/*!
* iro.js v5.5.2
* 2016-2021 James Daniel
* Licensed under MPL 2.0
* github.com/jaames/iro.js
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.iro = factory());
}(this, function () { 'use strict';
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function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) { descriptor.writable = true; }
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) { _defineProperties(Constructor.prototype, protoProps); }
if (staticProps) { _defineProperties(Constructor, staticProps); }
return Constructor;
}
function _extends() {
_extends = Object.assign || function (target) {
var arguments$1 = arguments;
for (var i = 1; i < arguments.length; i++) {
var source = arguments$1[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
return _extends.apply(this, arguments);
}
// Some regular expressions for rgb() and hsl() Colors are borrowed from tinyColor
// https://github.com/bgrins/TinyColor
// Kelvin temperature math borrowed from Neil Barlett's implementation
// from https://github.com/neilbartlett/color-temperature
// https://www.w3.org/TR/css3-values/#integers
var CSS_INTEGER = '[-\\+]?\\d+%?'; // http://www.w3.org/TR/css3-values/#number-value
var CSS_NUMBER = '[-\\+]?\\d*\\.\\d+%?'; // Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome
var CSS_UNIT = '(?:' + CSS_NUMBER + ')|(?:' + CSS_INTEGER + ')'; // Parse function params
// Parens and commas are optional, and this also allows for whitespace between numbers
var PERMISSIVE_MATCH_3 = '[\\s|\\(]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')\\s*\\)?';
var PERMISSIVE_MATCH_4 = '[\\s|\\(]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')[,|\\s]+(' + CSS_UNIT + ')\\s*\\)?'; // Regex patterns for functional color strings
var REGEX_FUNCTIONAL_RGB = new RegExp('rgb' + PERMISSIVE_MATCH_3);
var REGEX_FUNCTIONAL_RGBA = new RegExp('rgba' + PERMISSIVE_MATCH_4);
var REGEX_FUNCTIONAL_HSL = new RegExp('hsl' + PERMISSIVE_MATCH_3);
var REGEX_FUNCTIONAL_HSLA = new RegExp('hsla' + PERMISSIVE_MATCH_4); // Color string parsing regex
var HEX_START = '^(?:#?|0x?)';
var HEX_INT_SINGLE = '([0-9a-fA-F]{1})';
var HEX_INT_DOUBLE = '([0-9a-fA-F]{2})';
var REGEX_HEX_3 = new RegExp(HEX_START + HEX_INT_SINGLE + HEX_INT_SINGLE + HEX_INT_SINGLE + '$');
var REGEX_HEX_4 = new RegExp(HEX_START + HEX_INT_SINGLE + HEX_INT_SINGLE + HEX_INT_SINGLE + HEX_INT_SINGLE + '$');
var REGEX_HEX_6 = new RegExp(HEX_START + HEX_INT_DOUBLE + HEX_INT_DOUBLE + HEX_INT_DOUBLE + '$');
var REGEX_HEX_8 = new RegExp(HEX_START + HEX_INT_DOUBLE + HEX_INT_DOUBLE + HEX_INT_DOUBLE + HEX_INT_DOUBLE + '$'); // Kelvin temperature bounds
var KELVIN_MIN = 2000;
var KELVIN_MAX = 40000; // Math shorthands
var log = Math.log,
round = Math.round,
floor = Math.floor;
/**
* @desc Clamp a number between a min and max value
* @param num - input value
* @param min - min allowed value
* @param max - max allowed value
*/
function clamp(num, min, max) {
return Math.min(Math.max(num, min), max);
}
/**
* @desc Parse a css unit string - either regular int or a percentage number
* @param str - css unit string
* @param max - max unit value, used for calculating percentages
*/
function parseUnit(str, max) {
var isPercentage = str.indexOf('%') > -1;
var num = parseFloat(str);
return isPercentage ? max / 100 * num : num;
}
/**
* @desc Parse hex str to an int
* @param str - hex string to parse
*/
function parseHexInt(str) {
return parseInt(str, 16);
}
/**
* @desc Convert nunber into to 2-digit hex
* @param int - number to convert
*/
function intToHex(_int) {
return _int.toString(16).padStart(2, '0');
}
var IroColor =
/*#__PURE__*/
function () {
/**
* @constructor Color object
* @param value - initial color value
*/
function IroColor(value, onChange) {
// The default Color value
this.$ = {
h: 0,
s: 0,
v: 0,
a: 1
};
if (value) { this.set(value); } // The watch callback function for this Color will be stored here
this.onChange = onChange;
this.initialValue = _extends({}, this.$); // copy initial value
}
/**
* @desc Set the Color from any valid value
* @param value - new color value
*/
var _proto = IroColor.prototype;
_proto.set = function set(value) {
if (typeof value === 'string') {
if (/^(?:#?|0x?)[0-9a-fA-F]{3,8}$/.test(value)) {
this.hexString = value;
} else if (/^rgba?/.test(value)) {
this.rgbString = value;
} else if (/^hsla?/.test(value)) {
this.hslString = value;
}
} else if (typeof value === 'object') {
if (value instanceof IroColor) {
this.hsva = value.hsva;
} else if ('r' in value && 'g' in value && 'b' in value) {
this.rgb = value;
} else if ('h' in value && 's' in value && 'v' in value) {
this.hsv = value;
} else if ('h' in value && 's' in value && 'l' in value) {
this.hsl = value;
} else if ('kelvin' in value) {
this.kelvin = value.kelvin;
}
} else {
throw new Error('Invalid color value');
}
}
/**
* @desc Shortcut to set a specific channel value
* @param format - hsv | hsl | rgb
* @param channel - individual channel to set, for example if model = hsl, chanel = h | s | l
* @param value - new value for the channel
*/
;
_proto.setChannel = function setChannel(format, channel, value) {
var _extends2;
this[format] = _extends({}, this[format], (_extends2 = {}, _extends2[channel] = value, _extends2));
}
/**
* @desc Reset color back to its initial value
*/
;
_proto.reset = function reset() {
this.hsva = this.initialValue;
}
/**
* @desc make new Color instance with the same value as this one
*/
;
_proto.clone = function clone() {
return new IroColor(this);
}
/**
* @desc remove color onChange
*/
;
_proto.unbind = function unbind() {
this.onChange = undefined;
}
/**
* @desc Convert hsv object to rgb
* @param hsv - hsv color object
*/
;
IroColor.hsvToRgb = function hsvToRgb(hsv) {
var h = hsv.h / 60;
var s = hsv.s / 100;
var v = hsv.v / 100;
var i = floor(h);
var f = h - i;
var p = v * (1 - s);
var q = v * (1 - f * s);
var t = v * (1 - (1 - f) * s);
var mod = i % 6;
var r = [v, q, p, p, t, v][mod];
var g = [t, v, v, q, p, p][mod];
var b = [p, p, t, v, v, q][mod];
return {
r: clamp(r * 255, 0, 255),
g: clamp(g * 255, 0, 255),
b: clamp(b * 255, 0, 255)
};
}
/**
* @desc Convert rgb object to hsv
* @param rgb - rgb object
*/
;
IroColor.rgbToHsv = function rgbToHsv(rgb) {
