Method batchMove

/**
 * Batch move items to a new category
 *
 * @param   integer  $value     The new category ID.
 * @param   array    $pks       An array of row IDs.
 * @param   array    $contexts  An array of item contexts.
 *
 * @return  boolean  True if successful, false otherwise and internal error is set.
 *
 * @since	1.7
 */
protected function batchMove($value, $pks, $contexts)
{
    // Initialize re-usable member properties, and re-usable local variables
    $this->initBatch();
    $categoryId = (int) $value;
    if (!$this->checkCategoryId($categoryId)) {
        return false;
    }
    // Parent exists so we proceed
    foreach ($pks as $pk) {
        if (!$this->user->authorise('core.edit', $contexts[$pk])) {
            $this->setError(Text::_('JLIB_APPLICATION_ERROR_BATCH_CANNOT_EDIT'));
            return false;
        }
        // Check that the row actually exists
        if (!$this->table->load($pk)) {
            if ($error = $this->table->getError()) {
                // Fatal error
                $this->setError($error);
                return false;
            } else {
                // Not fatal error
                $this->setError(Text::sprintf('JLIB_APPLICATION_ERROR_BATCH_MOVE_ROW_NOT_FOUND', $pk));
                continue;
            }
        }
        // Set the new category ID
        $this->table->catid = $categoryId;
        $event = new BeforeBatchEvent($this->event_before_batch, ['src' => $this->table, 'type' => 'move']);
        $this->dispatchEvent($event);
        // Check the row.
        if (!$this->table->check()) {
            $this->setError($this->table->getError());
            return false;
        }
        // Store the row.
        if (!$this->table->store()) {
            $this->setError($this->table->getError());
            return false;
        }
    }
    // Clean the cache
    $this->cleanCache();
    return true;
}