111 lines
3.0 KiB
PHP
111 lines
3.0 KiB
PHP
<?php
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/**
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* BackPress Scripts enqueue.
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*
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* These classes were refactored from the WordPress WP_Scripts and WordPress
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* script enqueue API.
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*
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* @package BackPress
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* @since r16
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*/
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/**
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* BackPress Scripts enqueue class.
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*
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* @package BackPress
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* @uses WP_Dependencies
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* @since r16
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*/
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class WP_Scripts extends WP_Dependencies {
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var $base_url; // Full URL with trailing slash
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var $default_version;
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function __construct() {
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do_action_ref_array( 'wp_default_scripts', array(&$this) );
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}
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/**
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* Prints scripts
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*
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* Prints the scripts passed to it or the print queue. Also prints all necessary dependencies.
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*
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* @param mixed handles (optional) Scripts to be printed. (void) prints queue, (string) prints that script, (array of strings) prints those scripts.
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* @return array Scripts that have been printed
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*/
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function print_scripts( $handles = false ) {
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return $this->do_items( $handles );
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}
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function print_scripts_l10n( $handle ) {
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if ( empty($this->registered[$handle]->extra['l10n']) || empty($this->registered[$handle]->extra['l10n'][0]) || !is_array($this->registered[$handle]->extra['l10n'][1]) )
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return false;
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$object_name = $this->registered[$handle]->extra['l10n'][0];
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echo "<script type='text/javascript'>\n";
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echo "/* <![CDATA[ */\n";
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echo "\t$object_name = {\n";
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$eol = '';
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foreach ( $this->registered[$handle]->extra['l10n'][1] as $var => $val ) {
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if ( 'l10n_print_after' == $var ) {
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$after = $val;
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continue;
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}
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echo "$eol\t\t$var: \"" . js_escape( $val ) . '"';
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$eol = ",\n";
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}
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echo "\n\t}\n";
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echo isset($after) ? "\t$after\n" : '';
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echo "/* ]]> */\n";
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echo "</script>\n";
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return true;
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}
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function do_item( $handle ) {
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if ( !parent::do_item($handle) )
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return false;
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$ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
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if ( isset($this->args[$handle]) )
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$ver .= '&' . $this->args[$handle];
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$src = $this->registered[$handle]->src;
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if ( !preg_match('|^https?://|', $src) && !preg_match('|^' . preg_quote(WP_CONTENT_URL) . '|', $src) ) {
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$src = $this->base_url . $src;
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}
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$src = add_query_arg('ver', $ver, $src);
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$src = clean_url(apply_filters( 'script_loader_src', $src, $handle ));
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$this->print_scripts_l10n( $handle );
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echo "<script type='text/javascript' src='$src'></script>\n";
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return true;
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}
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/**
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* Localizes a script
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*
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* Localizes only if script has already been added
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*
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* @param string handle Script name
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* @param string object_name Name of JS object to hold l10n info
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* @param array l10n Array of JS var name => localized string
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* @return bool Successful localization
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*/
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function localize( $handle, $object_name, $l10n ) {
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if ( !$object_name || !$l10n )
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return false;
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return $this->add_data( $handle, 'l10n', array( $object_name, $l10n ) );
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}
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function all_deps( $handles, $recursion = false ) {
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$r = parent::all_deps( $handles, $recursion );
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if ( !$recursion )
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$this->to_do = apply_filters( 'print_scripts_array', $this->to_do );
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return $r;
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}
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}
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