WordPress/wp-includes/script-loader.php

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<?php
class WP_Scripts {
var $scripts = array();
var $queue = array();
var $to_print = array();
var $printed = array();
var $args = array();
function WP_Scripts() {
$this->default_scripts();
}
function default_scripts() {
$this->add( 'common', '/wp-admin/js/common.js', false, '1.0' );
$this->add( 'sack', '/wp-includes/js/tw-sack.js', false, '1.6.1' );
$this->add( 'quicktags', '/wp-includes/js/quicktags.js', false, '3958' );
$this->localize( 'quicktags', 'quicktagsL10n', array(
'quickLinks' => __('(Quick Links)'),
'wordLookup' => __('Enter a word to look up:'),
'dictionaryLookup' => attribute_escape(__('Dictionary lookup')),
'lookup' => attribute_escape(__('lookup')),
'closeAllOpenTags' => attribute_escape(__('Close all open tags')),
'closeTags' => attribute_escape(__('close tags')),
'enterURL' => __('Enter the URL'),
'enterImageURL' => __('Enter the URL of the image'),
'enterImageDescription' => __('Enter a description of the image')
) );
$this->add( 'colorpicker', '/wp-includes/js/colorpicker.js', false, '3517' );
// Modify this version when tinyMCE plugins are changed
$this->add( 'tiny_mce', '/wp-includes/js/tinymce/tiny_mce_gzip.php', false, '20080105' );
$mce_config = apply_filters('tiny_mce_config_url', '/wp-includes/js/tinymce/tiny_mce_config.php');
$this->add( 'wp_tiny_mce', $mce_config, array('tiny_mce'), '20080105' );
$this->add( 'prototype', '/wp-includes/js/prototype.js', false, '1.6');
$this->add( 'autosave', '/wp-includes/js/autosave.js', array('jquery', 'schedule'), '20080104');
$this->localize( 'autosave', 'autosaveL10n', array(
'autosaveInterval' => apply_filters('autosave_interval', '120'),
'errorText' => __('Error: %response%'),
'failText' => __('Error: Autosave Failed.'),
'saveText' => __('Saved at %time%.'),
'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
'savingText' => __('Saving Draft...')
) );
$this->add( 'wp-ajax', '/wp-includes/js/wp-ajax.js', array('prototype'), '20070306');
$this->localize( 'wp-ajax', 'WPAjaxL10n', array(
'defaultUrl' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
'permText' => __("You don't have permission to do that."),
'strangeText' => __("Something strange happened. Try refreshing the page."),
'whoaText' => __("Slow down, I'm still sending your data!")
) );
$this->add( 'listman', '/wp-includes/js/list-manipulation.js', array('wp-ajax', 'jquery-color'), '20070306' );
$this->localize( 'listman', 'listManL10n', array(
'jumpText' => __('Jump to new item'),
'delText' => __('Are you sure you want to delete this %thing%?')
) );
$this->add( 'wp-lists', '/wp-includes/js/wp-lists.js', array('jquery'), '20080110' );
$this->localize( 'wp-lists', 'wpListL10n', array(
'url' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php'
) );
$this->add( 'scriptaculous-root', '/wp-includes/js/scriptaculous/scriptaculous.js', array('prototype'), '1.8.0');
$this->add( 'scriptaculous-builder', '/wp-includes/js/scriptaculous/builder.js', array('scriptaculous-root'), '1.8.0');
$this->add( 'scriptaculous-dragdrop', '/wp-includes/js/scriptaculous/dragdrop.js', array('scriptaculous-builder', 'scriptaculous-effects'), '1.8.0');
$this->add( 'scriptaculous-effects', '/wp-includes/js/scriptaculous/effects.js', array('scriptaculous-root'), '1.8.0');
$this->add( 'scriptaculous-slider', '/wp-includes/js/scriptaculous/slider.js', array('scriptaculous-effects'), '1.8.0');
$this->add( 'scriptaculous-sound', '/wp-includes/js/scriptaculous/sound.js', array( 'scriptaculous-root' ), '1.8.0' );
$this->add( 'scriptaculous-controls', '/wp-includes/js/scriptaculous/controls.js', array('scriptaculous-root'), '1.8.0');
$this->add( 'scriptaculous', '', array('scriptaculous-dragdrop', 'scriptaculous-slider', 'scriptaculous-controls'), '1.8.0');
$this->add( 'cropper', '/wp-includes/js/crop/cropper.js', array('scriptaculous-dragdrop'), '20070118');
$this->add( 'jquery', '/wp-includes/js/jquery/jquery.js', false, '1.2.2');
$this->add( 'jquery-form', '/wp-includes/js/jquery/jquery.form.js', array('jquery'), '2.02');
$this->add( 'jquery-color', '/wp-includes/js/jquery/jquery.color.js', array('jquery'), '2.0');
$this->add( 'interface', '/wp-includes/js/jquery/interface.js', array('jquery'), '1.2' );
$this->add( 'dimensions', '/wp-includes/js/jquery/jquery.dimensions.min.js', array('jquery'), '1.1.2');
$this->add( 'suggest', '/wp-includes/js/jquery/suggest.js', array('dimensions'), '1.1');
$this->add( 'schedule', '/wp-includes/js/jquery/jquery.schedule.js', array('jquery'), '20');
$this->add( 'thickbox', '/wp-includes/js/thickbox/thickbox.js', array('jquery'), '3.1');
$this->add( 'swfupload', '/wp-includes/js/swfupload/swfupload.js', false, '2.0.2');
$this->add( 'swfupload-degrade', '/wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js', array('swfupload'), '2.0.2');
$this->add( 'swfupload-queue', '/wp-includes/js/swfupload/plugins/swfupload.queue.js', array('swfupload'), '2.0.2');
$this->add( 'swfupload-handlers', '/wp-includes/js/swfupload/handlers.js', array('swfupload'), '2.0.2');
// these error messages came from the sample swfupload js, they might need changing.
