public function generate()
{
$count = 0;
$languages = $this->getLanguages();
$return = '';
$taken = array();
$this->import('Database');
// Only show the root page languages (see #7112, #7667)
$objRootLangs = $this->Database->query("SELECT REPLACE(language, '-', '_') AS language FROM tl_page WHERE type='root'");
$languages = array_intersect_key($languages, array_flip($objRootLangs->fetchEach('language')));
// Make sure there is at least an empty array
if (!is_array($this->varValue) || empty($this->varValue)) {
if (count($languages) > 0) {
$this->varValue = array(key($languages) => array());
// see #4188
} else {
return '<p class="tl_info">' . $GLOBALS['TL_LANG']['MSC']['metaNoLanguages'] . '</p>';
}
}
// Add the existing entries
if (!empty($this->varValue)) {
$return = '<ul id="ctrl_' . $this->strId . '" class="tl_metawizard">';
// Add the input fields
foreach ($this->varValue as $lang => $meta) {
$return .= '
<li class="' . ($count % 2 == 0 ? 'even' : 'odd') . '" data-language="' . $lang . '">';
$return .= '<span class="lang">' . (isset($languages[$lang]) ? $languages[$lang] : $lang) . ' ' . \Image::getHtml('delete.svg', '', 'class="tl_metawizard_img" onclick="Backend.metaDelete(this)"') . '</span>';
// Take the fields from the DCA (see #4327)
foreach ($this->metaFields as $field => $attributes) {
$return .= '<label for="ctrl_' . $field . '_' . $count . '">' . $GLOBALS['TL_LANG']['MSC']['aw_' . $field] . '</label> <input type="text" name="' . $this->strId . '[' . $lang . '][' . $field . ']" id="ctrl_' . $field . '_' . $count . '" class="tl_text" value="' . \StringUtil::specialchars($meta[$field]) . '"' . (!empty($attributes) ? ' ' . $attributes : '') . '><br>';
}
$return .= '
</li>';
$taken[] = $lang;
++$count;
}
$return .= '
</ul>';
}
$options = array('<option value="">-</option>');
// Add the remaining languages
foreach ($languages as $k => $v) {
$options[] = '<option value="' . $k . '"' . (in_array($k, $taken) ? ' disabled' : '') . '>' . $v . '</option>';
}
$return .= '
<div class="tl_metawizard_new">
<select name="' . $this->strId . '[language]" class="tl_select tl_chosen" onchange="Backend.toggleAddLanguageButton(this)">' . implode('', $options) . '</select> <input type="button" class="tl_submit" disabled value="' . \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['aw_new']) . '" onclick="Backend.metaWizard(this,\'ctrl_' . $this->strId . '\')">
</div>';
return $return;
}