Example #1
0
        private void RunGroups(IPresent ip, List <GroupEntry> groupEntries, TableWorkClass wc)
        {
            Report     rpt = ip.Report();
            GroupEntry fge = (GroupEntry)(groupEntries[0]);

            if (fge.Group != null)
            {
                ip.GroupingStart(fge.Group);
            }

            foreach (GroupEntry ge in groupEntries)
            {
                // set the group entry value
                int index;
                if (ge.Group != null)                   // groups?
                {
                    ip.GroupingInstanceStart(ge.Group);
                    ge.Group.ResetHideDuplicates(rpt);                  // reset duplicate checking
                    index = ge.Group.GetIndex(rpt);                     // yes
                }
                else                                                    // no; must be main dataset
                {
                    index = 0;
                }
                wc.Data.CurrentGroups[index] = ge;

                if (ge.NestedGroup.Count > 0)
                {
                    RunGroupsSetGroups(rpt, wc, ge.NestedGroup);
                }

                // Handle the group header
                if (ge.Group != null && ge.Group.Parent != null)
                {
                    TableGroup tg = ge.Group.Parent as TableGroup;
                    if (tg != null && tg.Header != null)
                    {
                        // Calculate the number of table rows below this group; header, footer, details count
                        if (ge.NestedGroup.Count > 0)
                        {
                            wc.GroupNestCount = RunGroupsCount(ge.NestedGroup, 0);
                        }
                        else
                        {
                            wc.GroupNestCount = (ge.EndRow - ge.StartRow + 1) * DetailsCount;
                        }
                        tg.Header.Run(ip, wc.Data.Data[ge.StartRow]);
                        wc.GroupNestCount = 0;
                    }
                }
                // Handle the nested groups if any
                if (ge.NestedGroup.Count > 0)
                {
                    RunGroups(ip, ge.NestedGroup, wc);
                }
                // If no nested groups then handle the detail rows for the group
                else if (_Details != null)
                {
                    if (ge.Group != null &&
                        ge.Group.Parent as TableGroup == null)
                    {                           // Group defined on table; means that Detail rows only put out once per group
                        _Details.Run(ip, wc.Data, ge.StartRow, ge.StartRow);
                    }
                    else
                    {
                        _Details.Run(ip, wc.Data, ge.StartRow, ge.EndRow);
                    }
                }

                // Do the group footer
                if (ge.Group != null)
                {
                    if (ge.Group.Parent != null)
                    {
                        TableGroup tg = ge.Group.Parent as TableGroup;                          // detail groups will result in null
                        if (tg != null && tg.Footer != null)
                        {
                            tg.Footer.Run(ip, wc.Data.Data[ge.EndRow]);
                        }
                    }
                    ip.GroupingInstanceEnd(ge.Group);
                }
            }
            if (fge.Group != null)
            {
                ip.GroupingEnd(fge.Group);
            }
        }