// @topic T11400 MVC Demo - concatenate strings
// @brief Swing window designed in NetBeans (download NetBeans form file here: <a href="http://www.c-jump.com/bcc/c257c/c257jsample/Swing/wk09_mvc_demo/MainWindow.form"><tt>MainWindow.form</tt></a>)
/*
* @author ik
*
*/
package hw4;
public class MainWindow extends javax.swing.JFrame {
private ControllerConcatenation controller;
private String txtLeftFocusGainedValue;
private String txtRightFocusGainedValue;
/**
* Creates new form MainWindow
*/
public MainWindow( ControllerConcatenation controller ) {
this.controller = controller;
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")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
pnlMain = new javax.swing.JPanel();
txtLeft = new javax.swing.JTextField();
txtRight = new javax.swing.JTextField();
btnConcatenate = new javax.swing.JButton();
txtResult = new javax.swing.JTextField();
lblInfo = new javax.swing.JLabel();
lblResult = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("HW4 Demo");
txtLeft.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusGained(java.awt.event.FocusEvent evt) {
txtLeftFocusGained(evt);
}
public void focusLost(java.awt.event.FocusEvent evt) {
txtLeftFocusLost(evt);
}
});
btnConcatenate.setText("Concatenate");
btnConcatenate.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnConcatenateActionPerformed(evt);
}
});
lblInfo.setText("Enter two strings to concatenate and show results:");
lblResult.setText("Result:");
javax.swing.GroupLayout pnlMainLayout = new javax.swing.GroupLayout(pnlMain);
pnlMain.setLayout(pnlMainLayout);
pnlMainLayout.setHorizontalGroup(
pnlMainLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(pnlMainLayout.createSequentialGroup()
.addContainerGap()
.addGroup(pnlMainLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(lblInfo, javax.swing.GroupLayout.PREFERRED_SIZE, 325, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(pnlMainLayout.createSequentialGroup()
.addComponent(txtLeft, javax.swing.GroupLayout.PREFERRED_SIZE, 74, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtRight, javax.swing.GroupLayout.PREFERRED_SIZE, 74, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(btnConcatenate))
.addGroup(pnlMainLayout.createSequentialGroup()
.addComponent(lblResult)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtResult, javax.swing.GroupLayout.PREFERRED_SIZE, 211, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(45, Short.MAX_VALUE))
);
pnlMainLayout.setVerticalGroup(
pnlMainLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(pnlMainLayout.createSequentialGroup()
.addContainerGap()
.addComponent(lblInfo, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(pnlMainLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(txtRight, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtLeft, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(btnConcatenate))
.addGap(18, 18, 18)
.addGroup(pnlMainLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(lblResult)
.addComponent(txtResult, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(154, Short.MAX_VALUE))
);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(pnlMain, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(pnlMain, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addContainerGap())
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void btnConcatenateActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnConcatenateActionPerformed
//ConcatenationEngine engine = new ConcatenationEngine(
// txtLeft.getText(), txtRight.getText() );
//
//txtResult.setText(
// engine.getResult()
//);
controller.concatenate();
String result = controller.getResult();
txtResult.setText( result );
}//GEN-LAST:event_btnConcatenateActionPerformed
private void txtLeftFocusGained(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_txtLeftFocusGained
// When it gains focus, preserve the value
// so that it can be used on focus lost
// to reset the result s needed:
txtLeftFocusGainedValue = txtLeft.getText();
}//GEN-LAST:event_txtLeftFocusGained
private void txtLeftFocusLost(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_txtLeftFocusLost
if ( txtLeftFocusGainedValue != null
&&
!txtLeftFocusGainedValue.equals(txtLeft.getText())
)
{
// just lost focus and the value changed!
// therefore, rest the result:
txtResult.setText("");
}
}//GEN-LAST:event_txtLeftFocusLost
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(MainWindow.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(MainWindow.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(MainWindow.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(MainWindow.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
ControllerConcatenation controller = new ControllerConcatenation();
//new MainWindow().setVisible(true);
MainWindow window = new MainWindow( controller );
controller.setWindow(window);
window.setVisible(true);
}
});
}
public String getLeftString()
{
return txtLeft.getText();
}
public String getRightString()
{
return txtRight.getText();
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton btnConcatenate;
private javax.swing.JLabel lblInfo;
private javax.swing.JLabel lblResult;
private javax.swing.JPanel pnlMain;
private javax.swing.JTextField txtLeft;
private javax.swing.JTextField txtResult;
private javax.swing.JTextField txtRight;
// End of variables declaration//GEN-END:variables
}