Bug 153993 [Viewers] Common Baseclass for Tree/TableEditorImpl
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TableTreeViewer.java
int columnCount = tableTree.getTable().getColumnCount();
        TableTreeItem ti = (TableTreeItem) item;
        
        for (int column = 0; column < columnCount || column == 0; column++) {
            String text = "";
            Image image = null;
            if (tprov != null) {
                text = tprov.getColumnText(element, column);
                image = tprov.getColumnImage(element, column);
            } else {
                if (column == 0) {
					ViewerLabel updateLabel = new ViewerLabel(item
							.getText(), item.getImage());
					buildLabel(updateLabel,element);
					
					 
		            
					if (item.isDisposed()) {
		                unmapElement(element, item);
		                return;
		            }   
					
					text = updateLabel.getText();
					image = updateLabel.getImage();
				}
            }
            
            
            if(text == null) {
				text = "";