array(
'class' => array(),
'type' => array(),
'name' => array(),
'id' => array(),
'placeholder' => array(),
'value' => array(),
'size' => array(),
'min' => array(),
'max' => array(),
'checked' => array(),
'data-uploader_title' => array(),
'data-uploader_button_text' => array(),
),
'textarea' => array(
'class' => array(),
'name' => array(),
'id' => array(),
'placeholder' => array(),
'value' => array(),
'size' => array(),
'min' => array(),
'max' => array(),
'rows' => array(),
'cols' => array(),
),
'br' => array(),
'label' => array(
'for' => array(),
'style' => array(),
'class' => array(),
),
'select' => array(
'name' => array(),
'id' => array(),
'style' => array(),
'class' => array(),
'multiple' => array(),
),
'option' => array(
'value' => array(),
'selected' => array(),
'data-appid' => array(),
),
'img' => array(
'src' => array(),
'id' => array(),
'style' => array(),
'class' => array(),
),
'div' => array(
'class' => array(),
'id' => array(),
'style' => array(),
),
'span' => array(
'class' => array(),
),
'p' => array(
'class' => array(),
),
);
/**
* Generate HTML for displaying fields
*
* @param array $field Field data
* @param boolean $echo Whether to echo the field HTML or return it
* @return void
*/
public function display_field($data = array(), $post = false, $echo = true)
{
// Get field info
if (isset($data['field'])) {
$field = $data['field'];
} else {
$field = $data;
}
// Check for prefix on option name
$option_name = '';
if (isset($data['prefix'])) {
$option_name = $data['prefix'];
}
// Get saved data
$data = '';
if ($post) {
// Get saved field data
$option_name .= $field['id'];
$option = get_post_meta($post->ID, $field['id'], true);
// Get data to display in field
if (isset($option)) {
$data = $option;
}
} else {
// Get saved option
$option_name .= $field['id'];
$option = get_option($option_name);
// Get data to display in field
if (isset($option)) {
$data = $option;
}
}
// Show default data if no option saved and default is supplied
if ($data === false && isset($field['default'])) {
$data = $field['default'];
} elseif ($data === false) {
$data = '';
}
$html = '';
switch ($field['type']) {
case 'text':
case 'url':
case 'email':
$html .= '' . "\n";
break;
case 'password':
case 'number':
case 'hidden':
$min = '';
if (isset($field['min'])) {
$min = ' min="' . esc_attr($field['min']) . '"';
}
$max = '';
if (isset($field['max'])) {
$max = ' max="' . esc_attr($field['max']) . '"';
}
$html .= '' . "\n";
break;
case 'text_secret':
$html .= '' . "\n";
break;
case 'textarea':
$html .= ' ' . "\n";
break;
case 'checkbox':
$checked = '';
if ($data && 'on' == $data) {
$checked = 'checked="checked"';
}
$html .= '' . "\n";
break;
case 'checkbox_multi':
foreach ($field['options'] as $k => $v) {
$checked = false;
if (in_array($k, $data)) {
$checked = true;
}
$html .= ' ';
}
break;
case 'radio':
foreach ($field['options'] as $k => $v) {
$checked = false;
if ($k == $data) {
$checked = true;
}
$html .= ' ';
}
break;
case 'select':
$html .= ' ';
break;
case 'select_multi':
$html .= ' ';
break;
case 'image':
$image_thumb = '';
if ($data) {
$image_thumb = wp_get_attachment_thumb_url($data);
}
$html .= ' ' . "\n";
$html .= '' . "\n";
$html .= '' . "\n";
$html .= ' ' . "\n";
break;
case 'color':
?>
' . $field['description'] . '';
break;
default:
if (!$post) {
$html .= '' . "\n";
}
break;
}
if (!$echo) {
return $html;
}
echo wp_kses($html, self::$allowed_html);
}
/**
* Validate form field
*
* @param string $data Submitted value
* @param string $type Type of field to validate
* @return string Validated value
*/
public function validate_field($data = '', $type = 'text')
{
switch ($type) {
case 'text':
$data = esc_attr($data);
break;
case 'url':
$data = esc_url($data);
break;
case 'email':
$data = is_email($data);
break;
}
return $data;
}
/**
* Add meta box to the dashboard
*
* @param string $id Unique ID for metabox
* @param string $title Display title of metabox
* @param array $post_types Post types to which this metabox applies
* @param string $context Context in which to display this metabox ('advanced' or 'side')
* @param string $priority Priority of this metabox ('default', 'low' or 'high')
* @param array $callback_args Any axtra arguments that will be passed to the display function for this metabox
* @return void
*/
public function add_meta_box($id = '', $title = '', $post_types = array(), $context = 'advanced', $priority = 'default', $callback_args = null)
{
// Get post type(s)
if (!is_array($post_types)) {
$post_types = array($post_types);
}
// Generate each metabox
foreach ($post_types as $post_type) {
add_meta_box($id, $title, array($this, 'meta_box_content'), $post_type, $context, $priority, $callback_args);
}
}
/**
* Display metabox content
*
* @param object $post Post object
* @param array $args Arguments unique to this metabox
* @return void
*/
public function meta_box_content($post, $args)
{
$fields = apply_filters($post->post_type . '_custom_fields', array(), $post->post_type);
if (!is_array($fields) || 0 == count($fields)) { return;
}
echo '
' . "\n";
foreach ($fields as $field) {
if (!isset($field['metabox'])) { continue;
}
if (!is_array($field['metabox'])) {
$field['metabox'] = array($field['metabox']);
}
if (in_array($args['id'], $field['metabox'])) {
$this->display_meta_box_field($field, $post);
}
}
echo '
' . "\n";
}
/**
* Dispay field in metabox
*
* @param array $field Field data
* @param object $post Post object
* @return void
*/
public function display_meta_box_field($post, $field = array())
{
if (!is_array($field) || 0 == count($field)) { return;
}
$field = '