internal SLCalculationCell Clone()
{
SLCalculationCell cc = new SLCalculationCell();
cc.RowIndex = this.RowIndex;
cc.ColumnIndex = this.ColumnIndex;
cc.SheetId = this.SheetId;
cc.InChildChain = this.InChildChain;
cc.NewLevel = this.NewLevel;
cc.NewThread = this.NewThread;
cc.Array = this.Array;
return cc;
}
/// <summary>
/// Adds a calculation cell if it doesn't already exist
/// </summary>
/// <param name="cc"></param>
internal void AddCalculationCell(SLCalculationCell cc)
{
bool bFound = false;
foreach (SLCalculationCell calc in this.CalculationCells)
{
if (calc.SheetId == cc.SheetId && calc.RowIndex == cc.RowIndex && calc.ColumnIndex == cc.ColumnIndex)
{
bFound = true;
break;
}
}
if (!bFound) this.CalculationCells.Add(cc.Clone());
}
internal SLCalculationCell Clone()
{
SLCalculationCell cc = new SLCalculationCell();
cc.RowIndex = this.RowIndex;
cc.ColumnIndex = this.ColumnIndex;
cc.SheetId = this.SheetId;
cc.InChildChain = this.InChildChain;
cc.NewLevel = this.NewLevel;
cc.NewThread = this.NewThread;
cc.Array = this.Array;
return(cc);
}
/// <summary>
/// Adds a calculation cell if it doesn't already exist
/// </summary>
/// <param name="cc"></param>
internal void AddCalculationCell(SLCalculationCell cc)
{
bool bFound = false;
foreach (SLCalculationCell calc in this.CalculationCells)
{
if (calc.SheetId == cc.SheetId && calc.RowIndex == cc.RowIndex && calc.ColumnIndex == cc.ColumnIndex)
{
bFound = true;
break;
}
}
if (!bFound)
{
this.CalculationCells.Add(cc.Clone());
}
}
private void OpenExistingSpreadsheet(string SheetNameOnOpen)
{
xl = SpreadsheetDocument.Open(memstream, true);
wbp = xl.WorkbookPart;
IsNewSpreadsheet = false;
slwb = new SLWorkbook();
this.DocumentProperties = new SLDocumentProperties();
this.LoadDocumentProperties();
InitialiseAutoFitCache();
LoadBuiltInNumberingFormats();
InitialiseStylesheetWhatNots(SLThemeTypeValues.Office);
LoadSharedStringTable();
giWorksheetIdCounter = 0;
using (OpenXmlReader oxr = OpenXmlReader.Create(wbp))
{
SLWorkbookView wv;
Sheet s;
SLSheet sheet;
DefinedName dn;
SLDefinedName sldn;
while (oxr.Read())
{
if (oxr.ElementType == typeof(WorkbookView))
{
wv = new SLWorkbookView();
wv.FromWorkbookView((WorkbookView)oxr.LoadCurrentElement());
slwb.WorkbookViews.Add(wv);
}
else if (oxr.ElementType == typeof(Sheet))
{
s = (Sheet)oxr.LoadCurrentElement();
sheet = new SLSheet(s.Name.Value, s.SheetId.Value, s.Id.Value, SLSheetType.Unknown);
if (s.State != null) sheet.State = s.State.Value;
slwb.Sheets.Add(sheet);
if (sheet.SheetId > giWorksheetIdCounter)
{
giWorksheetIdCounter = (int)sheet.SheetId;
}
}
else if (oxr.ElementType == typeof(DefinedName))
{
dn = (DefinedName)oxr.LoadCurrentElement();
sldn = new SLDefinedName(dn.Name.Value);
sldn.FromDefinedName(dn);
slwb.DefinedNames.Add(sldn);
}
else if (oxr.ElementType == typeof(PivotCache))
{
// cache IDs supposed to be unique, so I'm not gonna check for the hash set
slwb.PivotTableCacheIds.Add(((PivotCache)oxr.LoadCurrentElement()).CacheId.Value);
}
}
}
if (wbp.Workbook.WorkbookProperties != null)
{
slwb.WorkbookProperties.FromWorkbookProperties(wbp.Workbook.WorkbookProperties);
}
if (wbp.CalculationChainPart != null)
{
int iCurrentSheetId = 0;
SLCalculationCell slcc = new SLCalculationCell(string.Empty);
CalculationCell cc;
using (OpenXmlReader oxr = OpenXmlReader.Create(wbp.CalculationChainPart))
{
while (oxr.Read())
{
if (oxr.ElementType == typeof(CalculationCell))
{
cc = (CalculationCell)oxr.LoadCurrentElement();
if (cc.SheetId == null)
{
cc.SheetId = iCurrentSheetId;
}
else
{
if (cc.SheetId.Value != iCurrentSheetId)
iCurrentSheetId = cc.SheetId.Value;
}
slcc.FromCalculationCell(cc);
slwb.CalculationCells.Add(slcc.Clone());
}
}
}
}
// To determine the type of sheet. Do this before the part
// where the table and pivot table parts are set.
