code_sample_2.js

'use strict';

exports.initialize = function (app) {
  app.module('Utils', function (Utils, App, Backbone, Marionette, $) {

    Utils.createAndNavigateToProject = function (collection) {
      var model = collection.create({ name: 'Untitled' });
      Backbone.history.navigate('/app/' + model.get('uuid'), true);
    };

    Utils.contentEditablePaste = function (evt) {
      var event = evt.originalEvent || evt;
      // @@@ Not supported in IE
      if (event.clipboardData) {
        evt.preventDefault();
        var text = event.clipboardData.getData('text/plain');
        text = App.renderer.env.filters.escape(text);
        if ($(event.target).data('strip-newlines') === true) {
          text = text.replace(/\n/g, ' ');
        }
        document.execCommand('insertHTML', false, text);
      }
    };

    Utils.getCaretRangePositions = function (el) {
      var start = 0;
      var end = 0;
      var sel;
      if (typeof window.getSelection !== 'undefined') {
        sel = window.getSelection();
        if (sel.rangeCount > 0) {
          var range = window.getSelection().getRangeAt(0);
          var startRange = range.cloneRange();
          var endRange = range.cloneRange();
          startRange.selectNodeContents(el);
          startRange.setEnd(range.startContainer, range.startOffset);
          endRange.selectNodeContents(el);
          endRange.setEnd(range.endContainer, range.endOffset);
          start = startRange.toString().length;
          end = endRange.toString().length;
        }
      }
      return [ start, end ];
    };

    Utils.setCaretRangePositions = function (el, pos) {
      if (typeof el.setSelectionRange !== 'undefined') {
        el.focus();
        el.setSelectionRange(pos[0], pos[1]);
      }
    };

    Utils.selectAllInElement = function (el) {
      var range, sel;
      range = document.createRange();
      sel = window.getSelection();
      range.selectNodeContents(el.get(0));
      sel.removeAllRanges();
      sel.addRange(range);
    };

  });
};