mirror of
https://github.com/BetterSEQTA/BetterSEQTA-Plus.git
synced 2026-06-05 19:24:39 +00:00
add webpack to organize code
This commit is contained in:
Seth Burkart
@@ -0,0 +1,961 @@
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/*!
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* Copyright (c) 2021 Momo Bassit.
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* Licensed under the MIT License (MIT)
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* https://github.com/mdbassit/Coloris
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*/
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((window, document, Math) => {
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const ctx = document.createElement('canvas').getContext('2d');
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const currentColor = { r: 0, g: 0, b: 0, h: 0, s: 0, v: 0, a: 1 };
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let picker, colorArea, colorAreaDims, colorMarker, colorPreview, colorValue, clearButton,
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hueSlider, hueMarker, alphaSlider, alphaMarker, currentEl, currentFormat, oldColor;
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// Default settings
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const settings = {
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el: '.coloris',
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parent: null,
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theme: 'default',
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themeMode: 'light',
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wrap: true,
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margin: 2,
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format: 'hex',
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formatToggle: false,
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swatches: [],
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swatchesOnly: false,
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alpha: true,
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focusInput: true,
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autoClose: false,
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clearButton: {
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show: false,
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label: 'Clear'
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},
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a11y: {
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open: 'Open color picker',
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close: 'Close color picker',
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marker: 'Saturation: {s}. Brightness: {v}.',
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hueSlider: 'Hue slider',
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alphaSlider: 'Opacity slider',
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input: 'Color value field',
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format: 'Color format',
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swatch: 'Color swatch',
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instruction: 'Saturation and brightness selector. Use up, down, left and right arrow keys to select.'
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}
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};
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/**
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* Configure the color picker.
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* @param {object} options Configuration options.
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*/
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function configure(options) {
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if (typeof options !== 'object') {
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return;
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}
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for (const key in options) {
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switch (key) {
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case 'el':
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bindFields(options.el);
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if (options.wrap !== false) {
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wrapFields(options.el);
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}
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break;
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case 'parent':
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settings.parent = document.querySelector(options.parent);
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if (settings.parent) {
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settings.parent.appendChild(picker);
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}
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break;
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case 'themeMode':
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settings.themeMode = options.themeMode;
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if (options.themeMode === 'auto' && window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
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settings.themeMode = 'dark';
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}
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// The lack of a break statement is intentional
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case 'theme':
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if (options.theme) {
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settings.theme = options.theme;
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}
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picker.className = `clr-picker clr-${settings.theme} clr-${settings.themeMode}`;
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break;
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case 'margin':
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options.margin *= 1;
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settings.margin = !isNaN(options.margin) ? options.margin : settings.margin;
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break;
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case 'wrap':
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if (options.el && options.wrap) {
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wrapFields(options.el);
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}
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break;
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case 'formatToggle':
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getEl('clr-format').style.display = options.formatToggle ? 'block' : 'none';
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if (options.formatToggle) {
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settings.format = 'auto';
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}
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break;
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case 'swatches':
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if (Array.isArray(options.swatches)) {
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const swatches = [];
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options.swatches.forEach((swatch, i) => {
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swatches.push(`<button id="clr-swatch-${i}" aria-labelledby="clr-swatch-label clr-swatch-${i}" style="color: ${swatch};">${swatch}</button>`);
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});
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if (swatches.length) {
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getEl('clr-swatches').innerHTML = `<div>${swatches.join('')}</div>`;
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}
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}
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break;
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case 'swatchesOnly':
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settings.swatchesOnly = !!options.swatchesOnly;
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picker.setAttribute('data-minimal', settings.swatchesOnly);
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if (settings.swatchesOnly) {
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settings.autoClose = true;
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}
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break;
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case 'alpha':
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settings.alpha = !!options.alpha;
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picker.setAttribute('data-alpha', settings.alpha);
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break;
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case 'clearButton':
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let display = 'none';
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if (options.clearButton.show) {
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display = 'block';
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}
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if (options.clearButton.label) {
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clearButton.innerHTML = options.clearButton.label;
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}
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clearButton.style.display = display;
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break;
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case 'a11y':
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const labels = options.a11y;
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let update = false;
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if (typeof labels === 'object') {
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for (const label in labels) {
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if (labels[label] && settings.a11y[label]) {
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settings.a11y[label] = labels[label];
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update = true;
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}
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}
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}
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if (update) {
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const openLabel = getEl('clr-open-label');
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const swatchLabel = getEl('clr-swatch-label');
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openLabel.innerHTML = settings.a11y.open;
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swatchLabel.innerHTML = settings.a11y.swatch;
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colorPreview.setAttribute('aria-label', settings.a11y.close);
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hueSlider.setAttribute('aria-label', settings.a11y.hueSlider);
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alphaSlider.setAttribute('aria-label', settings.a11y.alphaSlider);
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colorValue.setAttribute('aria-label', settings.a11y.input);
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colorArea.setAttribute('aria-label', settings.a11y.instruction);
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}
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default:
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settings[key] = options[key];
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}
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}
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}
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/**
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* Bind the color picker to input fields that match the selector.
