mirror of
https://github.com/the-djmaze/snappymail.git
synced 2024-12-31 03:52:01 +08:00
657 lines
19 KiB
JavaScript
657 lines
19 KiB
JavaScript
/* eslint max-len: 0 */
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(doc => {
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const
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removeElements = 'HEAD,LINK,META,NOSCRIPT,SCRIPT,TEMPLATE,TITLE',
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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',
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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(','),
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i18n = (str, def) => rl.i18n(str) || def,
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ctrlKey = shortcuts.getMetaKey() + ' + ',
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createElement = name => doc.createElement(name),
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tpl = createElement('template'),
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trimLines = html => html.trim().replace(/^(<div>\s*<br\s*\/?>\s*<\/div>)+/, '').trim(),
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htmlToPlain = html => rl.Utils.htmlToPlain(html).trim(),
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plainToHtml = text => rl.Utils.plainToHtml(text),
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forEachObjectValue = (obj, fn) => Object.values(obj).forEach(fn),
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getFragmentOfChildren = parent => {
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let frag = doc.createDocumentFragment();
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frag.append(...parent.childNodes);
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return frag;
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},
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SquireDefaultConfig = {
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/*
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addLinks: true // allow_smart_html_links
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*/
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sanitizeToDOMFragment: (html, isPaste/*, squire*/) => {
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tpl.innerHTML = (html||'')
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.replace(/<\/?(BODY|HTML)[^>]*>/gi,'')
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.replace(/<!--[^>]+-->/g,'')
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.replace(/<span[^>]*>\s*<\/span>/gi,'')
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.trim();
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tpl.querySelectorAll('a:empty,span:empty').forEach(el => el.remove());
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if (isPaste) {
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tpl.querySelectorAll(removeElements).forEach(el => el.remove());
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tpl.querySelectorAll('*').forEach(el => {
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if (!el.matches(allowedElements)) {
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el.replaceWith(getFragmentOfChildren(el));
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} else if (el.hasAttributes()) {
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[...el.attributes].forEach(attr => {
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let name = attr.name.toLowerCase();
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if (!allowedAttributes.includes(name)) {
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el.removeAttribute(name);
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}
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});
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}
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});
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}
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return tpl.content;
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}
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};
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class SquireUI
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{
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constructor(container) {
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const
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clr = createElement('input'),
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doClr = name => input => {
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// https://github.com/the-djmaze/snappymail/issues/826
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clr.style.left = (input.offsetLeft + input.parentNode.offsetLeft) + 'px';
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clr.style.width = input.offsetWidth + 'px';
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clr.value = '';
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clr.onchange = () => squire.setStyle({[name]:clr.value});
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// Chrome 110+ https://github.com/the-djmaze/snappymail/issues/1199
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// clr.oninput = () => squire.setStyle({[name]:clr.value});
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setTimeout(()=>clr.click(),1);
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},
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actions = {
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mode: {
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plain: {
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// html: '〈〉',
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// cmd: () => this.setMode('plain' == this.mode ? 'wysiwyg' : 'plain'),
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select: [
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[i18n('SETTINGS_GENERAL/EDITOR_HTML'),'wysiwyg'],
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[i18n('SETTINGS_GENERAL/EDITOR_PLAIN'),'plain']
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],
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cmd: s => this.setMode('plain' == s.value ? 'plain' : 'wysiwyg')
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}
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},
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font: {
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fontFamily: {
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select: {
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'sans-serif': {
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Arial: "'Nimbus Sans L', 'Liberation sans', 'Arial Unicode MS', Arial, Helvetica, Garuda, Utkal, FreeSans, sans-serif",
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Tahoma: "'Luxi Sans', Tahoma, Loma, Geneva, Meera, sans-serif",
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Trebuchet: "'DejaVu Sans Condensed', Trebuchet, 'Trebuchet MS', sans-serif",
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Lucida: "'Lucida Sans Unicode', 'Lucida Sans', 'DejaVu Sans', 'Bitstream Vera Sans', 'DejaVu LGC Sans', sans-serif",
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Verdana: "'DejaVu Sans', Verdana, Geneva, 'Bitstream Vera Sans', 'DejaVu LGC Sans', sans-serif"
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},
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monospace: {
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Courier: "'Liberation Mono', 'Courier New', FreeMono, Courier, monospace",
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Lucida: "'DejaVu Sans Mono', 'DejaVu LGC Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', Monaco, monospace"
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},
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sans: {
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Times: "'Nimbus Roman No9 L', 'Times New Roman', Times, FreeSerif, serif",
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Palatino: "'Bitstream Charter', 'Palatino Linotype', Palatino, Palladio, 'URW Palladio L', 'Book Antiqua', Times, serif",
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Georgia: "'URW Palladio L', Georgia, Times, serif"
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}
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},
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cmd: s => squire.setStyle({ fontFamily: s.value })
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},
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fontSize: {
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select: ['11px','13px','16px','20px','24px','30px'],
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defaultValueIndex: 2,
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cmd: s => squire.setStyle({ fontSize: s.value })
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// TODO: maybe consider using https://developer.mozilla.org/en-US/docs/Web/CSS/font-size#values
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// example:
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// select: ['xx-small', 'x-small',' small',' medium', 'large', 'x-large', 'xx-large', 'xxx-large'],
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// defaultValueIndex: 3,
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},
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// dir: {
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// select: [
