/**
* Initialization
*/
private void initialize()
{
EscherRecordData er = new EscherRecordData(this, 0);
Assert.verify(er.isContainer());
EscherContainer dgContainer = new EscherContainer(er);
EscherRecord[] children = dgContainer.getChildren();
children = dgContainer.getChildren();
// Dg dg = (Dg) children[0];
EscherContainer spgrContainer = null;
for (int i = 0; i < children.Length && spgrContainer == null; i++)
{
EscherRecord child = children[i];
if (child.getType() == EscherRecordType.SPGR_CONTAINER)
{
spgrContainer = (EscherContainer)child;
}
}
Assert.verify(spgrContainer != null);
EscherRecord[] spgrChildren = spgrContainer.getChildren();
// See if any of the spgrChildren are SpgrContainer
bool nestedContainers = false;
for (int i = 0; i < spgrChildren.Length && !nestedContainers; i++)
{
if (spgrChildren[i].getType() == EscherRecordType.SPGR_CONTAINER)
{
nestedContainers = true;
}
}
// If there are no nested containers, simply set the spContainer list
// to be the list of children
if (!nestedContainers)
{
spContainers = spgrChildren;
}
else
{
// Go through the hierarchy and dig out all the Sp containers
ArrayList sps = new ArrayList();
getSpContainers(spgrContainer, sps);
spContainers = new EscherRecord[sps.Count];
int pos = 0;
foreach (EscherRecord record in sps)
{
spContainers[pos++] = record;
}
}
initialized = true;
}
/**
* Display the formatted escher stream
*
* @exception IOException
*/
public void display()
{
EscherRecordData er = new EscherRecordData(stream, 0);
EscherContainer ec = new EscherContainer(er);
displayContainer(ec, 0);
}
/**
* Initializes the drawing data from the escher record read in
*/
private void initialize()
{
EscherRecordData er = new EscherRecordData(this, 0);
Assert.verify(er.isContainer());
escherData = new EscherContainer(er);
Assert.verify(escherData.getLength() == drawingData.Length);
Assert.verify(escherData.getType() == EscherRecordType.DGG_CONTAINER);
initialized = true;
}
/**
* Gets the sp container for the specified drawing number
*
* @param drawingNum the drawing number for which to return the spContainer
* @return the spcontainer
*/
public EscherContainer getSpContainer(int drawingNum)
{
if (!initialized)
{
initialize();
}
if ((drawingNum + 1) >= spContainers.Length)
{
throw new DrawingDataException();
}
EscherContainer spContainer =
(EscherContainer)spContainers[drawingNum + 1];
Assert.verify(spContainer != null);
return(spContainer);
}
/**
* Gets the sp container from the internal data
*
* @param spgrContainer the spgr container
* @param sps the list of sp records
*/
private void getSpContainers(EscherContainer spgrContainer, ArrayList sps)
{
EscherRecord[] spgrChildren = spgrContainer.getChildren();
for (int i = 0; i < spgrChildren.Length; i++)
{
if (spgrChildren[i].getType() == EscherRecordType.SP_CONTAINER)
{
sps.Add(spgrChildren[i]);
}
else if (spgrChildren[i].getType() == EscherRecordType.SPGR_CONTAINER)
{
getSpContainers((EscherContainer)spgrChildren[i], sps);
}
else
{
//logger.warn("Spgr Containers contains a record other than Sp/Spgr containers");
}
}
}
/**
* Initializes the member variables from the Escher stream data
*/
private void initialize()
{
readSpContainer = drawingData.getSpContainer(drawingNumber);
Assert.verify(readSpContainer != null);
EscherRecord[] children = readSpContainer.getChildren();
Sp sp = (Sp)readSpContainer.getChildren()[0];
objectId = objRecord.getObjectId();
shapeId = sp.getShapeId();
type = ShapeType.getType(sp.getShapeType());
if (type == ShapeType.UNKNOWN)
{
//logger.warn("Unknown shape type");
}
ClientAnchor clientAnchor = null;
for (int i = 0; i < children.Length && clientAnchor == null; i++)
{
if (children[i].getType() == EscherRecordType.CLIENT_ANCHOR)
{
clientAnchor = (ClientAnchor)children[i];
}
}
if (clientAnchor == null)
{
//logger.warn("client anchor not found");
}
else
{
column = (int)clientAnchor.getX1() - 1;
row = (int)clientAnchor.getY1() + 1;
width = clientAnchor.getX2() - clientAnchor.getX1();
height = clientAnchor.getY2() - clientAnchor.getY1();
}
initialized = true;
}
/**
* Creates the main Sp container for the drawing
*
* @return the SP container
*/
public EscherContainer getSpContainer()
{
if (!initialized)
{
initialize();
}
if (origin == Origin.READ)
{
return(getReadSpContainer());
}
if (spContainer == null)
{
spContainer = new SpContainer();
Sp sp = new Sp(type, shapeId, 2560);
spContainer.add(sp);
Opt opt = new Opt();
opt.addProperty(344, false, false, 0); // ?
