java.lang.Object | +--java.awt.Component | +--java.awt.TextComponent | +--java.awt.TextField
Unsafe:
(package private) char
echoChar
accessibleContext, actionListenerK, adjustmentListenerK, appContext, background, BOTTOM_ALIGNMENT, bufferStrategy, CENTER_ALIGNMENT, componentListener, componentListenerK, componentOrientation, containerListenerK, cursor, dropTarget, enabled, eventMask, focusListener, focusListenerK, focusTraversalKeys, font, foreground, graphicsConfig, height, hierarchyBoundsListener, hierarchyBoundsListenerK, hierarchyListener, hierarchyListenerK, ignoreRepaint, incRate, inputMethodListener, inputMethodListenerK, isInc, isPacked, itemListenerK, keyListener, keyListenerK, LEFT_ALIGNMENT, locale, LOCK, metrics, minSize, mouseListener, mouseListenerK, mouseMotionListener, mouseMotionListenerK, mouseWheelListener, mouseWheelListenerK, newEventsOnly, ownedWindowK, parent, peer, peerFont, popups, prefSize, RIGHT_ALIGNMENT, textListenerK, TOP_ALIGNMENT, valid, visible, width, windowClosingException, windowFocusListenerK, windowListenerK, windowStateListenerK, x, y
TextField()
TextField(int columns)
TextField(String text,
int columns)
void
addActionListener(ActionListener l)
boolean
echoCharIsSet()
AccessibleContext
getAccessibleContext()
ActionListener[]
getActionListeners()
EventListener[]
getListeners(Class listenerType)
FooListener
s
upon this TextField
.
Dimension
getMinimumSize(int columns)
Dimension
getPreferredSize(int columns)
Dimension
minimumSize()
getMinimumSize()
.
Dimension
minimumSize(int columns)
getMinimumSize(int)
.
Dimension
preferredSize()
getPreferredSize()
.
Dimension
preferredSize(int columns)
getPreferredSize(int)
.
protected void
processActionEvent(ActionEvent e)
ActionListener
objects.
private void
readObject(ObjectInputStream s)
void
removeActionListener(ActionListener l)
void
setEchoCharacter(char c)
setEchoChar(char)
.
void
setText(String t)
addTextListener, areInputMethodsEnabled, enableInputMethods, getBackground, getCaretPosition, getCharacterBounds, getIndexAtPoint, getSelectedText, getSelectionEnd, getSelectionStart, getText, getTextListeners, isEditable, processTextEvent, removeNotify, removeTextListener, select, selectAll, setBackground, setCaretPosition, setEditable, setSelectionEnd, setSelectionStart
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, adjustListeningChildrenOnParent, applyComponentOrientation, areFocusTraversalKeysSet, autoProcessMouseWheel, autoTransferFocus, bounds, checkGD, checkImage, checkImage, checkWindowClosingException, clearCurrentFocusCycleRootOnHide, clearMostRecentFocusOwnerOnHide, coalesceEvents, contains, contains, containsFocus, countHierarchyMembers, createBufferStrategy, createBufferStrategy, createChildHierarchyEvents, createHierarchyEvents, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, dispatchEventImpl, dispatchMouseWheelToAncestor, doLayout, enable, enable, enableEvents, eventTypeEnabled, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleIndexInParent, getAccessibleStateSet, getAlignmentX, getAlignmentY, getBackBuffer, getBounds, getBounds, getBufferStrategy, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys_NoIDCheck, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont_NoClientCode, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocation, getLocationOnScreen_NoTreeLock, getLocationOnScreen, getMaximumSize, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getNativeContainer, getParent_NoClientCode, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getToolkitImpl, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, initializeFocusTraversalKeys, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isEnabledImpl, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFocusTraversableOverridden, isFontSet, isForegroundSet, isLightweight, isOpaque, isRecursivelyVisible, isShowing, isValid, isVisible, iterate, keyDown, keyUp, layout, lightweightPaint, lightweightPrint, list, list, list, list, list, locate, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, nextFocusHelper, numListening, paint, paintAll, paintHeavyweightComponents, postEvent, postsOldMouseEvents, prepareImage, prepareImage, print, printAll, printHeavyweightComponents, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusHelper, requestFocusInWindow, requestFocusInWindow, resetGC, reshape, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys_NoIDCheck, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setGCFromPeer, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocus, transferFocusBackward, transferFocusUpCycle, update, updateCursorImmediately, validate
int columns
setColumns()
,
getColumns()
char echoChar
0
.
getEchoChar()
,
setEchoChar()
,
echoCharIsSet()
transient ActionListener actionListener
private static final String base
private static int nameCounter
private static final long serialVersionUID
private int textFieldSerializedDataVersion
public TextField() throws HeadlessException
java.awt.GraphicsEnvironment#isHeadless
public TextField(String text) throws HeadlessException
text
- the text to be displayed. If
text
is null
, the empty
string ""
will be displayed.java.awt.GraphicsEnvironment#isHeadless
public TextField(int columns) throws HeadlessException
columns
- the number of columns. If
columns
is less than 0
,
columns
is set to 0
.java.awt.GraphicsEnvironment#isHeadless
public TextField(String text, int columns) throws HeadlessException
text
- the text to be displayed. If
text
is null
, the empty
string ""
will be displayed.columns
- the number of columns. If
columns
is less than 0
,
columns
is set to 0
.java.awt.GraphicsEnvironment#isHeadless
private static void initIDs()
String constructComponentName()
constructComponentName
in class Component
public void addNotify()
addNotify
in class TextComponent
java.awt.TextComponent#removeNotify
public char getEchoChar()
An echo character is useful for text fields where
user input should not be echoed to the screen, as in
the case of a text field for entering a password.
