Files
Snap-Solver/static/js/main.js
2025-02-04 21:12:14 +08:00

616 lines
25 KiB
JavaScript

class SnapSolver {
constructor() {
this.initializeElements();
this.initializeState();
this.setupEventListeners();
this.initializeConnection();
this.setupAutoScroll();
// Initialize managers
window.uiManager = new UIManager();
window.settingsManager = new SettingsManager();
}
initializeElements() {
// Capture elements
this.captureBtn = document.getElementById('captureBtn');
this.cropBtn = document.getElementById('cropBtn');
this.connectionStatus = document.getElementById('connectionStatus');
this.screenshotImg = document.getElementById('screenshotImg');
this.cropContainer = document.getElementById('cropContainer');
this.imagePreview = document.getElementById('imagePreview');
this.sendToClaudeBtn = document.getElementById('sendToClaude');
this.extractTextBtn = document.getElementById('extractText');
this.textEditor = document.getElementById('textEditor');
this.extractedText = document.getElementById('extractedText');
this.sendExtractedTextBtn = document.getElementById('sendExtractedText');
this.responseContent = document.getElementById('responseContent');
this.claudePanel = document.getElementById('claudePanel');
this.statusLight = document.querySelector('.status-light');
}
initializeState() {
this.socket = null;
this.cropper = null;
this.croppedImage = null;
this.history = JSON.parse(localStorage.getItem('snapHistory') || '[]');
}
setupAutoScroll() {
// Create MutationObserver to watch for content changes
const observer = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
if (mutation.type === 'characterData' || mutation.type === 'childList') {
this.responseContent.scrollTo({
top: this.responseContent.scrollHeight,
behavior: 'smooth'
});
}
});
});
// Start observing the response content
observer.observe(this.responseContent, {
childList: true,
characterData: true,
subtree: true
});
}
updateConnectionStatus(connected) {
this.connectionStatus.textContent = connected ? 'Connected' : 'Disconnected';
this.connectionStatus.className = `status ${connected ? 'connected' : 'disconnected'}`;
this.captureBtn.disabled = !connected;
if (!connected) {
this.imagePreview.classList.add('hidden');
this.cropBtn.classList.add('hidden');
this.sendToClaudeBtn.classList.add('hidden');
this.extractTextBtn.classList.add('hidden');
this.textEditor.classList.add('hidden');
}
}
updateStatusLight(status) {
this.statusLight.className = 'status-light';
switch (status) {
case 'started':
case 'streaming':
this.statusLight.classList.add('processing');
break;
case 'completed':
this.statusLight.classList.add('completed');
break;
case 'error':
this.statusLight.classList.add('error');
break;
default:
// Reset to default state
break;
}
}
initializeConnection() {
try {
this.socket = io(window.location.origin);
this.socket.on('connect', () => {
console.log('Connected to server');
this.updateConnectionStatus(true);
});
this.socket.on('disconnect', () => {
console.log('Disconnected from server');
this.updateConnectionStatus(false);
this.socket = null;
setTimeout(() => this.initializeConnection(), 5000);
});
this.setupSocketEventHandlers();
} catch (error) {
console.error('Connection error:', error);
this.updateConnectionStatus(false);
setTimeout(() => this.initializeConnection(), 5000);
}
}
setupSocketEventHandlers() {
// Screenshot response handler
this.socket.on('screenshot_response', (data) => {
if (data.success) {
this.screenshotImg.src = `data:image/png;base64,${data.image}`;
this.imagePreview.classList.remove('hidden');
this.cropBtn.classList.remove('hidden');
this.captureBtn.disabled = false;
this.captureBtn.innerHTML = '<i class="fas fa-camera"></i><span>Capture</span>';
this.sendToClaudeBtn.classList.add('hidden');
this.extractTextBtn.classList.add('hidden');
this.textEditor.classList.add('hidden');
window.showToast('Screenshot captured successfully');
} else {
window.showToast('Failed to capture screenshot: ' + data.error, 'error');
this.captureBtn.disabled = false;
this.captureBtn.innerHTML = '<i class="fas fa-camera"></i><span>Capture</span>';
}
});
// Text extraction response handler
this.socket.on('text_extracted', (data) => {
if (data.error) {
console.error('Text extraction error:', data.error);
window.showToast('Failed to extract text: ' + data.error, 'error');
if (this.extractedText) {
this.extractedText.value = '';
this.extractedText.disabled = false;
}
this.sendExtractedTextBtn.disabled = false; // Re-enable send button on server error
