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text.html
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<html>
<title>TEST</title>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
</head>
<body>
<div contenteditable="true" id="edit">
This is editable. what hih [] ihi!!!
</div>
<br/>
<!-- Active Node:<br/>
<pre id="an">Nothing</pre> -->
<!-- <br/>
Active Element:<br/>
<pre id="ae">Nothing</pre>
<br/> -->
<script>
function getFind(str) {
let startElementPos = 0;
// const regex = /\[\!\[(.+?)\]\((.+?)\)\]/g;
const regex = /\[\!\[(.*?)\]\((.+\.(png|jpg|jpeg))\)/g;
const matches = regex.exec(str);
if(matches) {
const startPos = matches.index;
const lastPos = matches.index + matches[0].length;
const preText = str.slice(0, startPos);
const lastText = str.slice(lastPos);
const data = {url: matches[2], alt: matches[1]}
return {preText: preText, lastText: lastText, data: data}
}
}
function createContent(dt) {
// let node = document.createElement("div"); // Create a <li> node
// node.innerText = dt.data.url;
let node = `<img src=${dt.data.url} alt=${dt.data.alt}>`
let preElement = document.createElement("p");
preElement.innerHTML = dt.preText;
let lastElement = document.createElement("p");
lastElement.innerHTML = dt.lastText;
const newElement = preElement.outerHTML + node + lastElement.outerHTML;
return newElement;
}
function updateContent(el, element) {
if (typeof element === 'string') {
el.innerHTML = element;
} else {
el.appendChild(element)
}
// this is the innermost *element*
// var ae = an;
// while (!( ae instanceof Element ))
// ae = ae.parentElement;
// $('#an').text(an.nodeValue);
// $('#ae').text(ae.outerHTML);
}
$('#edit').on('click', function() {
// this is the innermost *node*
var an = window.getSelection().anchorNode;
var pe = an.parentElement;
var peC = pe.innerHTML;
const parseData = getFind(peC);
if (parseData) {
const elements = createContent(parseData)
updateContent(pe, elements);
}
});
// window.addEventListener('load', function() {
// var editbox = document.getElementById("edit")
// editbox.addEventListener('keyup', (e) => {
// console.log(e.keyCode)
// var an = window.getSelection().anchorNode;
// var pe = an.parentElement;
// var peC = pe.innerHTML;
// const parseData = getFind(peC);
// if (parseData) {
// const elements = createContent(parseData)
// updateContent(pe, elements);
// }
// // and here is how to detect the enter key
// if (13 === e.keyCode) {
// alert("this should appear");
// }
// });
// });
</script>
</body>
</html>
<!-- // /* eslint-disable */
// require('../mathjax');
// let count = 0;
// const mathNumber = [];
// (function (root, factory) {
// if (typeof exports === 'object') {
// module.exports = factory();
// } else {
// root.markdownitMathjax = factory();
// }
// }(this, () => {
// function multiMath(state, silent) {
// count = 0;
// let startMathPos = state.pos;
// if (state.src.charCodeAt(startMathPos) !== 0x5C /* \ */) {
// return false;
// }
// const match = state.src.slice(++startMathPos).match(/^(?:\\\[|\\\(|begin\{([^}]*)\}|eqref\{([^}]*)\})/); // eslint-disable-line
// if (!match) {
// return false;
// }
// startMathPos += match[0].length;
// let type, endMarker, includeMarkers; // eslint-disable-line
// if (match[0] === '\\[') {
// type = 'display_math';
// endMarker = '\\\\]';
// } else if (match[0] === '\\(') {
// type = 'inline_math';
// endMarker = '\\\\)';
// } else if (match[0].includes('eqref')) {
// type = 'reference_note';
// endMarker = '';
// } else if (match[1]) {
// type = 'equation_math';
// endMarker = `\\end{${match[1]}}`;
// includeMarkers = true;
// }
// const endMarkerPos = state.src.indexOf(endMarker, startMathPos);
// if (endMarkerPos === -1) {
// return false;
// }
// const nextPos = endMarkerPos + endMarker.length;
// if (!silent) {
// const token = state.push(type, '', 0);
// if (includeMarkers) {
// token.content = state.src.slice(state.pos, nextPos);
// } else if (type === 'reference_note') {
// token.content = match ? match[2] : '';
// } else {
// token.content = state.src.slice(startMathPos, endMarkerPos);
// }
// }
// state.pos = nextPos;
// return true;
// }
// function simpleMath(state, silent) {
// let startMathPos = state.pos;
// if (state.src.charCodeAt(startMathPos) !== 0x24 /* $ */) {
// return false;
// }
// // Parse tex math according to http://pandoc.org/README.html#math
// let endMarker = '$';
// const afterStartMarker = state.src.charCodeAt(++startMathPos); // eslint-disable-line
// if (afterStartMarker === 0x24 /* $ */) {
// endMarker = '$$';
// if (state.src.charCodeAt(++startMathPos) === 0x24 /* $ */) { // eslint-disable-line
// return false;
// }
// } else {
// // Skip if opening $ is succeeded by a space character
// if (afterStartMarker === 0x20 /* space */ || afterStartMarker === 0x09 /* \t */ || afterStartMarker === 0x0a /* \n */) { // eslint-disable-line
// return false;
// }
// }
// const endMarkerPos = state.src.indexOf(endMarker, startMathPos);
// if (endMarkerPos === -1) {
// return false;
// }
// if (state.src.charCodeAt(endMarkerPos - 1) === 0x5C /* \ */) {
// return false;
// }
// const nextPos = endMarkerPos + endMarker.length;
// if (endMarker.length === 1) {
// // Skip if $ is preceded by a space character
// const beforeEndMarker = state.src.charCodeAt(endMarkerPos - 1);
// if (beforeEndMarker === 0x20 /* space */ || beforeEndMarker === 0x09 /* \t */ || beforeEndMarker === 0x0a /* \n */) {
// return false;
// }
// // Skip if closing $ is succeeded by a digit (eg $5 $10 ...)
