Java tutorial
import java.awt.Component; import java.awt.Container; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.Point; import java.awt.event.ActionEvent; import javax.swing.AbstractAction; import javax.swing.AbstractButton; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JPanel; public class Main extends JPanel { static String DISABLE_DIALOG_COMPONENTS = "Disable Dialog Components"; static String ENABLE_DIALOG_COMPONENTS = "Enable Dialog Components"; static String DISABLE_DIALOG = "Disable Dialog"; static String ENABLE_DIALOG = "Enable Dialog"; static int LOC_SHIFT = 150; MyDialog analyzer; public Main(JFrame frame) { analyzer = new MyDialog(frame); analyzer.pack(); analyzer.setLocationRelativeTo(frame); Point location = analyzer.getLocation(); location = new Point(location.x - LOC_SHIFT, location.y - LOC_SHIFT); analyzer.setLocation(location); analyzer.setVisible(true); add(new JButton(new AbstractAction(DISABLE_DIALOG_COMPONENTS) { @Override public void actionPerformed(ActionEvent evt) { AbstractButton btn = (AbstractButton) evt.getSource(); if (btn.getText().equals(DISABLE_DIALOG_COMPONENTS)) { btn.setText(ENABLE_DIALOG_COMPONENTS); analyzer.setComponentEnabled(false); } else { btn.setText(DISABLE_DIALOG_COMPONENTS); analyzer.setComponentEnabled(true); } } })); add(new JButton(new AbstractAction(DISABLE_DIALOG) { @Override public void actionPerformed(ActionEvent evt) { AbstractButton btn = (AbstractButton) evt.getSource(); if (btn.getText().equals(DISABLE_DIALOG)) { btn.setText(ENABLE_DIALOG); analyzer.setEnabled(false); } else { btn.setText(DISABLE_DIALOG); analyzer.setEnabled(true); } } })); } public static void main(String[] args) { JFrame frame = new JFrame(); Main mainPanel = new Main(frame); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().add(mainPanel); frame.pack(); frame.setVisible(true); } } class MyDialog extends JDialog { public MyDialog(JFrame frame) { super(frame, "Dialog", false); JButton but = new JButton("test"); setLayout(new FlowLayout()); add(but); setPreferredSize(new Dimension(200, 200)); } public void setComponentEnabled(boolean enabled) { setComponentEnabled(enabled, getContentPane()); } private void setComponentEnabled(boolean enabled, Component component) { component.setEnabled(enabled); if (component instanceof Container) { Component[] components = ((Container) component).getComponents(); if (components != null && components.length > 0) { for (Component heldComponent : components) { setComponentEnabled(enabled, heldComponent); } } } } }