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* @param {string} selector One or more selectors pointing to input fields.
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*/
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function bindFields(selector) {
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// Show the color picker on click on the input fields that match the selector
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addListener(document, 'click', selector, event => {
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const parent = settings.parent;
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const coords = event.target.getBoundingClientRect();
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const scrollY = window.scrollY;
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let reposition = { left: false, top: false };
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let offset = { x: 0, y: 0 };
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let left = coords.x;
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let top = scrollY + coords.y + coords.height + settings.margin;
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currentEl = event.target;
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oldColor = currentEl.value;
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currentFormat = getColorFormatFromStr(oldColor);
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picker.classList.add('clr-open');
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const pickerWidth = picker.offsetWidth;
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const pickerHeight = picker.offsetHeight;
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// If the color picker is inside a custom container
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// set the position relative to it
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if (parent) {
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const style = window.getComputedStyle(parent);
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const marginTop = parseFloat(style.marginTop);
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const borderTop = parseFloat(style.borderTopWidth);
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offset = parent.getBoundingClientRect();
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offset.y += borderTop + scrollY;
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left -= offset.x;
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top -= offset.y;
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if (left + pickerWidth > parent.clientWidth) {
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left += coords.width - pickerWidth;
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reposition.left = true;
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}
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if (top + pickerHeight > parent.clientHeight - marginTop) {
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top -= coords.height + pickerHeight + settings.margin * 2;
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reposition.top = true;
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}
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top += parent.scrollTop;
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// Otherwise set the position relative to the whole document
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} else {
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if (left + pickerWidth > document.documentElement.clientWidth) {
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left += coords.width - pickerWidth;
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reposition.left = true;
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}
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if (top + pickerHeight - scrollY > document.documentElement.clientHeight) {
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top = scrollY + coords.y - pickerHeight - settings.margin;
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reposition.top = true;
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}
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}
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picker.classList.toggle('clr-left', reposition.left);
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picker.classList.toggle('clr-top', reposition.top);
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picker.style.left = `${left}px`;
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picker.style.top = `${top}px`;
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colorAreaDims = {
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width: colorArea.offsetWidth,
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height: colorArea.offsetHeight,
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x: picker.offsetLeft + colorArea.offsetLeft + offset.x,
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y: picker.offsetTop + colorArea.offsetTop + offset.y
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};
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setColorFromStr(oldColor);
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if (settings.focusInput) {
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colorValue.focus({ preventScroll: true });
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}
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});
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// Update the color preview of the input fields that match the selector
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addListener(document, 'input', selector, event => {
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const parent = event.target.parentNode;
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// Only update the preview if the field has been previously wrapped
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if (parent.classList.contains('clr-field')) {
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parent.style.color = event.target.value;
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}
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});
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}
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/**
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* Wrap the linked input fields in a div that adds a color preview.
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* @param {string} selector One or more selectors pointing to input fields.
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*/
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function wrapFields(selector) {
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document.querySelectorAll(selector).forEach(field => {
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const parentNode = field.parentNode;
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if (!parentNode.classList.contains('clr-field')) {
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const wrapper = document.createElement('div');
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wrapper.innerHTML = `<button aria-labelledby="clr-open-label"></button>`;
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parentNode.insertBefore(wrapper, field);
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wrapper.setAttribute('class', 'clr-field');
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wrapper.style.color = field.value;
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wrapper.appendChild(field);
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}
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});
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}
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/**
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* Close the color picker.
