Source code for pyface.tree.trait_list_node_type
# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
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#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
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#
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""" The node type for a trait list. """
from traits.api import Any, Str
from .node_type import NodeType
[docs]class TraitListNodeType(NodeType):
""" The node type for a trait list. """
# 'TraitListNodeType' interface ----------------------------------------
# The type of object that provides the trait list.
klass = Any()
# The label text.
text = Str()
# The name of the trait.
trait_name = Str()
# ------------------------------------------------------------------------
# 'NodeType' interface.
# ------------------------------------------------------------------------
[docs] def is_type_for(self, node):
""" Returns True if this node type recognizes a node. """
is_type_for = (
isinstance(node, list)
and hasattr(node, "object")
and isinstance(node.object, self.klass)
and node.name == self.trait_name
)
return is_type_for
[docs] def allows_children(self, node):
""" Does the node allow children (ie. a folder vs a file). """
return True
[docs] def has_children(self, node):
""" Returns True if a node has children, otherwise False. """
return len(node) > 0
[docs] def get_children(self, node):
""" Returns the children of a node. """
return node
[docs] def get_text(self, node):
""" Returns the label text for a node. """
return self.text