simvx.editor.commands

Editor undo/redo commands for node tree operations.

Provides self-contained command objects for every undoable editor action. Each command stores all data needed to execute, undo, and redo without external state. Use with UndoStack.push() to record operations.

Module Contents

Classes

AddNodeCommand	Add a child node to the tree. Undo removes it.
RemoveNodeCommand	Remove a child from the tree. Undo re-adds it at original index.
ReparentCommand	Move a node from one parent to another. Undo restores original parent.
ReorderCommand	Change a child’s index within its parent. Undo restores original index.
RenameCommand	Rename a node. Undo restores the old name.
TransformCommand	Batch property changes from a gizmo operation. Undo restores old transform.

API

class simvx.editor.commands.AddNodeCommand(parent: simvx.core.Node, child: simvx.core.Node, index: int = -1)

Bases: simvx.core.CallableCommand

Add a child node to the tree. Undo removes it.

Initialization

property description: str

execute() → None

undo() → None

class simvx.editor.commands.RemoveNodeCommand(parent: simvx.core.Node, child: simvx.core.Node)

Bases: simvx.core.CallableCommand

Remove a child from the tree. Undo re-adds it at original index.

Initialization

property description: str

execute() → None

undo() → None

class simvx.editor.commands.ReparentCommand(node: simvx.core.Node, new_parent: simvx.core.Node, old_parent: simvx.core.Node, old_index: int)

Bases: simvx.core.CallableCommand

Move a node from one parent to another. Undo restores original parent.

Initialization

property description: str

execute() → None

undo() → None

class simvx.editor.commands.ReorderCommand(parent: simvx.core.Node, child: simvx.core.Node, new_index: int, old_index: int)

Bases: simvx.core.CallableCommand

Change a child’s index within its parent. Undo restores original index.

Initialization

property description: str

execute() → None

undo() → None

class simvx.editor.commands.RenameCommand(node: simvx.core.Node, new_name: str, old_name: str)

Bases: simvx.core.CallableCommand

Rename a node. Undo restores the old name.

Initialization

property description: str

execute() → None

undo() → None

class simvx.editor.commands.TransformCommand(node: simvx.core.Node, old_values: dict[str, Any], new_values: dict[str, Any])

Bases: simvx.core.BatchCommand

Batch property changes from a gizmo operation. Undo restores old transform.

Parameters

node: The node whose transform properties changed. old_values: Mapping of property name to value before the change. new_values: Mapping of property name to value after the change.

Initialization

property description: str

execute() → None

undo() → None