js/indexes.js

   1 /* vim: set expandtab sw=4 ts=4 sts=4: */
   2 /**
   3  * function used for index manipulation pages
   4  *
   5  */
   6
   7 /**
   8  * Hides/shows the inputs and submits appropriately depending
   9  * on whether the index type chosen is 'SPATIAL' or not.
  10  */
  11 function checkIndexType()
  12 {
  13     /**
  14      * @var Object Dropdown to select the index type.
  15      */
  16     $select_index_type = $('#select_index_type');
  17     /**
  18      * @var Object Table header for the size column.
  19      */
  20     $size_header = $('#index_columns thead tr th:nth-child(2)');
  21     /**
  22      * @var Object Inputs to specify the columns for the index.
  23      */
  24     $column_inputs = $('select[name="index[columns][names][]"]');
  25     /**
  26      * @var Object Inputs to specify sizes for columns of the index.
  27      */
  28     $size_inputs = $('input[name="index[columns][sub_parts][]"]');
  29     /**
  30      * @var Object Span containg the controllers to add more columns
  31      */
  32     $add_more = $('#addMoreColumns');
  33
  34     if ($select_index_type.val() == 'SPATIAL') {
  35         // Disable and hide the size column
  36         $size_header.hide();
  37         $size_inputs.each(function(){
  38             $(this)
  39                 .attr('disabled', true)
  40                 .parent('td').hide();
  41         });
  42
  43         // Disable and hide the columns of the index other than the first one
  44         var initial = true;
  45         $column_inputs.each(function() {
  46             $column_input = $(this);
  47             if (! initial) {
  48                 $column_input
  49                     .attr('disabled', true)
  50                     .parent('td').hide();
  51             } else {
  52                 initial = false;
  53             }
  54         });
  55
  56         // Hide controllers to add more columns
  57         $add_more.hide();
  58     } else {
  59         // Enable and show the size column
  60         $size_header.show();
  61         $size_inputs.each(function() {
  62             $(this)
  63                 .attr('disabled', false)
  64                 .parent('td').show();
  65         });
  66
  67         // Enable and show the columns of the index
  68         $column_inputs.each(function() {
  69             $(this)
  70                 .attr('disabled', false)
  71                 .parent('td').show();
  72         });
  73
  74         // Show controllers to add more columns
  75         $add_more.show();
  76     }
  77 }
  78
  79 /**#@+
  80  * @namespace   jQuery
  81  */
  82
  83 /**
  84  * @description <p>Ajax scripts for table index page</p>
  85  *
  86  * Actions ajaxified here:
  87  * <ul>
  88  * <li>Showing/hiding inputs depending on the index type chosen</li>
  89  * </ul>
  90  *
  91  * @name        document.ready
  92  * @memberOf    jQuery
  93  */
  94 $(document).ready(function() {
  95     checkIndexType();
  96     checkIndexName("index_frm");
  97     $('#select_index_type').live('change', function(event){
  98         event.preventDefault();
  99         checkIndexType();
 100         checkIndexName("index_frm");
 101     });
 102 });
 103
 104 /**#@- */