var r = rgb.r / 255;
var g = rgb.g / 255;
var b = rgb.b / 255;
var max = Math.max(r, g, b);
var min = Math.min(r, g, b);
var delta = max - min;
var hue = 0;
var value = max;
var saturation = max === 0 ? 0 : delta / max;
switch (max) {
case min:
hue = 0; // achromatic
break;
case r:
hue = (g - b) / delta + (g < b ? 6 : 0);
break;
case g:
hue = (b - r) / delta + 2;
break;
case b:
hue = (r - g) / delta + 4;
break;
}
return {
h: hue * 60 % 360,
s: clamp(saturation * 100, 0, 100),
v: clamp(value * 100, 0, 100)
};
}
/**
* @desc Convert hsv object to hsl
* @param hsv - hsv object
*/
;
IroColor.hsvToHsl = function hsvToHsl(hsv) {
var s = hsv.s / 100;
var v = hsv.v / 100;
var l = (2 - s) * v;
var divisor = l <= 1 ? l : 2 - l; // Avoid division by zero when lightness is close to zero
var saturation = divisor < 1e-9 ? 0 : s * v / divisor;
return {
h: hsv.h,
s: clamp(saturation * 100, 0, 100),
l: clamp(l * 50, 0, 100)
};
}
/**
* @desc Convert hsl object to hsv
* @param hsl - hsl object
*/
;
IroColor.hslToHsv = function hslToHsv(hsl) {
var l = hsl.l * 2;
var s = hsl.s * (l <= 100 ? l : 200 - l) / 100; // Avoid division by zero when l + s is near 0
var saturation = l + s < 1e-9 ? 0 : 2 * s / (l + s);
return {
h: hsl.h,
s: clamp(saturation * 100, 0, 100),
v: clamp((l + s) / 2, 0, 100)
};
}
/**
* @desc Convert a kelvin temperature to an approx, RGB value
* @param kelvin - kelvin temperature
*/
;
IroColor.kelvinToRgb = function kelvinToRgb(kelvin) {
var temp = kelvin / 100;
var r, g, b;
if (temp < 66) {
r = 255;
g = -155.25485562709179 - 0.44596950469579133 * (g = temp - 2) + 104.49216199393888 * log(g);
b = temp < 20 ? 0 : -254.76935184120902 + 0.8274096064007395 * (b = temp - 10) + 115.67994401066147 * log(b);
} else {
r = 351.97690566805693 + 0.114206453784165 * (r = temp - 55) - 40.25366309332127 * log(r);
g = 325.4494125711974 + 0.07943456536662342 * (g = temp - 50) - 28.0852963507957 * log(g);
b = 255;
}
return {
r: clamp(floor(r), 0, 255),
g: clamp(floor(g), 0, 255),
b: clamp(floor(b), 0, 255)
};
}
/**
* @desc Convert an RGB color to an approximate kelvin temperature
* @param kelvin - kelvin temperature
*/
;
IroColor.rgbToKelvin = function rgbToKelvin(rgb) {
var r = rgb.r,
b = rgb.b;
var eps = 0.4;
var minTemp = KELVIN_MIN;
var maxTemp = KELVIN_MAX;
var temp;
while (maxTemp - minTemp > eps) {
temp = (maxTemp + minTemp) * 0.5;
var _rgb = IroColor.kelvinToRgb(temp);
if (_rgb.b / _rgb.r >= b / r) {
maxTemp = temp;
} else {
minTemp = temp;
}
}
return temp;
};
_createClass(IroColor, [{
key: "hsv",
get: function get() {
// value is cloned to allow changes to be made to the values before passing them back
var value = this.$;
return {
h: value.h,
s: value.s,
v: value.v
};
},
set: function set(newValue) {
var oldValue = this.$;
newValue = _extends({}, oldValue, newValue); // If this Color is being watched for changes we need to compare the new and old values to check the difference
// Otherwise we can just be lazy
if (this.onChange) {
// Compute changed values
var changes = {
h: false,
v: false,
s: false,
a: false
};
for (var key in oldValue) {
changes[key] = newValue[key] != oldValue[key];
}
this.$ = newValue; // If the value has changed, call hook callback
if (changes.h || changes.s || changes.v || changes.a) { this.onChange(this, changes); }
} else {
this.$ = newValue;
}
}
}, {
key: "hsva",
get: function get() {
return _extends({}, this.$);
},
set: function set(value) {
this.hsv = value;
}
}, {
key: "hue",
get: function get() {
return this.$.h;
},
set: function set(value) {
this.hsv = {
h: value
};
}
}, {
key: "saturation",
get: function get() {
return this.$.s;
},
set: function set(value) {
this.hsv = {
s: value
};
}
}, {
key: "value",
get: function get() {
return this.$.v;
},
set: function set(value) {
this.hsv = {
v: value
};
}
}, {
key: "alpha",
get: function get() {
return this.$.a;
},
set: function set(value) {
this.hsv = _extends({}, this.hsv, {
a: value
});
}
}, {
key: "kelvin",
get: function get() {
return IroColor.rgbToKelvin(this.rgb);
},
set: function set(value) {
this.rgb = IroColor.kelvinToRgb(value);
}
}, {
key: "red",
get: function get() {
var rgb = this.rgb;
return rgb.r;
},
set: function set(value) {
this.rgb = _extends({}, this.rgb, {
r: value
});
}
}, {
key: "green",
get: function get() {
var rgb = this.rgb;
return rgb.g;
},
set: function set(value) {
this.rgb = _extends({}, this.rgb, {
g: value
});
}
}, {
key: "blue",
get: function get() {
var rgb = this.rgb;
return rgb.b;
},
set: function set(value) {
this.rgb = _extends({}, this.rgb, {
b: value
});
}
}, {
key: "rgb",
get: function get() {
var _IroColor$hsvToRgb = IroColor.hsvToRgb(this.$),
r = _IroColor$hsvToRgb.r,
g = _IroColor$hsvToRgb.g,
b = _IroColor$hsvToRgb.b;
return {
r: round(r),
g: round(g),
b: round(b)
};
},
set: function set(value) {
this.hsv = _extends({}, IroColor.rgbToHsv(value), {
a: value.a === undefined ? 1 : value.a
});
}
}, {
key: "rgba",
get: function get() {
return _extends({}, this.rgb, {
a: this.alpha
});
},
set: function set(value) {
this.rgb = value;
}
}, {
key: "hsl",
get: function get() {
var _IroColor$hsvToHsl = IroColor.hsvToHsl(this.$),
h = _IroColor$hsvToHsl.h,
s = _IroColor$hsvToHsl.s,
l = _IroColor$hsvToHsl.l;
return {
h: round(h),
s: round(s),
l: round(l)
};
},
set: function set(value) {
this.hsv = _extends({}, IroColor.hslToHsv(value), {
a: value.a === undefined ? 1 : value.a
});
}
}, {
key: "hsla",
get: function get() {
return _extends({}, this.hsl, {
a: this.alpha
});
},
set: function set(value) {
this.hsl = value;
}
}, {
key: "rgbString",
get: function get() {
var rgb = this.rgb;
return "rgb(" + rgb.r + ", " + rgb.g + ", " + rgb.b + ")";
},
set: function set(value) {
var match;
var r,
g,
b,
a = 1;
if (match = REGEX_FUNCTIONAL_RGB.exec(value)) {
r = parseUnit(match[1], 255);
g = parseUnit(match[2], 255);
b = parseUnit(match[3], 255);
} else if (match = REGEX_FUNCTIONAL_RGBA.exec(value)) {
r = parseUnit(match[1], 255);
g = parseUnit(match[2], 255);
b = parseUnit(match[3], 255);
a = parseUnit(match[4], 1);
}
if (match) {
this.rgb = {
r: r,
g: g,
b: b,
a: a
};
} else {
throw new Error('Invalid rgb string');
}
}
}, {
key: "rgbaString",
get: function get() {
var rgba = this.rgba;
