snappymail/dev/External/SquireUI.js
2023-06-12 11:45:59 +02:00

535 lines
15 KiB
JavaScript

/* eslint max-len: 0 */
(doc => {
const
removeElements = 'HEAD,LINK,META,NOSCRIPT,SCRIPT,TEMPLATE,TITLE',
allowedElements = 'A,B,BLOCKQUOTE,BR,DIV,FONT,H1,H2,H3,H4,H5,H6,HR,IMG,LI,OL,P,SPAN,STRONG,TABLE,TD,TH,TR,U,UL',
allowedAttributes = 'abbr,align,background,bgcolor,border,cellpadding,cellspacing,class,color,colspan,dir,face,frame,height,href,hspace,id,lang,rowspan,rules,scope,size,src,style,target,type,usemap,valign,vspace,width'.split(','),
i18n = (str, def) => rl.i18n(str) || def,
ctrlKey = shortcuts.getMetaKey() + ' + ',
createElement = name => doc.createElement(name),
tpl = createElement('template'),
trimLines = html => html.trim().replace(/^(<div>\s*<br\s*\/?>\s*<\/div>)+/, '').trim(),
htmlToPlain = html => rl.Utils.htmlToPlain(html).trim(),
plainToHtml = text => rl.Utils.plainToHtml(text),
forEachObjectValue = (obj, fn) => Object.values(obj).forEach(fn),
getFragmentOfChildren = parent => {
let frag = doc.createDocumentFragment();
frag.append(...parent.childNodes);
return frag;
},
SquireDefaultConfig = {
/*
addLinks: true // allow_smart_html_links
*/
sanitizeToDOMFragment: (html, isPaste/*, squire*/) => {
tpl.innerHTML = (html||'')
.replace(/<\/?(BODY|HTML)[^>]*>/gi,'')
.replace(/<!--[^>]+-->/g,'')
.replace(/<span[^>]*>\s*<\/span>/gi,'')
.trim();
tpl.querySelectorAll('a:empty,span:empty').forEach(el => el.remove());
if (isPaste) {
tpl.querySelectorAll(removeElements).forEach(el => el.remove());
tpl.querySelectorAll('*').forEach(el => {
if (!el.matches(allowedElements)) {
el.replaceWith(getFragmentOfChildren(el));
} else if (el.hasAttributes()) {
[...el.attributes].forEach(attr => {
let name = attr.name.toLowerCase();
if (!allowedAttributes.includes(name)) {
el.removeAttribute(name);
}
});
}
});
}
return tpl.content;
}
};
class SquireUI
{
constructor(container) {
const
clr = createElement('input'),
doClr = name => input => {
// https://github.com/the-djmaze/snappymail/issues/826
clr.style.left = (input.offsetLeft + input.parentNode.offsetLeft) + 'px';
clr.style.width = input.offsetWidth + 'px';
clr.value = '';
clr.onchange = () => squire.setStyle({[name]:clr.value});
setTimeout(()=>clr.click(),1);
},
actions = {
mode: {
plain: {
// html: '〈〉',
// cmd: () => this.setMode('plain' == this.mode ? 'wysiwyg' : 'plain'),
select: [
[i18n('SETTINGS_GENERAL/EDITOR_HTML'),'wysiwyg'],
[i18n('SETTINGS_GENERAL/EDITOR_PLAIN'),'plain']
],
cmd: s => this.setMode('plain' == s.value ? 'plain' : 'wysiwyg'),
hint: i18n('EDITOR/TEXT_SWITCHER_PLAIN_TEXT', 'Plain')
}
},
font: {
fontFamily: {
select: {
'sans-serif': {
Arial: "'Nimbus Sans L', 'Liberation sans', 'Arial Unicode MS', Arial, Helvetica, Garuda, Utkal, FreeSans, sans-serif",
Tahoma: "'Luxi Sans', Tahoma, Loma, Geneva, Meera, sans-serif",
Trebuchet: "'DejaVu Sans Condensed', Trebuchet, 'Trebuchet MS', sans-serif",
Lucida: "'Lucida Sans Unicode', 'Lucida Sans', 'DejaVu Sans', 'Bitstream Vera Sans', 'DejaVu LGC Sans', sans-serif",
Verdana: "'DejaVu Sans', Verdana, Geneva, 'Bitstream Vera Sans', 'DejaVu LGC Sans', sans-serif"
},
monospace: {
Courier: "'Liberation Mono', 'Courier New', FreeMono, Courier, monospace",
Lucida: "'DejaVu Sans Mono', 'DejaVu LGC Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', Monaco, monospace"
