mirror of
https://github.com/the-djmaze/snappymail.git
synced 2025-01-09 16:28:00 +08:00
522 lines
15 KiB
JavaScript
522 lines
15 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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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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hint: i18n('EDITOR/TEXT_SWITCHER_PLAIN_TEXT', 'Plain')
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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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cmd: s => squire.setStyle({ fontSize: s.value })
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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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hint: 'Text 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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hint: 'Background color'
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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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hint: 'Bold',
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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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hint: 'Italic',
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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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hint: 'Underline',
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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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hint: 'Strikethrough',
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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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hint: 'Subscript',
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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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hint: 'Superscript',
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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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hint: 'Ordered list',
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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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hint: 'Unordered list',
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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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hint: 'Blockquote',
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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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hint: 'Decrease indent'
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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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hint: 'Increase indent'
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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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hint: 'Link',
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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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hint: 'Image URL',
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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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hint: 'Image select',
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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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hint: 'Undo'
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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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hint: 'Redo'
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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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hint: i18n('EDITOR/TEXT_SWITCHER_SOURCE', 'Source')
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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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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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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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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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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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// 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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squire.addEventListener('pathChange', e => {
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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, squire.getRoot()));
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});
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});
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});
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/*
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squire.addEventListener('cursor', e => {
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console.dir({cursor:e.range});
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});
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squire.addEventListener('select', e => {
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console.dir({select:e.range});
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});
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*/
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// CKEditor gimmicks used by HtmlEditor
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this.plugins = {
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plain: true
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};
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this.focusManager = {
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hasFocus: () => squire._isFocused,
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blur: () => squire.blur()
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};
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}
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doAction(name) {
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this.squire[name]();
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this.squire.focus();
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}
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doList(type) {
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let parent = this.squire.getSelectionClosest('UL,OL')?.nodeName,
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fn = {UL:'makeUnorderedList',OL:'makeOrderedList'};
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(parent == type) ? this.squire.removeList() : this.squire[fn[type]]();
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}
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/*
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testPresenceinSelection(format, validation) {
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return validation.test(this.squire.getPath()) || this.squire.hasFormat(format);
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}
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*/
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setMode(mode) {
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if (this.mode != mode) {
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let cl = this.container.classList, source = 'source' == this.mode;
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cl.remove('squire-mode-'+this.mode);
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if ('plain' == mode) {
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this.plain.value = htmlToPlain(source ? this.plain.value : this.squire.getHTML(), true);
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} else if ('source' == mode) {
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this.plain.value = this.squire.getHTML();
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} else {
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this.setData(source ? this.plain.value : plainToHtml(this.plain.value, true));
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mode = 'wysiwyg';
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}
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this.mode = mode; // 'wysiwyg' or 'plain'
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cl.add('squire-mode-'+mode);
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this.onModeChange?.();
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setTimeout(()=>this.focus(),1);
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}
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this.modeSelect.selectedIndex = 'plain' == this.mode ? 1 : 0;
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}
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// CKeditor gimmicks used by HtmlEditor
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on(type, fn) {
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if ('mode' == type) {
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this.onModeChange = fn;
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} else {
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this.squire.addEventListener(type, fn);
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this.plain.addEventListener(type, fn);
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}
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}
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execCommand(cmd, cfg) {
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if ('insertSignature' == cmd) {
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cfg = Object.assign({
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clearCache: false,
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isHtml: false,
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insertBefore: false,
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signature: ''
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}, cfg);
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if (cfg.clearCache) {
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this._prev_txt_sig = null;
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} else try {
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const signature = cfg.isHtml ? htmlToPlain(cfg.signature) : cfg.signature;
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if ('plain' === this.mode) {
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let
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text = this.plain.value,
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prevSignature = this._prev_txt_sig;
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if (prevSignature) {
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text = text.replace(prevSignature, '').trim();
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}
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this.plain.value = cfg.insertBefore ? '\n\n' + signature + '\n\n' + text : text + '\n\n' + signature;
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} else {
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const squire = this.squire,
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root = squire.getRoot(),
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br = createElement('br'),
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div = createElement('div');
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div.className = 'rl-signature';
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div.innerHTML = cfg.isHtml ? cfg.signature : plainToHtml(cfg.signature);
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root.querySelectorAll('div.rl-signature').forEach(node => node.remove());
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cfg.insertBefore ? root.prepend(div) : root.append(div);
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// Move cursor above signature
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div.before(br);
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div.before(br.cloneNode());
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}
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this._prev_txt_sig = signature;
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} catch (e) {
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console.error(e);
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}
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}
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}
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getData() {
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return 'source' == this.mode ? this.plain.value : trimLines(this.squire.getHTML());
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}
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setData(html) {
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// this.plain.value = html;
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const squire = this.squire;
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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);
|