Returns whether this item is expanded, showing it's children, or closed
Returns true, when this item has a visible checkbox in front to expand the subsequent branch
Shows or hides the checkbox for expanding the subsequent branch
Returns true if the CSS_CLASS.SELECTED is attached to this item
Attaches or detaches the CSS_CLASS.SELECTED to this item
Tries to expanding the CustomTreeList of children, by dispatching EVENT.EXPAND. The user of the tree needs to add an event listener to the tree in order to create that CustomTreeList and add it as branch to this item
Returns the branch of children of this item.
Dispatches the EVENT.SELECT event
For multiple selection (+Ctrl)
For selection over interval (+Shift)
Sets the branch of children of this item. The branch must be a previously compiled CustomTreeList
Extension of li-element that represents an object in a CustomTreeList with a checkbox and an HTMLElement as content. Additionally, may hold an instance of CustomTreeList as branch to display children of the corresponding object.