suminchat/chat.html at master · tgaff/suminchat · GitHub

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<html>
<head>
  <script src="https://cdn.firebase.com/js/client/2.2.1/firebase.js"></script>
  <script src='https://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js'></script>
  <script src='/javascripts/google_auth.js'></script>
  <script src='javascripts/microsoftTranslator.js'></script>
  <script src='javascripts/translationRouter.js'></script>
  <script src='javascripts/jquery.phoenix.min.js'></script>
  <script src='javascripts/clientNaverTranslator.js'></script>
  <link rel="stylesheet" type="text/css" href="css/chat.css">
</head>
<body>

<!-- CHAT MARKUP -->
<div class="example-chat l-demo-container">
  <header>
    <div class='example-chat-toolbar'>
      <h2>chat with translation</h2>
    </div>
    <div class='example-chat-username-field'>
      <!--<label for="nameInput">name:</label>-->
      <input type='text' id='nameInput' placeholder='enter a username...' class='phoenix' >
      <!--<input type='button' id='logOut' value='log out'>-->
    </div>
  </header>
  <ul id='example-messages' class="example-chat-messages"></ul>

  <footer>
    <input type='text' id='messageInput'  placeholder='Type a message...'>
    <div class='lang-selector'>
      <div id='from-lang'>
         <label>I am typing in: </label>
         <select name="my-lang" class='phoenix'>
          <option value="en" selected>en</option>
          <option value="es">es</option>
          <option value="de">de</option>
          <option value="ko">ko</option>
          <option value="zh-CHS">zh-CHS</option>
        </select>
      </div>
      <div id='to-lang'>
        <form class='phoenix'>
          <label>I want to see translations in:</label>
          <br>
          <label>en</label>
          <input type="checkbox" class='phoenix' name="en" value="en">
          <label>es</label>
          <input type="checkbox" class='phoenix' name="es" value="es">
          <label>de</label>
          <input type="checkbox" class='phoenix' name="de" value="de">
          <label>ko</label>
          <input type="checkbox" class='phoenix' name="ko" value="ko">
          <label>zh-CHS</label>
          <input type="checkbox" class='phoenix' name="zh-CHS" value="zh-CHS">
        </form>
      </div>
    </div>
  </footer>
</div>
<div class='notes'>
  <h3>Latest changes:</h3>
  <ul>
    <li>new visual design</li>
    <li>translator token requests use promises to avoid translation without a token</li>
    <li>translator modularized</li>
    <li>Added Naver for Korean translation</li>
  </ul>
</div>
<!-- auth connector -->
<script>
var nameField = $('#nameInput');
var logOutButton = $('#logOut');

var rootRef = new Firebase("https://suminchat.firebaseio.com");

var onAuthCallback = function(authData) {
  googleAuth.authDataCallback(authData);
  if (authData) {
    if (($('#nameInput').val().length < 1) ) {
      updateUserName(googleAuth.userName);
    };
    rootRef.offAuth(onAuthCallback);
    setupMessageMonitor();
  };
};

// this seems to work but the below version is simpler
/*
setTimeout(function() {
  var auth = rootRef.getAuth();
  if (auth == null) {
    rootRef.onAuth(onAuthCallback);
  } else {
    onAuthCallback(auth);
  }
}, 1000);
*/
//$(document).ready(setTimeout(function() { rootRef.onAuth(onAuthCallback); }, 200));
// we'll do this onLoad

logOutButton.click(function() {
  rootRef.unauth(); // not working so great
});

function updateUserName(name) {
  nameField.val(name);
};

</script>
<!-- checkbox handlers -->
<script>
var supportedLanguageCodes = [ 'en',   'es',   'de',   'ko',   'zh-CHS' ];
function checkBoxFor(lang) { return($('input[value='+lang+']')); };
function isARequestedDisplayLanguage(lang) {
  if (checkBoxFor(lang).is(':checked')) {
    return(true);
  } else {
    return(false);
  }
};
// handle to checkbox - displaying translations based upon checked boxes
$(document).ready(function() {
  supportedLanguageCodes.forEach(function(langKey) {
    var langClass = '.'+langKey;
    var langCheckBox = checkBoxFor(langKey);
    langCheckBox.click(function() {
      if (langCheckBox.is(':checked')) {
        $(langClass).show(1, scrollToBottom);
        scrollToBottom();
      } else {
        $(langClass).slideUp('slow');
      }
    })
  });//forEach
});
$(document).ready(function() {
    $('.phoenix').phoenix();
});

function scrollToBottom() {
  messageList[0].scrollTop = messageList[0].scrollHeight;
};
</script>
<!-- CHAT JAVACRIPT -->
<script>
  var chatRoom = location.host.match(/localhost/) ? 'demo2' : 'demo1';
  var messagesRef = new Firebase('https://suminchat.firebaseio.com/').child(chatRoom);

