577 lines
22 KiB
HTML
577 lines
22 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<title>{{ lesson.title }} - {{ course.name }}</title>
|
|
<style>
|
|
:root {
|
|
--bg-primary: #1a1a1a;
|
|
--bg-secondary: #2d2d2d;
|
|
--bg-tertiary: #3d3d3d;
|
|
--bg-tertiary-hover: #404040;
|
|
--text-primary: #e0e0e0;
|
|
--text-muted: #999;
|
|
--border-color: #555;
|
|
--accent: #007acc;
|
|
--accent-hover: #005a9e;
|
|
--font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
|
|
--font-size-base: 16px;
|
|
--container-max-width: 1600px;
|
|
--radius: 8px;
|
|
}
|
|
[data-theme="light"] {
|
|
--bg-primary: #f2f2f2;
|
|
--bg-secondary: #ffffff;
|
|
--bg-tertiary: #eeeeee;
|
|
--bg-tertiary-hover: #e2e2e2;
|
|
--text-primary: #222222;
|
|
--text-muted: #666666;
|
|
--border-color: #cccccc;
|
|
}
|
|
[data-density="compact"] .container { padding: 10px; }
|
|
[data-density="compact"] .text-content { padding: 10px; margin: 10px 0; }
|
|
[data-density="compact"] .navigation,
|
|
[data-density="compact"] .nav-buttons { gap: 5px; margin: 10px 0; }
|
|
[data-card-style="elevated"] .container,
|
|
[data-card-style="elevated"] .text-content,
|
|
[data-card-style="elevated"] .file-link {
|
|
box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
|
|
}
|
|
[data-card-style="bordered"] .container,
|
|
[data-card-style="bordered"] .text-content,
|
|
[data-card-style="bordered"] .file-link {
|
|
border: 1px solid var(--border-color);
|
|
}
|
|
html, body {
|
|
height: 100%;
|
|
}
|
|
body {
|
|
font-family: var(--font-family);
|
|
font-size: var(--font-size-base);
|
|
margin: 0;
|
|
background: var(--bg-primary);
|
|
color: var(--text-primary);
|
|
display: flex;
|
|
flex-direction: column;
|
|
min-height: 100vh;
|
|
}
|
|
.page-content {
|
|
flex: 1;
|
|
padding: 20px;
|
|
}
|
|
.app-header {
|
|
background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
|
|
padding: 18px 0;
|
|
border-bottom: 3px solid var(--accent);
|
|
box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
|
|
}
|
|
.app-header .container {
|
|
max-width: var(--container-max-width);
|
|
width: 95%;
|
|
margin: 0 auto;
|
|
display: flex;
|
|
align-items: center;
|
|
gap: 12px;
|
|
}
|
|
.app-header .brand-icon {
|
|
font-size: 1.6em;
|
|
}
|
|
.app-header a.brand-link {
|
|
color: var(--accent);
|
|
text-decoration: none;
|
|
font-size: 1.3em;
|
|
font-weight: 600;
|
|
letter-spacing: 0.5px;
|
|
}
|
|
.app-footer {
|
|
background: var(--bg-secondary);
|
|
border-top: 1px solid var(--border-color);
|
|
padding: 18px 0;
|
|
}
|
|
.app-footer .container-inner {
|
|
max-width: var(--container-max-width);
|
|
width: 95%;
|
|
margin: 0 auto;
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: space-between;
|
|
gap: 15px;
|
|
flex-wrap: wrap;
|
|
}
|
|
.footer-brand {
|
|
color: var(--text-muted);
|
|
font-size: 0.9em;
|
|
display: flex;
|
|
align-items: center;
|
|
gap: 8px;
|
|
}
|
|
.footer-links {
|
|
display: flex;
|
|
gap: 20px;
|
|
}
|
|
.footer-links a {
|
|
color: var(--text-muted);
|
|
text-decoration: none;
|
|
font-size: 0.9em;
|
|
display: flex;
|
|
align-items: center;
|
|
gap: 6px;
|
|
transition: color 0.2s;
|
|
}
|
|
.footer-links a:hover {
|
|
color: var(--accent);
|
|
}
|
|
.container {
|
|
max-width: var(--container-max-width);
