private void treeViewParser_AfterSelect(object sender, TreeViewEventArgs e)
{
TreeNode selectedNode = e.Node;
FieldItem fieldItem = null;
if (null != selectedNode)
{
if (selectedNode.Tag is FieldItem)
{
fieldItem = (FieldItem)selectedNode.Tag;
}
}
int binarySelectStart = 0;
int binarySelectLength = 0;
if (null != fieldItem)
{
if (selectedDataStore != fieldItem.GetDataStore())
{
richTextBoxHexString.Clear();
//Display the hex string.
richTextBoxHexString.Text = fieldItem.GetDataStoreHexString();
//Set it as current selected.
selectedDataStore = fieldItem.GetDataStore();
}
//Select the bytes for this field.
Int64 offsetStart = fieldItem.Offset / 8;
Int64 offsetEnd = (fieldItem.Offset + fieldItem.Length) / 8;
//Block start and block end.
Int64 blockStart = fieldItem.Offset / 64; //To calculate the count of Environment.NewLine.
Int64 blockEnd = (fieldItem.Offset + fieldItem.Length) / 64; //To calculate the count of Environment.NewLine.
if (0 != (fieldItem.Offset + fieldItem.Length) % 8)
{
offsetEnd++;
}
if (0 == ((fieldItem.Offset + fieldItem.Length) % 64))
{
blockEnd--;
}
richTextBoxHexString.Select((int)(offsetStart * 3 + blockStart), (int)((offsetEnd - offsetStart) * 3 + (blockEnd - blockStart)));
richTextBoxHexString.SelectionColor = Color.Red;
//richTextBoxHexString.ScrollToCaret();
//To show the detail field property as below.
/*
* Binary :10100010 11000011 00101001 01000001
* Heximal : A2C32941
* Decimal : 2730699073
* Length : 4 byte
* Length : 32 bit
* Position: 12 byte
* Position: 96 bit
*/
String binaryStr = null;
String hexStr = null;
String decimalStr = null;
//We'll show the fieldValue only when the bit length is less then 64.
if ((64 >= fieldItem.Length) && (fieldItem.Type == ItemType.FIELD))
{
Int64 bytesValue = 0;
byte[] data = selectedDataStore.GetData();
for (Int64 i = offsetStart; i < offsetEnd; i++)
{
bytesValue = bytesValue << 8;
bytesValue = bytesValue | data[i];
}
String binary = "Binary :";
binaryStr = binary + Utility.GetValueBinaryString(bytesValue, (offsetEnd - offsetStart) * 8);
hexStr = "Heximal :" + Utility.GetValueHexString(fieldItem.Value, fieldItem.Length);
decimalStr = "Decimal :" + Utility.GetValueDecimalString(fieldItem.Value, fieldItem.Length);
//Select those bits belonged to this field.
Int64 spaceCount = (fieldItem.Offset + fieldItem.Length) / 8 - (fieldItem.Offset) / 8;
String lengthPositionStr = String.Format("Length :{0}-byte" + Environment.NewLine
+ "Length :{1}-bit" + Environment.NewLine
+ "Offset :{2}-byte" + Environment.NewLine
+ "Offset :{3}-bit",
offsetEnd - offsetStart,
fieldItem.Length,
fieldItem.Offset / 8,
fieldItem.Offset);
richTextBoxProperty.Text = binaryStr + Environment.NewLine
+ hexStr + Environment.NewLine
+ decimalStr + Environment.NewLine
+ lengthPositionStr + Environment.NewLine;
binarySelectStart = (int)(binary.Length + fieldItem.Offset % 8);
binarySelectLength = (int)(fieldItem.Length + spaceCount);
}
else
{
String lengthPositionStr = String.Format("Length :{0}-byte" + Environment.NewLine
+ "Length :{1}-bit" + Environment.NewLine
+ "Offset :{2}-byte" + Environment.NewLine
+ "Offset :{3}-bit",
offsetEnd - offsetStart,
fieldItem.Length,
fieldItem.Offset / 8,
fieldItem.Offset);
richTextBoxProperty.Text = binaryStr + Environment.NewLine
+ hexStr + Environment.NewLine
+ decimalStr + Environment.NewLine
+ lengthPositionStr + Environment.NewLine;
}
//Show the repeat number.
String repeatStr = "Repeat :" + selectedDataStore.GetRepeatTimes();
richTextBoxProperty.AppendText(repeatStr + Environment.NewLine);
//Show the packet metadata.
List <TsPacketMetadata> packetMetadataList = selectedDataStore.GetPacketMetadataList();
richTextBoxProperty.AppendText("Packet Count: " + packetMetadataList.Count + Environment.NewLine);
String packetMetadataStr = "(Packet Number,File Offset): ";
foreach (TsPacketMetadata packetMetadata in packetMetadataList)
{
packetMetadataStr += " (" + packetMetadata.PacketNumber + "," + packetMetadata.FileOffset + ")";
}
richTextBoxProperty.AppendText(packetMetadataStr + Environment.NewLine);
if (binarySelectLength != 0)
{
//Select the binary bits finally. We can't make the selection and then insert new sectionDetail. It will not work in such case.
richTextBoxProperty.Select(binarySelectStart, binarySelectLength);
richTextBoxProperty.SelectionColor = Color.Red;
//richTextBoxProperty.ScrollToCaret();
}
}//null != fieldItem
}