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java.lang.Object | +--java.awt.Component | +--java.awt.Container | +--java.awt.Window | +--java.awt.Dialog | +--lava.gui.ButtonQuestion
Dialog box for asking the user a question.
Details: ButtonQuestion provides a convenient mechanism for constructing dialog boxes that ask the user multiple-choice questions. To use this class, simply create an instance of it and then call the waitForResponse
method.
Example: This following program demonstrates the use of this class:
Once a ButtonQuestion has been used to issue a question, it cannot be used again, since the dispose method is called automatically when the user selects one of the answers.
For detailed information on how to control the contents of the question box, see the related class, ButtonQuestionParameters
.
ButtonQuestionParameters
, Serialized FormInner classes inherited from class java.awt.Dialog |
java.awt.Dialog.AccessibleAWTDialog |
Inner classes inherited from class java.awt.Window |
java.awt.Window.AccessibleAWTWindow |
Inner classes inherited from class java.awt.Container |
java.awt.Container.AccessibleAWTContainer |
Inner classes inherited from class java.awt.Component |
java.awt.Component.AccessibleAWTComponent |
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 | |
ButtonQuestion(java.awt.Frame frame,
ButtonQuestionParameters params)
Creates a new question box according to the specified criteria. |
Method Summary | |
void |
actionPerformed(java.awt.event.ActionEvent e)
Do not call this method. |
int |
waitForResponse()
Blocks until the question box has been displayed and the user has answered it. |
Methods inherited from class java.awt.Dialog |
addNotify, dispose, getAccessibleContext, getTitle, hide, isModal, isResizable, paramString, setModal, setResizable, setTitle, show |
Methods inherited from class java.awt.Window |
addWindowListener, applyResourceBundle, applyResourceBundle, finalize, getFocusOwner, getGraphicsConfiguration, getInputContext, getListeners, getLocale, getOwnedWindows, getOwner, getToolkit, getWarningString, isShowing, pack, postEvent, processEvent, processWindowEvent, removeWindowListener, setCursor, toBack, toFront |
Methods inherited from class java.awt.Container |
add, add, add, add, add, addContainerListener, addImpl, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getInsets, getLayout, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setFont, setLayout, update, validate, validateTree |
Methods inherited from class java.awt.Component |
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getInputMethodRequests, getLocation, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isDisplayable, isDoubleBuffered, isEnabled, isFocusTraversable, isLightweight, isOpaque, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setDropTarget, setEnabled, setForeground, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, size, toString, transferFocus |
Methods inherited from class java.lang.Object |
clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public ButtonQuestion(java.awt.Frame frame, ButtonQuestionParameters params)
Details: This constructor creates a new question box according to the criteria indicated in params
, an instance of ButtonQuestionParameters
. The question box becomes a child of frame
.
frame
- the parent frameparams
- the contents and state of the question boxButtonQuestionParameters
Method Detail |
public int waitForResponse()
Details: waitForResponse blocks (i.e., does not return) until the question box has been displayed and the user has answered it. The return value is index of the answer, as recorded in the ButtonQuestionParameters
instance that was used when the ButtonQuestion was created.
public void actionPerformed(java.awt.event.ActionEvent e)
Details: This method is called by the AWT subsystem when the user pushes one of the question box's answer buttons. Your application should never call this method.
actionPerformed
in interface java.awt.event.ActionListener
e
- the ActionEvent
|
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