theme/nonzero/lib.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 contains the settings for the Nonzero theme.
  20  *
  21  * Currently you can set the following settings:
  22  *    - Region pre width
  23  *    - Region post width
  24  *    - Some custom CSS
  25  *
  26  * @package  moodlecore
  27  * @copyright 2010 Dietmar Wagner
  28  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  29  */
  30
  31 function nonzero_process_css($css, $theme) {
  32
  33
  34     // Set the region-pre and region-post widths
  35     if (!empty($theme->settings->regionprewidth) && !empty($theme->settings->regionpostwidth)) {
  36         $regionprewidth = $theme->settings->regionprewidth;
  37         $regionpostwidth = $theme->settings->regionpostwidth;
  38     } else {
  39         $regionprewidth = null;
  40         $regionpostwidth = null;
  41     }
  42     $css = nonzero_set_regionwidths($css, $regionprewidth, $regionpostwidth);
  43
  44
  45     // Set the custom CSS
  46     if (!empty($theme->settings->customcss)) {
  47         $customcss = $theme->settings->customcss;
  48     } else {
  49         $customcss = null;
  50     }
  51     $css = nonzero_set_customcss($css, $customcss);
  52
  53     // Return the CSS
  54     return $css;
  55 }
  56
  57 /**
  58  * Sets the region width variable in CSS
  59  *
  60  * @param string $css
  61  * @param mixed $regionwidth
  62  * @return string
  63  */
  64
  65 function nonzero_set_regionwidths($css, $regionprewidth, $regionpostwidth) {
  66     $tag1 = '[[setting:regionprewidth]]';
  67     $tag2 = '[[setting:regionpostwidth]]';
  68     $tag3 = '[[setting:regionsumwidth]]';
  69     $tag4 = '[[setting:regiondoublepresumwidth]]';
  70     $replacement1 = $regionprewidth;
  71     $replacement2 = $regionpostwidth;
  72     if (is_null($replacement1) or is_null($replacement2)) {
  73         $replacement1 = 200;
  74         $replacement2 = 200;
  75     }
  76     $css = str_replace($tag1, $replacement1.'px', $css);
  77     $css = str_replace($tag2, $replacement2.'px', $css);
  78     $css = str_replace($tag3, ($replacement1+$replacement2).'px', $css);
  79     $css = str_replace($tag4, (2*$replacement1+$replacement2).'px', $css);
  80     return $css;
  81 }
  82
  83
  84 /**
  85  * Sets the custom css variable in CSS
  86  *
  87  * @param string $css
  88  * @param mixed $customcss
  89  * @return string
  90  */
  91
  92 function nonzero_set_customcss($css, $customcss) {
  93     $tag = '[[setting:customcss]]';
  94     $replacement = $customcss;
  95     if (is_null($replacement)) {
  96         $replacement = '';
  97     }
  98     $css = str_replace($tag, $replacement, $css);
  99     return $css;
 100 }