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lumeex/src/webui/js/main.js
2025-08-16 14:08:34 +02:00

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JavaScript
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// --- Arrays to store gallery and hero images ---
let galleryImages = [];
let heroImages = [];
let allTags = []; // global tag list
// --- Load images from server on page load ---
async function loadData() {
try {
const galleryRes = await fetch('/api/gallery');
galleryImages = await galleryRes.json();
updateAllTags();
renderGallery();
const heroRes = await fetch('/api/hero');
heroImages = await heroRes.json();
renderHero();
} catch(err) {
console.error(err);
showToast("Error loading images!", "error");
}
}
// --- Update global tag list from galleryImages ---
function updateAllTags() {
allTags = [];
galleryImages.forEach(img => {
if (img.tags) img.tags.forEach(t => {
if (!allTags.includes(t)) allTags.push(t);
});
});
}
// --- Render gallery images with tags and delete buttons ---
function renderGallery() {
const container = document.getElementById('gallery');
container.innerHTML = '';
galleryImages.forEach((img, i) => {
const div = document.createElement('div');
div.className = 'photo';
div.innerHTML = `
<img src="/photos/${img.src}">
<div class="tag-input" data-index="${i}"></div>
<button onclick="deleteGalleryImage(${i})">🗑 Delete</button>
`;
container.appendChild(div);
renderTags(div.querySelector('.tag-input'), img.tags || [], i);
});
}
// --- Render tags for a single image ---
function renderTags(container, tags, imgIndex) {
container.innerHTML = '';
// Render existing tags
tags.forEach(tag => {
const span = document.createElement('span');
span.className = 'tag';
span.textContent = tag;
const remove = document.createElement('span');
remove.className = 'remove-tag';
remove.textContent = '×';
remove.onclick = () => {
tags.splice(tags.indexOf(tag), 1);
updateTags(imgIndex, tags);
renderTags(container, tags, imgIndex);
};
span.appendChild(remove);
container.appendChild(span);
});
// Input for new tags
const input = document.createElement('input');
input.type = 'text';
input.placeholder = 'Add tag...';
container.appendChild(input);
// Suggestion dropdown
const suggestionBox = document.createElement('ul');
suggestionBox.className = 'suggestions';
container.appendChild(suggestionBox);
let selectedIndex = -1;
const addTag = (tag) => {
tag = tag.trim();
if (!tag) return;
if (!tags.includes(tag)) tags.push(tag);
updateTags(imgIndex, tags); // save to galleryImages and server
renderTags(container, tags, imgIndex);
};
const updateSuggestions = () => {
const value = input.value.toLowerCase();
const allTagsFlat = galleryImages.flatMap(img => img.tags || []);
const tagCount = {};
allTagsFlat.forEach(t => tagCount[t] = (tagCount[t] || 0) + 1);
const allTagsSorted = Object.keys(tagCount)
.sort((a, b) => tagCount[b] - tagCount[a]);
// Show suggestions that start with input (or all if empty)
const suggestions = allTagsSorted.filter(t => t.toLowerCase().startsWith(value) && !tags.includes(t));
suggestionBox.innerHTML = '';
selectedIndex = -1;
if (suggestions.length) {
suggestionBox.style.display = 'block';
suggestions.forEach((s, idx) => {
const li = document.createElement('li');
li.style.fontStyle = 'italic';
li.style.textAlign = 'left';
const boldPart = `<b>${s.substring(0, input.value.length)}</b>`;
const rest = s.substring(input.value.length);
li.innerHTML = boldPart + rest;
li.addEventListener('mousedown', (e) => {
e.preventDefault();
addTag(s);
input.value = '';
input.focus();
updateSuggestions();
});
li.onmouseover = () => selectedIndex = idx;
suggestionBox.appendChild(li);
});
} else {
suggestionBox.style.display = 'none';
}
};
input.addEventListener('input', updateSuggestions);
input.addEventListener('focus', updateSuggestions); // Show suggestions on focus
input.addEventListener('keydown', (e) => {
const items = suggestionBox.querySelectorAll('li');
if (e.key === 'ArrowDown') {
e.preventDefault();
