org.esa.snap.rcp.util

Class Dialogs

java.lang.Object

org.esa.snap.rcp.util.Dialogs

public class Dialogs
extends Object

Utility class which is used to display various commonly and frequently used message dialogs.

Since:

2.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Dialogs.Answer

Field Summary

Fields

Modifier and Type	Field and Description
static String	PREF_KEY_SUFFIX_DONTSHOW

Method Summary

Modifier and Type	Method and Description
static String	getDialogTitle(String titleText)
static Dialogs.Answer	requestDecision(String title, String message, boolean allowCancel, String preferencesKey) Displays a modal dialog which requests a decision from the user.
static File	requestFileForOpen(String title, boolean dirsOnly, FileFilter fileFilter, String preferencesKey) Opens a standard file-open dialog box.
static File	requestFileForSave(String title, boolean dirsOnly, FileFilter fileFilter, String defaultExtension, String fileName, JComponent accessory, String preferenceKey) Opens a standard save dialog box.
static Boolean	requestOverwriteDecision(String title, File file) Opens question dialog asking the user whether or not to overwrite an existing file.
static void	showError(String message) Displays a modal dialog with the provided error message text.
static void	showError(String title, String message) Displays a modal dialog with the provided error message text.
static void	showInformation(String message) Displays a modal dialog with the provided information message text.
static void	showInformation(String message, String preferencesKey) Displays a modal dialog with the provided information message text.
static void	showInformation(String title, String message, String preferencesKey) Displays a modal dialog with the provided information message text.
static void	showMessage(String title, String message, int messageType, String preferencesKey) Displays a modal dialog with the provided message text.
static void	showOutOfMemoryError(String message) Displays a modal dialog indicating an 'Out of Memory'-error with the provided error message text.
static void	showWarning(String message) Displays a modal dialog with the provided warning message text.
static void	showWarning(String title, String message, String preferencesKey) Displays a modal dialog with the provided warning message text.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PREF_KEY_SUFFIX_DONTSHOW

public static final String PREF_KEY_SUFFIX_DONTSHOW

See Also:

Constant Field Values

Method Detail

showInformation

public static void showInformation(String message)

Displays a modal dialog with the provided information message text.

Parameters:

message - The message text to be displayed.

showInformation

public static void showInformation(String message,
                                   String preferencesKey)

Displays a modal dialog with the provided information message text.

Parameters:

message - The message text to be displayed.

preferencesKey - If not null, a checkbox is displayed, and if checked the dialog will not be displayed again which lets users store the answer

showInformation

public static void showInformation(String title,
                                   String message,
                                   String preferencesKey)

Displays a modal dialog with the provided information message text.

Parameters:

title - The dialog title. May be null.

message - The information message text to be displayed.

preferencesKey - If not null, a checkbox is displayed, and if checked the dialog will not be displayed again which lets users store the answer

showWarning

public static void showWarning(String message)

Displays a modal dialog with the provided warning message text.

Parameters:

message - The information message text to be displayed.

showWarning

public static void showWarning(String title,
                               String message,
                               String preferencesKey)

Displays a modal dialog with the provided warning message text.

Parameters:

title - The dialog title. May be null.

message - The warning message text to be displayed.

preferencesKey - If not null, a checkbox is displayed, and if checked the dialog will not be displayed again which lets users store the answer

showError

public static void showError(String message)

Displays a modal dialog with the provided error message text.

Parameters:

message - The error message text to be displayed.

showError

public static void showError(String title,
                             String message)

Displays a modal dialog with the provided error message text.

Parameters:

title - The dialog title. May be null.

message - The error message text to be displayed.

showOutOfMemoryError

public static void showOutOfMemoryError(String message)

Displays a modal dialog indicating an 'Out of Memory'-error with the provided error message text. It also displays a hint how to solve the problem.

Parameters:

message - The error message text to be displayed.

showMessage

public static void showMessage(String title,
                               String message,
                               int messageType,
                               String preferencesKey)

Displays a modal dialog with the provided message text.

Parameters:

title - The dialog title. May be null.

message - The message text to be displayed.

messageType - The type of the message.

preferencesKey - If not null, a checkbox is displayed, and if checked the dialog will not be displayed again which lets users store the answer

requestDecision

public static Dialogs.Answer requestDecision(String title,
                                             String message,
                                             boolean allowCancel,
                                             String preferencesKey)

Displays a modal dialog which requests a decision from the user.

Parameters:

title - The dialog title. May be null.

message - The question text to be displayed.

allowCancel - If true, the dialog also offers a cancel button.

preferencesKey - If not null, a checkbox is displayed, and if checked the dialog will not be displayed again which lets users store the answer

Returns:

Dialogs.Answer.YES, Dialogs.Answer.NO, or Dialogs.Answer.CANCELLED.

requestOverwriteDecision

public static Boolean requestOverwriteDecision(String title,
                                               File file)

Opens question dialog asking the user whether or not to overwrite an existing file. If the given file does not exists, the question dialog is not shown.

Parameters:

file - the file to check for existance

Returns:

True if the user confirms the dialog with 'yes' or the given file does not exist.
False if the user does not want to overwrite the existing file.
null if the user canceled the operation.

requestFileForOpen

public static File requestFileForOpen(String title,
                                      boolean dirsOnly,
                                      FileFilter fileFilter,
                                      String preferencesKey)

Opens a standard file-open dialog box.

Parameters:

title - a dialog-box title

dirsOnly - whether or not to select only directories

fileFilter - the file filter to be used, can be null

preferencesKey - the key under which the last directory the user visited is stored

Returns:

the file selected by the user or null if the user canceled file selection

requestFileForSave

public static File requestFileForSave(String title,
                                      boolean dirsOnly,
                                      FileFilter fileFilter,
                                      String defaultExtension,
                                      String fileName,
                                      JComponent accessory,
                                      String preferenceKey)

Opens a standard save dialog box.

Parameters:

title - A dialog-box title.

dirsOnly - Whether or not to select only directories.

fileFilter - The file filter to be used, can be null.

defaultExtension - The extension used as default.

fileName - The initial filename.

accessory - An accessory UI component to be shown in the file chooser, can be null.

preferenceKey - The key under which the last directory the user visited is stored.

Returns:

The file selected by the user or null if the user cancelled the file selection.

getDialogTitle

public static String getDialogTitle(String titleText)