SMART datagrid v.1 > Classes > DataColumn

DataLudi.DataColumn.buttonDisplayCallback  property

返回是否在相关单元格位置显示按钮的回调函数。 

function (index:CellIndex):Boolean;

可以通过DataColumn.button属性，指定在数据单元格显示的按钮类型，而即使设置显示按钮，也会在这个回调返回false时，不显示按钮。 

默认值为null.

Getter

function buttonDisplayCallback(): Function

Setter

function setButtonDisplayCallback(value: Function)

    var columns = [{
        name: 'addr',
        button: 'popup',
        buttonVisibility: 'always',
        buttonDisplayCallback: function (index) {
            return index.getValue() !== undefined;
        }
    },
    ...
    ];
    grid.setColumns(columns);

See Also

DataColumn.button

DataColumn.buttonVisibility

菜单概述

Examples

单元格按钮