new file: QUICKSTART.md
new file: README_INSTALL.md new file: requirements.txt new file: static/css/style.css new file: static/js/images-to-pdf.js new file: static/js/main.js new file: static/js/pdf-tools.js new file: templates/pdf_tools.html
This commit is contained in:
SimolZimol
270
static/js/images-to-pdf.js
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270
static/js/images-to-pdf.js
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// Images to PDF - JavaScript Functionality
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let imagesToPdfFiles = [];
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let imagesToPdfSortable = null;
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// DOM elements
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let uploadArea, fileInput, fileList, filesContainer, convertBtn, clearBtn;
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let progressBar, progressText, uploadProgress, resultArea, errorArea;
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let downloadLink;
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// Initialize when page loads
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document.addEventListener('DOMContentLoaded', function() {
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// Get DOM elements
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uploadArea = document.getElementById('upload-area');
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fileInput = document.getElementById('file-input');
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fileList = document.getElementById('file-list');
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filesContainer = document.getElementById('files-container');
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convertBtn = document.getElementById('convert-btn');
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clearBtn = document.getElementById('clear-btn');
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progressBar = document.getElementById('progress-bar');
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progressText = document.getElementById('progress-text');
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uploadProgress = document.getElementById('upload-progress');
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resultArea = document.getElementById('result-area');
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errorArea = document.getElementById('error-area');
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downloadLink = document.getElementById('download-link');
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// Setup event listeners
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setupEventListeners();
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// Setup drag and drop
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setupDragAndDrop(uploadArea, handleFiles);
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});
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function setupEventListeners() {
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// File input change
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fileInput.addEventListener('change', function(e) {
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handleFiles(Array.from(e.target.files));
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});
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// Convert button
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convertBtn.addEventListener('click', convertToPdf);
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// Clear button
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clearBtn.addEventListener('click', clearFiles);
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// Upload area click
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uploadArea.addEventListener('click', function() {
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fileInput.click();
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});
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}
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function handleFiles(files) {
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// Hide previous results/errors
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hideResults();
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if (!files || files.length === 0) {
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showError('Keine Dateien ausgewählt.');
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return;
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}
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// Filter valid image files
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const validFiles = files.filter(file => {
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const isValid = file.type.startsWith('image/');
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if (!isValid) {
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showNotification(`${file.name} ist keine gültige Bilddatei.`, 'warning');
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}
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return isValid;
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});
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if (validFiles.length === 0) {
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showError('Keine gültigen Bilddateien gefunden.');
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return;
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}
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// Show upload progress
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showUploadProgress();
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// Upload files
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uploadImages(validFiles);
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}
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async function uploadImages(files) {
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try {
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const response = await uploadFiles(files, '/api/upload-images', updateProgress);
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if (response.success) {
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imagesToPdfFiles = response.files;
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displayFiles();
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showNotification(response.message, 'success');
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} else {
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throw new Error(response.error || 'Upload fehlgeschlagen');
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}
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} catch (error) {
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showError(`Upload-Fehler: ${error.message}`);
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} finally {
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hideUploadProgress();
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}
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}
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function updateProgress(percent) {
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progressBar.style.width = percent + '%';
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progressText.textContent = Math.round(percent) + '%';
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}
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function displayFiles() {
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filesContainer.innerHTML = '';
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imagesToPdfFiles.forEach((file, index) => {
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const fileItem = createFileItem(file, index);
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filesContainer.appendChild(fileItem);
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});
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// Show file list
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fileList.style.display = 'block';
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// Enable convert button
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convertBtn.disabled = false;
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// Setup sortable
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setupSortableList();
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}
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function createFileItem(file, index) {
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const div = document.createElement('div');
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div.className = 'list-group-item file-item';
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div.dataset.index = index;
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div.innerHTML = `
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<div class="file-icon">
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<i class="${getFileIcon(file.original_name)}"></i>
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</div>
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<div class="file-info">
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<div class="file-name">${file.original_name}</div>
