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   1  <?php
   2  /**
   3   * WordPress Widgets Administration API
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /**
  10   * Display list of the available widgets.
  11   *
  12   * @since 2.5.0
  13   */
  14  function wp_list_widgets() {
  15      global $wp_registered_widgets, $sidebars_widgets, $wp_registered_widget_controls;
  16  
  17      $sort = $wp_registered_widgets;
  18      usort( $sort, '_sort_name_callback' );
  19      $done = array();
  20  
  21      foreach ( $sort as $widget ) {
  22          if ( in_array( $widget['callback'], $done, true ) ) // We already showed this multi-widget
  23              continue;
  24  
  25          $sidebar = is_active_widget( $widget['callback'], $widget['id'], false, false );
  26          $done[] = $widget['callback'];
  27  
  28          if ( ! isset( $widget['params'][0] ) )
  29              $widget['params'][0] = array();
  30  
  31          $args = array( 'widget_id' => $widget['id'], 'widget_name' => $widget['name'], '_display' => 'template' );
  32  
  33          if ( isset($wp_registered_widget_controls[$widget['id']]['id_base']) && isset($widget['params'][0]['number']) ) {
  34              $id_base = $wp_registered_widget_controls[$widget['id']]['id_base'];
  35              $args['_temp_id'] = "$id_base-__i__";
  36              $args['_multi_num'] = next_widget_id_number($id_base);
  37              $args['_add'] = 'multi';
  38          } else {
  39              $args['_add'] = 'single';
  40              if ( $sidebar )
  41                  $args['_hide'] = '1';
  42          }
  43  
  44          $args = wp_list_widget_controls_dynamic_sidebar( array( 0 => $args, 1 => $widget['params'][0] ) );
  45          call_user_func_array( 'wp_widget_control', $args );
  46      }
  47  }
  48  
  49  /**
  50   * Callback to sort array by a 'name' key.
  51   *
  52   * @since 3.1.0
  53   * @access private
  54   */
  55  function _sort_name_callback( $a, $b ) {
  56      return strnatcasecmp( $a['name'], $b['name'] );
  57  }
  58  
  59  /**
  60   * Show the widgets and their settings for a sidebar.
  61   * Used in the the admin widget config screen.
  62   *
  63   * @since 2.5.0
  64   *
  65   * @param string $sidebar id slug of the sidebar
  66   */
  67  function wp_list_widget_controls( $sidebar ) {
  68      add_filter( 'dynamic_sidebar_params', 'wp_list_widget_controls_dynamic_sidebar' );
  69  
  70      echo "<div id='$sidebar' class='widgets-sortables'>\n";
  71  
  72      $description = wp_sidebar_description( $sidebar );
  73  
  74      if ( !empty( $description ) ) {
  75          echo "<div class='sidebar-description'>\n";
  76          echo "\t<p class='description'>$description</p>";
  77          echo "</div>\n";
  78      }
  79  
  80      dynamic_sidebar( $sidebar );
  81      echo "</div>\n";
  82  }
  83  
  84  /**
  85   * {@internal Missing Short Description}}
  86   *
  87   * @since 2.5.0
  88   *
  89   * @param array $params
  90   * @return array
  91   */
  92  function wp_list_widget_controls_dynamic_sidebar( $params ) {
  93      global $wp_registered_widgets;
  94      static $i = 0;
  95      $i++;
  96  
  97      $widget_id = $params[0]['widget_id'];
  98      $id = isset($params[0]['_temp_id']) ? $params[0]['_temp_id'] : $widget_id;
  99      $hidden = isset($params[0]['_hide']) ? ' style="display:none;"' : '';
 100  
 101      $params[0]['before_widget'] = "<div id='widget-{$i}_{$id}' class='widget'$hidden>";
 102      $params[0]['after_widget'] = "</div>";
 103      $params[0]['before_title'] = "%BEG_OF_TITLE%"; // deprecated
 104      $params[0]['after_title'] = "%END_OF_TITLE%"; // deprecated
 105      if ( is_callable( $wp_registered_widgets[$widget_id]['callback'] ) ) {
 106          $wp_registered_widgets[$widget_id]['_callback'] = $wp_registered_widgets[$widget_id]['callback'];
 107          $wp_registered_widgets[$widget_id]['callback'] = 'wp_widget_control';
 108      }
 109  
 110      return $params;
 111  }
 112  
 113  function next_widget_id_number($id_base) {
 114      global $wp_registered_widgets;
 115      $number = 1;
 116  
 117      foreach ( $wp_registered_widgets as $widget_id => $widget ) {
 118          if ( preg_match( '/' . $id_base . '-([0-9]+)$/', $widget_id, $matches ) )
 119              $number = max($number, $matches[1]);
 120      }
 121      $number++;
 122  
 123      return $number;
 124  }
 125  
 126  /**
 127   * Meta widget used to display the control form for a widget.
 128   *
 129   * Called from dynamic_sidebar().
