261 lines
9.9 KiB
JavaScript
261 lines
9.9 KiB
JavaScript
(function () {
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var textarea = document.getElementById('editor');
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if (!textarea) return;
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var form = textarea.closest('form');
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// --- DOM helpers ---
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// Route every edit through execCommand so the browser's native undo/redo
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// stack is preserved. Direct assignment to textarea.value would wipe it.
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function replaceRange(start, end, text) {
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textarea.focus();
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textarea.selectionStart = start;
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textarea.selectionEnd = end;
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document.execCommand('insertText', false, text);
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}
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function wrap(before, after, placeholder) {
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var start = textarea.selectionStart;
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var end = textarea.selectionEnd;
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var hadSelection = end > start;
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var selected = hadSelection ? textarea.value.slice(start, end) : placeholder;
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replaceRange(start, end, before + selected + after);
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if (!hadSelection) {
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textarea.selectionStart = start + before.length;
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textarea.selectionEnd = start + before.length + placeholder.length;
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}
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}
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function linePrefix(prefix) {
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var start = textarea.selectionStart;
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var lineStart = textarea.value.lastIndexOf('\n', start - 1) + 1;
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replaceRange(lineStart, lineStart, prefix);
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textarea.selectionStart = textarea.selectionEnd = start + prefix.length;
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}
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function insertAtCursor(s) {
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replaceRange(textarea.selectionStart, textarea.selectionEnd, s);
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}
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function applyResult(result) {
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var oldText = textarea.value;
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var newText = result.text;
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var prefixLen = 0;
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var maxPrefix = Math.min(oldText.length, newText.length);
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while (prefixLen < maxPrefix && oldText.charCodeAt(prefixLen) === newText.charCodeAt(prefixLen)) {
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prefixLen++;
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}
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var oldEnd = oldText.length;
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var newEnd = newText.length;
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while (oldEnd > prefixLen && newEnd > prefixLen
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&& oldText.charCodeAt(oldEnd - 1) === newText.charCodeAt(newEnd - 1)) {
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oldEnd--;
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newEnd--;
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}
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replaceRange(prefixLen, oldEnd, newText.slice(prefixLen, newEnd));
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textarea.selectionStart = textarea.selectionEnd = result.cursor;
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}
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function applyTableOp(fn, arg) {
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var result = arg !== undefined
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? fn(textarea.value, textarea.selectionStart, arg)
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: fn(textarea.value, textarea.selectionStart);
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if (result) applyResult(result);
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}
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function promptDisplayText(initial, onDone) {
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var input = document.createElement('input');
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input.type = 'text';
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input.className = 'modal-input';
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input.placeholder = 'Display text (optional)';
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if (initial) input.value = initial;
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var handle = openModal({
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title: 'Insert link — display text?',
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body: input,
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confirm: {
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label: 'INSERT',
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onConfirm: function () {
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handle.close();
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onDone(input.value.trim());
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}
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}
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});
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}
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function insertWikilink() {
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var sel = textarea.value.slice(textarea.selectionStart, textarea.selectionEnd);
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openTreePicker({
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title: 'Insert link',
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mode: 'any',
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initialPath: '/',
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confirmLabel: 'NEXT',
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onSelect: function (path, kind) {
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if (kind === 'folder') {
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promptDisplayText(sel, function (display) {
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insertAtCursor(display ? '[[' + path + '::' + display + ']]' : '[[' + path + ']]');
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});
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} else {
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var name = path.split('/').pop();
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insertAtCursor('[' + (sel || name) + '](' + path + ')');
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}
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}
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});
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}
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// --- Actions ---
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var T = EditorTables;
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var L = EditorLists;
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var D = EditorDates;
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var M = EditorMovie;
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var actions = {
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save: function () { form.submit(); },
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bold: function () { wrap('**', '**', 'bold text'); },
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italic: function () { wrap('*', '*', 'italic text'); },
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h1: function () { linePrefix('# '); },
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h2: function () { linePrefix('## '); },
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h3: function () { linePrefix('### '); },
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code: function () { wrap('`', '`', 'code'); },
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codeblock: function () { wrap('```\n', '\n```', 'code'); },
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quote: function () { linePrefix('> '); },
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link: function () { wrap('[', '](url)', 'link text'); },
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wikilink: insertWikilink,
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ul: function () { linePrefix('- '); },
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ol: function () { linePrefix('1. '); },
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hr: function () { wrap('\n\n---\n\n', '', ''); },
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fmttable: function () { applyTableOp(T.formatTableText); },
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tblalignleft: function () { applyTableOp(T.setColumnAlignment, 'left'); },
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tblaligncenter: function () { applyTableOp(T.setColumnAlignment, 'center'); },
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tblalignright: function () { applyTableOp(T.setColumnAlignment, 'right'); },
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tblinsertcol: function () { applyTableOp(T.insertColumn); },
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tbldeletecol: function () { applyTableOp(T.deleteColumn); },
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tblinsertrow: function () { applyTableOp(T.insertRow); },
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tbldeleterow: function () { applyTableOp(T.deleteRow); },
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dateiso: function () { insertAtCursor(D.isoDate()); },
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datelong: function () { insertAtCursor(D.longDate()); },
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movie: function () { M.run(textarea); },
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};
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// --- Keyboard shortcut registration ---
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var keyMap = {};
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document.querySelectorAll('[data-action]').forEach(function (btn) {
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btn.addEventListener('click', function () {
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var action = actions[btn.dataset.action];
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if (action) action();
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});
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if (btn.dataset.key) {
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keyMap[btn.dataset.key] = actions[btn.dataset.action];
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}
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});
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keyMap['T'] = actions.fmttable;
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keyMap['D'] = actions.dateiso;
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keyMap['W'] = actions.datelong;
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document.addEventListener('keydown', function (e) {
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if (!e.altKey || !e.shiftKey) return;
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// Shift+digit produces a layout-dependent character in e.key (e.g. "!"
