进一步实现 interface

src/heurams/interface/widgets/placeholder.py

@@ -11,20 +11,12 @@ from textual.widgets import (
     Static,
     Button,
 )
-from textual.containers import Container, Horizontal, Center
-from textual.screen import Screen
 from textual.widget import Widget
-import uuid
-from typing import Tuple, Dict
-import heurams.kernel.particles as pt
-import heurams.kernel.puzzles as pz
-import re
-import random
-import copy
 
-class Placeholder(Composition):
-    def __init__(self, screen: Screen, extra = {}):
-        self.screen = screen
+
+class Placeholder(Widget):
+    def __init__(self, *children: Widget, name: str | None = None, id: str | None = None, classes: str | None = None, disabled: bool = False, markup: bool = True) -> None:
+        super().__init__(*children, name=name, id=id, classes=classes, disabled=disabled, markup=markup)
 
     def compose(self):
         yield Label("示例标签", id="testlabel")