bool bFound = false;
string sRelID = string.Empty;
foreach (SLSheet sheet in slwb.Sheets)
{
bFound = false;
foreach (WorksheetPart wspFound in wbp.WorksheetParts)
{
sRelID = wbp.GetIdOfPart(wspFound);
if (sheet.Id.Equals(sRelID, StringComparison.OrdinalIgnoreCase))
{
sheet.SheetType = SLSheetType.Worksheet;
bFound = true;
break;
}
}
if (!bFound)
{
foreach (ChartsheetPart csp in wbp.ChartsheetParts)
{
sRelID = wbp.GetIdOfPart(csp);
if (sheet.Id.Equals(sRelID, StringComparison.OrdinalIgnoreCase))
{
sheet.SheetType = SLSheetType.Chartsheet;
bFound = true;
break;
}
}
}
if (!bFound)
{
foreach (DialogsheetPart dsp in wbp.DialogsheetParts)
{
sRelID = wbp.GetIdOfPart(dsp);
if (sheet.Id.Equals(sRelID, StringComparison.OrdinalIgnoreCase))
{
sheet.SheetType = SLSheetType.DialogSheet;
bFound = true;
break;
}
}
}
if (!bFound)
{
foreach (MacroSheetPart msp in wbp.MacroSheetParts)
{
sRelID = wbp.GetIdOfPart(msp);
if (sheet.Id.Equals(sRelID, StringComparison.OrdinalIgnoreCase))
{
sheet.SheetType = SLSheetType.Macrosheet;
bFound = true;
break;
}
}
}
}
WorksheetPart wsp;
foreach (SLSheet sheet in slwb.Sheets)
{
if (sheet.SheetType == SLSheetType.Worksheet)
{
wsp = (WorksheetPart)wbp.GetPartById(sheet.Id);
foreach (TableDefinitionPart tdp in wsp.TableDefinitionParts)
{
if (tdp.Table.Id != null && !slwb.TableIds.Contains(tdp.Table.Id.Value))
slwb.TableIds.Add(tdp.Table.Id.Value);
if (tdp.Table.Name != null && !slwb.TableNames.Contains(tdp.Table.Name.Value))
slwb.TableNames.Add(tdp.Table.Name.Value);
}
foreach (PivotTablePart ptp in wsp.PivotTableParts)
{
if (ptp.PivotTableDefinition.Name != null
&& !slwb.PivotTableNames.Contains(ptp.PivotTableDefinition.Name.Value))
slwb.PivotTableNames.Add(ptp.PivotTableDefinition.Name.Value);
// the cache ID should already be added, from the workbook part above.
// But we check again just to be sure. Cache IDs have to be unique throughout
// the workbook.
if (ptp.PivotTableDefinition.CacheId != null
&& !slwb.PivotTableCacheIds.Contains(ptp.PivotTableDefinition.CacheId.Value))
slwb.PivotTableCacheIds.Add(ptp.PivotTableDefinition.CacheId.Value);
}
}
}
string sWorksheetName = SLConstants.DefaultFirstSheetName;
int i = 1;
bool bCannotFind = true;
bool bIsLegit = true;
if (wbp.WorksheetParts.Count() == 0)
{
// no worksheets! Apparently an Excel file with only 1 dialog sheet is perfectly legit...