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// on US, "!" on DE), so fall back to e.code for digit rows.
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var key = /^Digit[0-9]$/.test(e.code) ? e.code.slice(5) : e.key;
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var action = keyMap[key];
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if (action) {
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e.preventDefault();
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action();
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}
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});
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// --- Textarea key handling ---
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textarea.addEventListener('keydown', function (e) {
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if (e.key === 'Delete' && e.shiftKey) {
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var result = T.deleteRow(textarea.value, textarea.selectionStart)
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|| L.deleteOrderedLine(textarea.value, textarea.selectionStart);
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if (!result) return;
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e.preventDefault();
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applyResult(result);
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return;
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}
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if (e.key === 'Enter' && e.shiftKey) {
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var result = T.insertRowBelow(textarea.value, textarea.selectionStart);
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if (!result) return;
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e.preventDefault();
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applyResult(result);
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return;
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}
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if (e.key !== 'Enter') return;
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var result = L.handleEnterKey(textarea.value, textarea.selectionStart);
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if (!result) return;
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e.preventDefault();
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applyResult(result);
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});
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// --- Dropdown helper ---
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var openMenus = [];
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function makeDropdown(triggerBtn, items) {
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var menu = document.createElement('div');
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menu.className = 'dropdown-menu';
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items.forEach(function (item) {
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var btn = document.createElement('button');
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btn.type = 'button';
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btn.className = 'btn btn-tool dropdown-item';
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btn.textContent = item.label;
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btn.addEventListener('mousedown', function (e) {
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e.preventDefault();
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actions[item.action]();
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menu.classList.remove('is-open');
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});
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menu.appendChild(btn);
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});
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triggerBtn.appendChild(menu);
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openMenus.push(menu);
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triggerBtn.addEventListener('click', function (e) {
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if (e.target !== triggerBtn) return;
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var wasOpen = menu.classList.contains('is-open');
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openMenus.forEach(function (m) { m.classList.remove('is-open'); });
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if (!wasOpen) menu.classList.add('is-open');
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});
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}
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document.addEventListener('click', function (e) {
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var insideAny = openMenus.some(function (m) {
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return m.parentElement && m.parentElement.contains(e.target);
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});
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if (!insideAny) openMenus.forEach(function (m) { m.classList.remove('is-open'); });
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});
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document.addEventListener('keydown', function (e) {
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if (e.key === 'Escape') openMenus.forEach(function (m) { m.classList.remove('is-open'); });
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});
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// --- Table dropdown ---
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var tblDropBtn = document.querySelector('[data-action="tbldrop"]');
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if (tblDropBtn) {
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makeDropdown(tblDropBtn, [
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{ label: 'Format table', action: 'fmttable' },
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{ label: 'Align left', action: 'tblalignleft' },
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{ label: 'Align center', action: 'tblaligncenter' },
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{ label: 'Align right', action: 'tblalignright' },
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{ label: 'Insert column', action: 'tblinsertcol' },
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{ label: 'Delete column', action: 'tbldeletecol' },
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{ label: 'Insert row', action: 'tblinsertrow' },
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{ label: 'Delete row', action: 'tbldeleterow' },
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]);
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}
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// --- Date dropdown ---
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var dateDropBtn = document.querySelector('[data-action="datedrop"]');
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if (dateDropBtn) {
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makeDropdown(dateDropBtn, [
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{ label: 'YYYY-MM-DD', action: 'dateiso' },
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{ label: 'DE Long', action: 'datelong' },
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]);
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}
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})();
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