frontblocks-gallery-option.jsx
9 months ago
frontblocks-gallery.css
9 months ago
frontblocks-gallery.js
9 months ago
frontblocks-gallery.php
9 months ago
frontblocks-gallery.js
324 lines
| 1 | window.addEventListener('load', function() { |
| 2 | initFrontBlocksGallery(); |
| 3 | }); |
| 4 | |
| 5 | function initFrontBlocksGallery() { |
| 6 | initMasonryGalleries(); |
| 7 | initGridGalleries(); |
| 8 | initLightbox(); |
| 9 | } |
| 10 | |
| 11 | function initMasonryGalleries() { |
| 12 | const masonryGalleries = document.querySelectorAll('.frontblocks-gallery-masonry'); |
| 13 | |
| 14 | masonryGalleries.forEach(function(gallery) { |
| 15 | const columns = parseInt(gallery.getAttribute('data-columns')) || 3; |
| 16 | const gutter = parseInt(gallery.getAttribute('data-gutter')) || 20; |
| 17 | setupMasonryLayout(gallery, columns, gutter); |
| 18 | }); |
| 19 | } |
| 20 | |
| 21 | function initGridGalleries() { |
| 22 | const gridGalleries = document.querySelectorAll('.frontblocks-gallery-grid'); |
| 23 | |
| 24 | gridGalleries.forEach(function(gallery) { |
| 25 | const columns = parseInt(gallery.getAttribute('data-columns')) || 3; |
| 26 | const gutter = parseInt(gallery.getAttribute('data-gutter')) || 20; |
| 27 | // Set up grid layout |
| 28 | setupGridLayout(gallery, columns, gutter); |
| 29 | }); |
| 30 | } |
| 31 | |
| 32 | function setupGridLayout(gallery, columns, gutter) { |
| 33 | gallery.style.setProperty('--frontblocks-gutter', gutter + 'px'); |
| 34 | } |
| 35 | |
| 36 | function setupMasonryLayout(gallery, columns, gutter) { |
| 37 | // Set container styles for masonry |
| 38 | gallery.style.position = 'relative'; |
| 39 | gallery.style.display = 'block'; |
| 40 | gallery.style.width = '100%'; |
| 41 | gallery.style.setProperty('--frontblocks-gutter', gutter + 'px'); |
| 42 | |
| 43 | // Get all figure elements |
| 44 | const figures = gallery.querySelectorAll('figure.wp-block-image'); |
| 45 | if (figures.length === 0) return; |
| 46 | |
| 47 | // Calculate optimal column count based on available width and breakpoints |
| 48 | const containerWidth = gallery.offsetWidth; |
| 49 | const minColumnWidth = 200; |
| 50 | const totalGutterWidth = gutter * (columns - 1); |
| 51 | const availableWidthForColumns = containerWidth - totalGutterWidth; |
| 52 | const actualColumnWidth = availableWidthForColumns / columns; |
| 53 | |
| 54 | let optimalColumns = getResponsiveColumns(columns, containerWidth); |
| 55 | |
| 56 | // If columns are too narrow, reduce the number of columns |
| 57 | if (actualColumnWidth < minColumnWidth) { |
| 58 | optimalColumns = Math.max(1, Math.floor((containerWidth + gutter) / (minColumnWidth + gutter))); |
| 59 | } |
| 60 | |
| 61 | // Only set margin-bottom for gutter spacing |
| 62 | figures.forEach(function(figure) { |
| 63 | figure.style.margin = '0'; |
| 64 | figure.style.marginBottom = gutter + 'px'; |
| 65 | // Do NOT set width, float, or clear - let Masonry handle this |
| 66 | }); |
| 67 | |
| 68 | // Initialize Masonry with calculated column width |
| 69 | const masonry = new Masonry(gallery, { |
| 70 | itemSelector: 'figure.wp-block-image', |
| 71 | columnWidth: '.wp-block-image', // Let Masonry calculate column width |
| 72 | gutter: gutter, |
| 73 | percentPosition: true, |
| 74 | transitionDuration: '0.3s' |
| 75 | }); |
| 76 | |
| 77 | // Layout Masonry after images load |
| 78 | const images = gallery.querySelectorAll('img'); |
| 79 | let loadedImages = 0; |
| 80 | |
| 81 | if (images.length === 0) { |
| 82 | masonry.layout(); |
| 83 | return; |
| 84 | } |
| 85 | |
| 86 | images.forEach(function(img) { |
| 87 | if (img.complete) { |
| 88 | loadedImages++; |
| 89 | if (loadedImages === images.length) { |
| 90 | masonry.layout(); |
| 91 | } |
| 92 | } else { |
| 93 | img.addEventListener('load', function() { |
| 94 | loadedImages++; |
| 95 | if (loadedImages === images.length) { |
| 96 | masonry.layout(); |
| 97 | } |
| 98 | }); |
| 99 | } |
| 100 | }); |
| 101 | |
| 102 | // Layout immediately if all images are already loaded |
| 103 | if (loadedImages === images.length) { |
| 104 | masonry.layout(); |
| 105 | } |
| 106 | |
| 107 | // Store masonry instance for resize handling |
