/**
* 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);
}
}