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* @param {boolean} [revert] If true, revert the color to the original value.
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*/
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function closePicker(revert) {
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if (currentEl) {
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// Revert the color to the original value if needed
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if (revert && oldColor !== currentEl.value) {
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currentEl.value = oldColor;
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// Trigger an "input" event to force update the thumbnail next to the input field
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currentEl.dispatchEvent(new Event('input', { bubbles: true }));
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}
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if (oldColor !== currentEl.value) {
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currentEl.dispatchEvent(new Event('change', { bubbles: true }));
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}
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picker.classList.remove('clr-open');
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if (settings.focusInput) {
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currentEl.focus({ preventScroll: true });
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}
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currentEl = null;
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}
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}
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/**
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* Set the active color from a string.
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* @param {string} str String representing a color.
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*/
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function setColorFromStr(str) {
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const rgba = strToRGBA(str);
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const hsva = RGBAtoHSVA(rgba);
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updateMarkerA11yLabel(hsva.s, hsva.v);
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updateColor(rgba, hsva);
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// Update the UI
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hueSlider.value = hsva.h;
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picker.style.color = `hsl(${hsva.h}, 100%, 50%)`;
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hueMarker.style.left = `${hsva.h / 360 * 100}%`;
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colorMarker.style.left = `${colorAreaDims.width * hsva.s / 100}px`;
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colorMarker.style.top = `${colorAreaDims.height - (colorAreaDims.height * hsva.v / 100)}px`;
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alphaSlider.value = hsva.a * 100;
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alphaMarker.style.left = `${hsva.a * 100}%`;
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}
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/**
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* Guess the color format from a string.
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* @param {string} str String representing a color.
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* @return {string} The color format.
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*/
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function getColorFormatFromStr(str) {
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const format = str.substring(0, 3).toLowerCase();
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if (format === 'rgb' || format === 'hsl') {
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return format;
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}
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return 'hex';
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}
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/**
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* Copy the active color to the linked input field.
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* @param {number} [color] Color value to override the active color.
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*/
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function pickColor(color) {
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if (currentEl) {
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currentEl.value = color !== undefined ? color : colorValue.value;
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currentEl.dispatchEvent(new Event('input', { bubbles: true }));
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}
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}
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/**
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* Set the active color based on a specific point in the color gradient.
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* @param {number} x Left position.
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* @param {number} y Top position.
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*/
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function setColorAtPosition(x, y) {
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const hsva = {
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h: hueSlider.value * 1,
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s: x / colorAreaDims.width * 100,
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v: 100 - (y / colorAreaDims.height * 100),
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a: alphaSlider.value / 100
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};
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const rgba = HSVAtoRGBA(hsva);
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updateMarkerA11yLabel(hsva.s, hsva.v);
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updateColor(rgba, hsva);
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pickColor();
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}
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/**
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* Update the color marker's accessibility label.
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* @param {number} saturation
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* @param {number} value
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*/
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function updateMarkerA11yLabel(saturation, value) {
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let label = settings.a11y.marker;
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saturation = saturation.toFixed(1) * 1;
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value = value.toFixed(1) * 1;
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label = label.replace('{s}', saturation);
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label = label.replace('{v}', value);
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colorMarker.setAttribute('aria-label', label);
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}
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//
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/**
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* Get the pageX and pageY positions of the pointer.
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* @param {object} event The MouseEvent or TouchEvent object.
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* @return {object} The pageX and pageY positions.
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*/
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function getPointerPosition(event) {
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return {
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pageX: event.changedTouches ? event.changedTouches[0].pageX : event.pageX,
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pageY: event.changedTouches ? event.changedTouches[0].pageY : event.pageY
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};
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}
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/**
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* Move the color marker when dragged.
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* @param {object} event The MouseEvent object.
