"use strict";var _baseComponent=_interopRequireDefault(require("../helpers/baseComponent")),_classNames=_interopRequireDefault(require("../helpers/classNames")),_arrayTreeFilter=_interopRequireDefault(require("../helpers/arrayTreeFilter"));function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function _defineProperty(e,t,a){return t in e?Object.defineProperty(e,t,{value:a,enumerable:!0,configurable:!0,writable:!0}):e[t]=a,e}function _toConsumableArray(e){return _arrayWithoutHoles(e)||_iterableToArray(e)||_nonIterableSpread()}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance")}function _iterableToArray(e){if(Symbol.iterator in Object(e)||"[object Arguments]"===Object.prototype.toString.call(e))return Array.from(e)}function _arrayWithoutHoles(e){if(Array.isArray(e)){for(var t=0,a=new Array(e.length);t<e.length;t++)a[t]=e[t];return a}}var WUX_CASCADER="wux-cascader",defaultFieldNames={label:"label",value:"value",children:"children"};(0,_baseComponent.default)({externalClasses:["wux-scroll-view-class"],properties:{prefixCls:{type:String,value:"wux-cascader"},defaultValue:{type:Array,value:[]},value:{type:Array,value:[]},controlled:{type:Boolean,value:!1},title:{type:String,value:""},options:{type:Array,value:[]},chooseTitle:{type:String,value:"请选择"},visible:{type:Boolean,value:!1},defaultFieldNames:{type:Object,value:defaultFieldNames}},data:{activeOptions:[],activeIndex:0,bodyStyle:"",activeValue:[],showOptions:[],fieldNames:{}},computed:{classes:["prefixCls",function(e){return{wrap:(0,_classNames.default)(e),hd:"".concat(e,"__hd"),title:"".concat(e,"__title"),menus:"".concat(e,"__menus"),menu:"".concat(e,"__menu"),bd:"".concat(e,"__bd"),inner:"".concat(e,"__inner"),scrollView:"".concat(e,"__scroll-view"),option:"".concat(e,"__option"),item:"".concat(e,"__item"),icon:"".concat(e,"__icon"),ft:"".concat(e,"__ft")}}]},observers:{value:function(e){this.data.controlled&&(this.setData({activeValue:e}),this.getCurrentOptions(e))},options:function(){this.getCurrentOptions(this.data.activeValue)}},methods:{getActiveOptions:function(a){var e=this.data.options,i=this.getFieldName("value"),t=this.getFieldName("children");return(0,_arrayTreeFilter.default)(e,function(e,t){return e[i]===a[t]},{childrenKeyName:t})},getShowOptions:function(e){var t=this.data.options,a=this.getFieldName("children"),i=this.getActiveOptions(e).map(function(e){return e[a]}).filter(function(e){return!!e});return[t].concat(_toConsumableArray(i))},getMenus:function(e,t){var a=0<arguments.length&&void 0!==e?e:[],i=1<arguments.length?t:void 0,n=this.data,r=(n.options,n.chooseTitle),o=this.getActiveOptions(a);if(i){var l,s=this.getFieldName("value"),u=this.getFieldName("label");o.push((_defineProperty(l={},s,WUX_CASCADER),_defineProperty(l,u,r),l))}return o},getNextActiveValue:function(e,t){var a=this.data.activeValue;return(a=a.slice(0,t+1))[t]=e,a},updated:function(e,t,a,i){var n=this.getFieldName("value"),r=this.getFieldName("children"),o=e[r]&&0<e[r].length,l=this.getNextActiveValue(e[n],t),s=this.getMenus(l,o),u=s.length-1,c=this.getShowOptions(l),d={activeValue:l,activeOptions:s,activeIndex:u,showOptions:c};(o||l.length===c.length&&(t=Math.max(0,t-1)))&&(d.bodyStyle="transform: translate(".concat(-50*t,"%)"),d.showOptions=c),a&&this.setData(d),"function"==typeof i&&i.call(this,e,s,!o)},getCurrentOptions:function(e){var t=0<arguments.length&&void 0!==e?e:this.data.activeValue,a=Math.max(0,t.length-1),i=this.getActiveOptions(t),n=i[a];if(n)this.updated(n,a,!0);else{var r,o=this.getFieldName("value"),l=this.getFieldName("label");i.push((_defineProperty(r={},o,WUX_CASCADER),_defineProperty(r,l,this.data.chooseTitle),r));var s={showOptions:this.getShowOptions(t),activeOptions:i,activeIndex:i.length-1,bodyStyle:""};this.setData(s)}},onMenuClick:function(e){var t=e.currentTarget.dataset.menuIndex,a="transform: translate(".concat(-50*(1<t?t-1:0),"%)");this.setData({bodyStyle:a,activeIndex:t})},onItemSelect:function(e){var t=e.currentTarget.dataset,a=t.item,i=t.optionIndex;a&&!a.disabled&&this.updated(a,i,!this.data.controlled,this.onChange)},onPopupClose:function(){this.triggerEvent("close")},onChange:function(e,t,a){var i=this,n=0<arguments.length&&void 0!==e?e:{},r=2<arguments.length&&void 0!==a&&a,o=(1<arguments.length&&void 0!==t?t:[]).filter(function(e){return e[i.getFieldName("value")]!==WUX_CASCADER}),l=o.map(function(e){return e[i.getFieldName("value")]});if(!1===n.isLeaf&&!n.children)return this.emitEvent({value:l,options:o,done:!1}),void this.triggerEvent("load",{value:l,options:o});this.emitEvent({value:l,options:o,done:r})},emitEvent:function(e){var t=0<arguments.length&&void 0!==e?e:{};this.triggerEvent("change",t),t.done&&this.onPopupClose()},getFieldName:function(e){return this.data.fieldNames[e]}},attached:function(){var e=this.data,t=e.defaultValue,a=e.value,i=e.controlled?a:t,n=Object.assign({},defaultFieldNames,this.data.defaultFieldNames);this.setData({activeValue:i,fieldNames:n}),this.getCurrentOptions(i)}});
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