(function()()

in lib/ace/keyboard/vim.js [755:870]

• 54 lines of code
• 23 McCabe index (conditional complexity)

(function() {
  function dialogDiv(cm, template, bottom) {
    var wrap = cm.ace.container;
    var dialog;
    dialog = wrap.appendChild(document.createElement("div"));
    if (bottom)
      dialog.className = "ace_dialog ace_dialog-bottom";
    else
      dialog.className = "ace_dialog ace_dialog-top";

    if (typeof template == "string") {
      dialog.innerHTML = template;
    } else { // Assuming it's a detached DOM element.
      dialog.appendChild(template);
    }
    return dialog;
  }

  function closeNotification(cm, newVal) {
    if (cm.state.currentNotificationClose)
      cm.state.currentNotificationClose();
    cm.state.currentNotificationClose = newVal;
  }

  CodeMirror.defineExtension("openDialog", function(template, callback, options) {
    if (this.virtualSelectionMode()) return;
    if (!options) options = {};

    closeNotification(this, null);

    var dialog = dialogDiv(this, template, options.bottom);
    var closed = false, me = this;
    this.state.dialog = dialog;
    function close(newVal) {
      if (typeof newVal == 'string') {
        inp.value = newVal;
      } else {
        if (closed) return;
        
        if (newVal && newVal.type == "blur") {
          if (document.activeElement === inp)
            return;
        }
        
        me.state.dialog = null;
        closed = true;
        dialog.parentNode.removeChild(dialog);
        me.focus();

        if (options.onClose) options.onClose(dialog);
      }
    }

    var inp = dialog.getElementsByTagName("input")[0], button;
    if (inp) {
      if (options.value) {
        inp.value = options.value;
        if (options.selectValueOnOpen !== false) inp.select();
      }

      if (options.onInput)
        CodeMirror.on(inp, "input", function(e) { options.onInput(e, inp.value, close);});
      if (options.onKeyUp)
        CodeMirror.on(inp, "keyup", function(e) {options.onKeyUp(e, inp.value, close);});

      CodeMirror.on(inp, "keydown", function(e) {
        if (options && options.onKeyDown && options.onKeyDown(e, inp.value, close)) { return; }
        if (e.keyCode == 13) callback(inp.value);
        if (e.keyCode == 27 || (options.closeOnEnter !== false && e.keyCode == 13)) {
          inp.blur();
          CodeMirror.e_stop(e);
          close();
        }
      });

      if (options.closeOnBlur !== false) CodeMirror.on(inp, "blur", close);

      inp.focus();
    } else if (button = dialog.getElementsByTagName("button")[0]) {
      CodeMirror.on(button, "click", function() {
        close();
        me.focus();
      });

      if (options.closeOnBlur !== false) CodeMirror.on(button, "blur", close);

      button.focus();
    }
    return close;
  });

  CodeMirror.defineExtension("openNotification", function(template, options) {
    if (this.virtualSelectionMode()) return;
    closeNotification(this, close);
    var dialog = dialogDiv(this, template, options && options.bottom);
    var closed = false, doneTimer;
    var duration = options && typeof options.duration !== "undefined" ? options.duration : 5000;

    function close() {
      if (closed) return;
      closed = true;
      clearTimeout(doneTimer);
      dialog.parentNode.removeChild(dialog);
    }

    CodeMirror.on(dialog, 'click', function(e) {
      CodeMirror.e_preventDefault(e);
      close();
    });

    if (duration)
      doneTimer = setTimeout(close, duration);

    return close;
  });
})();