setup i18n and ported all tools to standalone pages
This commit is contained in:
abdullahalam123
356
src/js/logic/add-attachments-page.ts
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356
src/js/logic/add-attachments-page.ts
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import { showLoader, hideLoader, showAlert } from '../ui.js';
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import { downloadFile, formatBytes } from '../utils/helpers.js';
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import { createIcons, icons } from 'lucide';
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import { PDFDocument as PDFLibDocument } from 'pdf-lib';
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const worker = new Worker(import.meta.env.BASE_URL + 'workers/add-attachments.worker.js');
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interface AddAttachmentState {
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file: File | null;
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pdfDoc: PDFLibDocument | null;
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attachments: File[];
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}
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const pageState: AddAttachmentState = {
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file: null,
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pdfDoc: null,
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attachments: [],
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};
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function resetState() {
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pageState.file = null;
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pageState.pdfDoc = null;
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pageState.attachments = [];
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const fileDisplayArea = document.getElementById('file-display-area');
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if (fileDisplayArea) fileDisplayArea.innerHTML = '';
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const toolOptions = document.getElementById('tool-options');
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if (toolOptions) toolOptions.classList.add('hidden');
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const attachmentFileList = document.getElementById('attachment-file-list');
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if (attachmentFileList) attachmentFileList.innerHTML = '';
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const attachmentInput = document.getElementById('attachment-files-input') as HTMLInputElement;
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if (attachmentInput) attachmentInput.value = '';
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const attachmentLevelOptions = document.getElementById('attachment-level-options');
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if (attachmentLevelOptions) attachmentLevelOptions.classList.add('hidden');
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const pageRangeWrapper = document.getElementById('page-range-wrapper');
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if (pageRangeWrapper) pageRangeWrapper.classList.add('hidden');
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const processBtn = document.getElementById('process-btn');
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if (processBtn) processBtn.classList.add('hidden');
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const fileInput = document.getElementById('file-input') as HTMLInputElement;
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if (fileInput) fileInput.value = '';
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const documentRadio = document.querySelector('input[name="attachment-level"][value="document"]') as HTMLInputElement;
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if (documentRadio) documentRadio.checked = true;
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}
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worker.onmessage = function (e) {
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const data = e.data;
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if (data.status === 'success' && data.modifiedPDF !== undefined) {
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hideLoader();
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const originalName = pageState.file?.name.replace(/\.pdf$/i, '') || 'document';
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downloadFile(
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new Blob([new Uint8Array(data.modifiedPDF)], { type: 'application/pdf' }),
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`${originalName}_with_attachments.pdf`
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);
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showAlert('Success', `${pageState.attachments.length} file(s) attached successfully.`, 'success', function () {
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resetState();
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});
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} else if (data.status === 'error') {
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hideLoader();
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showAlert('Error', data.message || 'Unknown error occurred.');
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}
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};
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worker.onerror = function (error) {
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hideLoader();
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console.error('Worker error:', error);
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showAlert('Error', 'Worker error occurred. Check console for details.');
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};
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async function updateUI() {
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const fileDisplayArea = document.getElementById('file-display-area');
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const toolOptions = document.getElementById('tool-options');
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if (!fileDisplayArea) return;
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fileDisplayArea.innerHTML = '';
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if (pageState.file) {
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const fileDiv = document.createElement('div');
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fileDiv.className = 'flex items-center justify-between bg-gray-700 p-3 rounded-lg text-sm';
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const infoContainer = document.createElement('div');
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infoContainer.className = 'flex flex-col overflow-hidden';
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const nameSpan = document.createElement('div');
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nameSpan.className = 'truncate font-medium text-gray-200 text-sm mb-1';
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nameSpan.textContent = pageState.file.name;
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const metaSpan = document.createElement('div');
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metaSpan.className = 'text-xs text-gray-400';
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metaSpan.textContent = `${formatBytes(pageState.file.size)} • Loading...`;
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infoContainer.append(nameSpan, metaSpan);
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const removeBtn = document.createElement('button');
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removeBtn.className = 'ml-4 text-red-400 hover:text-red-300 flex-shrink-0';
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removeBtn.innerHTML = '<i data-lucide="trash-2" class="w-4 h-4"></i>';
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removeBtn.onclick = function () {
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resetState();
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};
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fileDiv.append(infoContainer, removeBtn);
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fileDisplayArea.appendChild(fileDiv);
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createIcons({ icons });
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try {
