plugins/default_colors/default_colors.php

   1 <?php
   2
   3 /**
   4  * Plugin default_colors.
   5  *
   6  * Allow users to easily overrides colors of the default theme.
   7  */
   8
   9 use Shaarli\Plugin\PluginManager;
  10
  11 const DEFAULT_COLORS_PLACEHOLDERS = [
  12     'DEFAULT_COLORS_MAIN',
  13     'DEFAULT_COLORS_BACKGROUND',
  14     'DEFAULT_COLORS_DARK_MAIN',
  15 ];
  16
  17 /**
  18  * When plugin parameters are saved
  19  */
  20 function hook_default_colors_save_plugin_parameters($data)
  21 {
  22     $file = PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css';
  23     $template = file_get_contents(PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css.template');
  24     $content = '';
  25     foreach (DEFAULT_COLORS_PLACEHOLDERS as $rule) {
  26         $content .= ! empty($data[$rule])
  27             ? default_colors_format_css_rule($data, $rule) .';'. PHP_EOL
  28             : '';
  29     }
  30     file_put_contents($file, sprintf($template, $content));
  31     return $data;
  32 }
  33
  34 /**
  35  * When linklist is displayed, include isso CSS file.
  36  *
  37  * @param array $data - header data.
  38  *
  39  * @return mixed - header data with isso CSS file added.
  40  */
  41 function hook_default_colors_render_includes($data)
  42 {
  43     $file = PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css';
  44     if (file_exists($file )) {
  45         $data['css_files'][] = $file ;
  46     }
  47
  48     return $data;
  49 }
  50
  51 /**
  52  * This function is never called, but contains translation calls for GNU gettext extraction.
  53  */
  54 function default_colors_translation()
  55 {
  56     // meta
  57     t('Override default theme colors. Use any CSS valid color.');
  58     t('Main color (navbar green)');
  59     t('Background color (light grey)');
  60     t('Dark main color (e.g. visited links)');
  61 }
  62
  63 function default_colors_format_css_rule($data, $parameter)
  64 {
  65     $key = str_replace('DEFAULT_COLORS_', '', $parameter);
  66     $key = str_replace('_', '-', strtolower($key)) .'-color';
  67     return '  --'. $key .': '. $data[$parameter];
  68 }