 130   *
 131   * @since 2.5.0
 132   *
 133   * @param array $sidebar_args
 134   * @return array
 135   */
 136  function wp_widget_control( $sidebar_args ) {
 137      global $wp_registered_widgets, $wp_registered_widget_controls, $sidebars_widgets;
 138  
 139      $widget_id = $sidebar_args['widget_id'];
 140      $sidebar_id = isset($sidebar_args['id']) ? $sidebar_args['id'] : false;
 141      $key = $sidebar_id ? array_search( $widget_id, $sidebars_widgets[$sidebar_id] ) : '-1'; // position of widget in sidebar
 142      $control = isset($wp_registered_widget_controls[$widget_id]) ? $wp_registered_widget_controls[$widget_id] : array();
 143      $widget = $wp_registered_widgets[$widget_id];
 144  
 145      $id_format = $widget['id'];
 146      $widget_number = isset($control['params'][0]['number']) ? $control['params'][0]['number'] : '';
 147      $id_base = isset($control['id_base']) ? $control['id_base'] : $widget_id;
 148      $multi_number = isset($sidebar_args['_multi_num']) ? $sidebar_args['_multi_num'] : '';
 149      $add_new = isset($sidebar_args['_add']) ? $sidebar_args['_add'] : '';
 150  
 151      $query_arg = array( 'editwidget' => $widget['id'] );
 152      if ( $add_new ) {
 153          $query_arg['addnew'] = 1;
 154          if ( $multi_number ) {
 155              $query_arg['num'] = $multi_number;
 156              $query_arg['base'] = $id_base;
 157          }
 158      } else {
 159          $query_arg['sidebar'] = $sidebar_id;
 160          $query_arg['key'] = $key;
 161      }
 162  
 163      // We aren't showing a widget control, we're outputing a template for a mult-widget control
 164      if ( isset($sidebar_args['_display']) && 'template' == $sidebar_args['_display'] && $widget_number ) {
 165          // number == -1 implies a template where id numbers are replaced by a generic '__i__'
 166          $control['params'][0]['number'] = -1;
 167          // with id_base widget id's are constructed like {$id_base}-{$id_number}
 168          if ( isset($control['id_base']) )
 169              $id_format = $control['id_base'] . '-__i__';
 170      }
 171  
 172      $wp_registered_widgets[$widget_id]['callback'] = $wp_registered_widgets[$widget_id]['_callback'];
 173      unset($wp_registered_widgets[$widget_id]['_callback']);
 174  
 175      $widget_title = esc_html( strip_tags( $sidebar_args['widget_name'] ) );
 176      $has_form = 'noform';
 177  
 178      echo $sidebar_args['before_widget']; ?>
 179      <div class="widget-top">
 180      <div class="widget-title-action">
 181          <a class="widget-action hide-if-no-js" href="#available-widgets"></a>
 182          <a class="widget-control-edit hide-if-js" href="<?php echo esc_url( add_query_arg( $query_arg ) ); ?>"><span class="edit"><?php _e('Edit'); ?></span><span class="add"><?php _e('Add'); ?></span></a>
 183      </div>
 184      <div class="widget-title"><h4><?php echo $widget_title ?><span class="in-widget-title"></span></h4></div>
 185      </div>
 186  
 187      <div class="widget-inside">
 188      <form action="" method="post">
 189      <div class="widget-content">
 190  <?php
 191      if ( isset($control['callback']) )
 192          $has_form = call_user_func_array( $control['callback'], $control['params'] );
 193      else
 194          echo "\t\t<p>" . __('There are no options for this widget.') . "</p>\n"; ?>
 195      </div>
 196      <input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr($id_format); ?>" />
 197      <input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr($id_base); ?>" />
 198      <input type="hidden" name="widget-width" class="widget-width" value="<?php if (isset( $control['width'] )) echo esc_attr($control['width']); ?>" />
 199      <input type="hidden" name="widget-height" class="widget-height" value="<?php if (isset( $control['height'] )) echo esc_attr($control['height']); ?>" />
 200      <input type="hidden" name="widget_number" class="widget_number" value="<?php echo esc_attr($widget_number); ?>" />
 201      <input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr($multi_number); ?>" />
 202      <input type="hidden" name="add_new" class="add_new" value="<?php echo esc_attr($add_new); ?>" />
 203  
 204      <div class="widget-control-actions">
 205          <div class="alignleft">
 206          <a class="widget-control-remove" href="#remove"><?php _e('Delete'); ?></a> |
 207          <a class="widget-control-close" href="#close"><?php _e('Close'); ?></a>
 208          </div>
 209          <div class="alignright<?php if ( 'noform' === $has_form ) echo ' widget-control-noform'; ?>">
 210          <img src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" class="ajax-feedback" title="" alt="" />
 211          <?php submit_button( __( 'Save' ), 'button-primary widget-control-save', 'savewidget', false, array( 'id' => 'widget-' . esc_attr( $id_format ) . '-savewidget' ) ); ?>
 212          </div>
 213          <br class="clear" />
 214      </div>
 215      </form>
 216      </div>
 217  
 218      <div class="widget-description">
 219  <?php echo ( $widget_description = wp_widget_description($widget_id) ) ? "$widget_description\n" : "$widget_title\n"; ?>
 220      </div>
 221  <?php
 222      echo $sidebar_args['after_widget'];
 223      return $sidebar_args;
 224  }
 225