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// [i18n('EDITOR/DIR_LTR', 'LTR'),'ltr'],
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// [i18n('EDITOR/DIR_RTL', 'RTL'),'rtl'],
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// [i18n('EDITOR/DIR_AUTO', 'Auto'),'auto'],
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// ['',''],
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// ],
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// cmd: s => {
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// squire.setAttribute('dir', s.value || null);
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// // squire.setStyle({ 'unicode-bidi': 'plaintext' });
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// }
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// }
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},
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dir: {
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dir_ltr: {
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html: '⁋',
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cmd: () => squire.bidi('ltr')
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},
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dir_rtl: {
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html: '¶',
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cmd: () => squire.bidi('rtl')
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}
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},
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colors: {
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textColor: {
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html: 'A<sub>▾</sub>',
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cmd: doClr('color')
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},
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backgroundColor: {
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html: '🎨', /* ▧ */
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cmd: doClr('backgroundColor')
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},
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},
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inline: {
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bold: {
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html: 'B',
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cmd: () => this.doAction('bold'),
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key: 'B',
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matches: 'B,STRONT'
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},
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italic: {
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html: 'I',
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cmd: () => this.doAction('italic'),
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key: 'I',
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matches: 'I'
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},
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underline: {
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html: '<u>U</u>',
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cmd: () => this.doAction('underline'),
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key: 'U',
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matches: 'U'
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},
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strike: {
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html: '<s>S</s>',
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cmd: () => this.doAction('strikethrough'),
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key: 'Shift + 7',
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matches: 'S'
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},
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sub: {
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html: 'Xₙ',
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cmd: () => this.doAction('subscript'),
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key: 'Shift + 5',
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matches: 'SUB'
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},
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sup: {
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html: 'Xⁿ',
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cmd: () => this.doAction('superscript'),
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key: 'Shift + 6',
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matches: 'SUP'
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}
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},
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block: {
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ol: {
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html: '#',
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cmd: () => this.doList('OL'),
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key: 'Shift + 8',
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matches: 'OL'
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},
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ul: {
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html: '⋮',
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cmd: () => this.doList('UL'),
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key: 'Shift + 9',
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matches: 'UL'
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},
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quote: {
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html: '"',
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cmd: () => {
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let parent = squire.getSelectionClosest('UL,OL,BLOCKQUOTE')?.nodeName;
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('BLOCKQUOTE' == parent) ? squire.decreaseQuoteLevel() : squire.increaseQuoteLevel();
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},
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matches: 'BLOCKQUOTE'
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},
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indentDecrease: {
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html: '⇤',
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cmd: () => squire.changeIndentationLevel('decrease'),
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key: ']'
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},
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indentIncrease: {
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html: '⇥',
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cmd: () => squire.changeIndentationLevel('increase'),
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key: '['
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}
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},
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targets: {
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link: {
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html: '🔗',
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cmd: () => {
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let node = squire.getSelectionClosest('A'),
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url = prompt("Link", node?.href || "https://");
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if (url != null) {
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url.length ? squire.makeLink(url) : (node && squire.removeLink());
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}
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},
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matches: 'A'
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},
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imageUrl: {
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html: '🖼️',
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cmd: () => {
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let node = squire.getSelectionClosest('IMG'),
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src = prompt("Image", node?.src || "https://");
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src?.length ? squire.insertImage(src) : (node && squire.detach(node));
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},
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matches: 'IMG'
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},
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imageUpload: {
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html: '📂️',
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cmd: () => browseImage.click(),
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matches: 'IMG'
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}
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},
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/*
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table: {
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// TODO
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},
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*/
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changes: {
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undo: {
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html: '↶',
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cmd: () => squire.undo(),
