Caret/js/ui/statusbar.js

define([
    "editor",
    "command"
  ], function(editor, command) {

    var external = "";
    var element = document.find(".status-text");
    var update = function() {
      var selection = editor.getSelection();
      var displayText = "";
      var cursor = selection.getCursor();
      displayText = (cursor.row + 1) + ":" + (cursor.column + 1);
      if (external) {
        displayText += " - " + external;
      }
      element.innerHTML = displayText;
    };
    editor.on("changeSelection", update);
    
    var toastTimeout = null;
    
    var interface = {
      setMessage: function(msg) {
        external = msg;
        if (toastTimeout !== null) {
          clearTimeout(toastTimeout);
          toastTimeout = null;
        }
        update();
      },
      clearMessage: function() {
        external = "";
        update();
      },
      toast: function(msg, seconds) {
        external = msg;
        update();
        if (toastTimeout !== null) {
          clearTimeout(toastTimeout);
        }
        toastTimeout = setTimeout(function() {
          external = "";
          update();
          toastTimeout = null;
        }, seconds ? seconds * 1000 : 2000)
      }
    }
    
    command.on("status:set", interface.setMessage);
    command.on("status:clear", interface.clearMessage);
    command.on("status:toast", interface.toast);
    
    return interface;

});