__init__ (
        self,
        parent=None,
        **kw,
        )

Create a TreeNavigator widget.

Create a new instance with our parent widget and the treedata to be displayed.

Options

activebackground

Background color for active nodes.

autoexpand

Boolean indicating whether or not to atuomatically expand nodes in the tree.

command

Callback to be executed when nodes are selected.

doubleclickcommand

Callback to be executed when nodes are double clicked.

entercommand

Callback to be executed when pointer enters node.

iconheight

Height to use for all icons.

iconwidth

Width to use for all icons.

indent

Amount of space to indent each child node level.

ipadx

Internal padding (X).

ipady

Internal padding (Y).

leavecommand

Callback to be executed when mouse pointer leaves the node.

selectedbackground

Background color to use to show a node when it was selected by the user.

treedata

The NavigableTree instance to be displayed.

build_mark_name ( self,  levels=() )

Create a name for the mark representing the position of the given levels.

Given a tuple of level indeces, create a name of the form root-1-1-... to be used as the unique marker name for the node.

deselect_node ( self,  node )

Remove selection from a node.

enter_node ( self,  node )

Called when the mouse enters the node area.

expand_node (
        self,
        node,
        insert_expanded=0,
        )

Either expand or collapse the node.

getcurselection ( self )

Returns the current selection of the TreeNavigator.

highlight_node (
        self,
        node,
        color='white',
        )

Draw the node in our highlight color.

insert_node (
        self,
        node,
        levels=(),
        counter=1,
        insert_expanded=0,
        )

Insert a node in the tree.

Given a node, the level tuple indicating where it goes, and the counter indicating its sibling order, insert a representation of the node at the appropriate place. The node's parent or older sibling (smaller counter) needs to be in place already.

If insert_expanded is true, the children of the node are also inserted.

is_selected ( self,  node )

Determine if the given node is currently selected.

leave_node ( self,  node )

Called when the mouse leaves the node area.

reset_selection ( self,  parent )

Reset the selection.

select_node ( self,  node )

Called when a node is selected by clicking on the text.

select_node_icon ( self,  node )

Update the icon for the node because it is selected.

setcurselection ( self,  new_selection )

Set the current selection.