|
|
width: 95%;
|
|
margin: 20px auto;
|
|
background: var(--bg-secondary);
|
|
padding: 20px;
|
|
border-radius: var(--radius);
|
|
}
|
|
video, audio {
|
|
width: 100%;
|
|
max-width: 100%;
|
|
border-radius: var(--radius);
|
|
display: block;
|
|
margin: 0 auto;
|
|
}
|
|
video {
|
|
resize: both;
|
|
overflow: hidden;
|
|
object-fit: contain;
|
|
background: #000;
|
|
min-width: 320px;
|
|
min-height: 200px;
|
|
}
|
|
.resize-hint {
|
|
text-align: center;
|
|
font-size: 0.8em;
|
|
color: var(--text-muted);
|
|
margin-top: 6px;
|
|
}
|
|
.content {
|
|
margin: 20px 0;
|
|
}
|
|
.navigation {
|
|
margin: 20px 0;
|
|
display: flex;
|
|
gap: 10px;
|
|
flex-wrap: wrap;
|
|
align-items: center;
|
|
}
|
|
button {
|
|
padding: 10px 20px;
|
|
margin: 5px;
|
|
cursor: pointer;
|
|
background: var(--accent);
|
|
color: white;
|
|
border: none;
|
|
border-radius: var(--radius);
|
|
transition: background 0.3s;
|
|
}
|
|
button:hover {
|
|
background: var(--accent-hover);
|
|
}
|
|
button:disabled {
|
|
background: #666;
|
|
cursor: not-allowed;
|
|
}
|
|
.file-link {
|
|
display: block;
|
|
margin: 5px 0;
|
|
padding: 10px;
|
|
background: var(--bg-tertiary);
|
|
text-decoration: none;
|
|
color: var(--text-primary);
|
|
border-radius: var(--radius);
|
|
transition: background 0.3s;
|
|
}
|
|
.file-link:hover {
|
|
background: var(--bg-tertiary-hover);
|
|
}
|
|
.lesson-path {
|
|
background: var(--bg-tertiary);
|
|
padding: 10px;
|
|
border-radius: var(--radius);
|
|
margin-bottom: 20px;
|
|
font-family: monospace;
|
|
color: var(--text-muted);
|
|
}
|
|
.lesson-title {
|
|
color: var(--accent);
|
|
margin-bottom: 20px;
|
|
}
|
|
.text-content {
|
|
background: var(--bg-tertiary);
|
|
padding: 20px;
|
|
border-radius: var(--radius);
|
|
margin: 20px 0;
|
|
}
|
|
.text-content.plain-text {
|
|
max-height: 600px;
|
|
overflow-y: auto;
|
|
white-space: pre-wrap;
|
|
font-family: 'Courier New', monospace;
|
|
line-height: 1.6;
|
|
}
|
|
.text-content iframe {
|
|
background: white;
|
|
border-radius: var(--radius);
|
|
}
|
|
.nav-buttons {
|
|
display: flex;
|
|
gap: 10px;
|
|
margin-top: 20px;
|
|
}
|
|
.nav-buttons a {
|
|
text-decoration: none;
|
|
color: inherit;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div class="app-header">
|
|
<div class="container">
|
|
<span class="brand-icon">📚</span>
|
|
<a href="/" class="brand-link">OfflineU</a>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="page-content">
|
|
<div class="container">
|
|
<h1 class="lesson-title">{{ lesson.title }}</h1>
|
|
|
|
<div class="lesson-path">
|
|
<strong>Path:</strong> {{ lesson_path }}
|
|
</div>
|
|
|
|
<div class="navigation">
|
|
<a href="/" style="text-decoration: none; color: var(--accent);">← Back to Course</a>
|
|
<button onclick="markCompleted()">Mark as Completed</button>
|
|
</div>
|
|
|
|
<div class="content">
|
|
{% if lesson.video_file %}
|
|
<h3>Video</h3>
|
|
<video controls preload="metadata" id="video-player">
|
|
<source src="/files/{{ lesson.video_file }}" type="video/mp4">
|
|
{% if lesson.subtitle_file %}
|
|
<track kind="subtitles" src="/files/{{ lesson.subtitle_file }}" srclang="en" label="English">
|
|
{% endif %}
|
|
Your browser does not support the video tag.
