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Updated tinymce code block handling to help prevent breaking history states

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Only used an undo transaction on startup and added a small delay
to codeMirror parsing on SetContent's to help avoid
the rendering activities getting caught in undoManager states.
Seemed to improve things a lot in Firefox & chrome on my dev machine.

For #2602
This commit is contained in:
Dan Brown 2021-04-19 22:00:33 +01:00
parent 9df4dee1b2
commit 70be28d22c
1 changed files with 10 additions and 9 deletions
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13
resources/js/components/wysiwyg-editor.js
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@ -152,8 +152,8 @@ function codePlugin() {
return;
}
let lang = selectedNode.hasAttribute('data-lang') ? selectedNode.getAttribute('data-lang') : '';
let currentCode = selectedNode.querySelector('textarea').textContent;
const lang = selectedNode.hasAttribute('data-lang') ? selectedNode.getAttribute('data-lang') : '';
const currentCode = selectedNode.querySelector('textarea').textContent;
window.components.first('code-editor').open(currentCode, lang, (code, lang) => {
const editorElem = selectedNode.querySelector('.CodeMirror');
@ -225,22 +225,23 @@ function codePlugin() {
return elem.contentEditable !== "false";
});
if (!codeSamples.length) return;
editor.undoManager.transact(function () {
codeSamples.each((index, elem) => {
Code.wysiwygView(elem);
});
});
}
editor.on('init', function() {
// Parse code mirror instances on init, but delay a little so this runs after
// initial styles are fetched into the editor.
editor.undoManager.transact(function () {
parseCodeMirrorInstances();
});
// Parsed code mirror blocks when content is set but wait before setting this handler
// to avoid any init 'SetContent' events.
setTimeout(() => {
editor.on('SetContent', parseCodeMirrorInstances);
editor.on('SetContent', () => {
setTimeout(parseCodeMirrorInstances, 100);
});
}, 200);
});