extjs change grid cell background based on value

Question

I applied a renderer to my grid-column, but the background color is not changing:

renderer: function(value, meta) {
    if (parseInt(value) > 0) {
                


        

Answer 1

Inspired by Select Smile... this worked for me:

    var myRender = function (value, metaData, record, rowIndex, colIndex, store, view) {
        if (parseInt(value) < 0) {
            metaData.attr = 'style="background-color:#ffaaaa !important;"';
        }
        return value
    };

and the field

{id: 'dta', dataIndex: 'days_to_arrival', renderer: myRender}

that's it.

ps. done under ExtJS v2.2.1