private void RunGroupsPage(Pages pgs, TableWorkClass wc, List <GroupEntry> groupEntries, int endRow, float groupHeight)
{
Report rpt = pgs.Report;
foreach (GroupEntry ge in groupEntries)
{
// set the group entry value
int index;
if (ge.Group != null) // groups?
{
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)
{
TableGroup tg = ge.Group.Parent as TableGroup;
if (ge.Group.PageBreakAtStart && !pgs.CurrentPage.IsEmpty())
{
RunPageNew(pgs, pgs.CurrentPage);
RunPageHeader(pgs, wc.Data.Data[ge.StartRow], false, tg);
}
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.RunPage(pgs, wc.Data.Data[ge.StartRow]);
wc.GroupNestCount = 0;
}
}
float footerHeight = RunGroupsFooterHeight(pgs, wc, ge);
if (ge.EndRow == endRow)
{
footerHeight += groupHeight;
}
// Handle the nested groups if any
if (ge.NestedGroup.Count > 0)
{
RunGroupsPage(pgs, wc, ge.NestedGroup, ge.EndRow, footerHeight);
}
// 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.RunPage(pgs, wc.Data, ge.StartRow, ge.StartRow, footerHeight);
}
else
{
_Details.RunPage(pgs, wc.Data, ge.StartRow, ge.EndRow, footerHeight);
}
}
else // When no details we need to figure out whether any more fits on a page
{
Page p = pgs.CurrentPage;
if (p.YOffset + footerHeight > pgs.BottomOfPage) // Do we need new page to fit footer?
{
p = RunPageNew(pgs, p);
RunPageHeader(pgs, wc.Data.Data[ge.EndRow], false, null);
}
}
// Do the group footer
if (ge.Group != null && 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.RunPage(pgs, wc.Data.Data[ge.EndRow]);
}
if (ge.Group.PageBreakAtEnd && !pgs.CurrentPage.IsEmpty())
{
RunPageNew(pgs, pgs.CurrentPage);
RunPageHeader(pgs, wc.Data.Data[ge.StartRow], false, tg);
}
}
}
}
private void PrepRecursiveGroup(Report rpt, TableWorkClass wc)
{
// Prepare for processing recursive group
Grouping g = wc.RecursiveGroup;
IExpr parentExpr = g.ParentGroup;
GroupExpression gexpr = g.GroupExpressions.Items[0] as GroupExpression;
IExpr groupExpr = gexpr.Expression;
TypeCode tc = groupExpr.GetTypeCode();
List <Row> odata = new List <Row>(wc.Data.Data); // this is the old data that we'll recreate using the recursive hierarchy
List <Row> newrows = new List <Row>(odata.Count);
// For now we assume on a single top of tree (and it must sort first as null)
// spec is incomplete: should have ability to specify starting value of tree
// TODO: pull all of the rows that start with null
newrows.Add(odata[0]); // add the starting row
odata.RemoveAt(0); // remove olddata
// we need to build the group entry stack
// Build the initial one
wc.Groups = new List <GroupEntry>();
GroupEntry ge = new GroupEntry(null, null, 0);
ge.EndRow = odata.Count - 1;
wc.Groups.Add(ge); // top group
List <GroupEntry> ges = new List <GroupEntry>();
ges.Add(ge);
// loop thru the rows and find their children
// we place the children right after the parent
// this reorders the rows in the form of the hierarchy
Row r;
RecursiveCompare rc = new RecursiveCompare(rpt, parentExpr, tc, groupExpr);
for (int iRow = 0; iRow < newrows.Count; iRow++) // go thru the temp rows
{
r = newrows[iRow];
r.GroupEntry = ge = new GroupEntry(g, null, iRow); // TODO: sort for this group??