$this->localize( 'swfupload-handlers', 'swfuploadL10n', array(
'queue_limit_exceeded' => 'You have attempted to queue too many files.',
'file_exceeds_size_limit' => 'The file you have selected is too big.',
'zero_byte_file' => 'The file you selected is empty. Please select another file.',
'invalid_filetype' => 'The file you choose is not an allowed file type.',
'default_error' => 'An error occurred in the upload. Please try again later.',
'missing_upload_url' => 'There was a configuration error. Please contact the server administrator.',
'upload_limit_exceeded' => 'You may only upload 1 file.',
'http_error' => 'HTTP error.',
'upload_failed' => 'Upload failed.',
'io_error' => 'IO error.',
'security_error' => 'Security error.',
'file_cancelled' => 'File cancelled.',
'upload_stopped' => 'Upload stopped.',
) );
$this->add( 'jquery-ui-tabs', '/wp-includes/js/jquery/ui.tabs.js', array('jquery'), '3' );
if ( is_admin() ) {
$this->add( 'ajaxcat', '/wp-admin/js/cat.js', array( 'wp-lists' ), '20071101' );
$this->localize( 'ajaxcat', 'catL10n', array(
'add' => attribute_escape(__('Add')),
'how' => __('Separate multiple categories with commas.')
) );
$this->add( 'admin-categories', '/wp-admin/js/categories.js', array('wp-lists'), '20071031' );
$this->add( 'admin-tags', '/wp-admin/js/tags.js', array('wp-lists'), '20071031' );
$this->add( 'admin-custom-fields', '/wp-admin/js/custom-fields.js', array('wp-lists'), '20070823' );
$this->add( 'password-strength-meter', '/wp-admin/js/password-strength-meter.js', array('jquery'), '20070405' );
$this->localize( 'password-strength-meter', 'pwsL10n', array(
'short' => __('Too short'),
'bad' => __('Bad'),
'good' => __('Good'),
'strong' => __('Strong')
) );
$this->add( 'admin-comments', '/wp-admin/js/edit-comments.js', array('wp-lists'), '20071104' );
$this->add( 'admin-posts', '/wp-admin/js/edit-posts.js', array('wp-lists'), '20071023' );
$this->add( 'admin-users', '/wp-admin/js/users.js', array('wp-lists'), '20070823' );
$this->add( 'admin-forms', '/wp-admin/js/forms.js', array('wp-lists'), '20080108' );
$this->add( 'xfn', '/wp-admin/js/xfn.js', false, '3517' );
$this->add( 'upload', '/wp-admin/js/upload.js', array('jquery'), '20070518' );
$this->add( 'post', '/wp-admin/js/post.js', array('suggest', 'jquery-ui-tabs', 'wp-lists'), '20080128' );
$this->localize( 'post', 'postL10n', array(
'tagsUsed' => __('Tags used on this post:'),
'add' => attribute_escape(__('Add')),
'addTag' => attribute_escape(__('Add new tag')),
'separate' => __('Separate tags with commas'),
'save' => __('Save'),
'cancel' => __('Cancel'),
'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
) );
$this->add( 'media-upload', '/wp-admin/js/media-upload.js', false, '20080109' );
$this->localize( 'upload', 'uploadL10n', array(
'browseTitle' => attribute_escape(__('Browse your files')),
'back' => __('&laquo; Back'),
'directTitle' => attribute_escape(__('Direct link to file')),
'edit' => __('Edit'),
'thumb' => __('Thumbnail'),
'full' => __('Full size'),
'icon' => __('Icon'),
'title' => __('Title'),
'show' => __('Show:'),
'link' => __('Link to:'),
'file' => __('File'),
'page' => __('Page'),
'none' => __('None'),
'editorText' => attribute_escape(__('Send to editor &raquo;')),
'insert' => __('Insert'),
'urlText' => __('URL'),
'desc' => __('Description'),
'deleteText' => attribute_escape(__('Delete File')),
'saveText' => attribute_escape(__('Save &raquo;')),
'confirmText' => __("Are you sure you want to delete the file '%title%'?\nClick ok to delete or cancel to go back.")