return "rgba(" + rgba.r + ", " + rgba.g + ", " + rgba.b + ", " + rgba.a + ")";
},
set: function set(value) {
this.rgbString = value;
}
}, {
key: "hexString",
get: function get() {
var rgb = this.rgb;
return "#" + intToHex(rgb.r) + intToHex(rgb.g) + intToHex(rgb.b);
},
set: function set(value) {
var match;
var r,
g,
b,
a = 255;
if (match = REGEX_HEX_3.exec(value)) {
r = parseHexInt(match[1]) * 17;
g = parseHexInt(match[2]) * 17;
b = parseHexInt(match[3]) * 17;
} else if (match = REGEX_HEX_4.exec(value)) {
r = parseHexInt(match[1]) * 17;
g = parseHexInt(match[2]) * 17;
b = parseHexInt(match[3]) * 17;
a = parseHexInt(match[4]) * 17;
} else if (match = REGEX_HEX_6.exec(value)) {
r = parseHexInt(match[1]);
g = parseHexInt(match[2]);
b = parseHexInt(match[3]);
} else if (match = REGEX_HEX_8.exec(value)) {
r = parseHexInt(match[1]);
g = parseHexInt(match[2]);
b = parseHexInt(match[3]);
a = parseHexInt(match[4]);
}
if (match) {
this.rgb = {
r: r,
g: g,
b: b,
a: a / 255
};
} else {
throw new Error('Invalid hex string');
}
}
}, {
key: "hex8String",
get: function get() {
var rgba = this.rgba;
return "#" + intToHex(rgba.r) + intToHex(rgba.g) + intToHex(rgba.b) + intToHex(floor(rgba.a * 255));
},
set: function set(value) {
this.hexString = value;
}
}, {
key: "hslString",
get: function get() {
var hsl = this.hsl;
return "hsl(" + hsl.h + ", " + hsl.s + "%, " + hsl.l + "%)";
},
set: function set(value) {
var match;
var h,
s,
l,
a = 1;
if (match = REGEX_FUNCTIONAL_HSL.exec(value)) {
h = parseUnit(match[1], 360);
s = parseUnit(match[2], 100);
l = parseUnit(match[3], 100);
} else if (match = REGEX_FUNCTIONAL_HSLA.exec(value)) {
h = parseUnit(match[1], 360);
s = parseUnit(match[2], 100);
l = parseUnit(match[3], 100);
a = parseUnit(match[4], 1);
}
if (match) {
this.hsl = {
h: h,
s: s,
l: l,
a: a
};
} else {
throw new Error('Invalid hsl string');
}
}
}, {
key: "hslaString",
get: function get() {
var hsla = this.hsla;
return "hsla(" + hsla.h + ", " + hsla.s + "%, " + hsla.l + "%, " + hsla.a + ")";
},
set: function set(value) {
this.hslString = value;
}
}]);
return IroColor;
}();
var sliderDefaultOptions = {
sliderShape: 'bar',
sliderType: 'value',
minTemperature: 2200,
maxTemperature: 11000
};
/**
* @desc Get the bounding dimensions of the slider
* @param props - slider props
*/
function getSliderDimensions(props) {
var _sliderSize;
var width = props.width,
sliderSize = props.sliderSize,
borderWidth = props.borderWidth,
handleRadius = props.handleRadius,
padding = props.padding,
sliderShape = props.sliderShape;
var ishorizontal = props.layoutDirection === 'horizontal'; // automatically calculate sliderSize if its not defined
sliderSize = (_sliderSize = sliderSize) != null ? _sliderSize : padding * 2 + handleRadius * 2;
if (sliderShape === 'circle') {
return {
handleStart: props.padding + props.handleRadius,
handleRange: width - padding * 2 - handleRadius * 2,
width: width,
height: width,
cx: width / 2,
cy: width / 2,
radius: width / 2 - borderWidth / 2
};
} else {
return {
handleStart: sliderSize / 2,
handleRange: width - sliderSize,
radius: sliderSize / 2,
x: 0,
y: 0,
width: ishorizontal ? sliderSize : width,
height: ishorizontal ? width : sliderSize
};
}
}
/**
* @desc Get the current slider value for a given color, as a percentage
* @param props - slider props
* @param color
*/
function getCurrentSliderValue(props, color) {
var hsva = color.hsva;
var rgb = color.rgb;
switch (props.sliderType) {
case 'red':
return rgb.r / 2.55;
case 'green':
return rgb.g / 2.55;
case 'blue':
return rgb.b / 2.55;
case 'alpha':
return hsva.a * 100;
case 'kelvin':
var minTemperature = props.minTemperature,
maxTemperature = props.maxTemperature;
var temperatureRange = maxTemperature - minTemperature;
var percent = (color.kelvin - minTemperature) / temperatureRange * 100; // clmap percentage
return Math.max(0, Math.min(percent, 100));
case 'hue':
return hsva.h /= 3.6;
case 'saturation':
return hsva.s;
case 'value':
default:
return hsva.v;
}
}
/**
* @desc Get the current slider value from user input
* @param props - slider props
* @param x - global input x position
* @param y - global input y position
*/
function getSliderValueFromInput(props, x, y) {
var _getSliderDimensions = getSliderDimensions(props),
handleRange = _getSliderDimensions.handleRange,
handleStart = _getSliderDimensions.handleStart;
var handlePos;
if (props.layoutDirection === 'horizontal') {
handlePos = -1 * y + handleRange + handleStart;
} else {
handlePos = x - handleStart;
} // clamp handle position
handlePos = Math.max(Math.min(handlePos, handleRange), 0);
var percent = Math.round(100 / handleRange * handlePos);
switch (props.sliderType) {
case 'kelvin':
var minTemperature = props.minTemperature,
maxTemperature = props.maxTemperature;
var temperatureRange = maxTemperature - minTemperature;
return minTemperature + temperatureRange * (percent / 100);
case 'alpha':
return percent / 100;
case 'hue':
return percent * 3.6;
case 'red':
case 'blue':
case 'green':
return percent * 2.55;
default:
return percent;
}
}
/**
* @desc Get the current handle position for a given color
* @param props - slider props
* @param color
*/
function getSliderHandlePosition(props, color) {
var _getSliderDimensions2 = getSliderDimensions(props),
width = _getSliderDimensions2.width,
height = _getSliderDimensions2.height,
handleRange = _getSliderDimensions2.handleRange,
handleStart = _getSliderDimensions2.handleStart;
var ishorizontal = props.layoutDirection === 'horizontal';
var sliderValue = getCurrentSliderValue(props, color);
var midPoint = ishorizontal ? width / 2 : height / 2;
var handlePos = handleStart + sliderValue / 100 * handleRange;
if (ishorizontal) {
handlePos = -1 * handlePos + handleRange + handleStart * 2;
}
return {
x: ishorizontal ? midPoint : handlePos,
y: ishorizontal ? handlePos : midPoint
};
}
/**
* @desc Get the gradient stops for a slider
* @param props - slider props
* @param color
*/
function getSliderGradient(props, color) {
var hsv = color.hsv;
var rgb = color.rgb;
switch (props.sliderType) {
case 'red':
return [[0, "rgb(" + 0 + "," + rgb.g + "," + rgb.b + ")"], [100, "rgb(" + 255 + "," + rgb.g + "," + rgb.b + ")"]];
case 'green':
