cal2.js

const Cal2 = () => {
  let _yearShown = null;
  const _specialDays = {};
  let _scrollToMonth = -1;
  const _page = $("#pageCal2");
  const _calendarDiv = _page.find(".calendar");
  const _initialScrollDone = false;
  let _timeoutTime = null;
  let _currentZoom = null;

  function preparePage() {
    attachHandlers();
    zoomTo("M");
  }

  function attachHandlers() {
    _calendarDiv.on("click", ".dayCell", (ev) => {
      const cell = $(ev.target).closest(".dayCell");
      const gDate = cell.data("gdate");

      const target = new Date(gDate);
      setFocusTime(target);
      refreshDateInfo();
      showInfo();
    });
    _page.on("change", "#cbShowTimes2", () => {
      _calendarDiv.toggleClass("showTimes", !!_page.find("#cbShowTimes2").prop("checked"));
      // _calendarDiv.find('#cbShowTimes2').blur();
    });
    _page.on("change", "#cbCal2Darker", () => {
      _page.toggleClass("darkerColors", !!_page.find("#cbCal2Darker").prop("checked"));
      // _calendarDiv.find('#cbCal2Darker').blur();
    });
    _page.on("change", "#cbCal2Print", () => {
      _page.toggleClass("forPrint", !!_page.find("#cbCal2Print").prop("checked"));
    });

    // presets
    // _page.addClass('forPrint');
    // _page.find('#cbCal2Print').prop('checked', true)

    _page.find("#cbShowTimes2").prop("checked", true);
    _calendarDiv.addClass("showTimes");

    _page.find("#btnCal2Y").click(() => {
      zoomTo("Y");
    });
    _page.find("#btnCal2M").click(() => {
      zoomTo("M");
    });
    $(document).on("click", "body[data-pageid=pageCal2] .btnChangeMonth", changeMonth);
  }

  function changeMonth(ev) {
    const delta = +$(ev.target).closest("button").data("delta") || 0;
    let currentYear = _di.bYear;
    if (currentYear < 1) return;
    if (currentYear > 1000) return;

    let currentMonth = _di.bMonth;
    if (currentMonth === 0) {
      // ayyam-i-ha
      if (delta < 0) {
        // moving back in time
        currentMonth = 19;
      } else {
        currentMonth = 18;
      }
    }

    currentMonth += delta;

    if (currentMonth < 1) {
      currentMonth = 19;
      currentYear--;
    } else if (currentMonth > 19) {
      currentMonth = 1;
      currentYear++;
    }

    //    try {
    const gDate = _holyDaysEngine.getGDate(currentYear, currentMonth, _di.bDay, true);

    setFocusTime(gDate);
    refreshDateInfo();

    showInfo();
    //    } catch (error) {
    //      console.log('Error: ' + error);
    //    }
  }

  function zoomTo(level) {
    if (_currentZoom === level) {
      return;
    }

    _page.removeClass("zoomM zoomY zoomV zoomK").addClass(`zoom${level}`);

    const leftOffset = 11;
    const topOffset = 14;

    const monthShells = $(".monthShell");

    switch (level) {
      case "Y":
        // replace month detail with month shell
        //        let currentMonth = _di.bMonth;
        //        monthShell.css({
        //          left: (leftOffset + getCol(currentMonth) * 123) + 'px',
        //          top: (topOffset + getRow(currentMonth) * 99) + 'px',
        //          width: '122px',
        //          height: '98px'
        //        });

        // make shell small
        monthShells.addClass("sizeY");

        monthShells.each((i, el) => {
          const monthNum = +el.id.replace("monthCell", "");
          $(el).css({
            left: `${leftOffset + getCol(monthNum) * 123}px`,
            top: `${topOffset + getRow(monthNum) * 99}px`,
            opacity: 1,
          });
        });

        // show other months around it

        break;

      case "M": {
        const currentMonth = _di.bMonth;
        monthShells.hide();
        $(`#monthCell${currentMonth}`).show();

