Optimize DCU's open timetable to filter selected courses.
// ==UserScript==
// @name DCU Timetable Filter
// @name:zh-CN DCU 课程表过滤器
// @namespace https://chenhe.me/
// @version 0.2
// @description Optimize DCU's open timetable to filter selected courses.
// @description:zh-CN 优化 DCU 的课程表，只显示选中的课程。
// @author Chenhe
// @license MIT License
// @match https://mytimetable.dcu.ie/timetables*
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js
// @require https://greasyfork.org/scripts/383527-wait-for-key-elements/code/Wait_for_key_elements.js
// @require https://openuserjs.org/src/libs/sizzle/GM_config.js
// @grant GM_getValue
// @grant GM_setValue
// ==/UserScript==
(function () {
"use strict";
let selectedCourses = [];
const cellWithEventSelector = "div.e-appointment";
const toolbarInlineSelector = ".e-toolbar-right";
const toolbarSelector = "sct-scheduler-toolbar";
GM_config.init({
id: "main",
title: "Course Filter Configuration",
events: {
init: function () {
selectedCourses = GM_config.get("Courses").split("\n");
console.log("Selected courses: " + selectedCourses);
},
save: function () {
selectedCourses = GM_config.get("Courses").split("\n");
console.log("Selected courses: " + selectedCourses);
$(cellWithEventSelector).each(function () {
processCell($(this));
});
$(toolbarInlineSelector).each(function () {
addConfigButton($(this));
});
$(toolbarSelector).each(function () {
setWarningMsg($(this));
});
},
},
fields: {
Courses: {
label:
"The codes of selected courses, one for each line. e.g. CA644.<br>Leave blank to disable filtering.",
type: "textarea",
},
FullyHide: {
label: "Fully hide unselected courses:",
type: "checkbox",
default: false,
},
Opacity: {
label: "Opacity of unselected courses [0,1]:",
type: "float",
default: "0.35",
},
Button: {
label: "Chenhe's Github", // Appears on the button
type: "button", // Makes this setting a button input
size: 100, // Control the size of the button (default is 25)
click: function () {
window.open("https://github.com/ichenhe", "_blank");
},
},
},
});
/**
* Judge whether a course has been selected or not.
* @param {string} lessonName
*/
function isSelected(lessonName) {
let _lessonName = lessonName.toUpperCase().trim();
for (const item of selectedCourses) {
let a = item.toUpperCase();
if (a.indexOf(_lessonName) != -1 || _lessonName.indexOf(a) != -1) {
return true;
}
}
return false;
}
waitForKeyElements(cellWithEventSelector, processCell);
waitForKeyElements(toolbarSelector, setWarningMsg);
waitForKeyElements(toolbarInlineSelector, addConfigButton);
function processCell(jNode) {
let nameNode = jNode.find('div.scheduler-value--name > showdown > p');
if (!nameNode) return;
let lessonName = nameNode.text().split("/")[0];
if (!isSelected(lessonName)) {
console.log("hide: " + lessonName);
if (GM_config.get("FullyHide")) {
jNode.css("visibility", "hidden");
} else {
jNode.css("visibility", "visible");
jNode.css("opacity", GM_config.get("Opacity"));
}
} else {
jNode.css("visibility", "visible");
jNode.css("opacity", "1");
}
}
function setWarningMsg(jNode) {
if (GM_config.get("Courses")) {
if (!document.getElementById("che-filter-msg")) {
let message = document.createElement("div");
message.id = "che-filter-msg";
message.innerHTML =
"⚠️ Course filter activated! Please check it manually. The developer is not responsible for the result. Only week view on desktop is suppoted.";
message.style.color = "#ffffff";
message.style.background = "#e53935";
message.style.padding = "12px";
jNode.append(message);
}
} else {
$("#che-filter-msg").remove();
}
}
function addConfigButton(jNode) {
if (!document.getElementById("che-filter-config-btn")) {
let button = document.createElement("button");
button.id = "che-filter-config-btn";
button.innerHTML = "⚙️ Config Course Filter";
button.style.backgroundColor = "#37A1BF";
button.style.border = "none";
button.style.color = "#ffffff";
button.style.padding = "8px";
button.style.marginTop = "8px";
button.style.cursor = "pointer";
button.onclick = function () {
GM_config.open();
};
jNode.append(button);
}
}
})();