From 2dae435dff6008045fff19a13f266123ab6b5e57 Mon Sep 17 00:00:00 2001
From: Mas Budi Kusuma <admin@masbudi.my.id>
Date: Wed, 16 Sep 2026 07:52:18 +0700
Subject: [PATCH] feat(gallery): tambah CPT Galeri, template page-galeri,
 filter interaktif, dan native lightbox zoom

---
 inc/admin-menu.php |   8 ++
 inc/cpt-slider.php |  27 ++++++
 page-galeri.php    | 234 +++++++++++++++++++++++++++++++++++++++++++++
 style.css          | 152 +++++++++++++++++++++++++++++
 4 files changed, 421 insertions(+)
 create mode 100644 page-galeri.php

diff --git a/inc/admin-menu.php b/inc/admin-menu.php
index 41d37d5..085226f 100644
--- a/inc/admin-menu.php
+++ b/inc/admin-menu.php
@@ -904,3 +904,11 @@ function edukarsa_about_page_html() {
     </div>
     <?php
 }
+
+// Menyuntikkan sub-menu Galeri ke dalam menu utama EduKarsa
+add_action('admin_menu', function() {
+    // Deteksi parent slug (edukarsa_main_menu atau edukarsa_settings)
+    $parent = menu_page_url('edukarsa_main_menu', false) ? 'edukarsa_main_menu' : 'edukarsa_settings';
+    add_submenu_page( $parent, 'Semua Galeri', '📸 Galeri Fasilitas', 'manage_options', 'edit.php?post_type=galeri' );
+    add_submenu_page( $parent, 'Kategori Galeri', '📂 Kategori Galeri', 'manage_options', 'edit-tags.php?taxonomy=kategori_galeri&post_type=galeri' );
+}, 100);
diff --git a/inc/cpt-slider.php b/inc/cpt-slider.php
index 2024b11..f247676 100644
--- a/inc/cpt-slider.php
+++ b/inc/cpt-slider.php
@@ -46,3 +46,30 @@ function edukarsa_slider_save_meta( $post_id ) {
     if ( isset( $_POST['slider_link'] ) ) { update_post_meta( $post_id, '_slider_link', sanitize_text_field( $_POST['slider_link'] ) ); }
 }
 add_action( 'save_post', 'edukarsa_slider_save_meta' );
+
+// --- REGISTRASI CPT GALERI & TAXONOMY ---
+function edukarsa_register_galeri_cpt() {
+    register_post_type( 'galeri', array(
+        'labels' => array(
+            'name' => 'Galeri Fasilitas', 
+            'singular_name' => 'Galeri', 
+            'add_new_item' => 'Tambah Foto Galeri',
+            'all_items' => 'Semua Foto Galeri'
+        ),
+        'supports' => array('title', 'editor', 'thumbnail', 'excerpt'), 
+        'public' => true, 
+        'show_ui' => true, 
+        'show_in_menu' => false,
+        'menu_icon' => 'dashicons-format-gallery'
+    ));
+
+    register_taxonomy( 'kategori_galeri', 'galeri', array(
+        'labels' => array('name' => 'Kategori Galeri', 'singular_name' => 'Kategori', 'add_new_item' => 'Tambah Kategori'),
+        'hierarchical' => true, 
+        'public' => true, 
+        'show_ui' => true, 
+        'show_admin_column' => true,
+        'show_in_menu' => false
+    ));
+}
+add_action( 'init', 'edukarsa_register_galeri_cpt', 0 );
diff --git a/page-galeri.php b/page-galeri.php
new file mode 100644
index 0000000..d0fe6b0
--- /dev/null
+++ b/page-galeri.php
@@ -0,0 +1,234 @@
+<?php
+/**
+ * Template Name: Galeri & Fasilitas
+ * Deskripsi: Menampilkan grid foto galeri dengan filter kategori dan efek Zoom/Lightbox interaktif.