return [[0, "rgb(" + rgb.r + "," + 0 + "," + rgb.b + ")"], [100, "rgb(" + rgb.r + "," + 255 + "," + rgb.b + ")"]];
case 'blue':
return [[0, "rgb(" + rgb.r + "," + rgb.g + "," + 0 + ")"], [100, "rgb(" + rgb.r + "," + rgb.g + "," + 255 + ")"]];
case 'alpha':
return [[0, "rgba(" + rgb.r + "," + rgb.g + "," + rgb.b + ",0)"], [100, "rgb(" + rgb.r + "," + rgb.g + "," + rgb.b + ")"]];
case 'kelvin':
var stops = [];
var min = props.minTemperature;
var max = props.maxTemperature;
var numStops = 8;
var range = max - min;
for (var kelvin = min, stop = 0; kelvin < max; kelvin += range / numStops, stop += 1) {
var _IroColor$kelvinToRgb = IroColor.kelvinToRgb(kelvin),
r = _IroColor$kelvinToRgb.r,
g = _IroColor$kelvinToRgb.g,
b = _IroColor$kelvinToRgb.b;
stops.push([100 / numStops * stop, "rgb(" + r + "," + g + "," + b + ")"]);
}
return stops;
case 'hue':
return [[0, '#f00'], [16.666, '#ff0'], [33.333, '#0f0'], [50, '#0ff'], [66.666, '#00f'], [83.333, '#f0f'], [100, '#f00']];
case 'saturation':
var noSat = IroColor.hsvToHsl({
h: hsv.h,
s: 0,
v: hsv.v
});
var fullSat = IroColor.hsvToHsl({
h: hsv.h,
s: 100,
v: hsv.v
});
return [[0, "hsl(" + noSat.h + "," + noSat.s + "%," + noSat.l + "%)"], [100, "hsl(" + fullSat.h + "," + fullSat.s + "%," + fullSat.l + "%)"]];
case 'value':
default:
var hsl = IroColor.hsvToHsl({
h: hsv.h,
s: hsv.s,
v: 100
});
return [[0, '#000'], [100, "hsl(" + hsl.h + "," + hsl.s + "%," + hsl.l + "%)"]];
}
}
var TAU = Math.PI * 2; // javascript's modulo operator doesn't produce positive numbers with negative input
// https://dev.to/maurobringolf/a-neat-trick-to-compute-modulo-of-negative-numbers-111e
var mod = function mod(a, n) {
return (a % n + n) % n;
}; // distance between points (x, y) and (0, 0)
var dist = function dist(x, y) {
return Math.sqrt(x * x + y * y);
};
/**
* @param props - wheel props
* @internal
*/
function getHandleRange(props) {
return props.width / 2 - props.padding - props.handleRadius - props.borderWidth;
}
/**
* Returns true if point (x, y) lands inside the wheel
* @param props - wheel props
* @param x
* @param y
*/
function isInputInsideWheel(props, x, y) {
var _getWheelDimensions = getWheelDimensions(props),
cx = _getWheelDimensions.cx,
cy = _getWheelDimensions.cy;
var r = props.width / 2;
return dist(cx - x, cy - y) < r;
}
/**
* @desc Get the point as the center of the wheel
* @param props - wheel props
*/
function getWheelDimensions(props) {
var r = props.width / 2;
return {
width: props.width,
radius: r - props.borderWidth,
cx: r,
cy: r
};
}
/**
* @desc Translate an angle according to wheelAngle and wheelDirection
* @param props - wheel props
* @param angle - input angle
*/
function translateWheelAngle(props, angle, invert) {
var wheelAngle = props.wheelAngle;
var wheelDirection = props.wheelDirection; // inverted and clockwisee
if (invert && wheelDirection === 'clockwise') { angle = wheelAngle + angle; } // clockwise (input handling)
else if (wheelDirection === 'clockwise') { angle = 360 - wheelAngle + angle; } // inverted and anticlockwise
else if (invert && wheelDirection === 'anticlockwise') { angle = wheelAngle + 180 - angle; } // anticlockwise (input handling)
else if (wheelDirection === 'anticlockwise') { angle = wheelAngle - angle; }
return mod(angle, 360);
}
/**
* @desc Get the current handle position for a given color
* @param props - wheel props
* @param color
*/
function getWheelHandlePosition(props, color) {
var hsv = color.hsv;
var _getWheelDimensions2 = getWheelDimensions(props),
cx = _getWheelDimensions2.cx,
cy = _getWheelDimensions2.cy;
var handleRange = getHandleRange(props);
var handleAngle = (180 + translateWheelAngle(props, hsv.h, true)) * (TAU / 360);
var handleDist = hsv.s / 100 * handleRange;
var direction = props.wheelDirection === 'clockwise' ? -1 : 1;
return {
x: cx + handleDist * Math.cos(handleAngle) * direction,
y: cy + handleDist * Math.sin(handleAngle) * direction
};
}
/**
* @desc Get the current wheel value from user input
* @param props - wheel props
* @param x - global input x position
* @param y - global input y position
*/
function getWheelValueFromInput(props, x, y) {
var _getWheelDimensions3 = getWheelDimensions(props),
cx = _getWheelDimensions3.cx,
cy = _getWheelDimensions3.cy;
var handleRange = getHandleRange(props);
x = cx - x;
y = cy - y; // Calculate the hue by converting the angle to radians
var hue = translateWheelAngle(props, Math.atan2(-y, -x) * (360 / TAU)); // Find the point's distance from the center of the wheel
// This is used to show the saturation level
var handleDist = Math.min(dist(x, y), handleRange);
return {
h: Math.round(hue),
s: Math.round(100 / handleRange * handleDist)
};
}
/**
* @desc Get the bounding dimensions of the box
* @param props - box props
*/
function getBoxDimensions(props) {
var width = props.width,
boxHeight = props.boxHeight,
padding = props.padding,
handleRadius = props.handleRadius;
return {
width: width,
height: boxHeight != null ? boxHeight : width,
radius: padding + handleRadius
};
}
/**
* @desc Get the current box value from user input
* @param props - box props
* @param x - global input x position
* @param y - global input y position
*/
function getBoxValueFromInput(props, x, y) {
var _getBoxDimensions = getBoxDimensions(props),
width = _getBoxDimensions.width,
height = _getBoxDimensions.height,
radius = _getBoxDimensions.radius;
var handleStart = radius;
var handleRangeX = width - radius * 2;
var handleRangeY = height - radius * 2;
var percentX = (x - handleStart) / handleRangeX * 100;
var percentY = (y - handleStart) / handleRangeY * 100;
return {
s: Math.max(0, Math.min(percentX, 100)),
v: Math.max(0, Math.min(100 - percentY, 100))
};
}
/**
* @desc Get the current box handle position for a given color
* @param props - box props
* @param color
*/
function getBoxHandlePosition(props, color) {
var _getBoxDimensions2 = getBoxDimensions(props),
width = _getBoxDimensions2.width,
height = _getBoxDimensions2.height,
radius = _getBoxDimensions2.radius;
var hsv = color.hsv;
var handleStart = radius;
var handleRangeX = width - radius * 2;
var handleRangeY = height - radius * 2;
return {
x: handleStart + hsv.s / 100 * handleRangeX,
y: handleStart + (handleRangeY - hsv.v / 100 * handleRangeY)
};
}
/**
* @desc Get the gradient stops for a box
