[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3  * @version $Id: pageNavigation.php 5832 2006-11-21 18:59:45Z Saka $
   4  * @package Joomla
   5  * @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
   6  * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
   7  * Joomla! is free software. This version may have been modified pursuant
   8  * to the GNU General Public License, and as distributed it includes or
   9  * is derivative of works licensed under the GNU General Public License or
  10  * other free or open source software licenses.
  11  * See COPYRIGHT.php for copyright notices and details.
  12  */
  13  
  14  // no direct access
  15  defined( '_VALID_MOS' ) or die( 'Restricted access' );
  16  
  17  /**
  18  * Page navigation support class
  19  * @package Joomla
  20  */
  21  class mosPageNav {
  22      /** @var int The record number to start dislpaying from */
  23      var $limitstart = null;
  24      /** @var int Number of rows to display per page */
  25      var $limit         = null;
  26      /** @var int Total number of rows */
  27      var $total         = null;
  28  
  29  	function mosPageNav( $total, $limitstart, $limit ) {
  30          $this->total         = (int) $total;
  31          $this->limitstart     = (int) max( $limitstart, 0 );
  32          $this->limit         = (int) max( $limit, 1 );
  33          if ($this->limit > $this->total) {
  34              $this->limitstart = 0;
  35          }
  36          if (($this->limit-1)*$this->limitstart > $this->total) {
  37              $this->limitstart -= $this->limitstart % $this->limit;
  38          }
  39      }
  40      /**
  41      * @return string The html for the limit # input box
  42      */
  43  	function getLimitBox () {
  44          $limits = array();
  45          for ($i=5; $i <= 30; $i+=5) {
  46              $limits[] = mosHTML::makeOption( "$i" );
  47          }
  48          $limits[] = mosHTML::makeOption( "50" );
  49  
  50          // build the html select list
  51          $html = mosHTML::selectList( $limits, 'limit', 'class="inputbox" size="1" onchange="document.adminForm.submit();"',
  52          'value', 'text', $this->limit );
  53          $html .= "\n<input type=\"hidden\" name=\"limitstart\" value=\"$this->limitstart\" />";
  54          return $html;
  55      }
  56      /**
  57      * Writes the html limit # input box
  58      */
  59  	function writeLimitBox () {
  60          echo mosPageNav::getLimitBox();
  61      }
  62  	function writePagesCounter() {
  63          echo $this->getPagesCounter();
  64      }
  65      /**
  66      * @return string The html for the pages counter, eg, Results 1-10 of x
  67      */
  68  	function getPagesCounter() {
  69          $html = '';
  70          $from_result = $this->limitstart+1;
  71          if ($this->limitstart + $this->limit < $this->total) {
  72              $to_result = $this->limitstart + $this->limit;
  73          } else {
  74              $to_result = $this->total;
  75          }
  76          if ($this->total > 0) {
  77              $html .= "\nResults " . $from_result . " - " . $to_result . " of " . $this->total;
  78          } else {
  79              $html .= "\nNo records found.";
  80          }
  81          return $html;
  82      }
  83      /**
  84      * Writes the html for the pages counter, eg, Results 1-10 of x
  85      */
  86  	function writePagesLinks() {
  87          echo $this->getPagesLinks();
  88      }
  89      /**
  90      * @return string The html links for pages, eg, previous, next, 1 2 3 ... x
  91      */
  92  	function getPagesLinks() {
  93          $html                 = '';
  94          $displayed_pages     = 10;
  95          $total_pages         = ceil( $this->total / $this->limit );
  96          $this_page             = ceil( ($this->limitstart+1) / $this->limit );
  97          $start_loop         = (floor(($this_page-1)/$displayed_pages))*$displayed_pages+1;
  98          if ($start_loop + $displayed_pages - 1 < $total_pages) {
  99              $stop_loop = $start_loop + $displayed_pages - 1;
 100          } else {
 101              $stop_loop = $total_pages;
 102          }
 103  
 104          if ($this_page > 1) {
 105              $page = ($this_page - 2) * $this->limit;
 106              $html .= "\n<a href=\"#beg\" class=\"pagenav\" title=\"first page\" onclick=\"javascript: document.adminForm.limitstart.value=0; document.adminForm.submit();return false;\">&lt;&lt;&nbsp;Start</a>";
 107              $html .= "\n<a href=\"#prev\" class=\"pagenav\" title=\"previous page\" onclick=\"javascript: document.adminForm.limitstart.value=$page; document.adminForm.submit();return false;\">&lt;&nbsp;Previous</a>";
 108          } else {
 109              $html .= "\n<span class=\"pagenav\">&lt;&lt;&nbsp;Start</span>";
 110              $html .= "\n<span class=\"pagenav\">&lt;&nbsp;Previous</span>";
 111          }
 112  
 113          for ($i=$start_loop; $i <= $stop_loop; $i++) {
 114              $page = ($i - 1) * $this->limit;
 115              if ($i == $this_page) {
 116                  $html .= "\n<span class=\"pagenav\"> $i </span>";
 117              } else {
 118                  $html .= "\n<a href=\"#$i\" class=\"pagenav\" onclick=\"javascript: document.adminForm.limitstart.value=$page; document.adminForm.submit();return false;\"><strong>$i</strong></a>";
 119              }
 120          }
 121  
 122          if ($this_page < $total_pages) {
 123              $page = $this_page * $this->limit;
 124              $end_page = ($total_pages-1) * $this->limit;
