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improve text to speech web interface
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,315 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="author" content="ubaldo@eja.it"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <link href="//eja.it/logo/eja.png" rel="icon" type="image/png"> | ||
| <link href="/static/bootstrap.min.css" rel="stylesheet"> | ||
| <link href="/static/bootstrap-icons.css" rel="stylesheet"> | ||
| <style> | ||
| .highlight { | ||
| background-color: #fff3cd; | ||
| transition: background-color 0.3s; | ||
| } | ||
| .highlight-section { | ||
| background-color: #e2e3e5; | ||
| transition: background-color 0.3s; | ||
| } | ||
| .control-buttons { | ||
| position: fixed; | ||
| top: 20px; | ||
| right: 20px; | ||
| display: flex; | ||
| flex-direction: column; | ||
| align-items: center; | ||
| gap: 5px; | ||
| z-index: 2000; | ||
| } | ||
| .control-button { | ||
| display: flex; | ||
| align-items: center; | ||
| justify-content: center; | ||
| } | ||
| .button-row { | ||
| display: flex; | ||
| gap: 5px; | ||
| } | ||
| </style> | ||
| </head> | ||
| <body> | ||
| <div class="container mt-4"> | ||
| <h1 id="articleTitle" class="text-center mb-4"></h1> | ||
| <div id="articleContent" class="mb-4"></div> | ||
| </div> | ||
| <div class="control-buttons"> | ||
| <div class="button-row"> | ||
| <button class="btn btn-sm btn-outline-secondary control-button" id="prevSection"> | ||
| <i class="bi bi-chevron-up"></i> | ||
| </button> | ||
| </div> | ||
| <div class="button-row"> | ||
| <button class="btn btn-sm btn-outline-secondary control-button" id="prevText"> | ||
| <i class="bi bi-chevron-left"></i> | ||
| </button> | ||
| <button class="btn btn-sm btn-primary control-button" id="playPause"> | ||
| <i class="bi bi-play-fill" id="playPauseIcon"></i> | ||
| </button> | ||
| <button class="btn btn-sm btn-outline-secondary control-button" id="nextText"> | ||
| <i class="bi bi-chevron-right"></i> | ||
| </button> | ||
| </div> | ||
| <div class="button-row"> | ||
| <button class="btn btn-sm btn-outline-secondary control-button" id="nextSection"> | ||
| <i class="bi bi-chevron-down"></i> | ||
| </button> | ||
| </div> | ||
| </div> | ||
| <script> | ||
| let article = null; | ||
| let currentSection = 0; | ||
| let currentText = 0; | ||
| let utterance = null; | ||
| let isPlaying = false; | ||
| let isLastItem = false; | ||
| let isSpeakingSection = false; | ||
| let language = 'en-US'; | ||
|
|
||
| async function fetchArticle(articleId) { | ||
| try { | ||
| const response = await fetch(`/api/article?id=${articleId}`); | ||
| const data = await response.json(); | ||
| if (data.status === 'success') { | ||
| article = data.article[0]; | ||
| displayArticle(); | ||
| } | ||
| } catch (error) { | ||
| console.error('Error fetching article:', error); | ||
| } | ||
| } | ||
|
|
||
| function displayArticle() { | ||
| document.getElementById('articleTitle').textContent = article.title; | ||
| document.title = article.title; | ||
| const container = document.getElementById('articleContent'); | ||
| container.innerHTML = ''; | ||
| article.sections.forEach((section, sectionIndex) => { | ||
| const sectionDiv = document.createElement('div'); | ||
| sectionDiv.className = 'mb-4'; | ||
| const title = document.createElement('h2'); | ||
| title.textContent = section.title; | ||
| title.id = `section-${sectionIndex}`; | ||
| sectionDiv.appendChild(title); | ||
| section.texts.forEach((text, textIndex) => { | ||
| const p = document.createElement('p'); | ||
| p.textContent = text; | ||
| p.id = `text-${sectionIndex}-${textIndex}`; | ||
| sectionDiv.appendChild(p); | ||
| }); | ||
| container.appendChild(sectionDiv); | ||
| }); | ||
| } | ||
|
|
||
| function speak(text, isSectionTitle = false) { | ||
| if (utterance) { | ||
| speechSynthesis.cancel(); | ||
| } | ||
| utterance = new SpeechSynthesisUtterance(text); | ||
| utterance.lang = language; | ||
| isSpeakingSection = isSectionTitle; | ||
| if (isSectionTitle) { | ||
| utterance.volume = 1.0; | ||
| utterance.rate = 0.9; | ||
| text += '... ... ...'; | ||
| } | ||
| utterance.onend = () => { | ||
| if (isPlaying && !isLastItem) { | ||
| if (isSpeakingSection) { | ||
| setTimeout(() => { | ||
| currentText = 0; | ||
| const firstTextElement = document.getElementById(`text-${currentSection}-${currentText}`); | ||
| if (firstTextElement) { | ||
| speak(firstTextElement.textContent, false); | ||
| highlightCurrent(false); | ||
| } | ||
| }, 2000); | ||
| } else { | ||
| if (currentText === article.sections[currentSection].texts.length - 1) { | ||
| if (currentSection < article.sections.length - 1) { | ||
| currentSection++; | ||
| currentText = 0; | ||
| const sectionTitle = document.getElementById(`section-${currentSection}`); | ||
| if (sectionTitle) { | ||
| speak(sectionTitle.textContent, true); | ||
| highlightCurrent(true); | ||
| } | ||
| } else { | ||
| isLastItem = true; | ||
| isPlaying = false; | ||
