<?php
/**
 * PHP Grid Component
 *
 * @author Abu Ghufran <gridphp@gmail.com> - http://www.phpgrid.org
 * @version 2.0.0
 * @license: see license.txt included in package
 */
 
// include db config
include_once("../../config.php");

// include and create object
include(PHPGRID_LIBPATH."inc/jqgrid_dist.php");

// Database config file to be passed in phpgrid constructor
$db_conf = array(     
                    
"type"         => PHPGRID_DBTYPE
                    
"server"     => PHPGRID_DBHOST,
                    
"user"         => PHPGRID_DBUSER,
                    
"password"     => PHPGRID_DBPASS,
                    
"database"     => PHPGRID_DBNAME
                
);

$g = new jqgrid($db_conf);

$opt["rowNum"] = 10// by default 20
$opt["sortname"] = 'id'// by default sort grid by this field
$opt["sortorder"] = "asc"// ASC or DESC
$opt["caption"] = "Footer Row"// caption of grid
$opt["autowidth"] = true// expand grid to screen width
$opt["multiselect"] = true// allow you to multi-select through checkboxes
$opt["footerrow"] = true;
$opt["reloadedit"] = true;

// use html renderer
$opt["export"]["render_type"] = "html";

$opt["onSelectAll"] = "function(id,status){ grid_onselect(); }";
$g->set_options($opt);

$g->set_actions(array(
                        
"add"=>true// allow/disallow add
                        
"edit"=>true// allow/disallow edit
                        
"delete"=>true// allow/disallow delete
                        
"rowactions"=>true// show/hide row wise edit/del/save option
                        
"search" => "advance"// show single/multi field search condition (e.g. simple or advance)
                        
"autofilter" => true,
                        
"export_pdf" => true
                    
)
                );
                
// you can provide custom SQL query to display data
$g->select_command "SELECT id,invdate,total,(SELECT sum(total) from invheader) AS table_total FROM invheader";

// this db table will be used for add,edit,delete
$g->table "invheader";

$cols = array();

$col = array();
$col["title"] = "id";
$col["name"] = "id";
$col["width"] = "100";
$col["editable"] = true;
$cols[] = $col;

$col = array();
$col["title"] = "invdate";
$col["name"] = "invdate";
$col["width"] = "100";
$col["editable"] = true;
$cols[] = $col;

$col = array();
$col["title"] = "total";
$col["name"] = "total";
$col["width"] = "100";
$col["editable"] = true;
$cols[] = $col;

// virtual column for running total
$col = array();
$col["title"] = "running_total";
$col["name"] = "running_total";
$col["width"] = "100";
$col["hidden"] = true;
$cols[] = $col;

// virtual column for grand total
$col = array();
$col["title"] = "table_total";
$col["name"] = "table_total";
$col["width"] = "100";
$col["hidden"] = true;
$cols[] = $col;

// pass the cooked columns to grid
$g->set_columns($cols);

// running total calculation
$e = array();
$e["on_data_display"] = array("pre_render","",true);
$e["on_render_pdf"] = array("render_pdf"nulltrue);

$e["js_on_select_row"] = "grid_onselect";
$e["js_on_load_complete"] = "grid_onload";

$g->set_events($e);

function 
pre_render($data)
{
    
$rows $_GET["jqgrid_page"] * $_GET["rows"];
    
$sidx $_GET['sidx']; // get index row - i.e. user click to sort
    
$sord $_GET['sord']; // get the direction
    
    // to where filtered data
    
$swhere "WHERE 1=1 ".$_SESSION["jqgrid_list1_filter"];

    global 
$g;
    
$result $g->execute_query("SELECT SUM(total) as s FROM (SELECT total FROM invheader $swhere ORDER BY $sidx $sord LIMIT $rows) AS tmp");
    
$rs $result->GetRows();
    
$rs $rs[0];
    
    foreach(
$data["params"] as &$d)
    {
        
$d["running_total"] = $rs["s"];
    }
}

// custom on_export callback function
function render_pdf($param)
{
    
$grid $param["grid"];
    