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*/
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function moveMarker(event) {
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const pointer = getPointerPosition(event);
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let x = pointer.pageX - colorAreaDims.x;
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let y = pointer.pageY - colorAreaDims.y;
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if (settings.parent) {
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y += settings.parent.scrollTop;
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}
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x = (x < 0) ? 0 : (x > colorAreaDims.width) ? colorAreaDims.width : x;
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y = (y < 0) ? 0 : (y > colorAreaDims.height) ? colorAreaDims.height : y;
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colorMarker.style.left = `${x}px`;
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colorMarker.style.top = `${y}px`;
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setColorAtPosition(x, y);
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// Prevent scrolling while dragging the marker
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event.preventDefault();
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event.stopPropagation();
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}
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/**
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* Move the color marker when the arrow keys are pressed.
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* @param {number} offsetX The horizontal amount to move.
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* * @param {number} offsetY The vertical amount to move.
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*/
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function moveMarkerOnKeydown(offsetX, offsetY) {
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const x = colorMarker.style.left.replace('px', '') * 1 + offsetX;
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const y = colorMarker.style.top.replace('px', '') * 1 + offsetY;
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colorMarker.style.left = `${x}px`;
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colorMarker.style.top = `${y}px`;
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setColorAtPosition(x, y);
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}
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/**
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* Update the color picker's input field and preview thumb.
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* @param {Object} rgba Red, green, blue and alpha values.
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* @param {Object} [hsva] Hue, saturation, value and alpha values.
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*/
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function updateColor(rgba = {}, hsva = {}) {
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let format = settings.format;
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for (const key in rgba) {
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currentColor[key] = rgba[key];
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}
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||||
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for (const key in hsva) {
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currentColor[key] = hsva[key];
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}
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const hex = RGBAToHex(currentColor);
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const opaqueHex = hex.substring(0, 7);
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||||
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colorMarker.style.color = opaqueHex;
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||||
alphaMarker.parentNode.style.color = opaqueHex;
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||||
alphaMarker.style.color = hex;
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colorPreview.style.color = hex;
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||||
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// Force repaint the color and alpha gradients as a workaround for a Google Chrome bug
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||||
colorArea.style.display = 'none';
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||||
colorArea.offsetHeight;
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||||
colorArea.style.display = '';
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||||
alphaMarker.nextElementSibling.style.display = 'none';
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||||
alphaMarker.nextElementSibling.offsetHeight;
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||||
alphaMarker.nextElementSibling.style.display = '';
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||||
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if (format === 'mixed') {
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||||
format = currentColor.a === 1 ? 'hex' : 'rgb';
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||||
} else if (format === 'auto') {
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||||
format = currentFormat;
|
||||
}
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||||
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||||
switch (format) {
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||||
case 'hex':
|
||||
colorValue.value = hex;
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||||
break;
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||||
case 'rgb':
|
||||
colorValue.value = RGBAToStr(currentColor);
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||||
break;
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||||
case 'hsl':
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||||
colorValue.value = HSLAToStr(HSVAtoHSLA(currentColor));
|
||||
break;
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||||
}
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||||
|
||||
// Select the current format in the format switcher
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||||
document.querySelector(`.clr-format [value="${format}"]`).checked = true;
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||||
}
|
||||
|
||||
/**
|
||||
* Set the hue when its slider is moved.
|
||||
*/
|
||||
function setHue() {
|
||||
const hue = hueSlider.value * 1;
|
||||
const x = colorMarker.style.left.replace('px', '') * 1;
|
||||
const y = colorMarker.style.top.replace('px', '') * 1;
|
||||
|
||||
picker.style.color = `hsl(${hue}, 100%, 50%)`;
|
||||
hueMarker.style.left = `${hue / 360 * 100}%`;
|
||||
|
||||
setColorAtPosition(x, y);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the alpha when its slider is moved.
|
||||
*/
|
||||
function setAlpha() {
|
||||
const alpha = alphaSlider.value / 100;
|
||||
|
||||
alphaMarker.style.left = `${alpha * 100}%`;
|
||||
updateColor({ a: alpha });
|
||||
pickColor();
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert HSVA to RGBA.
|
||||
* @param {object} hsva Hue, saturation, value and alpha values.
|
||||
* @return {object} Red, green, blue and alpha values.
