backend works (#4076)

* drop old file

* add doscstring

nodes/exchange/bezier_in.py

@@ -12,7 +12,7 @@
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.utils.nodes_mixins.sv_animatable_nodes import SvAnimatableNode
 from sverchok.utils.nodes_mixins.show_3d_properties import Show3DProperties
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 from sverchok.data_structure import updateNode, zip_long_repeat, split_by_count
 from sverchok.utils.curve.algorithms import concatenate_curves
 from sverchok.utils.curve.bezier import SvCubicBezierCurve

nodes/exchange/nurbs_in.py

@@ -12,7 +12,7 @@
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.utils.nodes_mixins.sv_animatable_nodes import SvAnimatableNode
 from sverchok.utils.nodes_mixins.show_3d_properties import Show3DProperties
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 from sverchok.data_structure import updateNode, zip_long_repeat, split_by_count
 from sverchok.utils.curve import knotvector as sv_knotvector
 from sverchok.utils.curve.nurbs import SvNurbsCurve

nodes/list_mutators/multi_cache.py

@@ -15,7 +15,7 @@
 
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.data_structure import changable_sockets, dataCorrect, updateNode, zip_long_repeat
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 
 
 class SvvMultiCacheReset(bpy.types.Operator, SvGenericNodeLocator):

nodes/logic/evolver.py

@@ -21,7 +21,7 @@
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.data_structure import updateNode
 from sverchok.core.update_system import make_tree_from_nodes, do_update
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 from sverchok.utils.listutils import (
     listinput_getI,
     listinput_getF,

nodes/logic/genes_holder.py

@@ -14,7 +14,7 @@
 
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.data_structure import dataCorrect, updateNode
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 
 
 class SvGenesHolderReset(bpy.types.Operator, SvGenericNodeLocator):

nodes/network/file_path.py

@@ -23,7 +23,7 @@
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.data_structure import updateNode, match_long_repeat
 from sverchok.utils.modules import sv_bmesh
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 
 
 class SvFilePathFinder(bpy.types.Operator, SvGenericNodeLocator):

nodes/scene/objects_in_lite.py

@@ -11,7 +11,7 @@
 import sverchok
 from sverchok.utils.mesh_repr_utils import flatten, unflatten, generate_object
 from sverchok.utils.sv_bmesh_utils import bmesh_from_pydata
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.data_structure import updateNode
 

nodes/scene/objects_mk3.py

@@ -12,7 +12,7 @@
 import sverchok
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.utils.nodes_mixins.sv_animatable_nodes import SvAnimatableNode
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 from sverchok.data_structure import updateNode
 from sverchok.utils.sv_bmesh_utils import pydata_from_bmesh
 from sverchok.core.handlers import get_sv_depsgraph, set_sv_depsgraph_need

nodes/solid/export_solid.py

@@ -10,7 +10,7 @@
 
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.data_structure import flatten_data, map_recursive
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 from sverchok.utils.curve.core import SvCurve
 from sverchok.utils.surface.core import SvSurface
 from sverchok.utils.logging import debug

nodes/svg/svg_document.py

@@ -26,7 +26,7 @@
 import sverchok
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.data_structure import updateNode
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 
 evolver_mem = {}
 

nodes/viz/viewer_waveform_output.py

@@ -20,7 +20,7 @@
 from mathutils import Vector
 
 from sverchok.utils.context_managers import sv_preferences
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 from sverchok.node_tree import SverchCustomTreeNode
 from sverchok.data_structure import updateNode, node_id
 from sverchok.ui import bgl_callback_nodeview as nvBGL

ui/nodeview_operators.py

@@ -5,7 +5,7 @@
 # SPDX-License-Identifier: GPL3
 # License-Filename: LICENSE
 
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 import bpy
 
 class SvNodeViewZoomBorder(bpy.types.Operator, SvGenericNodeLocator):

utils/__init__.py

@@ -84,12 +84,9 @@ def auto_gather_node_classes(start_module = None):
 
 
 def get_node_class_reference(bl_idname):
-    # formerly stuff like:
-    #   cls = getattr(bpy.types, self.cls_bl_idname, None)
-
     if bl_idname == "NodeReroute":
         return getattr(bpy.types, bl_idname)
-    # this will also return a Nonetype if the ref isn't found, and the class ref if found
+
     return node_classes.get(bl_idname)
 
