Open source rich text editor based on HTML5 and the progressive-enhancement approach. Uses a sophisticated security concept and aims to generate fully valid HTML5 markup by preventing unmaintainable tag soups and inline styles.
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README.textile

wysihtml5x 0.4.0

wysihtml5x is an extended and less strict approach on xing/wysihtml5 open source rich text editor based on HTML5 technology.
The code is completely library agnostic: No jQuery, Prototype or similar is required.

This project was initiated and is supported by the XING AG. Thanks!

Features

  • Auto linking of urls as-you-type
  • Generates valid and semantic HTML5 markup (no <font>)
  • Can use class-names instead of inline styles
  • Unifies line-break handling across browsers (hitting enter will create <br> instead of <p> or <div>)
  • Auto-parses content inserted via copy & paste (from Word, Powerpoint, PDF, other web pages, …)
  • Converts invalid or unknown html tags into valid/similar tags
  • Source code view for users with HTML skills
  • Uses sandboxed iframes in order to prevent identity theft through XSS
  • Editor inherits styles and attributes (placeholder, autofocus, …) from original textarea (you only have to style one element)

Extended features not present in xing/wysihtml5 0.4.0pre

  • Can be used without iframe sandbox when initiated on div instead of textarea
  • Blocking of image drag drop in editable is removed
  • Table insertion management and cell merging commands
  • Improved parser with options to: unwrap tag instead of remove, keep defined styles, complex object type definitions for allowing elements.
  • Ability to add uneditable area inside editor text flow (useful when building modules like video tools, advanced image editor etc.)
  • Improved formatblock handling
  • Ability for user to remove formating with only collapsed caret. (without having to select exactly whole text)
  • Improved speed

Browser Support

The rich text editing interface is supported in IE8+, FF 3.5+, Safari 4+, Safari on iOS 5+, Opera 11+ and Chrome.
Graceful Degradation: Users with other browsers will see the textarea and are still able to write plain HTML by themselves.

Demos

Companies using wysihtml5

  • Basecamp – Leading web-based project management and collaboration tool
  • XING – Business Social Network with more than 12 million members
  • Qype – Largest user-generated local review site in Europe
  • and many more …

Wiki

Research

Before starting wysihtml5 we spent a lot of time investigating the different browsers and their behaviors.

Check this repository:
https://github.com/tiff/wysihtml5-tests

A compatibility table for rich text query commands can be found here:
http://tifftiff.de/contenteditable/compliance_test.html

A pure native rich text editor with HTML validator and live source preview is here:
http://tifftiff.de/contenteditable/editor.html

Contributors