weixin/miniprogram_npm/lin-ui/calendar/index.js

import eventBus from"../core/utils/event-bus.js";import validator from"../behaviors/validator";import rules from"../behaviors/rules";import*as config from"./config";import formatFlags from"./dete";import{getDayByOffset,getDate,compareDay,calcDateNum,copyDates,getTime,formatMonthTitle,compareMonth,getMonths}from"./util";Component({externalClasses:["l-class"],behaviors:["wx://form-field",validator,rules],properties:{show:{type:Boolean,value:!1,observer(t){t&&(this.initRect(),this.scrollIntoView())}},type:{type:String,value:config.TYPE_SINGLE,options:[config.TYPE_SINGLE,config.TYPE_MULTIPLE,config.TYPE_RANGE],observer(){this.setData({currentDate:this.initCurrentDate()})}},color:{type:String,value:""},defaultDate:{optionalTypes:[String,Number,Date,Array],value:"",observer(){this.setData({currentDate:this.initCurrentDate()})}},format:{type:String,value:"timestamp"},formatter:{type:Function,optionalTypes:[null],value:null},minDate:{type:String,optionalTypes:[null,Number],value:Date.now()},maxDate:{type:String,optionalTypes:[null,Number],value:new Date((new Date).getFullYear(),(new Date).getMonth()+6,(new Date).getDate()).getTime()},minSelect:{type:Number,optionalTypes:[null],value:null},maxSelect:{type:Number,optionalTypes:[null],value:null},allowSameDay:Boolean,showConfirm:{type:Boolean,value:!0},confirmText:{type:String,value:"确认"},maxLimitMessage:{type:String},minLimitMessage:{type:String},showTitle:{type:Boolean,value:!0},showSubtitle:{type:Boolean,value:!0},title:{type:String,value:"日期选择"}},lifetimes:{attached(){this.setData({currentDate:this.initCurrentDate()})},ready(){this.data.show&&(this.initRect(),this.scrollIntoView())}},data:{currentDate:null,types:config,subTitle:"",scrollIntoViewIndex:""},methods:{clickDay(t){const{type:e,currentDate:a,maxLimitMessage:i,maxSelect:r,allowSameDay:n}=this.data,{date:s}=t.detail;if(e===config.TYPE_SINGLE&&(this.setData({currentDate:getTime(s)}),this.triggerEvent("linclickday",copyDates(s)),this.triggerEvent("linselect",copyDates(s))),e===config.TYPE_MULTIPLE){let t=null;if(a.some((e,a)=>{const i=0===compareDay(e,s);return i&&(t=a),i}))a.splice(t,1),this.setData({currentDate:getTime(a)}),this.triggerEvent("linunselect",copyDates(a));else{if(r&&a.length>=r)return wx.lin.showToast({title:i||`选择天数不能超过 ${r} 天`}),void this.triggerEvent("linclickday",copyDates(s));this.setData({currentDate:getTime([...a,s])}),this.triggerEvent("linselect",copyDates([...a,s]))}this.triggerEvent("linclickday",copyDates(s))}if(e===config.TYPE_RANGE){const[t,e]=a;if(t&&!e){const e=compareDay(s,t);1===e?this.checkSelectRange([t,s])&&(this.setData({currentDate:getTime([t,s])}),this.triggerEvent("linselect",copyDates([t,s]))):-1===e?this.setData({currentDate:getTime([s,null])}):n&&this.setData({currentDate:getTime([s,s])})}else this.setData({currentDate:getTime([s,null])})}},checkSelectRange(t){const{maxSelect:e,maxLimitMessage:a,minSelect:i,minLimitMessage:r}=this.data;return e&&calcDateNum(t)>e?(wx.lin.showToast({title:a||`选择天数不能超过 ${e} 天`}),!1):!(i&&calcDateNum(t)<i)||(wx.lin.showToast({title:r||`选择天数不能少于 ${i} 天`}),!1)},initCurrentDate(){const{type:t,minDate:e,defaultDate:a,maxDate:i}=this.data,r=Array.isArray(a);if(t===config.TYPE_SINGLE)return a?r||-1===compareDay(a,e)?e:1===compareDay(a,i)?i:a:e;if(t===config.TYPE_MULTIPLE)return a?r?a.filter(t=>1===compareDay(t,e)&&-1===compareDay(t,i)):-1===compareDay(a,e)?[e]:1===compareDay(a,i)?[i]:[e]:[];if(t===config.TYPE_RANGE){if(r){let[t=e,r]=a;return-1!==compareDay(t,e)&&-1===compareDay(t,i)||(t=e),r||(r=getDayByOffset(getDate(t),1).getTime()),1!==compareDay(r,i)&&-1!==compareDay(r,e)||(r=getDayByOffset(getDate(t),1).getTime()),[t,r]}return[e,getDayByOffset(getDate(e),1).getTime()]}},initRect(){null!==!this.contentObserver&&void 0!==this.contentObserver&&this.contentObserver.disconnect();const t=this.createIntersectionObserver({thresholds:[0,.1,.9,1],observeAll:!0});this.contentObserver=t,t.relativeTo(".calendar-body-wrap"),t.observe(".month",t=>{t.boundingClientRect.top<=t.relativeRect.top&&this.setData({subTitle:formatMonthTitle(t.dataset.date)})})},scrollIntoView(){setTimeout(()=>{const{currentDate:t,type:e,show:a,minDate:i,maxDate:r}=this.data,n="single"===e?t:t[0];if(!n||!a)return;getMonths(i,r).some((t,e)=>0===compareMonth(t,n)&&(this.setData({scrollIntoViewIndex:"month"+e}),!0))},100)},closePicker(){this.setData({show:!1})},onClickConfirm(){const{format:t,type:e,currentDate:a}=this.data;eventBus.emit("lin-form-blur-"+this.id,this.id);let i=null;i="single"===e?"timestamp"!==t?formatFlags.format("yyyy-MM-dd",a):a:a.map(e=>"timestamp"!==t?formatFlags.format("yyyy-MM-dd",e):e),this.triggerEvent("linconfirm",i)},getValues(){return this.data.currentDate},reset(){this.setData({currentDate:null})}}});