/* eslint-disable no-bitwise, max-len, unicorn/prefer-math-trunc, unicorn/prefer-ternary */
/**
 * @file jPicker (Adapted from version 1.1.6)
 *
 * jQuery Plugin for Photoshop style color picker
 *
 * @module jPicker
 * @copyright (c) 2010 Christopher T. Tillman
 * Digital Magic Productions, Inc. ({@link http://www.digitalmagicpro.com/})
 * FREE to use, alter, copy, sell, and especially ENHANCE
 * @license MIT
 *
 * Painstakingly ported from John Dyers' excellent work on his own color picker based on the Prototype framework.
 *
 * John Dyers' website: {@link http://johndyer.name}
 * Color Picker page: {@link http://johndyer.name/photoshop-like-javascript-color-picker/}
 */

/**
* @external Math
*/
/**
* @memberof external:Math
* @param {Float} value
* @param {Float} precision
* @returns {Float}
*/
function toFixedNumeric (value, precision) {
  if (precision === undefined) precision = 0;
  return Math.round(value * (10 ** precision)) / (10 ** precision);
}

/**
 * Whether a value is `null` or `undefined`.
 * @param {any} val
 * @returns {boolean}
 */
const isNullish = (val) => {
  return val === null || val === undefined;
};

/**
* @function module:jPicker.jPicker
* @param {external:jQuery} $ The jQuery object, {@link external:jQuery.fn.$.fn.jPicker}, {@link external:jQuery.fn.$.fn.jPicker.defaults})
* @returns {external:jQuery}
*/
const jPicker = function ($) {
  /**
  * @typedef {PlainObject} module:jPicker.SliderOptions
  * @property {external:jQuery|PlainObject} arrow
  * @property {string} arrow.image Not in use?
  * @property {Float} arrow.width
  * @property {Float} arrow.height
  * @property {PlainObject} map
  * @property {Float} map.width
  * @property {Float} map.height
  */

  /**
  * Encapsulate slider functionality for the ColorMap and ColorBar -
  * could be useful to use a jQuery UI draggable for this with certain extensions.
  * @memberof module:jPicker
  */
  class Slider {
    /**
     * @param {external:jQuery} bar
     * @param {module:jPicker.SliderOptions} options
     */
    constructor (bar, options) {
      const that = this;
      /**
       * Fire events on the supplied `context`
       * @param {module:jPicker.JPickerInit} context
       * @returns {void}
       */
      function fireChangeEvents (context) {
        changeEvents.forEach((changeEvent) => {
          changeEvent.call(that, that, context);
        });
      }

      /**
       * Bind the mousedown to the bar not the arrow for quick snapping to the clicked location.
       * @param {external:jQuery.Event} e
       * @returns {void}
       */
      function mouseDown (e) {
        const off = bar.offset();
        offset = {l: off.left | 0, t: off.top | 0};
        clearTimeout(timeout);
        // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run
        timeout = setTimeout(function () {
          setValuesFromMousePosition.call(that, e);
        }, 0);
        // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing
        $(document).bind('mousemove', mouseMove).bind('mouseup', mouseUp);
        e.preventDefault(); // don't try to select anything or drag the image to the desktop
      }
      /**
       * Set the values as the mouse moves.
       * @param {external:jQuery.Event} e
       * @returns {false}
       */
      function mouseMove (e) {
        clearTimeout(timeout);
        timeout = setTimeout(function () {
          setValuesFromMousePosition.call(that, e);
        }, 0);
        e.stopPropagation();
        e.preventDefault();
        return false;
      }
      /**
       * Unbind the document events - they aren't needed when not dragging.
       * @param {external:jQuery.Event} e
       * @returns {false}
       */
      function mouseUp (e) {
        $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
        e.stopPropagation();
        e.preventDefault();
        return false;
      }

      /**
       * Calculate mouse position and set value within the current range.
       * @param {Event} e
       * @returns {void}
       */
      function setValuesFromMousePosition (e) {
        const barW = bar.w, // local copies for YUI compressor
          barH = bar.h;
        let locX = e.pageX - offset.l,
          locY = e.pageY - offset.t;
        // keep the arrow within the bounds of the bar
        if (locX < 0) locX = 0;
        else if (locX > barW) locX = barW;
        if (locY < 0) locY = 0;
        else if (locY > barH) locY = barH;
        val.call(that, 'xy', {
          x: ((locX / barW) * rangeX) + minX,
          y: ((locY / barH) * rangeY) + minY
        });
      }
      /**
       *
       * @returns {void}
       */
      function draw () {
        const
          barW = bar.w,
          barH = bar.h,
          arrowW = arrow.w,
          arrowH = arrow.h;
        let arrowOffsetX = 0,
          arrowOffsetY = 0;
        setTimeout(function () {
          if (rangeX > 0) { // range is greater than zero
            // constrain to bounds
            if (x === maxX) arrowOffsetX = barW;
            else arrowOffsetX = ((x / rangeX) * barW) | 0;
          }
          if (rangeY > 0) { // range is greater than zero
            // constrain to bounds
            if (y === maxY) arrowOffsetY = barH;
            else arrowOffsetY = ((y / rangeY) * barH) | 0;
          }
          // if arrow width is greater than bar width, center arrow and prevent horizontal dragging
          if (arrowW >= barW) arrowOffsetX = (barW >> 1) - (arrowW >> 1); // number >> 1 - superfast bitwise divide by two and truncate (move bits over one bit discarding lowest)
          else arrowOffsetX -= arrowW >> 1;
          // if arrow height is greater than bar height, center arrow and prevent vertical dragging
          if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);
          else arrowOffsetY -= arrowH >> 1;
          // set the arrow position based on these offsets
          arrow.css({left: arrowOffsetX + 'px', top: arrowOffsetY + 'px'});
        });
      }

      /**
       * Get or set a value.
       * @param {?("xy"|"x"|"y")} name
       * @param {module:math.XYObject} value
       * @param {module:jPicker.Slider} context
       * @returns {module:math.XYObject|Float|void}
       */
      function val (name, value, context) {
        const set = value !== undefined;
        if (!set) {
          if (isNullish(name)) name = 'xy';
          switch (name.toLowerCase()) {
          case 'x': return x;
          case 'y': return y;
          case 'xy':
          default: return {x, y};
          }
        }
        if (!isNullish(context) && context === that) return undefined;
        let changed = false;

        let newX, newY;
        if (isNullish(name)) name = 'xy';
        switch (name.toLowerCase()) {
        case 'x':
          newX = (value && ((value.x && value.x | 0) || value | 0)) || 0;
          break;
        case 'y':
          newY = (value && ((value.y && value.y | 0) || value | 0)) || 0;
          break;
        case 'xy':
        default:
          newX = (value && value.x && value.x | 0) || 0;
          newY = (value && value.y && value.y | 0) || 0;
          break;
        }
        if (!isNullish(newX)) {
          if (newX < minX) newX = minX;
          else if (newX > maxX) newX = maxX;
          if (x !== newX) {
            x = newX;
            changed = true;
          }
        }
        if (!isNullish(newY)) {
          if (newY < minY) newY = minY;
          else if (newY > maxY) newY = maxY;
          if (y !== newY) {
            y = newY;
            changed = true;
          }
        }
        changed && fireChangeEvents.call(that, context || that);
        return undefined;
      }

      /**
      * @typedef {PlainObject} module:jPicker.MinMaxRangeX
      * @property {Float} minX
      * @property {Float} maxX
      * @property {Float} rangeX
      */
      /**
      * @typedef {PlainObject} module:jPicker.MinMaxRangeY
      * @property {Float} minY
      * @property {Float} maxY
      * @property {Float} rangeY
      */
      /**
      * @typedef {module:jPicker.MinMaxRangeY|module:jPicker.MinMaxRangeX} module:jPicker.MinMaxRangeXY
      */

      /**
       *
       * @param {"minx"|"maxx"|"rangex"|"miny"|"maxy"|"rangey"|"all"} name
       * @param {module:jPicker.MinMaxRangeXY} value
       * @returns {module:jPicker.MinMaxRangeXY|module:jPicker.MinMaxRangeX|module:jPicker.MinMaxRangeY|void}
       */
      function range (name, value) {
        const set = value !== undefined;
        if (!set) {
          if (isNullish(name)) name = 'all';
          switch (name.toLowerCase()) {
          case 'minx': return minX;
          case 'maxx': return maxX;
          case 'rangex': return {minX, maxX, rangeX};
          case 'miny': return minY;
          case 'maxy': return maxY;
          case 'rangey': return {minY, maxY, rangeY};
          case 'all':
          default: return {minX, maxX, rangeX, minY, maxY, rangeY};
          }
        }
        let // changed = false,
          newMinX,
          newMaxX,
          newMinY,
          newMaxY;
        if (isNullish(name)) name = 'all';
        switch (name.toLowerCase()) {
        case 'minx':
          newMinX = (value && ((value.minX && value.minX | 0) || value | 0)) || 0;
          break;
        case 'maxx':
          newMaxX = (value && ((value.maxX && value.maxX | 0) || value | 0)) || 0;
          break;
        case 'rangex':
          newMinX = (value && value.minX && value.minX | 0) || 0;
          newMaxX = (value && value.maxX && value.maxX | 0) || 0;
          break;
        case 'miny':
          newMinY = (value && ((value.minY && value.minY | 0) || value | 0)) || 0;
          break;
        case 'maxy':
          newMaxY = (value && ((value.maxY && value.maxY | 0) || value | 0)) || 0;
          break;
        case 'rangey':
          newMinY = (value && value.minY && value.minY | 0) || 0;
          newMaxY = (value && value.maxY && value.maxY | 0) || 0;
          break;
        case 'all':
        default:
          newMinX = (value && value.minX && value.minX | 0) || 0;
          newMaxX = (value && value.maxX && value.maxX | 0) || 0;
          newMinY = (value && value.minY && value.minY | 0) || 0;
          newMaxY = (value && value.maxY && value.maxY | 0) || 0;
          break;
        }

        if (!isNullish(newMinX) && minX !== newMinX) {
          minX = newMinX;
          rangeX = maxX - minX;
        }
        if (!isNullish(newMaxX) && maxX !== newMaxX) {
          maxX = newMaxX;
          rangeX = maxX - minX;
        }
        if (!isNullish(newMinY) && minY !== newMinY) {
          minY = newMinY;
          rangeY = maxY - minY;
        }
        if (!isNullish(newMaxY) && maxY !== newMaxY) {
          maxY = newMaxY;
          rangeY = maxY - minY;
        }
        return undefined;
      }
      /**
      * @param {GenericCallback} callback
      * @returns {void}
      */
      function bind (callback) { // eslint-disable-line promise/prefer-await-to-callbacks
        if (typeof callback === 'function') changeEvents.push(callback);
      }
      /**
      * @param {GenericCallback} callback
      * @returns {void}
      */
      function unbind (callback) { // eslint-disable-line promise/prefer-await-to-callbacks
        if (typeof callback !== 'function') return;
        let i;
        while ((i = changeEvents.includes(callback))) changeEvents.splice(i, 1);
      }
      /**
      *
      * @returns {void}
      */
      function destroy () {
        // unbind all possible events and null objects
        $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
        bar.unbind('mousedown', mouseDown);
        bar = null;
        arrow = null;
        changeEvents = null;
      }
      let offset,
        timeout,
        x = 0,
        y = 0,
        minX = 0,
        maxX = 100,
        rangeX = 100,
        minY = 0,
        maxY = 100,
        rangeY = 100,
        arrow = bar.find('img:first'), // the arrow image to drag
        changeEvents = [];

