Drupal6的简单寻呼机脚本

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All code should ideally go into your theme\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s template.php file. I\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'ve used the default Garland theme here as an example.
  1. /**
  2.  * Return themed pager using same markup and CSS classes as the standard Drupal pager.
  3.  *
  4.  * @param $total_pages total no. of pages.
  5.  * @param $current_page the current page being viewed (1 <= $current_page <= $total_pages).
  6.  * @param $num_pages_to_show no. of pages links for, excluding first, next, previous and last links .
  7.  * @param $base_url the base URL for paging links. Each paging link will be at $base_url?page=<page_num>
  8.  * @return themed paging links; empty string if there is only one page in total.
  9.  */
  10. function garland_simple_pager_links($total_pages, $current_page, $num_pages_to_show, $base_url) {
  11.  
  12. static $buttons;
  13. if (empty($buttons)) {
  14. $buttons = array(
  15. 'first' => array('text' => t('&laquo; first'), 'link_tooltip' => t('Go to first page')),
  16. 'prev' => array('text' => t('&lsaquo; previous'), 'link_tooltip' => t('Go to previous page')),
  17. 'next' => array('text' => t('next &rsaquo;'), 'link_tooltip' => t('Go to next page')),
  18. 'last' => array('text' => t('last &raquo;'), 'link_tooltip' => t('Go to last page')),
  19. 'current' => array('class' => 'current'),
  20. 'ellipsis' => array('text' => '...'),
  21. );
  22. }
  23.  
  24. // show nothing if only one page
  25. if (1 >= $total_pages)
  26. return '';
  27.  
  28. // remove all query params from the base URL
  29. $base_url = ltrim($base_url,'/');
  30.  
  31. // the first page in current set of pages
  32. $pager_first = $current_page - intval($num_pages_to_show / 2);
  33. // the last page in current set of pages
  34. $pager_last = $current_page + intval($num_pages_to_show / 2);
  35.  
  36. // normalize
  37. if (1 > $pager_first) {
  38. $pager_last += (1 - $pager_first);
  39. $pager_first = 1;
  40. }
  41. if ($total_pages < $pager_last) {
  42. $pager_first -= ($pager_last - $total_pages);
  43. if (1 > $pager_first)
  44. $pager_first = 1;
  45. $pager_last = $total_pages;
  46. }
  47.  
  48. $items = array();
  49.  
  50. // show 'prev' button
  51. if (1 < $current_page) {
  52. // show 'first' button
  53. if (1 < $pager_first) {
  54. $items[] = array(
  55. 'class' => 'pager-first',
  56. 'data' => theme('simple-pager-link', $base_url, 1, $buttons['first']),
  57. );
  58. }
  59. $items[] = array(
  60. 'class' => 'pager-previous',
  61. 'data' => theme('simple-pager-link', $base_url, $current_page-1, $buttons['prev']),
  62. );
  63. // show ellipsis
  64. if (1 < $pager_first) {
  65. $items[] = array(
  66. 'class' => 'pager-ellipsis',
  67. 'data' => theme('simple-pager-link', $base_url, '...', $buttons['ellipsis']),
  68. );
  69. }
  70. }
  71.  
  72. // page links
  73. for ($i=$pager_first; $i<=$pager_last; ++$i) {
  74. if ($i == $current_page) {
  75. $items[] = array(
  76. 'class' => 'pager-current',
  77. 'data' => theme('simple-pager-link', $base_url, $i, $buttons['current']),
  78. );
  79. } else {
  80. $items[] = array(
  81. 'class' => 'pager-item',
  82. 'data' => theme('simple-pager-link', $base_url, $i, array('text' => $i, 'link_tooltip' => t('Goto page @d',array('@d' => $i)))),
  83. );
  84. }
  85. }
  86.  
  87. // show 'next' button
  88. if ($total_pages > $current_page) {
  89. // show ellipsis
  90. if ($total_pages > $pager_last) {
  91. $items[] = array(
  92. 'class' => 'pager-ellipsis',
  93. 'data' => theme('simple-pager-link', $base_url, '...', $buttons['ellipsis']),
  94. );
  95. }
  96. $items[] = array(
  97. 'class' => 'pager-next',
  98. 'data' => theme('simple-pager-link', $base_url, $current_page+1, $buttons['next']),
  99. );
  100. // show 'last' button
  101. if ($total_pages > $pager_last) {
  102. $items[] = array(
  103. 'class' => 'pager-last',
  104. 'data' => theme('simple-pager-link', $base_url, $total_pages, $buttons['last']),
  105. );
  106. }
  107. }
  108.  
  109. return theme('item_list', $items, NULL, 'ul', array('class' => 'pager'));
  110. }
  111.  
  112.  
  113. /**
  114.  * Return a themed pager link.
  115.  *
  116.  * @param $base_url the base URL to add the paging query param to.
  117.  * @param $page the number of the page to link to.
  118.  * @param $button_attributes array('link_tooltip' =>, 'text' => 'class' =>).
  119.  * If 'link_tooltip' is ommitted then the text is returned witout a wrapping anchor. If 'text' is ommitted then
  120.  * $page is used as the link text.
  121.  *
  122.  * @return themed pager link.
  123.  * @see garland_pager_link()
  124.  */
  125. function garland_simple_pager_link($base_url, $page, $button_attributes) {
  126.  
  127. $text = isset($button_attributes['text']) ? $button_attributes['text'] : $page;
  128.  
  129. $attributes = array(
  130. 'title' => (isset($button_attributes['link_tooltip']) ? $button_attributes['link_tooltip'] : ''),
  131. );
  132. if (isset($button_attributes['class']))
  133. $attributes['class'] = $button_attributes['class'];
  134.  
  135. if (isset($button_attributes['link_tooltip'])) {
  136. return '<a href="'. check_url(url($base_url, array('query' => array('page' => $page)))) .'"'. drupal_attributes($attributes) .'>'. $text .'</a>';
  137. } else {
  138. return $text;
  139. }
  140. }
  141.  
  142.  
  143. // Amend you theme's theme() method accordingly, as I've done below for Garland:
  144.  
  145. function garland_theme($existing, $type, $theme, $path) {
  146. return array(
  147. 'simple-pager-links' => array(
  148. 'arguments' => array(NULL, NULL, NULL, NULL),
  149. 'function' => 'garland_simple_pager_links',
  150. ),
  151. 'simple-pager-link' => array(
  152. 'arguments' => array(NULL, NULL, NULL),
  153. 'function' => 'garland_simple_pager_link',
  154. )
  155. );
  156. }

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