|
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 */ |
|
19 class WP_Scripts extends WP_Dependencies { |
|
20 var $base_url; // Full URL with trailing slash |
|
21 var $content_url; |
|
22 var $default_version; |
|
23 var $in_footer = array(); |
|
24 var $concat = ''; |
|
25 var $concat_version = ''; |
|
26 var $do_concat = false; |
|
27 var $print_html = ''; |
|
28 var $print_code = ''; |
|
29 var $ext_handles = ''; |
|
30 var $ext_version = ''; |
|
31 var $default_dirs; |
|
32 |
|
33 function __construct() { |
|
34 $this->init(); |
|
35 add_action( 'init', array( $this, 'init' ), 0 ); |
|
36 } |
|
37 |
|
38 function init() { |
|
39 do_action_ref_array( 'wp_default_scripts', array(&$this) ); |
|
40 } |
|
41 |
|
42 /** |
|
43 * Prints scripts |
|
44 * |
|
45 * Prints the scripts passed to it or the print queue. Also prints all necessary dependencies. |
|
46 * |
|
47 * @param mixed $handles (optional) Scripts to be printed. (void) prints queue, (string) prints that script, (array of strings) prints those scripts. |
|
48 * @param int $group (optional) If scripts were queued in groups prints this group number. |
|
49 * @return array Scripts that have been printed |
|
50 */ |
|
51 function print_scripts( $handles = false, $group = false ) { |
|
52 return $this->do_items( $handles, $group ); |
|
53 } |
|
54 |
|
55 // Deprecated since 3.3, see print_extra_script() |
|
56 function print_scripts_l10n( $handle, $echo = true ) { |
|
57 _deprecated_function( __FUNCTION__, '3.3', 'print_extra_script()' ); |
|
58 return $this->print_extra_script( $handle, $echo ); |
|
59 } |
|
60 |
|
61 function print_extra_script( $handle, $echo = true ) { |
|
62 if ( !$output = $this->get_data( $handle, 'data' ) ) |
|
63 return; |
|
64 |
|
65 if ( !$echo ) |
|
66 return $output; |
|
67 |
|
68 echo "<script type='text/javascript'>\n"; // CDATA and type='text/javascript' is not needed for HTML 5 |
|
69 echo "/* <![CDATA[ */\n"; |
|
70 echo "$output\n"; |
|
71 echo "/* ]]> */\n"; |
|
72 echo "</script>\n"; |
|
73 |
|
74 return true; |
|
75 } |
|
76 |
|
77 function do_item( $handle, $group = false ) { |
|
78 if ( !parent::do_item($handle) ) |
|
79 return false; |
|
80 |
|
81 if ( 0 === $group && $this->groups[$handle] > 0 ) { |
|
82 $this->in_footer[] = $handle; |
|
83 return false; |
|
84 } |
|
85 |
|
86 if ( false === $group && in_array($handle, $this->in_footer, true) ) |
|
87 $this->in_footer = array_diff( $this->in_footer, (array) $handle ); |
|
88 |
|
89 if ( null === $this->registered[$handle]->ver ) |
|
90 $ver = ''; |
|
91 else |
|
92 $ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version; |
|
93 |
|
94 if ( isset($this->args[$handle]) ) |
|
95 $ver = $ver ? $ver . '&' . $this->args[$handle] : $this->args[$handle]; |
|
96 |
|
97 $src = $this->registered[$handle]->src; |
|
98 |
|
99 if ( $this->do_concat ) { |
|
100 $srce = apply_filters( 'script_loader_src', $src, $handle ); |
|
101 if ( $this->in_default_dir($srce) ) { |
|
102 $this->print_code .= $this->print_extra_script( $handle, false ); |
|
103 $this->concat .= "$handle,"; |
|
104 $this->concat_version .= "$handle$ver"; |
|
105 return true; |
|
106 } else { |
|
107 $this->ext_handles .= "$handle,"; |
|
108 $this->ext_version .= "$handle$ver"; |
|
109 } |
|
110 } |
