__event_handler.js 2.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899
  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. * - DatatableDataLoaded
  13. * - DatatableDataLoadingFailed
  14. * - SelectFieldValueChanged
  15. * - SelectFieldDataLoaded
  16. * - CategoryMenuContentDataLoaded
  17. */
  18. /*
  19. * Call
  20. */
  21. var mgEventCallback = {
  22. objectId: null,
  23. eventType: null,
  24. callbackFunction :null,
  25. order: 1000,
  26. generateEvent: function(id, eventType, callbackFunction, order) {
  27. if ((id === null || typeof id === 'string') && typeof eventType === 'string'
  28. && typeof callbackFunction === 'function') {
  29. this.objectId = id;
  30. this.eventType = eventType;
  31. this.callbackFunction = callbackFunction;
  32. this.order = (!order || typeof order !== 'number') ? 1000 : order;
  33. return this;
  34. } else {
  35. return null;
  36. }
  37. },
  38. runEventCallback: function(objectId, params) {
  39. return this.callbackFunction(objectId, params);
  40. }
  41. };
  42. /*
  43. * Events Handler
  44. * collects and run all events callbacks in the app
  45. */
  46. var mgEventHandler = {
  47. callbacks: {},
  48. on: function(eventType, id, callbackFunction, order) {
  49. var tmpCall = mgEventCallback.generateEvent(id, eventType, callbackFunction, order);
  50. var tempId = Object.keys(this.callbacks).length;
  51. this.callbacks['call_' + tempId] = Object.assign({}, tmpCall);
  52. },
  53. runCallback: async function(eventType, id, callbackParams) {
  54. var callbackList = [];
  55. var self = this;
  56. for (var key in this.callbacks) {
  57. if (!this.callbacks.hasOwnProperty(key)) {
  58. continue;
  59. }
  60. var tmpCallback = Object.assign({}, this.callbacks[key]);
  61. if (tmpCallback.eventType !== eventType || (tmpCallback.objectId !== null && tmpCallback.objectId !== id)){
  62. continue;
  63. } else if(tmpCallback.objectId !== null && tmpCallback.objectId === id) {
  64. callbackList.push(tmpCallback);
  65. } else {
  66. callbackList.push(tmpCallback);
  67. }
  68. }
  69. callbackList.sort(function(a, b){return a.order - b.order});
  70. for (var key in callbackList) {
  71. if (!callbackList.hasOwnProperty(key)) {
  72. continue;
  73. }
  74. await self.getPromise(callbackList[key], id, callbackParams).then(function(){
  75. });
  76. }
  77. },
  78. getPromise: function(calbackObj, id, callbackParams){
  79. return new Promise(function(resolve, reject) {
  80. var ret = calbackObj.runEventCallback(id, callbackParams);
  81. if (ret || !ret) {
  82. resolve();
  83. }
  84. });
  85. }
  86. };