+ */
+get_header(); 
+?>
+
+<main id="primary" class="site-main edukarsa-gallery-page" style="padding: 60px 0 80px; background-color: var(--bg-light-blue); min-height: 75vh;">
+    <div class="container">
+        
+        <!-- Header Seksi Galeri -->
+        <div class="section-header text-center" style="margin-bottom: 40px;">
+            <span class="badge-title">FASILITAS & DOKUMENTASI KAMI</span>
+            <h1 class="section-title">Galeri Kampus</h1>
+            <hr class="title-underline">
+            <p style="color: #64748b; max-width: 600px; margin: 0 auto; line-height: 1.7; font-size: 15px;">
+                Jelajahi berbagai fasilitas pendukung belajar, laboratorium, sarana olahraga, dan lingkungan inspiratif di institusi kami.
+            </p>
+        </div>
+
+        <!-- Tombol Filter Kategori -->
+        <div class="gallery-filters text-center" style="margin-bottom: 40px;">
+            <button class="gallery-filter-btn active" data-filter="all">Semua Foto</button>
+            <?php
+            $terms = get_terms( array( 'taxonomy' => 'kategori_galeri', 'hide_empty' => true ) );
+            foreach ( $terms as $term ) {
+                echo '<button class="gallery-filter-btn" data-filter="' . esc_attr( $term->slug ) . '">' . esc_html( $term->name ) . '</button>';
+            }
+            ?>
+        </div>
+
+        <!-- Grid Foto Galeri -->
+        <div class="gallery-grid" id="edukarsa-gallery-grid">
+            <?php
+            $query_galeri = new WP_Query( array( 'post_type' => 'galeri', 'posts_per_page' => -1 ) );
+            if ( $query_galeri->have_posts() ) :
+                $idx = 0;
+                while ( $query_galeri->have_posts() ) : $query_galeri->the_post();
+                    // Ambil kategori untuk filter class
+                    $terms = get_the_terms( get_the_ID(), 'kategori_galeri' );
+                    $term_slugs = '';
+                    $term_names = '';
+                    if ( $terms && ! is_wp_error( $terms ) ) {
+                        $slugs = array();
+                        $names = array();
+                        foreach ( $terms as $term ) {
+                            $slugs[] = $term->slug;
+                            $names[] = $term->name;
+                        }
+                        $term_slugs = implode( ' ', $slugs );
+                        $term_names = implode( ', ', $names );
+                    }
+                    
+                    // Ambil URL gambar dan deskripsi
+                    $img_full = has_post_thumbnail() ? get_the_post_thumbnail_url( get_the_ID(), 'full' ) : '';
+                    $img_thumb = has_post_thumbnail() ? get_the_post_thumbnail_url( get_the_ID(), 'large' ) : '';
+                    
+                    // Prioritaskan Excerpt, jika kosong ambil paragraf pertama dari Content
+                    $desc = wp_strip_all_tags( get_the_excerpt() );
+                    if ( empty($desc) ) { 
+                        $desc = wp_trim_words( wp_strip_all_tags( get_the_content() ), 25, '...' ); 
+                    }
+                    ?>
+                    
+                    <div class="gallery-item-card <?php echo esc_attr( $term_slugs ); ?>" 
+                         data-src="<?php echo esc_url( $img_full ); ?>" 
+                         data-title="<?php echo esc_attr( get_the_title() ); ?>" 
+                         data-desc="<?php echo esc_attr( $desc ); ?>"
+                         data-cat="<?php echo esc_attr( $term_names ); ?>">
+                        
+                        <div class="gallery-img-wrapper">
+                            <?php if ( $img_thumb ) : ?>
+                                <img src="<?php echo esc_url( $img_thumb ); ?>" alt="<?php the_title(); ?>" loading="lazy">
+                            <?php else: ?>
+                                <div class="img-placeholder" style="height: 100%;"><i>📸</i></div>
+                            <?php endif; ?>
+                            
