public new void NewsPictureDelete(NewsPicture entity)
{
// check permission: admin
PrincipalPermission permAdmin = new PrincipalPermission(Thread.CurrentPrincipal.Identity.Name, "Administrator");
permAdmin.Demand();
TraceCallEnterEvent.Raise();
try
{
FileDataContext fileDataContext = new FileDataContext();
string ext = Path.GetExtension(entity.PictureUrl).ToLower();
string fileName = entity.ID.ToString() + ext;
fileDataContext.NewsPictureDelete(entity.NewsRef, fileName);
base.NewsPictureDelete(entity);
BusinessAuditEvent.Success();
TraceCallReturnEvent.Raise();
return;
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
BusinessAuditEvent.Fail(
new EventParameter("Exception", ex.ToString())
);
TraceCallReturnEvent.Raise(false);
throw;
}
}
public virtual void NewsPictureDelete(NewsPicture entity)
{
TraceCallEnterEvent.Raise();
try
{
m_DataContext.BeginNestedTran();
try
{
m_DataContext.ndihdNewsPictureDelete(entity.ID);
m_DataContext.CommitNested();
}
catch
{
m_DataContext.RollbackNested();
throw;
}
TraceCallReturnEvent.Raise();
return;
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
TraceCallReturnEvent.Raise(false);
throw;
}
}
public new void NewsPictureInsert(NewsPicture entity)
{
// check permission: admin
PrincipalPermission permAdmin = new PrincipalPermission(Thread.CurrentPrincipal.Identity.Name, "Administrator");
permAdmin.Demand();
TraceCallEnterEvent.Raise();
try
{
// check required fields:
if (entity.Title.Length == 0)
throw new ArgumentNullException("NewsPicture.Title", "A képaláírás nincs megadva.");
if (entity.PictureUrl.Length == 0 || entity.PictureUrl == DBString.Null)
throw new ArgumentNullException("NewsPicture.PictureUrl", "A fájlnév nincs megadva.");
if (entity.PictureData == null || entity.PictureData.Length == 0)
throw new ArgumentNullException("NewsPicture.PictureData", "A kép nincs megadva.");
// logical checks:
string ext = Path.GetExtension(entity.PictureUrl).ToLower();
if (!(ext.Equals(".gif") || ext.Equals(".jpg") || ext.Equals(".jpeg")))
throw new ApplicationException("Csak jpeg vagy gif formátumú kép csatolható.");
FileDataContext fileDataContext = new FileDataContext();
string fileName = entity.ID.ToString() + ext;
fileDataContext.NewsPictureInsert(entity.NewsRef, fileName, entity.PictureData);
base.NewsPictureInsert(entity);
BusinessAuditEvent.Success();
TraceCallReturnEvent.Raise();
return;
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
BusinessAuditEvent.Fail(
new EventParameter("Exception", ex.ToString())
);
TraceCallReturnEvent.Raise(false);
throw;
}
}
/// <summary>
/// Add a NewsPicture to the list.
/// </summary>
private void AddPicture()
{
// Validate controls
if (txtUrlOther.Text.Length == 0)
{
MessageBox.Show("A kép nincs megadva. Válassza ki a kívánt képet!",
"NDI HelpDesk Adminisztrátor", MessageBoxButtons.OK, MessageBoxIcon.Information);
btnPictureUrlOther.Select();
return;
}
if (txtPictureTitle.Text.Length == 0)
{
MessageBox.Show("A képaláírás nincs megadva. Adja meg a képaláírást a beviteli mezõben!",
"NDI HelpDesk Adminisztrátor", MessageBoxButtons.OK, MessageBoxIcon.Information);
txtPictureTitle.Select();
return;
}
if (!File.Exists(txtUrlOther.Text))
{
MessageBox.Show("A fájl nem található. Válassza ki a kívánt képet!",
"NDI HelpDesk Adminisztrátor", MessageBoxButtons.OK, MessageBoxIcon.Information);
btnPictureUrlOther.Select();
return;
}
try
{
// Add to container
NewsPicture item = new NewsPicture(new DBGuid(Guid.NewGuid()));
item.NewsRef = CurrentID;
item.Title = txtPictureTitle.Text;
item.PictureUrl = Path.GetFileName(txtUrlOther.Text);
// Get picture data
FileStream stream = new FileStream(txtUrlOther.Text, FileMode.Open, FileAccess.Read);
int fileSize = Convert.ToInt32(stream.Length);
item.PictureData = new byte[fileSize];
stream.Read(item.PictureData, 0, fileSize);
stream.Close();
//item.PicturePath = this.m_strPictureUrlOther;
m_CurrentNews.NewsPictures.Add(item);
// Refresh grid
FillDatagrid(item.ID);
txtPictureTitle.Text = "";
txtUrlOther.Text = "";
}
catch (Exception ex)
{
// --- Log exception
ExceptionManager.Publish(ex);
// --- Display Exception
ErrorHandler.DisplayError("Nem várt hiba lépett fel a kép hozzáadása során.", ex);
}
}
// -------------------------------------------------------------------------------------
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="origInstance">Original document data to copy.</param>
// -------------------------------------------------------------------------------------
public NewsPicture(NewsPicture origInstance)
: base(origInstance)
{
}
// -------------------------------------------------------------------------------------
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="IDVal">Value of 'uID' field</param>
/// <param name="origInstance">Original document data to copy.</param>
// -------------------------------------------------------------------------------------
public NewsPicture(DBGuid IDVal,
NewsPicture origInstance)
: base(IDVal, origInstance)
{
}
public virtual void NewsPictureUpdate(NewsPicture entity)
{
TraceCallEnterEvent.Raise();
try
{
m_DataContext.BeginNestedTran();
try
{
int count;
m_DataContext.ndihdNewsPictureUpdate(entity.ID,
entity.Title,
entity.PictureUrl,
entity.NewsRef, out count);
if (count == 0) throw new ServiceUpdateException();
m_DataContext.CommitNested();
}
catch
{
m_DataContext.RollbackNested();
throw;
}
TraceCallReturnEvent.Raise();
return;
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
TraceCallReturnEvent.Raise(false);
throw;
}
}
public virtual NewsPicture NewsPictureSelect(DBGuid IDVal)
{
TraceCallEnterEvent.Raise();
try
{
NewsPicture result = null;
DataSet entitySet = m_DataContext.ndihdNewsPictureSelect(IDVal);
if (entitySet.Tables[0].Rows.Count != 0)
{
result = new NewsPicture(entitySet);
}
TraceCallReturnEvent.Raise();
return result;
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
TraceCallReturnEvent.Raise(false);
throw;
}
}
