80055bcec2
git-svn-id: https://develop.svn.wordpress.org/trunk@15601 602fd350-edb4-49c9-b593-d223f7449a82
148 lines
3.7 KiB
PHP
148 lines
3.7 KiB
PHP
<?php
|
|
/**
|
|
* BackPress script procedural API.
|
|
*
|
|
* @package BackPress
|
|
* @since r16
|
|
*/
|
|
|
|
/**
|
|
* Prints script tags in document head.
|
|
*
|
|
* Called by admin-header.php and by wp_head hook. Since it is called by wp_head
|
|
* on every page load, the function does not instantiate the WP_Scripts object
|
|
* unless script names are explicitly passed. Does make use of already
|
|
* instantiated $wp_scripts if present. Use provided wp_print_scripts hook to
|
|
* register/enqueue new scripts.
|
|
*
|
|
* @since r16
|
|
* @see WP_Dependencies::print_scripts()
|
|
*/
|
|
function wp_print_scripts( $handles = false ) {
|
|
do_action( 'wp_print_scripts' );
|
|
if ( '' === $handles ) // for wp_head
|
|
$handles = false;
|
|
|
|
global $wp_scripts;
|
|
if ( !is_a($wp_scripts, 'WP_Scripts') ) {
|
|
if ( !$handles )
|
|
return array(); // No need to instantiate if nothing's there.
|
|
else
|
|
$wp_scripts = new WP_Scripts();
|
|
}
|
|
|
|
return $wp_scripts->do_items( $handles );
|
|
}
|
|
|
|
/**
|
|
* Register new JavaScript file.
|
|
*
|
|
* @since r16
|
|
* @param string $handle Script name
|
|
* @param string $src Script url
|
|
* @param array $deps (optional) Array of script names on which this script depends
|
|
* @param string|bool $ver (optional) Script version (used for cache busting), set to NULL to disable
|
|
* @param bool $in_footer (optional) Whether to enqueue the script before </head> or before </body>
|
|
* @return null
|
|
*/
|
|
function wp_register_script( $handle, $src, $deps = array(), $ver = false, $in_footer = false ) {
|
|
global $wp_scripts;
|
|
if ( !is_a($wp_scripts, 'WP_Scripts') )
|
|
$wp_scripts = new WP_Scripts();
|
|
|
|
$wp_scripts->add( $handle, $src, $deps, $ver );
|
|
if ( $in_footer )
|
|
$wp_scripts->add_data( $handle, 'group', 1 );
|
|
}
|
|
|
|
/**
|
|
* Localizes a script.
|
|
*
|
|
* Localizes only if script has already been added.
|
|
*
|
|
* @since r16
|
|
* @see WP_Scripts::localize()
|
|
*/
|
|
function wp_localize_script( $handle, $object_name, $l10n ) {
|
|
global $wp_scripts;
|
|
if ( !is_a($wp_scripts, 'WP_Scripts') )
|
|
return false;
|
|
|
|
return $wp_scripts->localize( $handle, $object_name, $l10n );
|
|
}
|
|
|
|
/**
|
|
* Remove a registered script.
|
|
*
|
|
* @since r16
|
|
* @see WP_Scripts::remove() For parameter information.
|
|
*/
|
|
function wp_deregister_script( $handle ) {
|
|
global $wp_scripts;
|
|
if ( !is_a($wp_scripts, 'WP_Scripts') )
|
|
$wp_scripts = new WP_Scripts();
|
|
|
|
$wp_scripts->remove( $handle );
|
|
}
|
|
|
|
/**
|
|
* Enqueues script.
|
|
*
|
|
* Registers the script if src provided (does NOT overwrite) and enqueues.
|
|
*
|
|
* @since r16
|
|
* @see wp_register_script() For parameter information.
|
|
*/
|
|
function wp_enqueue_script( $handle, $src = false, $deps = array(), $ver = false, $in_footer = false ) {
|
|
global $wp_scripts;
|
|
if ( !is_a($wp_scripts, 'WP_Scripts') )
|
|
$wp_scripts = new WP_Scripts();
|
|
|
|
if ( $src ) {
|
|
$_handle = explode('?', $handle);
|
|
$wp_scripts->add( $_handle[0], $src, $deps, $ver );
|
|
if ( $in_footer )
|
|
$wp_scripts->add_data( $_handle[0], 'group', 1 );
|
|
}
|
|
$wp_scripts->enqueue( $handle );
|
|
}
|
|
|
|
/**
|
|
* Remove an enqueued script.
|
|
*
|
|
* @since WP 3.1
|
|
* @see WP_Scripts::dequeue() For parameter information.
|
|
*/
|
|
function wp_dequeue_script( $handle ) {
|
|
global $wp_scripts;
|
|
if ( !is_a($wp_scripts, 'WP_Scripts') )
|
|
$wp_scripts = new WP_Scripts();
|
|
|
|
$wp_scripts->dequeue( $handle );
|
|
}
|
|
|
|
/**
|
|
* Check whether script has been added to WordPress Scripts.
|
|
*
|
|
* The values for list defaults to 'queue', which is the same as enqueue for
|
|
* scripts.
|
|
*
|
|
* @since WP unknown; BP unknown
|
|
*
|
|
* @param string $handle Handle used to add script.
|
|
* @param string $list Optional, defaults to 'queue'. Others values are 'registered', 'queue', 'done', 'to_do'
|
|
* @return bool
|
|
*/
|
|
function wp_script_is( $handle, $list = 'queue' ) {
|
|
global $wp_scripts;
|
|
if ( !is_a($wp_scripts, 'WP_Scripts') )
|
|
$wp_scripts = new WP_Scripts();
|
|
|
|
$query = $wp_scripts->query( $handle, $list );
|
|
|
|
if ( is_object( $query ) )
|
|
return true;
|
|
|
|
return $query;
|
|
}
|