opt.addProperty(385, false, false, 134217808); // fill colour
opt.addProperty(387, false, false, 134217808); // background colour
opt.addProperty(959, false, false, 131074); // hide
spContainer.add(opt);
ClientAnchor clientAnchor = new ClientAnchor(column + 1.3,
System.Math.Max(0, row - 0.6),
column + 1.3 + width,
row + height,
0x1);
spContainer.add(clientAnchor);
ClientData clientData = new ClientData();
spContainer.add(clientData);
ClientTextBox clientTextBox = new ClientTextBox();
spContainer.add(clientTextBox);
}
return(spContainer);
}
/**
* Displays the escher container as text
*
* @param ec the escher container
* @param level the indent level
* @exception IOException
*/
private void displayContainer(EscherContainer ec, int level)
{
displayRecord(ec, level);
// Display the contents of the container
level++;
EscherRecord[] children = ec.getChildren();
for (int i = 0; i < children.Length; i++)
{
EscherRecord er = children[i];
if (er.getEscherData().isContainer())
{
displayContainer((EscherContainer)er, level);
}
else
{
displayRecord(er, level);
}
}
}
/**
* Copy constructor
* Uses a shallow copy for most things, since as soon as anything
* is changed, the drawing group is invalidated and all the data blocks
* regenerated
*
* @param dg the drawing group to copy
*/
public DrawingGroup(DrawingGroup dg)
{
drawingData = dg.drawingData;
escherData = dg.escherData;
bstoreContainer = dg.bstoreContainer;
initialized = dg.initialized;
drawingData = dg.drawingData;
escherData = dg.escherData;
bstoreContainer = dg.bstoreContainer;
numBlips = dg.numBlips;
numCharts = dg.numCharts;
drawingGroupId = dg.drawingGroupId;
drawingsOmitted = dg.drawingsOmitted;
origin = dg.origin;
// imageFiles = (HashMap)dg.imageFiles.clone();
imageFiles = new Dictionary <string, Drawing>(dg.imageFiles);
maxobjectId = dg.maxobjectId;
maxShapeId = dg.maxShapeId;
// Create this as empty, because all drawings will get added later
// as part of the sheet copy process
drawings = new ArrayList();
}
/**
* Creates the main Sp container for the drawing
*
* @return the SP container
*/
public EscherContainer getSpContainer()
{
if (!initialized)
{
initialize();
}
if (origin == Origin.READ)
{
return getReadSpContainer();
}
if (spContainer == null)
{
spContainer = new SpContainer();
Sp sp = new Sp(type,shapeId,2560);
spContainer.add(sp);
Opt opt = new Opt();
opt.addProperty(344,false,false,0); // ?
