679 lines
21 KiB
JavaScript
679 lines
21 KiB
JavaScript
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/**
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* Paper Module JavaScript
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* AI Writing & Notes Application
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*/
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(function() {
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'use strict';
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// DOM Elements
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const elements = {
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editor: document.getElementById('editor-content'),
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title: document.getElementById('paper-title'),
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slashMenu: document.getElementById('slash-menu'),
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aiPanel: document.getElementById('ai-panel'),
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sidebar: document.getElementById('paper-sidebar'),
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wordCount: document.getElementById('word-count'),
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charCount: document.getElementById('char-count'),
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saveStatus: document.getElementById('save-status')
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};
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// State
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let slashPosition = null;
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let autoSaveTimer = null;
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/**
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* Initialize the Paper module
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*/
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function init() {
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if (!elements.editor) return;
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setupEditorEvents();
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setupToolbarCommands();
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setupSlashMenu();
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setupAIPanel();
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setupSidebar();
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setupModals();
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setupKeyboardShortcuts();
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updateWordCount();
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}
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/**
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* Setup editor input and keydown events
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*/
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function setupEditorEvents() {
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elements.editor.addEventListener('input', function() {
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updateWordCount();
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scheduleAutoSave();
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checkSlashCommand();
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});
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elements.editor.addEventListener('keydown', function(e) {
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// Handle slash menu navigation
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if (elements.slashMenu && !elements.slashMenu.classList.contains('hidden')) {
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if (e.key === 'Escape') {
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hideSlashMenu();
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e.preventDefault();
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} else if (e.key === 'Enter') {
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const selected = elements.slashMenu.querySelector('.slash-item.selected') ||
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elements.slashMenu.querySelector('.slash-item');
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if (selected) {
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executeSlashCommand(selected.dataset.cmd);
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e.preventDefault();
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}
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} else if (e.key === 'ArrowDown' || e.key === 'ArrowUp') {
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navigateSlashMenu(e.key === 'ArrowDown' ? 1 : -1);
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e.preventDefault();
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}
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}
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});
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}
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/**
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* Check for slash command trigger
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*/
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function checkSlashCommand() {
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const selection = window.getSelection();
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if (!selection.rangeCount) return;
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const range = selection.getRangeAt(0);
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const text = range.startContainer.textContent || '';
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const cursorPos = range.startOffset;
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// Check for slash command
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if (text[cursorPos - 1] === '/') {
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showSlashMenu(range);
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} else if (elements.slashMenu && !elements.slashMenu.classList.contains('hidden')) {
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// Filter slash menu based on input after /
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const slashIndex = text.lastIndexOf('/');
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if (slashIndex >= 0 && cursorPos > slashIndex) {
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const filter = text.substring(slashIndex + 1, cursorPos).toLowerCase();
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filterSlashMenu(filter);
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}
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}
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}
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/**
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* Setup keyboard shortcuts
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*/
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function setupKeyboardShortcuts() {
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document.addEventListener('keydown', function(e) {
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if (e.ctrlKey || e.metaKey) {
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switch(e.key.toLowerCase()) {
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case 'b':
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e.preventDefault();
