Bug 174701 [Viewers] ViewerRow should be reused instead of connected to the Item
Currently we create a ViewerRow ver every Item we create this can degrade performance, we should cache the row and reuse it
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ColumnViewer.java
}
	/**
	 * Invoking this method fires an editor activation event which tries to
	 * enable the editor but before this event is passed to
	 * {@link ColumnViewerEditorActivationStrategy} to see if this event should
	 * really trigger editor activation
	 * 
	 * @param event
	 *            the activation event
	 */
	protected void triggerEditorActivationEvent(
			ColumnViewerEditorActivationEvent event) {
		viewerEditor.handleEditorActivationEvent(event);
	}
	/**
	 * @param columnViewerEditor
	 *            the new column viewer editor
	 */
	public void setColumnViewerEditor(ColumnViewerEditor columnViewerEditor) {
		Assert.isNotNull(viewerEditor);
		this.viewerEditor = columnViewerEditor;
	}
	/**
	 * @return the currently attached viewer editor
	 */
	public ColumnViewerEditor getColumnViewerEditor() {
		return viewerEditor;
	}
}