} else if (data.content) {
if (this.extractedText) {
this.extractedText.value = data.content;
this.extractedText.disabled = false;
// Scroll to make text editor visible
this.extractedText.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
// Enable the Send Text to AI button
this.sendExtractedTextBtn.disabled = false;
}
window.showToast('Text extracted successfully');
}
this.extractTextBtn.disabled = false;
this.extractTextBtn.innerHTML = '<i class="fas fa-font"></i><span>Extract Text</span>';
});
this.socket.on('claude_response', (data) => {
console.log('Received claude_response:', data);
this.updateStatusLight(data.status);
switch (data.status) {
case 'started':
console.log('Analysis started');
this.responseContent.textContent = '';
this.sendToClaudeBtn.disabled = true;
this.sendExtractedTextBtn.disabled = true;
break;
case 'streaming':
if (data.content) {
console.log('Received content:', data.content);
this.responseContent.textContent += data.content;
}
break;
case 'completed':
console.log('Analysis completed');
this.sendToClaudeBtn.disabled = false;
this.sendExtractedTextBtn.disabled = false;
this.addToHistory(this.croppedImage, this.responseContent.textContent);
window.showToast('Analysis completed successfully');
break;
case 'error':
console.error('Claude analysis error:', data.error);
const errorMessage = data.error || 'Unknown error occurred';
this.responseContent.textContent += '\nError: ' + errorMessage;
this.sendToClaudeBtn.disabled = false;
this.sendExtractedTextBtn.disabled = false;
window.showToast('Analysis failed: ' + errorMessage, 'error');
break;
default:
console.warn('Unknown response status:', data.status);
if (data.error) {
this.responseContent.textContent += '\nError: ' + data.error;
this.sendToClaudeBtn.disabled = false;
this.sendExtractedTextBtn.disabled = false;
window.showToast('Unknown error occurred', 'error');
}
}
});
this.socket.on('connect_error', (error) => {
console.error('Connection error:', error);
this.updateConnectionStatus(false);
this.socket = null;
setTimeout(() => this.initializeConnection(), 5000);
});
}
initializeCropper() {
try {
// Clean up existing cropper instance
if (this.cropper) {
this.cropper.destroy();
this.cropper = null;
}
const cropArea = document.querySelector('.crop-area');
cropArea.innerHTML = '';
const clonedImage = this.screenshotImg.cloneNode(true);
clonedImage.style.display = 'block';
cropArea.appendChild(clonedImage);
this.cropContainer.classList.remove('hidden');
// Store reference to this for use in ready callback
const self = this;
this.cropper = new Cropper(clonedImage, {
viewMode: 1,
dragMode: 'crop',
autoCropArea: 0,
restore: false,
modal: true,
guides: true,
highlight: true,
cropBoxMovable: true,
cropBoxResizable: true,
toggleDragModeOnDblclick: false,
minCropBoxWidth: 50,
minCropBoxHeight: 50,
background: true,
responsive: true,
checkOrientation: true,
ready: function() {
// Use the stored reference to this
if (self.cropper) {
self.cropper.crop();
}
}
});
} catch (error) {
console.error('Error initializing cropper:', error);
window.showToast('Failed to initialize cropper', 'error');
}
}
addToHistory(imageData, response) {
const historyItem = {
id: Date.now(),
timestamp: new Date().toISOString(),
image: imageData,
response: response
};
this.history.unshift(historyItem);
if (this.history.length > 10) this.history.pop();
localStorage.setItem('snapHistory', JSON.stringify(this.history));
window.renderHistory();
}
setupEventListeners() {
this.setupCaptureEvents();
this.setupCropEvents();
this.setupAnalysisEvents();
this.setupKeyboardShortcuts();
}
setupCaptureEvents() {
// Capture button
this.captureBtn.addEventListener('click', async () => {
if (!this.socket || !this.socket.connected) {
window.showToast('Not connected to server', 'error');
return;
}
try {
this.captureBtn.disabled = true;
this.captureBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i><span>Capturing...</span>';
this.socket.emit('request_screenshot');
} catch (error) {
window.showToast('Error requesting screenshot: ' + error.message, 'error');
this.captureBtn.disabled = false;
this.captureBtn.innerHTML = '<i class="fas fa-camera"></i><span>Capture</span>';
}
});
}
setupCropEvents() {
// Crop button
this.cropBtn.addEventListener('click', () => {
if (this.screenshotImg.src) {
this.initializeCropper();
}
});
// Crop confirm button
document.getElementById('cropConfirm').addEventListener('click', () => {
