public DataChangedEventArgs(OrganizerEvent data, IEventDataContainer dataSource)
{
this.Data = data;
this.DataSource = dataSource;
}
public DataChangedEventArgs(IEventDataContainer dataSource)
: this(null, dataSource)
{
}
private void UnSubscribeFromDataSourceEvents(IEventDataContainer dataSource)
{
dataSource.EventAdded -= new EventHandler(EventAdded);
dataSource.EventRemoved -= new EventHandler(EventRemoved);
dataSource.DataRefreshed -= new EventHandler(DataRefreshed);
}
private void SubscribeToDataSourceEvents(IEventDataContainer dataSource)
{
if (dataSource != null)
{
dataSource.EventAdded += new EventHandler(EventAdded);
dataSource.EventRemoved += new EventHandler(EventRemoved);
dataSource.DataRefreshed += new EventHandler(DataRefreshed);
}
}
public void DetachDataSource(IEventDataContainer dataSource)
{
if (dataSource == null)
{
throw new NullDataSourceException();
}
if(!this.dataSources.Contains(dataSource))
{
throw new DataSourceException();
}
this.dataSources.Remove(dataSource);
this.UnSubscribeFromDataSourceEvents(dataSource);
}
public void AtachDataSource(IEventDataContainer dataSource)
{
if (dataSource == null)
{
throw new NullDataSourceException();
}
if(this.dataSources.Contains(dataSource))
{
throw new DuplicateDataSourceException();
}
this.dataSources.Add(dataSource);
this.SubscribeToDataSourceEvents(dataSource);
}