|
|
</video>
|
|
<p class="resize-hint">↘ Drag the bottom-right corner to resize the player</p>
|
|
{% endif %}
|
|
|
|
{% if lesson.audio_file %}
|
|
<h3>Audio</h3>
|
|
<audio controls preload="metadata" id="audio-player">
|
|
<source src="/files/{{ lesson.audio_file }}" type="audio/mp3">
|
|
Your browser does not support the audio tag.
|
|
</audio>
|
|
{% endif %}
|
|
|
|
{% if lesson.text_files %}
|
|
<h3>Content</h3>
|
|
{% for text_file in lesson.text_files %}
|
|
<div style="margin-bottom: 20px;">
|
|
<h4>{{ text_file.split('/')[-1] }}</h4>
|
|
<div class="text-content" id="content-{{ loop.index0 }}">
|
|
<div style="text-align: center; color: #666;">Loading content...</div>
|
|
</div>
|
|
<a href="/files/{{ text_file|replace('\\', '/') }}" class="file-link" target="_blank">
|
|
📄 Open {{ text_file.split('/')[-1] }} in new tab
|
|
</a>
|
|
</div>
|
|
{% endfor %}
|
|
{% endif %}
|
|
</div>
|
|
|
|
<div class="nav-buttons">
|
|
{% if prev_lesson %}
|
|
<a href="/lesson/{{ prev_lesson }}">
|
|
<button>← Previous</button>
|
|
</a>
|
|
{% else %}
|
|
<button disabled>← Previous</button>
|
|
{% endif %}
|
|
|
|
{% if next_lesson %}
|
|
<a href="/lesson/{{ next_lesson }}">
|
|
<button>Next →</button>
|
|
</a>
|
|
{% else %}
|
|
<button disabled>Next →</button>
|
|
{% endif %}
|
|
</div>
|
|
|
|
<script>
|
|
// Load text content
|
|
{% for text_file in lesson.text_files %}
|
|
console.log('Loading file: {{ text_file }}');
|
|
const filePath = '{{ text_file|replace("\\", "/") }}';
|
|
console.log('Encoded file path:', filePath);
|
|
|
|
// Check if this is an HTML file
|
|
const isHtmlFile = filePath.toLowerCase().endsWith('.html') || filePath.toLowerCase().endsWith('.htm');
|
|
const isPdfFile = filePath.toLowerCase().endsWith('.pdf');
|
|
const isBinaryDoc = ['.docx', '.doc', '.rtf'].some(ext => filePath.toLowerCase().endsWith(ext));
|
|
const contentDiv = document.getElementById('content-{{ loop.index0 }}');
|
|
|
|
if (isHtmlFile) {
|
|
// For HTML files, create an iframe
|
|
console.log('Creating iframe for HTML file');
|
|
contentDiv.innerHTML = `
|
|
<iframe
|
|
src="/files/${encodeURIComponent(filePath)}"
|
|
style="width: 100%; height: 600px; border: none; border-radius: 5px;"
|
|
title="${filePath.split('/').pop()}"
|
|
></iframe>
|
|
`;
|
|
} else if (isPdfFile) {
|
|
// For PDFs, embed via iframe rather than fetching as text -
|
|
// browsers render PDFs natively in an iframe, but fetching
|
|
// the raw bytes as text (like below) produces garbage.
|
|
console.log('Embedding PDF in iframe');
|
|
contentDiv.innerHTML = `
|
|
<iframe
|
|
src="/files/${encodeURIComponent(filePath)}"
|
|
style="width: 100%; height: 85vh; border: none; border-radius: 5px; background: #fff;"
|
|
title="${filePath.split('/').pop()}"
|
|
></iframe>
|
|
`;
|
|
} else if (isBinaryDoc) {
|
|
// .docx/.doc/.rtf can't be rendered inline by the browser;
|
|
// fetching them as text would show garbled binary content,
|
|
// so just point at the download/open link instead.
