![]() Width, height, padding, margin, border-width, outline and box-sizing in and in must be same.īy taking inspiration from this solution, I was able to separate myself from absolute positioning and sync_scroll. Only parts that are in the view will be highlighted, any text below and above the scroll bar will be ignored.įont-size, font-family, line-height, text-indent and letter-spacing in and in must be same. The reason why CodeMirror, Ace, Monaco, and the like can work faster even though they have bigger source code is because they work on the stream. onContentReady: A function that is executed when the UI component is rendered and each time the component is repainted. name: The value to be assigned to the name attribute of the underlying HTML element. mediaResizing: Configures media resizing. This is very inefficient and you will feel the difference when you open a very large document. Specifies or indicates whether the editor's value is valid. '' + highlightCode(selectionBefore) + '' + SelectionAfter = encodeHTML(selectionAfter) Editable Text, Editable Text Area, Password, Rich Text Editor, Text Area, Text Input. View documentation Cross Platform Supports all modern browsers on desktops, tablets and phones. Works consistently and deterministically with JSON as both input and output. SelectionBefore = encodeHTML(selectionBefore) Reference documentation for Retools JSON Editor component. Download Now An API Driven Rich Text Editor Built for Developers Granular access to the editor's content, changes and events through a simple API. We can add some CSS that basically allows the and the elements to be sized and spaced consistently. The idea is to visibly merge the elements together so it looks like we’re interacting with one element when there are actually two elements at work. There are a few bugs we’ll get to, but I want to focus first on making it look like you are directly editing the syntax-highlighted element, rather than a separate textarea. Now, when the textarea is edited - as in, a pressed key on the keyboard comes back up - the syntax-highlighted code changes. Let result_element = document.querySelector("#highlighting-content") I also added an aria-hidden attribute to the result so that screen readers would only read what is entered into the instead of being read aloud twice. Here is an example of a Rich Text field with the label options right-align. The down votes are hilarious and show an obvious lack of knowledge. I added both a syntax-highlighted and a textarea to the page, and made the innerText content of change oninput, using a JavaScript function. This is an advanced configuration that can only be set up in the JSON editor. The text area returned will be exactly what was entered with zero chance of upsetting a wyswyg editor or basic HTML5 textarea which could use a combination of HTML/CSS, DOS, Apple and Unix depending on what text is cut/pasted. But, I thought, why not both? The solution Prism.js works a lot better when the source code is wrapped in a typical tag combo - it’s only missing the editable part of the equation. For the parsing step youre just going to want to JSON.parse the contents of the textarea and handle any errors from bad input. A textarea seems to be the only way to edit the text without unwanted bugs - it just doesn’t let Prism.js do its thing. In other words, we’re unable to style the content that’s entered. Next, I tried about using a but that also didn’t work, as textareas can only contain plain text. If you want to use jQuery version of the editor. Each time the content in the element changes, the DOM is manipulated and the user’s cursor is pushed back to the start of the code, meaning the source code appears backwards, with the last characters at the start, and the first characters at the end. Add class jsoneditor to textarea field to initialize Htmleditor. ![]() Seems like a decent idea, right? We have an element that can be edited on the front end, and Prism.js applies its syntax styling to what’s typed in the element.Ĭhris covers how to use Prism.js in this video.īut that was a no-go. I typed some source code into the div and ran it through Prism.js, a popular syntax highlighter, on oninput via JavaScript. First, I tried using the contenteditable attribute on a div. ![]() Application adds support for editing JSONField in Django Administration via.
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