DragManager: Remove class_name from internal scripts

These are now always preloaded in the scripts that depend on them.

Makes the plugin work again after enabling it.

https://phabricator.endlessm.com/T35574

Author: manuq

addons/block_code/block_code_plugin.gd

@@ -18,14 +18,12 @@ var old_feature_profile: String = ""
 
 const DISABLED_CLASSES := [
 	"BlockScriptData",
-	"DragManager",
 	"InstructionTree",
 	"Types",
 	"Block",
 	"ControlBlock",
 	"ParameterBlock",
 	"StatementBlock",
-	"DragDropArea",
 	"SnapPoint",
 	"SerializedBlockTreeNodeArray",
 	"SerializedBlockTreeNode",

addons/block_code/drag_manager/drag.gd

@@ -4,13 +4,15 @@ extends Control
 const Constants = preload("res://addons/block_code/ui/constants.gd")
 const DragManager = preload("res://addons/block_code/drag_manager/drag_manager.gd")
 
+enum DragAction { NONE, PLACE, REMOVE }
+
 var _block: Block
 var _block_scope: String
 var _block_canvas: BlockCanvas
 var _preview_block: Control
 var _snap_points: Array[Node]
 var _delete_areas: Array[Rect2]
-var action: DragManager.DragAction:
+var action: DragAction:
 	get:
 		return action
 	set(value):
@@ -60,22 +62,22 @@ func update_drag_state():
 
 	for rect in _delete_areas:
 		if rect.has_point(get_global_mouse_position()):
-			action = DragManager.DragAction.REMOVE
+			action = DragAction.REMOVE
 			target_snap_point = null
 			return
 
-	action = DragManager.DragAction.PLACE
+	action = DragAction.PLACE
 
 	target_snap_point = _find_closest_snap_point()
 
 
 func apply_drag() -> Block:
 	update_drag_state()
 
-	if action == DragManager.DragAction.PLACE:
+	if action == DragAction.PLACE:
 		_place_block()
 		return _block
-	elif action == DragManager.DragAction.REMOVE:
+	elif action == DragAction.REMOVE:
 		_remove_block()
 		return null
 	else:
@@ -172,7 +174,7 @@ func _get_distance_to_snap_point(snap_point: SnapPoint) -> float:
 
 func _update_action_hint():
 	match action:
-		DragManager.DragAction.REMOVE:
+		DragAction.REMOVE:
 			_block.modulate = Color(1.0, 1.0, 1.0, 0.5)
 		_:
 			_block.modulate = Color.WHITE

addons/block_code/drag_manager/drag_manager.gd

@@ -1,5 +1,4 @@
 @tool
-class_name DragManager
 extends Control
 
 signal block_dropped
@@ -12,8 +11,6 @@ const Drag = preload("res://addons/block_code/drag_manager/drag.gd")
 
 const Constants = preload("res://addons/block_code/ui/constants.gd")
 
-enum DragAction { NONE, PLACE, REMOVE }
-
 var _picker: Picker
 var _block_canvas: BlockCanvas
 

addons/block_code/ui/block_canvas/block_canvas.gd

@@ -2,6 +2,7 @@
 class_name BlockCanvas
 extends MarginContainer
 
+const DragManager = preload("res://addons/block_code/drag_manager/drag_manager.gd")
 const Util = preload("res://addons/block_code/ui/util.gd")
 
 const EXTEND_MARGIN: float = 800

addons/block_code/ui/blocks/control_block/control_block.gd

@@ -3,6 +3,7 @@ class_name ControlBlock
 extends Block
 
 const Constants = preload("res://addons/block_code/ui/constants.gd")
+const DragDropArea = preload("res://addons/block_code/ui/blocks/utilities/drag_drop_area/drag_drop_area.gd")
 
 @export var block_formats: Array = []
 @export var statements: Array = []

addons/block_code/ui/blocks/utilities/drag_drop_area/drag_drop_area.gd

@@ -1,5 +1,4 @@
 @tool
-class_name DragDropArea
 extends MarginContainer
 
 signal mouse_down

addons/block_code/ui/main_panel.gd

@@ -2,6 +2,8 @@
 class_name MainPanel
 extends Control
 
+const DragManager = preload("res://addons/block_code/drag_manager/drag_manager.gd")
+
 @onready var _picker: Picker = %Picker
 @onready var _block_canvas: BlockCanvas = %BlockCanvas
 @onready var _drag_manager: DragManager = %DragManager