private void NullifyInternalDataStores()
{
slwb = null;
slws = null;
SimpleTheme = null;
wbp = null;
this.DocumentProperties = null;
dictBuiltInNumberingFormat = null;
dictBuiltInNumberingFormatHash = null;
dictStyleNumberingFormat = null;
dictStyleNumberingFormatHash = null;
//countStyle = 0;
listStyle = null;
dictStyleHash = null;
//countStyleFont = 0;
listStyleFont = null;
dictStyleFontHash = null;
//countStyleFill = 0;
listStyleFill = null;
dictStyleFillHash = null;
//countStyleBorder = 0;
listStyleBorder = null;
dictStyleBorderHash = null;
//countStyleCellStyle = 0;
listStyleCellStyle = null;
dictStyleCellStyleHash = null;
//countStyleCellStyleFormat = 0;
listStyleCellStyleFormat = null;
dictStyleCellStyleFormatHash = null;
//countStyleDifferentialFormat = 0;
listStyleDifferentialFormat = null;
dictStyleDifferentialFormatHash = null;
//countStyleTableStyle = 0;
listStyleTableStyle = null;
dictStyleTableStyleHash = null;
//countSharedString = 0;
listSharedString = null;
dictSharedStringHash = null;
StylesheetColors = null;
TableStylesDefaultTableStyle = null;
TableStylesDefaultPivotStyle = null;
}
private void OpenExistingSpreadsheet(string SheetNameOnOpen)
{
xl = SpreadsheetDocument.Open(memstream, true);
wbp = xl.WorkbookPart;
IsNewSpreadsheet = false;
slwb = new SLWorkbook();
this.DocumentProperties = new SLDocumentProperties();
this.LoadDocumentProperties();
LoadBuiltInNumberingFormats();
InitialiseStylesheetWhatNots(SLThemeTypeValues.Office);
LoadSharedStringTable();
giWorksheetIdCounter = 0;
using (OpenXmlReader oxr = OpenXmlReader.Create(wbp))
{
Sheet s;
SLSheet sheet;
DefinedName dn;
SLDefinedName sldn;
while (oxr.Read())
{
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);
}
}
}
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);
}
}
}
}
WorksheetPart wsp;
foreach (SLSheet sheet in slwb.Sheets)
{
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);
}
}
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.InvariantCultureIgnoreCase))
{
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.InvariantCultureIgnoreCase))
{
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.InvariantCultureIgnoreCase))
{
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.InvariantCultureIgnoreCase))
{
sheet.SheetType = SLSheetType.Macrosheet;
bFound = true;
break;
}
}
}
}
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.InvariantCultureIgnoreCase))
{
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.InvariantCultureIgnoreCase)
&& sheet.SheetType == SLSheetType.Worksheet)
{
giSelectedWorksheetID = sheet.SheetId;
gsSelectedWorksheetName = sheet.Name;
gsSelectedWorksheetRelationshipID = sheet.Id;
bFound = true;
break;
}
}
}
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.InvariantCultureIgnoreCase))
{
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.InvariantCultureIgnoreCase))
{
bIsLegit = false;
break;
}
}
++i;
if (bIsLegit) bCannotFind = false;
}
AddWorksheet(sWorksheetName);
}
}
}
/// <summary>
/// Create a new spreadsheet with a custom theme.
/// </summary>
/// <param name="ThemeSettings">Custom theme settings.</param>
public SLDocument(SLThemeSettings ThemeSettings)
{
memstream = new MemoryStream();
xl = SpreadsheetDocument.Create(memstream, SpreadsheetDocumentType.Workbook);
wbp = xl.AddWorkbookPart();
IsNewSpreadsheet = true;
slwb = new SLWorkbook();
this.DocumentProperties = new SLDocumentProperties();
this.DocumentProperties.Created = DateTime.UtcNow.ToString(SLConstants.W3CDTF);
LoadBuiltInNumberingFormats();
InitialiseStylesheetWhatNots(ThemeSettings);
LoadSharedStringTable();
InitialiseNewSpreadsheet();
}