book1 / reader.html
vericudebuget's picture
Update reader.html
55b743d verified
raw
history blame
5.47 kB
<!DOCTYPE html>
<html lang="ro">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Cititor</title>
<style>
body {
margin: 0;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 100vh;
background-color: #f5f5f5;
overflow: hidden;
}
#reader-container {
position: relative;
width: 100%;
height: 100%;
overflow: hidden;
display: flex;
justify-content: center;
align-items: center;
}
#page-image, #next-page-image {
position: absolute;
width: 100%;
height: auto;
transform-origin: center center;
transition: opacity 0.2s ease;
cursor: grab;
opacity: 1;
z-index: 1;
}
#next-page-image {
opacity: 0;
z-index: 0;
}
@media (min-width: 768px) {
#page-image, #next-page-image {
height: 90vh;
width: auto;
}
}
.controls {
position: absolute;
bottom: 20px;
display: flex;
justify-content: center;
gap: 10px;
}
button {
padding: 10px 20px;
font-size: 16px;
cursor: pointer;
border: none;
border-radius: 5px;
background-color: #007bff;
color: white;
transition: background-color 0.3s;
}
button:disabled {
background-color: #ddd;
cursor: not-allowed;
}
button:hover:not(:disabled) {
background-color: #0056b3;
}
#page-input {
position: absolute;
top: 20px;
font-size: 24px;
padding: 10px 20px;
border: none;
border-radius: 10px;
text-align: center;
z-index: 1;
width: 210px;
}
#page-input:focus {
outline: none;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}
#page-number {
position: absolute;
top: 20px;
left: 20px;
font-size: 24px;
padding: 10px 20px;
border: none;
border-radius: 10px;
text-align: center;
z-index: 1;
background-color: #007bff;
color: white;
}
#loading-message {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
font-size: 24px;
color: #333;
}
</style>
</head>
<body>
<div id="reader-container">
<div id="page-number"></div>
<input id="page-input" type="number" placeholder="Introdu pagina" oninput="handlePageInput(this.value)">
<img id="page-image" src="pages/1.jpg" alt="Pagina 1">
<img id="next-page-image" src="" alt="" style="display: none;">
<div id="loading-message">Imaginea se încarcă, vă rog așteptați</div>
</div>
<div class="controls">
<button id="prev-button" disabled>Înapoi</button>
<button id="next-button">Înainte</button>
</div>
<script>
const TOTAL_PAGES = 92;
let currentPage = 1;
const currentImageElement = document.getElementById('page-image');
const nextPageImageElement = document.getElementById('next-page-image');
const prevButton = document.getElementById('prev-button');
const nextButton = document.getElementById('next-button');
const pageNumberElement = document.getElementById('page-number');
const loadingMessage = document.getElementById('loading-message');
// Function to update the displayed page with cross-fade
const updatePage = (newPage) => {
currentPage = newPage;
prevButton.disabled = currentPage === 1;
nextButton.disabled = currentPage === TOTAL_PAGES;
const pageNumber = currentPage * 2 + 1;
pageNumberElement.textContent = `${pageNumber - 1}-${pageNumber}`;
// Load the new image into the next image element
nextPageImageElement.src = `pages/${currentPage}.jpg`;
nextPageImageElement.alt = `Pagina ${currentPage}`;
// Start the cross-fade transition
currentImageElement.style.opacity = '0';
nextPageImageElement.style.opacity = '1';
nextPageImageElement.style.zIndex = '2';
setTimeout(() => {
// Swap the images
[currentImageElement.src, nextPageImageElement.src] = [nextPageImageElement.src, ''];
currentImageElement.style.opacity = '1';
currentImageElement.style.zIndex = '1';
nextPageImageElement.style.opacity = '0';
nextPageImageElement.style.zIndex = '0';
}, 200); // Match the transition duration (0.2s)
};
// Event listeners for buttons
prevButton.addEventListener('click', () => {
if (currentPage > 1) {
updatePage(currentPage - 1);
}
});
nextButton.addEventListener('click', () => {
if (currentPage < TOTAL_PAGES) {
updatePage(currentPage + 1);
}
});
// Keyboard navigation
window.addEventListener('keydown', (e) => {
if (e.key === 'ArrowLeft' && !prevButton.disabled) {
prevButton.click();
} else if (e.key === 'ArrowRight' && !nextButton.disabled) {
nextButton.click();
}
});
// Handle page input
function handlePageInput(value) {
const pageNumber = parseInt(value);
if (!isNaN(pageNumber)) {
let newPage = Math.ceil(pageNumber / 2);
if (newPage < 1) newPage = 1;
if (newPage > TOTAL_PAGES) newPage = TOTAL_PAGES;
updatePage(newPage);
}
}
// Initialize the first page
updatePage(1);
</script>
</body>
</html>