/**
* Fügt dieses Objekt einem anderen HTML-Objekt als innerHtml hinzu
* @param Html $element
* @return $this
*/
public function addTo($element)
{
$element->text($this);
return $this;
}
/**
* Fügt dem Control ein HTML-Literal oder -Objekt hinzu
* @param string|HtmlOutputInterface $html
* @return $this
*/
public function text($html)
{
$this->innerHtml->text($html);
return $this;
}
/**
* @inheritdoc
*/
public function toHtml()
{
$select = Html::create('select')->css('lookup')->css('form-control')->addCssClasses($this->cssClasses)->attr('name', $this->name)->attr('id', $this->id);
if ($this->groupfield !== null) {
$select->css('grouped');
}
if ($this->multiple) {
$select->attr('multiple', 'multiple');
$select->attr('name', $this->name . '[]');
}
if ($this->readOnly) {
$select->attr('disabled', 'disabled');
}
// Falls null-Wert angezeigt werden soll
if ($this->showNullValue) {
Html::create('option')->attr('value', $this->nullValue)->text($this->nullText)->addTo($select);
}
$groupValue = null;
$optGroup = null;
// Objekte laden, damit die Formatierungen angewendet werden
$items = $this->lookupentity->filter($this->filter, 3000);
if (!$this->parent instanceof SubmitDataControl && count($items) > 50) {
$this->setUseChosen(true);
}
foreach ($items as $curItem) {
// Gruppenkopf
if ($this->groupfield != null && $groupValue !== $this->getEntityText($curItem, $this->groupfield)) {
$optGroup = new Html('optgroup');
$optGroup->attr('label', $this->getEntityText($curItem, $this->groupfield))->addTo($select);
$groupValue = $this->getEntityText($curItem, $this->groupfield);
}
$text = $this->getEntityText($curItem, $this->textfield);
if ($this->textfield2 !== null) {
$text .= ', ' . $this->getEntityText($curItem, $this->textfield2);
}
$option = new Html('option');
$option->attr('value', $curItem->val($this->valuefield))->text($text);
if ($curItem->val($this->valuefield) == $this->selectedValue) {
$option->attr('selected', 'selected');
}
if ($optGroup !== null) {
$optGroup->text($option);
} else {
$select->text($option);
}
}
return $select->render();
}