if (this.cropper) {
try {
console.log('Starting crop operation...');
// Validate cropper instance
if (!this.cropper) {
throw new Error('Cropper not initialized');
}
// Get and validate crop box data
const cropBoxData = this.cropper.getCropBoxData();
console.log('Crop box data:', cropBoxData);
if (!cropBoxData || typeof cropBoxData.width !== 'number' || typeof cropBoxData.height !== 'number') {
throw new Error('Invalid crop box data');
}
if (cropBoxData.width < 10 || cropBoxData.height < 10) {
throw new Error('Crop area is too small. Please select a larger area (minimum 10x10 pixels).');
}
// Get cropped canvas with more conservative size limits
console.log('Getting cropped canvas...');
const canvas = this.cropper.getCroppedCanvas({
maxWidth: 2560,
maxHeight: 1440,
fillColor: '#fff',
imageSmoothingEnabled: true,
imageSmoothingQuality: 'high',
});
if (!canvas) {
throw new Error('Failed to create cropped canvas');
}
console.log('Canvas created successfully');
// Convert to data URL with error handling and compression
console.log('Converting to data URL...');
try {
// Use PNG for better quality
this.croppedImage = canvas.toDataURL('image/png');
console.log('Data URL conversion successful');
} catch (dataUrlError) {
console.error('Data URL conversion error:', dataUrlError);
throw new Error('Failed to process cropped image. The image might be too large or memory insufficient.');
}
// Properly destroy the cropper instance
this.cropper.destroy();
this.cropper = null;
// Clean up cropper and update UI
this.cropContainer.classList.add('hidden');
document.querySelector('.crop-area').innerHTML = '';
// Update the screenshot image with the cropped version
this.screenshotImg.src = this.croppedImage;
this.imagePreview.classList.remove('hidden');
this.cropBtn.classList.remove('hidden');
this.sendToClaudeBtn.classList.remove('hidden');
this.extractTextBtn.classList.remove('hidden');
window.showToast('Image cropped successfully');
} catch (error) {
console.error('Cropping error details:', {
message: error.message,
stack: error.stack,
cropperState: this.cropper ? 'initialized' : 'not initialized'
});
window.showToast(error.message || 'Error while cropping image', 'error');
} finally {
// Always clean up the cropper instance
if (this.cropper) {
this.cropper.destroy();
this.cropper = null;
}
}
}
});
// Crop cancel button
document.getElementById('cropCancel').addEventListener('click', () => {
if (this.cropper) {
this.cropper.destroy();
this.cropper = null;
}
this.cropContainer.classList.add('hidden');
this.sendToClaudeBtn.classList.add('hidden');
this.extractTextBtn.classList.add('hidden');
document.querySelector('.crop-area').innerHTML = '';
});
}
setupAnalysisEvents() {
// Extract Text button
this.extractTextBtn.addEventListener('click', () => {
if (!this.croppedImage) {
window.showToast('Please crop the image first', 'error');
return;
}
this.extractTextBtn.disabled = true;
this.sendExtractedTextBtn.disabled = true; // Disable the send button while extracting
this.extractTextBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i><span>Extracting...</span>';
const settings = window.settingsManager.getSettings();
const mathpixAppId = settings.mathpixAppId;
const mathpixAppKey = settings.mathpixAppKey;
if (!mathpixAppId || !mathpixAppKey) {
window.showToast('Please enter Mathpix credentials in settings', 'error');
document.getElementById('settingsPanel').classList.remove('hidden');
this.extractTextBtn.disabled = false;
this.extractTextBtn.innerHTML = '<i class="fas fa-font"></i><span>Extract Text</span>';
return;
}
// Show text editor and prepare UI
this.textEditor.classList.remove('hidden');
if (this.extractedText) {
this.extractedText.value = 'Extracting text...';
this.extractedText.disabled = true;
}
try {
this.socket.emit('extract_text', {
image: this.croppedImage.split(',')[1],
settings: {
mathpixApiKey: `${mathpixAppId}:${mathpixAppKey}`
}
});
} catch (error) {
window.showToast('Failed to extract text: ' + error.message, 'error');
this.extractTextBtn.disabled = false;
this.sendExtractedTextBtn.disabled = false; // Re-enable send button on error
this.extractTextBtn.innerHTML = '<i class="fas fa-font"></i><span>Extract Text</span>';
}
});
// Send Extracted Text button
this.sendExtractedTextBtn.addEventListener('click', () => {
const text = this.extractedText.value.trim();
if (!text) {
window.showToast('Please enter some text', 'error');
return;
}