// const suffix = state.src.charCodeAt(nextPos);
// if (suffix >= 0x30 && suffix < 0x3A) {
// return false;
// }
// }
// if (!silent) {
// const token = state.push(endMarker.length === 1 ? 'inline_math' : 'display_math', '', 0);
// token.content = state.src.slice(startMathPos, endMarkerPos);
// }
// state.pos = nextPos;
// return true;
// }
// function extend(options, defaults) {
// return Object.keys(defaults).reduce((result, key) => {
// if (result[key] === undefined) {
// result[key] = defaults[key];
// }
// return result;
// }, options);
// }
// const mapping = {
// math: 'Math',
// inline_math: 'InlineMath',
// display_math: 'DisplayMath',
// equation_math: 'EquationMath',
// reference_note: 'Reference_note'
// };
// const checkReference = (data) => {
// const match = data.match(/label\{([^}]*)\}/);
// return { tagId: match ? match[1] : '', math: data.replace(/\\label\{([^}]*)\}/, '') };
// };
// const renderMath = (a, token) => {
// const { tagId, math } = checkReference(token.content);
// const mathEquation = MathJax.Typeset(math, true).outerHTML; // eslint-disable-line
// const equationNode = token.type === 'equation_math' ? `<span class='equation-number' ${tagId ? `id="${tagId}"` : ''}>(${++count})</span>` : ''; // eslint-disable-line
// if (tagId) {
// mathNumber[tagId] = `[${count}]`;
// }
// return token.type === 'inline_math' ? `<span className="math-inline">${mathEquation}</span>` : `<span className="math-block">${mathEquation}${equationNode}</span>`;
// };
// const renderReference = (token) => {
// return `<a href="javascript:void(0)" style="cursor: pointer; text-decoration: none;" className="clickable-link" value=${token.content}>${mathNumber[token.content] || token.content} </a>`;
// };
// return (options) => {
// const defaults = {
// beforeMath: '',
// afterMath: '',
// beforeInlineMath: '\\(',
// afterInlineMath: '\\)',
// beforeDisplayMath: '\\[',
// afterDisplayMath: '\\]'
// };
// options = extend(options || {}, defaults);
// return (md) => {
// md.inline.ruler.before('escape', 'multiMath', multiMath);
// md.inline.ruler.push('simpleMath', simpleMath);
// Object.keys(mapping).forEach((key) => {
// md.renderer.rules[key] = (tokens, idx) => (
// tokens[idx].type === 'reference_note' ?
// renderReference(tokens[idx])
// : renderMath(tokens, tokens[idx])
// );
// });
// };
// };
// }));
// </script>
// </body>
// </html> -->
<!-- <html>
<title>TEST</title>
<head>
<style>
h4,
p {
margin: 0;
}
#code {
width: 100%;
min-height: 30px;
}
#content {
margin: 15px;
padding: 2px;
width: 200px;
height: 300px;
border: 1px solid black;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
</head>
<body>
<textarea id="code"></textarea>
<div id="text"></div>
<div contenteditable="true" id="content" spellcheck="false" style="font-family: Arial;">
<b>Lorem ipsum</b> dolor sit amet, <u>consectetur adipiscing elit.
Morbi sagittis</u> <s>mauris porta arcu auctor, vel aliquam ligula ornare.</s> Sed at <span id="someId">semper neque, et dapibus metus.
Maecenas dignissim est non nunc feugiat</span> sollicitudin. Morbi consequat euismod consectetur. Mauris orci risus, <b>porta quis erat ac, malesuada</b> fringilla odio.
</div>
<script>
function getSelectionHtml() {
var selection = window.document.selection,
range, oldBrowser = true;
if (!selection) {
selection = window.getSelection();
range = selection.getRangeAt(0);
oldBrowser = false;
} else
range = document.selection.createRange();
selection.modify("move", "backward", "lineboundary");
selection.modify("extend", "forward", "lineboundary");
if (oldBrowser) {
var html = document.selection.createRange().htmlText;
range.select();
return html;
}
var html = document.createElement("div");
for (var i = 0, len = selection.rangeCount; i < len; ++i) {
html.appendChild(selection.getRangeAt(i).cloneContents());
}
selection.removeAllRanges();
selection.addRange(range);
return html.innerHTML;
}
document.getElementById("content").onmouseup = function(e) {
var html = getSelectionHtml();
document.getElementById("text").innerHTML = html;
document.getElementById("code").textContent = html;
};
</script>
</body>
</html> -->