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document.execCommand('bold');
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break;
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case 'i':
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e.preventDefault();
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document.execCommand('italic');
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break;
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case 'u':
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e.preventDefault();
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document.execCommand('underline');
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break;
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case 's':
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e.preventDefault();
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saveDocument();
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break;
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case 'k':
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e.preventDefault();
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insertLink();
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break;
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case '/':
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e.preventDefault();
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toggleFocusMode();
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break;
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}
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}
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// Escape to close panels
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if (e.key === 'Escape') {
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hideSlashMenu();
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elements.aiPanel?.classList.add('hidden');
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closeModals();
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}
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});
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}
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/**
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* Setup toolbar command buttons
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*/
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function setupToolbarCommands() {
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document.querySelectorAll('[data-cmd]').forEach(btn => {
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btn.addEventListener('click', function() {
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const cmd = this.dataset.cmd;
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executeToolbarCommand(cmd);
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elements.editor?.focus();
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});
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});
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// Heading select
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const headingSelect = document.getElementById('heading-select');
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if (headingSelect) {
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headingSelect.addEventListener('change', function() {
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const value = this.value;
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document.execCommand('formatBlock', false, value === 'p' ? 'p' : value);
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elements.editor?.focus();
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});
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}
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// Text color picker
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const colorPicker = document.getElementById('text-color');
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if (colorPicker) {
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colorPicker.addEventListener('change', function() {
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document.execCommand('foreColor', false, this.value);
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elements.editor?.focus();
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});
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}
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}
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/**
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* Execute toolbar command
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*/
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function executeToolbarCommand(cmd) {
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switch(cmd) {
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case 'bold':
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document.execCommand('bold');
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break;
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case 'italic':
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document.execCommand('italic');
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break;
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case 'underline':
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document.execCommand('underline');
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break;
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case 'strikethrough':
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document.execCommand('strikeThrough');
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break;
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case 'highlight':
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document.execCommand('hiliteColor', false, '#ffff00');
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break;
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case 'alignLeft':
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document.execCommand('justifyLeft');
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break;
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case 'alignCenter':
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document.execCommand('justifyCenter');
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break;
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case 'alignRight':
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document.execCommand('justifyRight');
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break;
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case 'bulletList':
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document.execCommand('insertUnorderedList');
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break;
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case 'numberedList':
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document.execCommand('insertOrderedList');
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break;
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case 'todoList':
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insertTodo();
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break;
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case 'link':
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insertLink();
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break;
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case 'image':
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insertImage();