},
sans: {
Times: "'Nimbus Roman No9 L', 'Times New Roman', Times, FreeSerif, serif",
Palatino: "'Bitstream Charter', 'Palatino Linotype', Palatino, Palladio, 'URW Palladio L', 'Book Antiqua', Times, serif",
Georgia: "'URW Palladio L', Georgia, Times, serif"
}
},
cmd: s => squire.setStyle({ fontFamily: s.value })
},
fontSize: {
select: ['11px','13px','16px','20px','24px','30px'],
cmd: s => squire.setStyle({ fontSize: s.value })
},
dir: {
select: [
['LTR','ltr'],
['RTL','rtl'],
['Auto','auto'],
['',''],
],
cmd: s => {
squire.setAttribute('dir', s.value || null);
// squire.setStyle({ 'unicode-bidi': 'plaintext' });
}
}
},
colors: {
textColor: {
html: 'A<sub>▾</sub>',
cmd: doClr('color'),
hint: 'Text color'
},
backgroundColor: {
html: '🎨', /* ▧ */
cmd: doClr('backgroundColor'),
hint: 'Background color'
},
},
inline: {
bold: {
html: 'B',
cmd: () => this.doAction('bold'),
key: 'B',
hint: 'Bold',
matches: 'B,STRONT'
},
italic: {
html: 'I',
cmd: () => this.doAction('italic'),
key: 'I',
hint: 'Italic',
matches: 'I'
},
underline: {
html: '<u>U</u>',
cmd: () => this.doAction('underline'),
key: 'U',
hint: 'Underline',
matches: 'U'
},
strike: {
html: '<s>S</s>',
cmd: () => this.doAction('strikethrough'),
key: 'Shift + 7',
hint: 'Strikethrough',
matches: 'S'
},
sub: {
html: 'Xₙ',
cmd: () => this.doAction('subscript'),
key: 'Shift + 5',
hint: 'Subscript',
matches: 'SUB'
},
sup: {
html: 'Xⁿ',
cmd: () => this.doAction('superscript'),
key: 'Shift + 6',
hint: 'Superscript',
matches: 'SUP'
}
},
block: {
ol: {
html: '#',
cmd: () => this.doList('OL'),
key: 'Shift + 8',
hint: 'Ordered list',
matches: 'OL'
},
ul: {
html: '⋮',
cmd: () => this.doList('UL'),
key: 'Shift + 9',
hint: 'Unordered list',
matches: 'UL'
},
quote: {
html: '"',
cmd: () => {
let parent = squire.getSelectionClosest('UL,OL,BLOCKQUOTE')?.nodeName;
('BLOCKQUOTE' == parent) ? squire.decreaseQuoteLevel() : squire.increaseQuoteLevel();
},
hint: 'Blockquote',
matches: 'BLOCKQUOTE'
},
indentDecrease: {
html: '⇤',
cmd: () => squire.changeIndentationLevel('decrease'),
key: ']',
hint: 'Decrease indent'
},
indentIncrease: {
html: '⇥',
cmd: () => squire.changeIndentationLevel('increase'),
key: '[',
hint: 'Increase indent'
}
},
targets: {
link: {
html: '🔗',
cmd: () => {
let node = squire.getSelectionClosest('A'),
url = prompt("Link", node?.href || "https://");
if (url != null) {
url.length ? squire.makeLink(url) : (node && squire.removeLink());
}
},
hint: 'Link',
matches: 'A'
},
imageUrl: {
html: '🖼️',
cmd: () => {
let node = squire.getSelectionClosest('IMG'),
src = prompt("Image", node?.src || "https://");
src?.length ? squire.insertImage(src) : (node && squire.detach(node));
},
hint: 'Image URL',
matches: 'IMG'
},
imageUpload: {
html: '📂️',
cmd: () => browseImage.click(),
hint: 'Image select',
matches: 'IMG'
}
},
/*
table: {
// TODO
},
*/
changes: {
undo: {
html: '↶',
cmd: () => squire.undo(),
key: 'Z',
hint: 'Undo'
},
redo: {
html: '↷',
cmd: () => squire.redo(),
key: 'Y',
hint: 'Redo'
},
source: {
html: '👁',
cmd: btn => {
this.setMode('source' == this.mode ? 'wysiwyg' : 'source');
btn.classList.toggle('active', 'source' == this.mode);
},
hint: i18n('EDITOR/TEXT_SWITCHER_SOURCE', 'Source')
}
}
},
plain = createElement('textarea'),
wysiwyg = createElement('div'),
