/**
 * `range-datepicker-calendar`
 *
 * @customElement
 * @polymer
 * @demo demo/index.html
 */class RangeDatepickerCalendar extends Polymer.Element{static get is(){return"range-datepicker-calendar"}static get properties(){return{month:String,year:{type:String,notify:!0},_dayNamesOfTheWeek:{type:Array,value:[]},_daysOfMonth:Array,locale:{type:String,value:"en",observer:"_localeChanged"},dateTo:{type:Number,notify:!0},prev:Boolean,next:Boolean,dateFrom:{type:Number,notify:!0},hoveredDate:{type:Number,notify:!0},noRange:{type:Boolean,value:!1},narrow:{type:Boolean,value:!1},_yearsList:{type:Array,value:[]},enableYearChange:{type:Boolean,value:!1,observer:"_enableYearChangeChanged"},min:Number,max:Number,disabledDays:Array}}_localeChanged(){if(moment.localeData(this.locale)){const dayNamesOfTheWeek=moment.localeData(this.locale).weekdaysMin(),firstDayOfWeek=moment.localeData(this.locale).firstDayOfWeek(),tmp=dayNamesOfTheWeek.slice().splice(0,firstDayOfWeek),newDayNamesOfTheWeek=dayNamesOfTheWeek.slice().splice(firstDayOfWeek,dayNamesOfTheWeek.length).concat(tmp);this.set("_dayNamesOfTheWeek",newDayNamesOfTheWeek)}}static get observers(){return["_yearAndMonthChanged(year, month)"]}_yearAndMonthChanged(year,month){if(year&&month){const startDate=moment([year,month-1]).locale(this.locale),endDate=moment(startDate).locale(this.locale).endOf("month"),rows=[];let columns=[];const lastDayOfWeek=6;while(startDate.format("DD/MM/YYYY")!==endDate.format("DD/MM/YYYY")){const dayNumber=startDate.weekday();columns.push({hover:!1,date:parseInt(startDate.format("X"),10),title:parseInt(startDate.format("D"),10)});if(dayNumber===lastDayOfWeek){for(let i=columns.length;i<lastDayOfWeek+1;i+=1){columns.unshift(0)}rows.push(columns.slice());columns=[]}startDate.add(1,"day");if(startDate.format("DD/MM/YYYY")===endDate.format("DD/MM/YYYY")){columns.push({hover:!1,date:parseInt(startDate.format("X"),10),title:parseInt(startDate.format("D"),10)});for(let i=columns.length;i<=lastDayOfWeek;i+=1){columns.push(0)}rows.push(columns.slice());columns=[]}}this.set("_daysOfMonth",rows)}}_computeCurrentMonthName(month,year){return moment(`${month}/${year}`,"MM/YYYY").locale(this.locale).format("MMMM")}_tdIsEnabled(day){if(day){return"enabled"}return""}_handleDateSelected({detail}){const{date}=detail;if(!this.noRange){if(this.dateFrom&&this.dateTo){this.dateFrom=date;this.dateTo=null;this.hoveredDate=void 0}else if(!this.dateFrom||this.dateFrom&&date<this.dateFrom){this.dateFrom=date}else if(!this.dateTo||this.dateTo&&date>this.dateTo){this.dateTo=date}}else{this.dateFrom=date}}_handleDateHovered(event){if(!this.noRange){this.hoveredDate=event.detail.date}}_handleNextMonth(){const tbody=this.shadowRoot.querySelector(".tbody"),monthName=this.shadowRoot.querySelector(".monthName > div");tbody.classList.add("withTransition");tbody.classList.add("moveToLeft");monthName.classList.add("withTransition");monthName.classList.add("moveToLeft");this.month=moment(this.month,"MM").locale(this.locale).add(1,"month").format("MM");if("01"===this.month){this.year=moment(this.year,"YYYY").locale(this.locale).add(1,"year").format("YYYY")}this.dispatchEvent(new CustomEvent("next-month"));setTimeout(()=>{tbody.classList.remove("withTransition");tbody.classList.add("moveToRight");tbody.classList.remove("moveToLeft");monthName.classList.remove("withTransition");monthName.classList.add("moveToRight");monthName.classList.remove("moveToLeft");setTimeout(()=>{tbody.classList.add("withTransition");tbody.classList.remove("moveToRight");monthName.classList.add("withTransition");monthName.classList.remove("moveToRight");setTimeout(()=>{tbody.classList.remove("withTransition");monthName.classList.remove("withTransition")},100)},100)},100)}_handlePrevMonth(){const tbody=this.shadowRoot.querySelector(".tbody"),monthName=this.shadowRoot.querySelector(".monthName > div");tbody.classList.add("withTransition");tbody.classList.add("moveToRight");monthName.classList.add("withTransition");monthName.classList.add("moveToRight");this.month=moment(this.month,"MM").locale(this.locale).subtract(1,"month").format("MM");if("12"===this.month){this.year=moment(this.year,"YYYY").locale(this.locale).subtract(1,"year").format("YYYY")}this.dispatchEvent(new CustomEvent("prev-month"));setTimeout(()=>{tbody.classList.remove("withTransition");tbody.classList.add("moveToLeft");tbody.classList.remove("moveToRight");monthName.classList.remove("withTransition");monthName.classList.add("moveToLeft");monthName.classList.remove("moveToRight");setTimeout(()=>{tbody.classList.add("withTransition");tbody.classList.remove("moveToLeft");monthName.classList.add("withTransition");monthName.classList.remove("moveToLeft");setTimeout(()=>{monthName.classList.remove("withTransition");monthName.classList.remove("withTransition")},100)},100)},100)}_ifNarrow(pos,narrow){if(pos||narrow){return!0}return!1}ready(){super.ready();const yearsList=[];for(let i=1970;2100>=i;i+=1){yearsList.push(i)}this.set("_yearsList",yearsList)}_enableYearChangeChanged(enableYearChange){this.narrow=enableYearChange}}window.customElements.define(RangeDatepickerCalendar.is,RangeDatepickerCalendar);