      $.extend(
        true,
        // public properties, methods, and event bindings - these we need
        //   to access from other controls
        that,
        {
          val,
          range,
          bind,
          unbind,
          destroy
        }
      );
      // initialize this control
      arrow.src = options.arrow && options.arrow.image;
      arrow.w = (options.arrow && options.arrow.width) || arrow.width();
      arrow.h = (options.arrow && options.arrow.height) || arrow.height();
      bar.w = (options.map && options.map.width) || bar.width();
      bar.h = (options.map && options.map.height) || bar.height();
      // bind mousedown event
      bar.bind('mousedown', mouseDown);
      bind.call(that, draw);
    }
  }

  /**
   * Controls for all the input elements for the typing in color values.
   */
  class ColorValuePicker {
    /**
     * @param {external:jQuery} picker
     * @param {external:jQuery.jPicker.Color} color
     * @param {external:jQuery.fn.$.fn.jPicker} bindedHex
     * @param {Float} alphaPrecision
     */
    constructor (picker, color, bindedHex, alphaPrecision) {
      const that = this; // private properties and methods
      const inputs = picker.find('td.Text input');
      // input box key down - use arrows to alter color
      /**
       *
       * @param {Event} e
       * @returns {Event|false|void}
       */
      function keyDown (e) {
        if (e.target.value === '' && e.target !== hex.get(0) && ((!isNullish(bindedHex) && e.target !== bindedHex.get(0)) || isNullish(bindedHex))) return undefined;
        if (!validateKey(e)) return e;
        switch (e.target) {
        case red.get(0):
          switch (e.keyCode) {
          case 38:
            red.val(setValueInRange.call(that, (red.val() << 0) + 1, 0, 255));
            color.val('r', red.val(), e.target);
            return false;
          case 40:
            red.val(setValueInRange.call(that, (red.val() << 0) - 1, 0, 255));
            color.val('r', red.val(), e.target);
            return false;
          }
          break;
        case green.get(0):
          switch (e.keyCode) {
          case 38:
            green.val(setValueInRange.call(that, (green.val() << 0) + 1, 0, 255));
            color.val('g', green.val(), e.target);
            return false;
          case 40:
            green.val(setValueInRange.call(that, (green.val() << 0) - 1, 0, 255));
            color.val('g', green.val(), e.target);
            return false;
          }
          break;
        case blue.get(0):
          switch (e.keyCode) {
          case 38:
            blue.val(setValueInRange.call(that, (blue.val() << 0) + 1, 0, 255));
            color.val('b', blue.val(), e.target);
            return false;
          case 40:
            blue.val(setValueInRange.call(that, (blue.val() << 0) - 1, 0, 255));
            color.val('b', blue.val(), e.target);
            return false;
          }
          break;
        case alpha && alpha.get(0):
          switch (e.keyCode) {
          case 38:
            alpha.val(setValueInRange.call(that, Number.parseFloat(alpha.val()) + 1, 0, 100));
            color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);
            return false;
          case 40:
            alpha.val(setValueInRange.call(that, Number.parseFloat(alpha.val()) - 1, 0, 100));
            color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);
            return false;
          }
          break;
        case hue.get(0):
          switch (e.keyCode) {
          case 38:
            hue.val(setValueInRange.call(that, (hue.val() << 0) + 1, 0, 360));
            color.val('h', hue.val(), e.target);
            return false;
          case 40:
            hue.val(setValueInRange.call(that, (hue.val() << 0) - 1, 0, 360));
            color.val('h', hue.val(), e.target);
            return false;
          }
          break;
        case saturation.get(0):
          switch (e.keyCode) {
          case 38:
            saturation.val(setValueInRange.call(that, (saturation.val() << 0) + 1, 0, 100));
            color.val('s', saturation.val(), e.target);
            return false;
          case 40:
            saturation.val(setValueInRange.call(that, (saturation.val() << 0) - 1, 0, 100));
            color.val('s', saturation.val(), e.target);
            return false;
          }
          break;
        case value.get(0):
          switch (e.keyCode) {
          case 38:
            value.val(setValueInRange.call(that, (value.val() << 0) + 1, 0, 100));
            color.val('v', value.val(), e.target);
            return false;
          case 40:
            value.val(setValueInRange.call(that, (value.val() << 0) - 1, 0, 100));
            color.val('v', value.val(), e.target);
            return false;
          }
          break;
        }
        return undefined;
      }
      // input box key up - validate value and set color
      /**
      * @param {Event} e
      * @returns {Event|void}
      * @todo Why is this returning an event?
      */
      function keyUp (e) {
        if (e.target.value === '' && e.target !== hex.get(0) &&
          ((!isNullish(bindedHex) && e.target !== bindedHex.get(0)) ||
          isNullish(bindedHex))) return undefined;
        if (!validateKey(e)) return e;
        switch (e.target) {
        case red.get(0):
          red.val(setValueInRange.call(that, red.val(), 0, 255));
          color.val('r', red.val(), e.target);
          break;
        case green.get(0):
          green.val(setValueInRange.call(that, green.val(), 0, 255));
          color.val('g', green.val(), e.target);
          break;
        case blue.get(0):
          blue.val(setValueInRange.call(that, blue.val(), 0, 255));
          color.val('b', blue.val(), e.target);
          break;
        case alpha && alpha.get(0):
          alpha.val(setValueInRange.call(that, alpha.val(), 0, 100));
          color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);
          break;
        case hue.get(0):
          hue.val(setValueInRange.call(that, hue.val(), 0, 360));
          color.val('h', hue.val(), e.target);
          break;
        case saturation.get(0):
          saturation.val(setValueInRange.call(that, saturation.val(), 0, 100));
          color.val('s', saturation.val(), e.target);
          break;
        case value.get(0):
          value.val(setValueInRange.call(that, value.val(), 0, 100));
          color.val('v', value.val(), e.target);
          break;
        case hex.get(0):
          hex.val(hex.val().replace(/[^a-fA-F\d]/g, '').toLowerCase().substring(0, 6));
          bindedHex && bindedHex.val(hex.val());
          color.val('hex', hex.val() !== '' ? hex.val() : null, e.target);
          break;
        case bindedHex && bindedHex.get(0):
          bindedHex.val(bindedHex.val().replace(/[^a-fA-F\d]/g, '').toLowerCase().substring(0, 6));
          hex.val(bindedHex.val());
          color.val('hex', bindedHex.val() !== '' ? bindedHex.val() : null, e.target);
          break;
        case ahex && ahex.get(0):
          ahex.val(ahex.val().replace(/[^a-fA-F\d]/g, '').toLowerCase().substring(0, 2));
          color.val('a', !isNullish(ahex.val()) ? Number.parseInt(ahex.val(), 16) : null, e.target);
          break;
        }
        return undefined;
      }
      // input box blur - reset to original if value empty
      /**
      * @param {Event} e
      * @returns {void}
      */
      function blur (e) {
        if (!isNullish(color.val())) {
          switch (e.target) {
          case red.get(0): red.val(color.val('r')); break;
          case green.get(0): green.val(color.val('g')); break;
          case blue.get(0): blue.val(color.val('b')); break;
          case alpha && alpha.get(0): alpha.val(toFixedNumeric((color.val('a') * 100) / 255, alphaPrecision)); break;
          case hue.get(0): hue.val(color.val('h')); break;
          case saturation.get(0): saturation.val(color.val('s')); break;
          case value.get(0): value.val(color.val('v')); break;
          case hex.get(0):
          case bindedHex && bindedHex.get(0):
            hex.val(color.val('hex'));
            bindedHex && bindedHex.val(color.val('hex'));
            break;
          case ahex && ahex.get(0): ahex.val(color.val('ahex').substring(6)); break;
          }
        }
      }
      /**
      * @param {Event} e
      * @returns {boolean}
      */
      function validateKey (e) {
        switch (e.keyCode) {
        case 9:
        case 16:
        case 29:
        case 37:
        case 39:
          return false;
        case 'c'.charCodeAt():
        case 'v'.charCodeAt():
          if (e.ctrlKey) return false;
        }
        return true;
      }

      /**
      * Constrain value within range.
      * @param {Float|string} value
      * @param {Float} min
      * @param {Float} max
      * @returns {Float|string} Returns a number or numeric string
      */
      function setValueInRange (value, min, max) {
        if (value === '' || isNaN(value)) return min;
        if (value > max) return max;
        if (value < min) return min;
        return value;
      }
      /**
      * @param {external:jQuery} ui
      * @param {Element} context
      * @returns {void}
      */
      function colorChanged (ui, context) {
        const all = ui.val('all');
        if (context !== red.get(0)) red.val(!isNullish(all) ? all.r : '');
        if (context !== green.get(0)) green.val(!isNullish(all) ? all.g : '');
        if (context !== blue.get(0)) blue.val(!isNullish(all) ? all.b : '');
        if (alpha && context !== alpha.get(0)) alpha.val(!isNullish(all) ? toFixedNumeric((all.a * 100) / 255, alphaPrecision) : '');
        if (context !== hue.get(0)) hue.val(!isNullish(all) ? all.h : '');
        if (context !== saturation.get(0)) saturation.val(!isNullish(all) ? all.s : '');
        if (context !== value.get(0)) value.val(!isNullish(all) ? all.v : '');
        if (context !== hex.get(0) && ((bindedHex && context !== bindedHex.get(0)) || !bindedHex)) hex.val(!isNullish(all) ? all.hex : '');
        if (bindedHex && context !== bindedHex.get(0) && context !== hex.get(0)) bindedHex.val(!isNullish(all) ? all.hex : '');
        if (ahex && context !== ahex.get(0)) ahex.val(!isNullish(all) ? all.ahex.substring(6) : '');
      }
      /**
      * Unbind all events and null objects.
      * @returns {void}
      */
      function destroy () {
        red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).unbind('keyup', keyUp).unbind('blur', blur);
        red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).unbind('keydown', keyDown);
        color.unbind(colorChanged);
        red = null;
        green = null;
        blue = null;
        alpha = null;
        hue = null;
        saturation = null;
        value = null;
        hex = null;
        ahex = null;
      }
      let
        red = inputs.eq(3),
        green = inputs.eq(4),
        blue = inputs.eq(5),
        alpha = inputs.length > 7 ? inputs.eq(6) : null,
        hue = inputs.eq(0),
        saturation = inputs.eq(1),
        value = inputs.eq(2),
        hex = inputs.eq(inputs.length > 7 ? 7 : 6),
        ahex = inputs.length > 7 ? inputs.eq(8) : null;
      $.extend(true, that, {
        // public properties and methods
        destroy
      });
      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).bind('keyup', keyUp).bind('blur', blur);
      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).bind('keydown', keyDown);
      color.bind(colorChanged);
    }
  }

  /**
  * @typedef {PlainObject} module:jPicker.JPickerInit
  * @property {Integer} [a]
  * @property {Integer} [b]
  * @property {Integer} [g]
  * @property {Integer} [h]
  * @property {Integer} [r]
  * @property {Integer} [s]
  * @property {Integer} [v]
  * @property {string} [hex]
  * @property {string} [ahex]
  */

