FFLogs Diff Column

Add a diff column to FFLogs events table

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         FFLogs Diff Column
// @namespace    https://greasyfork.org/en/users/1317382
// @version      1.2
// @description  Add a diff column to FFLogs events table
// @author       aya
// @match        https://www.fflogs.com/reports/*
// @require      https://code.jquery.com/jquery-3.6.0.min.js
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    let diffMode = 'all';
    let observer = null;
    let controlStripObserver = null;

    function waitForDependencies(callback) {
        if (typeof jQuery !== 'undefined') {
            callback();
        } else {
            setTimeout(() => waitForDependencies(callback), 100);
        }
    }

    function formatDiff(diff) {
        return diff.toFixed(3).replace(/(\.0+|0+)$/, '');
    }

    function timeToMilliseconds(timeStr) {
        const [minutes, seconds] = timeStr.replace('-', '').split(':').map(parseFloat);
        return (timeStr.startsWith('-') ? -1 : 1) * (minutes * 60000 + seconds * 1000);
    }

    function addDiffColumn() {
        if (!$(".events-table thead th").length || $(".events-table thead th.diff-column").length) return;
        $(".events-table thead th").first().after("<th class='ui-state-default sorting_disabled diff-column'>Diff</th>");
        let lastRelevantTime = null;
        $(".events-table tbody tr").each(function() {
            const $row = $(this);
            const $timeCell = $row.find('.main-table-number');
            if ($row.find('td.diff-column').length) return;
            let isRelevantRow = true;
            if (diffMode === 'subset') {
                const $eventCell = $row.find('.event-ability-cell');
                isRelevantRow = !$eventCell.hasClass('indented-cell');
            }
            const current = timeToMilliseconds($timeCell.text());
            let diffText = '-';
            if (isRelevantRow) {
                if (lastRelevantTime !== null) {
                    diffText = formatDiff((current - lastRelevantTime) / 1000);
                }
                lastRelevantTime = current;
            }
            $timeCell.after("<td class='diff-column' style='width:2em'>" + diffText + "</td>");
        });
    }

    function urlHasEventsAndCastsParams() {
        const url = window.location.href;
        return url.includes("&view=events") && url.includes("&type=casts");
    }

    function handleUrlChange() {
        if (observer) observer.disconnect();
        if (controlStripObserver) controlStripObserver.disconnect();

        if (urlHasEventsAndCastsParams()) {
            observer = new MutationObserver((mutations) => {
                if (mutations.some(mutation => mutation.addedNodes.length && document.querySelector('.events-table'))) {
                    addDiffColumn();
                }
            });

            observer.observe(document.body, { childList: true, subtree: true });
            waitForDependencies(addDiffColumn);

            controlStripObserver = new MutationObserver((mutations) => {
                if (document.querySelector('.events-view-control-strip')) {
                    addDiffModeToggle();
                }
            });

            controlStripObserver.observe(document.body, { childList: true, subtree: true });
        } else {
            diffMode = 'all';
            $('#toggle-diff-mode').text('Diff: All Events');
        }
    }

    function toggleDiffMode() {
        diffMode = (diffMode === 'all') ? 'subset' : 'all';
        $('#toggle-diff-mode').text(diffMode === 'all' ? 'Diff: All Events' : 'Diff: GCDs only');
        $('.diff-column').remove();
        addDiffColumn();
    }

    function addDiffModeToggle() {
        if (!$('#toggle-diff-mode').length) {
            const $toggleOption = $('<div/>', {
                id: 'toggle-diff-mode',
                class: 'events-view-control',
                text: 'Diff: All Events',
                click: toggleDiffMode
            });
            $('.events-view-control-strip').append($toggleOption);
        }
    }

    $(document).ready(function() {
        handleUrlChange();
        window.addEventListener('popstate', handleUrlChange);

        function proxyHistoryMethod(method) {
            return new Proxy(method, {
                apply(target, thisArg, argArray) {
                    target.apply(thisArg, argArray);
                    window.dispatchEvent(new Event('popstate'));
                }
            });
        }

        history.pushState = proxyHistoryMethod(history.pushState);
        history.replaceState = proxyHistoryMethod(history.replaceState);
    });

})();