|
||||
*/
|
||||
function HSVAtoRGBA(hsva) {
|
||||
const saturation = hsva.s / 100;
|
||||
const value = hsva.v / 100;
|
||||
let chroma = saturation * value;
|
||||
let hueBy60 = hsva.h / 60;
|
||||
let x = chroma * (1 - Math.abs(hueBy60 % 2 - 1));
|
||||
let m = value - chroma;
|
||||
|
||||
chroma = (chroma + m);
|
||||
x = (x + m);
|
||||
|
||||
const index = Math.floor(hueBy60) % 6;
|
||||
const red = [chroma, x, m, m, x, chroma][index];
|
||||
const green = [x, chroma, chroma, x, m, m][index];
|
||||
const blue = [m, m, x, chroma, chroma, x][index];
|
||||
|
||||
return {
|
||||
r: Math.round(red * 255),
|
||||
g: Math.round(green * 255),
|
||||
b: Math.round(blue * 255),
|
||||
a: hsva.a
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert HSVA to HSLA.
|
||||
* @param {object} hsva Hue, saturation, value and alpha values.
|
||||
* @return {object} Hue, saturation, lightness and alpha values.
|
||||
*/
|
||||
function HSVAtoHSLA(hsva) {
|
||||
const value = hsva.v / 100;
|
||||
const lightness = value * (1 - (hsva.s / 100) / 2);
|
||||
let saturation;
|
||||
|
||||
if (lightness > 0 && lightness < 1) {
|
||||
saturation = Math.round((value - lightness) / Math.min(lightness, 1 - lightness) * 100);
|
||||
}
|
||||
|
||||
return {
|
||||
h: hsva.h,
|
||||
s: saturation || 0,
|
||||
l: Math.round(lightness * 100),
|
||||
a: hsva.a
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert RGBA to HSVA.
|
||||
* @param {object} rgba Red, green, blue and alpha values.
|
||||
* @return {object} Hue, saturation, value and alpha values.
|
||||
*/
|
||||
function RGBAtoHSVA(rgba) {
|
||||
const red = rgba.r / 255;
|
||||
const green = rgba.g / 255;
|
||||
const blue = rgba.b / 255;
|
||||
const xmax = Math.max(red, green, blue);
|
||||
const xmin = Math.min(red, green, blue);
|
||||
const chroma = xmax - xmin;
|
||||
const value = xmax;
|
||||
let hue = 0;
|
||||
let saturation = 0;
|
||||
|
||||
if (chroma) {
|
||||
if (xmax === red) { hue = ((green - blue) / chroma); }
|
||||
if (xmax === green) { hue = 2 + (blue - red) / chroma; }
|
||||
if (xmax === blue) { hue = 4 + (red - green) / chroma; }
|
||||
if (xmax) { saturation = chroma / xmax; }
|
||||
}
|
||||
|
||||
hue = Math.floor(hue * 60);
|
||||
|
||||
return {
|
||||
h: hue < 0 ? hue + 360 : hue,
|
||||
s: Math.round(saturation * 100),
|
||||
v: Math.round(value * 100),
|
||||
a: rgba.a
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse a string to RGBA.
|
||||
* @param {string} str String representing a color.
|
||||
* @return {object} Red, green, blue and alpha values.
|
||||
*/
|
||||
function strToRGBA(str) {
|
||||
const regex = /^((rgba)|rgb)[\D]+([\d.]+)[\D]+([\d.]+)[\D]+([\d.]+)[\D]*?([\d.]+|$)/i;
|
||||
let match, rgba;
|
||||
|
||||
// Default to black for invalid color strings
|
||||
ctx.fillStyle = '#000';
|
||||
|
||||
// Use canvas to convert the string to a valid color string
|
||||
ctx.fillStyle = str;
|
||||
match = regex.exec(ctx.fillStyle);
|
||||
|
||||
if (match) {
|
||||
rgba = {
|
||||
r: match[3] * 1,
|
||||
g: match[4] * 1,
|
||||
b: match[5] * 1,
|
||||
a: match[6] * 1
|
||||
};
|
||||
|
||||
} else {
|
||||
match = ctx.fillStyle.replace('#', '').match(/.{2}/g).map(h => parseInt(h, 16));
|
||||
rgba = {
|
||||
r: match[0],
|
||||
g: match[1],
|
||||
b: match[2],
|
||||
a: 1
|
||||
};
|
||||
}
|
||||
|
||||
return rgba;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert RGBA to Hex.