|
|
contentDiv.innerHTML =
|
|
'<div style="color: #999;">Preview isn\'t available for this file type. ' +
|
|
'Use the "Open in new tab" link below to view or download it.</div>';
|
|
} else {
|
|
// For text files, fetch and display content
|
|
fetch('/files/' + encodeURIComponent(filePath))
|
|
.then(response => {
|
|
console.log('Response status:', response.status);
|
|
if (!response.ok) {
|
|
throw new Error(`HTTP ${response.status}: ${response.statusText}`);
|
|
}
|
|
return response.text();
|
|
})
|
|
.then(content => {
|
|
console.log('Content loaded successfully, length:', content.length);
|
|
if (contentDiv) {
|
|
contentDiv.classList.add('plain-text');
|
|
// Check if it's HTML content
|
|
if (content.trim().startsWith('<') && content.includes('</')) {
|
|
contentDiv.innerHTML = content;
|
|
} else {
|
|
// Treat as plain text
|
|
contentDiv.textContent = content;
|
|
}
|
|
}
|
|
})
|
|
.catch(error => {
|
|
console.error('Error loading content:', error);
|
|
if (contentDiv) {
|
|
contentDiv.innerHTML =
|
|
'<div style="color: #ff6b6b;">Error loading content: ' + error.message + '</div>' +
|
|
'<div style="color: #999; font-size: 0.9em; margin-top: 10px;">File path: ' + filePath + '</div>';
|
|
}
|
|
});
|
|
}
|
|
{% endfor %}
|
|
|
|
// Media progress tracking
|
|
const video = document.getElementById('video-player');
|
|
const audio = document.getElementById('audio-player');
|
|
const activeMedia = video || audio;
|
|
let isCompleted = false;
|
|
|
|
// Restore last-used video player size, and persist future resizes
|
|
// (dragging the native corner handle) so it sticks next time.
|
|
if (video) {
|
|
let applyingStoredSize = true;
|
|
let resizeSaveTimeout = null;
|
|
|
|
fetch('/api/settings')
|
|
.then(r => r.json())
|
|
.then(data => {
|
|
const s = data.settings || {};
|
|
if (s.video_width && s.video_height) {
|
|
video.style.width = s.video_width + 'px';
|
|
video.style.height = s.video_height + 'px';
|
|
}
|
|
setTimeout(() => { applyingStoredSize = false; }, 300);
|
|
})
|
|
.catch(() => { applyingStoredSize = false; });
|
|
|
|
if (window.ResizeObserver) {
|
|
const observer = new ResizeObserver(() => {
|
|
if (applyingStoredSize) return;
|
|
clearTimeout(resizeSaveTimeout);
|
|
resizeSaveTimeout = setTimeout(() => {
|
|
const rect = video.getBoundingClientRect();
|
|
fetch('/api/settings', {
|
|
method: 'POST',
|
|
headers: { 'Content-Type': 'application/json' },
|
|
body: JSON.stringify({
|
|
video_width: Math.round(rect.width),
|
|
video_height: Math.round(rect.height)
|
|
})
|
|
}).catch(() => {});
|
|
}, 500);
|
|
});
|
|
observer.observe(video);
|
|
}
|
|
}
|
|
|
|
if (activeMedia) {
|
|
let lastSaveTime = 0;
|
|
|
|
activeMedia.addEventListener('timeupdate', function() {
|
|
const currentTime = activeMedia.currentTime;
|
|
|
|
// Save progress every 15 seconds
|
|
if (currentTime - lastSaveTime > 15) {
|
|
saveProgress(currentTime);
|
|
lastSaveTime = currentTime;
|
|
}
|
|
});
|
|
|
|
activeMedia.addEventListener('ended', function() {
|
|
saveProgress(activeMedia.currentTime, true);
|
|
markAsCompleted();
|
|
});
|
|
|
|
// Resume from saved position
|
|
const savedProgress = {{ lesson.progress_seconds|default(0) }};
|
|
if (savedProgress > 0 && savedProgress < activeMedia.duration - 30) {
|
|
activeMedia.currentTime = savedProgress;
|
|
showNotification(`Resumed from ${Math.floor(savedProgress / 60)}:${String(Math.floor(savedProgress % 60)).padStart(2, '0')}`);
|
|
}
|