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break;
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case 'table':
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insertTable();
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break;
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case 'code':
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document.execCommand('formatBlock', false, 'pre');
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break;
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case 'quote':
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document.execCommand('formatBlock', false, 'blockquote');
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break;
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case 'undo':
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document.execCommand('undo');
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break;
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case 'redo':
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document.execCommand('redo');
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break;
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}
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}
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/**
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* Show slash command menu
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*/
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function showSlashMenu(range) {
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if (!elements.slashMenu || !elements.editor) return;
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const rect = range.getBoundingClientRect();
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const editorRect = elements.editor.getBoundingClientRect();
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elements.slashMenu.style.top = (rect.bottom - editorRect.top + elements.editor.scrollTop + 8) + 'px';
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elements.slashMenu.style.left = (rect.left - editorRect.left) + 'px';
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elements.slashMenu.classList.remove('hidden');
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slashPosition = range.startOffset;
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// Reset filter
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filterSlashMenu('');
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}
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/**
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* Hide slash command menu
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*/
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function hideSlashMenu() {
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if (elements.slashMenu) {
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elements.slashMenu.classList.add('hidden');
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}
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slashPosition = null;
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}
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/**
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* Filter slash menu items
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*/
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function filterSlashMenu(filter) {
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if (!elements.slashMenu) return;
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const items = elements.slashMenu.querySelectorAll('.slash-item');
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let firstVisible = null;
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items.forEach(item => {
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const label = item.querySelector('.slash-label')?.textContent.toLowerCase() || '';
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const matches = label.includes(filter);
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item.style.display = matches ? 'flex' : 'none';
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if (matches && !firstVisible) firstVisible = item;
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});
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// Select first visible
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items.forEach(item => item.classList.remove('selected'));
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if (firstVisible) firstVisible.classList.add('selected');
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}
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/**
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* Navigate slash menu with arrow keys
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*/
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function navigateSlashMenu(direction) {
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if (!elements.slashMenu) return;
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const items = Array.from(elements.slashMenu.querySelectorAll('.slash-item'))
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.filter(i => i.style.display !== 'none');
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const current = items.findIndex(i => i.classList.contains('selected'));
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items.forEach(i => i.classList.remove('selected'));
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let next = current + direction;
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if (next < 0) next = items.length - 1;
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if (next >= items.length) next = 0;
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items[next]?.classList.add('selected');
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items[next]?.scrollIntoView({ block: 'nearest' });
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}
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/**
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* Execute slash command
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*/
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function executeSlashCommand(cmd) {
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hideSlashMenu();
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// Remove the slash character and any filter text
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const selection = window.getSelection();
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if (selection.rangeCount) {
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const range = selection.getRangeAt(0);
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const text = range.startContainer.textContent || '';
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const slashIndex = text.lastIndexOf('/');
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if (slashIndex >= 0) {
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range.startContainer.textContent = text.substring(0, slashIndex) + text.substring(range.startOffset);
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range.setStart(range.startContainer, slashIndex);
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range.collapse(true);
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selection.removeAllRanges();
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selection.addRange(range);
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}