|
||||
* @param {object} rgba Red, green, blue and alpha values.
|
||||
* @return {string} Hex color string.
|
||||
*/
|
||||
function RGBAToHex(rgba) {
|
||||
let R = rgba.r.toString(16);
|
||||
let G = rgba.g.toString(16);
|
||||
let B = rgba.b.toString(16);
|
||||
let A = '';
|
||||
|
||||
if (rgba.r < 16) {
|
||||
R = '0' + R;
|
||||
}
|
||||
|
||||
if (rgba.g < 16) {
|
||||
G = '0' + G;
|
||||
}
|
||||
|
||||
if (rgba.b < 16) {
|
||||
B = '0' + B;
|
||||
}
|
||||
|
||||
if (settings.alpha && rgba.a < 1) {
|
||||
const alpha = rgba.a * 255 | 0;
|
||||
A = alpha.toString(16);
|
||||
|
||||
if (alpha < 16) {
|
||||
A = '0' + A;
|
||||
}
|
||||
}
|
||||
|
||||
return '#' + R + G + B + A;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert RGBA values to a CSS rgb/rgba string.
|
||||
* @param {object} rgba Red, green, blue and alpha values.
|
||||
* @return {string} CSS color string.
|
||||
*/
|
||||
function RGBAToStr(rgba) {
|
||||
if (!settings.alpha || rgba.a === 1) {
|
||||
return `rgb(${rgba.r}, ${rgba.g}, ${rgba.b})`;
|
||||
} else {
|
||||
return `rgba(${rgba.r}, ${rgba.g}, ${rgba.b}, ${rgba.a})`;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert HSLA values to a CSS hsl/hsla string.
|
||||
* @param {object} hsla Hue, saturation, lightness and alpha values.
|
||||
* @return {string} CSS color string.
|
||||
*/
|
||||
function HSLAToStr(hsla) {
|
||||
if (!settings.alpha || hsla.a === 1) {
|
||||
return `hsl(${hsla.h}, ${hsla.s}%, ${hsla.l}%)`;
|
||||
} else {
|
||||
return `hsla(${hsla.h}, ${hsla.s}%, ${hsla.l}%, ${hsla.a})`;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Init the color picker.
|
||||
*/
|
||||
function init() {
|
||||
// Render the UI
|
||||
picker = document.createElement('div');
|
||||
picker.setAttribute('id', 'clr-picker');
|
||||
picker.className = 'clr-picker';
|
||||
picker.innerHTML =
|
||||
`<input id="clr-color-value" class="clr-color" type="text" value="" aria-label="${settings.a11y.input}">` +
|
||||
`<div id="clr-color-area" class="clr-gradient" role="application" aria-label="${settings.a11y.instruction}">` +
|
||||
'<div id="clr-color-marker" class="clr-marker" tabindex="0"></div>' +
|
||||
'</div>' +
|
||||
'<div class="clr-hue">' +
|
||||
`<input id="clr-hue-slider" type="range" min="0" max="360" step="1" aria-label="${settings.a11y.hueSlider}">` +
|
||||
'<div id="clr-hue-marker"></div>' +
|
||||
'</div>' +
|
||||
'<div class="clr-alpha">' +
|
||||
`<input id="clr-alpha-slider" type="range" min="0" max="100" step="1" aria-label="${settings.a11y.alphaSlider}">` +
|
||||
'<div id="clr-alpha-marker"></div>' +
|
||||
'<span></span>' +
|
||||
'</div>' +
|
||||
'<div id="clr-format" class="clr-format">' +
|
||||
'<fieldset class="clr-segmented">' +
|
||||
`<legend>${settings.a11y.format}</legend>` +
|
||||
'<input id="clr-f1" type="radio" name="clr-format" value="hex">' +
|
||||
'<label for="clr-f1">Hex</label>' +
|
||||
'<input id="clr-f2" type="radio" name="clr-format" value="rgb">' +
|
||||
'<label for="clr-f2">RGB</label>' +
|
||||
'<input id="clr-f3" type="radio" name="clr-format" value="hsl">' +
|
||||
'<label for="clr-f3">HSL</label>' +
|
||||
'<span></span>' +
|
||||
'</fieldset>' +
|
||||
'</div>' +
|
||||
'<div id="clr-swatches" class="clr-swatches"></div>' +
|
||||
`<button id="clr-clear" class="clr-clear">${settings.clearButton.label}</button>` +
|
||||
`<button id="clr-color-preview" class="clr-preview" aria-label="${settings.a11y.close}"></button>` +
|
||||
`<span id="clr-open-label" hidden>${settings.a11y.open}</span>` +
|
||||
`<span id="clr-swatch-label" hidden>${settings.a11y.swatch}</span>`;
