player/js/utils/expressions/FootageInterface.js

/* global */
/* exported FootageInterface */

var FootageInterface = (function () {
  var outlineInterfaceFactory = (function (elem) {
    var currentPropertyName = '';
    var currentProperty = elem.getFootageData();
    function init() {
      currentPropertyName = '';
      currentProperty = elem.getFootageData();
      return searchProperty;
    }
    function searchProperty(value) {
      if (currentProperty[value]) {
        currentPropertyName = value;
        currentProperty = currentProperty[value];
        if (typeof currentProperty === 'object') {
          return searchProperty;
        }
        return currentProperty;
      }
      var propertyNameIndex = value.indexOf(currentPropertyName);
      if (propertyNameIndex !== -1) {
        var index = parseInt(value.substr(propertyNameIndex + currentPropertyName.length), 10);
        currentProperty = currentProperty[index];
        if (typeof currentProperty === 'object') {
          return searchProperty;
        }
        return currentProperty;
      }
      return '';
    }
    return init;
  });

  var dataInterfaceFactory = function (elem) {
    function interfaceFunction(value) {
      if (value === 'Outline') {
        return interfaceFunction.outlineInterface();
      }
      return null;
    }

    interfaceFunction._name = 'Outline';
    interfaceFunction.outlineInterface = outlineInterfaceFactory(elem);
    return interfaceFunction;
  };

  return function (elem) {
    function _interfaceFunction(value) {
      if (value === 'Data') {
        return _interfaceFunction.dataInterface;
      }
      return null;
    }

    _interfaceFunction._name = 'Data';
    _interfaceFunction.dataInterface = dataInterfaceFactory(elem);
    return _interfaceFunction;
  };
}());