Otaku-Projects / AngularJS-CRUD-PHP

window.onload = function () {

  var input = function (id) {

    return document.getElementById(id);

  };

  var code, stars, endVal, options;

  var demo = new CountUp('myTargetElement', 100);

  var codeVisualizer = document.getElementById('codeVisualizer');

  var errorSection = document.getElementById('errorSection');

  document.getElementById('version').innerHTML = demo.version;

  // HANDLERS

  input('startVal').onchange = updateCodeVisualizer;

  input('endVal').onchange = updateCodeVisualizer;

  input('decimalPlaces').onchange = updateCodeVisualizer;

  input('duration').onchange = updateCodeVisualizer;

  input('separator').onchange = updateCodeVisualizer;

  input('decimal').onchange = updateCodeVisualizer;

  input('prefix').onchange = updateCodeVisualizer;

  input('suffix').onchange = updateCodeVisualizer;

  input('useEasing').onclick = updateCodeVisualizer;

  input('useGrouping').onclick = updateCodeVisualizer;

  input('useOnComplete').onclick = updateCodeVisualizer;

  input('easingFnsDropdown').onchange = updateCodeVisualizer;

  input('numeralsDropdown').onchange = updateCodeVisualizer;

  document.getElementById('swapValues').onclick = function () {

    var oldStartVal = input('startVal').value;

    var oldEndVal = input('endVal').value;

    input('startVal').value = oldEndVal;

    input('endVal').value = oldStartVal;

    updateCodeVisualizer();

  };

  document.getElementById('start').onclick = createCountUp;

  document.getElementById('apply').onclick = createCountUp;

  document.getElementById('pauseResume').onclick = function () {

    code += '<br>demo.pauseResume();';

    codeVisualizer.innerHTML = code;

    demo.pauseResume();

  };

  document.getElementById('reset').onclick = function () {

    code += '<br>demo.reset();';

    codeVisualizer.innerHTML = code;

    demo.reset();

  };

  document.getElementById('update').onclick = function () {

    var updateVal = input('updateVal').value;

    var num = updateVal ? updateVal : 0;

    code += "<br>demo.update(" + num + ");";

    codeVisualizer.innerHTML = code;

    demo.update(num);

  };

  input('updateVal').onchange = function () {

    var updateVal = input('updateVal').value;

    var num = updateVal ? updateVal : 0;

    code += '<br>demo.update(' + num + ');';

    codeVisualizer.innerHTML = code;

  };

  // OPTION VALUES

  var easingFunctions = {

    easeOutExpo: function (t, b, c, d) {

      return c * (-Math.pow(2, -10 * t / d) + 1) * 1024 / 1023 + b;

    },

    outQuintic: function (t, b, c, d) {

      var ts = (t /= d) * t;

      var tc = ts * t;

      return b + c * (tc * ts + -5 * ts * ts + 10 * tc + -10 * ts + 5 * t);

    },

    outCubic: function (t, b, c, d) {

      var ts = (t /= d) * t;

      var tc = ts * t;

      return b + c * (tc + -3 * ts + 3 * t);

    }

  };

  function getEasingFn() {

    var fn = input('easingFnsDropdown').value;

    if (fn === 'easeOutExpo') {

      return null;

    }

    if (typeof easingFunctions[fn] === 'undefined') {

      return undefined;

    }

    return easingFunctions[fn];

  }

  function getEasingFnBody(fn) {

    fn = typeof fn === 'undefined' ? getEasingFn() : fn;

    if (typeof fn === 'undefined') {

      return 'undefined function';

    }

    if (fn !== null) {

      return fn.toString().replace(/^ {8}/gm, '');

    }

    return '';

  }

  function getNumerals() {

    var numeralsCode = input('numeralsDropdown').value;

    // optionally provide alternates for 0-9

    switch (numeralsCode) {

      case 'ea': // Eastern Arabic

        return ['٠', '١', '٢', '٣', '٤', '٥', '٦', '٧', '٨', '٩'];

      case 'fa': // Farsi

        return ['۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹'];

      default:

        return null;

    }

  }

  var stringifyArray = function (arr) { return '[\'' + arr.join('\', \'') + '\']'; };

  // COUNTUP AND CODE VISUALIZER

  function createCountUp() {

    establishOptionsFromInputs();

    demo = new CountUp('myTargetElement', endVal, options);

    if (!demo.error) {

      errorSection.style.display = 'none';

      if (input('useOnComplete').checked) {

        demo.start(methodToCallOnComplete);

      }

      else {

        demo.start();

      }

      updateCodeVisualizer();

    }

    else {

      errorSection.style.display = 'block';

      document.getElementById('error').innerHTML = demo.error;

      console.error(demo.error);

    }

  }

  function methodToCallOnComplete() {

  }

  function establishOptionsFromInputs() {

    endVal = Number(input('endVal').value);

    options = {

      startVal: input('startVal').value,

      decimalPlaces: input('decimalPlaces').value,

      duration: Number(input('duration').value),

      useEasing: input('useEasing').checked,

      useGrouping: input('useGrouping').checked,

      easingFn: typeof getEasingFn() === 'undefined' ? null : getEasingFn(),

      separator: input('separator').value,

      decimal: input('decimal').value,

      prefix: input('prefix').value,

      suffix: input('suffix').value,

      numerals: getNumerals()

    };

    // unset null values so they don't overwrite defaults

    for (var key in options) {

      if (options.hasOwnProperty(key)) {

        if (options[key] === null) {

          delete options[key];

        }

      }

    }

  }

  var repoInfoUrl = 'https://api.github.com/repos/inorganik/CountUp.js';

  var getStars = new XMLHttpRequest();

  getStars.open('GET', repoInfoUrl, true);

  getStars.timeout = 5000;

  getStars.onreadystatechange = function () {

    // 2: received headers,  3: loading, 4: done

    if (getStars.readyState === 4) {

      if (getStars.status === 200) {

        if (getStars.responseText !== 'undefined') {

          if (getStars.responseText.length > 0) {

            var data = JSON.parse(getStars.responseText);

            stars = data.stargazers_count;

            // change input values

            input('endVal').value = stars;

            createCountUp();

          }

        }

      }

    }

  };

  getStars.onerror = function () {

    console.error('error getting stars:', getStars.status);

    stars = getStars.status;

    demo.start();

  };

  getStars.send();

}