File uploads with nterchange ckeditor.

ckeditor_config.js

CKEDITOR.editorConfig = function( config ) {
  // http://docs.cksource.com/ckeditor_api/symbols/CKEDITOR.config.html#.toolbar
  config.toolbar = [
    ['Source', '-', 'Cut', 'Copy', 'PasteText', 'Link', 'Unlink'],
    ['Bold', 'Italic', 'NumberedList', 'BulletedList'],
    ['HorizontalRule', 'Table', 'Outdent', 'Indent', 'RemoveFormat'],
    ['Format', 'FontSize']
  ];
  config.uiColor = '#CCC';
  config.skin   = 'kama';
  config.forcePasteAsPlainText = true;
  config.filebrowserUploadUrl = '/nterchange/media_element/ck_uploader';
};

media_element_controller.php

<?php
require_once 'app/controllers/asset_controller.php';
class MediaElementController extends AssetController {
    function __construct() {
        $this->name = 'media_element';
        $this->versioning = true;
        $this->base_view_dir = ROOT_DIR;
        $this->login_required[] = 'ck_uploader';
        parent::__construct();
    }
    
    function ckUploader(){
        if (defined('IN_NTERCHANGE')){
            $funcNum = $_GET['CKEditorFuncNum'];
            // Optional: instance name (might be used to load a specific configuration file or anything else).
            $CKEditor = $_GET['CKEditor'];
            // Optional: might be used to provide localized messages.
            $langCode = $_GET['langCode'];
             
            
            $timestamp = date("YmdHis");
            $fname = $timestamp.'/'.$_FILES['upload']['name'];
            $rel_path = '/upload/media_element/'.$fname;
            
            // Create a datestamped folder in upload/media_elemnt
            // Shouldn't collide with existing setup
            $dir = DOCUMENT_ROOT.'/upload/media_element/'.$timestamp;
            mkdir($dir);
            
            // Copy the temp file to the new path
            $path = DOCUMENT_ROOT.$rel_path;
            link($_FILES['upload']['tmp_name'], $path);
            
            // Create the media_element asset
            $m = $this->getDefaultModel();
            $m->cms_headline = $fname;
            $m->media_file = $url;
            $m->link_title = $fname;
            $m->save();
            
            // Usually you will only assign something here if the file could not be uploaded.
            $message = '';
            echo "<script type='text/javascript'>window.parent.CKEDITOR.tools.callFunction($funcNum, '$rel_path', '$message');</script>";        
        }
    }
}
?>

Uploads the file as a media element and returns the relative path to the file. Seems to work peachy!

Will add to the repo once I'm sure there's no loose ends. File browsing might be another story..