Added operator code for custom editor header

__init__.py

@@ -499,6 +499,7 @@ def draw(self,context):
     ui.MCFG_GT_NodeSetupPresetItem,
     ui.MCFG_UL_ModelSelectionList,
     ui.MCFG_UL_NodeSetupPresetList,
+    ui.MCFG_OT_NewConfig,
     ui.MCFG_OT_BonesFromModel,
     ui.MCFG_OT_SectionsFromModel,
     ui.MCFG_OT_ReportBox,
@@ -626,6 +627,7 @@ def register():
     # Menus
     bpy.types.NODE_MT_editor_menus.append(ui.draw_header)
     bpy.types.TEXT_MT_templates.append(ui.draw_menu)
+    # bpy.types.NODE_HT_header.draw = ui.draw_header_override
 
     print("Register done")
 
@@ -675,6 +677,7 @@ def unregister():
     print("\tmenus")
     bpy.types.NODE_MT_editor_menus.remove(ui.draw_header)
     bpy.types.TEXT_MT_templates.remove(ui.draw_menu)
+    # bpy.types.NODE_HT_header.draw = ui.orig_node_header
 
     print("Unregister done")
 

ui.py

@@ -122,6 +122,28 @@ def draw_item(self,context,layout,data,item,icon,active_data,active_propname,ind
             layout.alignment = 'CENTER'
             layout.label(text=item.name,icon=icon)
 
+class MCFG_OT_NewConfig(bpy.types.Operator):
+    # Description string
+    '''Create new model config node tree'''
+
+    # Mandatory variables
+    bl_label = "New Config"
+    bl_idname = "mcfg.newconfig"
+
+    # Standard functions
+    @classmethod
+    def poll(cls, context):
+        return context.space_data.type == 'NODE_EDITOR' and context.space_data.tree_type == 'MCFG_N_Tree'
+
+    def execute(self,context):
+
+        editorSpace = context.space_data
+        newTree = bpy.data.node_groups.new("Model Config",'MCFG_N_Tree')
+        newTree.use_fake_user = True
+        editorSpace.node_tree = newTree
+
+        return {'FINISHED'}
+
 class MCFG_OT_BonesFromModel(bpy.types.Operator):
     # Description string
     '''Create bones from model selections'''
@@ -653,4 +675,20 @@ def draw_menu(self,context):
     layout.separator()
     layout.label(text="Arma 3 model config editor")
     layout.menu("MCFG_MT_TemplatesNodeScript")
-    layout.menu("MCFG_MT_TemplatesSetupPresets")
+    layout.menu("MCFG_MT_TemplatesSetupPresets")
+
+# Original node editor header draw function
+orig_node_header = bpy.types.NODE_HT_header.draw
+
+def draw_header_override(self,context): # THIS STILL NEEDS TO BE LOOKED INTO REGARDING ADDON CONFLICTS
+    from bl_ui.space_node import NODE_MT_editor_menus
+
+    if context.space_data.type != 'NODE_EDITOR' or context.space_data.tree_type != 'MCFG_N_Tree':
+        orig_node_header(self,context)
+        return
+
+    self.layout.template_header()
+    NODE_MT_editor_menus.draw_collapsible(context,self.layout)
+    self.layout.separator_spacer()
+    self.layout.template_ID(context.space_data,"node_tree",new="mcfg.newconfig",open="mcfg.import")
+    self.layout.separator_spacer()