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Eclipse Platform
Release 3.5

org.eclipse.jface.text
Class PaintManager

java.lang.Object
  extended by 
org.eclipse.jface.text.PaintManager
All Implemented Interfaces:
EventListener, ITextInputListener, ITextListener, ISelectionChangedListener, KeyListener, MouseListener, org.eclipse.swt.internal.SWTEventListener

public final class PaintManager
extends Object
implements KeyListener, MouseListener, ISelectionChangedListener, ITextListener, ITextInputListener

Manages the IPainter object registered with an ITextViewer.

Clients usually instantiate and configure objects of this type.

Since:
2.1

Constructor Summary
PaintManager ( ITextViewer textViewer)
          Creates a new paint manager for the given text viewer.
 
Method Summary
 void addPainter ( IPainter painter)
          Adds the given painter to the list of painters managed by this paint manager.
 void dispose ()
          Disposes this paint manager.
 void inputDocumentAboutToBeChanged ( IDocument oldInput, IDocument newInput)
          Called before the input document is replaced.
 void inputDocumentChanged ( IDocument oldInput, IDocument newInput)
          Called after the input document has been replaced.
 void keyPressed ( KeyEvent e)
          Sent when a key is pressed on the system keyboard.
 void keyReleased ( KeyEvent e)
          Sent when a key is released on the system keyboard.
 void mouseDoubleClick ( MouseEvent e)
          Sent when a mouse button is pressed twice within the (operating system specified) double click period.
 void mouseDown ( MouseEvent e)
          Sent when a mouse button is pressed.
 void mouseUp ( MouseEvent e)
          Sent when a mouse button is released.
 void removePainter ( IPainter painter)
          Removes the given painter from the list of painters managed by this paint manager.
 void selectionChanged ( SelectionChangedEvent event)
          Notifies that the selection has changed.
 void textChanged ( TextEvent event)
          The visual representation of a text viewer this listener is registered with has been changed.
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PaintManager

public PaintManager(
ITextViewer textViewer)
Creates a new paint manager for the given text viewer.

Parameters:
textViewer - the text viewer associated to this newly created paint manager
Method Detail

addPainter

public void addPainter(
IPainter painter)
Adds the given painter to the list of painters managed by this paint manager. If the painter is already registered with this paint manager, this method is without effect.

Parameters:
painter - the painter to be added

removePainter

public void removePainter(
IPainter painter)
Removes the given painter from the list of painters managed by this paint manager. If the painter has not previously been added to this paint manager, this method is without effect.

Parameters:
painter - the painter to be removed

dispose

public void dispose()
Disposes this paint manager. The paint manager uninstalls itself and clears all registered painters. This method is also called when the last painter is removed from the list of managed painters.


keyPressed

public void keyPressed(
KeyEvent e)
Description copied from interface: KeyListener
Sent when a key is pressed on the system keyboard.

Specified by:
keyPressed in interface KeyListener
Parameters:
e - an event containing information about the key press

keyReleased

public void keyReleased(
KeyEvent e)
Description copied from interface: KeyListener
Sent when a key is released on the system keyboard.

Specified by:
keyReleased in interface KeyListener
Parameters:
e - an event containing information about the key release

mouseDoubleClick

public void mouseDoubleClick(
MouseEvent e)
Description copied from interface: MouseListener
Sent when a mouse button is pressed twice within the (operating system specified) double click period.

Specified by:
mouseDoubleClick in interface MouseListener
Parameters:
e - an event containing information about the mouse double click
See Also:
Display.getDoubleClickTime()

mouseDown

public void mouseDown(
MouseEvent e)
Description copied from interface: MouseListener
Sent when a mouse button is pressed.

Specified by:
mouseDown in interface MouseListener
Parameters:
e - an event containing information about the mouse button press

mouseUp

public void mouseUp(
MouseEvent e)
Description copied from interface: MouseListener
Sent when a mouse button is released.

Specified by:
mouseUp in interface MouseListener
Parameters:
e - an event containing information about the mouse button release

selectionChanged

public void selectionChanged(
SelectionChangedEvent event)
Description copied from interface: ISelectionChangedListener
Notifies that the selection has changed.

Specified by:
selectionChanged in interface ISelectionChangedListener
Parameters:
event - event object describing the change

textChanged

public void textChanged(
TextEvent event)
Description copied from interface: ITextListener
The visual representation of a text viewer this listener is registered with has been changed.

Specified by:
textChanged in interface ITextListener
Parameters:
event - the description of the change

inputDocumentAboutToBeChanged

public void inputDocumentAboutToBeChanged(
IDocument oldInput,
                                          
IDocument newInput)
Description copied from interface: ITextInputListener
Called before the input document is replaced.

Specified by:
inputDocumentAboutToBeChanged in interface ITextInputListener
Parameters:
oldInput - the text viewer's previous input document
newInput - the text viewer's new input document

inputDocumentChanged

public void inputDocumentChanged(
IDocument oldInput,
                                 
IDocument newInput)
Description copied from interface: ITextInputListener
Called after the input document has been replaced.

Specified by:
inputDocumentChanged in interface ITextInputListener
Parameters:
oldInput - the text viewer's previous input document
newInput - the text viewer's new input document

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire