/** *OptionPaneDemoConstructor
*/ public OptionPaneDemo(SwingSet2 swingset) { // Set the title for this demo, and an icon used to represent this // demo inside the SwingSet2 app. super(swingset, "OptionPaneDemo", "toolbar/JOptionPane.gif");
JPanel bp = new JPanel() { public Dimension getMaximumSize() {
return new Dimension(getPreferredSize().width, super.getMaximumSize().height);
}
};
bp.setLayout(new BoxLayout(bp, BoxLayout.Y_AXIS));
public JButton createConfirmDialogButton() {
Action a = new AbstractAction(getString("OptionPaneDemo.confirmbutton")) { publicvoid actionPerformed(ActionEvent e) { int result = JOptionPane.showConfirmDialog(getDemoPanel(), getString("OptionPaneDemo.confirmquestion")); if(result == JOptionPane.YES_OPTION) {
JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.confirmyes"));
} elseif(result == JOptionPane.NO_OPTION) {
JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.confirmno"));
}
}
};
return createButton(a);
}
public JButton createInputDialogButton() {
Action a = new AbstractAction(getString("OptionPaneDemo.inputbutton")) { publicvoid actionPerformed(ActionEvent e) {
String result = JOptionPane.showInputDialog(getDemoPanel(), getString("OptionPaneDemo.inputquestion")); if ((result != null) && (result.length() > 0)) {
JOptionPane.showMessageDialog(getDemoPanel(),
result + ": " +
getString("OptionPaneDemo.inputresponse"));
}
}
};
return createButton(a);
}
public JButton createComponentDialogButton() {
Action a = new AbstractAction(getString("OptionPaneDemo.componentbutton")) { publicvoid actionPerformed(ActionEvent e) { // In a ComponentDialog, you can show as many message components and // as many options as you want:
// Messages
Object[] message = new Object[4];
message[0] = getString("OptionPaneDemo.componentmessage");
message[1] = new JTextField(getString("OptionPaneDemo.componenttextfield"));
// Options
String[] options = {
getString("OptionPaneDemo.component_op1"),
getString("OptionPaneDemo.component_op2"),
getString("OptionPaneDemo.component_op3"),
getString("OptionPaneDemo.component_op4"),
getString("OptionPaneDemo.component_op5")
}; int result = JOptionPane.showOptionDialog(
getDemoPanel(), // the parent that the dialog blocks
message, // the dialog message array
getString("OptionPaneDemo.componenttitle"), // the title of the dialog window
JOptionPane.DEFAULT_OPTION, // option type
JOptionPane.INFORMATION_MESSAGE, // message type null, // optional icon, use null to use the default icon
options, // options string array, will be made into buttons
options[3] // option that should be made into a default button
); switch(result) { case0: // yes
JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.component_r1")); break; case1: // no
JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.component_r2")); break; case2: // maybe
JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.component_r3")); break; case3: // probably
JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.component_r4")); break; default: break;
}
}
};
return createButton(a);
}
public JButton createButton(Action a) {
JButton b = new JButton() { public Dimension getMaximumSize() { int width = Short.MAX_VALUE; int height = super.getMaximumSize().height;
return new Dimension(width, height);
}
}; // setting the following client property informs the button to show // the action text as it's name. The default is to not show the // action text.
b.putClientProperty("displayActionText", Boolean.TRUE);
b.setAction(a); // b.setAlignmentX(JButton.CENTER_ALIGNMENT);
return b;
}
}
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-09-02)
¤
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