opt.addProperty(385,false,false,134217808); // fill colour
opt.addProperty(387,false,false,134217808); // background colour
opt.addProperty(959,false,false,131074); // hide
spContainer.add(opt);
ClientAnchor clientAnchor = new ClientAnchor(column + 1.3,
System.Math.Max(0,row - 0.6),
column + 1.3 + width,
row + height,
0x1);
spContainer.add(clientAnchor);
ClientData clientData = new ClientData();
spContainer.add(clientData);
ClientTextBox clientTextBox = new ClientTextBox();
spContainer.add(clientTextBox);
}
return spContainer;
}
/**
* Initializes the member variables from the Escher stream data
*/
private void initialize()
{
readSpContainer = drawingData.getSpContainer(drawingNumber);
Assert.verify(readSpContainer != null);
EscherRecord[] children = readSpContainer.getChildren();
Sp sp = (Sp)readSpContainer.getChildren()[0];
shapeId = sp.getShapeId();
objectId = objRecord.getObjectId();
type = ShapeType.getType(sp.getShapeType());
if (type == ShapeType.UNKNOWN)
{
//logger.warn("Unknown shape type");
}
Opt opt = (Opt)readSpContainer.getChildren()[1];
if (opt.getProperty(260) != null)
blipId = opt.getProperty(260).value;
if (opt.getProperty(261) != null)
imageFile = new System.IO.FileInfo(opt.getProperty(261).StringValue);
else
{
if (type == ShapeType.PICTURE_FRAME)
{
//logger.warn("no filename property for drawing");
imageFile = new System.IO.FileInfo(blipId.ToString().Trim());
}
}
ClientAnchor clientAnchor = null;
for (int i = 0; i < children.Length && clientAnchor == null; i++)
{
if (children[i].getType() == EscherRecordType.CLIENT_ANCHOR)
clientAnchor = (ClientAnchor)children[i];
}
if (clientAnchor == null)
{
//logger.warn("client anchor not found");
}
else
{
x = clientAnchor.getX1();
y = clientAnchor.getY1();
width = clientAnchor.getX2() - x;
height = clientAnchor.getY2() - y;
imageAnchorProperties = ImageAnchorProperties.getImageAnchorProperties(clientAnchor.getProperties());
}
if (blipId == 0)
{
//logger.warn("linked drawings are not supported");
}
initialized = true;
}
/**
* Gets the sp container from the internal data
*
* @param spgrContainer the spgr container
* @param sps the list of sp records
*/
private void getSpContainers(EscherContainer spgrContainer,ArrayList sps)
{
EscherRecord[] spgrChildren = spgrContainer.getChildren();
for (int i = 0; i < spgrChildren.Length; i++)
{
if (spgrChildren[i].getType() == EscherRecordType.SP_CONTAINER)
{
sps.Add(spgrChildren[i]);
}
else if (spgrChildren[i].getType() == EscherRecordType.SPGR_CONTAINER)
{
getSpContainers((EscherContainer)spgrChildren[i],sps);
}
else
{
//logger.warn("Spgr Containers contains a record other than Sp/Spgr containers");
}
}
}
/**
* Initialization
*/
private void initialize()
{
EscherRecordData er = new EscherRecordData(this,0);
Assert.verify(er.isContainer());
EscherContainer dgContainer = new EscherContainer(er);
EscherRecord[] children = dgContainer.getChildren();
children = dgContainer.getChildren();
// Dg dg = (Dg) children[0];
EscherContainer spgrContainer = null;
for (int i = 0; i < children.Length && spgrContainer == null; i++)
{
EscherRecord child = children[i];
if (child.getType() == EscherRecordType.SPGR_CONTAINER)
{
spgrContainer = (EscherContainer)child;
}
}
Assert.verify(spgrContainer != null);
EscherRecord[] spgrChildren = spgrContainer.getChildren();
// See if any of the spgrChildren are SpgrContainer
bool nestedContainers = false;
for (int i = 0; i < spgrChildren.Length && !nestedContainers; i++)
{
if (spgrChildren[i].getType() == EscherRecordType.SPGR_CONTAINER)
{
nestedContainers = true;
}
}
// If there are no nested containers, simply set the spContainer list
// to be the list of children
if (!nestedContainers)
spContainers = spgrChildren;
else
{
// Go through the hierarchy and dig out all the Sp containers
ArrayList sps = new ArrayList();
getSpContainers(spgrContainer,sps);
spContainers = new EscherRecord[sps.Count];
int pos = 0;
