Wordpress 3.7
[autoinstalls/wordpress.git] / wp-includes / class.wp-scripts.php
index 7652aecef75a594a16cff8bebc7d4d2b3dc2cfad..5e16632152ef70ed4e06b04ace9194e6e69c5a89 100644 (file)
 <?php
-
+/**
+ * BackPress Scripts enqueue.
+ *
+ * These classes were refactored from the WordPress WP_Scripts and WordPress
+ * script enqueue API.
+ *
+ * @package BackPress
+ * @since r16
+ */
+
+/**
+ * BackPress Scripts enqueue class.
+ *
+ * @package BackPress
+ * @uses WP_Dependencies
+ * @since r16
+ */
 class WP_Scripts extends WP_Dependencies {
        var $base_url; // Full URL with trailing slash
+       var $content_url;
        var $default_version;
+       var $in_footer = array();
+       var $concat = '';
+       var $concat_version = '';
+       var $do_concat = false;
+       var $print_html = '';
+       var $print_code = '';
+       var $ext_handles = '';
+       var $ext_version = '';
+       var $default_dirs;
 
        function __construct() {
+               $this->init();
+               add_action( 'init', array( $this, 'init' ), 0 );
+       }
+
+       function init() {
                do_action_ref_array( 'wp_default_scripts', array(&$this) );
        }
 
        /**
         * Prints scripts
         *
-        * Prints the scripts passed to it or the print queue.  Also prints all necessary dependencies.
+        * 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.
+        * @param mixed $handles (optional) Scripts to be printed. (void) prints queue, (string) prints that script, (array of strings) prints those scripts.
+        * @param int $group (optional) If scripts were queued in groups prints this group number.
         * @return array Scripts that have been printed
         */
-       function print_scripts( $handles = false ) {
-               return $this->do_items( $handles );
+       function print_scripts( $handles = false, $group = false ) {
+               return $this->do_items( $handles, $group );
        }
 
-       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;
+       // Deprecated since 3.3, see print_extra_script()
+       function print_scripts_l10n( $handle, $echo = true ) {
+               _deprecated_function( __FUNCTION__, '3.3', 'print_extra_script()' );
+               return $this->print_extra_script( $handle, $echo );
+       }
+
+       function print_extra_script( $handle, $echo = true ) {
+               if ( !$output = $this->get_data( $handle, 'data' ) )
+                       return;
 
-               $object_name = $this->registered[$handle]->extra['l10n'][0];
+               if ( !$echo )
+                       return $output;
 
-               echo "<script type='text/javascript'>\n";
+               echo "<script type='text/javascript'>\n"; // CDATA and type='text/javascript' is not needed for HTML 5
                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 ) . '"';
-                       $eol = ",\n";
-               }
-               echo "\n\t}\n";
+               echo "$output\n";
                echo "/* ]]> */\n";
                echo "</script>\n";
 
                return true;
        }
 
-       function do_item( $handle ) {
+       function do_item( $handle, $group = false ) {
                if ( !parent::do_item($handle) )
                        return false;
 
-               $ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
+               if ( 0 === $group && $this->groups[$handle] > 0 ) {
+                       $this->in_footer[] = $handle;
+                       return false;
+               }
+
+               if ( false === $group && in_array($handle, $this->in_footer, true) )
+                       $this->in_footer = array_diff( $this->in_footer, (array) $handle );
+
+               if ( null === $this->registered[$handle]->ver )
+                       $ver = '';
+               else
+                       $ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
+
                if ( isset($this->args[$handle]) )
-                       $ver .= '&amp;' . $this->args[$handle];
+                       $ver = $ver ? $ver . '&amp;' . $this->args[$handle] : $this->args[$handle];
 