  /* eslint-disable jsdoc/require-property */
  /**
  * @namespace {PlainObject} jPicker
  * @memberof external:jQuery
  */
  $.jPicker = /** @lends external:jQuery.jPicker */ {
    /* eslint-enable jsdoc/require-property */
    /**
    * Array holding references to each active instance of the jPicker control.
    * @type {external:jQuery.fn.$.fn.jPicker[]}
    */
    List: [],
    /**
    * Color object - we will be able to assign by any color space type or
    * retrieve any color space info.
    * We want this public so we can optionally assign new color objects to
    * initial values using inputs other than a string hex value (also supported)
    * Note: JSDoc didn't document when expressed here as an ES6 Class.
    * @namespace
    * @class
    * @memberof external:jQuery.jPicker
    * @param {module:jPicker.JPickerInit} init
    * @returns {external:jQuery.jPicker.Color}
    */
    Color: function (init) { // eslint-disable-line object-shorthand
      const that = this;
      /**
       *
       * @param {module:jPicker.Slider} context
       * @returns {void}
       */
      function fireChangeEvents (context) {
        for (let i = 0; i < changeEvents.length; i++) changeEvents[i].call(that, that, context);
      }

      /**
       * @param {string|"ahex"|"hex"|"all"|""|null|void} name String composed of letters "r", "g", "b", "a", "h", "s", and/or "v"
       * @param {module:jPicker.RGBA|module:jPicker.JPickerInit|string} [value]
       * @param {external:jQuery.jPicker.Color} context
       * @returns {module:jPicker.JPickerInit|string|null|void}
       */
      function val (name, value, context) {
        // Kind of ugly
        const set = Boolean(value);
        if (set && value.ahex === '') value.ahex = '00000000';
        if (!set) {
          let ret;
          if (isNullish(name) || name === '') name = 'all';
          if (isNullish(r)) return null;
          switch (name.toLowerCase()) {
          case 'ahex': return ColorMethods.rgbaToHex({r, g, b, a});
          case 'hex': return val('ahex').substring(0, 6);
          case 'all': return {
            r, g, b, a, h, s, v,
            hex: val.call(that, 'hex'),
            ahex: val.call(that, 'ahex')
          };
          default: {
            ret = {};
            const nameLength = name.length;
            [...name].forEach((ch) => {
              switch (ch) {
              case 'r':
                if (nameLength === 1) ret = r;
                else ret.r = r;
                break;
              case 'g':
                if (nameLength === 1) ret = g;
                else ret.g = g;
                break;
              case 'b':
                if (nameLength === 1) ret = b;
                else ret.b = b;
                break;
              case 'a':
                if (nameLength === 1) ret = a;
                else ret.a = a;
                break;
              case 'h':
                if (nameLength === 1) ret = h;
                else ret.h = h;
                break;
              case 's':
                if (nameLength === 1) ret = s;
                else ret.s = s;
                break;
              case 'v':
                if (nameLength === 1) ret = v;
                else ret.v = v;
                break;
              }
            });
          }
          }
          return typeof ret === 'object' && !Object.keys(ret).length
            ? val.call(that, 'all')
            : ret;
        }
        if (!isNullish(context) && context === that) return undefined;
        if (isNullish(name)) name = '';

        let changed = false;
        if (isNullish(value)) {
          if (!isNullish(r)) {
            r = null;
            changed = true;
          }
          if (!isNullish(g)) {
            g = null;
            changed = true;
          }
          if (!isNullish(b)) {
            b = null;
            changed = true;
          }
          if (!isNullish(a)) {
            a = null;
            changed = true;
          }
          if (!isNullish(h)) {
            h = null;
            changed = true;
          }
          if (!isNullish(s)) {
            s = null;
            changed = true;
          }
          if (!isNullish(v)) {
            v = null;
            changed = true;
          }
          changed && fireChangeEvents.call(that, context || that);
          return undefined;
        }
        switch (name.toLowerCase()) {
        case 'ahex':
        case 'hex': {
          const ret = ColorMethods.hexToRgba((value && (value.ahex || value.hex)) || value || 'none');
          val.call(that, 'rgba', {
            r: ret.r,
            g: ret.g,
            b: ret.b,
            a: name === 'ahex'
              ? ret.a
              : !isNullish(a)
                ? a
                : 255
          }, context);
          break;
        } default: {
          if (value && (!isNullish(value.ahex) || !isNullish(value.hex))) {
            val.call(that, 'ahex', value.ahex || value.hex || '00000000', context);
            return undefined;
          }
          const newV = {};
          let rgb = false, hsv = false;
          if (value.r !== undefined && !name.includes('r')) name += 'r';
          if (value.g !== undefined && !name.includes('g')) name += 'g';
          if (value.b !== undefined && !name.includes('b')) name += 'b';
          if (value.a !== undefined && !name.includes('a')) name += 'a';
          if (value.h !== undefined && !name.includes('h')) name += 'h';
          if (value.s !== undefined && !name.includes('s')) name += 's';
          if (value.v !== undefined && !name.includes('v')) name += 'v';
          [...name].forEach((ch) => {
            switch (ch) {
            case 'r':
              if (hsv) return;
              rgb = true;
              newV.r = (value.r && value.r | 0) || (value | 0) || 0;
              if (newV.r < 0) newV.r = 0;
              else if (newV.r > 255) newV.r = 255;
              if (r !== newV.r) {
                ({r} = newV);
                changed = true;
              }
              break;
            case 'g':
              if (hsv) return;
              rgb = true;
              newV.g = (value && value.g && value.g | 0) || (value && value | 0) || 0;
              if (newV.g < 0) newV.g = 0;
              else if (newV.g > 255) newV.g = 255;
              if (g !== newV.g) {
                ({g} = newV);
                changed = true;
              }
              break;
            case 'b':
              if (hsv) return;
              rgb = true;
              newV.b = (value && value.b && value.b | 0) || (value && value | 0) || 0;
              if (newV.b < 0) newV.b = 0;
              else if (newV.b > 255) newV.b = 255;
              if (b !== newV.b) {
                ({b} = newV);
                changed = true;
              }
              break;
            case 'a':
              newV.a = value && !isNullish(value.a) ? value.a | 0 : value | 0;
              if (newV.a < 0) newV.a = 0;
              else if (newV.a > 255) newV.a = 255;
              if (a !== newV.a) {
                ({a} = newV);
                changed = true;
              }
              break;
            case 'h':
              if (rgb) return;
              hsv = true;
              newV.h = (value && value.h && value.h | 0) || (value && value | 0) || 0;
              if (newV.h < 0) newV.h = 0;
              else if (newV.h > 360) newV.h = 360;
              if (h !== newV.h) {
                ({h} = newV);
                changed = true;
              }
              break;
            case 's':
              if (rgb) return;
              hsv = true;
              newV.s = !isNullish(value.s) ? value.s | 0 : value | 0;
              if (newV.s < 0) newV.s = 0;
              else if (newV.s > 100) newV.s = 100;
              if (s !== newV.s) {
                ({s} = newV);
                changed = true;
              }
              break;
            case 'v':
              if (rgb) return;
              hsv = true;
              newV.v = !isNullish(value.v) ? value.v | 0 : value | 0;
              if (newV.v < 0) newV.v = 0;
              else if (newV.v > 100) newV.v = 100;
              if (v !== newV.v) {
                ({v} = newV);
                changed = true;
              }
              break;
            }
          });
          if (changed) {
            if (rgb) {
              r = r || 0;
              g = g || 0;
              b = b || 0;
              const ret = ColorMethods.rgbToHsv({r, g, b});
              ({h, s, v} = ret);
            } else if (hsv) {
              h = h || 0;
              s = !isNullish(s) ? s : 100;
              v = !isNullish(v) ? v : 100;
              const ret = ColorMethods.hsvToRgb({h, s, v});
              ({r, g, b} = ret);
            }
            a = !isNullish(a) ? a : 255;
            fireChangeEvents.call(that, context || that);
          }
          break;
        }
        }
        return undefined;
      }
      /**
      * @param {GenericCallback} callback
      * @returns {void}
      */
      function bind (callback) { // eslint-disable-line promise/prefer-await-to-callbacks
        if (typeof callback === 'function') changeEvents.push(callback);
      }
      /**
      * @param {GenericCallback} callback
      * @returns {void}
      */
      function unbind (callback) { // eslint-disable-line promise/prefer-await-to-callbacks
        if (typeof callback !== 'function') return;
        let i;
        while ((i = changeEvents.includes(callback))) {
          changeEvents.splice(i, 1);
        }
      }
      /**
      * Unset `changeEvents`
      * @returns {void}
      */
      function destroy () {
        changeEvents = null;
      }
      let r, g, b, a, h, s, v, changeEvents = [];