| document.getElementById('playPauseIcon').className = 'bi bi-play-fill'; | ||
| } | ||
| } else { | ||
| nextText(); | ||
| } | ||
| } | ||
| } | ||
| }; | ||
| speechSynthesis.speak(utterance); | ||
| } | ||
|
|
||
| function speakCurrent(section = false) { | ||
| const currentElement = document.getElementById(`text-${currentSection}-${currentText}`); | ||
| const sectionTitle = document.getElementById(`section-${currentSection}`); | ||
| const articleTitle = document.getElementById('articleTitle'); | ||
| if (section) { | ||
| if (sectionTitle) { | ||
| speak(sectionTitle.textContent, true); | ||
| highlightCurrent(true); | ||
| } | ||
| } else { | ||
| if (currentSection === 0 && currentText === 0 && !isSpeakingSection) { | ||
| speak(articleTitle.textContent, true); | ||
| highlightCurrent(true); | ||
| } else if (currentElement) { | ||
| speak(currentElement.textContent, false); | ||
| highlightCurrent(false); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function highlightCurrent(section = false) { | ||
| document.querySelectorAll('.highlight, .highlight-section').forEach(el => { | ||
| el.classList.remove('highlight', 'highlight-section'); | ||
| }); | ||
| if (section) { | ||
| const sectionTitle = document.getElementById(`section-${currentSection}`); | ||
| if (sectionTitle) { | ||
| sectionTitle.classList.add('highlight-section'); | ||
| sectionTitle.scrollIntoView({ behavior: 'smooth', block: 'center' }); | ||
| } | ||
| } else { | ||
| const currentElement = document.getElementById(`text-${currentSection}-${currentText}`); | ||
| if (currentElement) { | ||
| currentElement.classList.add('highlight'); | ||
| currentElement.scrollIntoView({ behavior: 'smooth', block: 'center' }); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function playPause() { | ||
| isPlaying = !isPlaying; | ||
| isLastItem = false; | ||
| const icon = document.getElementById('playPauseIcon'); | ||
| if (isPlaying) { | ||
| icon.className = 'bi bi-pause-fill'; | ||
| speakCurrent(); | ||
| } else { | ||
| icon.className = 'bi bi-play-fill'; | ||
| speechSynthesis.cancel(); | ||
| } | ||
| } | ||
|
|
||
| function nextSection() { | ||
| if (currentSection < article.sections.length - 1) { | ||
| currentSection++; | ||
| currentText = 0; | ||
| isLastItem = false; | ||
| if (isPlaying) { | ||
| speakCurrent(true); | ||
| } else { | ||
| highlightCurrent(true); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function prevSection() { | ||
| if (currentSection > 0) { | ||
| currentSection--; | ||
| currentText = 0; | ||
| isLastItem = false; | ||
| if (isPlaying) { | ||
| speakCurrent(true); | ||
| } else { | ||
| highlightCurrent(true); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function nextText() { | ||
| if (currentText < article.sections[currentSection].texts.length - 1) { | ||
| currentText++; | ||
| isLastItem = false; | ||
| } else if (currentSection < article.sections.length - 1) { | ||
| currentSection++; | ||
| currentText = 0; | ||
| isLastItem = false; | ||
| } else { | ||
| isLastItem = true; | ||
| isPlaying = false; | ||
| document.getElementById('playPauseIcon').className = 'bi bi-play-fill'; | ||
| return; | ||
| } | ||
| if (isPlaying) { | ||
| speakCurrent(); | ||
| } else { | ||
| highlightCurrent(); | ||
| } | ||
| } | ||
|
|
||
| function prevText() { | ||
| if (currentText > 0) { | ||
| currentText--; | ||
| } else if (currentSection > 0) { | ||
| currentSection--; | ||
| currentText = article.sections[currentSection].texts.length - 1; | ||
| } | ||
| isLastItem = false; | ||
| if (isPlaying) { | ||
| speakCurrent(); | ||
| } else { | ||
| highlightCurrent(); | ||
| } | ||
| } | ||
|
|
||
| document.addEventListener('keydown', (event) => { | ||
| switch(event.code) { | ||
| case 'Space': | ||
| event.preventDefault(); | ||
| playPause(); | ||
| break; | ||
| case 'ArrowRight': | ||
| event.preventDefault(); | ||
| nextText(); | ||
| break; | ||
| case 'ArrowLeft': | ||
| event.preventDefault(); | ||
| prevText(); | ||
| break; | ||
| case 'ArrowUp': | ||
| event.preventDefault(); | ||
| prevSection(); | ||
| break; | ||
| case 'ArrowDown': | ||
| event.preventDefault(); | ||
| nextSection(); | ||
| break; | ||
| } | ||
| }); | ||
|
|
||
| document.getElementById('playPause').addEventListener('click', playPause); | ||
| document.getElementById('nextText').addEventListener('click', nextText); | ||
| document.getElementById('prevText').addEventListener('click', prevText); | ||
| document.getElementById('nextSection').addEventListener('click', nextSection); | ||
| document.getElementById('prevSection').addEventListener('click', prevSection); | ||
|
|
||
| const articleId = new URLSearchParams(window.location.search).get('id'); | ||
| const locale = new URLSearchParams(window.location.search).get('locale'); | ||
| if (locale) { | ||
| language = locale; | ||
| } | ||
| if (articleId) { | ||
| fetchArticle(articleId); | ||
| } | ||
| </script> | ||
| </body> | ||
| </html> |
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