spinetoolbox.spine_db_editor.mvcmodels.tree_item_utility

A tree model for parameter_value lists.

authors:

13. Marin (KTH)

date:

28.6.2019

Module Contents

Classes

NonLazyTreeItem	A tree item that fetches their children as they are inserted.
EditableMixin
LastGrayMixin	Paints the last item gray.
AllBoldMixin	Bolds text.
EmptyChildMixin	Guarantess there’s always an empty child.
NonLazyDBItem	An item representing a db.

class spinetoolbox.spine_db_editor.mvcmodels.tree_item_utility.NonLazyTreeItem(model=None)

Bases: spinetoolbox.mvcmodels.minimal_tree_model.TreeItem

A tree item that fetches their children as they are inserted.

Initializes item.

Parameters:model (MinimalTreeModel, NoneType) – The model where the item belongs.

item_type

db_mngr

can_fetch_more(self)

Disables lazy loading by returning False.

insert_children(self, position, *children)

Fetches the children as they become parented.

class spinetoolbox.spine_db_editor.mvcmodels.tree_item_utility.EditableMixin

flags(self, column)

Makes items editable.

class spinetoolbox.spine_db_editor.mvcmodels.tree_item_utility.LastGrayMixin

Paints the last item gray.

data(self, column, role=Qt.DisplayRole)

class spinetoolbox.spine_db_editor.mvcmodels.tree_item_utility.AllBoldMixin

Bolds text.

data(self, column, role=Qt.DisplayRole)

class spinetoolbox.spine_db_editor.mvcmodels.tree_item_utility.EmptyChildMixin

Guarantess there’s always an empty child.

empty_child(self)

fetch_more(self)

append_empty_child(self, row)

Appends empty child if the row is the last one.

class spinetoolbox.spine_db_editor.mvcmodels.tree_item_utility.NonLazyDBItem(db_map)

Bases: spinetoolbox.spine_db_editor.mvcmodels.tree_item_utility.NonLazyTreeItem

An item representing a db.

Init class.

Args

db_mngr (SpineDBManager) db_map (DiffDatabaseMapping)

item_type

data(self, column, role=Qt.DisplayRole)

Shows Spine icon for fun.

set_data(self, column, value, role)

See base class.