Files
automatic/javascript/gallery.js
T
Vladimir Mandic 72a1dd0ac4 add image gallery
2024-03-21 16:16:39 -04:00

289 lines
9.4 KiB
JavaScript

/* eslint-disable max-classes-per-file */
let ws;
let url;
let currentImage;
const el = {
folders: undefined,
files: undefined,
search: undefined,
status: undefined,
btnSend: undefined,
};
// HTML Elements
class GalleryFolder extends HTMLElement {
constructor(name) {
super();
this.name = name;
this.shadow = this.attachShadow({ mode: 'open' });
}
connectedCallback() {
const style = document.createElement('style');
style.textContent = `
.gallery-folder {
cursor: pointer;
padding: 8px 6px 8px 6px;
}
.gallery-folder:hover {
background-color: var(--button-primary-background-fill-hover);
}
`;
this.shadow.appendChild(style);
const div = document.createElement('div');
div.className = 'gallery-folder';
div.textContent = `\uf44a ${this.name}`;
div.addEventListener('click', fetchFiles); // eslint-disable-line no-use-before-define
this.shadow.appendChild(div);
}
}
class GalleryFile extends HTMLElement {
constructor({ folder, file, size, mtime }) {
super();
this.folder = folder;
this.name = file;
this.size = size;
this.mtime = new Date(1000 * mtime);
this.hash = undefined;
this.exif = '';
this.width = 0;
this.height = 0;
this.shadow = this.attachShadow({ mode: 'open' });
}
async connectedCallback() {
const ext = this.name.split('.').pop().toLowerCase();
if (!['jpg', 'jpeg', 'png', 'gif', 'webp', 'svg'].includes(ext)) return;
this.hash = await getHash(`${this.folder}/${this.name}/${this.size}/${this.mtime}`); // eslint-disable-line no-use-before-define
const style = document.createElement('style');
const width = opts.browser_fixed_width ? `${opts.extra_networks_card_size}px` : 'unset';
style.textContent = `
.gallery-file {
object-fit: contain;
cursor: pointer;
height: ${opts.extra_networks_card_size}px;
width: ${width};
}
.gallery-file:hover {
filter: grayscale(100%);
}
`;
this.shadow.appendChild(style);
const img = document.createElement('img');
img.className = 'gallery-file';
img.loading = 'lazy';
img.title = `Folder: ${this.folder}\nFile: ${this.name}\nSize: ${this.size.toLocaleString()} bytes\nModified: ${this.mtime.toLocaleString()}`;
img.onload = async () => {
this.width = img.naturalWidth;
this.height = img.naturalHeight;
img.title += `\nResolution: ${this.width} x ${this.height}`;
this.title = img.title;
// let exif = await getExif(img);
// if (exif) this.exif = exif.replaceAll('<br>', '\n').replace(/<\/?[^>]+(>|$)/g, "");
};
img.src = `file=${this.folder}/${this.name}`;
img.onclick = () => {
currentImage = `${this.folder}/${this.name}`;
el.btnSend.click();
};
this.title = img.title;
this.style.display = this.title.toLowerCase().includes(el.search.value.toLowerCase()) ? 'unset' : 'none';
this.shadow.appendChild(img);
}
}
// methods
const gallerySendImage = (_images) => [currentImage]; // invoked by gadio button
async function getHash(str, algo = 'SHA-256') {
const strBuf = new TextEncoder().encode(str);
const hash = await crypto.subtle.digest(algo, strBuf);
let hex = '';
const view = new DataView(hash);
for (let i = 0; i < hash.byteLength; i += 4) hex += (`00000000${view.getUint32(i).toString(16)}`).slice(-8);
return hex;
}
async function wsConnect(socket, timeout = 2000) {
const intrasleep = 100;
const ttl = timeout / intrasleep;
const isOpened = () => (socket.readyState === WebSocket.OPEN);
if (socket.readyState !== WebSocket.CONNECTING) return isOpened();
let loop = 0;
while (socket.readyState === WebSocket.CONNECTING && loop < ttl) {
await new Promise((resolve) => setTimeout(resolve, intrasleep)); // eslint-disable-line no-promise-executor-return
loop++;
}
return isOpened();
}
async function gallerySearch(evt) {
if (el.search.busy) clearTimeout(el.search.busy);
el.search.busy = setTimeout(async () => {
let numFound = 0;
const all = Array.from(el.files.children);
const str = el.search.value.toLowerCase();
const r = /^(.+)([=<>])(.*)/;
const t0 = performance.now();
for (const f of all) {
if (r.test(str)) {
const match = str.match(r);
const key = match[1].trim();
const op = match[2].trim();
let val = match[3].trim();
if (key === 'mtime') val = new Date(val);
console.log('HERE', key, op, val, f[key]);
if (((op === '=') && (f[key] === val)) || ((op === '>') && (f[key] > val)) || ((op === '<') && (f[key] < val))) {
f.style.display = 'unset';
