<?php

/**
 * Views Litepager module
 */

/**
 * Implements hook_views_api().
 */
function views_litepager_views_api() {
  return array(
    'api' => 3.0,
  );
}


/**
 * Implements hook_theme().
 */
function views_litepager_theme() {
  return array(
    'pager_lite' => array(
      'variables' => array('tags' => array(), 'element' => 0, 'parameters' => array()),
    ),
    'pager_lite_next' => array(
      'variables' => array('text' => NULL, 'element' => 0, 'interval' => 1, 'parameters' => array()),
    ),
  );
}

function theme_pager_lite($variables) {
  $tags = $variables['tags'];
  $element = $variables['element'];
  $parameters = $variables['parameters'];
  global $pager_page_array, $pager_total;

  // current is the page we are currently paged to
  $pager_current = $pager_page_array[$element] + 1;


  $li_previous = theme('pager_previous', array('text' => (isset($tags[1]) ? $tags[1] : t('‹‹')), 'element' => $element, 'interval' => 1, 'parameters' => $parameters));
  if (empty($li_previous)) {
    $li_previous = "&nbsp;";
  }

  $li_next = theme('pager_lite_next', array('text' => (isset($tags[3]) ? $tags[3] : t('››')), 'element' => $element, 'interval' => 1, 'parameters' => $parameters));
  if (empty($li_next)) {
    $li_next = "&nbsp;";
  }

  $items[] = array(
    'class' => array('pager-previous'),
    'data' => $li_previous,
  );

  $items[] = array(
    'class' => array('pager-current'),
    'data' => format_plural($pager_current, 'Page 1', 'Page @count'),
  );

  $items[] = array(
    'class' => array('pager-next'),
    'data' => $li_next,
  );
  return theme('item_list', array(
    'items' => $items,
    'title' => NULL,
    'type' => 'ul',
    'attributes' => array('class' => array('pager')),
    )
  );
}

function theme_pager_lite_next($variables) {
  $text = $variables['text'];
  $element = $variables['element'];
  $interval = $variables['interval'];
  $parameters = $variables['parameters'];

  global $pager_page_array, $pager_total;
  $output = '';

  // If we are anywhere but the last page
  if ($pager_page_array[$element] <= ($pager_total[$element] - 1) || $pager_page_array[$element] == 0) {
    $page_new = pager_load_array($pager_page_array[$element] + $interval, $element, $pager_page_array);
    // If the next page is the last page, mark the link as such.
    if ($pager_page_array[$element] == $pager_total[$element]) {
      $output = theme('pager_last', array('text' => $text, 'element' => $element, 'parameters' => $parameters));
    }
    // The next page is not the last page.
    else {
      $output = theme('pager_link', array('text' => $text, 'page_new' => $page_new, 'element' => $element, 'parameters' => $parameters));
    }
  }

  return $output;
}