[Sommaire] [Imprimer]

   1  <?php
   2  class WP_Scripts {
   3      var $scripts = array();
   4      var $queue = array();
   5      var $printed = array();
   6      var $args = array();
   7  
   8  	function WP_Scripts() {
   9          $this->default_scripts();
  10      }
  11  
  12  	function default_scripts() {
  13          $this->add( 'dbx', '/wp-includes/js/dbx.js', false, '2.05' );
  14          $this->add( 'fat', '/wp-includes/js/fat.js', false, '1.0-RC1_3660' );
  15          $this->add( 'sack', '/wp-includes/js/tw-sack.js', false, '1.6.1' );
  16          $this->add( 'quicktags', '/wp-includes/js/quicktags.js', false, '3517' );
  17          $this->add( 'colorpicker', '/wp-includes/js/colorpicker.js', false, '3517' );
  18          $this->add( 'tiny_mce', '/wp-includes/js/tinymce/tiny_mce_gzip.php', false, '20061113' );
  19          $mce_config = apply_filters('tiny_mce_config_url', '/wp-includes/js/tinymce/tiny_mce_config.php');
  20          $this->add( 'wp_tiny_mce', $mce_config, array('tiny_mce'), '20070225' );
  21          $this->add( 'prototype', '/wp-includes/js/prototype.js', false, '1.5.0');
  22          $this->add( 'autosave', '/wp-includes/js/autosave-js.php', array('prototype', 'sack'), '20070116');
  23          $this->add( 'wp-ajax', '/wp-includes/js/wp-ajax-js.php', array('prototype'), '20070118');
  24          $this->add( 'listman', '/wp-includes/js/list-manipulation-js.php', array('wp-ajax', 'fat'), '20070118');
  25          $this->add( 'scriptaculous-root', '/wp-includes/js/scriptaculous/wp-scriptaculous.js', array('prototype'), '1.6.1');
  26          $this->add( 'scriptaculous-builder', '/wp-includes/js/scriptaculous/builder.js', array('scriptaculous-root'), '1.6.1');
  27          $this->add( 'scriptaculous-dragdrop', '/wp-includes/js/scriptaculous/dragdrop.js', array('scriptaculous-builder'), '1.6.1');
  28          $this->add( 'scriptaculous-effects', '/wp-includes/js/scriptaculous/effects.js', array('scriptaculous-root'), '1.6.1');
  29          $this->add( 'scriptaculous-slider', '/wp-includes/js/scriptaculous/slider.js', array('scriptaculous-effects'), '1.6.1');
  30          $this->add( 'scriptaculous-controls', '/wp-includes/js/scriptaculous/controls.js', array('scriptaculous-root'), '1.6.1');
  31          $this->add( 'scriptaculous', '', array('scriptaculous-dragdrop', 'scriptaculous-slider', 'scriptaculous-controls'), '1.6.1');
  32          $this->add( 'cropper', '/wp-includes/js/crop/cropper.js', array('scriptaculous-dragdrop'), '20070118');
  33          if ( is_admin() ) {
  34              $this->add( 'dbx-admin-key', '/wp-admin/dbx-admin-key-js.php', array('dbx'), '3651' );
  35              $this->add( 'ajaxcat', '/wp-admin/cat-js.php', array('listman'), '20070118' );
  36              $this->add( 'admin-categories', '/wp-admin/categories.js', array('listman'), '3684' );
  37              $this->add( 'admin-custom-fields', '/wp-admin/custom-fields.js', array('listman'), '3733' );
  38              $this->add( 'admin-comments', '/wp-admin/edit-comments.js', array('listman'), '3847' );
  39              $this->add( 'admin-users', '/wp-admin/users.js', array('listman'), '4583' );
  40              $this->add( 'xfn', '/wp-admin/xfn.js', false, '3517' );
  41              $this->add( 'upload', '/wp-admin/upload-js.php', array('prototype'), '20070118' );
  42          }
  43      }
  44  
  45      /**
  46       * Prints script tags
  47       *
  48       * Prints the scripts passed to it or the print queue.  Also prints all necessary dependencies.