) );
$this->add( 'admin-widgets', '/wp-admin/js/widgets.js', array( 'interface' ), '20080109' );
}
}
/**
* Prints script tags
*
* 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 ) {
global $wp_db_version;
// Print the queue if nothing is passed. If a string is passed, print that script. If an array is passed, print those scripts.
$handles = false === $handles ? $this->queue : (array) $handles;
$this->all_deps( $handles );
$to_print = apply_filters( 'print_scripts_array', array_keys($this->to_print) );
foreach( $to_print as $handle ) {
if ( !in_array($handle, $this->printed) && isset($this->scripts[$handle]) ) {
if ( $this->scripts[$handle]->src ) { // Else it defines a group.
$ver = $this->scripts[$handle]->ver ? $this->scripts[$handle]->ver : $wp_db_version;
if ( isset($this->args[$handle]) )
$ver .= '&amp;' . $this->args[$handle];
$src = 0 === strpos($this->scripts[$handle]->src, 'http://') ? $this->scripts[$handle]->src : get_option( 'siteurl' ) . $this->scripts[$handle]->src;
$src = $this->scripts[$handle]->src;
if (!preg_match('|^https?://|', $src)) {
$src = get_option('siteurl') . $src;
}
$src = add_query_arg('ver', $ver, $src);
$src = clean_url(apply_filters( 'script_loader_src', $src ));
$this->print_scripts_l10n( $handle );
echo "<script type='text/javascript' src='$src'></script>\n";
}
$this->printed[] = $handle;
}
}
$this->to_print = array();
return $this->printed;
}
function print_scripts_l10n( $handle ) {
if ( empty($this->scripts[$handle]->l10n_object) || empty($this->scripts[$handle]->l10n) || !is_array($this->scripts[$handle]->l10n) )
return;
$object_name = $this->scripts[$handle]->l10n_object;
echo "<script type='text/javascript'>\n";
echo "/* <![CDATA[ */\n";
echo "\t$object_name = {\n";
$eol = '';
foreach ( $this->scripts[$handle]->l10n as $var => $val ) {
echo "$eol\t\t$var: \"" . js_escape( $val ) . '"';
$eol = ",\n";
}
echo "\n\t}\n";
echo "/* ]]> */\n";
echo "</script>\n";
}
/**
* Determines dependencies of scripts
*
* Recursively builds array of scripts to print taking dependencies into account. Does NOT catch infinite loops.
*
* @param mixed handles Accepts (string) script name or (array of strings) script names
* @param bool recursion Used internally when function calls itself
*/
function all_deps( $handles, $recursion = false ) {
if ( !$handles = (array) $handles )
return false;
foreach ( $handles as $handle ) {
$handle = explode('?', $handle);
if ( isset($handle[1]) )
$this->args[$handle[0]] = $handle[1];
$handle = $handle[0];
if ( isset($this->to_print[$handle]) ) // Already grobbed it and its deps
continue;
$keep_going = true;
if ( !isset($this->scripts[$handle]) )
$keep_going = false; // Script doesn't exist
elseif ( $this->scripts[$handle]->deps && array_diff($this->scripts[$handle]->deps, array_keys($this->scripts)) )
$keep_going = false; // Script requires deps which don't exist (not a necessary check. efficiency?)
elseif ( $this->scripts[$handle]->deps && !$this->all_deps( $this->scripts[$handle]->deps, true ) )
$keep_going = false; // Script requires deps which don't exist
if ( !$keep_going ) { // Either script or its deps don't exist.
if ( $recursion )
return false; // Abort this branch.
else
continue; // We're at the top level. Move on to the next one.
