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9.4

Client side array sort

Asked by PT001 in JavaScript

I have a page that I'm trying to let the user sort the information.  It half works.  I can't seem to figure out the other half.  But that's the fun of it.  Anyhow, I was hoping someone out there could look at my code and offer a suggestion or two.  

The array is built during a pull from a db using SQL server.  That part runs alright.  The pull takes 2-5 mins so I was hoping to be able to sort the info on the client side.  

Below is a simple copy of the page I'm working with.  

<%@ LANGUAGE="VBSCRIPT" %>

<html>
<head>
<title>Test Search</title>

</head>

<body>
<SCRIPT Language="JavaScript">
// sort varibles
var lastSortBy = -1;  
var sortGT = 1;   // sort forwards
var sortLT = -1;  // reverse sort

var sortStyle = new Array(" sorted <i>in reverse</i> by "," **impossible** "," sorted by ");  

function fnOTSRecord( id, wo, pon, fnp, DS1_SYSID, City_Pair, WOSec)
{
    this.id                        = id;
    this.WorkOrder            = wo;
    this.pon                  = pon;
    this.fnp                  = fnp;
    this.DS1_SYSID            = DS1_SYSID;
    this.City_Pair            = City_Pair;
    this.WOSection            = WOSec;
    //alert("Constructing OTSRecord:\n" + id + "\n" + wo + "\n" + pon + "\n" + fnp);
}


var aOTSRecords = new Array(
    new fnOTSRecord('2425','6817','02410.201','1','3394','AUS  LAD','Remarks'),
    new fnOTSRecord('2425','6817','02410.201','1',1,'AUS  LAD','Remarks'),
    new fnOTSRecord('6844','9587','03394','2',2,'DET  COL','Details'),
    new fnOTSRecord('6845','009587','03394','3',3,'DET  COL','Details'),
    new fnOTSRecord('14226','13393','05388','4',4,'HSN  AUS','Routing'),
    new fnOTSRecord('14271','013420','05411','5',5,'STC  CHC','Details'),
    new fnOTSRecord('33943','22637','10172.1   01D','6',6,'ORL  BAL','Details'),
    new fnOTSRecord('33944','22638','10172.5','7',7,'DCA  BAL','Details'),
    new fnOTSRecord('33945','22639','10173.1   01D','8',8,'ORL  BAL','Details'),
    new fnOTSRecord('33946','22640','10173.5','9',9,'DCA  BAL','Details'),
    new fnOTSRecord('34804','23145','13375.1   01A','10',10,'DLS  SFS','Remarks'),
    new fnOTSRecord('39756','25750','01965     01D','11',11,'AUS  EPO','Remarks'),
    new fnOTSRecord('39757','025750','01965     01D','13',12,'AUS  EPO','Remarks'),
    new fnOTSRecord('41028','026414','02410.201','12',13,'AUS  LAD','Details'),
    new fnOTSRecord('41028','026414','02410.201','14',14,'AUS  LAD','Remarks'),
    new fnOTSRecord('41561','26689','12201     01D','15',15,'SDO  CHI','Remarks'),
    new fnOTSRecord('41561','26689','12201     01D','17',16,'SDO  CHI','Routing'),
    new fnOTSRecord('41643','26738','02410.201','16',17,'AUS  LAD','Routing'),
    new fnOTSRecord('41644','026738','02410.201','18',18,'AUS  LAD','Details'),
    new fnOTSRecord('41644','026738','02410.201','20',19,'AUS  LAD','Remarks'),
    new fnOTSRecord('41645','026738','02410.201','19',20,'AUS  LAD','Details'),
    new fnOTSRecord('63394','40528','23874.1','','15691','INS  CHT','Details'),
    new fnOTSRecord('67496','43394','27136','','19435','NYC  LAP','Details')    
);


// functions to sort
function fnSortByID( arg1, arg2 )
{
    if( arg1.ID == arg2.ID ) return 0;
    return ( parseInt(arg1.ID) < parseInt(arg2.ID) ) ? sortLT : sortGT;
}
function fnSortByWorkOrder( arg1, arg2 )
{
    if( arg1.WorkOrder == arg2.WorkOrder ) return 0;
    return ( parseInt(arg1.WorkOrder) < parseInt(arg2.WorkOrder) ) ? sortLT : sortGT;
}
function fnSortByPon( arg1, arg2 )
{
    if( arg1.pon == arg2.pon ) return 0;
    return ( arg1.pon < arg2.pon ) ? sortLT : sortGT;
}
function fnSortByFnp( arg1, arg2 )
{
    if( arg1.fnp == arg2.fnp ) return 0;
    return ( parseInt(arg1.fnp) < parseInt(arg2.fnp) ) ? sortLT : sortGT;
}
function fnSortByDS1( arg1, arg2 )
{
    if( arg1.DS1_SYSID == arg2.DS1_SYSID ) return 0;
    return ( arg1.DS1_SYSID < arg2.DS1_SYSID ) ? sortLT : sortGT;
}
function fnSortByCity_Pair( arg1, arg2 )
{
    if( arg1.City_Pair == arg2.City_Pair ) return 0;
    return ( arg1.City_Pair < arg2.City_Pair ) ? sortLT : sortGT;
}
function fnSortByWOSection( arg1, arg2 )
{
    if( arg1.WOSection == arg2.WOSection ) return 0;
    return ( arg1.WOSection < arg2.WOSection ) ? sortLT : sortGT;
}

