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---++ Proxima 2.0

Proxima 2.0 is an open-source web-based generic editor that can be used to create WYSIWYG editors on web-pages, without requiring  editing users to install any software. Except for a small !JavaScript client, the system has been written entirely in the functional language Haskell. 

<!--
   * based on stand-alone Proxima system 
   *  view/ideology behind Proxima
   * Editor structured document, but see presentation.
   * want to edit both levels. Structural (delete section), presentation oriented (type or cut and paste text)
   * Proxima supports complex presentations of the document, graphical. Moreover, derived values table of contents that can be made editable.
   
   * Proxima 2.0
   * Lightweight client catches all gestures sent to server
   * server computes updates and sends incremental HTML back to client
   * Fast enough, even with latency and low badwidth: Incremental updates. Most edit operations only small change in presentation. Also predictive rendering: client computes a temporary update until final update from server.
   * Resulting clients Also works on small devices such as iPhones. Example usage. -->

In order to instantiate an editor, the editor designer needs to declare a document type and provide a number of stylesheets that specify the behavior of the editor. The stylesheets are then compiled to a server application. More information about instantiating an editor can be found on the [[Building an instance]] pages.

The underlying Proxima architecture was developed by Martijn Schrage at Utrecht University, as part of his !PhD project (thesis available at [[Publications]]). The web-based functionality was made possible by a grand from NLnet foundation.

Proxima 2.0 is an open-source project, maintained by Martijn Schrage of [[http://www.oblomov.com][Oblomov Systems]]. We are looking for people that can help with the development. Check out [[Contribute]] to find out how you can get involved with the project.

---+++ Screenshots

Below are some screenshots of editors created with Proxima 2.0. Click on the screenshot to see a larger version. A description of these editors together with the actual editors that can be tested is found in the [[Gallery]].
<br/></br><br/>
<table style="width: 100%">
<tr>
<td>
     <a href="%ATTACHURLPATH%/ScreenshotDazzle.png"><img src="%ATTACHURLPATH%/ScreenshotDazzle.png" alt="ScreenshotDazzle.png" style="width: 250px" border="0" /></a><br/>
<center>Dazzle documentation editor</center>
</td><td>
     <a href="%ATTACHURLPATH%/ScreenshotHelium.png"><img src="%ATTACHURLPATH%/ScreenshotHelium.png" alt="ScreenshotHelium.png" style="width: 250px" border="0"  /></a>
<center>Helium source editor</center>
</td><td>
     <a href="%ATTACHURLPATH%/ScreenshotDeclarationForm.png"><img src="%ATTACHURLPATH%/ScreenshotDeclarationForm.png" alt="ScreenshotDeclarationForm.png" style="width: 250px" border="0" /></a>
<center>Travel declaration form</center>
</td>
</tr><tr><td><br/></td></tr><tr>
<td>
     <a href="%ATTACHURLPATH%/ScreenshotTaskList.png"><img src="%ATTACHURLPATH%/ScreenshotTaskList.png" alt="ScreenshotTaskList.png" style="width: 250px" border="0" /></a>
<center>Task list</center>
</td><td>
     <a href="%ATTACHURLPATH%/ScreenshotSudoku.png"><img src="%ATTACHURLPATH%/ScreenshotSudoku.png" alt="ScreenshotSudoku.png" style="width: 250px" border="0" /></a>
<center>Sudoku solver</center>
</td><td>
     <a href="%ATTACHURLPATH%/ScreenshotStyledText.png"><img src="%ATTACHURLPATH%/ScreenshotStyledText.png" alt="ScreenshotStyledText.png" style="width: 250px" border="0" /></a>
<center>Styled text editing</center>
</td>
</tr>
</table>


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-- Main.MartijnSchrage - 09 Mar 2010