Bug 80793 [Viewers] null image returned from ILabelProvider.getImage should remove any image
I20041208 (-gtk) I have an ILabelProvider which in some cases returns an image in its getImage method, in some cases it does not. If I have once set an image, and then want to remove it, I return null; however, ViewerLabel.hasNewImage treats null as "no change". IMO, if a null image is returned, the viewer should remove the image from the label, alternatively, you could provide a "NullImage" and doc its usage. Currently, there is no way I can remove an image I once set without creating an empty image myself.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ViewerLabel.java
/**
	 * Set the font.
	 * @param font Font
	 * 
	 * @since 3.1
	 */
	public void setFont(Font font) {
		this.font = font;
	}
	/**
	 * Get the foreground Color.
	 * @return Color or <code>null</code> if no new value
	 * was set.
	 * 
	 * @since 3.1
	 */
	public Color getForeground() {
		return foreground;
	}
	/**
	 * Set the foreground Color.
	 * @param foreground
	 * 
	 * @since 3.1
	 */
	public void setForeground(Color foreground) {
		this.foreground = foreground;
	}
}