Method Detail JOptionPane

showInputDialog

public static String showInputDialog(Object message)
                              throws HeadlessException

Shows a question-message dialog requesting input from the user. The dialog uses the default frame, which usually means it is centered on the screen.

Parameters:: message - the Object to display
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showInputDialog

public static String showInputDialog(Object message,
                                     Object initialSelectionValue)

Shows a question-message dialog requesting input from the user, with the input value initialized to initialSelectionValue. The dialog uses the default frame, which usually means it is centered on the screen.

Parameters:: message - the Object to display; initialSelectionValue - the value used to initialize the input field

showInputDialog

public static String showInputDialog(Component parentComponent,
                                     Object message)
                              throws HeadlessException

Shows a question-message dialog requesting input from the user parented to parentComponent. The dialog is displayed on top of the Component's frame, and is usually positioned below the Component.

Parameters:: parentComponent - the parent Component for the dialog; message - the Object to display
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showInputDialog

public static String showInputDialog(Component parentComponent,
                                     Object message,
                                     Object initialSelectionValue)

Shows a question-message dialog requesting input from the user and parented to parentComponent. The input value will be initialized to initialSelectionValue. The dialog is displayed on top of the Component's frame, and is usually positioned below the Component.

Parameters:: parentComponent - the parent Component for the dialog; message - the Object to display; initialSelectionValue - the value used to initialize the input field

showInputDialog

public static String showInputDialog(Component parentComponent,
                                     Object message,
                                     String title,
                                     int messageType)
                              throws HeadlessException

Shows a dialog requesting input from the user parented to parentComponent with the dialog having the title title and message type messageType.

Parameters:: parentComponent - the parent Component for the dialog; message - the Object to display; title - the String to display in the dialog title bar; messageType - the type of message that is to be displayed: ERROR_MESSAGE, INFORMATION_MESSAGE, WARNING_MESSAGE, QUESTION_MESSAGE, or PLAIN_MESSAGE
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showInputDialog

public static Object showInputDialog(Component parentComponent,
                                     Object message,
                                     String title,
                                     int messageType,
                                     Icon icon,
                                     Object[] selectionValues,
                                     Object initialSelectionValue)
                              throws HeadlessException

Prompts the user for input in a blocking dialog where the initial selection, possible selections, and all other options can be specified. The user will able to choose from selectionValues, where null implies the user can input whatever they wish, usually by means of a JTextField. initialSelectionValue is the initial value to prompt the user with. It is up to the UI to decide how best to represent the selectionValues, but usually a JComboBox, JList, or JTextField will be used.

Parameters:: parentComponent - the parent Component for the dialog; message - the Object to display; title - the String to display in the dialog title bar; messageType - the type of message to be displayed: ERROR_MESSAGE, INFORMATION_MESSAGE, WARNING_MESSAGE, QUESTION_MESSAGE, or PLAIN_MESSAGE; icon - the Icon image to display; selectionValues - an array of Objects that gives the possible selections; initialSelectionValue - the value used to initialize the input field
Returns:: user's input, or null meaning the user canceled the input
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showMessageDialog

public static void showMessageDialog(Component parentComponent,
                                     Object message)
                              throws HeadlessException

Brings up an information-message dialog titled "Message".

Parameters:: parentComponent - determines the Frame in which the dialog is displayed; if null, or if the parentComponent has no Frame, a default Frame is used; message - the Object to display
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showMessageDialog

public static void showMessageDialog(Component parentComponent,
                                     Object message,
                                     String title,
                                     int messageType)
                              throws HeadlessException

Brings up a dialog that displays a message using a default icon determined by the messageType parameter.

Parameters:: parentComponent - determines the Frame in which the dialog is displayed; if null, or if the parentComponent has no Frame, a default Frame is used; message - the Object to display; title - the title string for the dialog; messageType - the type of message to be displayed: ERROR_MESSAGE, INFORMATION_MESSAGE, WARNING_MESSAGE, QUESTION_MESSAGE, or PLAIN_MESSAGE
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showMessageDialog

public static void showMessageDialog(Component parentComponent,
                                     Object message,
                                     String title,
                                     int messageType,
                                     Icon icon)
                              throws HeadlessException

Brings up a dialog displaying a message, specifying all parameters.

Parameters:: parentComponent - determines the Frame in which the dialog is displayed; if null, or if the parentComponent has no Frame, a default Frame is used; message - the Object to display; title - the title string for the dialog; messageType - the type of message to be displayed: ERROR_MESSAGE, INFORMATION_MESSAGE, WARNING_MESSAGE, QUESTION_MESSAGE, or PLAIN_MESSAGE; icon - an icon to display in the dialog that helps the user identify the kind of message that is being displayed
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showConfirmDialog

public static int showConfirmDialog(Component parentComponent,
                                    Object message)
                             throws HeadlessException

Brings up a dialog with the options Yes, No and Cancel; with the title, Select an Option.

