FB Marketplace Item Sort

Marketplace 排序上架日期控制面板

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

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

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name         FB Marketplace Item Sort
// @namespace    http://tampermonkey.net/
// @icon         https://www.facebook.com/favicon.ico
// @version      2025-09-24.2
// @description  Marketplace 排序上架日期控制面板
// @author       Henrik
// @match        *://www.facebook.com/*
// @grant        none
// @run-at       document-end
// ==/UserScript==

(function () {
    'use strict';

    const PANEL_ID = 'marketplace-control-panel';
    const COLLAPSE_KEY = PANEL_ID + '-collapsed';
    let panel = null;
    let container = null;

    // ---------- 建立控制面板 ----------
    function createPanel() {
        if (panel) return;

        panel = document.createElement('div');
        panel.id = PANEL_ID;
        panel.style.position = 'fixed';
        panel.style.top = '80px';
        panel.style.right = '20px'; // 固定在右側
        panel.style.zIndex = '9999';
        panel.style.width = '220px';
        panel.style.background = 'rgba(255,255,255,0.97)';
        panel.style.border = '1px solid #ddd';
        panel.style.borderRadius = '8px';
        panel.style.boxShadow = '0 4px 10px rgba(0,0,0,0.2)';
        panel.style.fontFamily = 'system-ui, -apple-system, "Segoe UI", Roboto, Arial';
        panel.style.fontSize = '14px';
        panel.style.color = '#111';

        // 標題列
        const titleBar = document.createElement('div');
        titleBar.style.display = 'flex';
        titleBar.style.justifyContent = 'space-between';
        titleBar.style.alignItems = 'center';
        titleBar.style.padding = '4px 6px';
        titleBar.style.background = '#f3f3f3';
        titleBar.style.fontWeight = '600';

        const title = document.createElement('div');
        title.textContent = 'Marketplace 排序';

        const toggleBtn = document.createElement('button');
        toggleBtn.textContent = '-';
        toggleBtn.style.border = 'none';
        toggleBtn.style.cursor = 'pointer';
        toggleBtn.style.fontSize = '16px';
        toggleBtn.style.lineHeight = '1';
        toggleBtn.style.padding = '0 6px';

        titleBar.appendChild(title);
        titleBar.appendChild(toggleBtn);
        panel.appendChild(titleBar);

        // 控制項容器
        container = document.createElement('div');
        container.style.padding = '8px';

        const controls = [
            {
                label: '排序方式',
                param: 'sortBy',
                type: 'select',
                options: [
                    { text: '推薦', value: 'best_match' },
                    { text: '從近到遠', value: 'distance_ascend' },
                    { text: '由新到舊', value: 'creation_time_descend' },
                    { text: '價格低至高', value: 'price_ascend' },
                    { text: '價格高至低', value: 'price_descend' }
                ]
            },
            {
                label: '上架日期(天)',
                param: 'daysSinceListed',
                type: 'select',
                options: [
                    { text: '不限', value: '' },
                    ...Array.from({ length: 30 }, (_, i) => ({ text: `${i + 1} 天內`, value: `${i + 1}` }))
                ]
            }
        ];

        const inputs = {};

        controls.forEach(ctrl => {
            const label = document.createElement('label');
            label.textContent = ctrl.label;
            label.style.fontWeight = '500';
            container.appendChild(label);

            if (ctrl.type === 'select') {
                const select = document.createElement('select');
                select.style.width = '100%';
                select.style.padding = '6px';
                select.style.borderRadius = '6px';
                select.style.border = '1px solid #ccc';
                select.style.fontSize = '13px';

                ctrl.options.forEach(opt => {
                    const o = document.createElement('option');
                    o.value = opt.value;
                    o.textContent = opt.text;
                    select.appendChild(o);
                });

                container.appendChild(select);
                inputs[ctrl.param] = select;
            }
        });

        panel.appendChild(container);
        document.body.appendChild(panel);

        // 初始化 URL 參數
        try {
            const url = new URL(window.location.href);
            controls.forEach(ctrl => {
                const val = url.searchParams.get(ctrl.param);
                if (val !== null && inputs[ctrl.param]) inputs[ctrl.param].value = val;
            });
        } catch (e) {
            console.warn('URL 解析失敗', e);
        }

        // select 改變即更新 URL 並刷新頁面
        function updateURL() {
            try {
                const newUrl = new URL(window.location.href);
                Object.entries(inputs).forEach(([param, el]) => {
                    const value = el.value;
                    if (value) newUrl.searchParams.set(param, value);
                    else newUrl.searchParams.delete(param);
                });
                window.location.href = newUrl.toString();
            } catch (e) {
                console.error('更新 URL 失敗', e);
            }
        }
        Object.values(inputs).forEach(el => el.addEventListener('change', updateURL));

        // ---------- 收合/展開 ----------
        function setCollapsed(collapsed) {
            if (collapsed) {
                container.style.display = 'none';
                panel.style.width = '160px';
                toggleBtn.textContent = '+';
            } else {
                container.style.display = 'block';
                panel.style.width = '220px';
                toggleBtn.textContent = '-';
            }
            localStorage.setItem(COLLAPSE_KEY, collapsed ? '1' : '0');
        }

        toggleBtn.addEventListener('click', () => {
            const isCollapsed = container.style.display !== 'none';
            setCollapsed(isCollapsed);
        });

        const savedCollapsed = localStorage.getItem(COLLAPSE_KEY);
        if (savedCollapsed === '1') setCollapsed(true);
    }

    function removePanel() {
        const p = document.getElementById(PANEL_ID);
        if (p) p.remove();
        panel = null;
    }

    // ---------- 判斷是否顯示 ----------
    function checkPanelVisibility() {
        const isMarketplacePage = !!window.location.pathname.match(/\/marketplace/);
        const isItemPage = window.location.pathname.includes('/item');

        if (isItemPage || !isMarketplacePage) {
            if (panel) removePanel();
        } else {
            if (!panel) createPanel();
        }
    }

    // ---------- SPA 導航支援 ----------
    (function () {
        const wrapHistory = function (type) {
            const orig = history[type];
            return function () {
                const rv = orig.apply(this, arguments);
                setTimeout(checkPanelVisibility, 300);
                return rv;
            };
        };
        history.pushState = wrapHistory('pushState');
        history.replaceState = wrapHistory('replaceState');
        window.addEventListener('popstate', () => setTimeout(checkPanelVisibility, 300));
    })();

    // 初始檢查
    checkPanelVisibility();

})();