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<!DOCTYPE html>
<html>
<head>
<title> waterpi </title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.gallery {
max-width: 800px;
margin: 0 auto;
text-align: center;
}
.main-image {
margin-bottom: 20px;
}
.main-image img {
width: 100%;
height: auto;
display: block;
margin: 0 auto;
object-fit: contain;
}
.controls {
display: flex;
justify-content: center;
gap: 20px;
align-items: center;
}
.nav-button {
padding: 10px 20px;
font-size: 24px;
cursor: pointer;
border: none;
background-color: #f0f0f0;
border-radius: 5px;
transition: background-color 0.3s;
}
.now-button {
padding: 12px 24px;
font-size: 16px;
font-weight: bold;
cursor: pointer;
border: none;
background-color: #4CAF50;
color: white;
border-radius: 5px;
transition: background-color 0.3s;
}
.now-button:hover {
background-color: #45a049;
}
.nav-button:hover {
background-color: #e0e0e0;
}
.nav-button:disabled, .now-button:disabled {
opacity: 0.5;
cursor: not-allowed;
}
</style>
</head>
<body>
<div class="gallery">
<div class="main-image">
<img id="featured" src="" alt="Hauptbild" onerror="this.src='error.png'">
</div>
<div class="controls">
<button onclick="jumpDays(-7)" class="nav-button"><img src="fbck.png"></button>
<button onclick="jumpDays(-1)" class="nav-button"><img src="bck.png"></button>
<button onclick="jumpToCurrent()" class="now-button"><img src="stop.png"></button>
<button onclick="jumpDays(1)" class="nav-button"><img src="fwd.png"></button>
<button onclick="jumpDays(7)" class="nav-button"><img src="ffwd.png"></button>
</div>
</div>
<a href="index.html">go to current day</a>
</body>
</html>
<script>
let currentDate = new Date();
function formatDateString(date) {
const year = date.getFullYear();
const month = (date.getMonth() + 1).toString().padStart(2, '0');
const day = date.getDate().toString().padStart(2, '0');
return `${year}-${month}-${day}_12_00`;
}
function updateGallery() {
// Setze die Uhrzeit auf 12:00
currentDate.setHours(12, 0, 0, 0);
updateImage();
updateButtons();
}
function jumpDays(days) {
const newDate = new Date(currentDate);
newDate.setDate(newDate.getDate() + days);
const today = new Date();
today.setHours(12, 0, 0, 0);
// Prüfe ob das neue Datum nicht in der Zukunft liegt
if (newDate <= today) {
currentDate = newDate;
updateImage();
updateButtons();
}
}
function jumpToCurrent() {
const today = new Date();
today.setHours(12, 0, 0, 0);
currentDate = today;
updateImage();
updateButtons();
}
function updateImage() {
const dateString = formatDateString(currentDate);
const img = document.getElementById('featured');
img.src = `waterpi_12h_images/${dateString}.jpg`;
}
function updateButtons() {
const today = new Date();
today.setHours(12, 0, 0, 0);
const buttons = document.querySelectorAll('.nav-button');
// Deaktiviere Vorwärts-Buttons wenn aktueller Tag erreicht
buttons[2].disabled = currentDate.getTime() + 24 * 60 * 60 * 1000 > today.getTime();
buttons[3].disabled = currentDate.getTime() + 7 * 24 * 60 * 60 * 1000 > today.getTime();
// Deaktiviere den Heute-Button wenn bereits der aktuelle Tag angezeigt wird
document.querySelector('.now-button').disabled =
currentDate.getTime() === today.getTime();
}
document.addEventListener('keydown', function(event) {
switch(event.key) {
case 'ArrowUp':
jumpDays(7); // Vorwärts um 1 Stunde
break;
case 'ArrowDown':
jumpDays(-7); // Rückwärts um 1 Stunde
break;
case 'ArrowRight':
jumpDays(1); // Vorwärts um 15 Minuten
break;
case 'ArrowLeft':
jumpDays(-1); // Rückwärts um 15 Minuten
break;
}
});
// Initial gallery setup
updateGallery();
// Aktualisiere die Galerie jede Sekunde
//setInterval(updateGallery, 1000);
</script>
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