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<!-- templates/flashcards.html -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Flashcards</title>
<link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}">
</head>
<body>
<div class="flashcard" id="flashcard">
<div class="content">
<h2 id="card-header">Set: {{ set_name }} ({{ index + 1 }}/{{ total }})</h2>
<p id="card-text"><strong>Japanese:</strong> {{ japanese }}</p>
<audio controls id="audioPlayer">
<source src="{{ audio_url }}" type="audio/mp3">
Your browser does not support the audio element.
</audio>
</div>
<div class="navigation">
<button id="prevBtn">Previous</button>
<button id="flipBtn">Flip</button>
<button id="nextBtn">Next</button>
</div>
</div>
<script>
let showingJapanese = true;
let currentIndex = {{ index }};
const setName = '{{ set_name }}';
const total = {{ total }};
let japaneseText = "{{ japanese }}";
let chineseText = "{{ chinese }}";
const flipBtn = document.getElementById('flipBtn');
const prevBtn = document.getElementById('prevBtn');
const nextBtn = document.getElementById('nextBtn');
const cardText = document.getElementById('card-text');
const cardHeader = document.getElementById('card-header');
const audioPlayer = document.getElementById('audioPlayer');
// Function to fetch and update flashcard data
function updateFlashcard(setName, newIndex) {
fetch(`/api/flashcards?set=${setName}&index=${newIndex}`)
.then(response => {
if (!response.ok) {
throw new Error('Network response was not ok');
}
return response.json();
})
.then(data => {
if (data.error) {
alert(data.error);
return;
}
japaneseText = data.japanese;
chineseText = data.chinese;
currentIndex = data.index;
// Update header
cardHeader.innerHTML = `Set: ${data.set_name} (${currentIndex + 1}/${data.total})`;
// Update text
if (showingJapanese) {
cardText.innerHTML = "<strong>Japanese:</strong> " + japaneseText;
} else {
cardText.innerHTML = "<strong>Chinese:</strong> " + chineseText;
}
// Update audio
audioPlayer.src = data.audio_url;
audioPlayer.play();
// Update URL without reloading the page
const newUrl = `/flashcards?set=${data.set_name}&index=${data.index}`;
window.history.pushState(null, '', newUrl);
})
.catch(error => {
console.error('Error fetching flashcard data:', error);
});
}
// Flip button event
flipBtn.addEventListener('click', function() {
if (showingJapanese) {
cardText.innerHTML = "<strong>Chinese:</strong> " + chineseText;
showingJapanese = false;
} else {
cardText.innerHTML = "<strong>Japanese:</strong> " + japaneseText;
showingJapanese = true;
}
});
// Previous button event
prevBtn.addEventListener('click', function() {
let newIndex = (currentIndex - 1 + total) % total;
updateFlashcard(setName, newIndex);
});
// Next button event
nextBtn.addEventListener('click', function() {
let newIndex = (currentIndex + 1) % total;
updateFlashcard(setName, newIndex);
});
// Handle browser navigation (back/forward)
window.addEventListener('popstate', function() {
const urlParams = new URLSearchParams(window.location.search);
const setName = urlParams.get('set') || 'A';
const index = parseInt(urlParams.get('index')) || 0;
updateFlashcard(setName, index);
});
</script>
</body>
</html>
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