Update

2023/scripts/rigging_tools/ngskintools2/operations/copy_paste_actions.py

@@ -0,0 +1,64 @@
+from ngSkinTools2 import api, signal
+from ngSkinTools2.api import Layer, PasteOperation
+from ngSkinTools2.api.session import Session
+
+
+def action_copy_cut(session, parent, cut):
+    """
+    :type session: Session
+    :type parent: PySide2.QtWidgets.QWidget
+    :type cut: bool
+    """
+    from ngSkinTools2.ui import actions
+
+    def cut_copy_callback():
+        if session.state.selectedSkinCluster is None:
+            return
+        if session.state.currentLayer.layer is None:
+            return
+        influences = session.state.currentLayer.layer.paint_targets
+        operation = api.copy_weights  # type: Callable[[Layer, list], None]
+        if cut:
+            operation = api.cut_weights
+
+        operation(session.state.currentLayer.layer, influences)
+
+    operation_name = "Cut" if cut else "Copy"
+    result = actions.define_action(parent, operation_name + " weights to clipboard", callback=cut_copy_callback)
+
+    @signal.on(session.events.currentLayerChanged, session.events.currentInfluenceChanged, qtParent=parent)
+    def on_selection_changed():
+        layer = session.state.currentLayer.layer
+        result.setEnabled(layer is not None and len(layer.paint_targets) > 0)
+
+    return result
+
+
+def action_paste(session, parent, operation):
+    """
+    :type session: Session
+    :type parent: PySide2.QtWidgets.QWidget
+    :type cut: bool
+    """
+    from ngSkinTools2.ui import actions
+
+    def paste_callback():
+        if session.state.currentLayer.layer is None:
+            return
+        influences = session.state.currentLayer.layer.paint_targets
+        api.paste_weights(session.state.currentLayer.layer, operation, influences=influences)
+
+    labels = {
+        PasteOperation.add: 'Paste weights (add to existing)',
+        PasteOperation.subtract: 'Paste weight (subtract from existing)',
+        PasteOperation.replace: 'Paste weights (replace existing)',
+    }
+
+    result = actions.define_action(parent, labels[operation], callback=paste_callback)
+    result.setToolTip("Paste previously copied weights from clipboard")
+
+    @signal.on(session.events.currentLayerChanged)
+    def on_selection_changed():
+        result.setEnabled(session.state.currentLayer.layer is not None)
+
+    return result