidak akan terjadi apa-apa
} else {
JOptionPane.showMessageDialog(null, "Masukkan hanya karakter angka saja.");
evt.consume();
}
}
}
public void hapus(java.awt.event.KeyEvent evt) {
evt.consume();
}
private void OKActionPerformed(java.awt.event.ActionEvent evt) {
JOptionPane.showMessageDialog(null, "Inputan angka telah di cek dan \"BERHASIL\"");
CkHrg = txtHrg.getText();
txtCkHrgMsk.setText(CkHrg);
txtHrg.setText("");
}
private void OKKeyTyped(java.awt.event.KeyEvent evt) {
if (evt.getKeyChar() == KeyEvent.VK_ENTER) {
JOptionPane.showMessageDialog(null, "Inputan angka telah di cek dan \"BERHASIL\"");
}
CkHrg = txtHrg.getText();
txtCkHrgMsk.setText(CkHrg);
txtHrg.setText("");
}
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new InputanAngkaSaja().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JLabel CkHrgMsk;
private javax.swing.JLabel Hrg;
private javax.swing.JButton OK;
private javax.swing.JTextField txtCkHrgMsk;
private javax.swing.JTextField txtHrg;
// End of variables declaration
}
