DefaultThemePlugin.inc.php

<?php
 
import('lib.pkp.classes.plugins.ThemePlugin');
 
class DefaultThemePlugin extends ThemePlugin {
   public function isActive() {
      if (defined('SESSION_DISABLE_INIT')) return true;
      return parent::isActive();
   }
 
   public function init() {
 
      // Register theme options
      $this->addOption('typography', 'FieldOptions', [
         'type' => 'radio',
         'label' => __('plugins.themes.default.option.typography.label'),
         'description' => __('plugins.themes.default.option.typography.description'),
         'options' => [
            [
               'value' => 'notoSans',
               'label' => __('plugins.themes.default.option.typography.notoSans'),
            ],
            [
               'value' => 'notoSerif',
               'label' => __('plugins.themes.default.option.typography.notoSerif'),
            ],
            [
               'value' => 'notoSerif_notoSans',
               'label' => __('plugins.themes.default.option.typography.notoSerif_notoSans'),
            ],
            [
               'value' => 'notoSans_notoSerif',
               'label' => __('plugins.themes.default.option.typography.notoSans_notoSerif'),
            ],
            [
               'value' => 'lato',
               'label' => __('plugins.themes.default.option.typography.lato'),
            ],
            [
               'value' => 'lora',
               'label' => __('plugins.themes.default.option.typography.lora'),
            ],
            [
               'value' => 'lora_openSans',
               'label' => __('plugins.themes.default.option.typography.lora_openSans'),
            ],
         ],
         'default' => 'notoSans',
      ]);
      $this->addOption('useHomepageImageAsHeader', 'FieldOptions', [
         'label' => __('plugins.themes.default.option.useHomepageImageAsHeader.label'),
         'description' => __('plugins.themes.default.option.useHomepageImageAsHeader.description'),
            'options' => [
            [
               'value' => true,
               'label' => __('plugins.themes.default.option.useHomepageImageAsHeader.option')
            ],
         ],
         'default' => false,
      ]);
 
      $this->addOption('baseColour', 'FieldColor', [
         'label' => __('plugins.themes.default.option.colour.label'),
         'description' => __('plugins.themes.default.option.colour.description'),
         'default' => '#1E6292',
      ]);
 
      // Load primary stylesheet
      $this->addStyle('stylesheet', 'styles/index.less');
 
      // Store additional LESS variables to process based on options
      $additionalLessVariables = array();
 
      // Load fonts from Google Font CDN
      // To load extended latin or other character sets, see:
      // https://www.google.com/fonts#UsePlace:use/Collection:Noto+Sans
      if (Config::getVar('general', 'enable_cdn')) {
 
         if ($this->getOption('typography') === 'notoSerif') {
            $this->addStyle(
               'fontNotoSerif',
               '//fonts.googleapis.com/css?family=Noto+Serif:400,400i,700,700i',
               array('baseUrl' => '')
            );
            $additionalLessVariables[] = '@font: "Noto Serif", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;';
 
         } elseif (strpos($this->getOption('typography'), 'notoSerif') !== false) {
            $this->addStyle(
               'fontNotoSansNotoSerif',
               '//fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i|Noto+Serif:400,400i,700,700i',
               array('baseUrl' => '')
            );
 
            // Update LESS font variables
            if ($this->getOption('typography') == 'notoSerif_notoSans') {
               $additionalLessVariables[] = '@font-heading: "Noto Serif", serif;';
            } elseif ($this->getOption('typography') == 'notoSans_notoSerif') {
               $additionalLessVariables[] = '@font: "Noto Serif", serif;@font-heading: "Noto Sans", serif;';
            }
 
         } elseif ($this->getOption('typography') == 'lato') {
            $this->addStyle(
               'fontLato',
               '//fonts.googleapis.com/css?family=Lato:400,400i,900,900i',
               array('baseUrl' => '')
            );
            $additionalLessVariables[] = '@font: Lato, sans-serif;';
 
         } elseif ($this->getOption('typography') == 'lora') {
            $this->addStyle(
               'fontLora',
               '//fonts.googleapis.com/css?family=Lora:400,400i,700,700i',
               array('baseUrl' => '')
            );
            $additionalLessVariables[] = '@font: Lora, serif;';
 
         } elseif ($this->getOption('typography') == 'lora_openSans') {
            $this->addStyle(
               'fontLoraOpenSans',
               '//fonts.googleapis.com/css?family=Lora:400,400i,700,700i|Open+Sans:400,400i,700,700i',
               array('baseUrl' => '')
            );
            $additionalLessVariables[] = '@font: "Open Sans", sans-serif;@font-heading: Lora, serif;';
 