const settings = window.settingsManager.getSettings();
const apiKey = window.settingsManager.getApiKey();
if (!apiKey) {
this.settingsPanel.classList.remove('hidden');
return;
}
this.claudePanel.classList.remove('hidden');
this.responseContent.textContent = '';
this.sendExtractedTextBtn.disabled = true;
try {
this.socket.emit('analyze_text', {
text: text,
settings: {
apiKey: apiKey,
model: settings.model || 'claude-3-5-sonnet-20241022',
temperature: parseFloat(settings.temperature) || 0.7,
systemPrompt: settings.systemPrompt || 'You are an expert at analyzing questions and providing detailed solutions.',
proxyEnabled: settings.proxyEnabled || false,
proxyHost: settings.proxyHost || '127.0.0.1',
proxyPort: settings.proxyPort || '4780'
}
});
} catch (error) {
this.responseContent.textContent = 'Error: Failed to send text for analysis - ' + error.message;
this.sendExtractedTextBtn.disabled = false;
window.showToast('Failed to send text for analysis', 'error');
}
});
// Send to Claude button
this.sendToClaudeBtn.addEventListener('click', () => {
if (!this.croppedImage) {
window.showToast('Please crop the image first', 'error');
return;
}
const settings = window.settingsManager.getSettings();
const apiKey = window.settingsManager.getApiKey();
if (!apiKey) {
this.settingsPanel.classList.remove('hidden');
return;
}
this.claudePanel.classList.remove('hidden');
this.responseContent.textContent = '';
this.sendToClaudeBtn.disabled = true;
try {
this.socket.emit('analyze_image', {
image: this.croppedImage.split(',')[1],
settings: {
apiKey: apiKey,
model: settings.model || 'claude-3-5-sonnet-20241022',
temperature: parseFloat(settings.temperature) || 0.7,
systemPrompt: settings.systemPrompt || 'You are an expert at analyzing questions and providing detailed solutions.',
proxyEnabled: settings.proxyEnabled || false,
proxyHost: settings.proxyHost || '127.0.0.1',
proxyPort: settings.proxyPort || '4780'
}
});
} catch (error) {
this.responseContent.textContent = 'Error: Failed to send image for analysis - ' + error.message;
this.sendToClaudeBtn.disabled = false;
window.showToast('Failed to send image for analysis', 'error');
}
});
}
setupKeyboardShortcuts() {
// Keyboard shortcuts for capture and crop
document.addEventListener('keydown', (e) => {
if (e.ctrlKey || e.metaKey) {
switch(e.key) {
case 'c':
if (!this.captureBtn.disabled) this.captureBtn.click();
break;
case 'x':
if (!this.cropBtn.disabled) this.cropBtn.click();
break;
}
}
});
}
}
// Initialize the application when the DOM is loaded
document.addEventListener('DOMContentLoaded', () => {
window.app = new SnapSolver();
});
// Global function for history rendering
window.renderHistory = function() {
const content = document.querySelector('.history-content');
const history = JSON.parse(localStorage.getItem('snapHistory') || '[]');
if (history.length === 0) {
content.innerHTML = `
<div class="history-empty">
<i class="fas fa-history"></i>
<p>No history yet</p>
</div>
`;
return;
}
content.innerHTML = history.map(item => `
<div class="history-item" data-id="${item.id}">
<div class="history-item-header">
<span>${new Date(item.timestamp).toLocaleString()}</span>
<button class="btn-icon delete-history" data-id="${item.id}">
<i class="fas fa-trash"></i>
</button>
</div>
<img src="${item.image}" alt="Historical screenshot" class="history-image">
</div>
`).join('');
// Add click handlers for history items
content.querySelectorAll('.delete-history').forEach(btn => {
btn.addEventListener('click', (e) => {
e.stopPropagation();
const id = parseInt(btn.dataset.id);
const updatedHistory = history.filter(item => item.id !== id);
localStorage.setItem('snapHistory', JSON.stringify(updatedHistory));
window.renderHistory();
window.showToast('History item deleted');
});
});
content.querySelectorAll('.history-item').forEach(item => {
item.addEventListener('click', () => {
const historyItem = history.find(h => h.id === parseInt(item.dataset.id));
if (historyItem) {
window.app.screenshotImg.src = historyItem.image;
window.app.imagePreview.classList.remove('hidden');
document.getElementById('historyPanel').classList.add('hidden');
window.app.cropBtn.classList.add('hidden');
window.app.captureBtn.classList.add('hidden');
window.app.sendToClaudeBtn.classList.add('hidden');
window.app.extractTextBtn.classList.add('hidden');
if (historyItem.response) {
window.app.claudePanel.classList.remove('hidden');
window.app.responseContent.textContent = historyItem.response;
}
}
});
});
};