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!7

abstract sclass DynConvo > DynModule {
  L<JChatConvo.Post> posts = dm_synchroList(this);
  S userInput;
  
  transient JChatConvo view;
  
  Pt minimumSize() { ret pt(300, 300); }
  
  visualize {
    view = swing(() -> new JChatConvo);
    view.usePostsList(posts);
    ret view;
  }
      
  void sendInput {
    S s = trim(userInput);
    if (nempty(s)) {
      addPost(htmlEncode2(s), false);
      vmBus_send chatUserInput(module(), s);
      setField(userInput := "");
    }
  }
  
  // API
  
  void addPost(S html, bool right) swing {
    posts.add(new JChatConvo.Post(html, right));
    view?.updateAndScrollDown();
  }
  
  void clearPosts swing { posts.clear(); view?.updateAndScrollDown(); }
  
  void reply(S s) {
    if (empty(s = trim(s))) ret;
    addPost(htmlEncode2(s), true);
  }
}