Fixed code so that Deletes of Procedures and Sections would no cause steps to be resequenced.

Added code to Just Get RODb and not all of it's children.
Added code to create an RoImageFile (Temporary) to be used to view and print images
Additional DEBUG info
This commit is contained in:
Rich
2009-12-07 15:55:31 +00:00
parent 0cb99bcf5e
commit 79b0bf4c1b
4 changed files with 244 additions and 4 deletions

View File

@@ -5,6 +5,7 @@ using System.Data;
using System.Data.SqlClient;
using Csla;
using Csla.Data;
using System.IO;
namespace VEPROMS.CSLA.Library
{
@@ -82,4 +83,164 @@ namespace VEPROMS.CSLA.Library
}
}
}
public class ROImageFile : IDisposable
{
private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
#region Fields
private bool _IsDisposed;
private static string _TemporaryFolder = null;
#endregion
#region Properties
public static string TemporaryFolder
{
get
{
if (_TemporaryFolder == null)
{
// This will create a Temp\VE-PROMS folder in the LocalSettings Folder.
//XP - C:\Documents and Settings\{user}\Local Settings\Application Data\Temp\VE-PROMS
//Vista - C:\Users\{user}\AppData\Local\Temp\VE-PROMS
_TemporaryFolder = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) + @"\Temp";
if (!Directory.Exists(TemporaryFolder)) Directory.CreateDirectory(TemporaryFolder);
_TemporaryFolder += @"\VE-PROMS";
if (!Directory.Exists(TemporaryFolder)) Directory.CreateDirectory(TemporaryFolder);
}
return _TemporaryFolder;
}
}
private ROImageInfo _MyROImage = null;
public ROImageInfo MyROImage
{
get { return _MyROImage; }
set
{
TryDelete();
_MyROImage = value;
CreateFile();
}
}
private FileInfo _MyFile = null;
public FileInfo MyFile
{
get { return _MyFile; }
}
private string _Extension = "TIF";
public string Extension
{
get { return _Extension; }
set { _Extension = value; }
}
#endregion
#region Private Methods
private void TryDelete()
{
if (_MyROImage == null) return;
if (_MyFile == null) return;
if (_MyFile.Exists)
{
try
{
_MyFile.Delete();
}
catch (IOException ex)
{
_MyLog.Error("TryDelete", ex);
}
finally
{
_MyFile = null;
_MyROImage = null;
}
}
}
private bool _Created = false;
private int _Unique = 0;
private string Unique
{
get
{
string retval = "";
if (_Unique != 0) retval = "_" + _Unique.ToString();
_Unique++;
return retval;
}
}
private void CreateFile()
{
while (!_Created)
CreateTemporaryFile();
}
private void CreateTemporaryFile()
{
try
{
if (_MyROImage != null)
{
_MyFile = new FileInfo(string.Format(@"{0}\tmp_{1}{2}", TemporaryFolder, Unique, MyROImage.FileName));
FileStream fs = _MyFile.Create();
fs.Write(MyROImage.Content, 0, MyROImage.Content.Length);
fs.Close();
_MyFile.CreationTime = MyROImage.DTS;
_MyFile.LastWriteTime = MyROImage.DTS;
_Created = true;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public string FullName
{
get { return _MyFile.FullName; }
set
{
if (FullName != value)
_MyFile = new FileInfo(value);
}
}
public void SaveFile()
{
// TODO: Add Try & Catch logic
if (_MyROImage == null) return;
ROImage roImage = _MyROImage.Get();
FileStream fs = _MyFile.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
Byte[] buf = new byte[_MyFile.Length];
fs.Read(buf, 0, buf.Length);
fs.Close();
//roImage.FileName;
roImage.Content = buf;
roImage.UserID = Environment.UserName;
roImage.DTS = _MyFile.LastWriteTime;
roImage.Save();
}
#endregion
#region Constructors
public ROImageFile(ROImageInfo myROImage)
{
MyROImage = myROImage;
}
#endregion
#region Destructor
~ROImageFile()
{
Dispose(false);
}
public void Dispose()
{
Dispose(false);
GC.SuppressFinalize(this);
}
protected void Dispose(bool disposing)
{
if (!_IsDisposed)
{
_IsDisposed = true;
TryDelete();
}
}
#endregion
}
}