* @param props - box props
* @param color
*/
function getBoxGradients(props, color) {
var hue = color.hue;
return [// saturation gradient
[[0, '#fff'], [100, "hsl(" + hue + ",100%,50%)"]], // lightness gradient
[[0, 'rgba(0,0,0,0)'], [100, '#000']]];
}
// Keep track of html <base> elements for resolveSvgUrl
// getElementsByTagName returns a live HTMLCollection, which stays in sync with the DOM tree
// So it only needs to be called once
var BASE_ELEMENTS;
/**
* @desc Resolve an SVG reference URL
* This is required to work around how Safari and iOS webviews handle gradient URLS under certain conditions
* If a page is using a client-side routing library which makes use of the HTML <base> tag,
* Safari won't be able to render SVG gradients properly (as they are referenced by URLs)
* More info on the problem:
* https://stackoverflow.com/questions/19742805/angular-and-svg-filters/19753427#19753427
* https://github.com/jaames/iro.js/issues/18
* https://github.com/jaames/iro.js/issues/45
* https://github.com/jaames/iro.js/pull/89
* @props url - SVG reference URL
*/
function resolveSvgUrl(url) {
if (!BASE_ELEMENTS) { BASE_ELEMENTS = document.getElementsByTagName('base'); } // Sniff useragent string to check if the user is running Safari
var ua = window.navigator.userAgent;
var isSafari = /^((?!chrome|android).)*safari/i.test(ua);
var isIos = /iPhone|iPod|iPad/i.test(ua);
var location = window.location;
return (isSafari || isIos) && BASE_ELEMENTS.length > 0 ? location.protocol + "//" + location.host + location.pathname + location.search + url : url;
}
/**
* @desc Given a specifc (x, y) position, test if there's a handle there and return its index, else return null.
* This is used for components like the box and wheel which support multiple handles when multicolor is active
* @props x - point x position
* @props y - point y position
* @props handlePositions - array of {x, y} coords for each handle
*/
function getHandleAtPoint(props, x, y, handlePositions) {
for (var i = 0; i < handlePositions.length; i++) {
var dX = handlePositions[i].x - x;
var dY = handlePositions[i].y - y;
var dist = Math.sqrt(dX * dX + dY * dY);
if (dist < props.handleRadius) {
return i;
}
}
return null;
}
function cssBorderStyles(props) {
return {
boxSizing: 'border-box',
border: props.borderWidth + "px solid " + props.borderColor
};
}
function cssGradient(type, direction, stops) {
return type + "-gradient(" + direction + ", " + stops.map(function (_ref) {
var o = _ref[0],
col = _ref[1];
return col + " " + o + "%";
}).join(',') + ")";
}
function cssValue(value) {
if (typeof value === 'string') { return value; }
return value + "px";
}
var iroColorPickerOptionDefaults = {
width: 300,
height: 300,
color: '#fff',
colors: [],
padding: 6,
layoutDirection: 'vertical',
borderColor: '#fff',
borderWidth: 0,
handleRadius: 8,
activeHandleRadius: null,
handleSvg: null,
handleProps: {
x: 0,
y: 0
},
wheelLightness: true,
wheelAngle: 0,
wheelDirection: 'anticlockwise',
sliderSize: null,
sliderMargin: 12,
boxHeight: null
};
var SECONDARY_EVENTS = ["mousemove" /* MouseMove */, "touchmove" /* TouchMove */, "mouseup" /* MouseUp */, "touchend" /* TouchEnd */];
// Base component class for iro UI components
// This extends the Preact component class to allow them to react to mouse/touch input events by themselves
var IroComponentWrapper = /*@__PURE__*/(function (Component) {
function IroComponentWrapper(props) {
Component.call(this, props);
// Generate unique ID for the component
// This can be used to generate unique IDs for gradients, etc
this.uid = (Math.random() + 1).toString(36).substring(5);
}
if ( Component ) IroComponentWrapper.__proto__ = Component;
IroComponentWrapper.prototype = Object.create( Component && Component.prototype );
IroComponentWrapper.prototype.constructor = IroComponentWrapper;
IroComponentWrapper.prototype.render = function render (props) {
var eventHandler = this.handleEvent.bind(this);
var rootProps = {
onMouseDown: eventHandler,
// https://github.com/jaames/iro.js/issues/126
// https://github.com/preactjs/preact/issues/2113#issuecomment-553408767
ontouchstart: eventHandler,
};
var isHorizontal = props.layoutDirection === 'horizontal';
var margin = props.margin === null ? props.sliderMargin : props.margin;
var rootStyles = {
overflow: 'visible',
display: isHorizontal ? 'inline-block' : 'block'
};
// first component shouldn't have any margin
if (props.index > 0) {
rootStyles[isHorizontal ? 'marginLeft' : 'marginTop'] = margin;
}
return (h(d, null, props.children(this.uid, rootProps, rootStyles)));
};
// More info on handleEvent:
// https://medium.com/@WebReflection/dom-handleevent-a-cross-platform-standard-since-year-2000-5bf17287fd38
// TL;DR this lets us have a single point of entry for multiple events, and we can avoid callback/binding hell
IroComponentWrapper.prototype.handleEvent = function handleEvent (e) {
var this$1 = this;
var inputHandler = this.props.onInput;
// Get the screen position of the component
var bounds = this.base.getBoundingClientRect();
// Prefect default browser action
e.preventDefault();
// Detect if the event is a touch event by checking if it has the `touches` property
// If it is a touch event, use the first touch input
var point = e.touches ? e.changedTouches[0] : e;
var x = point.clientX - bounds.left;
var y = point.clientY - bounds.top;
switch (e.type) {
case "mousedown" /* MouseDown */:
case "touchstart" /* TouchStart */:
var result = inputHandler(x, y, 0 /* Start */);
if (result !== false) {
SECONDARY_EVENTS.forEach(function (event) {
document.addEventListener(event, this$1, { passive: false });
});
}
break;
case "mousemove" /* MouseMove */:
case "touchmove" /* TouchMove */:
inputHandler(x, y, 1 /* Move */);
break;
case "mouseup" /* MouseUp */:
case "touchend" /* TouchEnd */:
inputHandler(x, y, 2 /* End */);
SECONDARY_EVENTS.forEach(function (event) {
document.removeEventListener(event, this$1, { passive: false });
});
break;
}
};
return IroComponentWrapper;
}(m));
function IroHandle(props) {
var radius = props.r;
var url = props.url;
var cx = radius;
var cy = radius;
return (h("svg", { className: ("IroHandle IroHandle--" + (props.index) + " " + (props.isActive ? 'IroHandle--isActive' : '')), style: {
