DataGrid - Problem with Refresh from code
Posted: Fri Apr 18, 2014 3:07 pm
I am attempting to build a small datagrid table to hold five or six rows of data. The final column is named "selected" and displays a value of true or false in a check box that has replaced the standard field. I have a custom column behavior that controls the data and display in the column. The code below is from a mouse up handler in the column behavor. The rule I am trying to implement is that only a single row is to be selected at any time.
The code correctly updates the data, but the line at Failure(1) does not prevent the checkbox from becoming un-ticked. The line at Failure(2) wipes the display of all the data in an unrelated column and does not update the check boxes correctly. A manual refresh from the inspector does update the datagrid to reflect the values in the data array. I guess that I should not be calling ResetList from within the datagrid. So how would you approach creating a datagrid that obeys the rule of allowing one row to have a value of true displayed in a checkbox?
Code: Select all
put the dgNumberOfLines of me into tRowCount
repeat with RowNo = 1 to tRowCount
setDataOfLine RowNo, "selected", false --set all rows to false
end repeat
setDataOfLine the dgLine of me, "selected", true
set the hillite of the target to true -- Failure (1)
dispatch "ResetList" to the dgControl of the target in 0 --Failure (2)The code correctly updates the data, but the line at Failure(1) does not prevent the checkbox from becoming un-ticked. The line at Failure(2) wipes the display of all the data in an unrelated column and does not update the check boxes correctly. A manual refresh from the inspector does update the datagrid to reflect the values in the data array. I guess that I should not be calling ResetList from within the datagrid. So how would you approach creating a datagrid that obeys the rule of allowing one row to have a value of true displayed in a checkbox?