mirror of https://github.com/rectorphp/rector.git
118 lines
3.0 KiB
JavaScript
118 lines
3.0 KiB
JavaScript
/**
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* This file is part of the Tracy (https://tracy.nette.org)
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*/
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const MOVE_THRESHOLD = 100;
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// enables <a class="tracy-toggle" href="#"> or <span data-tracy-ref="#"> toggling
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class Toggle
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{
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static init() {
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let start;
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document.documentElement.addEventListener('mousedown', (e) => {
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start = [e.clientX, e.clientY];
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});
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document.documentElement.addEventListener('click', (e) => {
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let el;
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if (
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!e.shiftKey && !e.ctrlKey && !e.metaKey
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&& (el = e.target.closest('.tracy-toggle'))
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&& Math.pow(start[0] - e.clientX, 2) + Math.pow(start[1] - e.clientY, 2) < MOVE_THRESHOLD
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) {
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Toggle.toggle(el, undefined, e);
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e.preventDefault();
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e.stopImmediatePropagation();
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}
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});
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Toggle.init = function() {};
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}
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// changes element visibility
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static toggle(el, expand, e) {
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let collapsed = el.classList.contains('tracy-collapsed'),
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ref = el.getAttribute('data-tracy-ref') || el.getAttribute('href', 2),
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dest = el;
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if (typeof expand === 'undefined') {
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expand = collapsed;
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}
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el.dispatchEvent(new CustomEvent('tracy-beforetoggle', {
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bubbles: true,
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detail: {collapsed: !expand, originalEvent: e}
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}));
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if (!ref || ref === '#') {
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ref = '+';
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} else if (ref.substr(0, 1) === '#') {
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dest = document;
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}
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ref = ref.match(/(\^\s*([^+\s]*)\s*)?(\+\s*(\S*)\s*)?(.*)/);
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dest = ref[1] ? dest.parentNode : dest;
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dest = ref[2] ? dest.closest(ref[2]) : dest;
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dest = ref[3] ? Toggle.nextElement(dest.nextElementSibling, ref[4]) : dest;
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dest = ref[5] ? dest.querySelector(ref[5]) : dest;
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el.classList.toggle('tracy-collapsed', !expand);
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dest.classList.toggle('tracy-collapsed', !expand);
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el.dispatchEvent(new CustomEvent('tracy-toggle', {
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bubbles: true,
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detail: {relatedTarget: dest, collapsed: !expand, originalEvent: e}
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}));
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}
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// save & restore toggles
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static persist(baseEl, restore) {
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let saved = [];
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baseEl.addEventListener('tracy-toggle', (e) => {
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if (saved.indexOf(e.target) < 0) {
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saved.push(e.target);
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}
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});
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let toggles = JSON.parse(sessionStorage.getItem('tracy-toggles-' + baseEl.id));
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if (toggles && restore !== false) {
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toggles.forEach((item) => {
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let el = baseEl;
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for (let i in item.path) {
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if (!(el = el.children[item.path[i]])) {
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return;
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}
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}
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if (el.textContent === item.text) {
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Toggle.toggle(el, item.expand);
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}
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});
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}
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window.addEventListener('unload', () => {
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toggles = saved.map((el) => {
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let item = {path: [], text: el.textContent, expand: !el.classList.contains('tracy-collapsed')};
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do {
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item.path.unshift(Array.from(el.parentNode.children).indexOf(el));
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el = el.parentNode;
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} while (el && el !== baseEl);
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return item;
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});
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sessionStorage.setItem('tracy-toggles-' + baseEl.id, JSON.stringify(toggles));
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});
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}
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// finds next matching element
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static nextElement(el, selector) {
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while (el && selector && !el.matches(selector)) {
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el = el.nextElementSibling;
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}
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return el;
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}
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}
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let Tracy = window.Tracy = window.Tracy || {};
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Tracy.Toggle = Tracy.Toggle || Toggle;
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