java.awt
Class TextComponent

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.TextComponent

All Implemented Interfaces:

ImageObserver

Direct Known Subclasses:

TextArea, TextField

public class TextComponent

extends Component

common abstract base class for TextArea and TextField

Constructor Summary

TextComponent()

Method Summary

void	addTextListener(TextListener tl) Sets the textListener for this TextComponent.
void	dispatchEvent(AWTEvent event) Performs the action associated with the given KeyEvent
int	getCaretPosition() Returns the current caret position
java.lang.String	getSelectedText() returns the selected substring of the text content.
int	getSelectionEnd() returns the end position of the current selection.
int	getSelectionStart() returns the start position of the current selection.
java.lang.String	getText() Returns the String content of this text component
boolean	isEditable() Returns true if the Textfield is editable, false otherwise.
boolean	isFocusTraversable() Returns if the textfield can be reached by focus traversal.
void	removeTextListener(TextListener tl) Removes the given TextListener from this TextArea.
void	select(int start, int end) Selects the text at the given positon
void	selectAll() Selects the whole text content.
void	setCaretPosition(int cp) Sets the current cursor position
void	setEditable(boolean ed) Sets the text content to editable or not editable.
void	setSelectionEnd(int i) Sets the end position of the current selection.
void	setSelectionStart(int i) Sets the start position of the current selection.
void	setText(java.lang.String newText) Sets the text content to the given String

Methods inherited from class java.awt.Component

addFocusListener, addKeyListener, addMouseListener, addMouseMotionListener, contains, enableEvents, findComponentAt, getBackground, getBounds, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getLocationOnScreen, getMaximumSize, getMinimumSize, getParent, getPreferredSize, getSize, getWidth, getX, getY, hasFocus, invalidate, isEnabled, isValid, isVisible, paint, paintAll, processEvent, processFocusEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, repaint, repaint, requestFocus, setBackground, setBounds, setEnabled, setFont, setForeground, setLocation, setSize, setSize, setVisible, update, validate

Methods inherited from class java.lang.Object

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

Constructor Detail

TextComponent

public TextComponent()

Method Detail

addTextListener

public void addTextListener(TextListener tl)

Sets the textListener for this TextComponent. The TextListener is notified when the text content changes. Caution: In contrast to the AWT, KAWT supports * only one TextListener!

getCaretPosition

public int getCaretPosition()

Returns the current caret position

dispatchEvent

public void dispatchEvent(AWTEvent event)

Performs the action associated with the given KeyEvent

Overrides:

dispatchEvent in class Component

getSelectedText

public java.lang.String getSelectedText()

returns the selected substring of the text content. If no text is selected, an empty String is returned.

getSelectionStart

public int getSelectionStart()

returns the start position of the current selection.

getSelectionEnd

public int getSelectionEnd()

returns the end position of the current selection.

getText

public java.lang.String getText()

Returns the String content of this text component

isEditable

public boolean isEditable()

Returns true if the Textfield is editable, false otherwise.

isFocusTraversable

public boolean isFocusTraversable()

Returns if the textfield can be reached by focus traversal. True if the Textfield is editable, false otherwise.

Overrides:

isFocusTraversable in class Component

removeTextListener

public void removeTextListener(TextListener tl)

Removes the given TextListener from this TextArea.

select

public void select(int start,
                   int end)

Selects the text at the given positon

selectAll

public void selectAll()

Selects the whole text content.

setEditable

public void setEditable(boolean ed)

Sets the text content to editable or not editable.

setCaretPosition

public void setCaretPosition(int cp)

Sets the current cursor position

setSelectionStart

public void setSelectionStart(int i)

Sets the start position of the current selection.

setSelectionEnd

public void setSelectionEnd(int i)

Sets the end position of the current selection.

setText

public void setText(java.lang.String newText)

Sets the text content to the given String