         } else {
            $this->addStyle(
               'fontNotoSans',
               '//fonts.googleapis.com/css?family=Noto+Sans:400,400italic,700,700italic',
               array('baseUrl' => '')
            );
         }
      }
 
      // Update colour based on theme option
      if ($this->getOption('baseColour') !== '#1E6292') {
         $additionalLessVariables[] = '@bg-base:' . $this->getOption('baseColour') . ';';
         if (!$this->isColourDark($this->getOption('baseColour'))) {
            $additionalLessVariables[] = '@text-bg-base:rgba(0,0,0,0.84);';
            $additionalLessVariables[] = '@bg-base-border-color:rgba(0,0,0,0.2);';
         }
      }
 
      // Pass additional LESS variables based on options
      if (!empty($additionalLessVariables)) {
         $this->modifyStyle('stylesheet', array('addLessVariables' => join($additionalLessVariables)));
      }
 
      $request = Application::get()->getRequest();
 
      // Load icon font FontAwesome - http://fontawesome.io/
      if (Config::getVar('general', 'enable_cdn')) {
         $url = 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css';
      } else {
         $url = $request->getBaseUrl() . '/lib/pkp/styles/fontawesome/fontawesome.css';
      }
      $this->addStyle(
         'fontAwesome',
         $url,
         array('baseUrl' => '')
      );
 
      // Get homepage image and use as header background if useAsHeader is true
      $context = Application::get()->getRequest()->getContext();
      if ($context && $this->getOption('useHomepageImageAsHeader')) {
 
         $publicFileManager = new PublicFileManager();
         $publicFilesDir = $request->getBaseUrl() . '/' . $publicFileManager->getContextFilesPath($context->getId());
 
         $homepageImage = $context->getLocalizedData('homepageImage');
 
         $homepageImageUrl = $publicFilesDir . '/' . $homepageImage['uploadName'];
 
         $this->addStyle(
            'homepageImage',
            '.pkp_structure_head { background: center / cover no-repeat url("' . $homepageImageUrl . '");}',
            ['inline' => true]
         );
      }
 
      // Load jQuery from a CDN or, if CDNs are disabled, from a local copy.
      $min = Config::getVar('general', 'enable_minified') ? '.min' : '';
      $request = Application::get()->getRequest();
      if (Config::getVar('general', 'enable_cdn')) {
         $jquery = '//ajax.googleapis.com/ajax/libs/jquery/' . CDN_JQUERY_VERSION . '/jquery' . $min . '.js';
         $jqueryUI = '//ajax.googleapis.com/ajax/libs/jqueryui/' . CDN_JQUERY_UI_VERSION . '/jquery-ui' . $min . '.js';
      } else {
         // Use OJS's built-in jQuery files
         $jquery = $request->getBaseUrl() . '/lib/pkp/lib/vendor/components/jquery/jquery' . $min . '.js';
         $jqueryUI = $request->getBaseUrl() . '/lib/pkp/lib/vendor/components/jqueryui/jquery-ui' . $min . '.js';
      }
      // Use an empty `baseUrl` argument to prevent the theme from looking for
      // the files within the theme directory
      $this->addScript('jQuery', $jquery, array('baseUrl' => ''));
      $this->addScript('jQueryUI', $jqueryUI, array('baseUrl' => ''));
      $this->addScript('jQueryTagIt', $request->getBaseUrl() . '/lib/pkp/js/lib/jquery/plugins/jquery.tag-it.js', array('baseUrl' => ''));
 
      // Load Bootsrap's dropdown
      $this->addScript('popper', 'js/lib/popper/popper.js');
      $this->addScript('bsUtil', 'js/lib/bootstrap/util.js');
      $this->addScript('bsDropdown', 'js/lib/bootstrap/dropdown.js');
 
      // Load custom JavaScript for this theme
      $this->addScript('default', 'js/main.js');
 
      // Add navigation menu areas for this theme
      $this->addMenuArea(array('primary', 'user'));
   }
 
   function getContextSpecificPluginSettingsFile() {
      return $this->getPluginPath() . '/settings.xml';
   }
 
   function getInstallSitePluginSettingsFile() {
      return $this->getPluginPath() . '/settings.xml';
   }
 
   function getDisplayName() {
      return __('plugins.themes.default.name');
   }
 
   function getDescription() {
      return __('plugins.themes.default.description');
   }
}