// come up with a legit worksheet name that's not already taken...
i = 1;
bCannotFind = true;
while (bCannotFind)
{
sWorksheetName = string.Format("Sheet{0}", i);
bIsLegit = true;
foreach (SLSheet sheet in slwb.Sheets)
{
if (sheet.Name.Equals(sWorksheetName, StringComparison.OrdinalIgnoreCase))
{
bIsLegit = false;
break;
}
}
++i;
if (bIsLegit) bCannotFind = false;
}
AddWorksheet(sWorksheetName);
}
else
{
bFound = false;
// there's a given worksheet name
if (SheetNameOnOpen.Length > 0)
{
foreach (SLSheet sheet in slwb.Sheets)
{
if (sheet.Name.Equals(SheetNameOnOpen, StringComparison.OrdinalIgnoreCase)
&& sheet.SheetType == SLSheetType.Worksheet)
{
giSelectedWorksheetID = sheet.SheetId;
gsSelectedWorksheetName = sheet.Name;
gsSelectedWorksheetRelationshipID = sheet.Id;
bFound = true;
break;
}
}
}
else
{
// we try to get the "actively selected" worksheet already selected.
uint iActiveTab = 0;
if (slwb.WorkbookViews.Count > 0)
{
iActiveTab = slwb.WorkbookViews[0].ActiveTab;
}
// there should be at least *this* number of sheets (whether it's a worksheet
// chartsheet or whatnot).
if (slwb.Sheets.Count > iActiveTab
&& slwb.Sheets[(int)iActiveTab].SheetType == SLSheetType.Worksheet)
{
giSelectedWorksheetID = slwb.Sheets[(int)iActiveTab].SheetId;
gsSelectedWorksheetName = slwb.Sheets[(int)iActiveTab].Name;
gsSelectedWorksheetRelationshipID = slwb.Sheets[(int)iActiveTab].Id;
bFound = true;
}
}
if (!bFound)
{
// we get here either if there's no given worksheet name (bFound is still false),
// or there's a given worksheet name but corresponding values weren't found.
// The given worksheet name must be that of a worksheet. A chartsheet name is
// considered "invalid".
// Either way, we use the first available worksheet as the selected worksheet.
wsp = wbp.WorksheetParts.First();
sRelID = wbp.GetIdOfPart(wsp);
foreach (SLSheet sheet in slwb.Sheets)
{
if (sheet.Id.Equals(sRelID, StringComparison.OrdinalIgnoreCase))
{
giSelectedWorksheetID = sheet.SheetId;
gsSelectedWorksheetName = sheet.Name;
gsSelectedWorksheetRelationshipID = sheet.Id;
bFound = true;
break;
}
}
}
if (bFound)
{
// A viable worksheet should be found by now. Otherwise, it's probably
// a corrupted spreadsheet...
LoadSelectedWorksheet();
IsNewWorksheet = false;
}
else
{
// why is it not found!?! The file is corrupted somehow... we'll try to recover
// by adding a new worksheet and selecting it. Same algorithm as above.
i = 1;
bCannotFind = true;
while (bCannotFind)
{
sWorksheetName = string.Format("Sheet{0}", i);
bIsLegit = true;
foreach (SLSheet sheet in slwb.Sheets)
{
if (sheet.Name.Equals(sWorksheetName, StringComparison.OrdinalIgnoreCase))
{
bIsLegit = false;
break;
}
}
++i;
if (bIsLegit) bCannotFind = false;
}
AddWorksheet(sWorksheetName);
}
}
}
/// <summary>
/// Insert a table into the currently selected worksheet.
/// </summary>
/// <param name="Table">An SLTable object with the properties already set.</param>
/// <returns>True if the table is successfully inserted. False otherwise. If it failed, check if the given table overlaps any existing tables or merged cell range.</returns>
public bool InsertTable(SLTable Table)
{
// This is the separating axis theorem. See merging cells for more details.
// We're checking if the table collides with merged cells, the worksheet's autofilter range
// and existing tables.
// Technically, Excel unmerges cells when a table overlaps a merged cell range.
// We're just going to fail that.
bool result = true;
int i, j;
for (i = 0; i < slws.MergeCells.Count; ++i)
{
if (!(Table.EndRowIndex < slws.MergeCells[i].StartRowIndex
|| Table.StartRowIndex > slws.MergeCells[i].EndRowIndex
|| Table.EndColumnIndex < slws.MergeCells[i].StartColumnIndex
|| Table.StartColumnIndex > slws.MergeCells[i].EndColumnIndex))
{
result = false;
break;
}
}
if (slws.HasAutoFilter)
{
if (!(Table.EndRowIndex < slws.AutoFilter.StartRowIndex
|| Table.StartRowIndex > slws.AutoFilter.EndRowIndex
|| Table.EndColumnIndex < slws.AutoFilter.StartColumnIndex
|| Table.StartColumnIndex > slws.AutoFilter.EndColumnIndex))
{
result = false;
}
}
if (!result) return false;
for (i = 0; i < slws.Tables.Count; ++i)
{
if (!(Table.EndRowIndex < slws.Tables[i].StartRowIndex
|| Table.StartRowIndex > slws.Tables[i].EndRowIndex
|| Table.EndColumnIndex < slws.Tables[i].StartColumnIndex
|| Table.StartColumnIndex > slws.Tables[i].EndColumnIndex))
{
result = false;
break;
}
}
if (result)
{
// sorting first!
