From 854cfc11b1568139c5e2ad64d8f6cdbad8004819 Mon Sep 17 00:00:00 2001
From: Akamaru <github.mastiff@yagyuu.de>
Date: Mon, 29 Sep 2025 20:43:32 +0200
Subject: [PATCH] Hitomi.la Language Filter

---
 hitomi-language-filter.user.js | 160 +++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 hitomi-language-filter.user.js

diff --git a/hitomi-language-filter.user.js b/hitomi-language-filter.user.js
new file mode 100644
index 0000000..ec19c1e
--- /dev/null
+++ b/hitomi-language-filter.user.js
@@ -0,0 +1,160 @@
+// ==UserScript==
+// @name         Hitomi.la Language Filter
+// @namespace    https://git.ponywave.de/Akamaru/Userscripts
+// @version      1.0
+// @description  Filter manga by language on hitomi.la
+// @author       Akamaru
+// @match        https://hitomi.la/*
+// @grant        GM_getValue
+// @grant        GM_setValue
+// @grant        GM_registerMenuCommand
+// @updateURL    https://git.ponywave.de/Akamaru/Userscripts/raw/branch/master/hitomi-language-filter.user.js
+// @downloadURL  https://git.ponywave.de/Akamaru/Userscripts/raw/branch/master/hitomi-language-filter.user.js
+// @run-at       document-idle
+// ==/UserScript==
+
+(function() {
+    'use strict';
+
+    // Available languages
+    const languages = {
+        'all': 'All Languages',
+        'english': 'English',
+        'japanese': 'Japanese',
+        'chinese': 'Chinese',
+        'korean': 'Korean',
+        'spanish': 'Spanish',
+        'french': 'French',
+        'german': 'German',
+        'russian': 'Russian',
+        'italian': 'Italian',
+        'portuguese': 'Portuguese',
+        'thai': 'Thai',
+        'vietnamese': 'Vietnamese',
+        'polish': 'Polish',
+        'indonesian': 'Indonesian',
+        'turkish': 'Turkish'
+    };
+
+    // Get saved language preference (default: english)
+    let selectedLanguage = GM_getValue('selectedLanguage', 'english');
+
+    // Create language selector UI
+    function createLanguageSelector() {
+        const container = document.createElement('div');
+        container.id = 'language-filter-container';
+        container.style.cssText = `
+            position: fixed;
+            top: 10px;
+            right: 10px;
+            z-index: 10000;
+            background: #fff;
+            border: 2px solid #333;
+            border-radius: 5px;
+            padding: 10px;
+            box-shadow: 0 2px 10px rgba(0,0,0,0.3);
+        `;
+
+        const label = document.createElement('label');
+        label.textContent = 'Language: ';
+        label.style.fontWeight = 'bold';
+
+        const select = document.createElement('select');
+        select.style.cssText = `
+            padding: 5px;
+            border: 1px solid #ccc;
+            border-radius: 3px;
+            margin-left: 5px;
+        `;
+
+        // Add options
+        for (const [code, name] of Object.entries(languages)) {
+            const option = document.createElement('option');
+            option.value = code;
+            option.textContent = name;
+            if (code === selectedLanguage) {
+                option.selected = true;
+            }
+            select.appendChild(option);
+        }
+
+        // Handle language change
+        select.addEventListener('change', function() {
+            selectedLanguage = this.value;
+            GM_setValue('selectedLanguage', selectedLanguage);
+            filterGalleries();
+        });
+
+        container.appendChild(label);
+        container.appendChild(select);
+        document.body.appendChild(container);
+    }
+
+    // Filter galleries based on selected language
+    function filterGalleries() {
+        // Find all gallery items (both classes used on the site)
+        const galleries = document.querySelectorAll('.gallery, .dj, .manga');
+
+        galleries.forEach(gallery => {
+            if (selectedLanguage === 'all') {
+                gallery.style.display = '';
+                return;
+            }
+
+            // Check for language link in format /index-LANGUAGE.html
+            const languageTag = gallery.querySelector('a[href*="/index-"][href$=".html"]');
+            if (!languageTag) {
+                gallery.style.display = 'none';
+                return;
+            }
+
+            const href = languageTag.getAttribute('href');
+            const langMatch = href.match(/\/index-([^.]+)\.html/);
+
+            if (langMatch && langMatch[1]) {
+                const galleryLang = langMatch[1].toLowerCase();
+                if (galleryLang === selectedLanguage) {
+                    gallery.style.display = '';
+                } else {
+                    gallery.style.display = 'none';
+                }
+            } else {
+                gallery.style.display = 'none';
+            }
+        });
+    }
+
+    // Register menu command for quick access
+    GM_registerMenuCommand('Change Language Filter', function() {
+        const newLang = prompt('Enter language code:\n' +
+            Object.entries(languages).map(([code, name]) => `${code} - ${name}`).join('\n'));
+        if (newLang && languages[newLang]) {
+            selectedLanguage = newLang;
+            GM_setValue('selectedLanguage', selectedLanguage);
+            location.reload();
+        }
+    });
+
+    // Initialize
+    function init() {
+        createLanguageSelector();
+        filterGalleries();
+
+        // Watch for dynamic content loading
+        const observer = new MutationObserver(function(mutations) {
+            filterGalleries();
+        });
+
+        observer.observe(document.body, {
+            childList: true,
+            subtree: true
+        });
+    }
+
+    // Wait for page to load
+    if (document.readyState === 'loading') {
+        document.addEventListener('DOMContentLoaded', init);
+    } else {
+        init();
+    }
+})();
\ No newline at end of file