      $.extend(true, that, {
        // public properties and methods
        val,
        bind,
        unbind,
        destroy
      });
      if (init) {
        if (!isNullish(init.ahex)) {
          val('ahex', init);
        } else if (!isNullish(init.hex)) {
          val(
            (!isNullish(init.a) ? 'a' : '') + 'hex',
            !isNullish(init.a)
              ? {ahex: init.hex + ColorMethods.intToHex(init.a)}
              : init
          );
        } else if (!isNullish(init.r) && !isNullish(init.g) && !isNullish(init.b)) {
          val('rgb' + (!isNullish(init.a) ? 'a' : ''), init);
        } else if (!isNullish(init.h) && !isNullish(init.s) && !isNullish(init.v)) {
          val('hsv' + (!isNullish(init.a) ? 'a' : ''), init);
        }
      }
    },
    /**
    * Color conversion methods  - make public to give use to external scripts.
    * @namespace
    */
    ColorMethods: {
      /**
      * @typedef {PlainObject} module:jPicker.RGBA
      * @property {Integer} r
      * @property {Integer} g
      * @property {Integer} b
      * @property {Integer} a
      */
      /**
      * @typedef {PlainObject} module:jPicker.RGB
      * @property {Integer} r
      * @property {Integer} g
      * @property {Integer} b
      */
      /**
      * @param {string} hex
      * @returns {module:jPicker.RGBA}
      */
      hexToRgba (hex) {
        if (hex === '' || hex === 'none') return {r: null, g: null, b: null, a: null};
        hex = this.validateHex(hex);
        let r = '00', g = '00', b = '00', a = '255';
        if (hex.length === 6) hex += 'ff';
        if (hex.length > 6) {
          r = hex.substring(0, 2);
          g = hex.substring(2, 4);
          b = hex.substring(4, 6);
          a = hex.substring(6, hex.length);
        } else {
          if (hex.length > 4) {
            r = hex.substring(4, hex.length);
            hex = hex.substring(0, 4);
          }
          if (hex.length > 2) {
            g = hex.substring(2, hex.length);
            hex = hex.substring(0, 2);
          }
          if (hex.length > 0) b = hex.substring(0, hex.length);
        }
        return {
          r: this.hexToInt(r), g: this.hexToInt(g), b: this.hexToInt(b), a: this.hexToInt(a)
        };
      },
      /**
      * @param {string} hex
      * @returns {string}
      */
      validateHex (hex) {
        // if (typeof hex === 'object') return '';
        hex = hex.toLowerCase().replace(/[^a-f\d]/g, '');
        if (hex.length > 8) hex = hex.substring(0, 8);
        return hex;
      },
      /**
      * @param {module:jPicker.RGBA} rgba
      * @returns {string}
      */
      rgbaToHex (rgba) {
        return this.intToHex(rgba.r) + this.intToHex(rgba.g) + this.intToHex(rgba.b) + this.intToHex(rgba.a);
      },
      /**
      * @param {Integer} dec
      * @returns {string}
      */
      intToHex (dec) {
        let result = (dec | 0).toString(16);
        if (result.length === 1) result = ('0' + result);
        return result.toLowerCase();
      },
      /**
      * @param {string} hex
      * @returns {Integer}
      */
      hexToInt (hex) {
        return Number.parseInt(hex, 16);
      },
      /**
      * @typedef {PlainObject} module:jPicker.HSV
      * @property {Integer} h
      * @property {Integer} s
      * @property {Integer} v
      */
      /**
      * @param {module:jPicker.RGB} rgb
      * @returns {module:jPicker.HSV}
      */
      rgbToHsv (rgb) {
        const r = rgb.r / 255, g = rgb.g / 255, b = rgb.b / 255, hsv = {h: 0, s: 0, v: 0};
        let min = 0, max = 0;
        if (r >= g && r >= b) {
          max = r;
          min = g > b ? b : g;
        } else if (g >= b && g >= r) {
          max = g;
          min = r > b ? b : r;
        } else {
          max = b;
          min = g > r ? r : g;
        }
        hsv.v = max;
        hsv.s = max ? (max - min) / max : 0;
        let delta;
        if (!hsv.s) hsv.h = 0;
        else {
          delta = max - min;
          if (r === max) hsv.h = (g - b) / delta;
          else if (g === max) hsv.h = 2 + (b - r) / delta;
          else hsv.h = 4 + (r - g) / delta;
          hsv.h = Number.parseInt(hsv.h * 60);
          if (hsv.h < 0) hsv.h += 360;
        }
        hsv.s = (hsv.s * 100) | 0;
        hsv.v = (hsv.v * 100) | 0;
        return hsv;
      },
      /**
      * @param {module:jPicker.HSV} hsv
      * @returns {module:jPicker.RGB}
      */
      hsvToRgb (hsv) {
        const rgb = {r: 0, g: 0, b: 0, a: 100};
        let {h, s, v} = hsv;
        if (s === 0) {
          if (v === 0) rgb.r = rgb.g = rgb.b = 0;
          else rgb.r = rgb.g = rgb.b = (v * 255 / 100) | 0;
        } else {
          if (h === 360) h = 0;
          h /= 60;
          s /= 100;
          v /= 100;
          const i = h | 0,
            f = h - i,
            p = v * (1 - s),
            q = v * (1 - (s * f)),
            t = v * (1 - (s * (1 - f)));
          switch (i) {
          case 0:
            rgb.r = v;
            rgb.g = t;
            rgb.b = p;
            break;
          case 1:
            rgb.r = q;
            rgb.g = v;
            rgb.b = p;
            break;
          case 2:
            rgb.r = p;
            rgb.g = v;
            rgb.b = t;
            break;
          case 3:
            rgb.r = p;
            rgb.g = q;
            rgb.b = v;
            break;
          case 4:
            rgb.r = t;
            rgb.g = p;
            rgb.b = v;
            break;
          case 5:
            rgb.r = v;
            rgb.g = p;
            rgb.b = q;
            break;
          }
          rgb.r = (rgb.r * 255) | 0;
          rgb.g = (rgb.g * 255) | 0;
          rgb.b = (rgb.b * 255) | 0;
        }
        return rgb;
      }
    }
  };
  const {Color, List, ColorMethods} = $.jPicker; // local copies for YUI compressor
  /* eslint-disable jsdoc/require-returns */
  /**
   * @function external:jQuery.fn.jPicker
   * @see {@link external:jQuery.fn.$.fn.jPicker}
   */
  /* eslint-enable jsdoc/require-returns */

  /**
  * Will be bound to active {@link jQuery.jPicker.Color}.
  * @callback module:jPicker.LiveCallback
  * @param {external:jQuery} ui
  * @param {Element} context
  * @returns {void}
  */
  /**
  * @callback module:jPicker.CommitCallback
  * @param {external:jQuery.jPicker.Color} activeColor
  * @param {external:jQuery} okButton
  * @returns {void} Return value not used.
  */
  /**
   * @callback module:jPicker.CancelCallback
   * @param {external:jQuery.jPicker.Color} activeColor
   * @param {external:jQuery} cancelButton
   * @returns {void} Return value not used.
   */
  /**
  * While it would seem this should specify the name `jPicker` for JSDoc, that doesn't
  *   get us treated as a function as well as a namespace (even with `@function name`),
  *   so we use an approach to add a redundant `$.fn.` in the name.
  * @namespace
  * @memberof external:jQuery.fn
  * @param {external:jQuery.fn.jPickerOptions} options
  * @param {module:jPicker.CommitCallback} [commitCallback]
  * @param {module:jPicker.LiveCallback} [liveCallback]
  * @param {module:jPicker.CancelCallback} [cancelCallback]
  * @returns {external:jQuery}
  */
  $.fn.jPicker = function (options, commitCallback, liveCallback, cancelCallback) {
    return this.each(function () {
      const that = this,
        settings = $.extend(true, {}, $.fn.jPicker.defaults, options); // local copies for YUI compressor
      if ($(that).get(0).nodeName.toLowerCase() === 'input') { // Add color picker icon if binding to an input element and bind the events to the input
        $.extend(true, settings, {
          window: {
            bindToInput: true,
            expandable: true,
            input: $(that)
          }
        });
        if ($(that).val() === '') {
          settings.color.active = new Color({hex: null});
          settings.color.current = new Color({hex: null});
        } else if (ColorMethods.validateHex($(that).val())) {
          settings.color.active = new Color({hex: $(that).val(), a: settings.color.active.val('a')});
          settings.color.current = new Color({hex: $(that).val(), a: settings.color.active.val('a')});
        }
      }
      if (settings.window.expandable) {
        $(that).after('<span class="jPicker"><span class="Icon"><span class="Color">&nbsp;</span><span class="Alpha">&nbsp;</span><span class="Image" title="Click To Open Color Picker">&nbsp;</span><span class="Container">&nbsp;</span></span></span>');
      } else {
        settings.window.liveUpdate = false; // Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results
      }
      const isLessThanIE7 = Number.parseFloat(navigator.appVersion.split('MSIE')[1]) < 7 && document.body.filters; // needed to run the AlphaImageLoader function for IE6
      // set color mode and update visuals for the new color mode
      /**
       *
       * @param {"h"|"s"|"v"|"r"|"g"|"b"|"a"} colorMode
       * @throws {Error} Invalid mode
       * @returns {void}
       */
      function setColorMode (colorMode) {
        const {active} = color, // local copies for YUI compressor
          // {clientPath} = images,
          hex = active.val('hex');
        let rgbMap, rgbBar;
        settings.color.mode = colorMode;
        switch (colorMode) {
        case 'h':
          setTimeout(function () {
            setBG.call(that, colorMapDiv, 'transparent');
            setImgLoc.call(that, colorMapL1, 0);
            setAlpha.call(that, colorMapL1, 100);
            setImgLoc.call(that, colorMapL2, 260);
            setAlpha.call(that, colorMapL2, 100);
            setBG.call(that, colorBarDiv, 'transparent');
            setImgLoc.call(that, colorBarL1, 0);
            setAlpha.call(that, colorBarL1, 100);
            setImgLoc.call(that, colorBarL2, 260);
            setAlpha.call(that, colorBarL2, 100);
            setImgLoc.call(that, colorBarL3, 260);
            setAlpha.call(that, colorBarL3, 100);
            setImgLoc.call(that, colorBarL4, 260);
            setAlpha.call(that, colorBarL4, 100);
            setImgLoc.call(that, colorBarL6, 260);
            setAlpha.call(that, colorBarL6, 100);
          }, 0);
          colorMap.range('all', {minX: 0, maxX: 100, minY: 0, maxY: 100});
          colorBar.range('rangeY', {minY: 0, maxY: 360});
          if (isNullish(active.val('ahex'))) break;
          colorMap.val('xy', {x: active.val('s'), y: 100 - active.val('v')}, colorMap);
          colorBar.val('y', 360 - active.val('h'), colorBar);
          break;
        case 's':
          setTimeout(function () {
            setBG.call(that, colorMapDiv, 'transparent');
            setImgLoc.call(that, colorMapL1, -260);
            setImgLoc.call(that, colorMapL2, -520);
            setImgLoc.call(that, colorBarL1, -260);
            setImgLoc.call(that, colorBarL2, -520);
            setImgLoc.call(that, colorBarL6, 260);
            setAlpha.call(that, colorBarL6, 100);
          }, 0);
          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});
          colorBar.range('rangeY', {minY: 0, maxY: 100});
          if (isNullish(active.val('ahex'))) break;
          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);
          colorBar.val('y', 100 - active.val('s'), colorBar);
          break;
        case 'v':
          setTimeout(function () {
            setBG.call(that, colorMapDiv, '000000');
            setImgLoc.call(that, colorMapL1, -780);
            setImgLoc.call(that, colorMapL2, 260);
            setBG.call(that, colorBarDiv, hex);
            setImgLoc.call(that, colorBarL1, -520);
            setImgLoc.call(that, colorBarL2, 260);
            setAlpha.call(that, colorBarL2, 100);
            setImgLoc.call(that, colorBarL6, 260);
            setAlpha.call(that, colorBarL6, 100);
          }, 0);
          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});
          colorBar.range('rangeY', {minY: 0, maxY: 100});
          if (isNullish(active.val('ahex'))) break;
          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('s')}, colorMap);
          colorBar.val('y', 100 - active.val('v'), colorBar);
          break;
        case 'r':
          rgbMap = -1040;
          rgbBar = -780;
          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});
          colorBar.range('rangeY', {minY: 0, maxY: 255});
          if (isNullish(active.val('ahex'))) break;
          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('g')}, colorMap);
          colorBar.val('y', 255 - active.val('r'), colorBar);
          break;
        case 'g':
          rgbMap = -1560;
          rgbBar = -1820;
          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});
          colorBar.range('rangeY', {minY: 0, maxY: 255});
          if (isNullish(active.val('ahex'))) break;
          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('r')}, colorMap);
          colorBar.val('y', 255 - active.val('g'), colorBar);
          break;
        case 'b':
          rgbMap = -2080;
          rgbBar = -2860;
          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});
          colorBar.range('rangeY', {minY: 0, maxY: 255});
          if (isNullish(active.val('ahex'))) break;
          colorMap.val('xy', {x: active.val('r'), y: 255 - active.val('g')}, colorMap);
          colorBar.val('y', 255 - active.val('b'), colorBar);
          break;
        case 'a':
          setTimeout(function () {
            setBG.call(that, colorMapDiv, 'transparent');
            setImgLoc.call(that, colorMapL1, -260);
            setImgLoc.call(that, colorMapL2, -520);
            setImgLoc.call(that, colorBarL1, 260);
            setImgLoc.call(that, colorBarL2, 260);
            setAlpha.call(that, colorBarL2, 100);
            setImgLoc.call(that, colorBarL6, 0);
            setAlpha.call(that, colorBarL6, 100);
          }, 0);
          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});
          colorBar.range('rangeY', {minY: 0, maxY: 255});
          if (isNullish(active.val('ahex'))) break;
          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);
          colorBar.val('y', 255 - active.val('a'), colorBar);
          break;
        default:
          throw new Error('Invalid Mode');
        }
        switch (colorMode) {
        case 'h':
          break;
        case 's':
        case 'v':
        case 'a':
          setTimeout(function () {
            setAlpha.call(that, colorMapL1, 100);
            setAlpha.call(that, colorBarL1, 100);
            setImgLoc.call(that, colorBarL3, 260);
            setAlpha.call(that, colorBarL3, 100);
            setImgLoc.call(that, colorBarL4, 260);
            setAlpha.call(that, colorBarL4, 100);
          }, 0);
          break;
        case 'r':
        case 'g':
        case 'b':
          setTimeout(function () {
            setBG.call(that, colorMapDiv, 'transparent');
            setBG.call(that, colorBarDiv, 'transparent');
            setAlpha.call(that, colorBarL1, 100);
            setAlpha.call(that, colorMapL1, 100);
            setImgLoc.call(that, colorMapL1, rgbMap);
            setImgLoc.call(that, colorMapL2, rgbMap - 260);
            setImgLoc.call(that, colorBarL1, rgbBar - 780);
            setImgLoc.call(that, colorBarL2, rgbBar - 520);
            setImgLoc.call(that, colorBarL3, rgbBar);
            setImgLoc.call(that, colorBarL4, rgbBar - 260);
            setImgLoc.call(that, colorBarL6, 260);
            setAlpha.call(that, colorBarL6, 100);
          }, 0);
          break;
        }
        if (isNullish(active.val('ahex'))) return;
        activeColorChanged.call(that, active);
      }
      /**
       * Update color when user changes text values.
       * @param {external:jQuery} ui
       * @param {?module:jPicker.Slider} context
       * @returns {void}
      */
      function activeColorChanged (ui, context) {
        if (isNullish(context) || (context !== colorBar && context !== colorMap)) positionMapAndBarArrows.call(that, ui, context);
        setTimeout(function () {
          updatePreview.call(that, ui);
          updateMapVisuals.call(that, ui);
          updateBarVisuals.call(that, ui);
        }, 0);
      }