// We'll do just one level deep sorting. Multiple level sorting is hard...
if (Table.HasSortState && Table.SortState.SortConditions.Count > 0)
{
bool bSortAscending = true;
if (Table.SortState.SortConditions[0].Descending != null)
bSortAscending = !Table.SortState.SortConditions[0].Descending.Value;
this.Sort(Table.SortState.StartRowIndex, Table.SortState.StartColumnIndex,
Table.SortState.EndRowIndex, Table.SortState.EndColumnIndex, true,
Table.SortState.SortConditions[0].StartColumnIndex, bSortAscending);
}
// filtering next! Because rows might be hidden
int iStartRowIndex = -1;
int iEndRowIndex = -1;
if (Table.HeaderRowCount > 0) iStartRowIndex = Table.StartRowIndex + 1;
else iStartRowIndex = Table.StartRowIndex;
// not inclusive of the last totals row
iEndRowIndex = Table.EndRowIndex - 1;
SLTableColumn tc;
SLCellPoint pt;
List<SLCell> cells;
SLCell c;
string sResultText = string.Empty;
SLCalculationCell cc;
uint iStyleIndex;
for (j = 0; j < Table.TableColumns.Count; ++j)
{
tc = Table.TableColumns[j];
if (tc.TotalsRowLabel != null && tc.TotalsRowLabel.Length > 0)
{
c = new SLCell();
c.DataType = CellValues.SharedString;
c.NumericValue = this.DirectSaveToSharedStringTable(SLTool.XmlWrite(tc.TotalsRowLabel));
slws.Cells[new SLCellPoint(Table.EndRowIndex, Table.StartColumnIndex + j)] = c;
}
if (tc.HasTotalsRowFunction)
{
cells = new List<SLCell>();
for (i = iStartRowIndex; i <= iEndRowIndex; ++i)
{
pt = new SLCellPoint(i, Table.StartColumnIndex + j);
if (slws.Cells.ContainsKey(pt))
{
cells.Add(slws.Cells[pt].Clone());
}
}
c = new SLCell();
c.CellFormula = new SLCellFormula();
c.CellFormula.FormulaText = string.Format("SUBTOTAL({0},[{1}])", this.GetFunctionNumber(tc.TotalsRowFunction), tc.Name);
if (!this.Calculate(tc.TotalsRowFunction, cells, out sResultText))
{
c.DataType = CellValues.Error;
}
c.CellText = sResultText;
pt = new SLCellPoint(Table.EndRowIndex, Table.StartColumnIndex + j);
iStyleIndex = 0;
if (slws.RowProperties.ContainsKey(pt.RowIndex)) iStyleIndex = slws.RowProperties[pt.RowIndex].StyleIndex;
if (iStyleIndex == 0 && slws.ColumnProperties.ContainsKey(pt.ColumnIndex)) iStyleIndex = slws.ColumnProperties[pt.ColumnIndex].StyleIndex;
if (iStyleIndex != 0) c.StyleIndex = (uint)iStyleIndex;
slws.Cells[pt] = c;
cc = new SLCalculationCell(SLTool.ToCellReference(Table.EndRowIndex, Table.StartColumnIndex + j));
cc.SheetId = (int)giSelectedWorksheetID;
slwb.AddCalculationCell(cc);
}
}
if (slwb.HasTableName(Table.DisplayName) || Table.DisplayName.Contains(" "))
{
slwb.RefreshPossibleTableId();
Table.Id = slwb.PossibleTableId;
Table.sDisplayName = string.Format("Table{0}", Table.Id.ToString(CultureInfo.InvariantCulture));
Table.Name = Table.sDisplayName;
}
if (!slwb.TableIds.Contains(Table.Id)) slwb.TableIds.Add(Table.Id);
if (!slwb.TableNames.Contains(Table.DisplayName)) slwb.TableNames.Add(Table.DisplayName);
slws.Tables.Add(Table.Clone());
}
return result;
}
