Meteor And Helper

meteorhelper.js

  ////////// Helpers for in-place editing //////////
  
  // Returns an event_map key for attaching "ok/cancel" events to
  // a text input (given by selector)
  var okcancel_events = function (selector) {
    return 'keyup '+selector+', keydown '+selector+', focusout '+selector;
  };
  
  // Creates an event handler for interpreting "escape", "return", and "blur"
  // on a text field and calling "ok" or "cancel" callbacks.
  var make_okcancel_handler = function (options) {
    var ok = options.ok || function () {};
    var cancel = options.cancel || function () {};
  
    return function (evt) {
      if (evt.type === "keydown" && evt.which === 27) {
        // escape = cancel
        cancel.call(this, evt);
      } else if (evt.type === "keyup" && evt.which === 13) {
        // blur/return/enter = ok/submit if non-empty
        var value = String(evt.target.value || "");
        if (value)
          ok.call(this, value, evt);
        else
          cancel.call(this, evt);
      }
    };
  };