  49       *
  50       * @param mixed handles (optional) Scripts to be printed.  (void) prints queue, (string) prints that script, (array of strings) prints those scripts.
  51       * @return array Scripts that have been printed
  52       */
  53  	function print_scripts( $handles = false ) {
  54          // Print the queue if nothing is passed.  If a string is passed, print that script.  If an array is passed, print those scripts.
  55          $handles = false === $handles ? $this->queue : (array) $handles;
  56          $handles = $this->all_deps( $handles );
  57          $this->_print_scripts( $handles );
  58          return $this->printed;
  59      }
  60  
  61      /**
  62       * Internally used helper function for printing script tags
  63       *
  64       * @param array handles Hierarchical array of scripts to be printed
  65       * @see WP_Scripts::all_deps()
  66       */
  67  	function _print_scripts( $handles ) {
  68          global $wp_db_version;
  69  
  70          foreach( array_keys($handles) as $handle ) {
  71              if ( !$handles[$handle] )
  72                  return;
  73              elseif ( is_array($handles[$handle]) )
  74                  $this->_print_scripts( $handles[$handle] );
  75              if ( !in_array($handle, $this->printed) && isset($this->scripts[$handle]) ) {
  76                  if ( $this->scripts[$handle]->src ) { // Else it defines a group.
  77                      $ver = $this->scripts[$handle]->ver ? $this->scripts[$handle]->ver : $wp_db_version;
  78                      if ( isset($this->args[$handle]) )
  79                          $ver .= '&amp;' . $this->args[$handle];
  80                      $src = 0 === strpos($this->scripts[$handle]->src, 'http://') ? $this->scripts[$handle]->src : get_option( 'siteurl' ) . $this->scripts[$handle]->src;
  81                      $src = add_query_arg('ver', $ver, $src);
  82                      echo "<script type='text/javascript' src='$src'></script>\n";
  83                  }
  84                  $this->printed[] = $handle;
  85              }
  86          }
  87      }
  88  
  89  
  90      /**
  91       * Determines dependencies of scripts
  92       *
  93       * Recursively builds hierarchical array of script dependencies.  Does NOT catch infinite loops.
  94       *
  95       * @param mixed handles Accepts (string) script name or (array of strings) script names
  96       * @param bool recursion Used internally when function calls itself
  97       * @return array Hierarchical array of dependencies
  98       */
  99  	function all_deps( $handles, $recursion = false ) {
 100          if ( ! $handles = (array) $handles )
 101              return array();
 102          $return = array();
 103          foreach ( $handles as $handle ) {
 104              $handle = explode('?', $handle);
 105              if ( isset($handle[1]) )
 106                  $this->args[$handle[0]] = $handle[1];
 107              $handle = $handle[0];
 108              if ( is_null($return[$handle]) ) // Prime the return array with $handles
 109                  $return[$handle] = true;
 110              if ( $this->scripts[$handle]->deps ) {
 111                  if ( false !== $return[$handle] && array_diff($this->scripts[$handle]->deps, array_keys($this->scripts)) )
 112                      $return[$handle] = false; // Script required deps which don't exist
 113                  else
 114                      $return[$handle] = $this->all_deps( $this->scripts[$handle]->deps, true ); // Build the hierarchy
 115              }
 116              if ( $recursion && false === $return[$handle] )
 117                  return false; // Cut the branch
 118          }
 119          return $return;
 120      }
 121  
 122      /**
 123       * Adds script
 124       *
 125       * Adds the script only if no script of that name already exists
 126       *
 127       * @param string handle Script name
 128       * @param string src Script url
 129       * @param array deps (optional) Array of script names on which this script depends
 130       * @param string ver (optional) Script version (used for cache busting)
 131       * @return array Hierarchical array of dependencies