        // zoom shell to full size
        monthShells.removeClass("sizeY");

        monthShells.css({
          left: `${leftOffset}px`,
          top: `${topOffset}px`,
          opacity: 0,
        });

        monthShells.show();

        // show month detail

        break;
      }
    }

    _currentZoom = level;
  }

  function getCol(month) {
    console.log(month);
    switch (month) {
      case 1:
      case 4:
      case 8:
      case 14:
        return 0;
      case 2:
      case 5:
      case 9:
      case 15:
        return 1;
      case 3:
      case 6:
      case 10:
      case 16:
        return 2;
      case 7:
      case 11:
      case 17:
        return 3;
      case 12:
      case 18:
        return 4;
      case 13:
      case 19:
        return 5;
    }
    return null;
  }

  function getRow(month) {
    if (month <= 3) return 0;
    if (month <= 7) return 1;
    if (month <= 13) return 2;
    return 3;
  }

  //  function zoomTo(level) {
  //    // default is month
  //    // also have: zoomY, zoomV, zoomK
  //    _calendarDiv.removeClass('zoomM zoomY zoomV zoomK').addClass('zoom' + level);
  //    let wholeYear = _calendarDiv;
  //
  //    switch (level) {
  //      case 'Y':
  //        let otherMonths = _calendarDiv.find('.month:not(:visible)');
  //        otherMonths.css('opacity', 0);
  //        otherMonths.show();
  //        TweenMax.to(wholeYear, .2,
  //        {
  //          scaleX: 0.165,
  //          scaleY: 0.165,
  //          width: 440,
  //          height: 360
  //        });
  //        TweenMax.to(otherMonths, .2, { opacity: 1 });
  //        break;
  //      case 'M':
  //        highlightTargetDay(_di);
  //        TweenMax.to(wholeYear, 2,
  //        {
  //          scale: 1,
  //          width: 773,
  //          height: 427
  //        });
  //        break;
  //    }
  //  }

  function showCalendar(newDi) {
    _di = newDi;
    const newYear = newDi.bYear;
    if (newYear !== _yearShown) {
      buildCalendar();
    }
    highlightTargetDay(newDi);
  }

  function highlightTargetDay(di) {
    _calendarDiv.find(".selected").removeClass("selected");

    const sel = "#cal2_igd{bMonth}_{bDay}".filledWith(di);

    _calendarDiv.find(sel).addClass("selected");

    setTimeout(() => {
      scrollToMonth(di.bMonth);
    }, 0);
  }

  function buildCalendar() {
    const bYear = _di.bYear;
    _yearShown = bYear;
    _scrollToMonth = -1;

    const bMonth = _di.bMonth;

    _calendarDiv.html("");

    const newRow = '<div class="monthRow elementNum{0}">';
    const newRowEnd = "</div>";
    const html = [newRow.filledWith(1)];

    for (let m = 1; m <= 19; m++) {
      if (m === 19) {
        // add ayyam-i-ha with Loftiness
        Array.prototype.push.apply(html, buildMonth(bYear, 0));
      }

      const elementNum = getElementNum(m);
      switch (m) {
        case 4:
        case 8:
        case 14:
          html.push(newRowEnd);
          html.push(newRow.filledWith(elementNum));
          break;
      }

      Array.prototype.push.apply(html, buildMonth(bYear, m));
    }

    html.push(newRowEnd);

    for (let i = 1; i <= 19; i++) {
      html.push('<div id="monthCell{0}" class="monthShell elementNum{1}"><div class=monthNum>{0}</div></div>'.filledWith(i, getElementNum(i)));
    }

    _calendarDiv.html(html.join(""));

    showTodayTime();

    scrollToMonth(bMonth);
  }

  function scrollToMonth(bMonth) {
    _scrollToMonth = bMonth;
    const month = _calendarDiv.find("#cal2_m{0}".filledWith(bMonth));
    if (month.length === 0) {
      console.log("no month", bMonth);
      return;
    }
    _calendarDiv.find(".month").hide();
    month.show();
    return;