if (!items.length) return;
selectedIndex = (selectedIndex + 1) % items.length;
items.forEach((li, i) => li.classList.toggle('selected', i === selectedIndex));
} else if (e.key === 'ArrowUp') {
e.preventDefault();
if (!items.length) return;
selectedIndex = (selectedIndex - 1 + items.length) % items.length;
items.forEach((li, i) => li.classList.toggle('selected', i === selectedIndex));
} else if (e.key === 'Enter') {
e.preventDefault();
if (selectedIndex >= 0 && items[selectedIndex]) {
addTag(items[selectedIndex].textContent);
} else {
addTag(input.value);
}
input.value = '';
updateSuggestions();
} else if ([' ', ','].includes(e.key)) {
e.preventDefault();
addTag(input.value);
input.value = '';
updateSuggestions();
}
});
input.addEventListener('blur', () => {
setTimeout(() => {
suggestionBox.style.display = 'none';
input.value = ''; // Clear input without saving
}, 150);
});
input.focus();
updateSuggestions(); // show suggestions on render
}
// --- Update tags in galleryImages array ---
function updateTags(index, tags) {
galleryImages[index].tags = tags;
saveGallery();
}
// --- Render hero images with delete buttons ---
function renderHero() {
const container = document.getElementById('hero');
container.innerHTML = '';
heroImages.forEach((img, i) => {
const div = document.createElement('div');
div.className = 'photo';
div.innerHTML = `
<img src="/photos/${img.src}">
<button onclick="deleteHeroImage(${i})">🗑 Delete</button>
`;
container.appendChild(div);
});
}
// --- Delete gallery image ---
async function deleteGalleryImage(index) {
const img = galleryImages[index];
try {
const res = await fetch('/api/gallery/delete', {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({ src: img.src.split('/').pop() })
});
const data = await res.json();
if (res.ok) {
galleryImages.splice(index, 1);
renderGallery();
await saveGallery();
showToast("✅ Gallery image deleted!", "success");
} else showToast("Error: " + data.error, "error");
} catch(err) {
console.error(err);
showToast("Server error!", "error");
}
}
// --- Delete hero image ---
async function deleteHeroImage(index) {
const img = heroImages[index];
try {
const res = await fetch('/api/hero/delete', {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({ src: img.src.split('/').pop() })
});
const data = await res.json();
if (res.ok) {
heroImages.splice(index, 1);
renderHero();
await saveHero();
showToast("✅ Hero image deleted!", "success");
} else showToast("Error: " + data.error, "error");
} catch(err) {
console.error(err);
showToast("Server error!", "error");
}
}
// --- Save gallery to server ---
async function saveGallery() {
await fetch('/api/gallery/update', {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify(galleryImages)
});
}
// --- Save hero to server ---
async function saveHero() {
await fetch('/api/hero/update', {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify(heroImages)
});
}
// --- Save all changes ---
async function saveChanges() {
await saveGallery();
await saveHero();
showToast('✅ Changes saved!', "success");
}
// --- Refresh gallery from folder ---
async function refreshGallery() {
await fetch('/api/gallery/refresh', { method: 'POST' });
await loadData();
showToast('🔄 Gallery updated from photos/gallery folder', "success");
}
// --- Refresh hero from folder ---
async function refreshHero() {
await fetch('/api/hero/refresh', { method: 'POST' });
await loadData();
showToast('🔄 Hero updated from photos/hero folder', "success");
}
// --- Show toast notification ---
function showToast(message, type = "success", duration = 3000) {
const container = document.getElementById("toast-container");
if (!container) return;
const toast = document.createElement("div");
toast.className = `toast ${type}`;
toast.textContent = message;
container.appendChild(toast);
requestAnimationFrame(() => toast.classList.add("show"));
setTimeout(() => {
toast.classList.remove("show");
toast.addEventListener("transitionend", () => toast.remove());
}, duration);
}
// --- Initialize ---
loadData();