|
111 |
|
112 $this->print_extra_script( $handle ); |
|
113 if ( !preg_match('|^(https?:)?//|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) { |
|
114 $src = $this->base_url . $src; |
|
115 } |
|
116 |
|
117 if ( !empty($ver) ) |
|
118 $src = add_query_arg('ver', $ver, $src); |
|
119 |
|
120 $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) ); |
|
121 |
|
122 if ( ! $src ) |
|
123 return true; |
|
124 |
|
125 if ( $this->do_concat ) |
|
126 $this->print_html .= "<script type='text/javascript' src='$src'></script>\n"; |
|
127 else |
|
128 echo "<script type='text/javascript' src='$src'></script>\n"; |
|
129 |
|
130 return true; |
|
131 } |
|
132 |
|
133 /** |
|
134 * Localizes a script |
|
135 * |
|
136 * Localizes only if the script has already been added |
|
137 */ |
|
138 function localize( $handle, $object_name, $l10n ) { |
|
139 if ( $handle === 'jquery' ) |
|
140 $handle = 'jquery-core'; |
|
141 |
|
142 if ( is_array($l10n) && isset($l10n['l10n_print_after']) ) { // back compat, preserve the code in 'l10n_print_after' if present |
|
143 $after = $l10n['l10n_print_after']; |
|
144 unset($l10n['l10n_print_after']); |
|
145 } |
|
146 |
|
147 foreach ( (array) $l10n as $key => $value ) { |
|
148 if ( !is_scalar($value) ) |
|
149 continue; |
|
150 |
|
151 $l10n[$key] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8'); |
|
152 } |
|
153 |
|
154 $script = "var $object_name = " . json_encode($l10n) . ';'; |
|
155 |
|
156 if ( !empty($after) ) |
|
157 $script .= "\n$after;"; |
|
158 |
|
159 $data = $this->get_data( $handle, 'data' ); |
|
160 |
|
161 if ( !empty( $data ) ) |
|
162 $script = "$data\n$script"; |
|
163 |
|
164 return $this->add_data( $handle, 'data', $script ); |
|
165 } |
|
166 |
|
167 function set_group( $handle, $recursion, $group = false ) { |
|
168 |
|
169 if ( $this->registered[$handle]->args === 1 ) |
|
170 $grp = 1; |
|
171 else |
|
172 $grp = (int) $this->get_data( $handle, 'group' ); |
|
173 |
|
174 if ( false !== $group && $grp > $group ) |
|
175 $grp = $group; |
|
176 |
|
177 return parent::set_group( $handle, $recursion, $grp ); |
|
178 } |
|
179 |
|
180 function all_deps( $handles, $recursion = false, $group = false ) { |
|
181 $r = parent::all_deps( $handles, $recursion ); |
|
182 if ( !$recursion ) |
|
183 $this->to_do = apply_filters( 'print_scripts_array', $this->to_do ); |
|
184 return $r; |
|
185 } |
|
186 |
|
187 function do_head_items() { |
|
188 $this->do_items(false, 0); |
|
189 return $this->done; |
|
190 } |
|
191 |
|
192 function do_footer_items() { |
|
193 $this->do_items(false, 1); |
|
194 return $this->done; |
|
195 } |
|
196 |
|
197 function in_default_dir($src) { |
|
198 if ( ! $this->default_dirs ) |
|
199 return true; |
|
200 |
|
201 if ( 0 === strpos( $src, '/wp-includes/js/l10n' ) ) |
|
202 return false; |
|
203 |
|
204 foreach ( (array) $this->default_dirs as $test ) { |
|
205 if ( 0 === strpos($src, $test) ) |
|
206 return true; |
|
207 } |
|
208 return false; |
|
209 } |
|
210 |
|
211 function reset() { |
|
212 $this->do_concat = false; |
|
213 $this->print_code = ''; |
|
214 $this->concat = ''; |
|
215 $this->concat_version = ''; |
|
216 $this->print_html = ''; |
|
217 $this->ext_version = ''; |
|
218 $this->ext_handles = ''; |
|
219 } |
|
220 } |