Follow Techotopia on Twitter

On-line Guides
All Guides
eBook Store
iOS / Android
Linux for Beginners
Office Productivity
Linux Installation
Linux Security
Linux Utilities
Linux Virtualization
Linux Kernel
System/Network Admin
Programming
Scripting Languages
Development Tools
Web Development
GUI Toolkits/Desktop
Databases
Mail Systems
openSolaris
Eclipse Documentation
Techotopia.com
Virtuatopia.com

How To Guides
Virtualization
General System Admin
Linux Security
Linux Filesystems
Web Servers
Graphics & Desktop
PC Hardware
Windows
Problem Solutions
Privacy Policy

  




 

 

Eclipse GEF
3.3

org.eclipse.gef.ui.parts
Class PaletteViewerKeyHandler

java.lang.Object
  extended by

org.eclipse.gef.KeyHandler
      extended by

org.eclipse.gef.ui.parts.GraphicalViewerKeyHandler
          extended by
org.eclipse.gef.ui.parts.PaletteViewerKeyHandler

public class PaletteViewerKeyHandler
extends GraphicalViewerKeyHandler

KeyHandler for the Palette. Handles selection traversal of Palette entries and collapse/expand of categories.


Constructor Summary
PaletteViewerKeyHandler ( PaletteViewer viewer)
          Constructs a key handler for the specified palette viewer.
 
Method Summary
protected   Point getNavigationPoint ( IFigure figure)
          Figures' navigation points are used to determine their direction compared to one another, and the distance between them.
protected  java.util.List getNavigationSiblings ()
          Returns the list of editparts which are conceptually at the same level of navigation as the currently focused editpart.
 boolean keyPressed (KeyEvent event)
          Extends keyPressed to look for palette navigation keys.
protected  void navigateTo ( EditPart part, KeyEvent event)
          Navigates to the given EditPart
 
Methods inherited from class org.eclipse.gef.ui.parts. GraphicalViewerKeyHandler
getFocusEditPart, getViewer, isViewerMirrored, processSelect
 
Methods inherited from class org.eclipse.gef. KeyHandler
keyReleased, put, remove, setParent
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PaletteViewerKeyHandler

public PaletteViewerKeyHandler(
PaletteViewer viewer)
Constructs a key handler for the specified palette viewer.

Parameters:
viewer - the palette viewer
Method Detail

getNavigationPoint

protected 
Point getNavigationPoint(
IFigure figure)
Figures' navigation points are used to determine their direction compared to one another, and the distance between them.

Parameters:
figure - the figure whose navigation point is to be returned
Returns:
the top-left of the given figure

getNavigationSiblings

protected java.util.List getNavigationSiblings()
Description copied from class: GraphicalViewerKeyHandler
Returns the list of editparts which are conceptually at the same level of navigation as the currently focused editpart. By default, these are the siblings of the focused part.

This implementation returns a list that contains the EditPart that has focus.

Overrides:
getNavigationSiblings in class GraphicalViewerKeyHandler
Returns:
a list of EditParts that can be traversed to from the current focus part

keyPressed

public boolean keyPressed(KeyEvent event)
Extends keyPressed to look for palette navigation keys.

Overrides:
keyPressed in class GraphicalViewerKeyHandler
See Also:
org.eclipse.gef.KeyHandler#keyPressed(org.eclipse.swt.events.KeyEvent)

navigateTo

protected void navigateTo(
EditPart part,
                          KeyEvent event)
Description copied from class: GraphicalViewerKeyHandler
Navigates to the given EditPart

Overrides:
navigateTo in class GraphicalViewerKeyHandler
Parameters:
part - the EditPart to navigate to
event - the KeyEvent that triggered this traversal
See Also:
GraphicalViewerKeyHandler.navigateTo(EditPart, KeyEvent)

Eclipse GEF
3.3

Copyright (c) IBM Corp. and others 2000, 2007. All Rights Reserved.

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