/**
* Helper function for generating the CSS rules.
*
* @return string
* String with the CSS rules.
*/
public static function generateLanguagesCssRules()
{
$output = '';
$geshi_library = libraries_load('geshi');
if ($geshi_library['loaded']) {
$languages = GeshiFilter::getAvailableLanguages();
foreach ($languages as $langcode => $language_full_name) {
// Create GeSHi object.
$geshi = GeshiFilterProcess::geshiFactory('', $langcode);
GeshiFilterProcess::overrideGeshiDefaults($geshi, $langcode);
// Add CSS rules for current language.
$output .= $geshi->get_stylesheet(FALSE) . "\n";
// Release GeSHi object.
unset($geshi);
}
} else {
drupal_set_message(t('Error while generating CSS rules: could not load GeSHi library.'), 'error');
}
return $output;
}
/**
* Helper function for generating a GeSHi object.
*
* @param string $source_code
* The source code to process.
* @param string $language
* The language to generate a GeSHi object for.
*
* @return \GeSHi
* Return a Geshi class object.
*/
public static function geshiFactory($source_code, $language)
{
$available_languages = GeshiFilter::getAvailableLanguages();
$geshi = new \GeSHi($source_code, $language);
$geshi->set_language_path($available_languages[$language]['language_path']);
return $geshi;
}
/**
* Function for generating a form table for per language settings.
*
* @param string $view
* - enabled Only show the enabled languages.
* - disabled Only show the disabled languages.
* - all Show all languages.
* @param bool $add_checkbox
* When add(TRUE) or not(FALSE) a checkbox to enable languages.
* @param bool $add_tag_option
* When add(TRUE) or not(FALSE) a textbox to set tags.
*
* @return array
* Return elements to a table with languages.
*/
protected function perLanguageSettings($view, $add_checkbox, $add_tag_option)
{
$config = $this->config('geshifilter.settings');
$form = array();
$header = array(t('Language'), t('GeSHi language code'));
if ($add_tag_option) {
$header[] = t('Tag/language attribute value');
}
$form['language'] = array('#type' => 'table', '#header' => $header, '#empty' => t('Nome language is available.'));
// Table body.
$languages = GeshiFilter::getAvailableLanguages();
foreach ($languages as $language => $language_data) {
$enabled = $config->get("language.{$language}.enabled", FALSE);
// Skip items to hide.
if ($view == 'enabled' && !$enabled || $view == 'disabled' && $enabled) {
continue;
}
// Build language row.
$form['language'][$language] = array();
// Add enable/disable checkbox.
if ($add_checkbox) {
$form['language'][$language]['enabled'] = array('#type' => 'checkbox', '#default_value' => $enabled, '#title' => $language_data['fullname']);
} else {
$form['language'][$language]['fullname'] = array('#type' => 'markup', '#markup' => $language_data['fullname']);
}
// Language code.
$form['language'][$language]['name'] = array('#type' => 'markup', '#markup' => $language);
// Add a textfield for tags.
if ($add_tag_option) {
$form['language'][$language]['tags'] = array('#type' => 'textfield', '#default_value' => $config->get("language.{$language}.tags", ''), '#size' => 20);
}
}
return $form;
}