 132       */
 133  	function add( $handle, $src, $deps = array(), $ver = false ) {
 134          if ( isset($this->scripts[$handle]) )
 135              return false;
 136          $this->scripts[$handle] = new _WP_Script( $handle, $src, $deps, $ver );
 137          return true;
 138      }
 139  
 140  	function remove( $handles ) {
 141          foreach ( (array) $handles as $handle )
 142              unset($this->scripts[$handle]);
 143      }
 144  
 145  	function enqueue( $handles ) {
 146          foreach ( (array) $handles as $handle ) {
 147              $handle = explode('?', $handle);
 148              if ( !in_array($handle[0], $this->queue) && isset($this->scripts[$handle[0]]) ) {
 149                  $this->queue[] = $handle[0];
 150                  if ( isset($handle[1]) )
 151                      $this->args[$handle[0]] = $handle[1];
 152              }
 153          }
 154      }
 155  
 156  	function dequeue( $handles ) {
 157          foreach ( (array) $handles as $handle )
 158              unset( $this->queue[$handle] );
 159      }
 160  
 161  	function query( $handle, $list = 'scripts' ) { // scripts, queue, or printed
 162          switch ( $list ) :
 163          case 'scripts':
 164              if ( isset($this->scripts[$handle]) )
 165                  return $this->scripts[$handle];
 166              break;
 167          default:
 168              if ( in_array($handle, $this->$list) )
 169                  return true;
 170              break;
 171          endswitch;
 172          return false;
 173      }
 174  
 175  }
 176  
 177  class _WP_Script {
 178      var $handle;
 179      var $src;
 180      var $deps = array();
 181      var $ver = false;
 182      var $args = false;
 183  
 184  	function _WP_Script() {
 185          @list($this->handle, $this->src, $this->deps, $this->ver) = func_get_args();
 186          if ( !is_array($this->deps) )
 187              $this->deps = array();
 188          if ( !$this->ver )
 189              $this->ver = false;
 190      }
 191  }
 192  
 193  /**
 194   * Prints script tags in document head
 195   *
 196   * Called by admin-header.php and by wp_head hook. Since it is called by wp_head on every page load,
 197   * the function does not instantiate the WP_Scripts object unless script names are explicitly passed.
 198   * Does make use of already instantiated $wp_scripts if present.
 199   * Use provided wp_print_scripts hook to register/enqueue new scripts.
 200   *
 201   * @see WP_Scripts::print_scripts()
 202   */
 203  function wp_print_scripts( $handles = false ) {
 204      do_action( 'wp_print_scripts' );
 205      if ( '' === $handles ) // for wp_head
 206          $handles = false;
 207  
 208      global $wp_scripts;
 209      if ( !is_a($wp_scripts, 'WP_Scripts') ) {
 210          if ( !$handles )
 211              return array(); // No need to instantiate if nothing's there.
 212          else
 213              $wp_scripts = new WP_Scripts();
 214      }
 215  
 216      return $wp_scripts->print_scripts( $handles );
 217  }
 218  
 219  function wp_register_script( $handle, $src, $deps = array(), $ver = false ) {
 220      global $wp_scripts;
 221      if ( !is_a($wp_scripts, 'WP_Scripts') )
 222          $wp_scripts = new WP_Scripts();
 223  
 224      $wp_scripts->add( $handle, $src, $deps, $ver );
 225  }
 226  
 227  function wp_deregister_script( $handle ) {
 228      global $wp_scripts;
 229      if ( !is_a($wp_scripts, 'WP_Scripts') )
 230          $wp_scripts = new WP_Scripts();
 231  
 232      $wp_scripts->remove( $handle );
 233  }
 234  
 235  /**
 236   * Equeues script
 237   *
 238   * Registers the script if src provided (does NOT overwrite) and enqueues.
 239   *
 240   * @see WP_Script::add(), WP_Script::enqueue()
 241  */
 242  function wp_enqueue_script( $handle, $src = false, $deps = array(), $ver = false ) {
 243      global $wp_scripts;
 244      if ( !is_a($wp_scripts, 'WP_Scripts') )
 245          $wp_scripts = new WP_Scripts();
 246  
 247      if ( $src ) {
 248          $_handle = explode('?', $handle);
 249          $wp_scripts->add( $_handle[0], $src, $deps, $ver );
 250      }
 251      $wp_scripts->enqueue( $handle );
 252  }
 253  ?>