public void Invoke(EventHandler <T> handler, object sender)
{
var @new = new ExContext(Context.Current, handler, sender);
if (Interlocked.CompareExchange(ref _Context, @new, null) != null)
{
throw new InvalidOperationException();
}
Next();
}
public bool Done()
{
var xContext = _Context;
if (xContext == null)
{
return(true);
}
if (xContext.Context != Context.Current)
{
throw new InvalidOperationException();
}
#if UseInterlocked
return(Interlocked.CompareExchange(ref _Context, null, xContext) == xContext);
#else
_Context = null;
return(false);
#endif
}
public void Next()
{
var xContext = _Context;
if (xContext == null)
{
return;
}
var context = xContext.Context;
if (context != Context.Current)
{
throw new InvalidOperationException();
}
var handler = xContext.Handler;
var sender = xContext.Sender;
var current = (EventHandler <T>)handler.GetInvocationList().Last();
var remains = handler - current;
var @new = (remains == null) ? null : new ExContext(context, remains, sender);
#if UseInterlocked
if (Interlocked.CompareExchange(ref _Context, @new, xContext) != xContext)
{
throw new InvalidOperationException();
}
#else
_Context = @new;
#endif
current(sender, (T)this);
Next();
}
public void initRepositoryFromFile(string fileName)
{
ExelData exelData = new ExelData(fileName, progressChanged);
progress.Status = "Delete old visitors";
progress.Progress = 0;
using (var ctx = new ExContext())
{
int count = 1;
var collection = ctx.Visitors.ToList();
var size = collection.Count() + 1;
foreach (var u in collection)
{
progress.Progress = (int)(count * 100 / size);
progressChanged(progress);
ctx.Visitors.Remove(u);
count++;
}
ctx.SaveChanges();
}
exelData.setDataToCollection(context.Visitors, progressChanged);
context.SaveChanges();
progress.Status = "Add new data to collection";
progress.Progress = 0;
int c = 1;
var col = context.Visitors;
var s = col.Count() + 1;
foreach (var v in col)
{
progress.Progress = (int)(c * 100 / s);
progressChanged(progress);
visitorCollection.Add(v);
c++;
}
}
public CFExRepository()
{
progress = new Progress_Bar();
displaySettingCollection = new ObservableCollection <DisplaySetting>();
dsColumnSettingCollection = new ObservableCollection <DSCollumnSetting>();
visitorCollection = new ObservableCollection <Visitor>();
context = new ExContext();
var d = context.DisplaySettings.ToList();
if (d.Count() == 0)
{
//create default setting
DisplaySetting defaultSetting = new DisplaySetting {
Name = "default", IsSelected = true
};
context.DisplaySettings.Add(defaultSetting); context.SaveChanges();
//find setting in database wich contain parameter Id
var defaulSetting = context.DisplaySettings.Where(s => s.Name == "default").FirstOrDefault();
//add setting to repository
displaySettingCollection.Add(defaulSetting);
//find value Id for DisplaySettingId in DSCollumnSetting
var defaulSettingId = defaulSetting.Id;
//create collumn for default setting
//add collumn in database
context.DSCollumnSettings.Add(new DSCollumnSetting {
Name = "Id", Alias = "№", Width = 100, Visible = true, IsSelected = true, DisplaySettingId = defaulSettingId
});
context.DSCollumnSettings.Add(new DSCollumnSetting {
Name = "FirstName", Alias = "Имя", Width = 100, Visible = true, IsSelected = false, DisplaySettingId = defaulSettingId
});
context.DSCollumnSettings.Add(new DSCollumnSetting {
Name = "LastName", Alias = "Фамилия", Width = 100, Visible = true, IsSelected = false, DisplaySettingId = defaulSettingId
});
context.DSCollumnSettings.Add(new DSCollumnSetting {
Name = "Сompany", Alias = "Компания", Width = 100, Visible = true, IsSelected = false, DisplaySettingId = defaulSettingId
});
context.DSCollumnSettings.Add(new DSCollumnSetting {
Name = "Jobtitle", Alias = "Должность", Width = 100, Visible = true, IsSelected = false, DisplaySettingId = defaulSettingId
});
context.SaveChanges();
//extract collumns from database which contain parameter Id and add its into the perository
var _dsCollumnSettings = context.DSCollumnSettings;
foreach (var c in _dsCollumnSettings)
{
dsColumnSettingCollection.Add(c);
}
}
else
{
//find settings in database
var _displaySettingCollection = context.DisplaySettings;
//add setting to repository
foreach (var c in _displaySettingCollection)
{
displaySettingCollection.Add(c);
}
//extract collumns from database which contain parameter Id and add its into the perository
var _dsCollumnSettings = context.DSCollumnSettings;
foreach (var c in _dsCollumnSettings)
{
dsColumnSettingCollection.Add(c);
}
}
}
public Repository(ExContext exContext)
{
_exContext = exContext;
_table = _exContext.Set <T>();
}
