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   1  <?php
   2  /*

   3        QT Pro Version 4.1

   4    

   5        pad_single_dropdown.php

   6    

   7        Contribution extension to:

   8          osCMax Power E-Commerce

   9          http://oscdox.com

  10       

  11        Copyright 2006 osCMax2004, 2005 Ralph Day

  12        Released under the GNU General Public License

  13    

  14        Based on prior works released under the GNU General Public License:

  15          QT Pro & CPIL prior versions

  16            Ralph Day, October 2004

  17            Tom Wojcik aka TomThumb 2004/07/03 based on work by Michael Coffman aka coffman

  18            FREEZEHELL - 08/11/2003 [email protected] Copyright 2006 osCMax2003 IBWO

  19            Joseph Shain, January 2003

  20          osCommerce MS2

  21            Copyright 2006 osCMax

  22        Modifications made:

  23            11/2004 - Created

  24            12/2004 - Fix _draw_out_of_stock_message_js to add semicolon to end of js stock array

  25            03/2005 - Remove '&' for pass by reference from parameters to call of

  26                      _build_attributes_combinations.  Only needed on method definition and causes

  27                      error messages on some php versions/configurations

  28    

  29  *******************************************************************************************

  30    

  31        QT Pro Product Attributes Display Plugin

  32    

  33        pad_single_dropdown.php - Display stocked product attributes as a single dropdown with entries

  34                                  for each possible combination of attributes.

  35    

  36        Class Name: pad_single_dropdown

  37    

  38        This class generates the HTML to display product attributes.  First, product attributes that

  39        stock is tracked for are displayed in a single dropdown list with entries for each possible

  40        combination of attributes..  Then attributes that stock is not tracked for are displayed,

  41        each attribute in its own dropdown list.

  42    

  43        Methods overidden or added:

  44    

  45          _draw_stocked_attributes            draw attributes that stock is tracked for

  46          _draw_out_of_stock_message_js       draw Javascript to display out of stock message for out of

  47                                              stock attribute combinations

  48    

  49  */
  50    require_once (DIR_WS_CLASSES . 'pad_base.php');
  51  
  52    class pad_single_dropdown extends pad_base {
  53  
  54  
  55  /*

  56      Method: _draw_stocked_attributes

  57    

  58      draw dropdown lists for attributes that stock is tracked for

  59  

  60    

  61      Parameters:

  62    

  63        none

  64    

  65      Returns:

  66    

  67        string:         HTML to display dropdown lists for attributes that stock is tracked for

  68    

  69  */
  70      function _draw_stocked_attributes() {
  71        global $languages_id;
  72        
  73        $out='';
  74        
  75        $attributes = $this->_build_attributes_array(true, false);
  76        if (sizeof($attributes)>0) {
  77          $combinations = array();
  78          $selected_combination = 0;
  79          $this->_build_attributes_combinations($attributes, $this->show_out_of_stock == 'True', $this->mark_out_of_stock, $combinations, $selected_combination);
  80          
  81          $combname='';
  82          foreach ($attributes as $attrib) {
  83            $combname.=', '.$attrib['oname'];
  84          }
  85          $combname=substr($combname,2).':';
  86          
  87          $out.="<tr>\n";
  88          $out.='  <td align="right" class=main><b>'.$combname."</b></td>\n  <td class=main>";
  89          $out.=tep_draw_pull_down_menu('attrcomb', $combinations, $combinations[$selected_combination]['id']);
  90          $out.="</td>\n";
  91          $out.="</tr>\n";
  92        }
  93        
  94        $out.=$this->_draw_out_of_stock_message_js($attributes);
  95        
  96        return $out;
  97      }
  98  
  99  
 100  /*

 101      Method: _draw_out_of_stock_message_js

 102    

 103      draw Javascript to display out of stock popup message if an attempt is made to add an out of

 104      stock attribute combination to the cart

 105  

 106    

 107      Parameters:

 108    

 109        $attributes     array   Array of attributes for the product.  Format is as returned by

 110                                _build_attributes_array.

 111    

 112      Returns:

 113    

 114        string:         Javascript to display out of stock message for out of stock attribute combinations

 115    

 116  */
 117      function _draw_out_of_stock_message_js($attributes) {
 118        $out='';
 119        $out.="<tr><td>&nbsp</td><td>&nbsp\n";
 120    
 121        if (($this->show_out_of_stock == 'True') && ($this->no_add_out_of_stock == 'True')) {
 122          $out.="<SCRIPT LANGUAGE=\"JavaScript\"><!--\n";
 123          $combinations = array();
 124          $selected_combination = 0;
 125          $this->_build_attributes_combinations($attributes, false, 'None', $combinations, $selected_combination);
 126          
 127          $out.="  function chkstk(frm) {\n";
 128        
 129          // build javascript array of in stock combinations of the form

 130          // {optval1:{optval2:{optval3:1,optval3:1}, optval2:{optval3:1}}, optval1:{optval2:{optval3:1}}};

 131          $out.="    var stk=".$this->_draw_js_stock_array($combinations).";\n";
 132          $out.="    var instk=false;\n";
 133        
 134          // build javascript to extract attribute values and check stock  

 135          $out.="    if (frm.attrcomb.type=='select-one') {\n";
 136          $out.="      var attrs=frm.attrcomb.value.split(',');\n";
 137          $out.="    }\n";
 138          $out.="    else {\n";
 139          $out.="      for (i=0; i,frm.attrcomb.length; i++) {\n";
 140          $out.="        if (frm.attrcomb[i].checked) {\n";
 141          $out.="          var attrs=frm.attrcomb[i].value.split(',');\n";
 142          $out.="          break;\n";
 143          $out.="        }\n";
 144          $out.="      }\n";
 145          $out.="    }\n";
 146          $out.="    var id=Array(" . sizeof($attributes) . ");\n";
 147          $out.="    for (i=0; i<attrs.length; i++) {\n";
 148          $out.="      id[i]=attrs[i].split('-')[1];\n";
 149          $out.="    }\n";
 150          $out.='    ';
 151          for ($i=0; $i<sizeof($attributes); $i++) {
 152            $out.='if (stk';
 153            for ($j=0; $j<=$i; $j++) {
 154              $out.="[id[".$j."]]";
 155            }
 156            $out.=') ';
 157          }
 158          
 159          $out.="instk=true;\n";
 160          $out.="  return instk;\n";
 161          $out.="  }\n";
 162  
 163          if ($this->no_add_out_of_stock == 'True') {
 164            // js to not allow add to cart if selection is out of stock

 165            $out.="  function chksel() {\n";
 166            $out.="    var instk=chkstk(document.cart_quantity);\n";
 167            $out.="    if (!instk) alert('".TEXT_OUT_OF_STOCK_MESSAGE."');\n";
 168            $out.="    return instk;\n";
 169            $out.="  }\n";
 170            $out.="  document.cart_quantity.onsubmit=chksel;\n";
 171          }
 172          $out.="//--></SCRIPT>\n";
 173        }
 174        $out.="</td></tr>\n";
 175        
 176        return $out;
 177      }
 178  
 179    }
 180  ?>