if (item.root) return;
itemEl = item.getElement().getFirstChild().cast();
fly(itemEl).addStyleName(styleTreeItem);
El el = item.el();
Element td = el.selectNode("td:first-child").dom;
indentEl = td.getFirstChildElement().cast();
jointEl = td.getNextSiblingElement().cast();
jointDivEl = jointEl.getFirstChild().cast();
checkEl = jointEl.getNextSiblingElement().getNextSiblingElement().cast();
checkDivEl = checkEl.getFirstChild().cast();
iconEl = checkEl.getNextSibling().cast();
iconDivEl = iconEl.getFirstChild().cast();
textEl = iconEl.getNextSiblingElement().cast();
textSpanEl = textEl.getFirstChildElement().cast();
containerEl = el.getChild(1);
containerEl.setVisible(false);
containerEl.makePositionable();
if (item.getItemStyleName() != null) {
item.el().firstChild().addStyleName(item.getItemStyleName());