60 lines
2.1 KiB
JavaScript
60 lines
2.1 KiB
JavaScript
/*global _, converse_utils */
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const u = converse_utils;
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window.renderAvatars = function (el) {
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el = el || document;
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const canvasses = el.querySelectorAll('canvas.chat-msg__avatar');
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_.each(canvasses, (canvas_el) => {
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const avatar_url = canvas_el.getAttribute('data-avatar');
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if (!avatar_url) {
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return;
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}
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const ctx = canvas_el.getContext('2d');
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const img = new Image();
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img.onload = function () {
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const canvas = ctx.canvas ;
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const hRatio = canvas.width / img.width ;
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const vRatio = canvas.height / img.height ;
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const ratio = Math.min ( hRatio, vRatio );
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const centerShift_x = ( canvas.width - img.width*ratio ) / 2;
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const centerShift_y = ( canvas.height - img.height*ratio ) / 2;
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ctx.clearRect(0,0,canvas.width, canvas.height);
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ctx.drawImage(img, 0,0, img.width, img.height, centerShift_x,centerShift_y,img.width*ratio, img.height*ratio);
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};
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img.src = avatar_url;
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});
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}
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function toggleSpoilerMessage (ev) {
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if (ev && ev.preventDefault) {
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ev.preventDefault();
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}
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const toggle_el = ev.target,
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icon_el = toggle_el.firstElementChild;
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u.slideToggleElement(
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toggle_el.parentElement.parentElement.querySelector('.spoiler')
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);
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if (toggle_el.getAttribute("data-toggle-state") == "closed") {
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toggle_el.textContent = 'Show less';
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icon_el.classList.remove("fa-eye");
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icon_el.classList.add("fa-eye-slash");
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toggle_el.insertAdjacentElement('afterBegin', icon_el);
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toggle_el.setAttribute("data-toggle-state", "open");
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} else {
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toggle_el.textContent = 'Show more';
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icon_el.classList.remove("fa-eye-slash");
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icon_el.classList.add("fa-eye");
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toggle_el.insertAdjacentElement('afterBegin', icon_el);
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toggle_el.setAttribute("data-toggle-state", "closed");
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}
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}
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window.initSpoilers = function () {
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const spoilers = document.querySelectorAll('.spoiler-toggle');
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_.each(spoilers, (spoiler_el) => {
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spoiler_el.addEventListener('click', toggleSpoilerMessage);
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});
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}
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