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key: 'Z'
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},
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redo: {
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html: '↷',
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cmd: () => squire.redo(),
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key: 'Y'
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},
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source: {
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html: '👁',
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cmd: btn => {
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this.setMode('source' == this.mode ? 'wysiwyg' : 'source');
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btn.classList.toggle('active', 'source' == this.mode);
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}
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}
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}
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},
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plain = createElement('textarea'),
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wysiwyg = createElement('div'),
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toolbar = createElement('div'),
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browseImage = createElement('input'),
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squire = new Squire(wysiwyg, SquireDefaultConfig);
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clr.type = 'color';
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toolbar.append(clr);
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// Chrome https://github.com/the-djmaze/snappymail/issues/1199
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let clrid = 'squire-colors',
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colorlist = doc.getElementById(clrid),
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add = hex => colorlist.append(new Option(hex));
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if (!colorlist) {
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colorlist = createElement('datalist');
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colorlist.id = clrid;
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// Color blind safe Tableau 10 by Maureen Stone
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add('#4E79A7');
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add('#F28E2B');
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add('#E15759');
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add('#76B7B2');
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add('#59A14F');
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add('#EDC948');
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add('#B07AA1');
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add('#FF9DA7');
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add('#9C755F');
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add('#BAB0AC');
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doc.body.append(colorlist);
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}
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clr.setAttribute('list', clrid);
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browseImage.type = 'file';
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browseImage.accept = 'image/*';
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browseImage.style.display = 'none';
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browseImage.onchange = () => {
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if (browseImage.files.length) {
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let reader = new FileReader();
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reader.readAsDataURL(browseImage.files[0]);
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reader.onloadend = () => reader.result && squire.insertImage(reader.result);
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}
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}
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plain.className = 'squire-plain';
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wysiwyg.className = 'squire-wysiwyg';
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wysiwyg.dir = 'auto';
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this.mode = ''; // 'plain' | 'wysiwyg'
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this.__plain = {
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getRawData: () => this.plain.value,
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setRawData: plain => this.plain.value = plain
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};
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this.container = container;
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this.squire = squire;
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this.plain = plain;
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this.wysiwyg = wysiwyg;
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dispatchEvent(new CustomEvent('squire-toolbar', {detail:{squire:this,actions:actions}}));
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toolbar.className = 'squire-toolbar btn-toolbar';
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let group, action/*, touchTap*/;
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for (group in actions) {
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let toolgroup = createElement('div');
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toolgroup.className = 'btn-group';
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toolgroup.id = 'squire-toolgroup-'+group;
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for (action in actions[group]) {
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let cfg = actions[group][action], input, ev = 'click';
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if (cfg.input) {
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input = createElement('input');
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input.type = cfg.input;
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ev = 'change';
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} else if (cfg.select) {
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input = createElement('select');
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input.className = 'btn';
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if (Array.isArray(cfg.select)) {
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cfg.select.forEach(value => {
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value = Array.isArray(value) ? value : [value, value];
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var option = new Option(value[0], value[1]);
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option.style[action] = value[1];
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input.append(option);
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});
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} else {
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Object.entries(cfg.select).forEach(([label, options]) => {
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let group = createElement('optgroup');
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group.label = label;
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Object.entries(options).forEach(([text, value]) => {
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var option = new Option(text, value);
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option.style[action] = value;
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group.append(option);
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});
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input.append(group);
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});
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}
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ev = 'input';
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} else {
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input = createElement('button');
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input.type = 'button';
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input.className = 'btn';
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input.innerHTML = cfg.html;
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input.action_cmd = cfg.cmd;
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/*
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input.addEventListener('pointerdown', () => touchTap = input, {passive:true});
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input.addEventListener('pointermove', () => touchTap = null, {passive:true});
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input.addEventListener('pointercancel', () => touchTap = null);
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input.addEventListener('pointerup', e => {
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if (touchTap === input) {
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e.preventDefault();
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cfg.cmd(input);
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}
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touchTap = null;
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});