    //    // do the animate, then directly set it...
    //    // animate doesn't work if not visible, and sometimes even when visible
    //    let monthTop = month.position().top - 50; // move a bit higher
    //    let top;
    //    if (_inTab) {
    //      top = monthTop + _calendarDiv.position().top;
    //      $("html, body").stop().animate({
    //        scrollTop: top + "px"
    //      }, {
    //        always: function () {
    //          $("html, body").stop().scrollTop(top);
    //        }
    //      });
    //    } else {
    //      top = _calendarDiv.scrollTop() + monthTop;
    //      _calendarDiv.stop().animate({
    //        scrollTop: top + "px"
    //      }, {
    //        always: function () {
    //          _calendarDiv.stop().scrollTop(top);
    //        }
    //      });
    //    }
  }

  function buildMonth(bYear, bMonth) {
    const focusMonth = bMonth;
    const newRow = '<div class="dayRow elementNum{0}">';
    const newRowEnd = "</div>";

    const dayCellTemplate = $("#cal2dayCell").html();
    const dayCells = [newRow.filledWith(bMonth === 0 ? 0 : 1)];
    let day1Di;
    const gMonths = [];
    let lastGMonth = "";
    let gYear = 0;

    for (let bDay = 1; bDay <= 19; bDay++) {
      const bDateCode = `${bMonth}.${bDay}`;
      //      try {
      const gDate = _holyDaysEngine.getGDate(bYear, bMonth, bDay, false);
      if (!gDate) {
        break;
      }
      gDate.setHours(12, 0, 0, 0); // set to noon to avoid DST issues
      //      }
      //      catch (e) {
      //        if (bMonth === 0 && e === 'invalid Badi date') {
      //          break;
      //        }
      //        else {
      //          throw e;
      //        }
      //      }
      let dayGroup;
      const di = getDateInfo(gDate);
      if (bDay === 1) {
        day1Di = di;
        dayGroup = bMonth === 0 ? 0 : 1;
      }

      const gMonth = di.frag2MonthLong;
      if (lastGMonth !== gMonth) {
        gMonths.push(gMonth);
        lastGMonth = gMonth;
        gYear = di.frag2Year; // remember last year used
      }

      if (bMonth === 0) {
      } else {
        switch (bDay) {
          case 4:
          case 8:
          case 14:
            dayCells.push(newRowEnd);
            dayGroup++;
            dayCells.push(newRow.filledWith(dayGroup));
            break;
        }
      }

      const startSunset = di.frag1SunTimes.sunset;
      const startSunsetHr = startSunset.getHours() + startSunset.getMinutes() / 60;

      const sunrise = di.frag2SunTimes.sunrise;
      const sunriseHr = sunrise.getHours() + sunrise.getMinutes() / 60;

      //let hourFactor = 88 / 24;
      //let total = hourFactor * 24;
      //let minHeightTopRow = 14; // for font in use

      //let eveSize = Math.max(0, +((24 - startSunsetHr) * hourFactor).toFixed(3));
      //let eveExtra = minHeightTopRow - eveSize;
      //eveSize = Math.max(eveSize, minHeightTopRow);
      //let mornSize = +(sunriseHr * hourFactor - (eveExtra > 0 ? eveExtra : 0)).toFixed(3);
      //let aftSize = total - eveSize - mornSize; //  +((sunsetHr - sunriseHr) * hourFactor).toFixed(3);

      Object.assign(di, {
        classesOuter: ["gd"],
        cellId: `gd${bMonth}_${bDay}`,
        //mornSize: mornSize,
        //aftSize: aftSize,
        //eveSize: eveSize,
      });

      if (di.bMonth === 19) {
        Object.assign(di, {
          sunriseDiv: "<div class=sunrise>{0}</div>".filledWith(getTimeDisplay(sunrise)),
        });
      }