|
}
|
|
|
|
function saveProgress(progressSeconds, completed = false) {
|
|
fetch('/api/progress', {
|
|
method: 'POST',
|
|
headers: {'Content-Type': 'application/json'},
|
|
body: JSON.stringify({
|
|
lesson_path: '{{ lesson_path }}',
|
|
completed: completed,
|
|
progress_seconds: Math.floor(progressSeconds)
|
|
})
|
|
}).catch(err => console.error('Failed to save progress:', err));
|
|
}
|
|
|
|
function markCompleted() {
|
|
if (isCompleted) return;
|
|
|
|
const currentTime = activeMedia ? activeMedia.currentTime : 0;
|
|
saveProgress(currentTime, true);
|
|
markAsCompleted();
|
|
}
|
|
|
|
function markAsCompleted() {
|
|
const btn = document.querySelector('button[onclick="markCompleted()"]');
|
|
if (btn) {
|
|
btn.textContent = 'Completed ✓';
|
|
btn.style.background = '#28a745';
|
|
btn.disabled = true;
|
|
}
|
|
isCompleted = true;
|
|
showNotification('Lesson marked as completed!', 'success');
|
|
}
|
|
|
|
function showNotification(message, type = 'info') {
|
|
const notification = document.createElement('div');
|
|
notification.style.cssText = `
|
|
position: fixed;
|
|
top: 20px;
|
|
right: 20px;
|
|
background: ${type === 'success' ? '#28a745' : '#007acc'};
|
|
color: white;
|
|
padding: 15px 20px;
|
|
border-radius: 5px;
|
|
z-index: 10000;
|
|
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
|
|
opacity: 0;
|
|
transform: translateY(-20px);
|
|
transition: all 0.3s ease;
|
|
`;
|
|
notification.textContent = message;
|
|
|
|
document.body.appendChild(notification);
|
|
|
|
setTimeout(() => {
|
|
notification.style.opacity = '1';
|
|
notification.style.transform = 'translateY(0)';
|
|
}, 100);
|
|
|
|
setTimeout(() => {
|
|
notification.style.opacity = '0';
|
|
notification.style.transform = 'translateY(-20px)';
|
|
setTimeout(() => {
|
|
if (document.body.contains(notification)) {
|
|
document.body.removeChild(notification);
|
|
}
|
|
}, 300);
|
|
}, 3000);
|
|
}
|
|
|
|
// Keyboard shortcuts
|
|
document.addEventListener('keydown', function(e) {
|
|
if (activeMedia && !e.ctrlKey && !e.altKey && !e.metaKey) {
|
|
switch(e.key) {
|
|
case ' ':
|
|
e.preventDefault();
|
|
if (activeMedia.paused) {
|
|
activeMedia.play();
|
|
} else {
|
|
activeMedia.pause();
|
|
}
|
|
break;
|
|
case 'ArrowLeft':
|
|
e.preventDefault();
|
|
activeMedia.currentTime = Math.max(0, activeMedia.currentTime - 10);
|
|
break;
|
|
case 'ArrowRight':
|
|
e.preventDefault();
|
|
activeMedia.currentTime = Math.min(activeMedia.duration, activeMedia.currentTime + 10);
|
|
break;
|
|
case 'ArrowUp':
|
|
e.preventDefault();
|
|
activeMedia.volume = Math.min(1, activeMedia.volume + 0.1);
|
|
showNotification(`Volume: ${Math.round(activeMedia.volume * 100)}%`);
|
|
break;
|
|
case 'ArrowDown':
|
|
e.preventDefault();
|
|
activeMedia.volume = Math.max(0, activeMedia.volume - 0.1);
|
|
showNotification(`Volume: ${Math.round(activeMedia.volume * 100)}%`);
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
|
|
// Set completed state if already completed
|
|
if ({{ 'true' if lesson.completed else 'false' }}) {
|
|
markAsCompleted();
|
|
}
|
|
</script>
|
|
</div>
|
|
</div>
|
|
|
|
<footer class="app-footer">
|
|
<div class="container-inner">
|
|
<div class="footer-brand">
|
|
📚 <span>OfflineU</span>
|
|
</div>
|
|
<div class="footer-links">
|
|
<a href="/help">❓ Help</a>
|
|
<a href="/settings">⚙ Settings</a>
|
|
</div>
|
|
</div>
|
|
</footer>
|
|
|
|
<script src="/static/theme.js"></script>
|
|
</body>
|
|
</html> |