Change default status by tracker (Redmine view customize plugin)

gistfile1.js

// Path pattern: /issues/new
// Type        : JavaScript

$(function() {
  var trackerChanged = false;

  $(document).on('change', '#issue_tracker_id', function() {
    trackerChanged = true;
  });

  var _replaceIssueFormWith = replaceIssueFormWith;
  replaceIssueFormWith = function(html){

    _replaceIssueFormWith(html);

    if (trackerChanged) {
      setDefalutStatus();
    }

    trackerChanged = false;
  };

  var setDefalutStatus = function() {

    var statusId = $('#issue_status_id').val();

    $('#issue_status_id option').removeAttr("selected");

    // tracker_id -> default status
    switch($('#issue_tracker_id').val()) {
      case "1":
      case "2":
        statusId = "2";
        break;

      case "3":
        statusId = "1";
        break;
    }

    $('#issue_status_id option[value="' + statusId + '"]').attr("selected", "selected");
  }

  setDefalutStatus();
});