r.GroupEntry.EndRow = iRow;
// pull out all the rows that match this value
int iMainRow = odata.BinarySearch(r, rc);
if (iMainRow < 0)
{
for (int i = 0; i <= r.Level + 1 && i < ges.Count; i++)
{
ge = ges[i] as GroupEntry;
Row rr = newrows[ge.StartRow]; // start row has the base level of group
if (rr.Level < r.Level)
{
ge.EndRow = iRow;
}
}
continue;
}
// look backward for starting row;
// in case of duplicates, BinarySearch can land on any of the rows
object cmpvalue = groupExpr.Evaluate(rpt, r);
int sRow = iMainRow - 1;
while (sRow >= 0)
{
object v = parentExpr.Evaluate(rpt, odata[sRow]);
if (Filter.ApplyCompare(tc, cmpvalue, v) != 0)
{
break;
}
sRow--;
}
sRow++; // adjust; since we went just prior it
// look forward for ending row
int eRow = iMainRow + 1;
while (eRow < odata.Count)
{
object v = parentExpr.Evaluate(rpt, odata[eRow]);
if (Filter.ApplyCompare(tc, cmpvalue, v) != 0)
{
break;
}
eRow++;
}
// Build a group entry for this
GroupEntry ge2 = ges[r.Level] as GroupEntry;
ge2.NestedGroup.Add(ge);
if (r.Level + 1 >= ges.Count) // ensure we have room in the array (based on level)
{
ges.Add(ge); // add to the array
}
else
{
ges[r.Level + 1] = ge; // put this in the array
}
// add all of them in; want the same order for these rows.
int offset = 1;
for (int tRow = sRow; tRow < eRow; tRow++)
{
Row tr = odata[tRow];
tr.Level = r.Level + 1;
newrows.Insert(iRow + offset, tr);
offset++;
}
// remove from old data
odata.RemoveRange(sRow, eRow - sRow);
}
// update the groupentries for the very last row
int lastrow = newrows.Count - 1;
r = newrows[lastrow];
for (int i = 0; i < r.Level + 1 && i < ges.Count; i++)
{
ge = ges[i] as GroupEntry;
ge.EndRow = lastrow;
}
wc.Data.Data = newrows; // we've completely replaced the rows
return;
}
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);
}
}
void RunPrep(Report rpt, Row row, TableWorkClass wc)
{
GroupEntry[] currentGroups;
// We have some data
if (_TableGroups != null ||
(_Details != null &&
(_Details.Sorting != null ||
_Details.Grouping != null))) // fix up the data
{
List <Row> saveData = wc.Data.Data;
Grouping gr;
Sorting srt;
if (_Details == null)
{
gr = null; srt = null;
}
else
{
gr = _Details.Grouping;
srt = _Details.Sorting;
}
wc.Data = new Rows(rpt, _TableGroups, gr, srt);
wc.Data.Data = saveData;
wc.Data.Sort();
PrepGroups(rpt, wc);
}
// If we haven't formed any groups then form one with all rows
if (wc.Groups == null)
{
wc.Groups = new List <GroupEntry>();
GroupEntry ge = new GroupEntry(null, null, 0);
if (wc.Data.Data != null) // Do we have any data?
{
ge.EndRow = wc.Data.Data.Count - 1; // yes
}
else
{
ge.EndRow = -1; // no
}
wc.Groups.Add(ge); // top group
currentGroups = new GroupEntry[1];
}
else if (_TableGroups != null)
{
int count = _TableGroups.Items.Count;
if (_Details != null && _Details.Grouping != null)
{
count++;
}
currentGroups = new GroupEntry[count];
}
else
{
currentGroups = new GroupEntry[1];
}
wc.Data.CurrentGroups = currentGroups;
SortGroups(rpt, wc.Groups, wc);
}
private void PrepGroups(Report rpt, TableWorkClass wc)
{
wc.RecursiveGroup = null;
if (_TableGroups == null)
{ // no tablegroups; check to ensure details is grouped
if (_Details == null || _Details.Grouping == null)
{
return; // no groups to prepare
}
}
int i = 0;
// 1) Build array of all GroupExpression objects
List <GroupExpression> gea = new List <GroupExpression>();
// count the number of groups
int countG = 0;
if (_TableGroups != null)
{
countG = _TableGroups.Items.Count;
}
Grouping dg = null;
Sorting ds = null;
if (_Details != null && _Details.Grouping != null)
{
