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PHP Script  |  2008-07-02  |  2.4 KB  |  100 lines
  1. <?php
  2.  
  3. class Text_Wiki_Render_Latex_Table extends Text_Wiki_Render {
  4.     var $cell_id    = 0;
  5.     var $cell_count = 0;
  6.     var $is_spanning = false;
  7.  
  8.     var $conf = array(
  9.                       'css_table' => null,
  10.                       'css_tr' => null,
  11.                       'css_th' => null,
  12.                       'css_td' => null
  13.                       );
  14.  
  15.     /**
  16.      *
  17.      * Renders a token into text matching the requested format.
  18.      *
  19.      * @access public
  20.      *
  21.      * @param array $options The "options" portion of the token (second
  22.      * element).
  23.      *
  24.      * @return string The text rendered from the token options.
  25.      *
  26.      */
  27.  
  28.     function token($options)
  29.     {
  30.         // make nice variable names (type, attr, span)
  31.         extract($options);
  32.  
  33.         switch ($type)
  34.             {
  35.             case 'table_start':
  36.                 $this->cell_count = $cols;
  37.  
  38.                 $tbl_start = '\begin{tabular}{|';
  39.                 for ($a=0; $a < $this->cell_count; $a++) {
  40.                     $tbl_start .= 'l|';
  41.                 }
  42.                 $tbl_start .= "}\n";
  43.  
  44.                 return $tbl_start;
  45.  
  46.             case 'table_end':
  47.                 return "\\hline\n\\end{tabular}\n";
  48.  
  49.             case 'caption_start':
  50.                 return "\\caption{";
  51.  
  52.             case 'caption_end':
  53.                 return "}\n";
  54.  
  55.             case 'row_start':
  56.                 $this->is_spanning = false;
  57.                 $this->cell_id = 0;
  58.                 return "\\hline\n";
  59.  
  60.             case 'row_end':
  61.                 return "\\\\\n";
  62.  
  63.             case 'cell_start':
  64.                 if ($span > 1) {
  65.                     $col_spec = '';
  66.                     if ($this->cell_id == 0) {
  67.                         $col_spec = '|';
  68.                     }
  69.                     $col_spec .= 'l|';
  70.  
  71.                     $this->cell_id += $span;
  72.                     $this->is_spanning = true;
  73.  
  74.                     return '\multicolumn{' . $span . '}{' . $col_spec . '}{';
  75.                 }
  76.  
  77.                 $this->cell_id += 1;
  78.                 return '';
  79.  
  80.             case 'cell_end':
  81.                 $out = '';
  82.                 if ($this->is_spanning) {
  83.                     $this->is_spanning = false;
  84.                     $out = '}';
  85.                 }
  86.  
  87.                 if ($this->cell_id != $this->cell_count) {
  88.                     $out .= ' & ';
  89.                 }
  90.  
  91.                 return $out;
  92.  
  93.             default:
  94.                 return '';
  95.  
  96.             }
  97.     }
  98. }
  99. ?>
  100.