      /**
       * User has dragged the ColorMap pointer.
       * @param {external:jQuery} ui
       * @param {?module:jPicker.Slider} context
       * @returns {void}
      */
      function mapValueChanged (ui, context) {
        const {active} = color;
        if (context !== colorMap && isNullish(active.val())) return;
        const xy = ui.val('all');
        switch (settings.color.mode) {
        case 'h':
          active.val('sv', {s: xy.x, v: 100 - xy.y}, context);
          break;
        case 's':
        case 'a':
          active.val('hv', {h: xy.x, v: 100 - xy.y}, context);
          break;
        case 'v':
          active.val('hs', {h: xy.x, s: 100 - xy.y}, context);
          break;
        case 'r':
          active.val('gb', {g: 255 - xy.y, b: xy.x}, context);
          break;
        case 'g':
          active.val('rb', {r: 255 - xy.y, b: xy.x}, context);
          break;
        case 'b':
          active.val('rg', {r: xy.x, g: 255 - xy.y}, context);
          break;
        }
      }

      /**
       * User has dragged the ColorBar slider.
       * @param {external:jQuery} ui
       * @param {?module:jPicker.Slider} context
       * @returns {void}
      */
      function colorBarValueChanged (ui, context) {
        const {active} = color;
        if (context !== colorBar && isNullish(active.val())) return;
        switch (settings.color.mode) {
        case 'h':
          active.val('h', {h: 360 - ui.val('y')}, context);
          break;
        case 's':
          active.val('s', {s: 100 - ui.val('y')}, context);
          break;
        case 'v':
          active.val('v', {v: 100 - ui.val('y')}, context);
          break;
        case 'r':
          active.val('r', {r: 255 - ui.val('y')}, context);
          break;
        case 'g':
          active.val('g', {g: 255 - ui.val('y')}, context);
          break;
        case 'b':
          active.val('b', {b: 255 - ui.val('y')}, context);
          break;
        case 'a':
          active.val('a', 255 - ui.val('y'), context);
          break;
        }
      }

      /**
       * Position map and bar arrows to match current color.
       * @param {external:jQuery} ui
       * @param {?module:jPicker.Slider} context
       * @returns {void}
      */
      function positionMapAndBarArrows (ui, context) {
        if (context !== colorMap) {
          switch (settings.color.mode) {
          case 'h': {
            const sv = ui.val('sv');
            colorMap.val('xy', {x: !isNullish(sv) ? sv.s : 100, y: 100 - (!isNullish(sv) ? sv.v : 100)}, context);
            break;
          } case 's':
          // Fall through
          case 'a': {
            const hv = ui.val('hv');
            colorMap.val('xy', {x: (hv && hv.h) || 0, y: 100 - (!isNullish(hv) ? hv.v : 100)}, context);
            break;
          } case 'v': {
            const hs = ui.val('hs');
            colorMap.val('xy', {x: (hs && hs.h) || 0, y: 100 - (!isNullish(hs) ? hs.s : 100)}, context);
            break;
          } case 'r': {
            const bg = ui.val('bg');
            colorMap.val('xy', {x: (bg && bg.b) || 0, y: 255 - ((bg && bg.g) || 0)}, context);
            break;
          } case 'g': {
            const br = ui.val('br');
            colorMap.val('xy', {x: (br && br.b) || 0, y: 255 - ((br && br.r) || 0)}, context);
            break;
          } case 'b': {
            const rg = ui.val('rg');
            colorMap.val('xy', {x: (rg && rg.r) || 0, y: 255 - ((rg && rg.g) || 0)}, context);
            break;
          }
          }
        }
        if (context !== colorBar) {
          switch (settings.color.mode) {
          case 'h':
            colorBar.val('y', 360 - (ui.val('h') || 0), context);
            break;
          case 's': {
            const s = ui.val('s');
            colorBar.val('y', 100 - (!isNullish(s) ? s : 100), context);
            break;
          } case 'v': {
            const v = ui.val('v');
            colorBar.val('y', 100 - (!isNullish(v) ? v : 100), context);
            break;
          } case 'r':
            colorBar.val('y', 255 - (ui.val('r') || 0), context);
            break;
          case 'g':
            colorBar.val('y', 255 - (ui.val('g') || 0), context);
            break;
          case 'b':
            colorBar.val('y', 255 - (ui.val('b') || 0), context);
            break;
          case 'a': {
            const a = ui.val('a');
            colorBar.val('y', 255 - (!isNullish(a) ? a : 255), context);
            break;
          }
          }
        }
      }
      /**
      * @param {external:jQuery} ui
      * @returns {void}
      */
      function updatePreview (ui) {
        try {
          const all = ui.val('all');
          activePreview.css({backgroundColor: (all && '#' + all.hex) || 'transparent'});
          setAlpha.call(that, activePreview, (all && toFixedNumeric((all.a * 100) / 255, 4)) || 0);
        } catch (e) { }
      }
      /**
      * @param {external:jQuery} ui
      * @returns {void}
      */
      function updateMapVisuals (ui) {
        switch (settings.color.mode) {
        case 'h':
          setBG.call(that, colorMapDiv, new Color({h: ui.val('h') || 0, s: 100, v: 100}).val('hex'));
          break;
        case 's':
        case 'a': {
          const s = ui.val('s');
          setAlpha.call(that, colorMapL2, 100 - (!isNullish(s) ? s : 100));
          break;
        } case 'v': {
          const v = ui.val('v');
          setAlpha.call(that, colorMapL1, !isNullish(v) ? v : 100);
          break;
        } case 'r':
          setAlpha.call(that, colorMapL2, toFixedNumeric((ui.val('r') || 0) / 255 * 100, 4));
          break;
        case 'g':
          setAlpha.call(that, colorMapL2, toFixedNumeric((ui.val('g') || 0) / 255 * 100, 4));
          break;
        case 'b':
          setAlpha.call(that, colorMapL2, toFixedNumeric((ui.val('b') || 0) / 255 * 100));
          break;
        }
        const a = ui.val('a');
        setAlpha.call(that, colorMapL3, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));
      }
      /**
      * @param {external:jQuery} ui
      * @returns {void}
      */
      function updateBarVisuals (ui) {
        switch (settings.color.mode) {
        case 'h': {
          const a = ui.val('a');
          setAlpha.call(that, colorBarL5, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));
          break;
        } case 's': {
          const hva = ui.val('hva'),
            saturatedColor = new Color({h: (hva && hva.h) || 0, s: 100, v: !isNullish(hva) ? hva.v : 100});
          setBG.call(that, colorBarDiv, saturatedColor.val('hex'));
          setAlpha.call(that, colorBarL2, 100 - (!isNullish(hva) ? hva.v : 100));
          setAlpha.call(that, colorBarL5, toFixedNumeric(((255 - ((hva && hva.a) || 0)) * 100) / 255, 4));
          break;
        } case 'v': {
          const hsa = ui.val('hsa'),
            valueColor = new Color({h: (hsa && hsa.h) || 0, s: !isNullish(hsa) ? hsa.s : 100, v: 100});
          setBG.call(that, colorBarDiv, valueColor.val('hex'));
          setAlpha.call(that, colorBarL5, toFixedNumeric(((255 - ((hsa && hsa.a) || 0)) * 100) / 255, 4));
          break;
        } case 'r':
        case 'g':
        case 'b': {
          const rgba = ui.val('rgba');
          let hValue = 0, vValue = 0;
          if (settings.color.mode === 'r') {
            hValue = (rgba && rgba.b) || 0;
            vValue = (rgba && rgba.g) || 0;
          } else if (settings.color.mode === 'g') {
            hValue = (rgba && rgba.b) || 0;
            vValue = (rgba && rgba.r) || 0;
          } else if (settings.color.mode === 'b') {
            hValue = (rgba && rgba.r) || 0;
            vValue = (rgba && rgba.g) || 0;
          }
          const middle = vValue > hValue ? hValue : vValue;
          setAlpha.call(that, colorBarL2, hValue > vValue ? toFixedNumeric(((hValue - vValue) / (255 - vValue)) * 100, 4) : 0);
          setAlpha.call(that, colorBarL3, vValue > hValue ? toFixedNumeric(((vValue - hValue) / (255 - hValue)) * 100, 4) : 0);
          setAlpha.call(that, colorBarL4, toFixedNumeric((middle / 255) * 100, 4));
          setAlpha.call(that, colorBarL5, toFixedNumeric(((255 - ((rgba && rgba.a) || 0)) * 100) / 255, 4));
          break;
        } case 'a': {
          const a = ui.val('a');
          setBG.call(that, colorBarDiv, ui.val('hex') || '000000');
          setAlpha.call(that, colorBarL5, !isNullish(a) ? 0 : 100);
          setAlpha.call(that, colorBarL6, !isNullish(a) ? 100 : 0);
          break;
        }
        }
      }
      /**
      * @param {external:jQuery} el
      * @param {string} [c="transparent"]
      * @returns {void}
      */
      function setBG (el, c) {
        el.css({backgroundColor: (c && c.length === 6 && '#' + c) || 'transparent'});
      }