 
@@ -138,7 +135,7 @@ def app_handler_ops(append=None, remove=None):
     "text_editor_submenu", "text_editor_plugins",
     # UI operators and tools
     "sv_IO_pointer_helpers",
-    "sv_IO_monad_helpers", "sv_operator_utils",
+    "sv_IO_monad_helpers", "sv_operator_mixins",
     "sv_gist_tools", "sv_IO_panel_tools", "sv_load_archived_blend",
     "monad", "sv_help", "sv_default_macros", "sv_macro_utils", "sv_extra_search", "sv_3dview_tools",
     "sv_update_utils", "sv_obj_helper", "sv_batch_primitives", "sv_idx_viewer28_draw",

utils/sv_3dview_tools.py

@@ -12,7 +12,7 @@
 
 from sverchok.core.socket_conversions import is_matrix
 from sverchok.utils.modules import geom_utils
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 
 
 def get_matrix(socket):

utils/sv_obj_baker.py

@@ -11,7 +11,7 @@
 from mathutils import Vector, Matrix
 
 from sverchok.data_structure import node_id, dataCorrect, dataCorrect_np
-from sverchok.utils.sv_operator_utils import SvGenericNodeLocator
+from sverchok.utils.sv_operator_mixins import SvGenericNodeLocator
 
 cache_viewer_baker = {}
 

utils/sv_operator_mixins.py

@@ -1,22 +1,45 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-#  This program is free software; you can redistribute it and/or
-#  modify it under the terms of the GNU General Public License
-#  as published by the Free Software Foundation; either version 2
-#  of the License, or (at your option) any later version.
-#
-#  This program is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with this program; if not, write to the Free Software Foundation,
-#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# This file is part of project Sverchok. It's copyrighted by the contributors
+# recorded in the version control history of the file, available from
+# its original location https://github.com/nortikin/sverchok/commit/master
+#  
+# SPDX-License-Identifier: GPL3
+# License-Filename: LICENSE
+
 
 import bpy
+from bpy.props import StringProperty
+
+class SvGenericNodeLocator():
+    """
+    usage:
+    add this to an Operator class definition if you need to track the origin
+    of a click.
+
+    see at the bottom of this file in " class SvGenericCallbackOldOp " how to use it.
+    you can then use the "node.wrapper_tracked_ui_draw_op", in the UI draw function..
+
+    f.ex:
+        callback = "node.sverchok_mesh_baker_mk3"
+        self.wrapper_tracked_ui_draw_op(row, callback, icon='', text='')
+
+    """
+    tree_name: StringProperty(default='', description="name of the node tree")
+    node_name: StringProperty(default='', description="name of the node")
+
+    def get_node(self, context):
+        """ context.node is usually provided, else tree_name/node_name must be passed """
+        if self.tree_name and self.node_name:
+            return bpy.data.node_groups[self.tree_name].nodes[self.node_name]
+
+        if hasattr(context, "node"):
+            return context.node
+
+        print("treename or nodename not supplied, node not found in available trees")
+        print(f"received tree_name: {tree_name} and node_name: {node_name}")
+        return None
+
+    def get_tree(self):
+        return bpy.data.node_groups.get(self.tree_name)
 
 
 class SvGenericCallbackWithParams():
@@ -159,3 +182,36 @@ def invoke(self, context, event):
         wm = context.window_manager
         wm.fileselect_add(self)
         return {'RUNNING_MODAL'}
+
+
+class SvGenericCallbackOldOp(bpy.types.Operator, SvGenericNodeLocator):
+    """ 
+    This operator is generic and will call .fn_name on the instance of the caller node
+    """
+    bl_idname = "node.sverchok_generic_callback_old"
+    bl_label = "Sverchok text input"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    fn_name: StringProperty(name='function name')
+
+    def execute(self, context):
+        n = self.get_node(context)
+        if not n:
+            return {'CANCELLED'}
+
+        f = getattr(n, self.fn_name, None)
+        if not f:
+            msg = f"{n.name} has no function named '{self.fn_name}'"
+            self.report({"WARNING"}, msg)
+            return {'CANCELLED'}
+        f()
+
+        return {'FINISHED'}
+
+
+def register():
+    bpy.utils.register_class(SvGenericCallbackOldOp)
+
+
+def unregister():
+    bpy.utils.unregister_class(SvGenericCallbackOldOp)