onBeforeSelect

fires before a cell is selected

boolean onBeforeSelect(object selection,boolean preserve);

selection

objectthe selected object preserve

booleanindicates whether the previous selection will be saved

boolean

returning `false` will prevent item selection

Example

some.attachEvent("onBeforeSelect", function (selection, preserve){
    // ... some code here ...
    // return false to block operation
    return true;
});

Details

The selection object depends on the selection mode and includes the following attributes:

row - the id of the row with selection
column - the id of the column with selection
id - the id of the selected item (row, column, or cell, depending on the applied selection mode)