org.eclipse.jface.viewers.ColumnLabelProvider Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2006, 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.viewers;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
/**
* The ColumnLabelProvider is the label provider for viewers
* that have column support such as {@link TreeViewer} and
* {@link TableViewer}
*
* This classes is intended to be subclassed
*
* @since 1.0
*
*/
public class ColumnLabelProvider extends CellLabelProvider implements
IFontProvider, IColorProvider, ILabelProvider {
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.CellLabelProvider#update(org.eclipse.jface.viewers.ViewerCell)
*/
public void update(ViewerCell cell) {
Object element = cell.getElement();
cell.setText(getText(element));
Image image = getImage(element);
cell.setImage(image);
cell.setBackground(getBackground(element));
cell.setForeground(getForeground(element));
cell.setFont(getFont(element));
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IFontProvider#getFont(java.lang.Object)
*/
public Font getFont(Object element) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object)
*/
public Color getBackground(Object element) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object)
*/
public Color getForeground(Object element) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
*/
public Image getImage(Object element) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
*/
public String getText(Object element) {
return element == null ? "" : element.toString();//$NON-NLS-1$
}
}