+                            <div class="gallery-overlay">
+                                <span class="gallery-zoom-icon">🔍</span>
+                            </div>
+                        </div>
+                        
+                        <div class="gallery-item-info">
+                            <h4><?php the_title(); ?></h4>
+                            <?php if($term_names): ?>
+                                <span class="gallery-cat-badge"><?php echo esc_html( $term_names ); ?></span>
+                            <?php endif; ?>
+                        </div>
+                        
+                    </div>
+                    <?php
+                    $idx++;
+                endwhile;
+                wp_reset_postdata();
+            else :
+                echo '<div style="grid-column: 1 / -1; text-align: center; padding: 40px; background: #fff; border-radius: 12px; border: 1px dashed #cbd5e1; color: #64748b;">Belum ada foto galeri yang dipublikasikan.</div>';
+            endif;
+            ?>
+        </div>
+    </div>
+</main>
+
+<!-- VANILLA JS LIGHTBOX (ZOOM EFFECT OVERLAY) -->
+<div id="ek-lightbox" class="ek-lightbox">
+    <span class="ek-lb-close" id="ek-lb-close" title="Tutup">&times;</span>
+    <div class="ek-lb-content">
+        <div class="ek-lb-img-container">
+            <img id="ek-lb-img" src="" alt="">
+        </div>
+        <div class="ek-lb-caption">
+            <span id="ek-lb-cat" class="ek-lb-cat"></span>
+            <h3 id="ek-lb-title"></h3>
+            <p id="ek-lb-desc"></p>
+        </div>
+    </div>
+    <button class="ek-lb-nav ek-lb-prev" id="ek-lb-prev" title="Sebelumnya">&#10094;</button>
+    <button class="ek-lb-nav ek-lb-next" id="ek-lb-next" title="Selanjutnya">&#10095;</button>
+</div>
+
+<!-- Logika Interaktif Native JS -->
+<script>
+document.addEventListener("DOMContentLoaded", function() {
+    // 1. LOGIKA FILTER KATEGORI (SMOOTH FADE)
+    const filterBtns = document.querySelectorAll('.gallery-filter-btn');
+    const galleryItems = document.querySelectorAll('.gallery-item-card');
+
+    filterBtns.forEach(btn => {
+        btn.addEventListener('click', () => {
+            // Hapus status aktif dari semua tombol
+            filterBtns.forEach(b => b.classList.remove('active'));
+            btn.classList.add('active');
+            
+            const filterValue = btn.getAttribute('data-filter');
+
+            galleryItems.forEach(item => {
+                // Sembunyikan dengan fade out
+                item.style.opacity = '0';
+                item.style.transform = 'scale(0.95)';
+                
+                setTimeout(() => {
+                    if (filterValue === 'all' || item.classList.contains(filterValue)) {
+                        item.style.display = 'block';
+                        // Beri jeda sedikit agar display block dirender sebelum mengubah opacity
+                        setTimeout(() => {
+                            item.style.opacity = '1';
+                            item.style.transform = 'scale(1)';
+                        }, 50);
+                    } else {
+                        item.style.display = 'none';
+                    }
+                }, 300); // 300ms sesuaikan dengan durasi CSS transition
+            });
+        });
+    });
+
+    // 2. LOGIKA LIGHTBOX / ZOOM SLIDER
+    const lightbox = document.getElementById('ek-lightbox');
+    const lbImg = document.getElementById('ek-lb-img');
+    const lbTitle = document.getElementById('ek-lb-title');
+    const lbDesc = document.getElementById('ek-lb-desc');
+    const lbCat = document.getElementById('ek-lb-cat');
+    const closeBtn = document.getElementById('ek-lb-close');
+    const prevBtn = document.getElementById('ek-lb-prev');
+    const nextBtn = document.getElementById('ek-lb-next');
+
+    let currentIndex = 0;
+    let visibleItems = [];
+
+    // Fungsi untuk memperbarui daftar item yang sedang tidak disembunyikan oleh filter
+    function updateVisibleItems() {