'-webkit-tap-highlight-color': 'rgba(0, 0, 0, 0);',
transform: ("translate(" + (cssValue(props.x)) + ", " + (cssValue(props.y)) + ")"),
willChange: 'transform',
top: cssValue(-radius),
left: cssValue(-radius),
width: cssValue(radius * 2),
height: cssValue(radius * 2),
position: 'absolute',
overflow: 'visible'
} },
url && (h("use", Object.assign({ xlinkHref: resolveSvgUrl(url) }, props.props))),
!url && (h("circle", { cx: cx, cy: cy, r: radius, fill: "none", "stroke-width": 2, stroke: "#000" })),
!url && (h("circle", { cx: cx, cy: cy, r: radius - 2, fill: props.fill, "stroke-width": 2, stroke: "#fff" }))));
}
IroHandle.defaultProps = {
fill: 'none',
x: 0,
y: 0,
r: 8,
url: null,
props: { x: 0, y: 0 }
};
function IroSlider(props) {
var activeIndex = props.activeIndex;
var activeColor = (activeIndex !== undefined && activeIndex < props.colors.length) ? props.colors[activeIndex] : props.color;
var ref = getSliderDimensions(props);
var width = ref.width;
var height = ref.height;
var radius = ref.radius;
var handlePos = getSliderHandlePosition(props, activeColor);
var gradient = getSliderGradient(props, activeColor);
function handleInput(x, y, type) {
var value = getSliderValueFromInput(props, x, y);
props.parent.inputActive = true;
activeColor[props.sliderType] = value;
props.onInput(type, props.id);
}
return (h(IroComponentWrapper, Object.assign({}, props, { onInput: handleInput }), function (uid, rootProps, rootStyles) { return (h("div", Object.assign({}, rootProps, { className: "IroSlider", style: Object.assign({}, {position: 'relative',
width: cssValue(width),
height: cssValue(height),
borderRadius: cssValue(radius),
// checkered bg to represent alpha
background: "conic-gradient(#ccc 25%, #fff 0 50%, #ccc 0 75%, #fff 0)",
backgroundSize: '8px 8px'},
rootStyles) }),
h("div", { className: "IroSliderGradient", style: Object.assign({}, {position: 'absolute',
top: 0,
left: 0,
width: "100%",
height: "100%",
borderRadius: cssValue(radius),
background: cssGradient('linear', props.layoutDirection === 'horizontal' ? 'to top' : 'to right', gradient)},
cssBorderStyles(props)) }),
h(IroHandle, { isActive: true, index: activeColor.index, r: props.handleRadius, url: props.handleSvg, props: props.handleProps, x: handlePos.x, y: handlePos.y }))); }));
}
IroSlider.defaultProps = Object.assign({}, sliderDefaultOptions);
function IroBox(props) {
var ref = getBoxDimensions(props);
var width = ref.width;
var height = ref.height;
var radius = ref.radius;
var colors = props.colors;
var colorPicker = props.parent;
var activeIndex = props.activeIndex;
var activeColor = (activeIndex !== undefined && activeIndex < props.colors.length) ? props.colors[activeIndex] : props.color;
var gradients = getBoxGradients(props, activeColor);
var handlePositions = colors.map(function (color) { return getBoxHandlePosition(props, color); });
function handleInput(x, y, inputType) {
if (inputType === 0 /* Start */) {
// getHandleAtPoint() returns the index for the handle if the point 'hits' it, or null otherwise
var activeHandle = getHandleAtPoint(props, x, y, handlePositions);
// If the input hit a handle, set it as the active handle, but don't update the color
if (activeHandle !== null) {
colorPicker.setActiveColor(activeHandle);
}
// If the input didn't hit a handle, set the currently active handle to that position
else {
colorPicker.inputActive = true;
activeColor.hsv = getBoxValueFromInput(props, x, y);
props.onInput(inputType, props.id);
}
}
// move is fired when the user has started dragging
else if (inputType === 1 /* Move */) {
colorPicker.inputActive = true;
activeColor.hsv = getBoxValueFromInput(props, x, y);
}
// let the color picker fire input:start, input:move or input:end events
props.onInput(inputType, props.id);
}
return (h(IroComponentWrapper, Object.assign({}, props, { onInput: handleInput }), function (uid, rootProps, rootStyles) { return (h("div", Object.assign({}, rootProps, { className: "IroBox", style: Object.assign({}, {width: cssValue(width),
height: cssValue(height),
position: 'relative'},
rootStyles) }),
h("div", { className: "IroBox", style: Object.assign({}, {width: '100%',
height: '100%',
borderRadius: cssValue(radius)},
cssBorderStyles(props),
{background: cssGradient('linear', 'to bottom', gradients[1])
+ ',' +
cssGradient('linear', 'to right', gradients[0])}) }),
colors.filter(function (color) { return color !== activeColor; }).map(function (color) { return (h(IroHandle, { isActive: false, index: color.index, fill: color.hslString, r: props.handleRadius, url: props.handleSvg, props: props.handleProps, x: handlePositions[color.index].x, y: handlePositions[color.index].y })); }),
h(IroHandle, { isActive: true, index: activeColor.index, fill: activeColor.hslString, r: props.activeHandleRadius || props.handleRadius, url: props.handleSvg, props: props.handleProps, x: handlePositions[activeColor.index].x, y: handlePositions[activeColor.index].y }))); }));
}
var HUE_GRADIENT_CLOCKWISE = 'conic-gradient(red, yellow, lime, aqua, blue, magenta, red)';
var HUE_GRADIENT_ANTICLOCKWISE = 'conic-gradient(red, magenta, blue, aqua, lime, yellow, red)';
function IroWheel(props) {
var ref = getWheelDimensions(props);
var width = ref.width;
var colors = props.colors;
var borderWidth = props.borderWidth;
var colorPicker = props.parent;
var activeColor = props.color;
var hsv = activeColor.hsv;
var handlePositions = colors.map(function (color) { return getWheelHandlePosition(props, color); });
var circleStyles = {
position: 'absolute',
top: 0,
left: 0,
width: '100%',
height: '100%',
borderRadius: '50%',
boxSizing: 'border-box'
};
function handleInput(x, y, inputType) {
if (inputType === 0 /* Start */) {
// input hitbox is a square,
// so we want to ignore any initial clicks outside the circular shape of the wheel
if (!isInputInsideWheel(props, x, y)) {
// returning false will cease all event handling for this interaction
return false;
}
// getHandleAtPoint() returns the index for the handle if the point 'hits' it, or null otherwise
var activeHandle = getHandleAtPoint(props, x, y, handlePositions);
// If the input hit a handle, set it as the active handle, but don't update the color
if (activeHandle !== null) {
