public bool UpdateServiceItem(DataModel_Channel data)
{
// 1. find the item in DB to update
var item = from c in _dbEngine.CmtvDBContext.Service_items where c.ID == data.ID select c;
Table_Service t = item.FirstOrDefault();
// 2. assign values
t.ServiceName = data.ChannelName;
t.Description = data.Description;
t.ForFree = data.Free;
t.Genre = data.Genre;
// 3. submit changes
try
{
_dbEngine.CmtvDBContext.SubmitChanges();
}
catch
{
return(false);
}
return(true);
}
public void ReadAllChannelsToDC()
{
//if (!isAddedToCollection)
// refresh the view everytime
this.DC_AllChannels.Clear();
IEnumerator <Table_Service> enumerator = _dbEngine.CmtvDBContext.Service_items.GetEnumerator();
while (enumerator.MoveNext())
{
DataModel_Channel d = new DataModel_Channel
{
ChannelName = enumerator.Current.ServiceName,
Description = enumerator.Current.Description,
ID = enumerator.Current.ID,
Genre = enumerator.Current.Genre,
Free = enumerator.Current.ForFree,
IsFavorite = enumerator.Current.IsFavorite
};
// get the content from service ID
var contents = QueryContentFromServiceID(enumerator.Current.ID);
// only pickup the first item
if (contents.Count > 0)
{
d.CurrentContentName = contents.FirstOrDefault().ProgramName;
d.CurrentContentStartTime = contents.FirstOrDefault().StartTime;
d.CurrentContentEndTime = contents.FirstOrDefault().EndTime;
}
this.DC_AllChannels.Add(d);
}
}
public void PrepareToPlayNextChannel()
{
IEnumerator <DataModel_Channel> enumerator = _uiDataModel.DC_AllChannels.GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Current.ID == m_curPlayingChannel.ID)
{
if (enumerator.MoveNext())
{
m_curPlayingChannel = enumerator.Current;
}
else
{
// reach the end, back to the first
enumerator.Reset();
while (enumerator.MoveNext())
{
m_curPlayingChannel = enumerator.Current;
break;
}
}
break;
}
}
_provider.CancelProviding();
}
public void PrepareToPlayChannel(DataModel_Channel dc)
{
m_curPlayingChannel = dc;
_provider.CancelProviding();
// _provider.StartToProvide();
//_provider.
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
// when this page is loaded.
base.OnNavigatedTo(e);
string id = "";
if (NavigationContext.QueryString.TryGetValue("SelectedItem", out id))
{
// Initializing data collections
var dataset = App.EngineInstance.GetUIDataModel.QueryServiceFromID(id);
currentService = dataset.FirstOrDefault();
serviceExts = App.EngineInstance.GetUIDataModel.QueryServiceExtFromID(currentService.ID);
}
UpdateView();
}
public bool UpdateServiceItem(DataModel_Channel data)
{
// 1. find the item in DB to update
var item = from c in _dbEngine.CmtvDBContext.Service_items where c.ID == data.ID select c;
Table_Service t = item.FirstOrDefault();
// 2. assign values
t.ServiceName = data.ChannelName;
t.Description = data.Description;
t.ForFree = data.Free;
t.Genre = data.Genre;
// 3. submit changes
try
{
_dbEngine.CmtvDBContext.SubmitChanges();
}
catch
{
return false;
}
return true;
}
public void ReadAllChannelsToDC()
{
//if (!isAddedToCollection)
// refresh the view everytime
this.DC_AllChannels.Clear();
IEnumerator<Table_Service> enumerator = _dbEngine.CmtvDBContext.Service_items.GetEnumerator();
while (enumerator.MoveNext())
{
DataModel_Channel d = new DataModel_Channel
{
ChannelName = enumerator.Current.ServiceName,
Description = enumerator.Current.Description,
ID = enumerator.Current.ID,
Genre = enumerator.Current.Genre,
Free = enumerator.Current.ForFree,
IsFavorite = enumerator.Current.IsFavorite
};
// get the content from service ID
var contents = QueryContentFromServiceID(enumerator.Current.ID);
// only pickup the first item
if (contents.Count > 0)
{
d.CurrentContentName = contents.FirstOrDefault().ProgramName;
d.CurrentContentStartTime = contents.FirstOrDefault().StartTime;
d.CurrentContentEndTime = contents.FirstOrDefault().EndTime;
}
this.DC_AllChannels.Add(d);
}
}
public void PrepareToPlayNextChannel()
{
IEnumerator<DataModel_Channel> enumerator = _uiDataModel.DC_AllChannels.GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Current.ID == m_curPlayingChannel.ID)
{
if (enumerator.MoveNext())
m_curPlayingChannel = enumerator.Current;
else
{
// reach the end, back to the first
enumerator.Reset();
while (enumerator.MoveNext())
{
m_curPlayingChannel = enumerator.Current;
break;
}
}
break;
}
}
_provider.CancelProviding();
}
public void PrepareToPlayChannel(DataModel_Channel dc)
{
m_curPlayingChannel = dc;
_provider.CancelProviding();
// _provider.StartToProvide();
//_provider.
}
