Add Copy material to layer

3.3.0

- added: `Move Material To Layer` has now option to copy instead of moving in pop-up menu.

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+3.3.0
+
+- added: `Move Material To Layer` has now option to copy instead of moving in pop-up menu.
+
 3.2.0
 
 - added: UI settings to show GP tool settings placement and orientation

OP_material_move_to_layer.py

@@ -28,10 +28,14 @@ class GPTB_OT_move_material_to_layer(Operator) :
     bl_label = 'Move Material To Layer'
     bl_description = 'Move active material to an existing or new layer'
     bl_options = {"REGISTER", "UNDO", "INTERNAL"}
-    
 
     layer_name : bpy.props.StringProperty(
         name='Layer Name', default='', options={'SKIP_SAVE'})
+    
+    copy : bpy.props.BoolProperty(
+        name='Copy to layer', default=False, 
+        description='Copy strokes to layer instead of moving',
+        options={'SKIP_SAVE'})
 
     @classmethod
     def poll(cls, context):
@@ -53,7 +57,9 @@ class GPTB_OT_move_material_to_layer(Operator) :
     def draw(self, context):
         layout = self.layout
         # layout.operator_context = "INVOKE_DEFAULT"
-        layout.label(text=f'Move material "{self.mat_name}" to layer:', icon='MATERIAL')
+        layout.prop(self, 'copy', text='Copy Strokes')
+        action_label = 'Copy' if self.copy else 'Move'
+        layout.label(text=f'{action_label} material "{self.mat_name}" to layer:', icon='MATERIAL')
         
         col = layout.column()
         col.prop(self, 'layer_name', text='', icon='ADD')
@@ -66,7 +72,9 @@ class GPTB_OT_move_material_to_layer(Operator) :
             icon = 'GREASEPENCIL' if l == context.object.data.layers.active else 'BLANK1'
             row = col.row()
             row.alignment = 'LEFT'
-            col.operator('gp.move_material_to_layer', text=l.info, icon=icon, emboss=False).layer_name = l.info
+            op = col.operator('gp.move_material_to_layer', text=l.info, icon=icon, emboss=False)
+            op.layer_name = l.info
+            op.copy = self.copy
 
     def execute(self, context):
         if not self.layer_name:
@@ -132,8 +140,9 @@ class GPTB_OT_move_material_to_layer(Operator) :
 
                     # print('Removing frames') # Dbg
                     ## Remove from source frame (f)
-                    for s in reversed(stroke_to_delete):
+                    if not self.copy:
-                        f.strokes.remove(s)
+                        for s in reversed(stroke_to_delete):
+                            f.strokes.remove(s)
 
                     ## ? Remove frame if layer is empty ? -> probably not, will show previous frame
                     
@@ -148,7 +157,10 @@ class GPTB_OT_move_material_to_layer(Operator) :
             total += fct
                 
         report_type = 'INFO' if total else 'WARNING'
-        self.report({report_type}, f'Moved {total} frames accross {oct} object(s)')
+        if self.copy:
+            self.report({report_type}, f'Copied {total} frames accross {oct} object(s)')
+        else:
+            self.report({report_type}, f'Moved {total} frames accross {oct} object(s)')
         return {'FINISHED'}
 
 

__init__.py

@@ -4,7 +4,7 @@ bl_info = {
 "name": "GP toolbox",
 "description": "Tool set for Grease Pencil in animation production",
 "author": "Samuel Bernou, Christophe Seux",
-"version": (3, 2, 0),
+"version": (3, 3, 0),
 "blender": (4, 0, 0),
 "location": "Sidebar (N menu) > Gpencil > Toolbox / Gpencil properties",
 "warning": "",