application/views/js/pagination.js

   1 $(document).ready(function() {
   2         var focused_field = false;
   3         $('.show_pagination').each(function() {
   4                 $(this).bind('click', function() {
   5                         set_items_per_page();
   6                 });
   7         });
   8
   9         $('#pagination_id_1').bind('focus', function() {
  10                 focused_field = $(this).attr('id');
  11         });
  12         $('#pagination_id_2').bind('focus', function() {
  13                 focused_field = $(this).attr('id');
  14         });
  15
  16         $('#pagination_id_1').bind('change', function() {
  17                 propagate_val($(this).val());
  18         });
  19         $('#pagination_id_2').bind('change', function() {
  20                 focused_field = $(this).attr('id');
  21                 propagate_val($(this).val());
  22         });
  23
  24         // check if we have a customized items_per_page
  25         var url = location.search;
  26         var cust_val = $.query.get('custom_pagination_field');
  27         if (cust_val) {
  28                 // do we have an option with this value?
  29                 value_exists(cust_val); // added if not
  30         }
  31
  32         $('.pagination_form').bind('submit', function() {
  33                 preserve_get_params($('#' + focused_field).attr('value'));
  34         });
  35
  36 });
  37
  38 function set_items_per_page()
  39 {
  40         // submit form
  41         $('.pagination_form').trigger('submit');
  42 }
  43
  44 function preserve_get_params(custom_val, sel_id)
  45 {
  46         if (custom_val != false && typeof custom_val != 'undefined' && custom_val != 'sel') {
  47                 propagate_val(custom_val);
  48         } else {
  49                 if (custom_val == 'sel') {
  50                         propagate_val($('#' + sel_id).val());
  51                 }
  52         }
  53
  54         // make sure we don't loose GET variables from current query string
  55         if ($.query.keys) {
  56                 for (var key in $.query.keys) {
  57                         if (key != 'items_per_page' && key!= 'custom_pagination_field' && key!='result') {
  58                                 if("object" == typeof $.query.keys[key] && !($.query.keys[key] instanceof Array)) {
  59                                         // only iterate true objects' properties by; 1) check type, and; 2) exclude arrays
  60                                         // (which in javascript also are typeof === object... sigh)
  61                                         $.each($.query.keys[key], function(index) {
  62                                                 var val = $.query.keys[key][index];
  63                                                 if (val === true)
  64                                                         val = '';
  65                                                 $('.pagination_form').append('<input type="hidden" name="' + key + '['+index+']" value="' + val + '">');
  66                                         });
  67                                 } else {
  68                                         var val = $.query.keys[key];
  69                                         if (val === true)
  70                                                 val = '';
  71                                         $('.pagination_form').append('<input type="hidden" name="' + key + '" value="' + val + '">');
  72                                 }
  73                         }
  74                 }
  75         }
  76 }
  77
  78 function propagate_val(val)
  79 {
  80         val = parseInt(val, '10');
  81         if (isNaN(val)) {
  82                 var cust_val = $.query.get('custom_pagination_field');
  83                 cust_val = cust_val ? cust_val : 100;
  84                 propagate_val(cust_val);
  85                 return false;
  86         }
  87         $('.custom_pagination_field').each(function() {
  88                 $(this).val(val);
  89                 value_exists(val);
  90         });
  91 }
  92
  93 function value_exists(val)
  94 {
  95         $('.items_per_page').each(function() {
  96                 if (! $(this).containsOption(val) ) {
  97                         pagination_add_option(val);
  98                 }
  99                 $(this).selectOptions(val);
 100         });
 101 }
 102
 103 function pagination_add_option(val)
 104 {
 105         val = parseInt(val, '10');
 106         if (isNaN(val)) {
 107                 return false;
 108         }
 109         if (val < 0) {
 110                 val = val*-1;
 111         }
 112         var entries_str = $('.pagination_entries_str').html();
 113         $('.items_per_page').each(function() {
 114                 $(this).addOption(val, val + ' ' + entries_str);
 115                 //$(this).sortOptions(); // this is not working as of now since sorting is string based :(
 116         });
 117 }