}
$this->to_print[$handle] = true;
}
return true;
}
/**
* Adds script
*
* Adds the script only if no script of that name already exists
*
* @param string handle Script name
* @param string src Script url
* @param array deps (optional) Array of script names on which this script depends
* @param string ver (optional) Script version (used for cache busting)
* @return array Hierarchical array of dependencies
*/
function add( $handle, $src, $deps = array(), $ver = false ) {
if ( isset($this->scripts[$handle]) )
return false;
$this->scripts[$handle] = new _WP_Script( $handle, $src, $deps, $ver );
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, $l10n ) {
if ( !isset($this->scripts[$handle]) )
return false;
return $this->scripts[$handle]->localize( $object_name, $l10n );
}
function remove( $handles ) {
foreach ( (array) $handles as $handle )
unset($this->scripts[$handle]);
}
function enqueue( $handles ) {
foreach ( (array) $handles as $handle ) {
$handle = explode('?', $handle);
if ( !in_array($handle[0], $this->queue) && isset($this->scripts[$handle[0]]) ) {
$this->queue[] = $handle[0];
if ( isset($handle[1]) )
$this->args[$handle[0]] = $handle[1];
}
}
}
function dequeue( $handles ) {
foreach ( (array) $handles as $handle )
unset( $this->queue[$handle] );
}
function query( $handle, $list = 'scripts' ) { // scripts, queue, or printed
switch ( $list ) :
case 'scripts':
if ( isset($this->scripts[$handle]) )
return $this->scripts[$handle];
break;
default:
if ( in_array($handle, $this->$list) )
return true;
break;
endswitch;
return false;
}
}
class _WP_Script {
var $handle;
var $src;
var $deps = array();
var $ver = false;
var $l10n_object = '';
var $l10n = array();
function _WP_Script() {
@list($this->handle, $this->src, $this->deps, $this->ver) = func_get_args();
if ( !is_array($this->deps) )
$this->deps = array();
if ( !$this->ver )
$this->ver = false;
}
function localize( $object_name, $l10n ) {
if ( !$object_name || !is_array($l10n) )
return false;
$this->l10n_object = $object_name;
$this->l10n = $l10n;
return true;
}
}
/**
* Prints script tags in document head
*
* Called by admin-header.php and by wp_head hook. Since it is called by wp_head on every page load,
* the function does not instantiate the WP_Scripts object unless script names are explicitly passed.
* Does make use of already instantiated $wp_scripts if present.
* Use provided wp_print_scripts hook to register/enqueue new scripts.
*
* @see WP_Scripts::print_scripts()
*/
function wp_print_scripts( $handles = false ) {
do_action( 'wp_print_scripts' );
if ( '' === $handles ) // for wp_head
$handles = false;
global $wp_scripts;
if ( !is_a($wp_scripts, 'WP_Scripts') ) {
if ( !$handles )
return array(); // No need to instantiate if nothing's there.
else
$wp_scripts = new WP_Scripts();
}
return $wp_scripts->print_scripts( $handles );
}
function wp_register_script( $handle, $src, $deps = array(), $ver = false ) {
global $wp_scripts;
if ( !is_a($wp_scripts, 'WP_Scripts') )
$wp_scripts = new WP_Scripts();
$wp_scripts->add( $handle, $src, $deps, $ver );
}
/**
* Localizes a script
*
* Localizes only if script has already been added
*
* @see WP_Script::localize()
*/
function wp_localize_script( $handle, $object_name, $l10n ) {
global $wp_scripts;
if ( !is_a($wp_scripts, 'WP_Scripts') )
return false;
return $wp_scripts->localize( $handle, $object_name, $l10n );
}
function wp_deregister_script( $handle ) {
global $wp_scripts;
if ( !is_a($wp_scripts, 'WP_Scripts') )
$wp_scripts = new WP_Scripts();
$wp_scripts->remove( $handle );
}
/**
* Equeues script
*
* Registers the script if src provided (does NOT overwrite) and enqueues.
*
* @see WP_Script::add(), WP_Script::enqueue()
*/
function wp_enqueue_script( $handle, $src = false, $deps = array(), $ver = false ) {
global $wp_scripts;
if ( !is_a($wp_scripts, 'WP_Scripts') )
$wp_scripts = new WP_Scripts();
if ( $src ) {
$_handle = explode('?', $handle);
$wp_scripts->add( $_handle[0], $src, $deps, $ver );
}
$wp_scripts->enqueue( $handle );
}
function wp_prototype_before_jquery( $js_array ) {
if ( false === $jquery = array_search( 'jquery', $js_array ) )
return $js_array;
if ( false === $prototype = array_search( 'prototype', $js_array ) )
return $js_array;
if ( $prototype < $jquery )
return $js_array;
unset($js_array[$prototype]);
array_splice( $js_array, $jquery, 0, 'prototype' );
return $js_array;
}
// These localizations require information that may not be loaded even by init
function wp_just_in_time_script_localization() {
wp_localize_script( 'wp_tiny_mce', 'wpTinyMCEConfig', array( 'defaultEditor' => wp_default_editor() ) );
}
add_filter( 'wp_print_scripts', 'wp_just_in_time_script_localization' );
add_filter( 'print_scripts_array', 'wp_prototype_before_jquery' );
?>