      /**
      * @param {external:jQuery} img
      * @param {string} src The image source
      * @returns {void}
      */
      function setImg (img, src) {
        if (isLessThanIE7 && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {
          img.attr('pngSrc', src);
          img.css({backgroundImage: 'none', filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\')'});
        } else img.css({backgroundImage: 'url(\'' + src + '\')'});
      }
      /**
      * @param {external:jQuery} img
      * @param {Float} y
      * @returns {void}
      */
      function setImgLoc (img, y) {
        img.css({top: y + 'px'});
      }
      /**
      * @param {external:jQuery} obj
      * @param {Float} alpha
      * @returns {void}
      */
      function setAlpha (obj, alpha) {
        obj.css({visibility: alpha > 0 ? 'visible' : 'hidden'});
        if (alpha > 0 && alpha < 100) {
          if (isLessThanIE7) {
            const src = obj.attr('pngSrc');
            if (!isNullish(src) && (
              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')
            )) {
              obj.css({
                filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src +
                  '\', sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')'
              });
            } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});
          } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});
        } else if (alpha === 0 || alpha === 100) {
          if (isLessThanIE7) {
            const src = obj.attr('pngSrc');
            if (!isNullish(src) && (
              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')
            )) {
              obj.css({
                filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src +
                '\', sizingMethod=\'scale\')'
              });
            } else obj.css({opacity: ''});
          } else obj.css({opacity: ''});
        }
      }

