ipytree: Interactive tree view based on ipywidgets¶

https://github.com/QuantStack/ipytree/¶

ipytree is a jupyter interactive widget library which provides a tree widget to the Jupyter notebook.

MIT Licensed

Installation:

conda install -c conda-forge ipytree

Create a tree¶

In [ ]:

from ipywidgets import Text, link
from ipytree import Tree, Node

In [ ]:

tree = Tree()
tree.add_node(Node('node1'))

node2 = Node('node2')
tree.add_node(node2)

tree

In [ ]:

node3 = Node('node3', disabled=True)
node4 = Node('node4')
node5 = Node('node5', [Node('1'), Node('2')])
node2.add_node(node3)
node2.add_node(node4)
node2.add_node(node5)

Change node name¶

In [ ]:

name = Text('node3')
link((name, 'value'), (node3, 'name'))

name

Change node icon¶

In [ ]:

node4.icon = 'archive'
node4.icon_style = 'warning'

Handle click¶

In [ ]:

def handle_click(event):
    event['owner'].name = 'I am selected!!!' if event['new'] else 'I am not selected...' 

node4.observe(handle_click, 'selected')
node4.selected = True