colorPicker.setActiveColor(activeHandle);
}
// If the input didn't hit a handle, set the currently active handle to that position
else {
colorPicker.inputActive = true;
activeColor.hsv = getWheelValueFromInput(props, x, y);
props.onInput(inputType, props.id);
}
}
// move is fired when the user has started dragging
else if (inputType === 1 /* Move */) {
colorPicker.inputActive = true;
activeColor.hsv = getWheelValueFromInput(props, x, y);
}
// let the color picker fire input:start, input:move or input:end events
props.onInput(inputType, props.id);
}
return (h(IroComponentWrapper, Object.assign({}, props, { onInput: handleInput }), function (uid, rootProps, rootStyles) { return (h("div", Object.assign({}, rootProps, { className: "IroWheel", style: Object.assign({}, {width: cssValue(width),
height: cssValue(width),
position: 'relative'},
rootStyles) }),
h("div", { className: "IroWheelHue", style: Object.assign({}, circleStyles,
{transform: ("rotateZ(" + (props.wheelAngle + 90) + "deg)"),
background: props.wheelDirection === 'clockwise' ? HUE_GRADIENT_CLOCKWISE : HUE_GRADIENT_ANTICLOCKWISE}) }),
h("div", { className: "IroWheelSaturation", style: Object.assign({}, circleStyles,
{background: 'radial-gradient(circle closest-side, #fff, transparent)'}) }),
props.wheelLightness && (h("div", { className: "IroWheelLightness", style: Object.assign({}, circleStyles,
{background: '#000',
opacity: 1 - hsv.v / 100}) })),
h("div", { className: "IroWheelBorder", style: Object.assign({}, circleStyles,
cssBorderStyles(props)) }),
colors.filter(function (color) { return color !== activeColor; }).map(function (color) { return (h(IroHandle, { isActive: false, index: color.index, fill: color.hslString, r: props.handleRadius, url: props.handleSvg, props: props.handleProps, x: handlePositions[color.index].x, y: handlePositions[color.index].y })); }),
h(IroHandle, { isActive: true, index: activeColor.index, fill: activeColor.hslString, r: props.activeHandleRadius || props.handleRadius, url: props.handleSvg, props: props.handleProps, x: handlePositions[activeColor.index].x, y: handlePositions[activeColor.index].y }))); }));
}
function createWidget(WidgetComponent) {
var widgetFactory = function (parent, props) {
var widget; // will become an instance of the widget component class
var widgetRoot = document.createElement('div');
// Render widget into a temp DOM node
I(h(WidgetComponent, Object.assign({}, {ref: function (ref) { return widget = ref; }},
props)), widgetRoot);
function mountWidget() {
var container = parent instanceof Element ? parent : document.querySelector(parent);
container.appendChild(widget.base);
widget.onMount(container);
}
// Mount it into the DOM when the page document is ready
if (document.readyState !== 'loading') {
mountWidget();
}
else {
document.addEventListener('DOMContentLoaded', mountWidget);
}
return widget;
};
// Allow the widget factory to inherit component prototype + static class methods
// This makes it easier for plugin authors to extend the base widget component
widgetFactory.prototype = WidgetComponent.prototype;
Object.assign(widgetFactory, WidgetComponent);
// Add reference to base component too
widgetFactory.__component = WidgetComponent;
return widgetFactory;
}
var IroColorPicker = /*@__PURE__*/(function (Component) {
function IroColorPicker(props) {
var this$1 = this;
Component.call(this, props);
this.colors = [];
this.inputActive = false;
this.events = {};
this.activeEvents = {};
this.deferredEvents = {};
this.id = props.id;
var colors = props.colors.length > 0 ? props.colors : [props.color];
colors.forEach(function (colorValue) { return this$1.addColor(colorValue); });
this.setActiveColor(0);
// Pass all the props into the component's state,
// Except we want to add the color object and make sure that refs aren't passed down to children
this.state = Object.assign({}, props,
{color: this.color,
colors: this.colors,
layout: props.layout});
}
if ( Component ) IroColorPicker.__proto__ = Component;
IroColorPicker.prototype = Object.create( Component && Component.prototype );
IroColorPicker.prototype.constructor = IroColorPicker;
// Plubic multicolor API
/**
* @desc Add a color to the color picker
* @param color new color to add
* @param index optional color index
*/
IroColorPicker.prototype.addColor = function addColor (color, index) {
if ( index === void 0 ) index = this.colors.length;
// Create a new iro.Color
// Also bind it to onColorChange, so whenever the color changes it updates the color picker
var newColor = new IroColor(color, this.onColorChange.bind(this));
// Insert color @ the given index
this.colors.splice(index, 0, newColor);
// Reindex colors
this.colors.forEach(function (color, index) { return color.index = index; });
// Update picker state if necessary
if (this.state) {
this.setState({ colors: this.colors });
}
// Fire color init event
this.deferredEmit('color:init', newColor);
};
/**
* @desc Remove a color from the color picker
* @param index color index
*/
IroColorPicker.prototype.removeColor = function removeColor (index) {
var color = this.colors.splice(index, 1)[0];
// Destroy the color object -- this unbinds it from the color picker
color.unbind();
// Reindex colors
this.colors.forEach(function (color, index) { return color.index = index; });
// Update picker state if necessary
if (this.state) {
this.setState({ colors: this.colors });
}
// If the active color was removed, default active color to 0
if (color.index === this.color.index) {
this.setActiveColor(0);
}
// Fire color remove event
this.emit('color:remove', color);
};
/**
* @desc Set the currently active color
* @param index color index
*/
IroColorPicker.prototype.setActiveColor = function setActiveColor (index) {
this.color = this.colors[index];
if (this.state) {
this.setState({ color: this.color });
}
// Fire color switch event
this.emit('color:setActive', this.color);
};
/**
* @desc Replace all of the current colorPicker colors
* @param newColorValues list of new colors to add
*/
IroColorPicker.prototype.setColors = function setColors (newColorValues, activeColorIndex) {
var this$1 = this;
if ( activeColorIndex === void 0 ) activeColorIndex = 0;
// Unbind color events
