theme/styles_debug.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * This file is responsible for serving of individual style sheets in designer mode.
  20  *
  21  * @package   moodlecore
  22  * @copyright 2009 Petr Skoda (skodak)  {@link http://skodak.org}
  23  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26
  27 define('ABORT_AFTER_CONFIG', true);
  28 require('../config.php'); // this stops immediately at the beginning of lib/setup.php
  29 require_once($CFG->dirroot.'/lib/csslib.php');
  30
  31 $themename = min_optional_param('theme', 'standard', 'SAFEDIR');
  32 $type      = min_optional_param('type', '', 'SAFEDIR');
  33 $subtype   = min_optional_param('subtype', '', 'SAFEDIR');
  34 $sheet     = min_optional_param('sheet', '', 'SAFEDIR');
  35
  36 if (!defined('THEME_DESIGNER_CACHE_LIFETIME')) {
  37     define('THEME_DESIGNER_CACHE_LIFETIME', 4); // this can be also set in config.php
  38 }
  39
  40 if (file_exists("$CFG->dirroot/theme/$themename/config.php")) {
  41     // exists
  42 } else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$themename/config.php")) {
  43     // exists
  44 } else {
  45     css_send_css_not_found();
  46 }
  47
  48 // no gzip compression when debugging
  49
  50 $candidatesheet = "$CFG->cachedir/theme/$themename/designer.ser";
  51
  52 if (!file_exists($candidatesheet)) {
  53     css_send_css_not_found();
  54 }
  55
  56 if (!$css = file_get_contents($candidatesheet)) {
  57     css_send_css_not_found();
  58 }
  59
  60 $css = unserialize($css);
  61
  62 if ($type === 'editor') {
  63     if (isset($css['editor'])) {
  64         css_send_uncached_css($css['editor']);
  65     }
  66 } else if ($type === 'ie') {
  67     // IE is a sloppy browser with weird limits, sorry
  68     if ($subtype === 'plugins') {
  69         css_send_uncached_css($css['plugins']);
  70
  71     } else if ($subtype === 'parents') {
  72         $sendcss = array();
  73         if (empty($sheet)) {
  74             // If not specific parent has been specified as $sheet then build a
  75             // collection of @import statements into this one sheet.
  76             // We shouldn't ever actually get here, but none the less we'll deal
  77             // with it incase we ever do.
  78             // @import statements arn't processed until after concurrent CSS requests
  79             // making them slightly evil.
  80             foreach (array_keys($css['parents']) as $sheet) {
  81                 $sendcss[] = "@import url(styles_debug.php?theme=$themename&type=$type&subtype=$subtype&sheet=$sheet);";
  82             }
  83         } else {
  84             // Build up the CSS for that parent so we can serve it as one file.
  85             foreach ($css[$subtype][$sheet] as $parent=>$css) {
  86                 $sendcss[] = $css;
  87             }
  88         }
  89         css_send_uncached_css($sendcss);
  90     } else if ($subtype === 'theme') {
  91         css_send_uncached_css($css['theme']);
  92     }
  93
  94 } else if ($type === 'plugin') {
  95     if (isset($css['plugins'][$subtype])) {
  96         css_send_uncached_css($css['plugins'][$subtype]);
  97     }
  98
  99 } else if ($type === 'parent') {
 100     if (isset($css['parents'][$subtype][$sheet])) {
 101         css_send_uncached_css($css['parents'][$subtype][$sheet]);
 102     }
 103
 104 } else if ($type === 'theme') {
 105     if (isset($css['theme'][$sheet])) {
 106         css_send_uncached_css($css['theme'][$sheet]);
 107     }
 108 }
 109 css_send_css_not_found();