pluto3/inc/acf/advanced-custom-fields-pro/fields/oembed.php
2017-09-19 16:23:41 +08:00

330 lines
5.8 KiB
PHP

<?php
/*
* ACF oEmbed Field Class
*
* All the logic for this field type
*
* @class acf_field_oembed
* @extends acf_field
* @package ACF
* @subpackage Fields
*/
if( ! class_exists('acf_field_oembed') ) :
class acf_field_oembed extends acf_field {
/*
* __construct
*
* This function will setup the field type data
*
* @type function
* @date 5/03/2014
* @since 5.0.0
*
* @param n/a
* @return n/a
*/
function __construct() {
// vars
$this->name = 'oembed';
$this->label = __("oEmbed",'acf');
$this->category = 'content';
$this->defaults = array(
'width' => '',
'height' => '',
);
$this->default_values = array(
'width' => 640,
'height' => 390
);
// extra
add_action('wp_ajax_acf/fields/oembed/search', array($this, 'ajax_search'));
add_action('wp_ajax_nopriv_acf/fields/oembed/search', array($this, 'ajax_search'));
// do not delete!
parent::__construct();
}
/*
* wp_oembed_get
*
* description
*
* @type function
* @date 24/01/2014
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function wp_oembed_get( $url = '', $width = 0, $height = 0 ) {
// vars
$embed = '';
$res = array(
'width' => $width,
'height' => $height
);
// get emebed
$embed = @wp_oembed_get( $url, $res );
// try shortcode
if( !$embed ) {
// global
global $wp_embed;
// get emebed
$embed = $wp_embed->shortcode($res, $url);
}
// return
return $embed;
}
/*
* ajax_search
*
* description
*
* @type function
* @date 24/10/13
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function ajax_search() {
// options
$args = acf_parse_args( $_POST, array(
's' => '',
'nonce' => '',
'width' => 0,
'height' => 0,
));
// width and height
if( !$args['width'] ) {
$args['width'] = $this->default_values['width'];
}
if( !$args['height'] ) {
$args['height'] = $this->default_values['height'];
}
// validate
if( ! wp_verify_nonce($args['nonce'], 'acf_nonce') ) {
die();
}
// get oembed
echo $this->wp_oembed_get($args['s'], $args['width'], $args['height']);
// die
die();
}
/*
* render_field()
*
* Create the HTML interface for your field
*
* @param $field - an array holding all the field's data
*
* @type action
* @since 3.6
* @date 23/01/13
*/
function render_field( $field ) {
// default options
foreach( $this->default_values as $k => $v ) {
if( empty($field[ $k ]) ) {
$field[ $k ] = $v;
}
}
// atts
$atts = array(
'class' => 'acf-oembed',
'data-width' => $field['width'],
'data-height' => $field['height']
);
if( $field['value'] ) {
$atts['class'] .= ' has-value';
}
?>
<div <?php acf_esc_attr_e($atts) ?>>
<div class="acf-hidden">
<input type="hidden" data-name="value-input" name="<?php echo esc_attr($field['name']); ?>" value="<?php echo esc_attr($field['value']); ?>" />
</div>
<div class="title acf-soh">
<div class="title-value">
<h4 data-name="value-title"><?php echo $field['value']; ?></h4>
</div>
<div class="title-search">
<input data-name="search-input" type="text" placeholder="<?php _e("Enter URL", 'acf'); ?>" autocomplete="off" />
</div>
<a data-name="clear-button" href="#" class="acf-icon -cancel grey acf-soh-target"></a>
</div>
<div class="canvas">
<div class="canvas-loading">
<i class="acf-loading"></i>
</div>
<div class="canvas-error">
<p><strong><?php _e("Error", 'acf'); ?></strong>. <?php _e("No embed found for the given URL", 'acf'); ?></p>
</div>
<div class="canvas-media" data-name="value-embed">
<?php if( !empty( $field['value'] ) ): ?>
<?php echo $this->wp_oembed_get($field['value'], $field['width'], $field['height']); ?>
<?php endif; ?>
</div>
<i class="acf-icon -picture hide-if-value"></i>
</div>
</div>
<?php
}
/*
* render_field_settings()
*
* Create extra options for your field. This is rendered when editing a field.
* The value of $field['name'] can be used (like bellow) to save extra data to the $field
*
* @param $field - an array holding all the field's data
*
* @type action
* @since 3.6
* @date 23/01/13
*/
function render_field_settings( $field ) {
// width
acf_render_field_setting( $field, array(
'label' => __('Embed Size','acf'),
'type' => 'text',
'name' => 'width',
'prepend' => __('Width', 'acf'),
'append' => 'px',
'placeholder' => $this->default_values['width']
));
// height
acf_render_field_setting( $field, array(
'label' => __('Embed Size','acf'),
'type' => 'text',
'name' => 'height',
'prepend' => __('Height', 'acf'),
'append' => 'px',
'placeholder' => $this->default_values['height'],
'wrapper' => array(
'data-append' => 'width'
)
));
}
/*
* format_value()
*
* This filter is appied to the $value after it is loaded from the db and before it is returned to the template
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value (mixed) the value which was loaded from the database
* @param $post_id (mixed) the $post_id from which the value was loaded
* @param $field (array) the field array holding all the field options
*
* @return $value (mixed) the modified value
*/
function format_value( $value, $post_id, $field ) {
// bail early if no value
if( empty($value) ) {
return $value;
}
// get oembed
$value = $this->wp_oembed_get($value, $field['width'], $field['height']);
// return
return $value;
}
}
// initialize
acf_register_field_type( new acf_field_oembed() );
endif; // class_exists check
?>