| 108 | gallery.masonryInstance = masonry; |
| 109 | |
| 110 | // Handle window resize |
| 111 | window.addEventListener('resize', function() { |
| 112 | if (gallery.masonryInstance) { |
| 113 | gallery.masonryInstance.layout(); |
| 114 | } |
| 115 | }); |
| 116 | } |
| 117 | |
| 118 | function getResponsiveColumns(originalColumns, containerWidth) { |
| 119 | // Responsive breakpoints |
| 120 | if (containerWidth <= 480) { |
| 121 | return Math.min(originalColumns, 2); |
| 122 | } else if (containerWidth <= 768) { |
| 123 | return Math.min(originalColumns, 3); |
| 124 | } else if (containerWidth <= 1024) { |
| 125 | return Math.min(originalColumns, 4); |
| 126 | } else { |
| 127 | return originalColumns; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | function initLightbox() { |
| 132 | // Create lightbox container if it doesn't exist |
| 133 | let lightbox = document.getElementById('frontblocks-lightbox'); |
| 134 | if (!lightbox) { |
| 135 | lightbox = createLightbox(); |
| 136 | document.body.appendChild(lightbox); |
| 137 | } |
| 138 | |
| 139 | // Add click event listeners to gallery images |
| 140 | const galleries = document.querySelectorAll('.frontblocks-gallery-masonry, .frontblocks-gallery-grid'); |
| 141 | |
| 142 | galleries.forEach(function(gallery) { |
| 143 | const enableLightbox = gallery.getAttribute('data-lightbox') === 'true'; |
| 144 | |
| 145 | if (enableLightbox) { |
| 146 | const images = gallery.querySelectorAll('img'); |
| 147 | images.forEach(function(img, index) { |
| 148 | img.style.cursor = 'pointer'; |
| 149 | img.addEventListener('click', function(e) { |
| 150 | e.preventDefault(); |
| 151 | openLightbox(images, index); |
| 152 | }); |
| 153 | }); |
| 154 | } |
| 155 | }); |
| 156 | } |
| 157 | |
| 158 | function createLightbox() { |
| 159 | const lightbox = document.createElement('div'); |
| 160 | lightbox.id = 'frontblocks-lightbox'; |
| 161 | lightbox.className = 'frontblocks-lightbox'; |
| 162 | |
| 163 | lightbox.innerHTML = ` |
| 164 | <div class="frontblocks-lightbox-content"> |
| 165 | <button class="frontblocks-lightbox-close">×</button> |
| 166 | <img src="" alt=""> |
| 167 | <div class="frontblocks-lightbox-caption"></div> |
| 168 | <div class="frontblocks-lightbox-counter"></div> |
| 169 | <button class="frontblocks-lightbox-nav frontblocks-lightbox-prev"><</button> |
| 170 | <button class="frontblocks-lightbox-nav frontblocks-lightbox-next">></button> |
| 171 | </div> |
| 172 | `; |
| 173 | |
| 174 | // Add event listeners |
| 175 | const closeBtn = lightbox.querySelector('.frontblocks-lightbox-close'); |
| 176 | const prevBtn = lightbox.querySelector('.frontblocks-lightbox-prev'); |
| 177 | const nextBtn = lightbox.querySelector('.frontblocks-lightbox-next'); |
| 178 | |
| 179 | closeBtn.addEventListener('click', closeLightbox); |
| 180 | prevBtn.addEventListener('click', showPreviousImage); |
| 181 | nextBtn.addEventListener('click', showNextImage); |
| 182 | |
| 183 | // Close on background click |
| 184 | lightbox.addEventListener('click', function(e) { |
| 185 | if (e.target === lightbox) { |
| 186 | closeLightbox(); |
| 187 | } |
| 188 | }); |
| 189 | |
| 190 | // Close on escape key |
| 191 | document.addEventListener('keydown', function(e) { |
| 192 | if (e.key === 'Escape' && lightbox.classList.contains('active')) { |
| 193 | closeLightbox(); |
| 194 | } else if (e.key === 'ArrowLeft' && lightbox.classList.contains('active')) { |
| 195 | showPreviousImage(); |
| 196 | } else if (e.key === 'ArrowRight' && lightbox.classList.contains('active')) { |
| 197 | showNextImage(); |
| 198 | } |
| 199 | }); |
| 200 | |
| 201 | return lightbox; |
| 202 | } |
| 203 | |
| 204 | let currentImages = []; |
| 205 | let currentImageIndex = 0; |
| 206 | |
| 207 | function openLightbox(images, index) { |
| 208 | currentImages = Array.from(images); |
| 209 | currentImageIndex = index; |
| 210 | |
| 211 | const lightbox = document.getElementById('frontblocks-lightbox'); |
| 212 | const lightboxImg = lightbox.querySelector('img'); |
| 213 | |
| 214 | // Set image source |
| 215 | lightboxImg.src = currentImages[currentImageIndex].src; |