// Array of sort functions
aSortFuncs = new Array( fnSortByID, fnSortByWorkOrder, fnSortByPon, fnSortByFnp,
                       fnSortByDS1, fnSortByCity_Pair, fnSortByWOSection);        
// Array of Field Names
aSortByNames = new Array( "ID", "Work Order", "PON", "FNP", "DS1 SYSID",
                                    "City Pair", "WO-Section" );

//alert("sortGT & sortLT:\n" + sortGT + "\n" + sortLT);
function sortBy( fldNum )
{
alert("sortGT & sortLT:\n" + sortGT + "\n" + sortLT + "\n" + fldNum + "\n" + lastSortBy  );
    if ( fldNum != lastSortBy )
    {
        sortGT = 1;
        sortLT = -1;
        lastSortBy = fldNum;
    } else {
        sortGT = - sortGT;
        sortLT = - sortLT; // reverse the sort
    }
 
 //   alert("sortGT & sortLT:\n" + sortGT + "\n" + sortLT + "\n" + fldNum + "\n" + lastSortBy + "\n" + parseInt(curItem.id) );
    aOTSRecords.sort( aSortFuncs[fldNum] );  //sort

    // displaying results    
    //parent.Display.document    
    document.open( ); // clears frame and prepares for (re)write...
    document.write( "<BODY bgColor=yellow>\n<CENTER>\n<H3>List of OTS orders "
             + sortStyle[sortGT+1] + aSortByNames[fldNum] + "</H3><P>\n" );
    document.write( "<!-- <FONT Size='-1'><I>Click on a column title to sort by that column; click again to reverse the sort.</I></FONT>\n -->");
    document.write( "<TABLE Width='100%' Border=0 CellPadding=3 bgColor=lightgreen>\n<TR>\n" );
    for( col = 0; col < aSortByNames.length; ++col )
    {
        document.write( "    <TH><A HREF='javascript:sortBy(" + col
                 + ")'>" + aSortByNames[col] + "</A></TH>\n" );
    }
    document.write( "</TR>\n" );
    for( row = 0; row < aOTSRecords.length; ++row )
    {
        curItem = aOTSRecords[row];
        document.write( "<TR>\n" );      
        document.write( "    <TD>" + parseInt(curItem.id) + "</TD>\n" );
        document.write( "    <TD>" + curItem.WorkOrder + "</TD>\n" );
        document.write( "    <TD>" + curItem.pon + "</TD>\n" );
        document.write( "    <TD>" + curItem.fnp + "</TD>\n" );
        document.write( "    <TD>" + curItem.DS1_SYSID + "</TD>\n" );
        document.write( "    <TD>" + curItem.City_Pair + "</TD>\n" );
        document.write( "    <TD>" + curItem.WOSection + "</TD>\n" );
        document.write( "</TR>\n" );
    }
    document.write( "</TABLE>\n<P><HR>" );
    document.write(aSortFuncs[5] + "<br>");
    document.write (aOTSRecords[5].id + "</body>\n");
    document.close( );
    alert("sortGT & sortLT:\n" + sortGT + "\n" + sortLT + "\n" + fldNum + "\n" + lastSortBy + "\n" + parseInt(curItem.id) );
}

sortBy(0);

</SCRIPT>
</body>
</html>
[+][-]05/30/03 12:25 PM, ID: 8616751Accepted Solution

Your question has an Asker Certified™ answer! PT001 verified that this solution worked for them--which means it will likely work for you, too. Click to view the solution free for 30-days now.

About this solution

Zone: JavaScript
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Solution Provided By: amit_g
Participating Experts: 2
Solution Grade: A
 
[+][-]05/30/03 11:06 AM, ID: 8616156Expert Comment

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[+][-]05/30/03 11:11 AM, ID: 8616200Author Comment

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[+][-]05/30/03 12:42 PM, ID: 8616842Expert Comment

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[+][-]05/30/03 01:58 PM, ID: 8617239Author Comment

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