Tree

The tree widget is still under development.

Usage

import toga

tree = toga.Tree(['Navigate'])

tree.insert(None, None, 'root1')

root2 = tree.insert(None, None, 'root2')

tree.insert(root2, None, 'root2.1')
root2_2 = tree.insert(root2, None, 'root2.2')

tree.insert(root2_2, None, 'root2.2.1')
tree.insert(root2_2, None, 'root2.2.2')
tree.insert(root2_2, None, 'root2.2.3')

Supported Platforms

Component iOS win32 web django cocoa gtk android
Tree no no no no yes yes no

Reference

class toga.interface.widgets.tree.Tree(headings, id=None, style=None)

Tree widget

Instantiate a new instance of the tree widget

Parameters:
  • headings (list of str) – The list of headings for the tree
  • id (str) – An identifier for this widget.
  • style (colosseum.CSSNode) – an optional style object. If no style is provided then a new one will be created for the widget.
add(child)

Add a widget as a child of this one.

Raises an ValueError if this widget is a leaf, and cannot have children.

Parameters:child (toga.Widget) – The child to add to the widget
app

The App to which this widget belongs.

Return type:toga.App
children

The children of this node.

This always returns a list, even if the node is a leaf and cannot have children.

Return type:list
Returns:A list of the children for this widget
hide()

Hide the widget from the super view.

id

The node identifier. This id can be used to target CSS directives

Return type:str
parent

The parent of this node.

Return type:toga.Widget
set_font(font)

Set a font on this widget.

Parameters:font (toga.Font) – The new font
show()

Show the widget on the super view.

style

The style object for this widget.

Returns:The style for this widget
Return type:colosseum.CSSNode
window

The Window to which this widget belongs.

Return type:toga.Window