Source code for ooodev.adapter.tree.tree_data_model_listener

from __future__ import annotations

# pylint: disable=invalid-name, unused-import
from typing import TYPE_CHECKING

import uno
from import XTreeDataModelListener
from import GenericArgs
from ooodev.adapter.adapter_base import AdapterBase

    from import EventObject
    from import TreeDataModelEvent

[docs]class TreeDataModelListener(AdapterBase, XTreeDataModelListener): """ An instance of this interface is used by the TreeControl to get notifications about data model changes. Usually you must not implement this interface yourself as it is already handled by the TreeControl, but you must notify it correctly if you implement the XTreeDataModel yourself. See Also: `API XTreeDataModelListener <>`_ """
[docs] def __init__(self, trigger_args: GenericArgs | None = None) -> None: """ Constructor: Arguments: trigger_args (GenericArgs, optional): Args that are passed to events when they are triggered. """ super().__init__(trigger_args=trigger_args)
# region XTreeDataModelListener
[docs] def treeNodesChanged(self, event: TreeDataModelEvent) -> None: """ Event is invoked after a node (or a set of siblings) has changed in some way. The node(s) have not changed locations in the tree or altered their children arrays, but other attributes have changed and may affect presentation. Example: the name of a file has changed, but it is in the same location in the file system. To indicate the root has changed, TreeDataModelEvent.Nodes will contain the root node and ``TreeDataModelEvent.ParentNode`` will be empty. """ self._trigger_event("treeNodesChanged", event)
[docs] def treeNodesInserted(self, event: TreeDataModelEvent) -> None: """ Invoked after nodes have been inserted into the tree. Use ``TreeDataModelEvent.ParentNode`` to get the parent of the new node(s). ``TreeDataModelEvent.Nodes`` contains the new node(s). """ self._trigger_event("treeNodesInserted", event)
[docs] def treeNodesRemoved(self, event: TreeDataModelEvent) -> None: """ Invoked after nodes have been removed from the tree. Note that if a subtree is removed from the tree, this method may only be invoked once for the root of the removed subtree, not once for each individual set of siblings removed. Use ``TreeDataModelEvent.ParentNode`` to get the former parent of the deleted node(s). ``TreeDataModelEvent.Nodes`` contains the removed node(s). """ self._trigger_event("treeNodesRemoved", event)
[docs] def treeStructureChanged(self, event: TreeDataModelEvent) -> None: """ Invoked after the tree has drastically changed structure from a given node down. Use ``TreeDataModelEvent.ParentNode`` to get the node which structure has changed. ``TreeDataModelEvent.Nodes`` is empty. """ self._trigger_event("treeStructureChanged", event)
[docs] def disposing(self, event: EventObject) -> None: """ Gets called when the broadcaster is about to be disposed. All listeners and all other objects, which reference the broadcaster should release the reference to the source. No method should be invoked anymore on this object ( including ``XComponent.removeEventListener()`` ). This method is called for every listener registration of derived listener interfaced, not only for registrations at ``XComponent``. """ # from self._trigger_event("disposing", event)
# endregion XTreeDataModelListener