      Object.assign(di, {
        sunsetDesc: "<div class=sunsetEnd>{0}{1}</div>".filledWith(di.sunriseDiv || "", getTimeDisplay(di.frag2SunTimes.sunset)),
      });

      if (bDay === bMonth) {
        di.classesOuter.push("monthNameDay");
      }

      // add holy days
      if (!_specialDays[bYear]) {
        _specialDays[bYear] = _holyDaysEngine.prepareDateInfos(bYear);
      }

      // const holyDayInfo = $ .grep(_specialDays[bYear], (el, i) => el.Type.substring(0, 1) === "H" && el.BDateCode === bDateCode);
      const holyDayInfo = _specialDays[bYear].filter((el) => el.Type.substring(0, 1) === "H" && el.BDateCode === bDateCode);

      if (holyDayInfo.length) {
        di.holyDayAftStar = '<span class="hd{0}"></span>'.filledWith(holyDayInfo[0].Type);
        di.holyDayAftName = '<div class="hdName">{0}</div>'.filledWith(getMessage(holyDayInfo[0].NameEn));
        di.classesOuter.push(`hdDay${holyDayInfo[0].Type}`);
      }
      di.DayOfWeek = getMessage("DayOfWeek");
      di.classesOuter = di.classesOuter.join(" ");

      dayCells.push(dayCellTemplate.filledWith(di));
    }

    dayCells.push(newRowEnd);

    const elementNum = getElementNum(bMonth);
    const monthTitleInfo = {
      bMonthName: day1Di.bMonthNamePri,
      bYear: bYear,
    };

    const monthElement = bMonth === 0 ? "" : "<div class=monthElement>{element}</div>".filledWith(day1Di);
    const bMonthInfo = (bMonth === 0 ? "{bMonthNameSec}" : "{bMonth} &#8230; {bMonthNameSec}").filledWith(day1Di) + monthElement;
    const gMonthInfo = `${gMonths.join(", ")} ${gYear}`;

    const html = [
      '<div class="month elementNum{1}" id=cal2_m{0}>'.filledWith(focusMonth, elementNum),
      "<div class=caption>",
      "<div class=monthNames>{bMonthName}<span class=year> {bYear}</span></div>".filledWith(monthTitleInfo),
      "<div class=gMonthInfo>{0}</div>".filledWith(gMonthInfo),
      "<div class=bMonthInfo>{0}</div>".filledWith(bMonthInfo),
      "<div class=placeName>{0}</div>".filledWith(common.locationName),
      "</div>",
      "<div class=monthDays>",
      "{^0}".filledWith(dayCells.join("")),
      "</div>",
      "</div>",
    ];

    return html;
  }

  function showTodayTime() {
    _calendarDiv.find(".today").removeClass("today");
    _calendarDiv.find(".todayTime").remove();

    const currentTime = new Date();
    const nowDi = getDateInfo(currentTime);

    const dayCell = _calendarDiv.find("#cal2_igd{bMonth}_{bDay}".filledWith(nowDi));
    dayCell.addClass("today");

    const start = dayjs(nowDi.frag1SunTimes.sunset);
    const end = dayjs(nowDi.frag2SunTimes.sunset);
    const now = dayjs(currentTime);

    let pct = (now.diff(start) / end.diff(start)) * 100;

    // don't show too close to the edge... looks better
    if (pct < 1) pct = 1;
    if (pct > 99) pct = 99;

    // ~~ is like Math.floor()
    dayCell.append('<div class=todayTime title="{1} {2}" style="left:{0}%"></div>'.filledWith(~~pct, getMessage("Now"), now.format("HH:mm")));

    clearTimeout(_timeoutTime);
    _timeoutTime = setTimeout(showTodayTime, 15 * 60 * 1000); // 15 minutes
  }

  preparePage();

  return {
    showCalendar: showCalendar,
    resetPageForLanguageChange: () => {
      _yearShown = -1;
    },
    di: _di,
    showTodayTime: showTodayTime,
    scrollToMonth: scrollToMonth,
  };
};