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<div class="file-details">${formatFileSize(file.size)}</div>
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</div>
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<div class="file-actions">
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<button type="button" class="btn btn-sm btn-outline-secondary" onclick="moveFileUp(${index})" ${index === 0 ? 'disabled' : ''}>
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<i class="fas fa-arrow-up"></i>
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</button>
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<button type="button" class="btn btn-sm btn-outline-secondary" onclick="moveFileDown(${index})" ${index === imagesToPdfFiles.length - 1 ? 'disabled' : ''}>
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<i class="fas fa-arrow-down"></i>
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</button>
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<button type="button" class="btn btn-sm btn-outline-danger" onclick="removeFile(${index})">
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<i class="fas fa-trash"></i>
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</button>
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</div>
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`;
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return div;
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}
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function setupSortableList() {
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if (imagesToPdfSortable) {
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imagesToPdfSortable.destroy();
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}
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imagesToPdfSortable = setupSortable(filesContainer, function(evt) {
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// Update array order
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const item = imagesToPdfFiles.splice(evt.oldIndex, 1)[0];
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imagesToPdfFiles.splice(evt.newIndex, 0, item);
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// Refresh display
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displayFiles();
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});
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}
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function moveFileUp(index) {
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if (index > 0) {
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[imagesToPdfFiles[index], imagesToPdfFiles[index - 1]] = [imagesToPdfFiles[index - 1], imagesToPdfFiles[index]];
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displayFiles();
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}
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}
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function moveFileDown(index) {
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if (index < imagesToPdfFiles.length - 1) {
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[imagesToPdfFiles[index], imagesToPdfFiles[index + 1]] = [imagesToPdfFiles[index + 1], imagesToPdfFiles[index]];
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displayFiles();
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}
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}
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function removeFile(index) {
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imagesToPdfFiles.splice(index, 1);
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if (imagesToPdfFiles.length === 0) {
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clearFiles();
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} else {
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displayFiles();
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}
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showNotification('Datei entfernt.', 'info');
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}
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async function convertToPdf() {
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if (imagesToPdfFiles.length === 0) {
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showError('Keine Dateien zum Konvertieren vorhanden.');
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return;
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}
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hideResults();
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setLoadingState(convertBtn, true);
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try {
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const filenames = imagesToPdfFiles.map(file => file.filename);
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const response = await makeRequest('/api/convert-images-to-pdf', {
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method: 'POST',
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body: JSON.stringify({ filenames })
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});
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if (response.success) {
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showResult(response.filename, response.message);
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} else {
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throw new Error(response.error || 'Konvertierung fehlgeschlagen');
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}
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} catch (error) {
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showError(`Konvertierungs-Fehler: ${error.message}`);
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} finally {
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setLoadingState(convertBtn, false);
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}
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}
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function clearFiles() {
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imagesToPdfFiles = [];
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filesContainer.innerHTML = '';
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fileList.style.display = 'none';
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convertBtn.disabled = true;
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fileInput.value = '';
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hideResults();
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if (imagesToPdfSortable) {
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imagesToPdfSortable.destroy();
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imagesToPdfSortable = null;
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}
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}
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function showUploadProgress() {
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uploadProgress.style.display = 'block';
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progressBar.style.width = '0%';
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progressText.textContent = '0%';
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}
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function hideUploadProgress() {
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uploadProgress.style.display = 'none';
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}
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function showResult(filename, message) {
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resultArea.style.display = 'block';
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downloadLink.href = `/download/${filename}`;
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downloadLink.querySelector('.me-2').nextSibling.textContent = 'PDF herunterladen';
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// Update message if provided
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if (message) {
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resultArea.querySelector('p').textContent = message;
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}
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}
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function showError(message) {
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errorArea.style.display = 'block';
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document.getElementById('error-message').textContent = message;
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}
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function hideResults() {
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resultArea.style.display = 'none';
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errorArea.style.display = 'none';
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}
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// Global functions for button actions
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window.moveFileUp = moveFileUp;
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window.moveFileDown = moveFileDown;
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window.removeFile = removeFile;
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