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}
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// Execute command
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switch(cmd) {
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case 'h1':
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document.execCommand('formatBlock', false, 'h1');
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break;
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case 'h2':
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document.execCommand('formatBlock', false, 'h2');
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break;
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case 'h3':
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document.execCommand('formatBlock', false, 'h3');
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break;
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case 'bullet':
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document.execCommand('insertUnorderedList');
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break;
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case 'number':
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document.execCommand('insertOrderedList');
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break;
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case 'todo':
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insertTodo();
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break;
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case 'quote':
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document.execCommand('formatBlock', false, 'blockquote');
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break;
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case 'code':
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document.execCommand('formatBlock', false, 'pre');
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break;
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case 'divider':
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document.execCommand('insertHTML', false, '<hr>');
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break;
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case 'callout':
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document.execCommand('insertHTML', false, '<div class="callout">💡 </div>');
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break;
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case 'table':
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insertTable();
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break;
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case 'image':
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insertImage();
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break;
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case 'ai-write':
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case 'ai-summarize':
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case 'ai-expand':
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case 'ai-improve':
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case 'ai-translate':
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case 'ai-extract':
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openAIPanel(cmd);
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break;
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}
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}
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/**
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* Setup slash menu click handlers
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*/
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function setupSlashMenu() {
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if (!elements.slashMenu) return;
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elements.slashMenu.querySelectorAll('.slash-item').forEach(item => {
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item.addEventListener('click', function() {
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executeSlashCommand(this.dataset.cmd);
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});
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});
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// Close on click outside
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document.addEventListener('click', function(e) {
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if (elements.slashMenu &&
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!elements.slashMenu.contains(e.target) &&
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!elements.editor?.contains(e.target)) {
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hideSlashMenu();
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}
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});
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}
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/**
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* Insert todo checkbox
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*/
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function insertTodo() {
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const html = '<div class="todo-item"><input type="checkbox" class="todo-checkbox"><span></span></div>';
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document.execCommand('insertHTML', false, html);
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}
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/**
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* Insert table
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*/
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function insertTable() {
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const html = `
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<table>
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<tr>
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<td></td>
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<td></td>
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<td></td>
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</tr>
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<tr>
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<td></td>
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<td></td>
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<td></td>
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</tr>
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</table>
|
||
|
|
`;
|
||
|
|
document.execCommand('insertHTML', false, html);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Insert image
|
||
|
|
*/
|
||
|
|
function insertImage() {
|
||
|
|
const url = prompt('Enter image URL:');
|
||
|
|
if (url) {
|
||
|
|
document.execCommand('insertHTML', false, `<img src="${escapeHtml(url)}" alt="Image">`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Insert link
|
||
|
|
*/
|
||
|
|
function insertLink() {
|
||
|
|
const url = prompt('Enter URL:');
|
||
|
|
if (url) {
|
||
|
|
document.execCommand('createLink', false, url);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Setup AI panel
|
||
|
|
*/
|
||
|
|
function setupAIPanel() {
|
||
|
|
// AI button
|
||
|
|
const aiBtn = document.getElementById('ai-assist-btn');
|
||
|
|
if (aiBtn) {
|
||
|
|
aiBtn.addEventListener('click', function() {
|
||
|
|
const selectedText = window.getSelection().toString();