foreach (EscherRecord record in sps)
spContainers[pos++] = record;
}
initialized = true;
}
/**
* Gets the SpContainer containing the charts drawing information
*
* @return the spContainer
*/
public EscherContainer getSpContainer()
{
EscherContainer spContainer = drawingData.getSpContainer(drawingNumber);
return(spContainer);
}
/**
* Initializes the member variables from the Escher stream data
*/
private void initialize()
{
readSpContainer = drawingData.getSpContainer(drawingNumber);
Assert.verify(readSpContainer != null);
EscherRecord[] children = readSpContainer.getChildren();
Sp sp = (Sp)readSpContainer.getChildren()[0];
shapeId = sp.getShapeId();
objectId = objRecord.getObjectId();
type = ShapeType.getType(sp.getShapeType());
if (type == ShapeType.UNKNOWN)
{
//logger.warn("Unknown shape type");
}
Opt opt = (Opt)readSpContainer.getChildren()[1];
if (opt.getProperty(260) != null)
{
blipId = opt.getProperty(260).value;
}
if (opt.getProperty(261) != null)
{
imageFile = new System.IO.FileInfo(opt.getProperty(261).StringValue);
}
else
{
if (type == ShapeType.PICTURE_FRAME)
{
//logger.warn("no filename property for drawing");
imageFile = new System.IO.FileInfo(blipId.ToString().Trim());
}
}
ClientAnchor clientAnchor = null;
for (int i = 0; i < children.Length && clientAnchor == null; i++)
{
if (children[i].getType() == EscherRecordType.CLIENT_ANCHOR)
{
clientAnchor = (ClientAnchor)children[i];
}
}
if (clientAnchor == null)
{
//logger.warn("client anchor not found");
}
else
{
x = clientAnchor.getX1();
y = clientAnchor.getY1();
width = clientAnchor.getX2() - x;
height = clientAnchor.getY2() - y;
imageAnchorProperties = ImageAnchorProperties.getImageAnchorProperties(clientAnchor.getProperties());
}
if (blipId == 0)
{
//logger.warn("linked drawings are not supported");
}
initialized = true;
}
/**
* Writes out the MsoDrawing records and Obj records for each image
* and chart on the sheet
*
* @param outputFile the output file
* @exception IOException
*/
public void write(File outputFile)
{
// If there are no drawings or charts on this sheet then exit
if (drawings.Count == 0 && charts.Length == 0)
{
return;
}
// See if any drawing has been modified
bool modified = drawingsModified;
int numImages = drawings.Count;
foreach (DrawingGroupObject d in drawings)
{
if (d.getOrigin() != Origin.READ)
{
modified = true;
}
}
// If the drawing order has been muddled at all, then we'll need
// to regenerate the Escher drawing data
if (numImages > 0 && !modified)
{
DrawingGroupObject d2 = (DrawingGroupObject)drawings[0];
if (!d2.isFirst())
{
modified = true;
}
}
// Check to see if this sheet consists of just a single chart. If so
// there is no MsoDrawingRecord, so write out the data and exit
if (numImages == 0 &&
charts.Length == 1 &&
charts[0].getMsoDrawingRecord() == null)
{
modified = false; // this sheet has not been modified
}
// If no drawing has been modified, then simply write them straight out
// again and exit
if (!modified)
{
writeUnmodified(outputFile);
return;
}
object[] spContainerData = new object[numImages + charts.Length];
int length = 0;
EscherContainer firstSpContainer = null;
// Get all the spContainer byte data from the drawings
// and store in an array
for (int i = 0; i < numImages; i++)
{
DrawingGroupObject drawing = (DrawingGroupObject)drawings[i];
EscherContainer spc = drawing.getSpContainer();
if (spc != null)
{
byte[] data = spc.getData();
spContainerData[i] = data;
if (i == 0)
{
firstSpContainer = spc;
}
else
{
length += data.Length;
}
}
}
// Get all the spContainer bytes from the charts and add to the array
for (int i = 0; i < charts.Length; i++)
{
EscherContainer spContainer = charts[i].getSpContainer();
byte[] data = spContainer.getBytes(); //use getBytes instead of getData
data = spContainer.setHeaderData(data);
spContainerData[i + numImages] = data;
if (i == 0 && numImages == 0)
{
firstSpContainer = spContainer;
}
else
{
length += data.Length;
