/**
* Collapses the drawing records into an aggregate.
*/
public static EscherAggregate CreateAggregate(IList records, int locFirstDrawingRecord, DrawingManager2 drawingManager)
{
// Keep track of any shape records Created so we can match them back to the object id's.
// Textbox objects are also treated as shape objects.
IList shapeRecords = new ArrayList();
EscherRecordFactory recordFactory = new CustomEscherRecordFactory(ref shapeRecords);
// Calculate the size of the buffer
EscherAggregate agg = new EscherAggregate(drawingManager);
int loc = locFirstDrawingRecord;
int dataSize = 0;
while (loc + 1 < records.Count
&& GetSid(records, loc) == DrawingRecord.sid
&& IsObjectRecord(records, loc + 1))
{
dataSize += ((DrawingRecord)records[loc]).Data.Length;
loc += 2;
}
// Create one big buffer
byte[] buffer = new byte[dataSize];
int offset = 0;
loc = locFirstDrawingRecord;
while (loc + 1 < records.Count
&& GetSid(records, loc) == DrawingRecord.sid
&& IsObjectRecord(records, loc + 1))
{
DrawingRecord drawingRecord = (DrawingRecord)records[loc];
Array.Copy(drawingRecord.Data, 0, buffer, offset, drawingRecord.Data.Length);
offset += drawingRecord.Data.Length;
loc += 2;
}
// Decode the shapes
// agg.escherRecords = new ArrayList();
int pos = 0;
while (pos < dataSize)
{
EscherRecord r = recordFactory.CreateRecord(buffer, pos);
int bytesRead = r.FillFields(buffer, pos, recordFactory);
agg.AddEscherRecord(r);
pos += bytesRead;
}
// Associate the object records with the shapes
loc = locFirstDrawingRecord;
int shapeIndex = 0;
agg.shapeToObj = new Hashtable();
while (loc + 1 < records.Count
&& GetSid(records, loc) == DrawingRecord.sid
&& IsObjectRecord(records, loc + 1))
{
Record objRecord = (Record)records[loc + 1];
agg.shapeToObj[shapeRecords[shapeIndex++]]= objRecord;
loc += 2;
}
return agg;
}
public EscherAggregate(DrawingManager2 drawingManager)
{
this.drawingManager = drawingManager;
}
/**
* Creates a primary drawing Group record. If it already
* exists then it's modified.
*/
public void CreateDrawingGroup()
{
if (drawingManager == null)
{
EscherContainerRecord dggContainer = new EscherContainerRecord();
EscherDggRecord dgg = new EscherDggRecord();
EscherOptRecord opt = new EscherOptRecord();
EscherSplitMenuColorsRecord splitMenuColors = new EscherSplitMenuColorsRecord();
dggContainer.RecordId=unchecked((short)0xF000);
dggContainer.Options=(short)0x000F;
dgg.RecordId=EscherDggRecord.RECORD_ID;
dgg.Options=(short)0x0000;
dgg.ShapeIdMax=1024;
dgg.NumShapesSaved=0;
dgg.DrawingsSaved=0;
dgg.FileIdClusters=new EscherDggRecord.FileIdCluster[] { };
drawingManager = new DrawingManager2(dgg);
EscherContainerRecord bstoreContainer = null;
if (escherBSERecords.Count > 0)
{
bstoreContainer = new EscherContainerRecord();
bstoreContainer.RecordId=EscherContainerRecord.BSTORE_CONTAINER;
bstoreContainer.Options=(short)((escherBSERecords.Count << 4) | 0xF);
for (IEnumerator iterator = escherBSERecords.GetEnumerator(); iterator.MoveNext(); )
{
EscherRecord escherRecord = (EscherRecord)iterator.Current;
bstoreContainer.AddChildRecord(escherRecord);
}
}
opt.RecordId=unchecked((short)0xF00B);
opt.Options=(short)0x0033;
opt.AddEscherProperty(new EscherBoolProperty(EscherProperties.TEXT__SIZE_TEXT_TO_FIT_SHAPE, 524296));
opt.AddEscherProperty(new EscherRGBProperty(EscherProperties.Fill__FillCOLOR, 0x08000041));
opt.AddEscherProperty(new EscherRGBProperty(EscherProperties.LINESTYLE__COLOR, 134217792));
splitMenuColors.RecordId=unchecked((short)0xF11E);
splitMenuColors.Options=(short)0x0040;
splitMenuColors.Color1=0x0800000D;
splitMenuColors.Color2=0x0800000C;
splitMenuColors.Color3=0x08000017;
splitMenuColors.Color4=0x100000F7;
dggContainer.AddChildRecord(dgg);
if (bstoreContainer != null)
dggContainer.AddChildRecord(bstoreContainer);
dggContainer.AddChildRecord(opt);
dggContainer.AddChildRecord(splitMenuColors);
int dgLoc = FindFirstRecordLocBySid(DrawingGroupRecord.sid);
if (dgLoc == -1)
{
DrawingGroupRecord drawingGroup = new DrawingGroupRecord();
drawingGroup.AddEscherRecord(dggContainer);
int loc = FindFirstRecordLocBySid(CountryRecord.sid);
Records.Insert(loc + 1, drawingGroup);
}
else
{
DrawingGroupRecord drawingGroup = new DrawingGroupRecord();
drawingGroup.AddEscherRecord(dggContainer);
Records[dgLoc]= drawingGroup;
}
}
}
/**
* Finds the DrawingRecord for our sheet, and
* attaches it to the DrawingManager (which knows about
* the overall DrawingGroup for our workbook).
