class.ilAdvancedMDFieldDefinitionSelectMulti.php

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<?php

declare(strict_types=1);

class ilAdvancedMDFieldDefinitionSelectMulti extends ilAdvancedMDFieldDefinitionSelect
{
    protected const XML_SEPARATOR = "~|~";

    public function getSearchQueryParserValue(ilADTSearchBridge $a_adt_search): string
    {
        return (string) $a_adt_search->getADT()->getSelections()[0];
    }

    public function getType(): int
    {
        return self::TYPE_SELECT_MULTI;
    }

    protected function initADTDefinition(): ilADTDefinition
    {
        $def = ilADTFactory::getInstance()->getDefinitionInstanceByType("MultiEnum");
        $def->setNumeric(false);

        $def->setOptions($this->getOptionsInLanguageAsArray($this->language));
        return $def;
    }

    public function importCustomDefinitionFormPostValues(ilPropertyFormGUI $a_form, string $language = ''): void
    {
        $this->importNewSelectOptions(true, $a_form, $language);
    }

    public function getValueForXML(ilADT $element): string
    {
        $record = ilAdvancedMDRecord::_getInstanceByRecordId($this->getRecordID());
        if (!$record->getParentObject()) {
            return $this->implodeValuesForXML((array) $element->getSelections());
        }
        $index = 1;
        $selections = [];
        foreach ($this->options()->getOptions() as $option) {
            if (in_array($option->optionID(), (array) $element->getSelections())) {
                $selections[] = $index;
            }
            $index++;
        }
        return $this->implodeValuesForXML($selections);
    }

    protected function implodeValuesForXML(array $values): string
    {
        return self::XML_SEPARATOR .
            implode(self::XML_SEPARATOR, $values) .
            self::XML_SEPARATOR;
    }

    public function importValueFromXML(string $a_cdata): void
    {
        $values = [];
        foreach (explode(self::XML_SEPARATOR, trim($a_cdata, self::XML_SEPARATOR)) as $value) {
            $value = $this->translateLegacyImportValueFromXML($value);
            $values[] = $value;
        }
        $this->getADT()->setSelections($values);
    }

    public function prepareElementForEditor(ilADTFormBridge $a_bridge): void
    {
        assert($a_bridge instanceof ilADTMultiEnumFormBridge);

        $a_bridge->setAutoSort(false);
    }
}