Getting the number of visible columns in a ListGrid in SmartGWT?

问题

I'm trying to get the number of visible columns (ListGridField) in a ListGrid.

Is there an easy solution for that?

回答1:

Here's the solution using ListGrid.fieldIsVisible(String fieldName) method:

private int getNumVisibleColumns(ListGrid grid) {
    int count = 0;
    for (ListGridField field : grid.getFields()) {
        if (grid.fieldIsVisible(field.getName())) {
            count++;
        }
    }
    return count;
}

回答2:

you can loop through the columns in the ListGrid and call ListGridField.getHidden() to count which ones are visible or not.

来源：https://stackoverflow.com/questions/5787620/getting-the-number-of-visible-columns-in-a-listgrid-in-smartgwt