Function initFilters

tableload.js:45–169

()

  }

  function initFilters() {
    var subjects = {}, coverage = {};
    var minYear, maxYear;
    var minDate = new Date(), maxDate = new Date(0);
    var i;
    var myOption;

    data.forEach(function(d) {
      d.subject.split(",").forEach(function(item) {
        subjects[item.trim()] = true;
      });

      d.coverage.split(",").forEach(function(item) {
        coverage[item.trim()] = true;
      });

      if (minDate > d.date) {minDate = d.date;}
      if (maxDate < d.date) {maxDate = d.date;}
    })
    minYear = minDate.getUTCFullYear();
    maxYear = maxDate.getUTCFullYear();
    subjects = ["all"].concat(Object.keys(subjects).sort());
    coverage = ["all"].concat(Object.keys(coverage).sort());

    fromPicker = new Pikaday({
      field: fromFilter,
      position: 'top left',
      firstDay: 1,
      minDate: minDate,
      maxDate: maxDate,
      yearRange: [minYear, maxYear]
    });

    toPicker = new Pikaday({
      field: toFilter,
      position: 'top left',
      firstDay: 1,
      minDate: minDate,
      maxDate: maxDate,
      yearRange: [minYear, maxYear]
    });

    while (subjectFilter.firstChild) {
      subjectFilter.remove(subjectFilter.firstChild);
    }
    while (coverageFilter.firstChild) {
      coverageFilter.remove(coverageFilter.firstChild);
    }
    subjects.forEach(function(d, i) {
      myOption = document.createElement("option");
      myOption.value = d;
      myOption.innerHTML = d;
      subjectFilter.appendChild(myOption);
    })

    coverage.forEach(function(d, i) {
      myOption = document.createElement("option");
      myOption.value = d;