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- <?php
-
- class WP_Scripts extends WP_Dependencies {
- var $base_url; // Full URL with trailing slash
- var $default_version;
-
- function __construct() {
- do_action_ref_array( 'wp_default_scripts', array(&$this) );
- }
-
- /**
- * Prints scripts
- *
- * Prints the scripts passed to it or the print queue. Also prints all necessary dependencies.
- *
- * @param mixed handles (optional) Scripts to be printed. (void) prints queue, (string) prints that script, (array of strings) prints those scripts.
- * @return array Scripts that have been printed
- */
- function print_scripts( $handles = false ) {
- return $this->do_items( $handles );
- }
-
- function print_scripts_l10n( $handle ) {
- if ( empty($this->registered[$handle]->extra['l10n']) || empty($this->registered[$handle]->extra['l10n'][0]) || !is_array($this->registered[$handle]->extra['l10n'][1]) )
- return false;
-
- $object_name = $this->registered[$handle]->extra['l10n'][0];
-
- echo "<script type='text/javascript'>\n";
- echo "/* <![CDATA[ */\n";
- echo "\t$object_name = {\n";
- $eol = '';
- foreach ( $this->registered[$handle]->extra['l10n'][1] as $var => $val ) {
- echo "$eol\t\t$var: \"" . js_escape( $val ) . '"';
- $eol = ",\n";
- }
- echo "\n\t}\n";
- echo "/* ]]> */\n";
- echo "</script>\n";
-
- return true;
- }
-
- function do_item( $handle ) {
- if ( !parent::do_item($handle) )
- return false;
-
- $ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
- if ( isset($this->args[$handle]) )
- $ver .= '&' . $this->args[$handle];
-
- $src = $this->registered[$handle]->src;
- if ( !preg_match('|^https?://|', $src) && !preg_match('|^' . preg_quote(WP_CONTENT_URL) . '|', $src) ) {
- $src = $this->base_url . $src;
- }
-
- $src = add_query_arg('ver', $ver, $src);
- $src = clean_url(apply_filters( 'script_loader_src', $src, $handle ));
-
- $this->print_scripts_l10n( $handle );
-
- echo "<script type='text/javascript' src='$src'></script>\n";
-
- return true;
- }
-
- /**
- * Localizes a script
- *
- * Localizes only if script has already been added
- *
- * @param string handle Script name
- * @param string object_name Name of JS object to hold l10n info
- * @param array l10n Array of JS var name => localized string
- * @return bool Successful localization
- */
- function localize( $handle, $object_name, $l10n ) {
- if ( !$object_name || !$l10n )
- return false;
- return $this->add_data( $handle, 'l10n', array( $object_name, $l10n ) );
- }
-
- function all_deps( $handles, $recursion = false ) {
- $r = parent::all_deps( $handles, $recursion );
- if ( !$recursion )
- $this->to_do = apply_filters( 'print_scripts_array', $this->to_do );
- return $r;
- }
- }
-