$arr $param["data"];

    
$html .= "<h1>".$grid->options["export"]["heading"]."</h1>";
    
$html .= '<table border="0" cellpadding="4" cellspacing="2">';
    
    
$i 0;
    
$total 0;
    foreach(
$arr as $v)
    {
        
$shade = ($i++ % 2) ? 'bgcolor="#efefef"' '';
        
$html .= "<tr>";
        foreach(
$v as $k=>$d)
        {
            if (
$k == 'total')
                
$total += floatval($d);
                
            
// bold header
            
if  ($i == 1)
                
$html .= "<td bgcolor=\"lightgrey\"><strong>".ucwords($d)."</strong></td>";
            else
                
$html .= "<td $shade>$d</td>";
        }
        
$html .= "</tr>";
    }
    
    
    
$html .= "<tr bgcolor=\"lightgrey\"><td></td><td></td><td align='right'><strong>Total: $total</strong></td><td></td><td></td></tr>";

    
$html .= "</table>";
    
    return 
$html;
}

// generate grid output, with unique grid name as 'list1'
$out $g->render("list1");

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html>
<head>
    <link rel="stylesheet" type="text/css" media="screen" href="../../lib/js/themes/redmond/jquery-ui.custom.css"></link>    
    <link rel="stylesheet" type="text/css" media="screen" href="../../lib/js/jqgrid/css/ui.jqgrid.css"></link>    
    
    <script src="../../lib/js/jquery.min.js" type="text/javascript"></script>
    <script src="../../lib/js/jqgrid/js/i18n/grid.locale-en.js" type="text/javascript"></script>
    <script src="../../lib/js/jqgrid/js/jquery.jqGrid.min.js" type="text/javascript"></script>    
    <script src="../../lib/js/themes/jquery-ui.custom.min.js" type="text/javascript"></script>
</head>
<body>
    <div style="margin:10px;">
    <script>
    // e.g. to show footer summary
    function grid_onload() 
    {
        var grid = $("#list1");

        // initially select few records
        // grid.jqGrid('setSelection', 2, true);
        // grid.jqGrid('setSelection', 5, true);
        // grid.jqGrid('setSelection', 6, true);
        
        // sum of displayed result
        sum = grid.jqGrid('getCol', 'total', false, 'sum'); // 'sum, 'avg', 'count' (use count-1 as it count footer row).

        // sum of running total records
        sum_running = grid.jqGrid('getCol', 'running_total')[0];

        // sum of total records
        sum_table = grid.jqGrid('getCol', 'table_total')[0];

        // record count
        c = grid.jqGrid('getCol', 'id', false, 'sum');

        // 4th arg value of false will disable the using of formatter
        grid.jqGrid('footerData','set', {id: 'Total: ' + sum.toFixed(2), invdate: 'Sub Total: '+sum_running, total: 'Grand Total: '+sum_table}, false);
    };
    
    // e.g. to update footer summary on selection
    function grid_onselect() 
    {

        var grid = $("#list1");

        var t = 0;
        var selr = grid.jqGrid('getGridParam','selarrrow'); // array of id's of the selected rows when multiselect options is true. Empty array if not selection 
        for (var x=0;x<selr.length;x++)
        {
            t += parseFloat(grid.jqGrid('getCell', selr[x], 'total'));
        }
        grid.jqGrid('footerData','set', {invdate: 'Selected Total: '+t.toFixed(2)}, false);
    };
    
    function select_all()
    {
        jQuery('#list1').jqGrid('resetSelection');
        var ids = jQuery('#list1').jqGrid('getDataIDs');
        for (i = 0; i < ids.length; i++) {
            jQuery('#list1').jqGrid('setSelection', ids[i], true);
        }    
    }
    </script>

    <?php echo $out?>
    </div>
    <br>
    <button onclick="select_all()">Select All</button>
</body>
</html>