|
||||
|
||||
// Append the color picker to the DOM
|
||||
document.body.appendChild(picker);
|
||||
|
||||
// Reference the UI elements
|
||||
colorArea = getEl('clr-color-area');
|
||||
colorMarker = getEl('clr-color-marker');
|
||||
clearButton = getEl('clr-clear');
|
||||
colorPreview = getEl('clr-color-preview');
|
||||
colorValue = getEl('clr-color-value');
|
||||
hueSlider = getEl('clr-hue-slider');
|
||||
hueMarker = getEl('clr-hue-marker');
|
||||
alphaSlider = getEl('clr-alpha-slider');
|
||||
alphaMarker = getEl('clr-alpha-marker');
|
||||
|
||||
// Bind the picker to the default selector
|
||||
bindFields(settings.el);
|
||||
wrapFields(settings.el);
|
||||
|
||||
addListener(picker, 'mousedown', event => {
|
||||
picker.classList.remove('clr-keyboard-nav');
|
||||
event.stopPropagation();
|
||||
});
|
||||
|
||||
addListener(colorArea, 'mousedown', event => {
|
||||
addListener(document, 'mousemove', moveMarker);
|
||||
});
|
||||
|
||||
addListener(colorArea, 'touchstart', event => {
|
||||
document.addEventListener('touchmove', moveMarker, { passive: false });
|
||||
});
|
||||
|
||||
addListener(colorMarker, 'mousedown', event => {
|
||||
addListener(document, 'mousemove', moveMarker);
|
||||
});
|
||||
|
||||
addListener(colorMarker, 'touchstart', event => {
|
||||
document.addEventListener('touchmove', moveMarker, { passive: false });
|
||||
});
|
||||
|
||||
addListener(colorValue, 'change', event => {
|
||||
setColorFromStr(colorValue.value);
|
||||
pickColor();
|
||||
});
|
||||
|
||||
addListener(clearButton, 'click', event => {
|
||||
pickColor('');
|
||||
closePicker();
|
||||
});
|
||||
|
||||
addListener(colorPreview, 'click', event => {
|
||||
pickColor();
|
||||
closePicker();
|
||||
});
|
||||
|
||||
addListener(document, 'click', '.clr-format input', event => {
|
||||
currentFormat = event.target.value;
|
||||
updateColor();
|
||||
pickColor();
|
||||
});
|
||||
|
||||
addListener(picker, 'click', '.clr-swatches button', event => {
|
||||
setColorFromStr(event.target.textContent);
|
||||
pickColor();
|
||||
|
||||
if (settings.autoClose) {
|
||||
closePicker();
|
||||
}
|
||||
});
|
||||
|
||||
addListener(document, 'mouseup', event => {
|
||||
document.removeEventListener('mousemove', moveMarker);
|
||||
});
|
||||
|
||||
addListener(document, 'touchend', event => {
|
||||
document.removeEventListener('touchmove', moveMarker);
|
||||
});
|
||||
|
||||
addListener(document, 'mousedown', event => {
|
||||
picker.classList.remove('clr-keyboard-nav');
|
||||
closePicker();
|
||||
});
|
||||
|
||||
addListener(document, 'keydown', event => {
|
||||
if (event.key === 'Escape') {
|
||||
closePicker(true);
|
||||
} else if (event.key === 'Tab') {
|
||||
picker.classList.add('clr-keyboard-nav');
|
||||
}
|
||||
});
|
||||
|
||||
addListener(document, 'click', '.clr-field button', event => {
|
||||
event.target.nextElementSibling.dispatchEvent(new Event('click', { bubbles: true }));
|
||||
});
|
||||
|
||||
addListener(colorMarker, 'keydown', event => {
|
||||
const movements = {
|
||||
ArrowUp: [0, -1],
|
||||
ArrowDown: [0, 1],
|
||||
ArrowLeft: [-1, 0],
|
||||
ArrowRight: [1, 0]
|
||||
};
|
||||
|
||||
if (Object.keys(movements).indexOf(event.key) !== -1) {
|
||||
moveMarkerOnKeydown(...movements[event.key]);
|
||||
event.preventDefault();
|
||||
}
|
||||
});
|
||||
|
||||
addListener(colorArea, 'click', moveMarker);
|
||||
addListener(hueSlider, 'input', setHue);
|
||||
addListener(alphaSlider, 'input', setAlpha);
|
||||
}
|
||||
|
||||
/**
|
||||
* Shortcut for getElementById to optimize the minified JS.