numFound++;
} else {
f.style.display = 'none';
}
} else if (f.title?.toLowerCase().includes(str) || f.exif?.toLowerCase().includes(str)) {
f.style.display = 'unset';
numFound++;
} else {
f.style.display = 'none';
}
const t1 = performance.now();
el.status.innerText = `Filter | ${f.folder} | ${numFound.toLocaleString()}/${all.length.toLocaleString()} images | ${Math.floor(t1 - t0).toLocaleString()}ms`;
}
}, 250);
}
async function gallerySort(btn) {
const t0 = performance.now();
document.querySelectorAll('.gallery-separator').forEach((node) => el.files.removeChild(node)); // cannot sort separators
const arr = Array.from(el.files.children);
switch (btn.charCodeAt(0)) {
case 61789:
arr
.sort((a, b) => a.name.localeCompare(b.name))
.forEach((node) => el.files.appendChild(node));
break;
case 61790:
arr
.sort((b, a) => a.name.localeCompare(b.name))
.forEach((node) => el.files.appendChild(node));
break;
case 61792:
arr
.sort((a, b) => a.size - b.size)
.forEach((node) => el.files.appendChild(node));
break;
case 61793:
arr
.sort((b, a) => a.size - b.size)
.forEach((node) => el.files.appendChild(node));
break;
case 61794:
arr
.sort((a, b) => a.width * a.height - b.width * b.height)
.forEach((node) => el.files.appendChild(node));
break;
case 61795:
arr
.sort((b, a) => a.width * a.height - b.width * b.height)
.forEach((node) => el.files.appendChild(node));
break;
case 61662:
arr
.sort((a, b) => a.mtime - b.mtime)
.forEach((node) => el.files.appendChild(node));
break;
case 61661:
arr
.sort((b, a) => a.mtime - b.mtime)
.forEach((node) => el.files.appendChild(node));
break;
default:
break;
}
const t1 = performance.now();
el.status.innerText = `Sort | ${arr.length.toLocaleString()} images | ${Math.floor(t1 - t0).toLocaleString()}ms`;
}
async function fetchFiles(evt) { // fetch file-by-file list over websockets
el.files.innerHTML = '';
if (!url) return;
if (ws && ws.readyState === WebSocket.OPEN) ws.close(); // abort previous request
ws = new WebSocket(`${url}/sdapi/v1/browser/files`);
await wsConnect(ws);
let numFiles = 0;
el.status.innerText = `Folder | ${evt.target.name}`;
const t0 = performance.now();
let t1 = performance.now();
let lastDir;
ws.onmessage = (event) => { // time is 20% list 80% create item
numFiles++;
t1 = performance.now();
if (event.data === '#END#') {
ws.close();
} else {
const json = JSON.parse(event.data);
const dir = json.file.match(/(.*)[\/\\]/) || '';
if (dir?.[1] !== lastDir) { // create separator
lastDir = dir[1];
const sep = document.createElement('div');
sep.className = 'gallery-separator';
sep.innerText = lastDir;
sep.title = lastDir;
el.files.appendChild(sep);
}
const file = new GalleryFile(json);
el.files.appendChild(file);
el.status.innerText = `Folder | ${evt.target.name} | ${numFiles.toLocaleString()} images | ${Math.floor(t1 - t0).toLocaleString()}ms`;
}
};
ws.onclose = (event) => {
// log('gallery ws file enum', event);
};
ws.onerror = (event) => {
log('gallery ws error', event);
};
ws.send(evt.target.name);
}
async function galleryVisible() {
// if (el.folders.children.length > 0) return;
const res = await fetch('/sdapi/v1/browser/folders');
if (!res || res.status !== 200) return;
el.folders.innerHTML = '';
url = res.url.split('/sdapi')[0].replace('http', 'ws'); // update global url as ws need fqdn
const folders = await res.json();
for (const folder of folders) {
const f = new GalleryFolder(folder);
el.folders.appendChild(f);
}
}
async function galleryHidden() { /**/ }
async function galleryObserve() { // triggered on gradio change to monitor when ui gets sufficiently constructed
log('initBrowser');
el.folders = gradioApp().getElementById('tab-gallery-folders');
el.files = gradioApp().getElementById('tab-gallery-files');
el.status = gradioApp().getElementById('tab-gallery-status');
el.search = gradioApp().querySelector('#tab-gallery-search textarea');
el.search.addEventListener('input', gallerySearch);
el.btnSend = gradioApp().getElementById('tab-gallery-send-image');
const intersectionObserver = new IntersectionObserver((entries) => {
if (entries[0].intersectionRatio <= 0) galleryHidden();
if (entries[0].intersectionRatio > 0) galleryVisible();
});
intersectionObserver.observe(el.folders);
}
// register on startup
customElements.define('gallery-folder', GalleryFolder);
customElements.define('gallery-file', GalleryFile);
onUiLoaded(galleryObserve);