> > On Jan 31, 2012, at 11:35 AM, Terry Judd wrote: > >> >> On 01/02/2012, at 06:12 AM, Bob Sneidar wrote: >> >>> Hi all. >>> >>> I was given to understand that the dgDataOfLine referenced the visible >>> lines of a datagrid, so that if I scrolled to the bottom of a datagrid that >>> had 8 visible lines, the dgDataOfLine[8] would give me the mast line of >>> data. It seems this is not so, unless something has gone wrong in my >>> datagrid. Instead I am getting the data from the 8th record not the last of >>> 8 visible records. >>> >>> What am I doing wrong? I will dig into this myself, but I am hoping for a >>> quick "that's not the way to do it" from someone. >>> >>> Bob >> >> Bob - use getDataOfLine(8) to get the data for the 8th selected line >> irrespective of how the column data is sorted. >> >> Terry... >> >> > Thanks Terry. Looks GetDataOfLine gets a key of a line, but the line is still > a reference to the line in the data grid data, not the visible line. So if I > have 15 lines with 8 visible, and I am scrolled to the bottom of the data > grid and I want the last of the 8 visible lines, using getDataOfLine(8, > "uniqueid") will give me uniqueid of the the 8th record, not the 15th, you > see? The 8th visible line is the 15th *actual* line. > > I came up with a way to do it though, but it assumes that the row height is > fixed. You simple div the dgVScroll with the dgprops["row height"] and you > have the number of previous (non-visible) rows. Now you can add that to the > visible row number and you have the row to pass to dgDataOfLine. Kludgy but > it works. > > Might be a nice to include in the datagrid library a dgDataOfVisibleLine > property that takes into account variable row heights. I think I will add > that to the QCC. > > Bob
Never mind. I just discovered dgVisibleLines(). DOH! <note to self: read the datagrid library first> _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
