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Eclipse Platform
Release 3.5

org.eclipse.jface.viewers
Class ColumnLabelProvider

java.lang.Object
  extended by 

org.eclipse.core.commands.common.EventManager
      extended by 

org.eclipse.jface.viewers.BaseLabelProvider
          extended by 

org.eclipse.jface.viewers.CellLabelProvider
              extended by 
org.eclipse.jface.viewers.ColumnLabelProvider
All Implemented Interfaces:
IBaseLabelProvider, IColorProvider, IFontProvider, ILabelProvider
Direct Known Subclasses:
PropertyColumnLabelProvider, TreeColumnViewerLabelProvider

public class ColumnLabelProvider
extends CellLabelProvider
implements IFontProvider, IColorProvider, ILabelProvider

The ColumnLabelProvider is the label provider for viewers that have column support such as TreeViewer and TableViewer

This classes is intended to be subclassed

Since:
3.3

Constructor Summary
ColumnLabelProvider ()
           
 
Method Summary
  Color getBackground ( Object element)
          Provides a background color for the given element.
  Font getFont ( Object element)
          Provides a font for the given element.
  Color getForeground ( Object element)
          Provides a foreground color for the given element.
  Image getImage ( Object element)
          Returns the image for the label of the given element.
  String getText ( Object element)
          Returns the text for the label of the given element.
 void update ( ViewerCell cell)
          Update the label for cell.
 
Methods inherited from class org.eclipse.jface.viewers. CellLabelProvider
dispose, getToolTipBackgroundColor, getToolTipDisplayDelayTime, getToolTipFont, getToolTipForegroundColor, getToolTipImage, getToolTipShift, getToolTipStyle, getToolTipText, getToolTipTimeDisplayed, initialize, useNativeToolTip
 
Methods inherited from class org.eclipse.jface.viewers. BaseLabelProvider
addListener, dispose, fireLabelProviderChanged, isLabelProperty, removeListener
 
Methods inherited from class org.eclipse.core.commands.common. EventManager
addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.eclipse.jface.viewers. IBaseLabelProvider
addListener, dispose, isLabelProperty, removeListener
 

Constructor Detail

ColumnLabelProvider

public ColumnLabelProvider()
Method Detail

update

public void update(
ViewerCell cell)
Description copied from class: CellLabelProvider
Update the label for cell.

Specified by:
update in class CellLabelProvider
Parameters:
cell - ViewerCell

getFont

public 
Font getFont(
Object element)
Description copied from interface: IFontProvider
Provides a font for the given element.

Specified by:
getFont in interface IFontProvider
Parameters:
element - the element
Returns:
the font for the element, or null to use the default font

getBackground

public 
Color getBackground(
Object element)
Description copied from interface: IColorProvider
Provides a background color for the given element.

Specified by:
getBackground in interface IColorProvider
Parameters:
element - the element
Returns:
the background color for the element, or null to use the default background color

getForeground

public 
Color getForeground(
Object element)
Description copied from interface: IColorProvider
Provides a foreground color for the given element.

Specified by:
getForeground in interface IColorProvider
Parameters:
element - the element
Returns:
the foreground color for the element, or null to use the default foreground color

getImage

public 
Image getImage(
Object element)
Description copied from interface: ILabelProvider
Returns the image for the label of the given element. The image is owned by the label provider and must not be disposed directly. Instead, dispose the label provider when no longer needed.

Specified by:
getImage in interface ILabelProvider
Parameters:
element - the element for which to provide the label image
Returns:
the image used to label the element, or null if there is no image for the given object

getText

public 
String getText(
Object element)
Description copied from interface: ILabelProvider
Returns the text for the label of the given element.

Specified by:
getText in interface ILabelProvider
Parameters:
element - the element for which to provide the label text
Returns:
the text string used to label the element, or null if there is no text label for the given object

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