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Class java.awt.TextComponent 

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.TextComponent
public class TextComponent
extends Component
A TextComponent is a component that allows the editing of some text.

Variable Index

o textListener

Method Index

o addTextListener(TextListener)
Adds the specified text event listener to recieve text events from this textcomponent.
o getCaretPosition()
Returns the position of the text insertion caret for the text component.
o getSelectedText()
Returns the selected text contained in this TextComponent.
o getSelectionEnd()
Returns the selected text's end position.
o getSelectionStart()
Returns the selected text's start position.
o getText()
Returns the text contained in this TextComponent.
o isEditable()
Returns the boolean indicating whether this TextComponent is editable or not.
o paramString()
Returns the String of parameters for this TextComponent.
o processEvent(AWTEvent)
Processes events on this textcomponent.
o processTextEvent(TextEvent)
Processes text events occurring on this text component by dispatching them to any registered TextListener objects.
o removeNotify()
Removes the TextComponent's peer.
o removeTextListener(TextListener)
Removes the specified text event listener so that it no longer receives text events from this textcomponent
o select(int, int)
Selects the text found between the specified start and end locations.
o selectAll()
Selects all the text in the TextComponent.
o setCaretPosition(int)
Sets the position of the text insertion caret for the TextComponent
o setEditable(boolean)
Sets the specified boolean to indicate whether or not this TextComponent should be editable.
o setSelectionEnd(int)
Sets the selection end to the specified position.
o setSelectionStart(int)
Sets the selection start to the specified position.
o setText(String)
Sets the text of this TextComponent to the specified text.

Variables

o textListener 
 protected transient TextListener textListener

Methods

o removeNotify 
 public void removeNotify()
Removes the TextComponent's peer. The peer allows us to modify the appearance of the TextComponent without changing its functionality.

Overrides:
removeNotify in class Component
o setText 
 public synchronized void setText(String t)
Sets the text of this TextComponent to the specified text.

Parameters:
t - the new text to be set
See Also:
getText
o getText 
 public synchronized String getText()
Returns the text contained in this TextComponent.

See Also:
setText
o getSelectedText 
 public synchronized String getSelectedText()
Returns the selected text contained in this TextComponent.

See Also:
setText
o isEditable 
 public boolean isEditable()
Returns the boolean indicating whether this TextComponent is editable or not.

See Also:
setEditable
o setEditable 
 public synchronized void setEditable(boolean b)
Sets the specified boolean to indicate whether or not this TextComponent should be editable.

Parameters:
b - the boolean to be set
See Also:
isEditable
o getSelectionStart 
 public synchronized int getSelectionStart()
Returns the selected text's start position.

o setSelectionStart 
 public synchronized void setSelectionStart(int selectionStart)
Sets the selection start to the specified position. The new starting point is constrained to be before or at the current selection end.

Parameters:
selectionStart - the start position of the text
o getSelectionEnd 
 public synchronized int getSelectionEnd()
Returns the selected text's end position.

o setSelectionEnd 
 public synchronized void setSelectionEnd(int selectionEnd)
Sets the selection end to the specified position. The new end point is constrained to be at or after the current selection start.

Parameters:
selectionEnd - the start position of the text
o select 
 public synchronized void select(int selectionStart,
                                 int selectionEnd)
Selects the text found between the specified start and end locations.

Parameters:
selectionStart - the start position of the text
selectionEnd - the end position of the text
o selectAll 
 public synchronized void selectAll()
Selects all the text in the TextComponent.

o setCaretPosition 
 public void setCaretPosition(int position)
Sets the position of the text insertion caret for the TextComponent

Parameters:
position - the position
Throws: IllegalArgumentException
If position is less than 0.
o getCaretPosition 
 public int getCaretPosition()
Returns the position of the text insertion caret for the text component.

Returns:
the position of the text insertion caret for the text component.
o addTextListener 
 public void addTextListener(TextListener l)
Adds the specified text event listener to recieve text events from this textcomponent.

Parameters:
l - the text event listener
o removeTextListener 
 public void removeTextListener(TextListener l)
Removes the specified text event listener so that it no longer receives text events from this textcomponent

o processEvent 
 protected void processEvent(AWTEvent e)
Processes events on this textcomponent. If the event is a TextEvent, it invokes the processTextEvent method, else it invokes its superclass's processEvent.

Parameters:
e - the event
Overrides:
processEvent in class Component
o processTextEvent 
 protected void processTextEvent(TextEvent e)
Processes text events occurring on this text component by dispatching them to any registered TextListener objects. NOTE: This method will not be called unless text events are enabled for this component; this happens when one of the following occurs: a) A TextListener object is registered via addTextListener() b) Text events are enabled via enableEvents()

Parameters:
e - the text event
See Also:
enableEvents
o paramString 
 protected String paramString()
Returns the String of parameters for this TextComponent.

Overrides:
paramString in class Component 
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