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*/
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}
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input.addEventListener(ev, () => cfg.cmd(input));
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cfg.hint = i18n('EDITOR/' + action.toUpperCase());
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if (cfg.hint) {
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input.title = cfg.key ? cfg.hint + ' (' + ctrlKey + cfg.key + ')' : cfg.hint;
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} else if (cfg.key) {
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input.title = ctrlKey + cfg.key;
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}
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input.dataset.action = action;
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input.tabIndex = -1;
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cfg.input = input;
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toolgroup.append(input);
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}
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toolgroup.children.length && toolbar.append(toolgroup);
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}
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this.modeSelect = actions.mode.plain.input;
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let changes = actions.changes;
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changes.undo.input.disabled = changes.redo.input.disabled = true;
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squire.addEventListener('undoStateChange', state => {
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changes.undo.input.disabled = !state.canUndo;
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changes.redo.input.disabled = !state.canRedo;
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});
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actions.font.fontSize.input.selectedIndex = actions.font.fontSize.defaultValueIndex;
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// squire.addEventListener('focus', () => shortcuts.off());
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// squire.addEventListener('blur', () => shortcuts.on());
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container.append(toolbar, wysiwyg, plain);
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/**
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* @param {string} fontName
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* @return {string}
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*/
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const normalizeFontName = (fontName) => fontName.trim().replace(/(^["']*|["']*$)/g, '').trim().toLowerCase();
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/** @type {string[]} - lower cased array of available font families*/
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const fontFamiliesLowerCase = Object.values(actions.font.fontFamily.input.options).map(option => option.value.toLowerCase());
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/**
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* A theme might have CSS like div.squire-wysiwyg[contenteditable="true"] {
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* font-family: 'Times New Roman', Times, serif; }
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* so let's find the best match squire.getRoot()'s font
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* it will also help to properly handle generic font names like 'sans-serif'
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* @type {number}
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*/
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let defaultFontFamilyIndex = 0;
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const squireRootFonts = getComputedStyle(squire.getRoot()).fontFamily.split(',').map(normalizeFontName);
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fontFamiliesLowerCase.some((family, index) => {
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const matchFound = family.split(',').some(availableFontName => {
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const normalizedFontName = normalizeFontName(availableFontName);
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return squireRootFonts.some(squireFontName => squireFontName === normalizedFontName);
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});
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if (matchFound) {
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defaultFontFamilyIndex = index;
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}
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return matchFound;
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});
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/**
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* Instead of comparing whole 'font-family' strings,
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* we are going to look for individual font names, because we might be
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* editing a Draft started in another email client for example
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*
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* @type {Object.<string,number>}
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*/
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const fontNamesMap = {};
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/**
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* @param {string} fontFamily
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* @param {number} index
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*/
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const processFontFamilyString = (fontFamily, index) => {
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fontFamily.split(',').forEach(fontName => {
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const key = normalizeFontName(fontName);
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if (fontNamesMap[key] === undefined) {
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fontNamesMap[key] = index;
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}
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});
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};
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// first deal with the default font family
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processFontFamilyString(fontFamiliesLowerCase[defaultFontFamilyIndex], defaultFontFamilyIndex);
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// and now with the rest of the font families
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fontFamiliesLowerCase.forEach((fontFamily, index) => {
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if (index !== defaultFontFamilyIndex) {
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processFontFamilyString(fontFamily, index);
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}
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});
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// -----
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squire.addEventListener('pathChange', e => {
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const squireRoot = squire.getRoot();
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forEachObjectValue(actions, entries => {
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forEachObjectValue(entries, cfg => {
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// cfg.matches && cfg.input.classList.toggle('active', e.element && e.element.matches(cfg.matches));
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cfg.matches && cfg.input.classList.toggle('active', e.element && e.element.closestWithin(cfg.matches, squireRoot));
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});
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});
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if (e.element) {
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// try to find font-family and/or font-size and set "select" elements' values
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let sizeSelectedIndex = actions.font.fontSize.defaultValueIndex;
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let familySelectedIndex = defaultFontFamilyIndex;
|
|
|
|
let elm = e.element;
|
|
let familyFound = false;
|
|
let sizeFound = false;
|
|
do {
|
|
if (!familyFound && elm.style.fontFamily) {
|
|
familyFound = true;
|
|
familySelectedIndex = -1; // show empty select if we don't know the font
|
|
const fontNames = elm.style.fontFamily.split(',');
|
|
for (let i = 0; i < fontNames.length; i++) {
|
|
const index = fontNamesMap[normalizeFontName(fontNames[i])];
|
|
if (index !== undefined) {
|
|
familySelectedIndex = index;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!sizeFound && elm.style.fontSize) {
|
|
sizeFound = true;
|
|
// -1 is ok because it will just show a black <select>
|
|
sizeSelectedIndex = actions.font.fontSize.select.indexOf(elm.style.fontSize);
|
|
}
|
|
|
|
elm = elm.parentElement;
|
|
} while ((!familyFound || !sizeFound) && elm && elm !== squireRoot);
|
|
|
|
actions.font.fontFamily.input.selectedIndex = familySelectedIndex;
|
|
actions.font.fontSize.input.selectedIndex = sizeSelectedIndex;
|
|
}
|
|
});
|
|
/*
|
|
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);
|