tt-mp/lib/multi-picker-view/index.js

一套组件化、可复用、易扩展的头条小程序 UI 组件库

"use strict";var _baseComponent=_interopRequireDefault(require("../helpers/baseComponent")),_classNames=_interopRequireDefault(require("../helpers/classNames")),_shallowEqual=_interopRequireDefault(require("../helpers/shallowEqual")),_props=require("./props"),_utils=require("./utils");function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function ownKeys(t,e){var r,a=Object.keys(t);return Object.getOwnPropertySymbols&&(r=Object.getOwnPropertySymbols(t),e&&(r=r.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable})),a.push.apply(a,r)),a}function _objectSpread(t){for(var e=1;e<arguments.length;e++){var r=null!=arguments[e]?arguments[e]:{};e%2?ownKeys(Object(r),!0).forEach(function(e){_defineProperty(t,e,r[e])}):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(r)):ownKeys(Object(r)).forEach(function(e){Object.defineProperty(t,e,Object.getOwnPropertyDescriptor(r,e))})}return t}function _toConsumableArray(e){return _arrayWithoutHoles(e)||_iterableToArray(e)||_unsupportedIterableToArray(e)||_nonIterableSpread()}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(e,t){if(e){if("string"==typeof e)return _arrayLikeToArray(e,t);var r=Object.prototype.toString.call(e).slice(8,-1);return"Object"===r&&e.constructor&&(r=e.constructor.name),"Map"===r||"Set"===r?Array.from(e):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?_arrayLikeToArray(e,t):void 0}}function _iterableToArray(e){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(e))return Array.from(e)}function _arrayWithoutHoles(e){if(Array.isArray(e))return _arrayLikeToArray(e)}function _arrayLikeToArray(e,t){(null==t||t>e.length)&&(t=e.length);for(var r=0,a=new Array(t);r<t;r++)a[r]=e[r];return a}function _defineProperty(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}(0,_baseComponent.default)({properties:_props.props,data:{inputValue:[],cols:[],fieldNames:_props.defaultFieldNames},observers:_defineProperty({},"value, options",function(e,t){var r=Object.assign({},_props.defaultFieldNames,this.data.defaultFieldNames),a=(0,_utils.getRealCols)(t,r);(0,_shallowEqual.default)(this.data.cols,a)||this.setData({cols:a}),this.setValue(e,!0)}),methods:{updated:function(e,t){this.data.inputValue===e&&!t||this.setData({inputValue:e})},setValue:function(e,t){var r=this.getValue(e).value;this.updated(r,t)},getValue:function(e,t){var r=0<arguments.length&&void 0!==e?e:this.data.inputValue,a=1<arguments.length&&void 0!==t?t:this.data.cols,n=this.data.fieldNames,o=(0,_utils.getRealValues)(r,a,n),i=_toConsumableArray(o),l=(0,_utils.getIndexesFromValues)(o,a,n);return{value:o,displayValue:(0,_utils.getLabelsFromIndexes)(l,a,n.label),selectedIndex:l,selectedValue:i,cols:a}},onChange:function(e,t,r){var a=_toConsumableArray(this.data.inputValue);a[e]=t,r&&this.triggerEvent(r,_objectSpread(_objectSpread({},this.getValue(a)),{},{index:e}))},onBeforeChange:function(e){var t=e.detail.value,r=e.currentTarget.dataset.index;this.onChange(r,t,"beforeChange")},onValueChange:function(e){var t=e.detail.value,r=e.currentTarget.dataset.index;this.onChange(r,t,"valueChange")},onScrollChange:function(e){var t=e.detail.value,r=e.currentTarget.dataset.index;this.onChange(r,t,"scrollChange")}},attached:function(){var e=this.data,t=e.value,r=e.options,a=Object.assign({},_props.defaultFieldNames,this.data.defaultFieldNames),n=(0,_utils.getRealCols)(r,a);this.setData({cols:n,fieldNames:a}),this.setValue(t)}});