 125              $html .= "\n<a href=\"#next\" class=\"pagenav\" title=\"next page\" onclick=\"javascript: document.adminForm.limitstart.value=$page; document.adminForm.submit();return false;\"> Next&nbsp;&gt;</a>";
 126              $html .= "\n<a href=\"#end\" class=\"pagenav\" title=\"end page\" onclick=\"javascript: document.adminForm.limitstart.value=$end_page; document.adminForm.submit();return false;\"> End&nbsp;&gt;&gt;</a>";
 127          } else {
 128              $html .= "\n<span class=\"pagenav\">Next&nbsp;&gt;</span>";
 129              $html .= "\n<span class=\"pagenav\">End&nbsp;&gt;&gt;</span>";
 130          }
 131          return $html;
 132      }
 133  
 134  	function getListFooter() {
 135          $html = '<table class="adminlist"><tr><th colspan="3">';
 136          $html .= $this->getPagesLinks();
 137          $html .= '</th></tr><tr>';
 138          $html .= '<td nowrap="nowrap" width="48%" align="right">Display #</td>';
 139          $html .= '<td>' .$this->getLimitBox() . '</td>';
 140          $html .= '<td nowrap="nowrap" width="48%" align="left">' . $this->getPagesCounter() . '</td>';
 141          $html .= '</tr></table>';
 142            return $html;
 143      }
 144  /**
 145  * @param int The row index
 146  * @return int
 147  */
 148  	function rowNumber( $i ) {
 149          return $i + 1 + $this->limitstart;
 150      }
 151  /**
 152  * @param int The row index
 153  * @param string The task to fire
 154  * @param string The alt text for the icon
 155  * @return string
 156  */
 157  	function orderUpIcon( $i, $condition=true, $task='orderup', $alt='Move Up' ) {
 158          if (($i > 0 || ($i+$this->limitstart > 0)) && $condition) {
 159              return '<a href="#reorder" onClick="return listItemTask(\'cb'.$i.'\',\''.$task.'\')" title="'.$alt.'">
 160                  <img src="images/uparrow.png" width="12" height="12" border="0" alt="'.$alt.'">
 161              </a>';
 162            } else {
 163                return '&nbsp;';
 164          }
 165      }
 166  /**
 167  * @param int The row index
 168  * @param int The number of items in the list
 169  * @param string The task to fire
 170  * @param string The alt text for the icon
 171  * @return string
 172  */
 173  	function orderDownIcon( $i, $n, $condition=true, $task='orderdown', $alt='Move Down' ) {
 174          if (($i < $n-1 || $i+$this->limitstart < $this->total-1) && $condition) {
 175              return '<a href="#reorder" onClick="return listItemTask(\'cb'.$i.'\',\''.$task.'\')" title="'.$alt.'">
 176                  <img src="images/downarrow.png" width="12" height="12" border="0" alt="'.$alt.'">
 177              </a>';
 178            } else {
 179                return '&nbsp;';
 180          }
 181      }
 182  
 183      /**
 184       * @param int The row index
 185       * @param string The task to fire
 186       * @param string The alt text for the icon
 187       * @return string
 188       */
 189  	function orderUpIcon2( $id, $order, $condition=true, $task='orderup', $alt='#' ) {
 190          // handling of default value
 191          if ($alt = '#') {
 192              $alt = 'Move Up';
 193          }
 194  
 195          if ($order == 0) {
 196              $img = 'uparrow0.png';
 197              $show = true;
 198          } else if ($order < 0) {
 199              $img = 'uparrow-1.png';
 200              $show = true;
 201          } else {
 202              $img = 'uparrow.png';
 203              $show = true;
 204          };
 205          if ($show) {
 206              $output = '<a href="#ordering" onClick="listItemTask(\'cb'.$id.'\',\'orderup\')" title="'. $alt .'">';
 207              $output .= '<img src="images/' . $img . '" width="12" height="12" border="0" alt="'. $alt .'" title="'. $alt .'" /></a>';
 208  
 209              return $output;
 210             } else {
 211                return '&nbsp;';
 212          }
 213      }
 214  
 215      /**
 216       * @param int The row index
 217       * @param int The number of items in the list
 218       * @param string The task to fire
 219       * @param string The alt text for the icon
 220       * @return string
 221       */
 222  	function orderDownIcon2( $id, $order, $condition=true, $task='orderdown', $alt='#' ) {
 223          // handling of default value
 224          if ($alt = '#') {
 225              $alt = 'Move Down';
 226          }
 227  
 228          if ($order == 0) {
 229              $img = 'downarrow0.png';
 230              $show = true;
 231          } else if ($order < 0) {
 232              $img = 'downarrow-1.png';
 233              $show = true;
 234          } else {
 235              $img = 'downarrow.png';
 236              $show = true;
 237          };
 238          if ($show) {
 239              $output = '<a href="#ordering" onClick="listItemTask(\'cb'.$id.'\',\'orderdown\')" title="'. $alt .'">';
 240              $output .= '<img src="images/' . $img . '" width="12" height="12" border="0" alt="'. $alt .'" title="'. $alt .'" /></a>';
 241  
 242              return $output;
 243            } else {
 244                return '&nbsp;';
 245          }
 246      }
 247  
 248      /**
 249       * Sets the vars for the page navigation template
 250       */
 251  	function setTemplateVars( &$tmpl, $name = 'admin-list-footer' ) {
 252          $tmpl->addVar( $name, 'PAGE_LINKS', $this->getPagesLinks() );
 253          $tmpl->addVar( $name, 'PAGE_LIST_OPTIONS', $this->getLimitBox() );
 254          $tmpl->addVar( $name, 'PAGE_COUNTER', $this->getPagesCounter() );
 255      }
 256  }
 257  ?>