__event_handler.js 2.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100
  1. /*
  2. * Core js fw functions
  3. * Do not edit this file
  4. */
  5. /**
  6. * Available Actions List:
  7. * - AppsPreLoad
  8. * - AppCreated
  9. * - ModalLoaded
  10. * - ModalClosed
  11. * - ModalLoadFailed
  12. * - DatatableCreated
  13. * - DatatableDataLoaded
  14. * - DatatableDataLoadingFailed
  15. * - SelectFieldValueChanged
  16. * - SelectFieldDataLoaded
  17. * - CategoryMenuContentDataLoaded
  18. */
  19. /*
  20. * Call
  21. */
  22. var mgEventCallback = {
  23. objectId: null,
  24. eventType: null,
  25. callbackFunction :null,
  26. order: 1000,
  27. generateEvent: function(id, eventType, callbackFunction, order) {
  28. if ((id === null || typeof id === 'string') && typeof eventType === 'string'
  29. && typeof callbackFunction === 'function') {
  30. this.objectId = id;
  31. this.eventType = eventType;
  32. this.callbackFunction = callbackFunction;
  33. this.order = (!order || typeof order !== 'number') ? 1000 : order;
  34. return this;
  35. } else {
  36. return null;
  37. }
  38. },
  39. runEventCallback: function(objectId, params) {
  40. return this.callbackFunction(objectId, params);
  41. }
  42. };
  43. /*
  44. * Events Handler
  45. * collects and run all events callbacks in the app
  46. */
  47. var mgEventHandler = {
  48. callbacks: {},
  49. on: function(eventType, id, callbackFunction, order) {
  50. var tmpCall = mgEventCallback.generateEvent(id, eventType, callbackFunction, order);
  51. var tempId = Object.keys(this.callbacks).length;
  52. this.callbacks['call_' + tempId] = Object.assign({}, tmpCall);
  53. },
  54. runCallback: async function(eventType, id, callbackParams) {
  55. var callbackList = [];
  56. var self = this;
  57. for (var key in this.callbacks) {
  58. if (!this.callbacks.hasOwnProperty(key)) {
  59. continue;
  60. }
  61. var tmpCallback = Object.assign({}, this.callbacks[key]);
  62. if (tmpCallback.eventType !== eventType || (tmpCallback.objectId !== null && tmpCallback.objectId !== id)){
  63. continue;
  64. } else if(tmpCallback.objectId !== null && tmpCallback.objectId === id) {
  65. callbackList.push(tmpCallback);
  66. } else {
  67. callbackList.push(tmpCallback);
  68. }
  69. }
  70. callbackList.sort(function(a, b){return a.order - b.order});
  71. for (var key in callbackList) {
  72. if (!callbackList.hasOwnProperty(key)) {
  73. continue;
  74. }
  75. await self.getPromise(callbackList[key], id, callbackParams).then(function(){
  76. });
  77. }
  78. },
  79. getPromise: function(calbackObj, id, callbackParams){
  80. return new Promise(function(resolve, reject) {
  81. var ret = calbackObj.runEventCallback(id, callbackParams);
  82. if (ret || !ret) {
  83. resolve();
  84. }
  85. });
  86. }
  87. };