}
}
// Put the generalised stuff around the first item
DgContainer dgContainer = new DgContainer();
Dg dg = new Dg(numImages + charts.Length);
dgContainer.add(dg);
SpgrContainer spgrContainer = new SpgrContainer();
SpContainer _spContainer = new SpContainer();
Spgr spgr = new Spgr();
_spContainer.add(spgr);
Sp sp = new Sp(ShapeType.MIN, 1024, 5);
_spContainer.add(sp);
spgrContainer.add(_spContainer);
spgrContainer.add(firstSpContainer);
dgContainer.add(spgrContainer);
byte[] firstMsoData = dgContainer.getData();
// Adjust the length of the DgContainer
int len = IntegerHelper.getInt(firstMsoData[4],
firstMsoData[5],
firstMsoData[6],
firstMsoData[7]);
IntegerHelper.getFourBytes(len + length, firstMsoData, 4);
// Adjust the length of the SpgrContainer
len = IntegerHelper.getInt(firstMsoData[28],
firstMsoData[29],
firstMsoData[30],
firstMsoData[31]);
IntegerHelper.getFourBytes(len + length, firstMsoData, 28);
// Now write out each MsoDrawing record
// First MsoRecord
// test hack for form objects, to remove the ClientTextBox record
// from the end of the SpContainer
if (numImages > 0 &&
((DrawingGroupObject)drawings[0]).isFormObject())
{
byte[] msodata2 = new byte[firstMsoData.Length - 8];
System.Array.Copy(firstMsoData, 0, msodata2, 0, msodata2.Length);
firstMsoData = msodata2;
}
MsoDrawingRecord msoDrawingRecord = new MsoDrawingRecord(firstMsoData);
outputFile.write(msoDrawingRecord);
if (numImages > 0)
{
DrawingGroupObject firstDrawing = (DrawingGroupObject)drawings[0];
firstDrawing.writeAdditionalRecords(outputFile);
}
else
{
// first image is a chart
Chart chart = charts[0];
ObjRecord objRecord = chart.getObjRecord();
outputFile.write(objRecord);
outputFile.write(chart);
}
// Now do all the others
for (int i = 1; i < spContainerData.Length; i++)
{
byte[] bytes = (byte[])spContainerData[i];
// test hack for form objects, to remove the ClientTextBox record
// from the end of the SpContainer
if (i < numImages &&
((DrawingGroupObject)drawings[i]).isFormObject())
{
byte[] bytes2 = new byte[bytes.Length - 8];
System.Array.Copy(bytes, 0, bytes2, 0, bytes2.Length);
bytes = bytes2;
}
msoDrawingRecord = new MsoDrawingRecord(bytes);
outputFile.write(msoDrawingRecord);
if (i < numImages)
{
// Write anything else the object needs
DrawingGroupObject d = (DrawingGroupObject)drawings[i];
d.writeAdditionalRecords(outputFile);
}
else
{
Chart chart = charts[i - numImages];
ObjRecord objRecord = chart.getObjRecord();
outputFile.write(objRecord);
outputFile.write(chart);
}
}
// Write any tail records that need to be written
foreach (DrawingGroupObject dgo2 in drawings)
{
dgo2.writeTailRecords(outputFile);
}
}
/**
* Initializes the member variables from the Escher stream data
*/
private void initialize()
{
readSpContainer = drawingData.getSpContainer(drawingNumber);
Assert.verify(readSpContainer != null);
EscherRecord[] children = readSpContainer.getChildren();
Sp sp = (Sp)readSpContainer.getChildren()[0];
objectId = objRecord.getObjectId();
shapeId = sp.getShapeId();
type = ShapeType.getType(sp.getShapeType());
if (type == ShapeType.UNKNOWN)
{
//logger.warn("Unknown shape type");
}
ClientAnchor clientAnchor = null;
for (int i = 0; i < children.Length && clientAnchor == null; i++)
{
if (children[i].getType() == EscherRecordType.CLIENT_ANCHOR)
clientAnchor = (ClientAnchor)children[i];
}
if (clientAnchor == null)
{
//logger.warn("Client anchor not found");
}
else
{
column = (int)clientAnchor.getX1();
row = (int)clientAnchor.getY1();
}
initialized = true;
}
/**
* Writes out the drawings and the charts if nothing has been modified
*
* @param outputFile the output file
* @exception IOException
*/
private void writeUnmodified(File outputFile)
{
if (charts.Length == 0 && drawings.Count == 0)
{
// No drawings or charts
return;
}
else if (charts.Length == 0 && drawings.Count != 0)
{
// If there are no charts, then write out the drawings and return