this.colors.forEach(function (color) { return color.unbind(); });
// Destroy old colors
this.colors = [];
// Add new colors
newColorValues.forEach(function (colorValue) { return this$1.addColor(colorValue); });
// Reset active color
this.setActiveColor(activeColorIndex);
this.emit('color:setAll', this.colors);
};
// Public ColorPicker events API
/**
* @desc Set a callback function for an event
* @param eventList event(s) to listen to
* @param callback - Function called when the event is fired
*/
IroColorPicker.prototype.on = function on (eventList, callback) {
var this$1 = this;
var events = this.events;
// eventList can be an eventType string or an array of eventType strings
(!Array.isArray(eventList) ? [eventList] : eventList).forEach(function (eventType) {
// Add event callback
(events[eventType] || (events[eventType] = [])).push(callback);
// Call deferred events
// These are events that can be stored until a listener for them is added
if (this$1.deferredEvents[eventType]) {
// Deffered events store an array of arguments from when the event was called
this$1.deferredEvents[eventType].forEach(function (args) {
callback.apply(null, args);
});
// Clear deferred events
this$1.deferredEvents[eventType] = [];
}
});
};
/**
* @desc Remove a callback function for an event added with on()
* @param eventList - event(s) to listen to
* @param callback - original callback function to remove
*/
IroColorPicker.prototype.off = function off (eventList, callback) {
var this$1 = this;
(!Array.isArray(eventList) ? [eventList] : eventList).forEach(function (eventType) {
var callbackList = this$1.events[eventType];
// this.emitHook('event:off', eventType, callback);
if (callbackList)
{ callbackList.splice(callbackList.indexOf(callback), 1); }
});
};
/**
* @desc Emit an event
* @param eventType event to emit
*/
IroColorPicker.prototype.emit = function emit (eventType) {
var this$1 = this;
var args = [], len = arguments.length - 1;
while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
var activeEvents = this.activeEvents;
var isEventActive = activeEvents.hasOwnProperty(eventType) ? activeEvents[eventType] : false;
// Prevent event callbacks from firing if the event is already active
// This stops infinite loops if something in an event callback causes the same event to be fired again
// (e.g. setting the color inside a color:change callback)
if (!isEventActive) {
activeEvents[eventType] = true;
var callbackList = this.events[eventType] || [];
callbackList.forEach(function (fn) { return fn.apply(this$1, args); });
activeEvents[eventType] = false;
}
};
/**
* @desc Emit an event now, or save it for when the relevent event listener is added
* @param eventType - The name of the event to emit
*/
IroColorPicker.prototype.deferredEmit = function deferredEmit (eventType) {
var ref;
var args = [], len = arguments.length - 1;
while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
var deferredEvents = this.deferredEvents;
(ref = this).emit.apply(ref, [ eventType ].concat( args ));
(deferredEvents[eventType] || (deferredEvents[eventType] = [])).push(args);
};
// Public utility methods
IroColorPicker.prototype.setOptions = function setOptions (newOptions) {
this.setState(newOptions);
};
/**
* @desc Resize the color picker
* @param width - new width
*/
IroColorPicker.prototype.resize = function resize (width) {
this.setOptions({ width: width });
};
/**
* @desc Reset the color picker to the initial color provided in the color picker options
*/
IroColorPicker.prototype.reset = function reset () {
this.colors.forEach(function (color) { return color.reset(); });
this.setState({ colors: this.colors });
};
/**
* @desc Called by the createWidget wrapper when the element is mounted into the page
* @param container - the container element for this ColorPicker instance
*/
IroColorPicker.prototype.onMount = function onMount (container) {
this.el = container;
this.deferredEmit('mount', this);
};
// Internal methods
/**
* @desc React to a color update
* @param color - current color
* @param changes - shows which h,s,v,a color channels changed
*/
IroColorPicker.prototype.onColorChange = function onColorChange (color, changes) {
this.setState({ color: this.color });
if (this.inputActive) {
this.inputActive = false;
this.emit('input:change', color, changes);
}
this.emit('color:change', color, changes);
};
/**
* @desc Handle input from a UI control element
* @param type - event type
*/
IroColorPicker.prototype.emitInputEvent = function emitInputEvent (type, originId) {
if (type === 0 /* Start */) {
this.emit('input:start', this.color, originId);
}
else if (type === 1 /* Move */) {
this.emit('input:move', this.color, originId);
}
else if (type === 2 /* End */) {
this.emit('input:end', this.color, originId);
}
};
IroColorPicker.prototype.render = function render (props, state) {
var this$1 = this;
var layout = state.layout;
// use layout shorthands
if (!Array.isArray(layout)) {
switch (layout) {
// TODO: implement some?
default:
layout = [
{ component: IroWheel },
{ component: IroSlider } ];
}
// add transparency slider to the layout
if (state.transparency) {
layout.push({
component: IroSlider,
options: {
sliderType: 'alpha'
}
});
}
}
return (h("div", { class: "IroColorPicker", id: state.id, style: {
display: state.display
} }, layout.map(function (ref, componentIndex) {
var UiComponent = ref.component;
var options = ref.options;
return (h(UiComponent, Object.assign({}, state, options, { ref: undefined, onInput: this$1.emitInputEvent.bind(this$1), parent: this$1, index: componentIndex })));
})));
};
return IroColorPicker;
}(m));
IroColorPicker.defaultProps = Object.assign({}, iroColorPickerOptionDefaults,
{colors: [],
display: 'block',
id: null,
layout: 'default',
margin: null});
var IroColorPickerWidget = createWidget(IroColorPicker);
var iro;
(function (iro) {
iro.version = "5.5.2"; // replaced by @rollup/plugin-replace; see rollup.config.js
iro.Color = IroColor;
iro.ColorPicker = IroColorPickerWidget;
var ui;
(function (ui) {
ui.h = h;
ui.ComponentBase = IroComponentWrapper;
ui.Handle = IroHandle;
ui.Slider = IroSlider;
ui.Wheel = IroWheel;
ui.Box = IroBox;
})(ui = iro.ui || (iro.ui = {}));
})(iro || (iro = {}));
var iro$1 = iro;
return iro$1;
}));