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root / drupal7 / sites / all / modules / views / handlers / views_handler_field_counter.inc @ 8be7bf84

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<?php
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/**
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 * @file
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 * Definition of views_handler_field_counter.
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 */
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/**
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 * Field handler to show a counter of the current row.
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 *
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 * @ingroup views_field_handlers
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 */
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class views_handler_field_counter extends views_handler_field {
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  /**
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   * {@inheritdoc}
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   */
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  public function option_definition() {
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    $options = parent::option_definition();
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    $options['counter_start'] = array('default' => 1);
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    $options['reverse'] = array('default' => FALSE);
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    return $options;
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  }
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  /**
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   * {@inheritdoc}
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   */
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  public function options_form(&$form, &$form_state) {
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    $form['counter_start'] = array(
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      '#type' => 'textfield',
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      '#title' => t('Starting value'),
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      '#default_value' => $this->options['counter_start'],
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      '#description' => t('Specify the number the counter should start at.'),
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      '#size' => 2,
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    );
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    $form['reverse'] = array(
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      '#type' => 'checkbox',
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      '#title' => t('Reverse'),
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      '#default_value' => $this->options['reverse'],
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      '#description' => t('Reverse the counter.'),
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    );
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    parent::options_form($form, $form_state);
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  }
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  /**
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   * {@inheritdoc}
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   */
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  public function query() {
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    // Do nothing -- to override the parent query.
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  }
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  /**
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   * {@inheritdoc}
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   */
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  public function render($values) {
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    $reverse = empty($this->options['reverse']) ? 1 : -1;
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    // Note: 1 is subtracted from the counter start value below because the
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    // counter value is incremented by 1 at the end of this function.
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    $counter_start = is_numeric($this->options['counter_start']) ? $this->options['counter_start'] : 0;
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    $count = ($reverse == -1) ? count($this->view->result) + $counter_start : $counter_start - 1;
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    $pager = $this->view->query->pager;
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    // Get the base count of the pager.
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    if ($pager->use_pager()) {
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      if ($reverse == -1) {
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        $count = ($pager->total_items + $counter_start - ($pager->get_current_page() * $pager->get_items_per_page()) + $pager->get_offset());
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      }
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      else {
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        $count += (($pager->get_items_per_page() * $pager->get_current_page() + $pager->get_offset())) * $reverse;
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      }
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    }
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    // Add the counter for the current site.
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    $count += ($this->view->row_index + 1) * $reverse;
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    return $count;
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  }
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}