Bug 161425 [Viewers] TableTreeViewer => EditingSupport broken
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TableTreeViewer.java
};
		}
		/**
		 * Return whether there is an active cell editor.
		 * 
		 * @return <code>true</code> if there is an active cell editor;
		 *         otherwise <code>false</code> is returned.
		 */
		public boolean isCellEditorActive() {
			return cellEditor != null;
		}
		/**
		 * Saves the value of the currently active cell editor, by delegating to
		 * the cell modifier.
		 */
		private void saveEditorValue(CellEditor cellEditor, Item tableItem) {
			ViewerColumn part = viewer.getViewerColumn(columnNumber);
			if (part != null && part.getEditingSupport() != null) {
				part.getEditingSupport().setValue(tableItem.getData(),
						cellEditor.getValue());
			}
		}
		/**
		 * Set the cell editors
		 * 
		 * @param editors
		 */
		public void setCellEditors(CellEditor[] editors) {
			this.cellEditors = editors;
		}