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- import{VantComponent}from'../common/component';import{isDef}from'../common/utils';import{pickerProps}from'../picker/shared';const currentYear=new Date().getFullYear();function isValidDate(date){return isDef(date)&&!isNaN(new Date(date).getTime())}function range(num,min,max){return Math.min(Math.max(num,min),max)}function padZero(val){return`00${val}`.slice(-2)}function times(n,iteratee){let index=-1;const result=Array(n<0?0:n);while(++index<n){result[index]=iteratee(index)}return result}function getTrueValue(formattedValue){if(!formattedValue)return;while(isNaN(parseInt(formattedValue,10))){formattedValue=formattedValue.slice(1)}return parseInt(formattedValue,10)}function getMonthEndDay(year,month){return 32-new Date(year,month-1,32).getDate()}const defaultFormatter=(_,value)=>value;VantComponent({classes:['active-class','toolbar-class','column-class'],props:Object.assign(Object.assign({},pickerProps),{value:null,filter:null,type:{type:String,value:'datetime'},showToolbar:{type:Boolean,value:true},formatter:{type:null,value:defaultFormatter},minDate:{type:Number,value:new Date(currentYear-10,0,1).getTime()},maxDate:{type:Number,value:new Date(currentYear+10,11,31).getTime()},minHour:{type:Number,value:0},maxHour:{type:Number,value:23},minMinute:{type:Number,value:0},maxMinute:{type:Number,value:59}}),data:{innerValue:Date.now(),columns:[]},watch:{value:'updateValue',type:'updateValue',minDate:'updateValue',maxDate:'updateValue',minHour:'updateValue',maxHour:'updateValue',minMinute:'updateValue',maxMinute:'updateValue'},methods:{updateValue(){const{data}=this;const val=this.correctValue(this.data.value);const isEqual=val===data.innerValue;if(!isEqual){this.updateColumnValue(val).then(()=>{this.$emit('input',val)})}else{this.updateColumns()}},getPicker(){if(this.picker==null){this.picker=this.selectComponent('.van-datetime-picker');const{picker}=this;const{setColumnValues}=picker;picker.setColumnValues=(...args)=>setColumnValues.apply(picker,[...args,false])}return this.picker},updateColumns(){const{formatter=defaultFormatter}=this.data;const results=this.getOriginColumns().map(column=>({values:column.values.map(value=>formatter(column.type,value))}));return this.set({columns:results})},getOriginColumns(){const{filter}=this.data;const results=this.getRanges().map(({type,range})=>{let values=times(range[1]-range[0]+1,index=>{let value=range[0]+index;value=type==='year'?`${value}`:padZero(value);return value});if(filter){values=filter(type,values)}return{type,values}});return results},getRanges(){const{data}=this;if(data.type==='time'){return[{type:'hour',range:[data.minHour,data.maxHour]},{type:'minute',range:[data.minMinute,data.maxMinute]}]}const{maxYear,maxDate,maxMonth,maxHour,maxMinute}=this.getBoundary('max',data.innerValue);const{minYear,minDate,minMonth,minHour,minMinute}=this.getBoundary('min',data.innerValue);const result=[{type:'year',range:[minYear,maxYear]},{type:'month',range:[minMonth,maxMonth]},{type:'day',range:[minDate,maxDate]},{type:'hour',range:[minHour,maxHour]},{type:'minute',range:[minMinute,maxMinute]}];if(data.type==='date')result.splice(3,2);if(data.type==='year-month')result.splice(2,3);return result},correctValue(value){const{data}=this;const isDateType=data.type!=='time';if(isDateType&&!isValidDate(value)){value=data.minDate}else if(!isDateType&&!value){const{minHour}=data;value=`${padZero(minHour)}:00`}if(!isDateType){let[hour,minute]=value.split(':');hour=padZero(range(hour,data.minHour,data.maxHour));minute=padZero(range(minute,data.minMinute,data.maxMinute));return`${hour}:${minute}`}value=Math.max(value,data.minDate);value=Math.min(value,data.maxDate);return value},getBoundary(type,innerValue){const value=new Date(innerValue);const boundary=new Date(this.data[`${type}Date`]);const year=boundary.getFullYear();let month=1;let date=1;let hour=0;let minute=0;if(type==='max'){month=12;date=getMonthEndDay(value.getFullYear(),value.getMonth()+1);hour=23;minute=59}if(value.getFullYear()===year){month=boundary.getMonth()+1;if(value.getMonth()+1===month){date=boundary.getDate();if(value.getDate()===date){hour=boundary.getHours();if(value.getHours()===hour){minute=boundary.getMinutes()}}}}return{[`${type}Year`]:year,[`${type}Month`]:month,[`${type}Date`]:date,[`${type}Hour`]:hour,[`${type}Minute`]:minute}},onCancel(){this.$emit('cancel')},onConfirm(){this.$emit('confirm',this.data.innerValue)},onChange(){const{data}=this;let value;const picker=this.getPicker();if(data.type==='time'){const indexes=picker.getIndexes();value=`${+data.columns[0].values[indexes[0]]}:${+data.columns[1].values[indexes[1]]}`}else{const values=picker.getValues();const year=getTrueValue(values[0]);const month=getTrueValue(values[1]);const maxDate=getMonthEndDay(year,month);let date=getTrueValue(values[2]);if(data.type==='year-month'){date=1}date=date>maxDate?maxDate:date;let hour=0;let minute=0;if(data.type==='datetime'){hour=getTrueValue(values[3]);minute=getTrueValue(values[4])}value=new Date(year,month-1,date,hour,minute)}value=this.correctValue(value);this.updateColumnValue(value).then(()=>{this.$emit('input',value);this.$emit('change',picker)})},updateColumnValue(value){let values=[];const{type,formatter=defaultFormatter}=this.data;const picker=this.getPicker();if(type==='time'){const pair=value.split(':');values=[formatter('hour',pair[0]),formatter('minute',pair[1])]}else{const date=new Date(value);values=[formatter('year',`${date.getFullYear()}`),formatter('month',padZero(date.getMonth()+1))];if(type==='date'){values.push(formatter('day',padZero(date.getDate())))}if(type==='datetime'){values.push(formatter('day',padZero(date.getDate())),formatter('hour',padZero(date.getHours())),formatter('minute',padZero(date.getMinutes())))}}return this.set({innerValue:value}).then(()=>this.updateColumns()).then(()=>picker.setValues(values))}},created(){const innerValue=this.correctValue(this.data.value);this.updateColumnValue(innerValue).then(()=>{this.$emit('input',innerValue)})}});
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