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showLoader('Loading PDF...');
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const arrayBuffer = await pageState.file.arrayBuffer();
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pageState.pdfDoc = await PDFLibDocument.load(arrayBuffer, {
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ignoreEncryption: true,
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throwOnInvalidObject: false
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});
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const pageCount = pageState.pdfDoc.getPageCount();
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metaSpan.textContent = `${formatBytes(pageState.file.size)} • ${pageCount} pages`;
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const totalPagesSpan = document.getElementById('attachment-total-pages');
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if (totalPagesSpan) totalPagesSpan.textContent = pageCount.toString();
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hideLoader();
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if (toolOptions) toolOptions.classList.remove('hidden');
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} catch (error) {
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console.error('Error loading PDF:', error);
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hideLoader();
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showAlert('Error', 'Failed to load PDF file.');
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resetState();
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}
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} else {
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if (toolOptions) toolOptions.classList.add('hidden');
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}
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}
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function updateAttachmentList() {
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const attachmentFileList = document.getElementById('attachment-file-list');
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const attachmentLevelOptions = document.getElementById('attachment-level-options');
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const processBtn = document.getElementById('process-btn');
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if (!attachmentFileList) return;
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attachmentFileList.innerHTML = '';
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pageState.attachments.forEach(function (file) {
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const div = document.createElement('div');
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div.className = 'flex justify-between items-center p-2 bg-gray-800 rounded-md text-white';
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const nameSpan = document.createElement('span');
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nameSpan.className = 'truncate text-sm';
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nameSpan.textContent = file.name;
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const sizeSpan = document.createElement('span');
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sizeSpan.className = 'text-xs text-gray-400';
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sizeSpan.textContent = formatBytes(file.size);
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div.append(nameSpan, sizeSpan);
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attachmentFileList.appendChild(div);
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});
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if (pageState.attachments.length > 0) {
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if (attachmentLevelOptions) attachmentLevelOptions.classList.remove('hidden');
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if (processBtn) processBtn.classList.remove('hidden');
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} else {
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if (attachmentLevelOptions) attachmentLevelOptions.classList.add('hidden');
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if (processBtn) processBtn.classList.add('hidden');
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}
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}
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async function addAttachments() {
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if (!pageState.file || !pageState.pdfDoc) {
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showAlert('Error', 'Please upload a PDF first.');
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return;
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}
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if (pageState.attachments.length === 0) {
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showAlert('No Files', 'Please select at least one file to attach.');
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return;
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}
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const attachmentLevel = (
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document.querySelector('input[name="attachment-level"]:checked') as HTMLInputElement
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)?.value || 'document';
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let pageRange: string = '';
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if (attachmentLevel === 'page') {
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const pageRangeInput = document.getElementById('attachment-page-range') as HTMLInputElement;
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pageRange = pageRangeInput?.value?.trim() || '';
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if (!pageRange) {
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showAlert('Error', 'Please specify a page range for page-level attachments.');
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return;
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}
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}
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showLoader('Embedding files into PDF...');
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try {
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const pdfBuffer = await pageState.file.arrayBuffer();
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const attachmentBuffers: ArrayBuffer[] = [];
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const attachmentNames: string[] = [];
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for (let i = 0; i < pageState.attachments.length; i++) {
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const file = pageState.attachments[i];
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showLoader(`Reading ${file.name} (${i + 1}/${pageState.attachments.length})...`);
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const fileBuffer = await file.arrayBuffer();
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attachmentBuffers.push(fileBuffer);
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attachmentNames.push(file.name);
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}
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showLoader('Attaching files to PDF...');
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const message = {
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command: 'add-attachments',
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pdfBuffer: pdfBuffer,
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attachmentBuffers: attachmentBuffers,
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attachmentNames: attachmentNames,
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attachmentLevel: attachmentLevel,
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pageRange: pageRange
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};
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const transferables = [pdfBuffer, ...attachmentBuffers];
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worker.postMessage(message, transferables);
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} catch (error: any) {
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console.error('Error attaching files:', error);
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hideLoader();
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showAlert('Error', `Failed to attach files: ${error.message}`);
