CT/src/Tabs/messageTab.tsx

import * as React from "bloatless-react";

import { closeChatView, selectedChat } from "../Model/model";

import { ChatOptionModal } from "../Views/chatOptionModal";
import { MessageComposer } from "../Views/messageComposer";
import { ThreadView } from "../Views/threadView";
import { translation } from "../translations";

export function MessageTab() {
  const messageTabContent = React.createProxyState([selectedChat], () => {
    if (selectedChat.value == undefined)
      return (
        <div class="width-100 height-100 flex-column align-center justify-center">
          <span class="secondary">{translation.noChatSelected}</span>
        </div>
      );

    const chat = selectedChat.value;
    const isShowingOptions = new React.State(false);

    function showOptions() {
      isShowingOptions.value = true;
    }
    function hideOptions() {
      isShowingOptions.value = false;
    }

    return (
      <div>
        <header class="padding-0">
          <span class="flex-row align-center">
            <button aria-label={translation.back} on:click={closeChatView}>
              <span class="icon">arrow_back</span>
            </button>

            <span subscribe:innerText={chat.primaryChannel}></span>
          </span>
          <span>
            <button
              aria-label={translation.showChatOptions}
              on:click={showOptions}
            >
              <span class="icon">tune</span>
            </button>
          </span>
        </header>

        {ThreadView(chat)}
        
        <footer>{MessageComposer(chat)}</footer>

        {ChatOptionModal(chat, isShowingOptions)}
      </div>
    );
  });

  return <article id="message-tab" children:set={messageTabContent}></article>;
}