SMART datagrid v.1 > Classes > HeaderSummary

DataLudi.HeaderSummary.tooltipCallback  property

Callback function which returns HTML to be displayed in tooltip when the mouse is over grid header summary cell for Certain Time. 

function (column:GridColumn, value:*):String;

In order to display tooltip, it should return non-empty HTML from this callback, and should set DisplayOptions.showTooltip as true first. 

Defaults to null.

Getter

function tooltipCallback(): Function

Setter

function setTooltipCallback(value: Function)

    grid.header().setSummary({
		tooltipCallback: function (column, value) {
            if (!isNaN(value)) {
                var grid = column.grid();
                var fld = column.dataIndex();
                return column.header().displayText() + ':<br>' +
                    'Sum: <b>' + DataLudi.formatNumber('#,##0.00', grid.getSummary(fld, 'sum')) + '</b><br>' +
                    'Average: <b>' + DataLudi.formatNumber('#,##0.00', grid.getSummary(fld, 'avg')) + '</b>';
            }
		}
	});

See Also

DisplayOptions.showTooltip

GridHeader.tooltipCallback

GridFooter.tooltipCallback

GridBody.tooltipCallback

DataCellRenderer.showTooltip

GridBase.getSummary

GridBase.setOptions

Examples

Tooltips

Grid Header Summary

Column Header