setup i18n and ported all tools to standalone pages
This commit is contained in:
abdullahalam123
212
src/js/logic/divide-pages-page.ts
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212
src/js/logic/divide-pages-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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interface DividePagesState {
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file: File | null;
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pdfDoc: PDFLibDocument | null;
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}
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const pageState: DividePagesState = {
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file: null,
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pdfDoc: null,
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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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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 fileInput = document.getElementById('file-input') as HTMLInputElement;
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if (fileInput) fileInput.value = '';
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const splitTypeSelect = document.getElementById('split-type') as HTMLSelectElement;
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if (splitTypeSelect) splitTypeSelect.value = 'vertical';
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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 = `${formatBytes(pageState.file.size)} • Loading...`;
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infoContainer.append(nameSpan, metaSpan);
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const removeBtn = document.createElement('button');
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removeBtn.className = 'ml-4 text-red-400 hover:text-red-300 flex-shrink-0';
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removeBtn.innerHTML = '<i data-lucide="trash-2" class="w-4 h-4"></i>';
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removeBtn.onclick = function () {
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resetState();
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};
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fileDiv.append(infoContainer, removeBtn);
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fileDisplayArea.appendChild(fileDiv);
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createIcons({ icons });
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try {
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showLoader('Loading PDF...');
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const arrayBuffer = await pageState.file.arrayBuffer();
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pageState.pdfDoc = await PDFLibDocument.load(arrayBuffer, {
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ignoreEncryption: true,
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throwOnInvalidObject: false
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});
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hideLoader();
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const pageCount = pageState.pdfDoc.getPageCount();
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metaSpan.textContent = `${formatBytes(pageState.file.size)} • ${pageCount} pages`;
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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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async function dividePages() {
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if (!pageState.pdfDoc || !pageState.file) {
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showAlert('Error', 'Please upload a PDF first.');
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return;
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}
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const splitTypeSelect = document.getElementById('split-type') as HTMLSelectElement;
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const splitType = splitTypeSelect.value;
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showLoader('Splitting PDF pages...');
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try {
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const newPdfDoc = await PDFLibDocument.create();
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const pages = pageState.pdfDoc.getPages();
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for (let i = 0; i < pages.length; i++) {
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const originalPage = pages[i];
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const { width, height } = originalPage.getSize();
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showLoader(`Processing page ${i + 1} of ${pages.length}...`);
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const [page1] = await newPdfDoc.copyPages(pageState.pdfDoc, [i]);
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const [page2] = await newPdfDoc.copyPages(pageState.pdfDoc, [i]);
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switch (splitType) {
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case 'vertical':
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page1.setCropBox(0, 0, width / 2, height);
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page2.setCropBox(width / 2, 0, width / 2, height);
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break;
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case 'horizontal':
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page1.setCropBox(0, height / 2, width, height / 2);
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page2.setCropBox(0, 0, width, height / 2);
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break;
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}
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newPdfDoc.addPage(page1);
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newPdfDoc.addPage(page2);
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}
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const newPdfBytes = await newPdfDoc.save();
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const originalName = pageState.file.name.replace(/\.pdf$/i, '');
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downloadFile(
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new Blob([new Uint8Array(newPdfBytes)], { type: 'application/pdf' }),
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`${originalName}_divided.pdf`
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);
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showAlert('Success', 'Pages have been divided successfully!', 'success', function () {
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resetState();
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});
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} catch (e) {
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console.error(e);
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showAlert('Error', 'An error occurred while dividing the PDF.');
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} finally {
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hideLoader();
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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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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 processBtn = document.getElementById('process-btn');
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const backBtn = document.getElementById('back-to-tools');
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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 (processBtn) {
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processBtn.addEventListener('click', dividePages);
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}
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});
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