* If requested, will Create a new DrawRecord
* if none currently exist
* @param drawingManager The DrawingManager2 for our workbook
* @param CreateIfMissing Should one be Created if missing?
*/
public int AggregateDrawingRecords(DrawingManager2 drawingManager, bool CreateIfMissing)
{
int loc = FindFirstRecordLocBySid(DrawingRecord.sid);
bool noDrawingRecordsFound = (loc == -1);
if (noDrawingRecordsFound)
{
if (!CreateIfMissing)
{
// None found, and not allowed to Add in
return -1;
}
EscherAggregate aggregate = new EscherAggregate(drawingManager);
loc = FindFirstRecordLocBySid(EscherAggregate.sid);
if (loc == -1)
{
loc = FindFirstRecordLocBySid(WindowTwoRecord.sid);
}
else
{
Records.RemoveAt(loc);
}
Records.Insert(loc, aggregate);
return loc;
}
else
{
IList records = Records;
EscherAggregate r = EscherAggregate.CreateAggregate(records, loc, drawingManager);
int startloc = loc;
while (loc + 1 < records.Count
&& records[loc] is DrawingRecord
&& (records[loc + 1] is ObjRecord ||
records[loc + 1] is TextObjectRecord)
)
{
loc += 2;
if (records[loc] is NoteRecord) loc ++;
}
int endloc = loc - 1;
for (int i = 0; i < (endloc - startloc + 1); i++)
{
records.RemoveAt(startloc);
}
records.Insert(startloc, r);
return startloc;
}
}
/**
* Finds the primary drawing Group, if one already exists
*/
public DrawingManager2 FindDrawingGroup()
{
if (drawingManager != null)
{
// We already have it!
return drawingManager;
}
// Need to Find a DrawingGroupRecord that
// Contains a EscherDggRecord
for (IEnumerator rit = records.GetEnumerator(); rit.MoveNext(); )
{
Record r = (Record)rit.Current;
if (r is DrawingGroupRecord)
{
DrawingGroupRecord dg = (DrawingGroupRecord)r;
dg.ProcessChildRecords();
EscherContainerRecord cr =
dg.GetEscherContainer();
if (cr == null)
{
continue;
}
EscherDggRecord dgg = null;
EscherContainerRecord bStore = null;
for (IEnumerator it = cr.ChildRecords.GetEnumerator(); it.MoveNext(); )
{
EscherRecord er = (EscherRecord)it.Current;
if (er is EscherDggRecord)
{
dgg = (EscherDggRecord)er;
}
else if (er.RecordId == EscherContainerRecord.BSTORE_CONTAINER)
{
bStore = (EscherContainerRecord)er;
}
}
if (dgg != null)
{
drawingManager = new DrawingManager2(dgg);
if (bStore != null)
{
foreach (EscherRecord bs in bStore.ChildRecords)
{
if (bs is EscherBSERecord)
escherBSERecords.Add((EscherBSERecord)bs);
}
}
return drawingManager;
}
}
}
// Look for the DrawingGroup record
int dgLoc = FindFirstRecordLocBySid(DrawingGroupRecord.sid);
// If there is one, does it have a EscherDggRecord?
if (dgLoc != -1)
{
DrawingGroupRecord dg =
(DrawingGroupRecord)records[dgLoc];
EscherDggRecord dgg = null;
EscherContainerRecord bStore = null;
for (IEnumerator it = dg.EscherRecords.GetEnumerator(); it.MoveNext(); )
{
EscherRecord er = (EscherRecord)it.Current;
if (er is EscherDggRecord)
{
dgg = (EscherDggRecord)er;
}
else if (er.RecordId == EscherContainerRecord.BSTORE_CONTAINER)
{
bStore = (EscherContainerRecord)er;
}
}
if (dgg != null)
{
drawingManager = new DrawingManager2(dgg);
if (bStore != null)
{
foreach (EscherRecord bs in bStore.ChildRecords)
{
if (bs is EscherBSERecord)
escherBSERecords.Add((EscherBSERecord)bs);
}
}
}
}
return drawingManager;
}
