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<!DOCTYPE html><!--Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license--><html lang="en"><head><meta charset="utf-8"><title>Using the CKEditor Read-Only API — CKEditor Sample</title><script src="../../ckeditor.js"></script><link rel="stylesheet" href="sample.css"><meta name="description" content="Try the latest sample of CKEditor 4 and learn more about customizing your WYSIWYG editor with endless possibilities."><script>var editor;// The instanceReady event is fired, when an instance of CKEditor has finished// its initialization.CKEDITOR.on( 'instanceReady', function( ev ) {editor = ev.editor;// Show this "on" button.document.getElementById( 'readOnlyOn' ).style.display = '';// Event fired when the readOnly property changes.editor.on( 'readOnly', function() {document.getElementById( 'readOnlyOn' ).style.display = this.readOnly ? 'none' : '';document.getElementById( 'readOnlyOff' ).style.display = this.readOnly ? '' : 'none';});});function toggleReadOnly( isReadOnly ) {// Change the read-only state of the editor.// https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html#method-setReadOnlyeditor.setReadOnly( isReadOnly );}</script></head><body><h1 class="samples"><a href="index.html">CKEditor Samples</a> » Using the CKEditor Read-Only API</h1><div class="warning deprecated">This sample is not maintained anymore. Check out its <a href="https://ckeditor.com/docs/ckeditor4/latest/examples/readonly.html">brand new version in CKEditor Examples</a>.</div><div class="description"><p>This sample shows how to use the<code><a class="samples" href="https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_editor.html#method-setReadOnly">setReadOnly</a></code>API to put editor into the read-only state that makes it impossible for users to change the editor contents.</p><p>For details on how to create this setup check the source code of this sample page.</p></div><form action="sample_posteddata.php" method="post"><p><textarea class="ckeditor" id="editor1" name="editor1" cols="100" rows="10"><p>This is some <strong>sample text</strong>. You are using <a href="https://ckeditor.com/">CKEditor</a>.</p></textarea></p><p><input id="readOnlyOn" onclick="toggleReadOnly();" type="button" value="Make it read-only" style="display:none"><input id="readOnlyOff" onclick="toggleReadOnly( false );" type="button" value="Make it editable again" style="display:none"></p></form><div id="footer"><hr><p>CKEditor - The text editor for the Internet - <a class="samples" href="https://ckeditor.com/">https://ckeditor.com</a></p><p id="copy">Copyright © 2003-2021, <a class="samples" href="https://cksource.com/">CKSource</a> - FredericoKnabben. All rights reserved.</p></div></body></html>