feat: layer list system

bioxelnodes/props.py

@@ -1,5 +1,42 @@
 import bpy
 
+from .bioxelutils.utils import get_node_type
+
+
+class BIOXELNODES_UL_layer_list(bpy.types.UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        layout.label(text=item.label, translate=False, icon_value=icon)
+
+
 class BIOXELNODES_Series(bpy.types.PropertyGroup):
     id: bpy.props.StringProperty()   # type: ignore
     label: bpy.props.StringProperty()   # type: ignore
+
+
+def select_layer(self, context):
+    layer_list_UL = bpy.context.window_manager.bioxelnodes_layer_list_UL
+    layer_list = layer_list_UL.layer_list
+    layer_list_active = layer_list_UL.layer_list_active
+
+    if len(layer_list) > 0 and layer_list_active != -1 and layer_list_active < len(layer_list):
+        layer_obj = bpy.data.objects[layer_list[layer_list_active].obj_name]
+        node_group = context.space_data.edit_tree
+        for node in node_group.nodes:
+            node.select = False
+            if get_node_type(node) == "BioxelNodes_FetchLayer":
+                if node.inputs[0].default_value == layer_obj:
+                    node.select = True
+
+
+class BIOXELNODES_Layer(bpy.types.PropertyGroup):
+    obj_name: bpy.props.StringProperty()   # type: ignore
+    label: bpy.props.StringProperty()   # type: ignore
+    info_text: bpy.props.StringProperty()   # type: ignore
+
+
+class BIOXELNODES_LayerListUL(bpy.types.PropertyGroup):
+    layer_list: bpy.props.CollectionProperty(
+        type=BIOXELNODES_Layer)  # type: ignore
+    layer_list_active: bpy.props.IntProperty(default=-1,
+                                             update=select_layer,
+                                             options=set())  # type: ignore