3D-Cursors-Briefcase.py

@@ -0,0 +1,135 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+bl_info = {
+    "name": "3D Cursors Briefcase",
+    "author": "twist-lab",
+    "version": (0, 0, 1),
+    "blender": (2, 80, 0),
+    "location": "View3D > Sidebar > View Tab",
+    "description": "A place to store 3D Cursors",
+    "warning": "",
+    "doc_url": "TODO", #"{BLENDER_MANUAL_URL}/addons/3d_view/3d_navigation.html"
+    "category": "3D View",
+}
+
+import bpy
+
+
+class Cursor3dProperties(bpy.types.PropertyGroup):
+    location: bpy.props.FloatVectorProperty(name="Location")
+    rotation: bpy.props.FloatVectorProperty(name="Rotation")
+
+
+class SCENE_OT_save_cursor(bpy.types.Operator):
+    bl_idname = "scene.save_cursor"
+    bl_label = "Save"
+    bl_description = "Save 3D Cursor location and rotation"
+
+    def execute(self, context):
+        item = context.scene.cursors3d_collection.add()
+        item.name = "3D Cursor"
+        item.location = context.scene.cursor.location
+        item.rotation = context.scene.cursor.rotation_euler
+        return {'FINISHED'}
+
+
+class SCENE_OT_restore_cursor(bpy.types.Operator):
+    bl_idname = "scene.restore_cursor"
+    bl_label = "Load"
+    bl_description = "Restore selected 3D Cursor"
+
+    @classmethod
+    def poll(cls, context):
+        return bool(context.scene.cursors3d_collection) and context.scene.cursors3d_index < len(context.scene.cursors3d_collection)
+
+    def execute(self, context):
+        if context.scene.cursors3d_collection:
+            item = context.scene.cursors3d_collection[context.scene.cursors3d_index]
+            context.scene.cursor.location = item.location
+            context.scene.cursor.rotation_euler = item.rotation
+        return {'FINISHED'}
+
+
+class SCENE_OT_remove_cursor_from_list(bpy.types.Operator):
+    bl_idname = "scene.remove_cursor_from_list"
+    bl_label = "Delete"
+    bl_description = "Delete selected 3D Cursor from the list"
+
+    @classmethod
+    def poll(cls, context):
+        return bool(context.scene.cursors3d_collection) and context.scene.cursors3d_index < len(context.scene.cursors3d_collection)
+
+    def execute(self, context):
+        context.scene.cursors3d_collection.remove(context.scene.cursors3d_index)
+        return {'FINISHED'}
+
+
+class SCENE_OT_move_cursor_in_list(bpy.types.Operator):
+    bl_idname = "scene.move_cursor_in_list"
+    bl_label = "Move"
+    bl_description = "Move the active Cursor up/down in the list"
+    direction: bpy.props.EnumProperty(items=[('UP', 'Up', ''), ('DOWN', 'Down', '')])
+
+    @classmethod
+    def poll(cls, context):
+        return bool(context.scene.cursors3d_collection) and context.scene.cursors3d_index < len(context.scene.cursors3d_collection)
+
+    def execute(self, context):
+        index = context.scene.cursors3d_index
+        collection = context.scene.cursors3d_collection
+        if self.direction == 'UP' and index > 0:
+            collection.move(index, index - 1)
+            context.scene.cursors3d_index -= 1
+        elif self.direction == 'DOWN' and index < len(collection) - 1:
+            collection.move(index, index + 1)
+            context.scene.cursors3d_index += 1
+
+        return {'FINISHED'}
+
+
+class SCENE_UL_cursors3d_list(bpy.types.UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        layout.prop(item, "name", text="", emboss=False)
+
+
+class OBJECT_PT_cursors3d_panel(bpy.types.Panel):
+    bl_label = "3D Cursors 💼"
+    bl_idname = "OBJECT_PT_cursors3d_panel"
+    bl_space_type = 'VIEW_3D'
+    bl_region_type = 'UI'
+    bl_category = "View"
+
+    def draw(self, context):
+        layout = self.layout
+        row = layout.row()
+        col = row.column()
+        col.template_list("SCENE_UL_cursors3d_list", "", context.scene, "cursors3d_collection", context.scene, "cursors3d_index", rows=3)
+        col = row.column(align=True)
+        col.operator("scene.save_cursor", icon='ADD', text="")
+        col.operator("scene.remove_cursor_from_list", icon='REMOVE', text="")
+        col.separator()
+        col.operator("scene.move_cursor_in_list", icon='TRIA_UP', text="").direction = 'UP'
+        col.operator("scene.move_cursor_in_list", icon='TRIA_DOWN', text="").direction = 'DOWN'
+        row = layout.row()
+        row.operator("scene.restore_cursor")
+        row.operator("view3d.view_center_cursor", text="Center View")
+
+
+classes = (Cursor3dProperties, SCENE_OT_save_cursor, SCENE_OT_restore_cursor, SCENE_OT_remove_cursor_from_list, SCENE_UL_cursors3d_list, OBJECT_PT_cursors3d_panel, SCENE_OT_move_cursor_in_list)
+
+
+def register():
+    for cls in classes:
+        bpy.utils.register_class(cls)
+    bpy.types.Scene.cursors3d_collection = bpy.props.CollectionProperty(type=Cursor3dProperties)
+    bpy.types.Scene.cursors3d_index = bpy.props.IntProperty()
+
+
+def unregister():
+    for cls in classes:
+        bpy.utils.unregister_class(cls)
+    del bpy.types.Scene.cursors3d_collection
+    del bpy.types.Scene.cursors3d_index
+
+
+if __name__ == "__main__":
+    register()