  // REGISTER DOM ELEMENTS
  var messageField = $('#messageInput');
  var nameField = $('#nameInput');
  var messageList = $('#example-messages');

  // LISTEN FOR KEYPRESS EVENT
  messageField.keypress(function (e) {
    if (e.keyCode == 13) {
      //FIELD VALUES
      var username = nameField.val();
      var message = messageField.val();
      var currentLang = $('[name=my-lang] option:selected').attr('value');
      //SAVE DATA TO FIREBASE AND EMPTY FIELD
      var newMessageRef = messagesRef.push({
        name:username,
        text:message,
        userID:googleAuth.userID,
        translations: null,
        specifiedLang: currentLang
      });
      //kick off translation for this message
      handleTranslation(newMessageRef, message, currentLang);
      messageField.val('');
    }
  });

function setupMessageMonitor() {
  // Add a callback that is triggered for each chat message.
  messagesRef.limitToLast(30).on('child_added', function (snapshot) {
    //GET DATA
    var data = snapshot.val();
    var username = data.name || "anonymous";
    var message = data.text;
    var uID = data.userID || 'none';
    var mID = snapshot.key(); //
    //CREATE ELEMENTS MESSAGE & SANITIZE TEXT
    if (uID == googleAuth.userID) {
      var messageElement = $("<li class='me'>");
    }
    else {
      var messageElement = $("<li>");
    };
    messageElement.addClass("userID-" + uID);
    messageElement.attr('id', "messageID" + mID);
    var nameElement = $("<strong class='example-chat-username'></strong>")
    nameElement.text(username);
    messageElement.text(message).prepend(nameElement);

    // inserting translations
    var translationHTML = generateTranslationElements(data.translations)
    messageElement.append(translationHTML);
    //put the message on the page
    messageList.append(messageElement);
    //SCROLL TO BOTTOM OF MESSAGE LIST
    messageList[0].scrollTop = messageList[0].scrollHeight;
  });

  // ADD NEW MESSAGE TRANSLATIONS
  // this most likely is only going to occur on a translation update
  // loading of new messages should be in child added
  messagesRef.limitToLast(10).on('child_changed', function(snapshot) {
    //$('.notes').append('<p>received update</p>');
    var data = snapshot.val();
    var mID = snapshot.key();
    //find the particular message

    messageElement = $('#messageID'+mID);
    // inserting translations
    if (data.translations && messageElement) {
      var translationHTML = generateTranslationElements(data.translations)
      //messageElement.children('.translations').remove();
      //translationHTML.hide();
      messageElement.children('.translations').replaceWith(translationHTML);
      messageElement.children('.translations').fadeIn(400);
    //SCROLL TO BOTTOM OF MESSAGE LIST
    messageList[0].scrollTop = messageList[0].scrollHeight;
    };
  });
};


  function generateTranslationElements(translations) {
    var elem = $("<p class='translations'>");
    if (translations) {
      keys = Object.keys(translations);
      keys.forEach(function(key) {
        var translatedMessage = translations[key];
        if (translatedMessage) {
          var newElem = $('<p class="translation ' + key +'">' + key + ': ' + translatedMessage + '</p>');
          elem.append(newElem);
          if (isARequestedDisplayLanguage(key)) {
            newElem.show();
          };
        };
      });
    };
    return(elem);
    // end translations
  };

</script>
<script>
//translator integration

var __last_msg = {};
var textInput = $('#textInput');
onload = function ()
{
  console.log('do auth');
  setTimeout(function() { rootRef.onAuth(onAuthCallback); }, 500);
}

// request a new callback function and pass its name and the text to the translator
function handleTranslation(ref, message, fromLang) {
  // TODO: currently we try to translate to all supported languages, this is wasteful
  // but would require a fair bit of re-work to fix.
  supportedLanguageCodes.forEach(function(langCode) {
    //build a new function to be called as the callBack by ms translator
    var opts = { firebaseRef: ref, to: langCode } // this needs to be unique for each call
    Translator.translate(message,
      fromLang,
      langCode,
      updateFBWithTranslation,
      opts);
  });
}

// update the firebase Reference with the translated message
function updateFBWithTranslation(translatedMessage, opts) {
  var ref = opts.firebaseRef;
  var lang = opts.to;
  var keySet = {};
  console.log(translatedMessage, opts);
  keySet[lang] = translatedMessage;
  // ref.update({translations: keySet});
  ref.child('translations').update(keySet);
};
</script>
</body>
</html>