public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
string[] texts = ((string)value).Trim().Split(',');
IList <Autograph> autographs = new ObservableCollection <Autograph>();
for (int i = 0; i < texts.Length; i++)
{
if (string.IsNullOrWhiteSpace(texts[i]))
{
continue;
}
string[] tmp = texts[i].Trim().Split('.');
Autograph autograph = new Autograph();
autograph.SheetName = tmp[0];
autograph.RowIndex = System.Convert.ToInt32(tmp[1]) - 1;
autograph.ColIndex = ToIndex(tmp[2]);
autographs.Add(autograph);
}
return(autographs);
}
private void LoadPractical(string practicalFilePath)
{
FileStream fs = null;
byte[] buffer = null;
PracticalFile[] items = null;
int[] practicalProjectCountArray = null;
int[][] practicalProjectContentBufferLengthArray = null;
int[][] practicalProjectF1BufferLengthArray = null;
int[] practicalProjectF2BufferLengthArray = null;
int[] practicalNameBufferLength = null;
int[] practicalAutographCount = null;
long[] practicalContentBufferLength = null;
try
{
fs = new FileStream(practicalFilePath, FileMode.Open, FileAccess.Read);
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
items = new PracticalFile[BitConverter.ToInt32(buffer, 0)];
practicalProjectCountArray = new int[items.Length];
practicalProjectContentBufferLengthArray = new int[items.Length][];
practicalProjectF1BufferLengthArray = new int[items.Length][];
practicalProjectF2BufferLengthArray = new int[items.Length];
practicalNameBufferLength = new int[items.Length];
practicalAutographCount = new int[items.Length];
practicalContentBufferLength = new long[items.Length];
for (int i = 0; i < items.Length; i++)
{
items[i] = new PracticalFile();
}
for (int i = 0; i < items.Length; i++)
{
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
practicalAutographCount[i] = BitConverter.ToInt32(buffer, 0);
}
for (int i = 0; i < items.Length; i++)
{
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
practicalProjectCountArray[i] = BitConverter.ToInt32(buffer, 0);
practicalProjectContentBufferLengthArray[i] = new int[practicalProjectCountArray[i]];
practicalProjectF1BufferLengthArray[i] = new int[practicalProjectCountArray[i]];
}
for (int i = 0; i < items.Length; i++)
{
for (int j = 0; j < practicalProjectCountArray[i]; j++)
{
PracticalProject project = new PracticalProject();
project.Index = j;
items[i].Projects.Add(project);
}
}
for (int i = 0; i < items.Length; i++)
{
for (int j = 0; j < practicalProjectCountArray[i]; j++)
{
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
practicalProjectContentBufferLengthArray[i][j] = BitConverter.ToInt32(buffer, 0);
}
}
for (int i = 0; i < items.Length; i++)
{
for (int j = 0; j < practicalProjectCountArray[i]; j++)
{
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
practicalProjectF1BufferLengthArray[i][j] = BitConverter.ToInt32(buffer, 0);
}
}
for (int i = 0; i < items.Length; i++)
{
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
practicalProjectF2BufferLengthArray[i] = BitConverter.ToInt32(buffer, 0);
}
for (int i = 0; i < items.Length; i++)
{
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
practicalNameBufferLength[i] = BitConverter.ToInt32(buffer, 0);
}
for (int i = 0; i < items.Length; i++)
{
buffer = new byte[sizeof(long)];
fs.Read(buffer, 0, buffer.Length);
practicalContentBufferLength[i] = BitConverter.ToInt64(buffer, 0);
}
for (int i = 0; i < items.Length; i++)
{
for (int j = 0; j < practicalProjectCountArray[i]; j++)
{
buffer = new byte[practicalProjectContentBufferLengthArray[i][j]];
fs.Read(buffer, 0, buffer.Length);
items[i].Projects[j].Content = UTF8Encoding.UTF8.GetString(buffer);
}
}
for (int i = 0; i < items.Length; i++)
{
for (int j = 0; j < practicalProjectCountArray[i]; j++)
{
buffer = new byte[practicalProjectF1BufferLengthArray[i][j]];
fs.Read(buffer, 0, buffer.Length);
items[i].Projects[j].HelperText = UTF8Encoding.UTF8.GetString(buffer);
}
}
for (int i = 0; i < items.Length; i++)
{
buffer = new byte[practicalProjectF2BufferLengthArray[i]];
fs.Read(buffer, 0, buffer.Length);
items[i].HelperText = UTF8Encoding.UTF8.GetString(buffer);
}
for (int i = 0; i < items.Length; i++)
{
for (int j = 0; j < practicalAutographCount[i]; j++)
{
Autograph autograph = new Autograph();
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
buffer = new byte[BitConverter.ToInt32(buffer, 0)];
fs.Read(buffer, 0, buffer.Length);
autograph.SheetName = UTF8Encoding.UTF8.GetString(buffer);
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
autograph.RowIndex = BitConverter.ToInt32(buffer, 0);
buffer = new byte[sizeof(int)];
fs.Read(buffer, 0, buffer.Length);
autograph.ColIndex = BitConverter.ToInt32(buffer, 0);
items[i].Autographs.Add(autograph);
}
}
for (int i = 0; i < items.Length; i++)
{
buffer = new byte[practicalNameBufferLength[i]];
fs.Read(buffer, 0, buffer.Length);
items[i].Index = i;
items[i].Name = UTF8Encoding.UTF8.GetString(buffer);
items[i].Path = System.IO.Path.Combine(loadPracticalFileFolder, items[i].Name + ".xls");
for (int j = 0; j < practicalProjectCountArray[i]; j++)
{
items[i].Projects[j].PracticalName = items[i].Name;
}
}
for (int i = 0; i < items.Length; i++)
{
FileStream writeFs = null;
try
{
writeFs = new FileStream(items[i].Path, FileMode.Create, FileAccess.Write);
while (writeFs.Length != practicalContentBufferLength[i])
{
buffer = new byte[practicalContentBufferLength[i] - writeFs.Length > BUFFER_PACKAGE_LENGTH ? BUFFER_PACKAGE_LENGTH : practicalContentBufferLength[i] - writeFs.Length];
fs.Read(buffer, 0, buffer.Length);
writeFs.Write(buffer, 0, buffer.Length);
}
}
catch
{
throw;
}
finally
{
if (writeFs != null)
{
writeFs.Dispose();
}
}
}
for (int i = 0; i < items.Length; i++)
{
files.Add(items[i]);
}
}
catch
{
throw new Exception("题库加载错误。");
}
finally
{
if (fs != null)
{
fs.Dispose();
}
}
}