datatables date filter

Question

I have one Date column, formatted '17/03/2012'.

I would like to be able select a start and end date and if the 1 date column above is within this date range it will filter the column.

Below is the code im using:

        Start Date: <input type="text" id="dateStart" name="dateStart" size="30">
        End Date: <input type="text" id="dateend" name="dateend" size="30">

    <script type="text/javascript" charset="utf-8">

        $.fn.dataTableExt.afnFiltering.push(
            function( oSettings, aData, iDataIndex ) {
                var iFini = document.getElementById('dateStart').value;
                var iFfin = document.getElementById('dateend').value;
                var iStartDateCol = 2;
                var iEndDateCol = 2;

    iFini=iFini.substring(0,2) + iFini.substring(3,5)+ iFini.substring(6,10)
    iFfin=iFfin.substring(0,2) + iFfin.substring(3,5)+ iFfin.substring(6,10)       

    var datofini=aData[iStartDateCol].substring(0,2) + aData[iStartDateCol].substring(3,5)+ aData[iStartDateCol].substring(6,10);
    var datoffin=aData[iEndDateCol].substring(0,2) + aData[iEndDateCol].substring(3,5)+ aData[iEndDateCol].substring(6,10);


                if ( iFini == "" && iFfin == "" )
                {
                    return true;
                }
                else if ( iFini <= datofini && iFfin == "")
                {
                    return true;
                }
                else if ( iFfin >= datoffin && iFini == "")
                {
                    return true;
                }
                else if (iFini <= datofini && iFfin >= datoffin)
                {
                    return true;
                }
                return false;
            }
        );

$(function() {
    // Implements the dataTables plugin on the HTML table
    var $oTable= $("#example").dataTable( {
    "sDom": '<"top"><"clear">t<"bottom"i><"clear">',
        "iDisplayLength": 20,       
        "oLanguage": {
            "sLengthMenu": 'Show <select><option value="25">25</option><option value="50">50</option><option value="100">100</option><option value="200">200</option></select>'
        },
        "bJQueryUI": true,
        //"sPaginationType": "full_numbers",
        "aoColumns": [
                null,
                null,
                  { "sType": "date" }
        ]                    
        });    


    $('#dateStart, #dateend').daterangepicker(
        {
        dateFormat: 'dd/mm/yy',
        arrows: true
    }

    );        


    /* Add event listeners to the two range filtering inputs */
    $('#dateStart').keyup( function() { oTable.fnDraw(); } );
    $('#dateend').keyup( function() { oTable.fnDraw(); } );

    /* Add event listeners to the two range filtering inputs */
    $('#dateStart').change( function() { oTable.fnDraw(); } );
    $('#dateend').change( function() { oTable.fnDraw(); } );

    /* Add event listeners to the two range filtering inputs */
    $('#name').keyup( function() { oTable.fnDraw(); } );
    $('#name').change( function() { oTable.fnDraw(); } );
});

    </script>

Any help advice on this would bve extremely helpful. Thanks in advance.

Answer 1

I think the example that's shown in the filter API page will do the trick:

$(document).ready(function() {
    var oTable = $('#example').dataTable();

    /* Add event listeners to the two range filtering inputs */
    $('#min').keyup( function() { oTable.fnDraw(); } );
    $('#max').keyup( function() { oTable.fnDraw(); } );
} );

What the range filtering extension you've included up above is looking for is a set of input boxes (probably datepicker style textboxes would work best). You should give them the ID's, by what I see in your code, dateStart and dateend. Then you can bind function() { oTable.fnDraw(); } to some event on either of those boxes ( like in the code above, they're bound to the keyup event) or it could be a filter button or whatever.

But now, each time that the table is drawn (using fnDraw()) it will take into account those dates and filter your zero-based iStartDateCol and iEndDateCol columns based on that range.

UPDATE: a more direct answer - just include the following in your document.ready function:

$('#dateStart').keyup( function() { oTable.fnDraw(); } );
$('#dateend').keyup( function() { oTable.fnDraw(); } );