+        visibleItems = Array.from(galleryItems).filter(item => item.style.display !== 'none');
+    }
+
+    function openLightbox(index) {
+        if(visibleItems.length === 0) return;
+        currentIndex = index;
+        const item = visibleItems[currentIndex];
+        
+        lbImg.src = item.getAttribute('data-src');
+        lbTitle.textContent = item.getAttribute('data-title');
+        lbDesc.textContent = item.getAttribute('data-desc');
+        lbCat.textContent = item.getAttribute('data-cat');
+        
+        lightbox.classList.add('show');
+        document.body.style.overflow = 'hidden'; // Kunci scroll halaman belakang
+    }
+
+    function closeLightbox() {
+        lightbox.classList.remove('show');
+        document.body.style.overflow = ''; // Kembalikan scroll
+        setTimeout(() => lbImg.src = '', 300); // Bersihkan gambar setelah animasi tutup
+    }
+
+    function showNext() {
+        currentIndex = (currentIndex + 1) % visibleItems.length;
+        openLightbox(currentIndex);
+    }
+
+    function showPrev() {
+        currentIndex = (currentIndex - 1 + visibleItems.length) % visibleItems.length;
+        openLightbox(currentIndex);
+    }
+
+    // Pasang Event Klik pada setiap foto di Grid
+    galleryItems.forEach(item => {
+        item.addEventListener('click', function() {
+            updateVisibleItems();
+            const idx = visibleItems.indexOf(this);
+            if(idx !== -1) openLightbox(idx);
+        });
+    });
+
+    // Event Navigasi Lightbox
+    closeBtn.addEventListener('click', closeLightbox);
+    nextBtn.addEventListener('click', showNext);
+    prevBtn.addEventListener('click', showPrev);
+
+    // Tutup jika mengklik area kosong di luar konten
+    lightbox.addEventListener('click', function(e) {
+        if (e.target === lightbox) closeLightbox();
+    });
+
+    // Dukungan Navigasi Keyboard
+    document.addEventListener('keydown', function(e) {
+        if (!lightbox.classList.contains('show')) return;
+        if (e.key === 'Escape') closeLightbox();
+        if (e.key === 'ArrowRight') showNext();
+        if (e.key === 'ArrowLeft') showPrev();
+    });
+});
+</script>
+
+<?php get_footer(); ?>
diff --git a/style.css b/style.css
index 05da548..d65c04e 100644
--- a/style.css
+++ b/style.css
@@ -717,3 +717,155 @@ body.a11y-underline-links a { text-decoration: underline !important; text-underl
 .sidebar-html-rendered-content { font-size: 14px; line-height: 1.7; color: var(--text-color); }
 .sidebar-html-rendered-content iframe { width: 100% !important; border-radius: 8px; border: none; }
 .sidebar-html-rendered-content img { border-radius: 8px; margin: 10px 0; }
+
+/* ---------------------------------------------------------
+   MODUL GALERI & FASILITAS (GRID + LIGHTBOX)
+--------------------------------------------------------- */
+.gallery-filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
+.gallery-filter-btn {
+    background: #ffffff; 
+    border: 2px solid #e2e8f0; 
+    color: var(--text-muted);
+    padding: 8px 22px; 
+    border-radius: 50px; 
+    font-weight: 700; 
+    font-size: 14px;
+    cursor: pointer; 
+    transition: all 0.3s ease;
+}
+.gallery-filter-btn:hover, .gallery-filter-btn.active {
+    background: var(--primary-color); 
+    border-color: var(--primary-color); 
+    color: #ffffff;
+    box-shadow: 0 4px 12px rgba(11, 74, 142, 0.2);
+}
+
+.gallery-grid {
+    display: grid; 
+    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
+    gap: 25px;
+}
+
+.gallery-item-card {
+    background: #ffffff; 
+    border-radius: 14px; 
+    overflow: hidden;
+    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04); 
+    cursor: pointer; 
+    transition: all 0.3s ease;
+    border: 1px solid #f1f5f9;
+}
+.gallery-item-card:hover { 
+    transform: translateY(-6px); 
+    box-shadow: 0 15px 35px rgba(11, 74, 142, 0.12); 
+    border-color: var(--secondary-color);
+}
+
+.gallery-img-wrapper { 
+    position: relative; 
+    aspect-ratio: 4/3; 
+    overflow: hidden; 
+    background: #f8fafc;
+}
+.gallery-img-wrapper img { 
