Creating a JOptionPane : JOptionPane Dialog « Swing « Java Tutorial

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Java Tutorial » Swing » JOptionPane Dialog

14. 56. 1. Creating a JOptionPane

A JOptionPane object represents a dialog box for several purposes:

Display a message (through the use of the showMessageDialog method)
Ask for user's confirmation (using the showConfirmDialog method)
Obtain the user's input (using the showInputDialog method)
Do the combined three above (using the showOptionDialog method)


public JOptionPane()

JOptionPane optionPane = new JOptionPane();



public JOptionPane(Object message)

JOptionPane optionPane = new JOptionPane("Message");



public JOptionPane(Object message, int messageType)

JOptionPane optionPane = new JOptionPane("Message",  JOptionPane.WARNING_MESSAGE);



public JOptionPane(Object message, int messageType, int optionType)

JOptionPane optionPane = new JOptionPane("Question?",  JOptionPane.QUESTION_MESSAGE, JOptionPane.YES_NO_OPTION);



public JOptionPane(Object message, int messageType, int optionType,  Icon icon)

Icon printerIcon = new ImageIcon("yourFile.gif");

JOptionPane optionPane = new JOptionPane("Question?",  JOptionPane.QUESTION_MESSAGE, JOptionPane.YES_NO_OPTION, printerIcon);



public JOptionPane(Object message, int messageType, int optionType, Icon icon,  Object options[ ])

Icon greenIcon = new DiamondIcon(Color.GREEN);

Icon redIcon = new DiamondIcon(Color.RED);

Object optionArray[] = new Object[] { greenIcon, redIcon} ;

JOptionPane optionPane = new JOptionPane("Question?",  JOptionPane.QUESTION_MESSAGE, JOptionPane.YES_NO_OPTION, printerIcon,  optionArray);



public JOptionPane(Object message, int messageType, int optionType, Icon icon, Object options[], Object initialValue)

JOptionPane optionPane = new JOptionPane("Question?", JOptionPane.QUESTION_MESSAGE, JOptionPane.YES_NO_OPTION, printerIcon, optionArray, redIcon);

The panel presents content in four areas. All the areas are optional

Icon Area: Display an Icon to indicate the type of message. The installed look and feel provides default icons for certain types of messages. You can provide your own icon.
Message Area: Display a text message.
Input Area: Allow users to provide a response to a message.
Button Area: For getting user input. Selection of a button signals the end of the usage of the JOptionPane.

Property Constants:

ICON_PROPERTY
INITIAL_SELECTION_VALUE_PROPERTY
INITIAL_VALUE_PROPERTY
INPUT_VALUE_PROPERTY
MESSAGE_PROPERTY
MESSAGE_TYPE_PROPERTY
OPTION_TYPE_PROPERTY
OPTIONS_PROPERTY
SELECTION_VALUES_PROPERTY
VALUE_PROPERTY
WANTS_INPUT_PROPERTY

14. 56. JOptionPane Dialog
	14. 56. 1.	Creating a JOptionPane
	14. 56. 2.	The JOptionPane Message Argument is an Object, not a String.
	14. 56. 3.	The JOptionPane Message Type and Icon Arguments
	14. 56. 4.	The JOptionPane Option Type Argument
	14. 56. 5.	The JOptionPane Options and Initial Value Arguments
	14. 56. 6.	JOptionPane Option Position Constants
	14. 56. 7.	Using JOptionPane to Display a Message
	14. 56. 8.	Using JOptionPane to Prompt User Confirmation
	14. 56. 9.	Using JOptionPane to prompt user confirmation: a demo
	14. 56. 10.	Using JOptionPane to Obtain User Input
	14. 56. 11.	Using JOptionPane with a predefined selections
	14. 56. 12.	Display JOptionPane
	14. 56. 13.	JOptionPane Utility Class: Get selection from JOptionPane
	14. 56. 14.	Message Pop-Ups
	14. 56. 15.	Confirm Pop-Ups
	14. 56. 16.	Input Pop-Ups
	14. 56. 17.	Big value list for JOptionInput Dialog
	14. 56. 18.	Option Pop-Ups
	14. 56. 19.	String Array Option Popups
	14. 56. 20.	Complex message arguments
	14. 56. 21.	Adding Components to the Button Area: Using JOptionPane with a JButton containing a text label and an icon
	14. 56. 22.	Sample JOptionPane in a JDialog
	14. 56. 23.	Instant Input Dialogs
	14. 56. 24.	JOptionPane WARNING_MESSAGE
	14. 56. 25.	Dialog without parent component
	14. 56. 26.	To displays a dialog with a list of choices in a drop-down list box
	14. 56. 27.	Understanding the Message Property
	14. 56. 28.	Using JOptionPane with a JSlider
	14. 56. 29.	Displaying Multiline Messages
	14. 56. 30.	Setting JOptionPane button labels to French
	14. 56. 31.	Tip Of Day Dialog
	14. 56. 32.	About dialog
	14. 56. 33.	Create a Confirm Dialog Box
	14. 56. 34.	Create a Message Dialog Box
	14. 56. 35.	Yes no cancel dialog
	14. 56. 36.	OK cancel option dialog
	14. 56. 37.	Dialog with default options
	14. 56. 38.	Customize JOptionPane buttons
	14. 56. 39.	Modal dialog with yes/no button
	14. 56. 40.	Modal dialog with OK/cancel and a text field
	14. 56. 41.	Wait for a click and then quit
	14. 56. 42.	Localize a JOptionPane dialog
	14. 56. 43.	Modifiable JOptionPane
	14. 56. 44.	Customizing a JOptionPane Look and Feel

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