yops
Class Dialog

java.lang.Object
  extended by java.awt.Component
      extended by java.awt.Container
          extended by javax.swing.JComponent
              extended by javax.swing.JOptionPane
                  extended by yops.Dialog
All Implemented Interfaces:
ImageObserver, MenuContainer, Serializable, Accessible

public class Dialog
extends JOptionPane

The Dialog class provides methods for showing dialog boxes to the user and getting typed user input.

Author:
Kenneth J. Goldman
Created Jul 5, 2005
See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class javax.swing.JOptionPane
JOptionPane.AccessibleJOptionPane
 
Nested classes/interfaces inherited from class javax.swing.JComponent
JComponent.AccessibleJComponent
 
Nested classes/interfaces inherited from class java.awt.Container
Container.AccessibleAWTContainer
 
Nested classes/interfaces inherited from class java.awt.Component
Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy
 
Field Summary
 
Fields inherited from class javax.swing.JOptionPane
CANCEL_OPTION, CLOSED_OPTION, DEFAULT_OPTION, ERROR_MESSAGE, icon, ICON_PROPERTY, INFORMATION_MESSAGE, INITIAL_SELECTION_VALUE_PROPERTY, INITIAL_VALUE_PROPERTY, initialSelectionValue, initialValue, INPUT_VALUE_PROPERTY, inputValue, message, MESSAGE_PROPERTY, MESSAGE_TYPE_PROPERTY, messageType, NO_OPTION, OK_CANCEL_OPTION, OK_OPTION, OPTION_TYPE_PROPERTY, options, OPTIONS_PROPERTY, optionType, PLAIN_MESSAGE, QUESTION_MESSAGE, SELECTION_VALUES_PROPERTY, selectionValues, UNINITIALIZED_VALUE, value, VALUE_PROPERTY, WANTS_INPUT_PROPERTY, wantsInput, WARNING_MESSAGE, YES_NO_CANCEL_OPTION, YES_NO_OPTION, YES_OPTION
 
Fields inherited from class javax.swing.JComponent
accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
 
Fields inherited from class java.awt.Component
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
 
Fields inherited from interface java.awt.image.ImageObserver
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH
 
Constructor Summary
Dialog()
           
 
Method Summary
static boolean getApproval(String question)
          Asks the user a yes/no question.
static double getDouble(String prompt)
          Prompts the user for a number.
static int getInteger(String prompt)
          Prompts the user for an integer response.
static String getText(String prompt)
          Prompts the user for a textual response.
static String getText(String prompt, String defaultAnswer)
          Prompts the user for a textual response, with a default answer displayed.
static void main(String[] args)
           
static void showError(String message)
          Shows an error message to the user.
static void showMessage(String message)
          Shows the given message to the user.
 
Methods inherited from class javax.swing.JOptionPane
createDialog, createInternalFrame, getAccessibleContext, getDesktopPaneForComponent, getFrameForComponent, getIcon, getInitialSelectionValue, getInitialValue, getInputValue, getMaxCharactersPerLineCount, getMessage, getMessageType, getOptions, getOptionType, getRootFrame, getSelectionValues, getUI, getUIClassID, getValue, getWantsInput, paramString, selectInitialValue, setIcon, setInitialSelectionValue, setInitialValue, setInputValue, setMessage, setMessageType, setOptions, setOptionType, setRootFrame, setSelectionValues, setUI, setValue, setWantsInput, showConfirmDialog, showConfirmDialog, showConfirmDialog, showConfirmDialog, showInputDialog, showInputDialog, showInputDialog, showInputDialog, showInputDialog, showInputDialog, showInternalConfirmDialog, showInternalConfirmDialog, showInternalConfirmDialog, showInternalConfirmDialog, showInternalInputDialog, showInternalInputDialog, showInternalInputDialog, showInternalMessageDialog, showInternalMessageDialog, showInternalMessageDialog, showInternalOptionDialog, showMessageDialog, showMessageDialog, showMessageDialog, showOptionDialog, updateUI
 
Methods inherited from class javax.swing.JComponent
addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update
 
Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree
 
Methods inherited from class java.awt.Component
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

Dialog

public Dialog()
Method Detail

showMessage

public static void showMessage(String message)
Shows the given message to the user.

Parameters:
message - the message to show

showError

public static void showError(String message)
Shows an error message to the user.

Parameters:
message - the error message to show

getApproval

public static boolean getApproval(String question)
Asks the user a yes/no question.

Parameters:
question - the question to ask the user
Returns:
true if the user answers "yes," false if the user answers "no"

getText

public static String getText(String prompt)
Prompts the user for a textual response.

Parameters:
prompt - the prompt/question to display to the user
Returns:
the text that the user typed

getText

public static String getText(String prompt,
                             String defaultAnswer)
Prompts the user for a textual response, with a default answer displayed.

Parameters:
prompt - the prompt/question to display to the user
defaultAnswer - the initial text to display in the answer box
Returns:
the text that the user typed

getInteger

public static int getInteger(String prompt)
Prompts the user for an integer response. If the user does not type an integer, an error message is shown and then the user is asked again.

Parameters:
prompt - the prompt/question to display to the user
Returns:
the integer value that the user typed

getDouble

public static double getDouble(String prompt)
Prompts the user for a number. If the user does not type an number, an error message is shown and then the user is asked again.

Parameters:
prompt - the prompt/question to display to the user
Returns:
the numeric value that the user typed

main

public static void main(String[] args)