Toolbar Customization
This demo shows how to add a custom control to the toolbar. The Show markup button opens a popup that displays the HtmlEditor’s output markup.
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window.onload = function() {
var editorValue = ko.observable(),
visiblePopup = ko.observable(false);
var viewModel = {
valueContent: ko.observable(),
htmlEditorOptions: {
value: editorValue,
toolbar: {
items: [
"undo", "redo", "separator",
{
formatName: "header",
formatValues: [false, 1, 2, 3, 4, 5]
}, "separator",
"bold", "italic", "strike", "underline", "separator",
"alignLeft", "alignCenter", "alignRight", "alignJustify", "separator",
{
widget: "dxButton",
options: {
text: "Show markup",
stylingMode: "text",
onClick: function() {
visiblePopup(true);
}
}
}
]
}
},
popupOptions: {
showTitle: true,
title: "Markup",
onShowing: function() {
this.valueContent(editorValue());
},
visible: visiblePopup
}
};
ko.applyBindings(viewModel, document.getElementById("demo"));
};
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/18.2.7/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/18.2.7/css/dx.light.css" />
<link rel="dx-theme" data-theme="android5.light" href="https://cdn3.devexpress.com/jslib/18.2.7/css/dx.android5.light.css" />
<link rel="dx-theme" data-theme="ios7.default" href="https://cdn3.devexpress.com/jslib/18.2.7/css/dx.ios7.default.css" />
<link rel="dx-theme" data-theme="win10.black" href="https://cdn3.devexpress.com/jslib/18.2.7/css/dx.win10.black.css" />
<link rel="dx-theme" data-theme="win10.white" href="https://cdn3.devexpress.com/jslib/18.2.7/css/dx.win10.white.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/quill/1.3.6/quill.min.js"></script>
<script src="https://cdn3.devexpress.com/jslib/18.2.7/js/dx.all.js"></script>
<link rel="stylesheet" type ="text/css" href ="styles.css" />
<script src="index.js"></script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div data-bind="dxHtmlEditor: htmlEditorOptions">
<h2>
<img src="images/widgets/HtmlEditor.svg" alt="HtmlEditor">
Formatted Text Editor (HTML Editor)
</h2>
<br>
<p>DevExtreme HTML5 JavaScript HTML Editor is a client-side WYSIWYG text editor that allows its users to format textual and visual content and store it as HTML or Markdown.</p>
<p>Supported features:</p>
<ul>
<li>Inline formats:
<ul>
<li><strong>Bold</strong>, <em>italic</em>, <s>underlined</s> text formatting</li>
<li>Font, size, color changes (HTML only)</li>
</ul>
</li>
<li>Block formats:
<ul>
<li>Headers</li>
<li>Text alignment</li>
<li>Lists (ordered and unordered)</li>
<li>Code blocks</li>
<li>Quotes</li>
</ul>
</li>
<li>Custom formats</li>
<li>HTML and Markdown support</li>
<li>Mail-merge placeholders (for example, %username%)</li>
<li>Adaptive toolbar for working images, links, and color formats</li>
<li>Insert images as a link or base64 (drag-and-drop images to convert them to base64)</li>
<li>Copy-paste rich content (unsupported formats are removed)</li>
</ul>
</div>
<div data-bind="dxPopup: popupOptions">
<div class="value-content" data-bind="text: valueContent"></div>
</div>
</div>
</body>
</html>
.dx-htmleditor-content img {
vertical-align: middle;
padding-right: 10px;
}