dg = _Details.Grouping;
ds = _Details.Sorting;
countG++;
}
GroupEntry[] currentGroups = new GroupEntry[countG++];
if (_TableGroups != null)
{ // add in the groups for the tablegroup
foreach (TableGroup tg in _TableGroups.Items)
{
if (tg.Grouping.ParentGroup != null)
{
wc.RecursiveGroup = tg.Grouping;
}
tg.Grouping.SetIndex(rpt, i); // set the index of this group (so we can find the GroupEntry)
currentGroups[i++] = new GroupEntry(tg.Grouping, tg.Sorting, 0);
foreach (GroupExpression ge in tg.Grouping.GroupExpressions.Items)
{
gea.Add(ge);
}
}
}
if (dg != null)
{ // add in the groups for the details grouping
if (dg.ParentGroup != null)
{
wc.RecursiveGroup = dg;
}
dg.SetIndex(rpt, i); // set the index of this group (so we can find the GroupEntry)
currentGroups[i++] = new GroupEntry(dg, ds, 0);
foreach (GroupExpression ge in dg.GroupExpressions.Items)
{
gea.Add(ge);
}
}
if (wc.RecursiveGroup != null)
{
if (gea.Count != 1) // Limitiation of implementation
{
throw new Exception("Error: Recursive groups must be the only group definition.");
}
PrepRecursiveGroup(rpt, wc); // only one group and it's recursive: optimization
return;
}
// Save the typecodes, and grouping by groupexpression; for later use
TypeCode[] tcs = new TypeCode[gea.Count];
Grouping[] grp = new Grouping[gea.Count];
i = 0;
foreach (GroupExpression ge in gea)
{
grp[i] = (Grouping)(ge.Parent.Parent); // remember the group
tcs[i++] = ge.Expression.GetTypeCode(); // remember type of expression
}
// 2) Loop thru the data, then loop thru the GroupExpression list
wc.Groups = new List <GroupEntry>();
object[] savValues = null;
object[] grpValues = null;
int rowCurrent = 0;
foreach (Row row in wc.Data.Data)
{
// Get the values for all the group expressions
if (grpValues == null)
{
grpValues = new object[gea.Count];
}
i = 0;
foreach (GroupExpression ge in gea)
{
if (((Grouping)(ge.Parent.Parent)).ParentGroup == null)
{
grpValues[i++] = ge.Expression.Evaluate(rpt, row);
}
else
{
grpValues[i++] = null; // Want all the parentGroup to evaluate equal
}
}
// For first row we just primed the pump; action starts on next row
if (rowCurrent == 0) // always start new group on first row
{
rowCurrent++;
savValues = grpValues;
grpValues = null;
continue;
}
// compare the values; if change then we have a group break
for (i = 0; i < savValues.Length; i++)
{
if (Filter.ApplyCompare(tcs[i], savValues[i], grpValues[i]) != 0)
{
// start a new group; and force a break on every subgroup
GroupEntry saveGe = null;
for (int j = grp[i].GetIndex(rpt); j < currentGroups.Length; j++)
{
currentGroups[j].EndRow = rowCurrent - 1;
if (j == 0)
{
wc.Groups.Add(currentGroups[j]); // top group
}
else if (saveGe == null)
{
currentGroups[j - 1].NestedGroup.Add(currentGroups[j]);
}
else
{
saveGe.NestedGroup.Add(currentGroups[j]);
}
saveGe = currentGroups[j]; // retain this GroupEntry
currentGroups[j] = new GroupEntry(currentGroups[j].Group, currentGroups[j].Sort, rowCurrent);
}
savValues = grpValues;
grpValues = null;
break; // break out of the value comparison loop
}
}
rowCurrent++;
}
// End of all rows force break on end of rows
for (i = 0; i < currentGroups.Length; i++)
{
currentGroups[i].EndRow = rowCurrent - 1;
if (i == 0)
{
wc.Groups.Add(currentGroups[i]); // top group
}
else
{
currentGroups[i - 1].NestedGroup.Add(currentGroups[i]);
}
}
return;
}
override internal void RunPage(Pages pgs, Row row)
{
Report r = pgs.Report;
if (IsHidden(r, row))
{
return;
}
TableWorkClass wc = GetValue(r);
if (_IsGrid)
{
wc.Data = Rows.CreateOneRow(r);
}
else
{
wc.Data = GetFilteredData(r, row);
}
SetPagePositionBegin(pgs);
