interface/themes/themeBuilder.php

   1 <?php
   2 /**
   3  * Build custom CSS elements defined in the Admin pages.
   4  *
   5  * @package OpenEMR
   6  * @subpackage Theme
   7  * @author Robert Down <robertdown@live.com>
   8  * @copyright Copyright (c) 2017 Robert Down
   9  * @license https://github.com/openemr/openemr/blob/master/LICENSE GNU General Public License 3
  10  */
  11
  12 require_once __DIR__ . '/../globals.php';
  13
  14 $cssFile = file_get_contents('themeBuilder.css');
  15
  16 // Allowed CSS replacements
  17 $variables = [
  18     'font-family',
  19     'font-size',
  20 ];
  21
  22 // Build string-replacement array
  23 $re = "/%(.*)%/";
  24 $matches = [];
  25 preg_match_all($re, $cssFile, $matches, PREG_SET_ORDER);
  26
  27 foreach ($matches as $match) {
  28     $rawString = $match[0];
  29     $key = $match[1];
  30     if (!array_key_exists($key, $GLOBALS)) {
  31         $msg = sprintf("The key '%s' was not found in the list of global variables", $key);
  32         error_log($msg);
  33         continue;
  34     }
  35
  36     if ($GLOBALS["{$key}"] === '__default__') {
  37         $cssFile = str_replace($rawString, '', $cssFile);
  38         continue;
  39     }
  40
  41     if (in_array($key, $variables)) {
  42         // This is a CSS variable, not a $GLOBAL value replacement
  43         $globalVal = $GLOBALS["{$key}"];
  44         $attribString = "{$key}: {$globalVal} !important;";
  45         $cssFile = str_replace($rawString, $attribString, $cssFile);
  46     } else {
  47         // $GLOBAL value replacement
  48         $cssFile = str_replace($rawString, $GLOBALS["{$key}"], $cssFile);
  49     }
  50 }
  51
  52 header('Content-Type: text/css');
  53 //set headers to NOT cache a page
  54 header("Cache-Control: no-cache, must-revalidate"); //HTTP 1.1
  55 header("Pragma: no-cache"); //HTTP 1.0
  56 header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past
  57 echo $cssFile;