+    width: 100%; 
+    height: 100%; 
+    object-fit: cover; 
+    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
+}
+.gallery-item-card:hover .gallery-img-wrapper img { 
+    transform: scale(1.08); 
+}
+
+.gallery-overlay {
+    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
+    background: linear-gradient(to bottom, rgba(11,74,142,0.2) 0%, rgba(11,74,142,0.8) 100%); 
+    display: flex; align-items: center; justify-content: center;
+    opacity: 0; transition: opacity 0.3s ease;
+}
+.gallery-item-card:hover .gallery-overlay { opacity: 1; }
+
+.gallery-zoom-icon { 
+    font-size: 32px; color: #fff; 
+    transform: translateY(20px); 
+    transition: transform 0.3s ease; 
+    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
+}
+.gallery-item-card:hover .gallery-zoom-icon { transform: translateY(0); }
+
+.gallery-item-info { padding: 22px 20px; }
+.gallery-item-info h4 { margin: 0 0 10px; font-size: 17px; font-weight: 800; color: var(--heading-color); line-height: 1.4; }
+.gallery-cat-badge { 
+    display: inline-block;
+    font-size: 11px; font-weight: 800; 
+    color: var(--secondary-color); 
+    text-transform: uppercase; 
+    letter-spacing: 0.5px;
+    background: #e0f2fe; padding: 4px 12px; border-radius: 20px; 
+}
+
+/* NATIVE LIGHTBOX (ZOOM EFEK) */
+.ek-lightbox {
+    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
+    background: rgba(15, 23, 42, 0.96); z-index: 9999;
+    display: flex; align-items: center; justify-content: center;
+    opacity: 0; visibility: hidden; transition: all 0.3s ease; 
+    backdrop-filter: blur(8px);
+}
+.ek-lightbox.show { opacity: 1; visibility: visible; }
+
+.ek-lb-close { 
+    position: absolute; top: 25px; right: 35px; font-size: 45px; 
+    color: rgba(255,255,255,0.6); cursor: pointer; line-height: 1; 
+    transition: color 0.2s, transform 0.2s; z-index: 10;
+}
+.ek-lb-close:hover { color: #f59e0b; transform: scale(1.1); }
+
+.ek-lb-content {
+    max-width: 900px; width: 92%; max-height: 90vh;
+    display: flex; flex-direction: column; 
+    background: #ffffff; border-radius: 16px; overflow: hidden;
+    transform: scale(0.95); transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
+    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
+}
+.ek-lightbox.show .ek-lb-content { transform: scale(1); }
+
+.ek-lb-img-container {
+    width: 100%; height: 60vh; background: #000;
+    display: flex; align-items: center; justify-content: center;
+}
+.ek-lb-img-container img { 
+    width: 100%; height: 100%; object-fit: contain; 
+}
+
+.ek-lb-caption { padding: 25px 35px; text-align: center; }
+.ek-lb-cat { 
+    font-size: 12px; font-weight: 800; color: var(--secondary-color); 
+    text-transform: uppercase; letter-spacing: 1px; display: inline-block; 
+    margin-bottom: 8px; background: #f1f5f9; padding: 4px 14px; border-radius: 20px;
+}
+.ek-lb-caption h3 { margin: 0 0 12px; font-size: 24px; font-weight: 800; color: var(--heading-color); }
+.ek-lb-caption p { margin: 0; font-size: 15px; color: var(--text-color); line-height: 1.7; }
+
+/* Tombol Navigasi Lightbox */
+.ek-lb-nav {
+    position: absolute; top: 50%; transform: translateY(-50%);
+    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); 
+    color: #ffffff; width: 56px; height: 56px; border-radius: 50%; 
+    font-size: 20px; cursor: pointer; transition: all 0.2s ease; 
+    display: flex; align-items: center; justify-content: center;
+}
+.ek-lb-nav:hover { background: var(--primary-color); border-color: var(--primary-color); transform: translateY(-50%) scale(1.1); }
+.ek-lb-prev { left: 40px; }
+.ek-lb-next { right: 40px; }
+
+@media (max-width: 768px) {
+    .ek-lb-nav { width: 44px; height: 44px; font-size: 16px; }
+    .ek-lb-prev { left: 15px; }
+    .ek-lb-next { right: 15px; }
+    .ek-lb-close { top: 15px; right: 20px; font-size: 35px; }
+    .ek-lb-img-container { height: 45vh; }
+    .ek-lb-caption { padding: 20px; }
+    .ek-lb-caption h3 { font-size: 20px; }
+    .gallery-grid { grid-template-columns: 1fr; }
+}