Add buttons to filter teacher list. Currently, it only applies when the web browser is pointing to https://www.italki.com/partners.
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// ==UserScript==
// @name Add italki.com Teacher List Filter
// @namespace https://greasyfork.org/en/users/85671-jcunews
// @version 1.0.1
// @description Add buttons to filter teacher list. Currently, it only applies when the web browser is pointing to https://www.italki.com/partners.
// @author jcunews
// @match https://www.italki.com/partners
// @grant none
// ==/UserScript==
(function(t, list, prevEleCount, filteredUids, items) {
function filterUser(item) {
filteredUids.push(parseInt(this.getAttribute("uid")));
localStorage.filteredUids = JSON.stringify(filteredUids);
item = this.parentNode.parentNode.parentNode.parentNode;
item.parentNode.removeChild(item);
prevEleCount--;
}
function filterList(i, link, uid, btn) {
clearTimeout(t);
if ((prevEleCount < 0) || (items.length !== prevEleCount)) {
if (prevEleCount < 0) prevEleCount = 0;
for (i = items.length-1; i >= 0; i--) {
if (!items[i].querySelector(".filter")) {
link = items[i].querySelector("A");
uid = parseInt(link.pathname.match(/\d+/)[0]);
if (filteredUids.indexOf(uid) >= 0) {
list.removeChild(items[i]);
} else if (btn = items[i].querySelector(".btn")) {
link = btn.cloneNode(true);
link.textContent = "X";
link.title = "Filter this teacher";
link.classList.add("filter");
link.style.cssText = "font-weight: bold; color: red";
link.setAttribute("uid", uid);
link.removeAttribute("href");
link.removeAttribute("ui-sref");
link.onclick = filterUser;
btn.parentNode.insertBefore(link, btn);
}
}
}
}
prevEleCount = items.length;
t = setTimeout(filterList, 200);
}
prevEleCount = -1;
filteredUids = localStorage.filteredUids || "[]";
try {
filteredUids = JSON.parse(filteredUids);
} catch(t) {
filteredUids = [];
}
items = document.getElementsByClassName("teacher-item");
t = 0;
(function init(filter, btn) {
if (list = document.querySelector(".teacher-list")) {
filterList();
if (filter = document.querySelector(".panel-body > .filter > form > div:nth-child(2)")) {
btn = document.createElement("BUTTON");
btn.textContent = "Reset Teacher Filter";
btn.className = "btn";
btn.style.cssText = "margin-left: 2ex; padding: 0";
btn.onclick = function() {
filteredUids = [];
localStorage.filteredUids = "[]";
};
filter.insertBefore(btn, filter.lastElementChild);
}
} else setTimeout(init, 100);
})();
})();