foreach (DrawingGroupObject d in drawings)
{
outputFile.write(d.getMsoDrawingRecord());
d.writeAdditionalRecords(outputFile);
}
foreach (DrawingGroupObject d in drawings)
d.writeTailRecords(outputFile);
return;
}
else if (drawings.Count == 0 && charts.Length != 0)
{
// If there are no drawings, then write out the charts and return
Chart curChart = null;
for (int i = 0; i < charts.Length; i++)
{
curChart = charts[i];
if (curChart.getMsoDrawingRecord() != null)
outputFile.write(curChart.getMsoDrawingRecord());
if (curChart.getObjRecord() != null)
outputFile.write(curChart.getObjRecord());
outputFile.write(curChart);
}
return;
}
// There are both charts and drawings - the output
// drawing group records will need
// to be re-jigged in order to write the drawings out first, then the
// charts
int numDrawings = drawings.Count;
int length = 0;
EscherContainer[] spContainers = new EscherContainer[numDrawings + charts.Length];
bool[] isFormobject = new bool[numDrawings + charts.Length];
for (int i = 0; i < numDrawings; i++)
{
DrawingGroupObject d = (DrawingGroupObject)drawings[i];
spContainers[i] = d.getSpContainer();
if (i > 0)
length += spContainers[i].getLength();
if (d.isFormObject())
isFormobject[i] = true;
}
for (int i = 0; i < charts.Length; i++)
{
spContainers[i + numDrawings] = charts[i].getSpContainer();
length += spContainers[i + numDrawings].getLength();
}
// Put the generalised stuff around the first item
DgContainer dgContainer = new DgContainer();
Dg dg = new Dg(numDrawings + charts.Length);
dgContainer.add(dg);
SpgrContainer spgrContainer = new SpgrContainer();
SpContainer spContainer = new SpContainer();
Spgr spgr = new Spgr();
spContainer.add(spgr);
Sp sp = new Sp(ShapeType.MIN,1024,5);
spContainer.add(sp);
spgrContainer.add(spContainer);
spgrContainer.add(spContainers[0]);
dgContainer.add(spgrContainer);
byte[] firstMsoData = dgContainer.getData();
// Adjust the length of the DgContainer
int len = IntegerHelper.getInt(firstMsoData[4],
firstMsoData[5],
firstMsoData[6],
firstMsoData[7]);
IntegerHelper.getFourBytes(len + length,firstMsoData,4);
// Adjust the length of the SpgrContainer
len = IntegerHelper.getInt(firstMsoData[28],
firstMsoData[29],
firstMsoData[30],
firstMsoData[31]);
IntegerHelper.getFourBytes(len + length,firstMsoData,28);
// Now write out each MsoDrawing record and object record
// Hack to remove the last eight bytes (text box escher record)
// from the container
if (isFormobject[0] == true)
{
byte[] cbytes = new byte[firstMsoData.Length - 8];
System.Array.Copy(firstMsoData,0,cbytes,0,cbytes.Length);
firstMsoData = cbytes;
}
// First MsoRecord
MsoDrawingRecord msoDrawingRecord = new MsoDrawingRecord(firstMsoData);
outputFile.write(msoDrawingRecord);
DrawingGroupObject dgo = (DrawingGroupObject)drawings[0];
dgo.writeAdditionalRecords(outputFile);
// Now do all the others
for (int i = 1; i < spContainers.Length; i++)
{
byte[] bytes = spContainers[i].getBytes();
byte[] bytes2 = spContainers[i].setHeaderData(bytes);
// Hack to remove the last eight bytes (text box escher record)
// from the container
if (isFormobject[i] == true)
{
byte[] cbytes = new byte[bytes2.Length - 8];
System.Array.Copy(bytes2,0,cbytes,0,cbytes.Length);
bytes2 = cbytes;
}
msoDrawingRecord = new MsoDrawingRecord(bytes2);
outputFile.write(msoDrawingRecord);
if (i < numDrawings)
{
dgo = (DrawingGroupObject)drawings[i];
dgo.writeAdditionalRecords(outputFile);
}
else
{
Chart chart = charts[i - numDrawings];
ObjRecord objRecord = chart.getObjRecord();
outputFile.write(objRecord);
outputFile.write(chart);
}
}
// Write any tail records that need to be written
foreach (DrawingGroupObject dgo2 in drawings)
dgo2.writeTailRecords(outputFile);
}
/**
* Writes out the drawings and the charts if nothing has been modified
*
* @param outputFile the output file
* @exception IOException
*/
private void writeUnmodified(File outputFile)
{
if (charts.Length == 0 && drawings.Count == 0)