|
||
|
|
const input = document.getElementById('selected-text-input');
|
||
|
|
if (input) input.value = selectedText;
|
||
|
|
elements.aiPanel?.classList.toggle('hidden');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Close AI panel
|
||
|
|
const closeBtn = document.getElementById('close-ai-panel');
|
||
|
|
if (closeBtn) {
|
||
|
|
closeBtn.addEventListener('click', function() {
|
||
|
|
elements.aiPanel?.classList.add('hidden');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Tone buttons
|
||
|
|
document.querySelectorAll('.tone-btn').forEach(btn => {
|
||
|
|
btn.addEventListener('click', function() {
|
||
|
|
document.querySelectorAll('.tone-btn').forEach(b => b.classList.remove('active'));
|
||
|
|
this.classList.add('active');
|
||
|
|
|
||
|
|
const tone = this.dataset.tone;
|
||
|
|
const selectedText = document.getElementById('selected-text-input')?.value || '';
|
||
|
|
|
||
|
|
if (typeof htmx !== 'undefined') {
|
||
|
|
htmx.ajax('POST', '/api/paper/ai/tone', {
|
||
|
|
target: '#ai-response-content',
|
||
|
|
values: { tone, text: selectedText }
|
||
|
|
}).then(() => {
|
||
|
|
document.getElementById('ai-response')?.classList.remove('hidden');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
// AI response actions
|
||
|
|
const copyBtn = document.getElementById('copy-ai-response');
|
||
|
|
if (copyBtn) {
|
||
|
|
copyBtn.addEventListener('click', function() {
|
||
|
|
const content = document.getElementById('ai-response-content')?.innerText || '';
|
||
|
|
navigator.clipboard.writeText(content);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
const insertBtn = document.getElementById('insert-ai-response');
|
||
|
|
if (insertBtn) {
|
||
|
|
insertBtn.addEventListener('click', function() {
|
||
|
|
const content = document.getElementById('ai-response-content')?.innerHTML || '';
|
||
|
|
elements.editor?.focus();
|
||
|
|
document.execCommand('insertHTML', false, content);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
const replaceBtn = document.getElementById('replace-ai-response');
|
||
|
|
if (replaceBtn) {
|
||
|
|
replaceBtn.addEventListener('click', function() {
|
||
|
|
const content = document.getElementById('ai-response-content')?.innerHTML || '';
|
||
|
|
document.execCommand('insertHTML', false, content);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Open AI panel with specific action
|
||
|
|
*/
|
||
|
|
function openAIPanel(action) {
|
||
|
|
const selectedText = window.getSelection().toString();
|
||
|
|
const input = document.getElementById('selected-text-input');
|
||
|
|
if (input) input.value = selectedText;
|
||
|
|
elements.aiPanel?.classList.remove('hidden');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Setup sidebar toggle
|
||
|
|
*/
|
||
|
|
function setupSidebar() {
|
||
|
|
const toggleBtn = document.getElementById('toggle-sidebar');
|
||
|
|
if (toggleBtn) {
|
||
|
|
toggleBtn.addEventListener('click', function() {
|
||
|
|
elements.sidebar?.classList.toggle('collapsed');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Setup modal dialogs
|
||
|
|
*/
|
||
|
|
function setupModals() {
|
||
|
|
// Export button
|
||
|
|
const exportBtn = document.getElementById('export-btn');
|
||
|
|
if (exportBtn) {
|
||
|
|
exportBtn.addEventListener('click', function() {
|
||
|
|
document.getElementById('export-modal')?.classList.remove('hidden');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Close modal buttons
|
||
|
|
document.querySelectorAll('.close-modal').forEach(btn => {
|
||
|
|
btn.addEventListener('click', function() {
|
||
|
|
this.closest('.modal')?.classList.add('hidden');
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
// Click outside modal to close
|
||
|
|
document.querySelectorAll('.modal').forEach(modal => {
|
||
|
|
modal.addEventListener('click', function(e) {
|
||
|
|
if (e.target === this) {
|
||
|
|
this.classList.add('hidden');
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Close all modals
|
||
|
|
*/
|
||
|
|
function closeModals() {
|
||
|
|
document.querySelectorAll('.modal').forEach(modal => {
|
||
|
|
modal.classList.add('hidden');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Update word and character count
|
||
|
|
*/
|
||
|
|
function updateWordCount() {
|
||
|
|
const text = elements.editor?.innerText || '';
|
||
|
|
const words = text.trim().split(/\s+/).filter(w => w.length > 0).length;
|
||
|
|
const chars = text.length;
|
||
|
|
|
||
|
|
if (elements.wordCount) elements.wordCount.textContent = words + ' words';
|
||
|
|
if (elements.charCount) elements.charCount.textContent = chars + ' characters';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Schedule auto-save
|
||
|
|
*/
|
||
|
|
function scheduleAutoSave() {
|
||
|
|
if (autoSaveTimer) clearTimeout(autoSaveTimer);
|
||
|
|
|
||
|
|
if (elements.saveStatus) {
|
||
|
|
elements.saveStatus.textContent = 'Unsaved';
|
||
|
|
elements.saveStatus.className = 'status-item save-status';
|
||
|
|
}
|
||
|
|
|
||
|
|
autoSaveTimer = setTimeout(saveDocument, 2000);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Save document
|
||
|
|
*/
|
||
|
|
function saveDocument() {
|
||
|
|
if (elements.saveStatus) {
|
||
|
|
elements.saveStatus.textContent = 'Saving...';
|
||
|
|
elements.saveStatus.className = 'status-item save-status saving';
|
||
|
|
}
|
||
|
|
|
||
|
|
const title = elements.title?.innerText || 'Untitled';
|
||
|
|
const content = elements.editor?.innerHTML || '';
|
||
|
|
|
||
|
|
if (typeof htmx !== 'undefined') {
|
||
|
|
htmx.ajax('POST', '/api/paper/save', {
|
||
|
|
swap: 'none',
|
||
|
|
values: { title, content }
|
||
|
|
}).then(() => {
|
||
|
|
if (elements.saveStatus) {
|
||
|
|
elements.saveStatus.textContent = 'Saved';
|
||
|
|
elements.saveStatus.className = 'status-item save-status saved';
|
||
|
|
}
|
||
|
|
updateLastEdited();
|
||
|
|
}).catch(() => {
|
||
|
|
if (elements.saveStatus) {
|
||
|
|
elements.saveStatus.textContent = 'Save failed';
|
||
|
|
elements.saveStatus.className = 'status-item save-status';
|
||
|
|
}
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
// Fallback for when HTMX is not available
|
||
|
|
if (elements.saveStatus) {
|
||
|
|
elements.saveStatus.textContent = 'Saved';
|
||
|
|
elements.saveStatus.className = 'status-item save-status saved';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Update last edited timestamp
|
||
|
|
*/
|
||
|
|
function updateLastEdited() {
|
||
|
|
const lastEdited = document.getElementById('last-edited');
|
||
|
|
if (lastEdited) {
|
||
|
|
lastEdited.textContent = 'Last edited: Just now';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Toggle focus mode
|
||
|
|
*/
|
||
|
|
function toggleFocusMode() {
|
||
|
|
document.querySelector('.paper-container')?.classList.toggle('focus-mode');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Escape HTML to prevent XSS
|
||
|
|
*/
|
||
|
|
function escapeHtml(text) {
|
||
|
|
const div = document.createElement('div');
|
||
|
|
div.textContent = text;
|
||
|
|
return div.innerHTML;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Initialize on DOM ready
|
||
|
|
if (document.readyState === 'loading') {
|
||
|
|
document.addEventListener('DOMContentLoaded', init);
|
||
|
|
} else {
|
||
|
|
init();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Expose for external use
|
||
|
|
window.Paper = {
|
||
|
|
saveDocument,
|
||
|
|
insertTodo,
|
||
|
|
insertTable,
|
||
|
|
insertImage,
|
||
|
|
insertLink,
|
||
|
|
toggleFocusMode
|
||
|
|
};
|
||
|
|
})();
|