If echoChar
= 0
, user
input is echoed to the screen unchanged.
java.awt.TextField#echoCharIsSet
,
java.awt.TextField#setEchoChar
public void setEchoChar(char c)
An echo character is useful for text fields where
user input should not be echoed to the screen, as in
the case of a text field for entering a password.
Setting echoChar
= 0
allows
user input to be echoed to the screen again.
c
- the echo character for this text field.java.awt.TextField#echoCharIsSet
,
java.awt.TextField#getEchoChar
public void setEchoCharacter(char c)
setEchoChar(char)
.
public void setText(String t)
setText
in class TextComponent
t
- the new text.java.awt.TextComponent#getText
public boolean echoCharIsSet()
An echo character is useful for text fields where user input should not be echoed to the screen, as in the case of a text field for entering a password.
true
if this text field has
a character set for echoing;
false
otherwise.java.awt.TextField#setEchoChar
,
java.awt.TextField#getEchoChar
public int getColumns()
java.awt.TextField#setColumns
public void setColumns(int columns)
columns
- the number of columns.java.awt.TextField#getColumns
public Dimension getPreferredSize(int columns)
columns
- the number of columns
in this text field.
public Dimension preferredSize(int columns)
getPreferredSize(int)
.
public Dimension getPreferredSize()
getPreferredSize
in class Component
Component.getMinimumSize()
,
LayoutManager
public Dimension preferredSize()
getPreferredSize()
.
preferredSize
in class Component
public Dimension getMinimumSize(int columns)
columns
- the number of columns in
this text field.public Dimension minimumSize(int columns)
getMinimumSize(int)
.
public Dimension getMinimumSize()
getMinimumSize
in class Component
Component.getPreferredSize()
,
LayoutManager
public Dimension minimumSize()
getMinimumSize()
.
minimumSize
in class Component
public void addActionListener(ActionListener l)
l
- the action listener.removeActionListener(java.awt.event.ActionListener)
,
getActionListeners()
,
java.awt.event.ActionListener
public void removeActionListener(ActionListener l)
l
- the action listener.addActionListener(java.awt.event.ActionListener)
,
getActionListeners()
,
java.awt.event.ActionListener
public ActionListener[] getActionListeners()
ActionListener
s
or an empty array if no action
listeners are currently registeredaddActionListener(java.awt.event.ActionListener)
,
removeActionListener(java.awt.event.ActionListener)
,
java.awt.event#ActionListener
public EventListener[] getListeners(Class listenerType)
FooListener
s
upon this TextField
.
FooListener
s are registered using the
addFooListener
method.
You can specify the listenerType
argument
with a class literal, such as
FooListener.class
.
For example, you can query a
TextField
t
for its action listeners with the following code:
ActionListener[] als = (ActionListener[])(t.getListeners(ActionListener.class));If no such listeners exist, this method returns an empty array.
getListeners
in class TextComponent
listenerType
- the type of listeners requested; this parameter
should specify an interface that descends from
java.util.EventListener
FooListener
s on this textfield,
or an empty array if no such
listeners have been addedgetActionListeners()
boolean eventEnabled(AWTEvent e)
eventEnabled
in class TextComponent
protected void processEvent(AWTEvent e)
ActionEvent
,
it invokes the processActionEvent
method. Otherwise, it invokes processEvent
on the superclass.
Note that if the event parameter is null
the behavior is unspecified and may result in an
exception.
processEvent
in class TextComponent
e
- the eventjava.awt.event.ActionEvent
,
java.awt.TextField#processActionEvent
protected void processActionEvent(ActionEvent e)
ActionListener
objects.
This method is not called unless action events are enabled for this component. Action events are enabled when one of the following occurs:
ActionListener
object is registered
via addActionListener
.
enableEvents
.
Note that if the event parameter is null
the behavior is unspecified and may result in an
exception.
e
- the action eventjava.awt.event.ActionListener
,
java.awt.TextField#addActionListener
,
java.awt.Component#enableEvents
protected String paramString()
TextField
.
This method is intended to be used only for debugging purposes, and the
content and format of the returned string may vary between
implementations. The returned string may be empty but may not be
null
.
paramString
in class TextComponent
private void writeObject(ObjectOutputStream s) throws IOException
IOException
AWTEventMulticaster.save(ObjectOutputStream, String, EventListener)
,
java.awt.Component.actionListenerK
private void readObject(ObjectInputStream s) throws ClassNotFoundException, IOException, HeadlessException
ClassNotFoundException
IOException
HeadlessException
removeActionListener()
,
addActionListener()
,
java.awt.GraphicsEnvironment#isHeadless
public AccessibleContext getAccessibleContext()
getAccessibleContext
in interface Accessible
getAccessibleContext
in class TextComponent