X&Y Scrolling Table

by Ju Oliveira

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
 <table border="1" width="95%" cellspacing="1" cellpadding="0" align="center" id="cTable" >
        <tr>
            <td width="5%" colspan="3">fixed can be long<br>or short</td>
            <td width="9%" colspan="4">scroll A</td>
            <td width="7%" colspan="2">scroll B</td>
            <td width="3%">scroll C</td>
            <td width="9%" colspan="4">scroll D</td>
            <td width="7%" colspan="2">scroll E</td>
            <td width="3%">scroll F</td>
            <td width="9%" colspan="4">scroll G</td>
            <td width="7%" colspan="2">scroll H</td>
            <td width="3%">scroll I</td>
            <td width="9%" colspan="4">scroll J</td>
            <td width="7%" colspan="2">scroll K</td>
            <td width="3%">scroll L</td>
            <td width="9%" colspan="4">scroll M</td>
            <td width="7%" colspan="2">scroll N</td>
            <td width="3%">scroll O</td>
        </tr>
        <tr>
            <td width="5%" colspan="3">2nd fixed header</td>
            <td width="9%" colspan="4">scroll 2A</td>
            <td width="7%">scroll 2B-1</td>
            <td width="7%">scroll 2B-2 </td>
            <td width="3%">scroll 2C</td>
            <td width="9%" colspan="4">scroll 2D</td>
            <td width="7%" colspan="2">scroll 2E</td>
            <td width="3%">scroll 2F</td>
            <td width="9%" colspan="4">scroll 2G</td>
            <td width="7%" colspan="2">scroll 2H</td>
            <td width="3%">scroll 2I</td>
            <td width="9%" colspan="4">scroll 2J</td>
            <td width="7%" colspan="2">scroll 2K</td>
            <td width="3%">scroll 2L</td>
            <td width="9%" colspan="4">scroll 2M</td>
            <td width="7%" colspan="2">scroll 2N</td>
            <td width="3%">scroll 2O</td>
        </tr>
        <tr>
            <td>2</td>
            <td>2</td>
            <td>2</td>
            <td>1 1 1 1 1...

CSS

html { font-size: 0.8em; }

.cTContainer { overflow: hidden; padding: 2px; }
    .cTContainer table { table-layout: fixed; border-width: 0px; }
    
    .relativeContainer { position: relative; overflow: hidden;}    
    .fixedTB { position: absolute; z-index: 11; font-weight: bold;} 
    .fixedTB table tr td { background-color: #F1F1F1; }
    .leftContainer { position: absolute; overflow: hidden;  }
    .rightContainer { position: absolute; overflow: hidden;  }
    .leftSBWrapper { position: relative; z-index: 10; }
    .topSBWrapper { position: relative; z-index: 10; width: 100%; }
    .topSBWrapper table tr td { background-color: #F1F1F1; font-weight: bold; }
    .SBWrapper { width: 100%; overflow: auto; }
    
   .cTContainer td { overflow: hidden; padding: 2px 2px; border-width: 1px; border-style: solid; border-color: black; }
    .leftContainer table tr { background-color: #F1F1F1; }
    
    body { height: 600px; }

JavaScript

$(function() {
        $.fn.cTable = function(o) {        
            
            this.wrap('<div class="cTContainer" />');
            this.wrap('<div class="relativeContainer" />');    
            //Update below template as how you have it in orig table
            var origTableTmpl = '<table border="1" cellspacing="1" cellpadding="0" align="center" width="95%" ></table>';            
            //get row 1 and clone it for creating sub tables
            var row1 = this.find('tr').slice(0, o.fRows).clone();
            
            var r1c1ColSpan = 0;
            for (var i = 0; i < o.fCols; i++ ) {
                r1c1ColSpan += this[0].rows[0].cells[i].colSpan;
            }
            
            //create table with just r1c1 which is fixed for both scrolls
            var tr1c1 = $(origTableTmpl);
            row1.each(function () {            
                var tdct = 0;
                $(this).find('td').filter( function () {
                    tdct += this.colSpan;
                    return tdct > r1c1ColSpan;
                }).remove();                
            });
            row1.appendTo(tr1c1);
            tr1c1.wrap('<div class="fixedTB" />');
            tr1c1.parent().prependTo(this.closest('.relativeContainer'));
                       
            //create a table with just c1        
            var c1= this.clone().prop({'id': ''});
            c1.find('tr').slice(0, o.fRows).remove();
            c1.find('tr').each(function (idx) {
                var c = 0; 
                $(this).find('td').filter(function () {
                    c += this.colSpan;
                    return c > r1c1ColSpan;
                }).remove();           
            });
            
            var prependRow = row1.first().clone();
            prependRow.find('td').empty();
            c1.prepend(prependRow).wrap('<div class="leftSBWrapper" />')
            c1.parent().wrap('<div class="leftContainer" />');            
           ...