if (!AnyRowsPage(pgs, wc.Data)) // if no rows return
{
return; // nothing left to do
}
RunPrep(r, row, wc);
RunPageRegionBegin(pgs);
Page p = pgs.CurrentPage;
p.YOffset += this.RelativeY(r);
// Calculate the xpositions of the columns
TableColumns.CalculateXPositions(r, GetOffsetCalc(r) + LeftCalc(r), row);
RunPageHeader(pgs, wc.Data.Data[0], true, null);
if (wc.RecursiveGroup != null)
{
RunRecursiveGroupsPage(pgs, wc);
}
else
{
RunGroupsPage(pgs, wc, wc.Groups, wc.Data.Data.Count - 1, 0);
}
// Footer
if (_Footer != null)
{
Row lrow = wc.Data.Data.Count > 0? wc.Data.Data[wc.Data.Data.Count - 1]: null;
p = pgs.CurrentPage;
// make sure the footer fits on the page
if (p.YOffset + _Footer.HeightOfRows(pgs, lrow) > pgs.BottomOfPage)
{
p = RunPageNew(pgs, p);
RunPageHeader(pgs, row, false, null);
}
_Footer.RunPage(pgs, lrow);
}
RunPageRegionEnd(pgs);
SetPagePositionEnd(pgs, pgs.CurrentPage.YOffset);
RemoveValue(r);
}
override internal void Run(IPresent ip, Row row)
{
Report r = ip.Report();
TableWorkClass wc = GetValue(r);
if (_IsGrid)
{
wc.Data = Rows.CreateOneRow(r);
}
else
{
wc.Data = GetFilteredData(r, row);
}
if (!AnyRows(ip, wc.Data)) // if no rows return
{
return; // nothing left to do
}
RunPrep(r, row, wc);
if (!ip.TableStart(this, row))
{
return; // render doesn't want to continue
}
if (_TableColumns != null)
{
_TableColumns.Run(ip, row);
}
// Header
if (_Header != null)
{
ip.TableHeaderStart(_Header, row);
Row frow = wc.Data.Data.Count > 0? wc.Data.Data[0]: null;
_Header.Run(ip, frow);
ip.TableHeaderEnd(_Header, row);
}
// Body
ip.TableBodyStart(this, row);
if (wc.RecursiveGroup != null)
{
RunRecursiveGroups(ip, wc);
}
else
{
RunGroups(ip, wc.Groups, wc);
}
ip.TableBodyEnd(this, row);
// Footer
if (_Footer != null)
{
ip.TableFooterStart(_Footer, row);
Row lrow = wc.Data.Data.Count > 0? wc.Data.Data[wc.Data.Data.Count - 1]: null;
_Footer.Run(ip, lrow);
ip.TableFooterEnd(_Footer, row);
}
ip.TableEnd(this, row);
RemoveValue(r);
}
internal GroupEntryCompare(Report r, TableWorkClass w)
{
rpt = r;
wc = w;
}
internal int GetGroupNestCount(Report rpt)
{
TableWorkClass wc = GetValue(rpt);
return(wc.GroupNestCount);
}
private void RunRecursiveGroupsPage(Pages pgs, TableWorkClass wc)
{
List <Row> rows = wc.Data.Data;
Row r;
// Get any header/footer information for use in loop
Header header = null;
Footer footer = null;
TableGroup tg = wc.RecursiveGroup.Parent as TableGroup;
if (tg != null)
{
header = tg.Header;
footer = tg.Footer;
}
bool bHeader = true;
for (int iRow = 0; iRow < rows.Count; iRow++)
{
r = rows[iRow];
wc.Data.CurrentGroups[0] = r.GroupEntry;
wc.GroupNestCount = r.GroupEntry.EndRow - r.GroupEntry.StartRow;
if (bHeader)
{
bHeader = false;
if (header != null)
{
Page p = pgs.CurrentPage; // this can change after running a row
float height = p.YOffset + header.HeightOfRows(pgs, r);
if (height > pgs.BottomOfPage)
{
p = RunPageNew(pgs, p);
RunPageHeader(pgs, r, false, null);
if (!header.RepeatOnNewPage)
{
header.RunPage(pgs, r);
}
}
else
{
header.RunPage(pgs, r);
}
}
}
// determine need for group headers and/or footers
bool bFooter = false;
float footerHeight = 0;
if (iRow < rows.Count - 1)
{
Row r2 = rows[iRow + 1];
if (r.Level > r2.Level)
{
if (footer != null)
{
bFooter = true;
footerHeight = footer.HeightOfRows(pgs, r);
}
}
else if (r.Level < r2.Level)
{
bHeader = true;
}
}
if (_Details != null)
{
_Details.RunPage(pgs, wc.Data, iRow, iRow, footerHeight);
}
// and output the footer if needed
if (bFooter)
{
footer.RunPage(pgs, r);
}
}
if (footer != null)
{
footer.RunPage(pgs, rows[rows.Count - 1] as Row);
}
}