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Merge pull request #5673 from SimonBrandner/dont-show-copy-button

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Add <code> if it's missing
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J. Ryan Stinnett 2021-02-24 13:33:39 +00:00 committed by GitHub
commit c57b49a354
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1 changed files with 10 additions and 0 deletions
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10
src/components/views/messages/TextualBody.js
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@ -99,6 +99,10 @@ export default class TextualBody extends React.Component {
// If there already is a div wrapping the codeblock we want to skip this.
// This happens after the codeblock was edited.
if (pres[i].parentNode.className == "mx_EventTile_pre_container") continue;
// Add code element if it's missing since we depend on it
if (pres[i].getElementsByTagName("code").length == 0) {
this._addCodeElement(pres[i]);
}
// Wrap a div around <pre> so that the copy button can be correctly positioned
// when the <pre> overflows and is scrolled horizontally.
const div = this._wrapInDiv(pres[i]);
@ -128,6 +132,12 @@ export default class TextualBody extends React.Component {
}
}
_addCodeElement(pre) {
const code = document.createElement("code");
code.append(...pre.childNodes);
pre.appendChild(code);
}
_addCodeExpansionButton(div, pre) {
// Calculate how many percent does the pre element take up.
// If it's less than 30% we don't add the expansion button.