Parameters:: parentComponent - determines the Frame in which the dialog is displayed; if null, or if the parentComponent has no Frame, a default Frame is used; message - the Object to display
Returns:: an integer indicating the option selected by the user
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showConfirmDialog

public static int showConfirmDialog(Component parentComponent,
                                    Object message,
                                    String title,
                                    int optionType)
                             throws HeadlessException

Brings up a dialog where the number of choices is determined by the optionType parameter.

Parameters:: parentComponent - determines the Frame in which the dialog is displayed; if null, or if the parentComponent has no Frame, a default Frame is used; message - the Object to display; title - the title string for the dialog; optionType - an int designating the options available on the dialog: YES_NO_OPTION, or YES_NO_CANCEL_OPTION
Returns:: an int indicating the option selected by the user
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showConfirmDialog

public static int showConfirmDialog(Component parentComponent,
                                    Object message,
                                    String title,
                                    int optionType,
                                    int messageType)
                             throws HeadlessException

Brings up a dialog where the number of choices is determined by the optionType parameter, where the messageType parameter determines the icon to display. The messageType parameter is primarily used to supply a default icon from the Look and Feel.

Parameters:: parentComponent - determines the Frame in which the dialog is displayed; if null, or if the parentComponent has no Frame, a default Frame is used.; message - the Object to display; title - the title string for the dialog; optionType - an integer designating the options available on the dialog: YES_NO_OPTION, or YES_NO_CANCEL_OPTION; messageType - an integer designating the kind of message this is; primarily used to determine the icon from the pluggable Look and Feel: ERROR_MESSAGE, INFORMATION_MESSAGE, WARNING_MESSAGE, QUESTION_MESSAGE, or PLAIN_MESSAGE
Returns:: an integer indicating the option selected by the user
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showConfirmDialog

public static int showConfirmDialog(Component parentComponent,
                                    Object message,
                                    String title,
                                    int optionType,
                                    int messageType,
                                    Icon icon)
                             throws HeadlessException

Brings up a dialog with a specified icon, where the number of choices is determined by the optionType parameter. The messageType parameter is primarily used to supply a default icon from the look and feel.

Parameters:: parentComponent - determines the Frame in which the dialog is displayed; if null, or if the parentComponent has no Frame, a default Frame is used; message - the Object to display; title - the title string for the dialog; optionType - an int designating the options available on the dialog: YES_NO_OPTION, or YES_NO_CANCEL_OPTION; messageType - an int designating the kind of message this is, primarily used to determine the icon from the pluggable Look and Feel: ERROR_MESSAGE, INFORMATION_MESSAGE, WARNING_MESSAGE, QUESTION_MESSAGE, or PLAIN_MESSAGE; icon - the icon to display in the dialog
Returns:: an int indicating the option selected by the user
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

showOptionDialog

public static int showOptionDialog(Component parentComponent,
                                   Object message,
                                   String title,
                                   int optionType,
                                   int messageType,
                                   Icon icon,
                                   Object[] options,
                                   Object initialValue)
                            throws HeadlessException

Brings up a dialog with a specified icon, where the initial choice is determined by the initialValue parameter and the number of choices is determined by the optionType parameter. If optionType is YES_NO_OPTION, or YES_NO_CANCEL_OPTION and the options parameter is null, then the options are supplied by the look and feel. The messageType parameter is primarily used to supply a default icon from the look and feel.

Parameters:: parentComponent - determines the Frame in which the dialog is displayed; if null, or if the parentComponent has no Frame, a default Frame is used; message - the Object to display; title - the title string for the dialog; optionType - an integer designating the options available on the dialog: YES_NO_OPTION, or YES_NO_CANCEL_OPTION; messageType - an integer designating the kind of message this is, primarily used to determine the icon from the pluggable Look and Feel: ERROR_MESSAGE, INFORMATION_MESSAGE, WARNING_MESSAGE, QUESTION_MESSAGE, or PLAIN_MESSAGE; icon - the icon to display in the dialog; options - an array of objects indicating the possible choices the user can make; if the objects are components, they are rendered properly; non-String objects are rendered using their toString methods; if this parameter is null, the options are determined by the Look and Feel; initialValue - the object that represents the default selection for the dialog; only meaningful if options is used; can be null
Returns:: an integer indicating the option chosen by the user, or CLOSED_OPTION if the user closed the dialog
Throws:: HeadlessException - if GraphicsEnvironment.isHeadless returns true
See Also:: GraphicsEnvironment.isHeadless()

Jumat, 10 Juni 2011