|
||||
* @param {string} id The element id.
|
||||
* @return {object} The DOM element with the provided id.
|
||||
*/
|
||||
function getEl(id) {
|
||||
return document.getElementById(id);
|
||||
}
|
||||
|
||||
/**
|
||||
* Shortcut for addEventListener to optimize the minified JS.
|
||||
* @param {object} context The context to which the listener is attached.
|
||||
* @param {string} type Event type.
|
||||
* @param {(string|function)} selector Event target if delegation is used, event handler if not.
|
||||
* @param {function} [fn] Event handler if delegation is used.
|
||||
*/
|
||||
function addListener(context, type, selector, fn) {
|
||||
const matches = Element.prototype.matches || Element.prototype.msMatchesSelector;
|
||||
|
||||
// Delegate event to the target of the selector
|
||||
if (typeof selector === 'string') {
|
||||
context.addEventListener(type, event => {
|
||||
if (matches.call(event.target, selector)) {
|
||||
fn.call(event.target, event);
|
||||
}
|
||||
});
|
||||
|
||||
// If the selector is not a string then it's a function
|
||||
// in which case we need regular event listener
|
||||
} else {
|
||||
fn = selector;
|
||||
context.addEventListener(type, fn);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Call a function only when the DOM is ready.
|
||||
* @param {function} fn The function to call.
|
||||
* @param {array} [args] Arguments to pass to the function.
|
||||
*/
|
||||
function DOMReady(fn, args) {
|
||||
args = args !== undefined ? args : [];
|
||||
|
||||
if (document.readyState !== 'loading') {
|
||||
fn(...args);
|
||||
} else {
|
||||
document.addEventListener('DOMContentLoaded', () => {
|
||||
fn(...args);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// Polyfill for Nodelist.forEach
|
||||
if (NodeList !== undefined && NodeList.prototype && !NodeList.prototype.forEach) {
|
||||
NodeList.prototype.forEach = Array.prototype.forEach;
|
||||
}
|
||||
|
||||
// Expose the color picker to the global scope
|
||||
window.Coloris = (() => {
|
||||
const methods = {
|
||||
set: configure,
|
||||
wrap: wrapFields,
|
||||
close: closePicker
|
||||
};
|
||||
|
||||
function Coloris(options) {
|
||||
DOMReady(() => {
|
||||
if (options) {
|
||||
if (typeof options === 'string') {
|
||||
bindFields(options);
|
||||
} else {
|
||||
configure(options);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
for (const key in methods) {
|
||||
Coloris[key] = (...args) => {
|
||||
DOMReady(methods[key], args);
|
||||
};
|
||||
}
|
||||
|
||||
return Coloris;
|
||||
})();
|
||||
|
||||
// Init the color picker when the DOM is ready
|
||||
DOMReady(init);
|
||||
|
||||
})(window, document, Math);
|
||||
|
||||
Coloris({
|
||||
el: '.coloris',
|
||||
theme: 'large',
|
||||
themeMode: 'dark',
|
||||
format: 'hex',
|
||||
alpha: false,
|
||||
swatches: [
|
||||
'#471616',
|
||||
'#1e4716',
|
||||
'#16473f',
|
||||
'#161c47',
|
||||
'#371647',
|
||||
'#47163f',
|
||||
'#471627',
|
||||
'#3a3a3a',
|
||||
'#ffffff',
|
||||
'#1a1a1a'
|
||||
]
|
||||
});
|
||||
Reference in New Issue
Block a user