MathQuill: How to capture pasted latex if the latex is wrong?
1
I am using mathquill library to convert the latex to equation. If the latex is valid it will call the edit handler. But if the pasted latex is invalid, then show the alert message. How to capture the pasted latex if it is wrong.
mathtext.js
var valid = false;
var mathFieldSpan = document.getElementById('math-field');
latexSpan = document.getElementById('latex');
hiddenSpanArea = document.getElementById('hiddenSpan');
mathField = MQ.MathField(mathFieldSpan, {
spaceBehavesLikeTab: true,
handlers: {
edit: function () {
latexSpan.textContent = mathField.latex();
valid = true;
}
}
});
window.mathField = mathField;
$(mathFieldSpan).keydown(function (e) {
if (e.keyCode == 86) { //keycode value for "v"
if (!valid) { // checks if the pasted value is not valid
alert("error")
}
valid = false;
}
});
mathtext.html
<span id="math-field"></span>
<span id="latex"></span>
javascript mathquill
edited Nov 21 '18 at 11:41
Eugene Mihaylin
1,0001725
asked Nov 21 '18 at 10:11
akshaya rathinavelakshaya rathinavel
1259
add a comment |
1
I am using mathquill library to convert the latex to equation. If the latex is valid it will call the edit handler. But if the pasted latex is invalid, then show the alert message. How to capture the pasted latex if it is wrong.
mathtext.js
var valid = false;
var mathFieldSpan = document.getElementById('math-field');
latexSpan = document.getElementById('latex');
hiddenSpanArea = document.getElementById('hiddenSpan');
mathField = MQ.MathField(mathFieldSpan, {
spaceBehavesLikeTab: true,
handlers: {
edit: function () {
latexSpan.textContent = mathField.latex();
valid = true;
}
}
});
window.mathField = mathField;
$(mathFieldSpan).keydown(function (e) {
if (e.keyCode == 86) { //keycode value for "v"
if (!valid) { // checks if the pasted value is not valid
alert("error")
}
valid = false;
}
});
mathtext.html
<span id="math-field"></span>
<span id="latex"></span>
javascript mathquill
edited Nov 21 '18 at 11:41
Eugene Mihaylin
1,0001725
asked Nov 21 '18 at 10:11
akshaya rathinavelakshaya rathinavel
1259
add a comment |
1
1
1
I am using mathquill library to convert the latex to equation. If the latex is valid it will call the edit handler. But if the pasted latex is invalid, then show the alert message. How to capture the pasted latex if it is wrong.
mathtext.js
var valid = false;
var mathFieldSpan = document.getElementById('math-field');
latexSpan = document.getElementById('latex');
hiddenSpanArea = document.getElementById('hiddenSpan');
mathField = MQ.MathField(mathFieldSpan, {
spaceBehavesLikeTab: true,
handlers: {
edit: function () {
latexSpan.textContent = mathField.latex();
valid = true;
}
}
});
window.mathField = mathField;
$(mathFieldSpan).keydown(function (e) {
if (e.keyCode == 86) { //keycode value for "v"
if (!valid) { // checks if the pasted value is not valid
alert("error")
}
valid = false;
}
});
mathtext.html
<span id="math-field"></span>
<span id="latex"></span>
javascript mathquill
edited Nov 21 '18 at 11:41
Eugene Mihaylin
1,0001725
asked Nov 21 '18 at 10:11
akshaya rathinavelakshaya rathinavel
1259
I am using mathquill library to convert the latex to equation. If the latex is valid it will call the edit handler. But if the pasted latex is invalid, then show the alert message. How to capture the pasted latex if it is wrong.
mathtext.js
var valid = false;
var mathFieldSpan = document.getElementById('math-field');
latexSpan = document.getElementById('latex');
hiddenSpanArea = document.getElementById('hiddenSpan');
mathField = MQ.MathField(mathFieldSpan, {
spaceBehavesLikeTab: true,
handlers: {
edit: function () {
latexSpan.textContent = mathField.latex();
valid = true;
}
}
});
window.mathField = mathField;
$(mathFieldSpan).keydown(function (e) {
if (e.keyCode == 86) { //keycode value for "v"
if (!valid) { // checks if the pasted value is not valid
alert("error")
}
valid = false;
}
});
mathtext.html
<span id="math-field"></span>
<span id="latex"></span>
javascript mathquill
javascript mathquill
edited Nov 21 '18 at 11:41
Eugene Mihaylin
1,0001725
asked Nov 21 '18 at 10:11
akshaya rathinavelakshaya rathinavel
1259
edited Nov 21 '18 at 11:41
Eugene Mihaylin
1,0001725
asked Nov 21 '18 at 10:11
akshaya rathinavelakshaya rathinavel
1259
edited Nov 21 '18 at 11:41
Eugene Mihaylin
1,0001725
edited Nov 21 '18 at 11:41
Eugene Mihaylin
1,0001725
edited Nov 21 '18 at 11:41
Eugene Mihaylin
1,0001725
1,0001725
asked Nov 21 '18 at 10:11
akshaya rathinavelakshaya rathinavel
1259
asked Nov 21 '18 at 10:11
akshaya rathinavelakshaya rathinavel
1259
asked Nov 21 '18 at 10:11
akshaya rathinavelakshaya rathinavel
1259
1259
add a comment |
add a comment |
0
active
oldest
votes
Your Answer
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53409697%2fmathquill-how-to-capture-pasted-latex-if-the-latex-is-wrong%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
0
active
oldest
votes
0
active
oldest
votes
active
oldest
votes
active
oldest
votes
draft saved
draft discarded
Thanks for contributing an answer to Stack Overflow!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53409697%2fmathquill-how-to-capture-pasted-latex-if-the-latex-is-wrong%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
