apptools.preferences.ui.tree_item module¶
A generic base-class for items in a tree data structure.
An example:-
root = TreeItem(data=’Root’)
fruit = TreeItem(data=’Fruit’) fruit.append(TreeItem(data=’Apple’, allows_children=False)) fruit.append(TreeItem(data=’Orange’, allows_children=False)) fruit.append(TreeItem(data=’Pear’, allows_children=False)) root.append(fruit)
veg = TreeItem(data=’Veg’) veg.append(TreeItem(data=’Carrot’, allows_children=False)) veg.append(TreeItem(data=’Cauliflower’, allows_children=False)) veg.append(TreeItem(data=’Sprout’, allows_children=False)) root.append(veg)
- class apptools.preferences.ui.tree_item.TreeItem[source]¶
- Bases: - HasTraits- A generic base-class for items in a tree data structure. - append(child)[source]¶
- Appends a child to this item. - This removes the child from its current parent (if it has one). 
 - insert(index, child)[source]¶
- Inserts a child into this item at the specified index. - This removes the child from its current parent (if it has one). 
 - insert_after(after, child)[source]¶
- Inserts a child into this item after the specified item. - This removes the child from its current parent (if it has one). 
 
