Page 414 - CITS - Computer Software Application -TT

COMPUTER SOFTWARE APPLICATION - CITS

mainFrame = new Frame(“Java AWT Examples”);
mainFrame.setSize(400,400);
mainFrame.setLayout(new GridLayout(3, 1));
mainFrame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent windowEvent){

System.exit(0);
}
});
headerLabel = new Label();
headerLabel.setAlignment(Label.CENTER);

statusLabel = new Label();
statusLabel.setAlignment(Label.CENTER);
statusLabel.setSize(350,100);
controlPanel = new Panel();
controlPanel.setLayout(new FlowLayout());

mainFrame.add(headerLabel);
mainFrame.add(controlPanel);
mainFrame.add(statusLabel);
mainFrame.setVisible(true);

}
private void showEventDemo(){
headerLabel.setText(“Control in action: Button”);
Button okButton = new Button(“OK”);
Button submitButton = new Button(“Submit”);
Button cancelButton = new Button(“Cancel”);

okButton.setActionCommand(“OK”);
submitButton.setActionCommand(“Submit”);
cancelButton.setActionCommand(“Cancel”);
okButton.addActionListener(new ButtonClickListener());

submitButton.addActionListener(new ButtonClickListener());
cancelButton.addActionListener(new ButtonClickListener());

controlPanel.add(okButton);
controlPanel.add(submitButton);

controlPanel.add(cancelButton);

mainFrame.setVisible(true);
}

private class ButtonClickListener implements ActionListener{

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CITS : IT&ITES - Computer Software Application - Lesson 116 - 119 CITS : IT&ITES - Computer Software Application - Lesson 116 - 119