      /**
      * Revert color to original color when opened.
      * @returns {void}
      */
      function revertColor () {
        color.active.val('ahex', color.current.val('ahex'));
      }
      /**
      * Commit the color changes.
      * @returns {void}
      */
      function commitColor () {
        color.current.val('ahex', color.active.val('ahex'));
      }
      /**
      * @param {Event} e
      * @returns {void}
      */
      function radioClicked (e) {
        $(this).parents('tbody:first').find('input:radio[value!="' + e.target.value + '"]').removeAttr('checked');
        setColorMode.call(that, e.target.value);
      }
      /**
      *
      * @returns {void}
      */
      function currentClicked () {
        revertColor.call(that);
      }
      /**
      *
      * @returns {void}
      */
      function cancelClicked () {
        revertColor.call(that);
        settings.window.expandable && hide.call(that);
        typeof cancelCallback === 'function' && cancelCallback.call(that, color.active, cancelButton);
      }
      /**
      *
      * @returns {void}
      */
      function okClicked () {
        commitColor.call(that);
        settings.window.expandable && hide.call(that);
        typeof commitCallback === 'function' && commitCallback.call(that, color.active, okButton);
      }
      /**
      *
      * @returns {void}
      */
      function iconImageClicked () {
        show.call(that);
      }
      /**
      * @param {external:jQuery} ui
      * @returns {void}
      */
      function currentColorChanged (ui) {
        const hex = ui.val('hex');
        currentPreview.css({backgroundColor: (hex && '#' + hex) || 'transparent'});
        setAlpha.call(that, currentPreview, toFixedNumeric(((ui.val('a') || 0) * 100) / 255, 4));
      }
      /**
      * @param {external:jQuery} ui
      * @returns {void}
      */
      function expandableColorChanged (ui) {
        const hex = ui.val('hex');
        const va = ui.val('va');
        iconColor.css({backgroundColor: (hex && '#' + hex) || 'transparent'});
        setAlpha.call(that, iconAlpha, toFixedNumeric(((255 - ((va && va.a) || 0)) * 100) / 255, 4));
        if (settings.window.bindToInput && settings.window.updateInputColor) {
          settings.window.input.css({
            backgroundColor: (hex && '#' + hex) || 'transparent',
            color: isNullish(va) || va.v > 75 ? '#000000' : '#ffffff'
          });
        }
      }
      /**
      * @param {Event} e
      * @returns {void}
      */
      function moveBarMouseDown (e) {
        // const {element} = settings.window, // local copies for YUI compressor
        //     {page} = settings.window;
        elementStartX = Number.parseInt(container.css('left'));
        elementStartY = Number.parseInt(container.css('top'));
        pageStartX = e.pageX;
        pageStartY = e.pageY;
        // bind events to document to move window - we will unbind these on mouseup
        $(document).bind('mousemove', documentMouseMove).bind('mouseup', documentMouseUp);
        e.preventDefault(); // prevent attempted dragging of the column
      }
      /**
      * @param {Event} e
      * @returns {false}
      */
      function documentMouseMove (e) {
        container.css({
          left: elementStartX - (pageStartX - e.pageX) + 'px',
          top: elementStartY - (pageStartY - e.pageY) + 'px'
        });
        if (settings.window.expandable && !$.support.boxModel) {
          container.prev().css({
            left: container.css('left'),
            top: container.css('top')
          });
        }
        e.stopPropagation();
        e.preventDefault();
        return false;
      }
      /**
      * @param {Event} e
      * @returns {false}
      */
      function documentMouseUp (e) {
        $(document).unbind('mousemove', documentMouseMove).unbind('mouseup', documentMouseUp);
        e.stopPropagation();
        e.preventDefault();
        return false;
      }
      /**
      * @param {Event} e
      * @returns {false}
      */
      function quickPickClicked (e) {
        e.preventDefault();
        e.stopPropagation();
        color.active.val('ahex', $(this).attr('title') || null, e.target);
        return false;
      }
      /**
      *
      * @returns {void}
      */
      function show () {
        color.current.val('ahex', color.active.val('ahex'));
        /**
        *
        * @returns {void}
        */
        function attachIFrame () {
          if (!settings.window.expandable || $.support.boxModel) return;
          const table = container.find('table:first');
          container.before('<iframe/>');
          container.prev().css({
            width: table.width(),
            height: container.height(),
            opacity: 0,
            position: 'absolute',
            left: container.css('left'),
            top: container.css('top')
          });
        }
        if (settings.window.expandable) {
          $(document.body).children('div.jPicker.Container').css({zIndex: 10});
          container.css({zIndex: 20});
        }
        switch (settings.window.effects.type) {
        case 'fade':
          container.fadeIn(settings.window.effects.speed.show, attachIFrame);
          break;
        case 'slide':
          container.slideDown(settings.window.effects.speed.show, attachIFrame);
          break;
        case 'show':
        default:
          container.show(settings.window.effects.speed.show, attachIFrame);
          break;
        }
      }
      /**
      *
      * @returns {void}
      */
      function hide () {
        /**
        *
        * @returns {void}
        */
        function removeIFrame () {
          if (settings.window.expandable) container.css({zIndex: 10});
          if (!settings.window.expandable || $.support.boxModel) return;
          container.prev().remove();
        }
        switch (settings.window.effects.type) {
        case 'fade':
          container.fadeOut(settings.window.effects.speed.hide, removeIFrame);
          break;
        case 'slide':
          container.slideUp(settings.window.effects.speed.hide, removeIFrame);
          break;
        case 'show':
        default:
          container.hide(settings.window.effects.speed.hide, removeIFrame);
          break;
        }
      }
      /**
      *
      * @returns {void}
      */
      function initialize () {
        const win = settings.window,
          popup = win.expandable ? $(that).next().find('.Container:first') : null;
        container = win.expandable ? $('<div/>') : $(that);
        container.addClass('jPicker Container');
        if (win.expandable) container.hide();
        container.get(0).onselectstart = function (e) {
          if (e.target.nodeName.toLowerCase() !== 'input') return false;
          return true;
        };
        // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and
        // this control really is tabular data, so I believe it is the right move
        const all = color.active.val('all');
        if (win.alphaPrecision < 0) win.alphaPrecision = 0;
        else if (win.alphaPrecision > 2) win.alphaPrecision = 2;
        const controlHtml = `<table class="jPicker" cellpadding="0" cellspacing="0">
          <tbody>
            ${win.expandable ? '<tr><td class="Move" colspan="5">&nbsp;</td></tr>' : ''}
            <tr>
              <td rowspan="9"><h2 class="Title">${win.title || localization.text.title}</h2><div class="Map"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><img src="${images.clientPath + images.colorMap.arrow.file}" class="Arrow"/></div></td>
              <td rowspan="9"><div class="Bar"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><span class="Map4">&nbsp;</span><span class="Map5">&nbsp;</span><span class="Map6">&nbsp;</span><img src="${images.clientPath + images.colorBar.arrow.file}" class="Arrow"/></div></td>
              <td colspan="2" class="Preview">${localization.text.newColor}<div><span class="Active" title="${localization.tooltips.colors.newColor}">&nbsp;</span><span class="Current" title="${localization.tooltips.colors.currentColor}">&nbsp;</span></div>${localization.text.currentColor}</td>
              <td rowspan="9" class="Button"><input type="button" class="Ok" value="${localization.text.ok}" title="${localization.tooltips.buttons.ok}"/><input type="button" class="Cancel" value="${localization.text.cancel}" title="${localization.tooltips.buttons.cancel}"/><hr/><div class="Grid">&nbsp;</div></td>
            </tr>
            <tr class="Hue">
              <td class="Radio"><label title="${localization.tooltips.hue.radio}"><input type="radio" value="h"${settings.color.mode === 'h' ? ' checked="checked"' : ''}/>H:</label></td>
              <td class="Text"><input type="text" maxlength="3" value="${!isNullish(all) ? all.h : ''}" title="${localization.tooltips.hue.textbox}"/>&nbsp;&deg;</td>
            </tr>
            <tr class="Saturation">
              <td class="Radio"><label title="${localization.tooltips.saturation.radio}"><input type="radio" value="s"${settings.color.mode === 's' ? ' checked="checked"' : ''}/>S:</label></td>
              <td class="Text"><input type="text" maxlength="3" value="${!isNullish(all) ? all.s : ''}" title="${localization.tooltips.saturation.textbox}"/>&nbsp;%</td>
            </tr>
            <tr class="Value">
              <td class="Radio"><label title="${localization.tooltips.value.radio}"><input type="radio" value="v"${settings.color.mode === 'v' ? ' checked="checked"' : ''}/>V:</label><br/><br/></td>
              <td class="Text"><input type="text" maxlength="3" value="${!isNullish(all) ? all.v : ''}" title="${localization.tooltips.value.textbox}"/>&nbsp;%<br/><br/></td>
            </tr>
            <tr class="Red">
              <td class="Radio"><label title="${localization.tooltips.red.radio}"><input type="radio" value="r"${settings.color.mode === 'r' ? ' checked="checked"' : ''}/>R:</label></td>
              <td class="Text"><input type="text" maxlength="3" value="${!isNullish(all) ? all.r : ''}" title="${localization.tooltips.red.textbox}"/></td>
            </tr>
            <tr class="Green">
              <td class="Radio"><label title="${localization.tooltips.green.radio}"><input type="radio" value="g"${settings.color.mode === 'g' ? ' checked="checked"' : ''}/>G:</label></td>
              <td class="Text"><input type="text" maxlength="3" value="${!isNullish(all) ? all.g : ''}" title="${localization.tooltips.green.textbox}"/></td>
            </tr>
            <tr class="Blue">
              <td class="Radio"><label title="${localization.tooltips.blue.radio}"><input type="radio" value="b"${settings.color.mode === 'b' ? ' checked="checked"' : ''}/>B:</label></td>
              <td class="Text"><input type="text" maxlength="3" value="${!isNullish(all) ? all.b : ''}" title="${localization.tooltips.blue.textbox}"/></td>
            </tr>
            <tr class="Alpha">
              <td class="Radio">${win.alphaSupport ? `<label title="${localization.tooltips.alpha.radio}"><input type="radio" value="a"${settings.color.mode === 'a' ? ' checked="checked"' : ''}/>A:</label>` : '&nbsp;'}</td>
              <td class="Text">${win.alphaSupport ? `<input type="text" maxlength="${3 + win.alphaPrecision}" value="${!isNullish(all) ? toFixedNumeric((all.a * 100) / 255, win.alphaPrecision) : ''}" title="${localization.tooltips.alpha.textbox}"/>&nbsp;%` : '&nbsp;'}</td>
            </tr>
            <tr class="Hex">
              <td colspan="2" class="Text"><label title="${localization.tooltips.hex.textbox}">#:<input type="text" maxlength="6" class="Hex" value="${!isNullish(all) ? all.hex : ''}"/></label>${win.alphaSupport ? `<input type="text" maxlength="2" class="AHex" value="${!isNullish(all) ? all.ahex.substring(6) : ''}" title="${localization.tooltips.hex.alpha}"/></td>` : '&nbsp;'}
            </tr>
          </tbody></table>`;
        if (win.expandable) {
          container.html(controlHtml);
          if (!$(document.body).children('div.jPicker.Container').length) {
            $(document.body).prepend(container);
          } else {
            $(document.body).children('div.jPicker.Container:last').after(container);
          }
          container.mousedown(
            function () {
              $(document.body).children('div.jPicker.Container').css({zIndex: 10});
              container.css({zIndex: 20});
            }
          );
          container.css( // positions must be set and display set to absolute before source code injection or IE will size the container to fit the window
            {
              left:
                win.position.x === 'left'
                  ? (popup.offset().left - 530 - (win.position.y === 'center' ? 25 : 0)) + 'px'
                  : win.position.x === 'center'
                    ? (popup.offset().left - 260) + 'px'
                    : win.position.x === 'right'
                      ? (popup.offset().left - 10 + (win.position.y === 'center' ? 25 : 0)) + 'px'
                      : win.position.x === 'screenCenter'
                        ? (($(document).width() >> 1) - 260) + 'px'
                        : (popup.offset().left + Number.parseInt(win.position.x)) + 'px',
              position: 'absolute',
              top: win.position.y === 'top'
                ? (popup.offset().top - 312) + 'px'
                : win.position.y === 'center'
                  ? (popup.offset().top - 156) + 'px'
                  : win.position.y === 'bottom'
                    ? (popup.offset().top + 25) + 'px'
                    : (popup.offset().top + Number.parseInt(win.position.y)) + 'px'
            }
          );
        } else {
          container = $(that);
          container.html(controlHtml);
        }
        // initialize the objects to the source code just injected
        const tbody = container.find('tbody:first');
        colorMapDiv = tbody.find('div.Map:first');
        colorBarDiv = tbody.find('div.Bar:first');
        const MapMaps = colorMapDiv.find('span');
        const BarMaps = colorBarDiv.find('span');
        colorMapL1 = MapMaps.filter('.Map1:first');
        colorMapL2 = MapMaps.filter('.Map2:first');
        colorMapL3 = MapMaps.filter('.Map3:first');
        colorBarL1 = BarMaps.filter('.Map1:first');
        colorBarL2 = BarMaps.filter('.Map2:first');
        colorBarL3 = BarMaps.filter('.Map3:first');
        colorBarL4 = BarMaps.filter('.Map4:first');
        colorBarL5 = BarMaps.filter('.Map5:first');
        colorBarL6 = BarMaps.filter('.Map6:first');
        // create color pickers and maps
        colorMap = new Slider(
          colorMapDiv,
          {
            map: {
              width: images.colorMap.width,
              height: images.colorMap.height
            },
            arrow: {
              image: images.clientPath + images.colorMap.arrow.file,
              width: images.colorMap.arrow.width,
              height: images.colorMap.arrow.height
            }
          }
        );
        colorMap.bind(mapValueChanged);
        colorBar = new Slider(
          colorBarDiv,
          {
            map: {
              width: images.colorBar.width,
              height: images.colorBar.height
            },
            arrow: {
              image: images.clientPath + images.colorBar.arrow.file,
              width: images.colorBar.arrow.width,
              height: images.colorBar.arrow.height
            }
          }
        );
        colorBar.bind(colorBarValueChanged);
        colorPicker = new ColorValuePicker(
          tbody,
          color.active,
          win.expandable && win.bindToInput ? win.input : null,
          win.alphaPrecision
        );
        const hex = !isNullish(all) ? all.hex : null,
          preview = tbody.find('.Preview'),
          button = tbody.find('.Button');
        activePreview = preview.find('.Active:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});
        currentPreview = preview.find('.Current:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'}).bind('click', currentClicked);
        setAlpha.call(that, currentPreview, toFixedNumeric((color.current.val('a') * 100) / 255, 4));
        okButton = button.find('.Ok:first').bind('click', okClicked);
        cancelButton = button.find('.Cancel:first').bind('click', cancelClicked);
        grid = button.find('.Grid:first');
        setTimeout(function () {
          setImg.call(that, colorMapL1, images.clientPath + 'Maps.png');
          setImg.call(that, colorMapL2, images.clientPath + 'Maps.png');
          setImg.call(that, colorMapL3, images.clientPath + 'map-opacity.png');
          setImg.call(that, colorBarL1, images.clientPath + 'Bars.png');
          setImg.call(that, colorBarL2, images.clientPath + 'Bars.png');
          setImg.call(that, colorBarL3, images.clientPath + 'Bars.png');
          setImg.call(that, colorBarL4, images.clientPath + 'Bars.png');
          setImg.call(that, colorBarL5, images.clientPath + 'bar-opacity.png');
          setImg.call(that, colorBarL6, images.clientPath + 'AlphaBar.png');
          setImg.call(that, preview.find('div:first'), images.clientPath + 'preview-opacity.png');
        }, 0);
        tbody.find('td.Radio input').bind('click', radioClicked);
        // initialize quick list
        if (color.quickList && color.quickList.length > 0) {
          let html = '';
          for (let i = 0; i < color.quickList.length; i++) {
            /* if default colors are hex strings, change them to color objects */
            if ((typeof (color.quickList[i])).toString().toLowerCase() === 'string') {
              color.quickList[i] = new Color({hex: color.quickList[i]});
            }
            const alpha = color.quickList[i].val('a');
            let ahex = color.quickList[i].val('ahex');
            if (!win.alphaSupport && ahex) ahex = ahex.substring(0, 6) + 'ff';
            const quickHex = color.quickList[i].val('hex');
            if (!ahex) ahex = '00000000';
            html += '<span class="QuickColor"' + (' title="#' + ahex + '"') + ' style="background-color:' + ((quickHex && '#' + quickHex) || '') + ';' + (quickHex ? '' : 'background-image:url(' + images.clientPath + 'NoColor.png)') + (win.alphaSupport && alpha && alpha < 255 ? ';opacity:' + toFixedNumeric(alpha / 255, 4) + ';filter:Alpha(opacity=' + toFixedNumeric(alpha / 2.55, 4) + ')' : '') + '">&nbsp;</span>';
          }
          setImg.call(that, grid, images.clientPath + 'bar-opacity.png');
          grid.html(html);
          grid.find('.QuickColor').click(quickPickClicked);
        }
        setColorMode.call(that, settings.color.mode);
        color.active.bind(activeColorChanged);
        typeof liveCallback === 'function' && color.active.bind(liveCallback);
        color.current.bind(currentColorChanged);
        // bind to input
        if (win.expandable) {
          that.icon = popup.parents('.Icon:first');
          iconColor = that.icon.find('.Color:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});
          iconAlpha = that.icon.find('.Alpha:first');
          setImg.call(that, iconAlpha, images.clientPath + 'bar-opacity.png');
          setAlpha.call(that, iconAlpha, toFixedNumeric(((255 - (!isNullish(all) ? all.a : 0)) * 100) / 255, 4));
          iconImage = that.icon.find('.Image:first').css({
            backgroundImage: 'url(\'' + images.clientPath + images.picker.file + '\')'
          }).bind('click', iconImageClicked);
          if (win.bindToInput && win.updateInputColor) {
            win.input.css({
              backgroundColor: (hex && '#' + hex) || 'transparent',
              color: isNullish(all) || all.v > 75 ? '#000000' : '#ffffff'
            });
          }
          moveBar = tbody.find('.Move:first').bind('mousedown', moveBarMouseDown);
          color.active.bind(expandableColorChanged);
        } else show.call(that);
      }
      /**
      *
      * @returns {void}
      */
      function destroy () {
        container.find('td.Radio input').unbind('click', radioClicked);
        currentPreview.unbind('click', currentClicked);
        cancelButton.unbind('click', cancelClicked);
        okButton.unbind('click', okClicked);
        if (settings.window.expandable) {
          iconImage.unbind('click', iconImageClicked);
          moveBar.unbind('mousedown', moveBarMouseDown);
          that.icon = null;
        }
        container.find('.QuickColor').unbind('click', quickPickClicked);
        colorMapDiv = null;
        colorBarDiv = null;
        colorMapL1 = null;
        colorMapL2 = null;
        colorMapL3 = null;
        colorBarL1 = null;
        colorBarL2 = null;
        colorBarL3 = null;
        colorBarL4 = null;
        colorBarL5 = null;
        colorBarL6 = null;
        colorMap.destroy();
        colorMap = null;
        colorBar.destroy();
        colorBar = null;
        colorPicker.destroy();
        colorPicker = null;
        activePreview = null;
        currentPreview = null;
        okButton = null;
        cancelButton = null;
        grid = null;
        commitCallback = null;
        cancelCallback = null;
        liveCallback = null;
        container.html('');
        for (let i = 0; i < List.length; i++) {
          if (List[i] === that) {
            List.splice(i, 1);
            i--; // Decrement to ensure we don't miss next item (lgtm warning)
          }
        }
      }
      const {images, localization} = settings; // local copies for YUI compressor
      const color = {
        active: (typeof settings.color.active).toString().toLowerCase() === 'string'
          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active
            ? settings.color.active.substring(0, 6) + 'ff'
            : settings.color.active
          })
          : new Color({ahex: !settings.window.alphaSupport &&
              settings.color.active.val('ahex')
            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'
            : settings.color.active.val('ahex')
          }),
        current: (typeof settings.color.active).toString().toLowerCase() === 'string'
          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active
            ? settings.color.active.substring(0, 6) + 'ff'
            : settings.color.active})
          : new Color({ahex: !settings.window.alphaSupport &&
              settings.color.active.val('ahex')
            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'
            : settings.color.active.val('ahex')
          }),
        quickList: settings.color.quickList
      };

      if (typeof commitCallback !== 'function') {
        commitCallback = null;
      }
      if (typeof liveCallback !== 'function') {
        liveCallback = null;
      }
      if (typeof cancelCallback !== 'function') {
        cancelCallback = null;
      }

      let elementStartX = null, // Used to record the starting css positions for dragging the control
        elementStartY = null,
        pageStartX = null, // Used to record the mousedown coordinates for dragging the control
        pageStartY = null,
        container = null,
        colorMapDiv = null,
        colorBarDiv = null,
        colorMapL1 = null, // different layers of colorMap and colorBar
        colorMapL2 = null,
        colorMapL3 = null,
        colorBarL1 = null,
        colorBarL2 = null,
        colorBarL3 = null,
        colorBarL4 = null,
        colorBarL5 = null,
        colorBarL6 = null,
        colorMap = null, // color maps
        colorBar = null,
        colorPicker = null,
        activePreview = null, // color boxes above the radio buttons
        currentPreview = null,
        okButton = null,
        cancelButton = null,
        grid = null, // preset colors grid
        iconColor = null, // iconColor for popup icon
        iconAlpha = null, // iconAlpha for popup icon
        iconImage = null, // iconImage popup icon
        moveBar = null; // drag bar