toolbar = createElement('div'),
browseImage = createElement('input'),
squire = new Squire(wysiwyg, SquireDefaultConfig);
clr.type = 'color';
toolbar.append(clr);
browseImage.type = 'file';
browseImage.accept = 'image/*';
browseImage.style.display = 'none';
browseImage.onchange = () => {
if (browseImage.files.length) {
let reader = new FileReader();
reader.readAsDataURL(browseImage.files[0]);
reader.onloadend = () => reader.result && squire.insertImage(reader.result);
}
}
plain.className = 'squire-plain';
wysiwyg.className = 'squire-wysiwyg';
this.mode = ''; // 'plain' | 'wysiwyg'
this.__plain = {
getRawData: () => this.plain.value,
setRawData: plain => this.plain.value = plain
};
this.container = container;
this.squire = squire;
this.plain = plain;
this.wysiwyg = wysiwyg;
toolbar.className = 'squire-toolbar btn-toolbar';
let group, action/*, touchTap*/;
for (group in actions) {
let toolgroup = createElement('div');
toolgroup.className = 'btn-group';
toolgroup.id = 'squire-toolgroup-'+group;
for (action in actions[group]) {
let cfg = actions[group][action], input, ev = 'click';
if (cfg.input) {
input = createElement('input');
input.type = cfg.input;
ev = 'change';
} else if (cfg.select) {
input = createElement('select');
input.className = 'btn';
if (Array.isArray(cfg.select)) {
cfg.select.forEach(value => {
value = Array.isArray(value) ? value : [value, value];
var option = new Option(value[0], value[1]);
option.style[action] = value[1];
input.append(option);
});
} else {
Object.entries(cfg.select).forEach(([label, options]) => {
let group = createElement('optgroup');
group.label = label;
Object.entries(options).forEach(([text, value]) => {
var option = new Option(text, value);
option.style[action] = value;
group.append(option);
});
input.append(group);
});
}
ev = 'input';
} else {
input = createElement('button');
input.type = 'button';
input.className = 'btn';
input.innerHTML = cfg.html;
input.action_cmd = cfg.cmd;
/*
input.addEventListener('pointerdown', () => touchTap = input, {passive:true});
input.addEventListener('pointermove', () => touchTap = null, {passive:true});
input.addEventListener('pointercancel', () => touchTap = null);
input.addEventListener('pointerup', e => {
if (touchTap === input) {
e.preventDefault();
cfg.cmd(input);
}
touchTap = null;
});
*/
}
input.addEventListener(ev, () => cfg.cmd(input));
if (cfg.hint) {
input.title = cfg.key ? cfg.hint + ' (' + ctrlKey + cfg.key + ')' : cfg.hint;
} else if (cfg.key) {
input.title = ctrlKey + cfg.key;
}
input.dataset.action = action;
input.tabIndex = -1;
cfg.input = input;
toolgroup.append(input);
}
toolgroup.children.length && toolbar.append(toolgroup);
}
this.modeSelect = actions.mode.plain.input;
let changes = actions.changes;
changes.undo.input.disabled = changes.redo.input.disabled = true;
squire.addEventListener('undoStateChange', state => {
changes.undo.input.disabled = !state.canUndo;
changes.redo.input.disabled = !state.canRedo;
});
// squire.addEventListener('focus', () => shortcuts.off());
// squire.addEventListener('blur', () => shortcuts.on());
container.append(toolbar, wysiwyg, plain);
squire.addEventListener('pathChange', e => {
forEachObjectValue(actions, entries => {
forEachObjectValue(entries, cfg => {
// cfg.matches && cfg.input.classList.toggle('active', e.element && e.element.matches(cfg.matches));