                $src = $this->registered[$handle]->src;
-               if ( !preg_match('|^https?://|', $src) && !preg_match('|^' . preg_quote(WP_CONTENT_URL) . '|', $src) ) {
+
+               if ( $this->do_concat ) {
+                       $srce = apply_filters( 'script_loader_src', $src, $handle );
+                       if ( $this->in_default_dir($srce) ) {
+                               $this->print_code .= $this->print_extra_script( $handle, false );
+                               $this->concat .= "$handle,";
+                               $this->concat_version .= "$handle$ver";
+                               return true;
+                       } else {
+                               $this->ext_handles .= "$handle,";
+                               $this->ext_version .= "$handle$ver";
+                       }
+               }
+
+               $this->print_extra_script( $handle );
+               if ( !preg_match('|^(https?:)?//|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) {
                        $src = $this->base_url . $src;
                }
 
-               $src = add_query_arg('ver', $ver, $src);
-               $src = clean_url(apply_filters( 'script_loader_src', $src, $handle ));
+               if ( !empty($ver) )
+                       $src = add_query_arg('ver', $ver, $src);
 
-               $this->print_scripts_l10n( $handle );
+               $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) );
 
-               echo "<script type='text/javascript' src='$src'></script>\n";
+               if ( ! $src )
+                       return true;
+
+               if ( $this->do_concat )
+                       $this->print_html .= "<script type='text/javascript' src='$src'></script>\n";
+               else
+                       echo "<script type='text/javascript' src='$src'></script>\n";
 
                return true;
        }
@@ -67,23 +133,88 @@ class WP_Scripts extends WP_Dependencies {
        /**
         * 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
+        * Localizes only if the script has already been added
         */
        function localize( $handle, $object_name, $l10n ) {
-               if ( !$object_name || !$l10n )
-                       return false;
-               return $this->add_data( $handle, 'l10n', array( $object_name, $l10n ) );
+               if ( $handle === 'jquery' )
+                       $handle = 'jquery-core';
+
+               if ( is_array($l10n) && isset($l10n['l10n_print_after']) ) { // back compat, preserve the code in 'l10n_print_after' if present
+                       $after = $l10n['l10n_print_after'];
+                       unset($l10n['l10n_print_after']);
+               }
+
+               foreach ( (array) $l10n as $key => $value ) {
+                       if ( !is_scalar($value) )
+                               continue;
+
+                       $l10n[$key] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8');
+               }
+
+               $script = "var $object_name = " . json_encode($l10n) . ';';
+
+               if ( !empty($after) )
+                       $script .= "\n$after;";
+
+               $data = $this->get_data( $handle, 'data' );
+
+               if ( !empty( $data ) )
+                       $script = "$data\n$script";
+
+               return $this->add_data( $handle, 'data', $script );
        }
 
-       function all_deps( $handles, $recursion = false ) {
+       function set_group( $handle, $recursion, $group = false ) {
+
+               if ( $this->registered[$handle]->args === 1 )
+                       $grp = 1;
+               else
+                       $grp = (int) $this->get_data( $handle, 'group' );
+
+               if ( false !== $group && $grp > $group )
+                       $grp = $group;
+
+               return parent::set_group( $handle, $recursion, $grp );
+       }
+
+       function all_deps( $handles, $recursion = false, $group = false ) {
                $r = parent::all_deps( $handles, $recursion );
                if ( !$recursion )
                        $this->to_do = apply_filters( 'print_scripts_array', $this->to_do );
                return $r;
        }
+
+       function do_head_items() {
+               $this->do_items(false, 0);
+               return $this->done;
+       }
+
+       function do_footer_items() {
+               $this->do_items(false, 1);
+               return $this->done;
+       }
+
+       function in_default_dir($src) {
+               if ( ! $this->default_dirs )
+                       return true;
+
+               if ( 0 === strpos( $src, '/wp-includes/js/l10n' ) )
+                       return false;
+
+               foreach ( (array) $this->default_dirs as $test ) {
+                       if ( 0 === strpos($src, $test) )
+                               return true;
+               }
+               return false;
+       }
+
+       function reset() {
+               $this->do_concat = false;
+               $this->print_code = '';
+               $this->concat = '';
+               $this->concat_version = '';
+               $this->print_html = '';
+               $this->ext_version = '';
+               $this->ext_handles = '';
+       }
 }