/**
* Creates the HTML for the datalist element.
*
* @return string
*/
public function __toString()
{
$html = sprintf('<datalist id="%s">', get::encodedAttribute($this->getId()));
if (is::assoc_array($this->list)) {
foreach ($this->list as $value => $lbl) {
$html .= sprintf('<option label="%s" value="%s" />', get::encodedAttribute($lbl), get::encodedAttribute($value));
}
} else {
foreach ($this->list as $value) {
$html .= sprintf('<option value="%s" />', get::encodedAttribute($value));
}
}
$html .= '</datalist>';
return $html;
}
/**
* Takes an array of HTML attributes, and formats them for the HTML tag.
*
* @param array $attributes The array of attributes to format.
*
* @return string The formatted attributes as a string, prepended with a space.
*/
public static function formattedAttributes(array $attributes)
{
$attributes = array_filter($attributes);
$return = array();
foreach ($attributes as $name => $value) {
$return[] = sprintf('%s="%s"', $name, get::encodedAttribute($value));
}
if (count($return) < 1) {
return '';
}
return ' ' . implode(' ', $return);
}
/**
* Generates the HTML for the form element.
*
* @return string
*/
public function __toString()
{
$this->attributes['id'] = $this->getId();
$this->attributes['name'] = $this->getName();
$keyvalues = get::array_def($this->attributes, 'keyvalues', false, array(true, false));
$placeholder = get::array_def($this->attributes, 'placeholder', '');
$separator = get::array_def($this->attributes, 'separator', false);
$value = get::array_def($this->attributes, 'value', array());
$multiple = get::array_def($this->attributes, 'multiple', false) == 'multiple';
if ($multiple && substr($this->attributes['name'], -2) != '[]') {
$this->attributes['name'] .= '[]';
}
if (!is_array($value) && strlen(trim($value)) < 1) {
$value = array();
}
if (!is_array($value)) {
$value = array($value);
}
$html = sprintf('<select%s>', get::formattedAttributes($this->getAttributes()));
if (!$multiple && isset($placeholder) && strlen(trim($placeholder)) > 0) {
$html .= sprintf('<option value="%s" disabled%s>%s</option>', get::encodedAttribute($this->emptyValue), count($value) > 0 ? '' : ' selected', get::entities($placeholder));
if (isset($separator) && $separator !== false) {
$separator = $separator === true ? '---------------' : $separator;
$html .= sprintf('<option value="%s" disabled>%s</option>', get::encodedAttribute($this->emptyValue), get::entities($separator));
}
}
if (isset($this->list) && count($this->list) > 0) {
$stack = $this->build_stack($this->list);
while ($stack) {
$current = array_shift($stack);
if (!is_array($current)) {
$html .= $current;
continue;
}
if (is_array($current['value'])) {
if (!is_string($current['key'])) {
continue;
}
$substack = $this->build_stack($current['value']);
if ($substack) {
$html .= sprintf('<optgroup label="%s">', get::encodedAttribute($current['key']));
array_unshift($stack, '</optgroup>');
while ($substack) {
array_unshift($stack, array_pop($substack));
}
}
} else {
$v = $keyvalues || is_string($current['key']) ? (string) $current['key'] : $current['value'];
$l = $current['value'];
$selected = '';
if ($l == '-') {
$l = !isset($separator) || is_bool($separator) ? '---------------' : $separator;
$v = $this->emptyValue;
} else {
$selected = in_array($v, $value) ? ' selected="selected"' : '';
}
$html .= sprintf('<option value="%s"%s>%s</option>', get::encodedAttribute($v), $selected, get::entities($l));
}
}
}
$html .= '</select>';
if (is::existset($this->attributes, 'autofocus')) {
$html .= $this->getAutoFocusScript($this->attributes['id']);
}
return $html;
}