{
// No drawings or charts
return;
}
else if (charts.Length == 0 && drawings.Count != 0)
{
// If there are no charts, then write out the drawings and return
foreach (DrawingGroupObject d in drawings)
{
outputFile.write(d.getMsoDrawingRecord());
d.writeAdditionalRecords(outputFile);
}
foreach (DrawingGroupObject d in drawings)
{
d.writeTailRecords(outputFile);
}
return;
}
else if (drawings.Count == 0 && charts.Length != 0)
{
// If there are no drawings, then write out the charts and return
Chart curChart = null;
for (int i = 0; i < charts.Length; i++)
{
curChart = charts[i];
if (curChart.getMsoDrawingRecord() != null)
{
outputFile.write(curChart.getMsoDrawingRecord());
}
if (curChart.getObjRecord() != null)
{
outputFile.write(curChart.getObjRecord());
}
outputFile.write(curChart);
}
return;
}
// There are both charts and drawings - the output
// drawing group records will need
// to be re-jigged in order to write the drawings out first, then the
// charts
int numDrawings = drawings.Count;
int length = 0;
EscherContainer[] spContainers = new EscherContainer[numDrawings + charts.Length];
bool[] isFormobject = new bool[numDrawings + charts.Length];
for (int i = 0; i < numDrawings; i++)
{
DrawingGroupObject d = (DrawingGroupObject)drawings[i];
spContainers[i] = d.getSpContainer();
if (i > 0)
{
length += spContainers[i].getLength();
}
if (d.isFormObject())
{
isFormobject[i] = true;
}
}
for (int i = 0; i < charts.Length; i++)
{
spContainers[i + numDrawings] = charts[i].getSpContainer();
length += spContainers[i + numDrawings].getLength();
}
// Put the generalised stuff around the first item
DgContainer dgContainer = new DgContainer();
Dg dg = new Dg(numDrawings + charts.Length);
dgContainer.add(dg);
SpgrContainer spgrContainer = new SpgrContainer();
SpContainer spContainer = new SpContainer();
Spgr spgr = new Spgr();
spContainer.add(spgr);
Sp sp = new Sp(ShapeType.MIN, 1024, 5);
spContainer.add(sp);
spgrContainer.add(spContainer);
spgrContainer.add(spContainers[0]);
dgContainer.add(spgrContainer);
byte[] firstMsoData = dgContainer.getData();
// Adjust the length of the DgContainer
int len = IntegerHelper.getInt(firstMsoData[4],
firstMsoData[5],
firstMsoData[6],
firstMsoData[7]);
IntegerHelper.getFourBytes(len + length, firstMsoData, 4);
// Adjust the length of the SpgrContainer
len = IntegerHelper.getInt(firstMsoData[28],
firstMsoData[29],
firstMsoData[30],
firstMsoData[31]);
IntegerHelper.getFourBytes(len + length, firstMsoData, 28);
// Now write out each MsoDrawing record and object record
// Hack to remove the last eight bytes (text box escher record)
// from the container
if (isFormobject[0] == true)
{
byte[] cbytes = new byte[firstMsoData.Length - 8];
System.Array.Copy(firstMsoData, 0, cbytes, 0, cbytes.Length);
firstMsoData = cbytes;
}
// First MsoRecord
MsoDrawingRecord msoDrawingRecord = new MsoDrawingRecord(firstMsoData);
outputFile.write(msoDrawingRecord);
DrawingGroupObject dgo = (DrawingGroupObject)drawings[0];
dgo.writeAdditionalRecords(outputFile);
// Now do all the others
for (int i = 1; i < spContainers.Length; i++)
{
byte[] bytes = spContainers[i].getBytes();
byte[] bytes2 = spContainers[i].setHeaderData(bytes);
// Hack to remove the last eight bytes (text box escher record)
// from the container
if (isFormobject[i] == true)
{
byte[] cbytes = new byte[bytes2.Length - 8];
System.Array.Copy(bytes2, 0, cbytes, 0, cbytes.Length);
bytes2 = cbytes;
}
msoDrawingRecord = new MsoDrawingRecord(bytes2);
outputFile.write(msoDrawingRecord);
if (i < numDrawings)
{
dgo = (DrawingGroupObject)drawings[i];
dgo.writeAdditionalRecords(outputFile);
}
else
{
Chart chart = charts[i - numDrawings];
ObjRecord objRecord = chart.getObjRecord();
outputFile.write(objRecord);
outputFile.write(chart);
}
}
// Write any tail records that need to be written
foreach (DrawingGroupObject dgo2 in drawings)
{
dgo2.writeTailRecords(outputFile);
}
}