      $.extend(true, that, {
        // public properties, methods, and callbacks
        commitCallback, // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks "OK"
        liveCallback, // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)
        cancelCallback, // cancelCallback function can be overridden to a method you specify when the user clicks "Cancel"
        color,
        show,
        hide,
        destroy // destroys this control entirely, removing all events and objects, and removing itself from the List
      });
      List.push(that);
      setTimeout(function () {
        initialize.call(that);
      }, 0);
    });
  };
  /**
  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsIconInfo
  * @property {string} file Color Map/Color Bar/Color Picker arrow icon
  * @property {Float} width
  * @property {Float} height
  */
  /**
  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsImagesDimensionsArrow
  * @property {Float} width
  * @property {Float} height
  * @property {external:jQuery.fn.jPickerOptionsIconInfo} arrow
  */
  /**
  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsRadioTextboxLocale
  * @property {string} radio
  * @property {string} textbox
  */
  /**
  * @typedef {PlainObject} external:jQuery.fn.jPickerOptions
  * @property {PlainObject} window
  * @property {string|null} window.title Any title for the jPicker window itself - displays
  * "Drag Markers To Pick A Color" if left null
  * @property {PlainObject} window.effects
  * @property {"slide"|"show"|"fade"} window.effects.type Effect used to show/hide an expandable picker
  * @property {PlainObject} window.effects.speed
  * @property {"fast"|"slow"|Float} window.effects.speed.show Duration of "show" effect. Time in milliseconds.
  * @property {"fast"|"slow"|Float} window.effects.speed.hide Duration of "hide" effect. Time in milliseconds
  * @property {PlainObject} window.position
  * @property {"left"|"center"|"right"|"screenCenter"|Float} window.position.x Relative px value
  * @property {"top"|"bottom"|"center"|Float} window.position.y Relative px value
  * @property {boolean} window.expandable Defaults to large static picker - set to `true` to make an expandable
  * picker (small icon with popup) - set automatically when binded to input element; added by `$.fn.jPicker`
  * @property {boolean} window.liveUpdate Set `false` if you want the user to have to click "OK" before the
  * binded input box updates values (always `true` for expandable picker)
  * @property {boolean} window.alphaSupport Set to `true` to enable alpha picking
  * @property {Float} window.alphaPrecision Set decimal precision for alpha percentage display - hex codes do
  * not map directly to percentage integers - range 0-2
  * @property {boolean} window.updateInputColor Set to `false` to prevent binded input colors from changing
  * @property {boolean} [window.bindToInput] Added by `$.fn.jPicker`
  * @property {external:jQuery} [window.input] Added by `$.fn.jPicker`
  * @property {PlainObject} color
  * @property {"h"|"s"|"v"|"r"|"g"|"b"|"a"} color.mode Symbols stand for "h" (hue), "s" (saturation), "v" (value), "r" (red), "g" (green), "b" (blue), "a" (alpha)
  * @property {Color|string} color.active Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the "#" prefix
  * @property {Color[]|string[]} color.quickList The quick pick color list
  * Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the "#" prefix
  * @property {PlainObject} images
  * @property {string} images.clientPath Path to image files
  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorMap
  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorBar
  * @property {external:jQuery.fn.jPickerOptionsIconInfo} images.picker
  * @property {PlainObject} localization alter these to change the text presented by the picker (e.g. different language)
  * @property {PlainObject} localization.text
  * @property {string} localization.text.title
  * @property {string} localization.text.newColor
  * @property {string} localization.text.currentColor
  * @property {string} localization.text.ok
  * @property {string} localization.text.cancel
  * @property {PlainObject} localization.tooltips
  * @property {PlainObject} localization.tooltips.colors
  * @property {string} localization.tooltips.colors.newColor
  * @property {string} localization.tooltips.colors.currentColor
  * @property {PlainObject} localization.tooltips.buttons
  * @property {string} localization.tooltips.buttons.ok
  * @property {string} localization.tooltips.buttons.cancel
  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.hue
  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.saturation
  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.value
  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.red
  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.green
  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.blue
  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.alpha
  * @property {PlainObject} localization.tooltips.hex
  * @property {string} localization.tooltips.hex.textbox
  * @property {string} localization.tooltips.hex.alpha
  */
  /**
  * The jPicker defaults - you can change anything in this section (such as the
  * clientPath to your images) without fear of breaking the program.
  * @namespace {external:jQuery.fn.jPickerOptions} defaults
  * @memberof external:jQuery.fn.$.fn.jPicker
  * @borrows external:jQuery.fn.jPickerOptions as external:jQuery.fn.jPicker.defaults
  * @see Source for all of the values
  */
  $.fn.jPicker.defaults = {
    window: {
      title: null,
      effects: {
        type: 'slide',
        speed: {
          show: 'slow',
          hide: 'fast'
        }
      },
      position: {
        x: 'screenCenter',
        y: 'top'
      },
      expandable: false,
      liveUpdate: true,
      alphaSupport: false,
      alphaPrecision: 0,
      updateInputColor: true
    },
    color: {
      mode: 'h',
      active: new Color({ahex: '#ffcc00ff'}),
      quickList: [
        new Color({h: 360, s: 33, v: 100}),
        new Color({h: 360, s: 66, v: 100}),
        new Color({h: 360, s: 100, v: 100}),
        new Color({h: 360, s: 100, v: 75}),
        new Color({h: 360, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 100}),
        new Color({h: 30, s: 33, v: 100}),
        new Color({h: 30, s: 66, v: 100}),
        new Color({h: 30, s: 100, v: 100}),
        new Color({h: 30, s: 100, v: 75}),
        new Color({h: 30, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 90}),
        new Color({h: 60, s: 33, v: 100}),
        new Color({h: 60, s: 66, v: 100}),
        new Color({h: 60, s: 100, v: 100}),
        new Color({h: 60, s: 100, v: 75}),
        new Color({h: 60, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 80}),
        new Color({h: 90, s: 33, v: 100}),
        new Color({h: 90, s: 66, v: 100}),
        new Color({h: 90, s: 100, v: 100}),
        new Color({h: 90, s: 100, v: 75}),
        new Color({h: 90, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 70}),
        new Color({h: 120, s: 33, v: 100}),
        new Color({h: 120, s: 66, v: 100}),
        new Color({h: 120, s: 100, v: 100}),
        new Color({h: 120, s: 100, v: 75}),
        new Color({h: 120, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 60}),
        new Color({h: 150, s: 33, v: 100}),
        new Color({h: 150, s: 66, v: 100}),
        new Color({h: 150, s: 100, v: 100}),
        new Color({h: 150, s: 100, v: 75}),
        new Color({h: 150, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 50}),
        new Color({h: 180, s: 33, v: 100}),
        new Color({h: 180, s: 66, v: 100}),
        new Color({h: 180, s: 100, v: 100}),
        new Color({h: 180, s: 100, v: 75}),
        new Color({h: 180, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 40}),
        new Color({h: 210, s: 33, v: 100}),
        new Color({h: 210, s: 66, v: 100}),
        new Color({h: 210, s: 100, v: 100}),
        new Color({h: 210, s: 100, v: 75}),
        new Color({h: 210, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 30}),
        new Color({h: 240, s: 33, v: 100}),
        new Color({h: 240, s: 66, v: 100}),
        new Color({h: 240, s: 100, v: 100}),
        new Color({h: 240, s: 100, v: 75}),
        new Color({h: 240, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 20}),
        new Color({h: 270, s: 33, v: 100}),
        new Color({h: 270, s: 66, v: 100}),
        new Color({h: 270, s: 100, v: 100}),
        new Color({h: 270, s: 100, v: 75}),
        new Color({h: 270, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 10}),
        new Color({h: 300, s: 33, v: 100}),
        new Color({h: 300, s: 66, v: 100}),
        new Color({h: 300, s: 100, v: 100}),
        new Color({h: 300, s: 100, v: 75}),
        new Color({h: 300, s: 100, v: 50}),
        new Color({h: 180, s: 0, v: 0}),
        new Color({h: 330, s: 33, v: 100}),
        new Color({h: 330, s: 66, v: 100}),
        new Color({h: 330, s: 100, v: 100}),
        new Color({h: 330, s: 100, v: 75}),
        new Color({h: 330, s: 100, v: 50}),
        new Color()
      ]
    },
    images: {
      clientPath: '/jPicker/images/',
      colorMap: {
        width: 256,
        height: 256,
        arrow: {
          file: 'mappoint.gif',
          width: 15,
          height: 15
        }
      },
      colorBar: {
        width: 20,
        height: 256,
        arrow: {
          file: 'rangearrows.gif',
          width: 20,
          height: 7
        }
      },
      picker: {
        file: 'picker.gif',
        width: 25,
        height: 24
      }
    },
    localization: {
      text: {
        title: 'Drag Markers To Pick A Color',
        newColor: 'new',
        currentColor: 'current',
        ok: 'OK',
        cancel: 'Cancel'
      },
      tooltips: {
        colors: {
          newColor: 'New Color - Press &ldquo;OK&rdquo; To Commit',
          currentColor: 'Click To Revert To Original Color'
        },
        buttons: {
          ok: 'Commit To This Color Selection',
          cancel: 'Cancel And Revert To Original Color'
        },
        hue: {
          radio: 'Set To &ldquo;Hue&rdquo; Color Mode',
          textbox: 'Enter A &ldquo;Hue&rdquo; Value (0-360&deg;)'
        },
        saturation: {
          radio: 'Set To &ldquo;Saturation&rdquo; Color Mode',
          textbox: 'Enter A &ldquo;Saturation&rdquo; Value (0-100%)'
        },
        value: {
          radio: 'Set To &ldquo;Value&rdquo; Color Mode',
          textbox: 'Enter A &ldquo;Value&rdquo; Value (0-100%)'
        },
        red: {
          radio: 'Set To &ldquo;Red&rdquo; Color Mode',
          textbox: 'Enter A &ldquo;Red&rdquo; Value (0-255)'
        },
        green: {
          radio: 'Set To &ldquo;Green&rdquo; Color Mode',
          textbox: 'Enter A &ldquo;Green&rdquo; Value (0-255)'
        },
        blue: {
          radio: 'Set To &ldquo;Blue&rdquo; Color Mode',
          textbox: 'Enter A &ldquo;Blue&rdquo; Value (0-255)'
        },
        alpha: {
          radio: 'Set To &ldquo;Alpha&rdquo; Color Mode',
          textbox: 'Enter A &ldquo;Alpha&rdquo; Value (0-100)'
        },
        hex: {
          textbox: 'Enter A &ldquo;Hex&rdquo; Color Value (#000000-#ffffff)',
          alpha: 'Enter A &ldquo;Alpha&rdquo; Value (#00-#ff)'
        }
      }
    }
  };
  return $;
};

export default jPicker;