/**
* 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 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);
}
/**
* Initialization
*/
private void initialize()
{
int curpos = getPos() + HEADER_LENGTH;
int endpos = System.Math.Min(getPos() + getLength(),getStreamLength());
EscherRecord newRecord = null;
while (curpos < endpos)
{
EscherRecordData erd = new EscherRecordData(getEscherStream(),curpos);
EscherRecordType type = erd.getType();
if (type == EscherRecordType.DGG)
newRecord = new Dgg(erd);
else if (type == EscherRecordType.DG)
newRecord = new Dg(erd);
else if (type == EscherRecordType.BSTORE_CONTAINER)
newRecord = new BStoreContainer(erd);
else if (type == EscherRecordType.SPGR_CONTAINER)
newRecord = new SpgrContainer(erd);
else if (type == EscherRecordType.SP_CONTAINER)
newRecord = new SpContainer(erd);
else if (type == EscherRecordType.SPGR)
newRecord = new Spgr(erd);
else if (type == EscherRecordType.SP)
newRecord = new Sp(erd);
else if (type == EscherRecordType.CLIENT_ANCHOR)
newRecord = new ClientAnchor(erd);
else if (type == EscherRecordType.CLIENT_DATA)
newRecord = new ClientData(erd);
else if (type == EscherRecordType.BSE)
newRecord = new BlipStoreEntry(erd);
else if (type == EscherRecordType.OPT)
newRecord = new Opt(erd);
else if (type == EscherRecordType.SPLIT_MENU_COLORS)
newRecord = new SplitMenuColors(erd);
else if (type == EscherRecordType.CLIENT_TEXT_BOX)
newRecord = new ClientTextBox(erd);
else
newRecord = new EscherAtom(erd);
children.Add(newRecord);
curpos += newRecord.getLength();
}
initialized = true;
}
/**
* Initialization
*/
private void initialize()
{
int curpos = getPos() + HEADER_LENGTH;
int endpos = System.Math.Min(getPos() + getLength(), getStreamLength());
EscherRecord newRecord = null;
while (curpos < endpos)
{
EscherRecordData erd = new EscherRecordData(getEscherStream(), curpos);
EscherRecordType type = erd.getType();
if (type == EscherRecordType.DGG)
{
newRecord = new Dgg(erd);
}
else if (type == EscherRecordType.DG)
{
newRecord = new Dg(erd);
}
else if (type == EscherRecordType.BSTORE_CONTAINER)
{
newRecord = new BStoreContainer(erd);
}
else if (type == EscherRecordType.SPGR_CONTAINER)
{
newRecord = new SpgrContainer(erd);
}
else if (type == EscherRecordType.SP_CONTAINER)
{
newRecord = new SpContainer(erd);
}
else if (type == EscherRecordType.SPGR)
{
newRecord = new Spgr(erd);
}
else if (type == EscherRecordType.SP)
{
newRecord = new Sp(erd);
}
else if (type == EscherRecordType.CLIENT_ANCHOR)
{
newRecord = new ClientAnchor(erd);
}
else if (type == EscherRecordType.CLIENT_DATA)
{
newRecord = new ClientData(erd);
}
else if (type == EscherRecordType.BSE)
{
newRecord = new BlipStoreEntry(erd);
}
else if (type == EscherRecordType.OPT)
{
newRecord = new Opt(erd);
}
else if (type == EscherRecordType.SPLIT_MENU_COLORS)
{
newRecord = new SplitMenuColors(erd);
}
else if (type == EscherRecordType.CLIENT_TEXT_BOX)
{
newRecord = new ClientTextBox(erd);
}
else
{
newRecord = new EscherAtom(erd);
}
children.Add(newRecord);
curpos += newRecord.getLength();
}
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);
}
}
/**
* 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);
}
}