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}
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}
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function handleFileSelect(files: FileList | null) {
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if (files && files.length > 0) {
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const file = files[0];
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if (file.type === 'application/pdf' || file.name.toLowerCase().endsWith('.pdf')) {
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pageState.file = file;
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updateUI();
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}
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}
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}
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function handleAttachmentSelect(files: FileList | null) {
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if (files && files.length > 0) {
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pageState.attachments = Array.from(files);
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updateAttachmentList();
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}
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}
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document.addEventListener('DOMContentLoaded', function () {
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const fileInput = document.getElementById('file-input') as HTMLInputElement;
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const dropZone = document.getElementById('drop-zone');
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const attachmentInput = document.getElementById('attachment-files-input') as HTMLInputElement;
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const attachmentDropZone = document.getElementById('attachment-drop-zone');
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const processBtn = document.getElementById('process-btn');
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const backBtn = document.getElementById('back-to-tools');
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const pageRangeWrapper = document.getElementById('page-range-wrapper');
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if (backBtn) {
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backBtn.addEventListener('click', function () {
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window.location.href = import.meta.env.BASE_URL;
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});
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}
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if (fileInput && dropZone) {
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fileInput.addEventListener('change', function (e) {
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handleFileSelect((e.target as HTMLInputElement).files);
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});
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dropZone.addEventListener('dragover', function (e) {
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e.preventDefault();
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dropZone.classList.add('bg-gray-700');
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});
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dropZone.addEventListener('dragleave', function (e) {
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e.preventDefault();
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dropZone.classList.remove('bg-gray-700');
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});
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dropZone.addEventListener('drop', function (e) {
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e.preventDefault();
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dropZone.classList.remove('bg-gray-700');
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const files = e.dataTransfer?.files;
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if (files && files.length > 0) {
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const pdfFiles = Array.from(files).filter(function (f) {
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return f.type === 'application/pdf' || f.name.toLowerCase().endsWith('.pdf');
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});
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if (pdfFiles.length > 0) {
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const dataTransfer = new DataTransfer();
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dataTransfer.items.add(pdfFiles[0]);
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handleFileSelect(dataTransfer.files);
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}
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}
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});
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fileInput.addEventListener('click', function () {
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fileInput.value = '';
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});
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}
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if (attachmentInput && attachmentDropZone) {
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attachmentInput.addEventListener('change', function (e) {
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handleAttachmentSelect((e.target as HTMLInputElement).files);
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});
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attachmentDropZone.addEventListener('dragover', function (e) {
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e.preventDefault();
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attachmentDropZone.classList.add('bg-gray-700');
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});
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attachmentDropZone.addEventListener('dragleave', function (e) {
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e.preventDefault();
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attachmentDropZone.classList.remove('bg-gray-700');
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});
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attachmentDropZone.addEventListener('drop', function (e) {
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e.preventDefault();
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attachmentDropZone.classList.remove('bg-gray-700');
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const files = e.dataTransfer?.files;
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if (files) {
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handleAttachmentSelect(files);
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}
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});
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attachmentInput.addEventListener('click', function () {
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attachmentInput.value = '';
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});
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}
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const attachmentLevelRadios = document.querySelectorAll('input[name="attachment-level"]');
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attachmentLevelRadios.forEach(function (radio) {
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radio.addEventListener('change', function (e) {
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const value = (e.target as HTMLInputElement).value;
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if (value === 'page' && pageRangeWrapper) {
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pageRangeWrapper.classList.remove('hidden');
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} else if (pageRangeWrapper) {
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pageRangeWrapper.classList.add('hidden');
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}
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});
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});
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if (processBtn) {
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processBtn.addEventListener('click', addAttachments);
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}
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});
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