PHP Q_Html::pushIdPrefix方法代码示例

function Q_before_Q_tool_render($params, &$result)
{
    $info = $params['info'];
    $extra = $params['extra'];
    if (is_string($extra)) {
        $extra_id = $extra;
        $extra = array();
    } else {
        $extra_id = isset($extra['id']) ? $extra['id'] : '';
    }
    $cur_prefix = isset($extra['prefix']) ? $extra['prefix'] : Q_Html::getIdPrefix();
    $tool_ids = array();
    $tool_prefixes = array();
    foreach ($info as $name => $options) {
        $tool_id = implode('_', explode('/', $name));
        if (!empty($extra_id)) {
            $tool_id .= '-' . $extra_id;
        }
        $tool_id = $cur_prefix . $tool_id;
        $tool_ids[$name] = $tool_id;
        $tool_prefix = $tool_id . '_';
        if (isset(Q::$toolWasRendered[$tool_prefix])) {
            trigger_error("A tool with prefix \"{$tool_prefix}\" was already rendered.", E_USER_NOTICE);
        }
        Q::$toolWasRendered[$tool_prefix] = true;
        $tool_prefixes[$name] = $tool_prefix;
    }
    $prev_prefix = Q_Html::pushIdPrefix($tool_prefixes, $tool_ids);
}

function Q_before_Q_tool_render($params, &$result)
{
    $info = $params['info'];
    $extra = $params['extra'];
    if (is_string($extra) or is_numeric($extra)) {
        $extra_id = $extra;
        $extra = array();
    } else {
        $extra_id = isset($extra['id']) ? $extra['id'] : '';
    }
    $cur_prefix = isset($extra['prefix']) ? $extra['prefix'] : Q_Html::getIdPrefix();
    $tool_ids = array();
    $tool_prefixes = array();
    foreach ($info as $name => $options) {
        $tool_id = Q_Html::id($name . ($extra_id === '' ? '' : "-{$extra_id}"), $cur_prefix);
        $tool_ids[$name] = $tool_id;
        $tool_prefix = $tool_id . '_';
        if (isset(Q::$toolWasRendered[$tool_prefix])) {
            trigger_error("A tool with prefix \"{$tool_prefix}\" was already rendered.", E_USER_NOTICE);
        }
        Q::$toolWasRendered[$tool_prefix] = true;
        $tool_prefixes[$name] = $tool_prefix;
    }
    $prev_prefix = Q_Html::pushIdPrefix($tool_prefixes, $tool_ids);
}

 /**
  * Gets the current content of a slot, if any.
  * If slot content is null, then raises an event
  * to try to fill the slot. If it is filled,
  * returns the content. Otherwise, returns null.
  * @method fillSlot
  * @static
  * @param {string|array} $slotName The name of the slot.
  * @param {boolean} [$default_slotName=null] If the slot named in $slotName returns null,
  *  the handler corresponding to the default slot will be called,
  *  passing it the requested slot's name in the 'slotName' parameter,
  *  and its value will be returned instead.
  *  Note: this does not fill the slot named $default_slotName!
  *  That is to say, the computed value is not saved, so that
  *  the slot's handler is called again if it is ever consulted again.
  * @param {string} [$prefix=null] Sets a prefix for the HTML ids of all the elements in the slot.
  * @return {string|null}
  */
 static function fillSlot($slotName, $default_slotName = null, $prefix = null)
 {
     if (isset(self::$slots[$slotName])) {
         return self::$slots[$slotName];
     }
     $prev_slotName = self::$slotName;
     self::$slotName = $slotName;
     if (isset($prefix)) {
         Q_Html::pushIdPrefix($prefix);
     }
     try {
         if (isset($default_slotName)) {
             if (!Q::canHandle("Q/response/{$slotName}")) {
                 /**
                  * @event Q/response/$default_slotName
                  * @param {string} slotName
                  * @return {string}
                  */
                 $result = Q::event("Q/response/{$default_slotName}", compact('slotName'));
                 if (isset(self::$slots[$slotName])) {
                     // The slot was already filled, while we were rendering it
                     // so discard the $result and return the slot's contents
                     return self::$slots[$slotName];
                 }
                 return self::$slots[$slotName] = $result;
             }
         }
         /**
          * @event Q/response/$slotName
          * @return {string}
          */
         $result = Q::event("Q/response/{$slotName}");
     } catch (Exception $e) {
         self::$slotName = $prev_slotName;
         if (isset($prefix)) {
             Q_Html::popIdPrefix();
         }
         throw $e;
     }
     self::$slotName = $prev_slotName;
     if (isset($prefix)) {
         Q_Html::popIdPrefix();
     }
     if (isset(self::$slots[$slotName])) {
         // The slot was already filled, while we were rendering it
         // so discard the $result and return the slot's contents
         return self::$slots[$slotName];
     }
     if (isset($result)) {
         self::setSlot($slotName, $result);
         return $result;
     }
     // Otherwise, render default slot
     if (!isset($default_slotName)) {
         return null;
     }
     /**
      * @event Q/response/$default_slotName
      * @param {string} slotName
      * @return {string}
      */
     return Q::event("Q/response/{$default_slotName}", compact('slotName'));
 }