cfg.matches && cfg.input.classList.toggle('active', e.element && e.element.closestWithin(cfg.matches, squire.getRoot()));
});
});
});
/*
squire.addEventListener('cursor', e => {
console.dir({cursor:e.range});
});
squire.addEventListener('select', e => {
console.dir({select:e.range});
});
*/
// CKEditor gimmicks used by HtmlEditor
this.plugins = {
plain: true
};
this.focusManager = {
hasFocus: () => squire._isFocused,
blur: () => squire.blur()
};
}
doAction(name) {
this.squire[name]();
this.squire.focus();
}
doList(type) {
let parent = this.squire.getSelectionClosest('UL,OL')?.nodeName,
fn = {UL:'makeUnorderedList',OL:'makeOrderedList'};
(parent == type) ? this.squire.removeList() : this.squire[fn[type]]();
}
/*
testPresenceinSelection(format, validation) {
return validation.test(this.squire.getPath()) || this.squire.hasFormat(format);
}
*/
setMode(mode) {
if (this.mode != mode) {
let cl = this.container.classList, source = 'source' == this.mode;
cl.remove('squire-mode-'+this.mode);
if ('plain' == mode) {
this.plain.value = htmlToPlain(source ? this.plain.value : this.squire.getHTML(), true);
} else if ('source' == mode) {
this.plain.value = this.squire.getHTML();
} else {
this.setData(source ? this.plain.value : plainToHtml(this.plain.value, true));
mode = 'wysiwyg';
}
this.mode = mode; // 'wysiwyg' or 'plain'
cl.add('squire-mode-'+mode);
this.onModeChange?.();
setTimeout(()=>this.focus(),1);
}
this.modeSelect.selectedIndex = 'plain' == this.mode ? 1 : 0;
}
// CKeditor gimmicks used by HtmlEditor
on(type, fn) {
if ('mode' == type) {
this.onModeChange = fn;
} else {
this.squire.addEventListener(type, fn);
this.plain.addEventListener(type, fn);
}
}
execCommand(cmd, cfg) {
if ('insertSignature' == cmd) {
cfg = Object.assign({
clearCache: false,
isHtml: false,
insertBefore: false,
signature: ''
}, cfg);
if (cfg.clearCache) {
this._prev_txt_sig = null;
} else try {
const signature = cfg.isHtml ? htmlToPlain(cfg.signature) : cfg.signature;
if ('plain' === this.mode) {
let
text = this.plain.value,
prevSignature = this._prev_txt_sig;
if (prevSignature) {
text = text.replace(prevSignature, '').trim();
}
this.plain.value = cfg.insertBefore ? '\n\n' + signature + '\n\n' + text : text + '\n\n' + signature;
} else {
const squire = this.squire,
root = squire.getRoot(),
br = createElement('br'),
div = createElement('div');
div.className = 'rl-signature';
div.innerHTML = cfg.isHtml ? cfg.signature : plainToHtml(cfg.signature);
root.querySelectorAll('div.rl-signature').forEach(node => node.remove());
cfg.insertBefore ? root.prepend(div) : root.append(div);
// Move cursor above signature
div.before(br);
div.before(br.cloneNode());
}
this._prev_txt_sig = signature;
} catch (e) {
console.error(e);
}
}
}
getData() {
return 'source' == this.mode ? this.plain.value : trimLines(this.squire.getHTML());
}
setData(html) {
// this.plain.value = html;
const squire = this.squire;
squire.setHTML(trimLines(html));
const node = squire.getRoot(),
range = squire.getSelection();
range.setStart(node, 0);
range.setEnd(node, 0);
squire.setSelection( range );
}
focus() {
if ('plain' == this.mode) {
this.plain.focus();
this.plain.setSelectionRange(0, 0);
} else {
this.squire.focus();
}
}
}
this.SquireUI = SquireUI;
})(document);