/**
* Renders the widget form field and returns markup as string
*
* @param AbstractWidget $widget The widget to render the field for
* @param array $instance The current widget instance
* @param string $fieldName The name of the field to render
*
* @return string The field markup
*/
public static function renderField(AbstractWidget $widget, array $instance, $fieldName)
{
$field = $widget->getField($fieldName);
$field['value'] = $instance[$fieldName];
try {
$field = self::validateField($field, $widget, $instance);
} catch (InvalidArgumentException $e) {
add_notice($e->getMessage(), 'error');
return '';
}
extract($field);
/**
* Variables defined by extract( $field )
*
* @var $name string
* @var $type string
* @var $wp_id string
* @var $wp_name string
* @var $value mixed
* @var $options array
* @var $caption string
*/
$placeholder = (isset($default_placeholder) and $default_placeholder === true and $widget->getShortcode() instanceof AbstractShortcode) ? 'placeholder="' . $widget->getShortcode()->getDefaultAttribute($name) . '"' : null;
ob_start();
/** Start of Field Element */
echo '<p>';
/** Field Label */
if (isset($caption) and !empty($caption) and $type != 'checkbox') {
echo '<label for="' . $wp_id . '">' . $caption . '</label>';
}
switch ($type) {
/** Field Types: text, date, time, 'email', 'url' */
case 'text':
case 'date':
case 'time':
case 'email':
case 'url':
echo '<input class="widefat" type="' . $type . '" id="' . $wp_id . '" name="' . $wp_name . '" value="' . $value . '" ' . $placeholder . ' />';
break;
/** Field Type: textarea */
/** Field Type: textarea */
case 'textarea':
echo '<textarea class="widefat" id="' . $wp_id . '" name="' . $wp_name . '" ' . $placeholder . '>' . $value . '</textarea>';
break;
/** Field Types: select, select-multi */
/** Field Types: select, select-multi */
case 'select':
case 'select-multi':
$is_multi = $type == 'select-multi';
$multi = $is_multi ? 'multiple="multiple"' : null;
$size = $is_multi ? 5 : 1;
$wp_name = $is_multi ? $wp_name . '[]' : $wp_name;
$style = $is_multi ? 'style="height: 50px;"' : null;
echo '<select class="widefat" id="' . $wp_id . '" name="' . $wp_name . '" size="' . $size . '" ' . $style . ' ' . $multi . '>';
foreach ($options as $key => $caption) {
$selected = 'selected="selected"';
if ($is_multi) {
$selected = in_array($key, (array) $value) ? $selected : null;
} else {
$selected = $key == $value ? $selected : null;
}
echo '<option value="' . $key . '" ' . $selected . '>' . $caption . '</option>';
}
echo '</select>';
break;
/** Field Type: checkbox (single) */
/** Field Type: checkbox (single) */
case 'checkbox':
$checked = $value !== null ? 'checked="checked"' : null;
echo '<label for="' . $wp_id . '">';
echo '<input type="checkbox" name="' . $wp_name . '" id="' . $wp_id . '" ' . $checked . ' />';
echo $caption;
echo '</label>';
break;
}
if (isset($description) and is_string($description)) {
echo '<span class="op-widget-description">' . $description . '</span>';
}
echo '</p>';
$output = ob_get_contents();
ob_clean();
return $output;
}