| 216 | lightboxImg.alt = currentImages[currentImageIndex].alt || ''; |
| 217 | |
| 218 | // Show lightbox |
| 219 | lightbox.classList.add('active'); |
| 220 | document.body.style.overflow = 'hidden'; |
| 221 | |
| 222 | // Update caption and counter |
| 223 | updateLightboxCaption(); |
| 224 | updateLightboxCounter(); |
| 225 | updateLightboxNavigation(); |
| 226 | } |
| 227 | |
| 228 | function closeLightbox() { |
| 229 | const lightbox = document.getElementById('frontblocks-lightbox'); |
| 230 | lightbox.classList.remove('active'); |
| 231 | document.body.style.overflow = ''; |
| 232 | |
| 233 | currentImages = []; |
| 234 | currentImageIndex = 0; |
| 235 | } |
| 236 | |
| 237 | function showPreviousImage() { |
| 238 | if (currentImages.length === 0) return; |
| 239 | |
| 240 | currentImageIndex = (currentImageIndex - 1 + currentImages.length) % currentImages.length; |
| 241 | updateLightboxImage(); |
| 242 | } |
| 243 | |
| 244 | function showNextImage() { |
| 245 | if (currentImages.length === 0) return; |
| 246 | |
| 247 | currentImageIndex = (currentImageIndex + 1) % currentImages.length; |
| 248 | updateLightboxImage(); |
| 249 | } |
| 250 | |
| 251 | function updateLightboxImage() { |
| 252 | const lightbox = document.getElementById('frontblocks-lightbox'); |
| 253 | const lightboxImg = lightbox.querySelector('img'); |
| 254 | |
| 255 | lightboxImg.src = currentImages[currentImageIndex].src; |
| 256 | lightboxImg.alt = currentImages[currentImageIndex].alt || ''; |
| 257 | |
| 258 | updateLightboxCaption(); |
| 259 | updateLightboxCounter(); |
| 260 | updateLightboxNavigation(); |
| 261 | } |
| 262 | |
| 263 | function updateLightboxCaption() { |
| 264 | const lightbox = document.getElementById('frontblocks-lightbox'); |
| 265 | const captionElement = lightbox.querySelector('.frontblocks-lightbox-caption'); |
| 266 | |
| 267 | if (currentImages.length === 0) { |
| 268 | captionElement.textContent = ''; |
| 269 | return; |
| 270 | } |
| 271 | |
| 272 | const currentImage = currentImages[currentImageIndex]; |
| 273 | let caption = ''; |
| 274 | |
| 275 | // Try to get caption from different sources |
| 276 | if (currentImage.alt && currentImage.alt.trim() !== '') { |
| 277 | caption = currentImage.alt; |
| 278 | } else if (currentImage.title && currentImage.title.trim() !== '') { |
| 279 | caption = currentImage.title; |
| 280 | } else { |
| 281 | // Try to get caption from parent figure element |
| 282 | const figure = currentImage.closest('figure'); |
| 283 | if (figure) { |
| 284 | const figcaption = figure.querySelector('figcaption'); |
| 285 | if (figcaption) { |
| 286 | caption = figcaption.textContent.trim(); |
| 287 | } |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | captionElement.textContent = caption; |
| 292 | captionElement.style.display = caption ? 'block' : 'none'; |
| 293 | } |
| 294 | |
| 295 | function updateLightboxCounter() { |
| 296 | const lightbox = document.getElementById('frontblocks-lightbox'); |
| 297 | const counterElement = lightbox.querySelector('.frontblocks-lightbox-counter'); |
| 298 | |
| 299 | if (currentImages.length <= 1) { |
| 300 | counterElement.style.display = 'none'; |
| 301 | return; |
| 302 | } |
| 303 | |
| 304 | counterElement.style.display = 'block'; |
| 305 | counterElement.textContent = `${currentImageIndex + 1} / ${currentImages.length}`; |
| 306 | } |
| 307 | |
| 308 | function updateLightboxNavigation() { |
| 309 | const lightbox = document.getElementById('frontblocks-lightbox'); |
| 310 | const prevBtn = lightbox.querySelector('.frontblocks-lightbox-prev'); |
| 311 | const nextBtn = lightbox.querySelector('.frontblocks-lightbox-next'); |
| 312 | |
| 313 | const showNav = currentImages.length > 1; |
| 314 | prevBtn.style.display = showNav ? 'block' : 'none'; |
| 315 | nextBtn.style.display = showNav ? 'block' : 'none'; |
| 316 | } |
| 317 | |
| 318 | // Handle dynamic content loading (for AJAX-loaded galleries) |
| 319 | function reinitFrontBlocksGallery() { |
| 320 | initFrontBlocksGallery(); |
| 321 | } |
| 322 | |
| 323 | // Expose function globally for external use |
| 324 | window.reinitFrontBlocksGallery = reinitFrontBlocksGallery; |