Projects : mp-wp : mp-wp_genesis

mp-wp/wp-includes/class.wp-scripts.php

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1<?php
2/**
3 * BackPress Scripts enqueue.
4 *
5 * These classes were refactored from the WordPress WP_Scripts and WordPress
6 * script enqueue API.
7 *
8 * @package BackPress
9 * @since r16
10 */
11
12/**
13 * BackPress Scripts enqueue class.
14 *
15 * @package BackPress
16 * @uses WP_Dependencies
17 * @since r16
18 */
19class WP_Scripts extends WP_Dependencies {
20 var $base_url; // Full URL with trailing slash
21 var $default_version;
22
23 function __construct() {
24 do_action_ref_array( 'wp_default_scripts', array(&$this) );
25 }
26
27 /**
28 * Prints scripts
29 *
30 * Prints the scripts passed to it or the print queue. Also prints all necessary dependencies.
31 *
32 * @param mixed handles (optional) Scripts to be printed. (void) prints queue, (string) prints that script, (array of strings) prints those scripts.
33 * @return array Scripts that have been printed
34 */
35 function print_scripts( $handles = false ) {
36 return $this->do_items( $handles );
37 }
38
39 function print_scripts_l10n( $handle ) {
40 if ( empty($this->registered[$handle]->extra['l10n']) || empty($this->registered[$handle]->extra['l10n'][0]) || !is_array($this->registered[$handle]->extra['l10n'][1]) )
41 return false;
42
43 $object_name = $this->registered[$handle]->extra['l10n'][0];
44
45 echo "<script type='text/javascript'>\n";
46 echo "/* <![CDATA[ */\n";
47 echo "\t$object_name = {\n";
48 $eol = '';
49 foreach ( $this->registered[$handle]->extra['l10n'][1] as $var => $val ) {
50 if ( 'l10n_print_after' == $var ) {
51 $after = $val;
52 continue;
53 }
54 echo "$eol\t\t$var: \"" . js_escape( $val ) . '"';
55 $eol = ",\n";
56 }
57 echo "\n\t}\n";
58 echo isset($after) ? "\t$after\n" : '';
59 echo "/* ]]> */\n";
60 echo "</script>\n";
61
62 return true;
63 }
64
65 function do_item( $handle ) {
66 if ( !parent::do_item($handle) )
67 return false;
68
69 $ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
70 if ( isset($this->args[$handle]) )
71 $ver .= '&amp;' . $this->args[$handle];
72
73 $src = $this->registered[$handle]->src;
74 if ( !preg_match('|^https?://|', $src) && !preg_match('|^' . preg_quote(WP_CONTENT_URL) . '|', $src) ) {
75 $src = $this->base_url . $src;
76 }
77
78 $src = add_query_arg('ver', $ver, $src);
79 $src = clean_url(apply_filters( 'script_loader_src', $src, $handle ));
80
81 $this->print_scripts_l10n( $handle );
82
83 echo "<script type='text/javascript' src='$src'></script>\n";
84
85 return true;
86 }
87
88 /**
89 * Localizes a script
90 *
91 * Localizes only if script has already been added
92 *
93 * @param string handle Script name
94 * @param string object_name Name of JS object to hold l10n info
95 * @param array l10n Array of JS var name => localized string
96 * @return bool Successful localization
97 */
98 function localize( $handle, $object_name, $l10n ) {
99 if ( !$object_name || !$l10n )
100 return false;
101 return $this->add_data( $handle, 'l10n', array( $object_name, $l10n ) );
102 }
103
104 function all_deps( $handles, $recursion = false ) {
105 $r = parent::all_deps( $handles, $recursion );
106 if ( !$recursion )
107 $this->to_do = apply_filters( 'print_scripts_array', $this->to_do );
108 return $r;
109 }
110}