/// <summary>
/// Creates a button for a given link which is not connected.
/// </summary>
/// <param name="link">The link object</param>
/// <returns>A button which is used to represent an unconnected link and allows the user to connect it</returns>
private Button CreateUnconnectedLink(Link link)
{
Button b = new Button();
b.Content = String.Format(U.T("ServicesLink", "Content"), link.Provider);
b.HorizontalAlignment = HorizontalAlignment.Left;
b.MinWidth = 150;
b.Padding = new Thickness(15, 1, 15, 1);
b.Margin = new Thickness(0,5,5,5);
b.Tag = new string[] { link.Provider, link.ConnectURL };
b.Click += new RoutedEventHandler(Link_Click);
return b;
}
/// <summary>
/// Creates a list of all checkboxes for a link.
/// </summary>
/// <param name="link">The link to the third party</param>
/// <returns>A list of checkbox controls indexed by their name</returns>
private Dictionary<string, CheckBox> GetLinkCheckboxes(Link link)
{
Dictionary<string, CheckBox> checkboxes = new Dictionary<string, CheckBox>();
Dispatcher.Invoke(DispatcherPriority.Background, new Action(delegate()
{
StackPanel sp = connectedLinks[link.Provider] as StackPanel;
if (sp != null)
foreach (FrameworkElement cb in sp.Children)
if (cb is CheckBox)
checkboxes[((string[])cb.Tag)[1]] = cb as CheckBox;
}));
return checkboxes;
}
/// <summary>
/// Builds the control for managing a link to a third party.
/// </summary>
/// <param name="link">The link to the third party service</param>
private void BuildLink(Link link)
{
try
{
if (link.Connected)
{
// remove from unconnected if it exists there
if (notConnectedLinks.ContainsKey(link.Provider))
notConnectedLinks.Remove(link.Provider);
if (connectedLinks.ContainsKey(link.Provider))
{
// adapt existing control
StackPanel sp = connectedLinks[link.Provider] as StackPanel;
Dictionary<string, CheckBox> checkboxes = GetLinkCheckboxes(link);
Thickness m = new Thickness(5);
// add or modify capabilities on the link controls
if (link.CanShare && !checkboxes.ContainsKey("Share"))
sp.Children.Insert(0, CreateLinkCheckBox(link.Provider, "Share", link.DoShare));
else if (link.CanShare)
checkboxes["Share"].IsChecked = link.DoShare;
if (link.CanListen && !checkboxes.ContainsKey("Listen"))
sp.Children.Insert(1, CreateLinkCheckBox(link.Provider, "Listen", link.DoListen));
else if (link.CanListen)
checkboxes["Listen"].IsChecked = link.DoListen;
if (link.CanCreatePlaylist && !checkboxes.ContainsKey("CreatePlaylist"))
sp.Children.Insert(3, CreateLinkCheckBox(link.Provider, "CreatePlaylist", link.DoCreatePlaylist));
else if (link.CanCreatePlaylist)
checkboxes["CreatePlaylist"].IsChecked = link.DoCreatePlaylist;
if (link.CanDonate && !checkboxes.ContainsKey("Donate"))
sp.Children.Insert(2, CreateLinkCheckBox(link.Provider, "Donate", link.DoDonate));
else if (link.CanDonate)
checkboxes["Donate"].IsChecked = link.DoDonate;
// remove checkboxes for capabilities the link doesn't have
if (!link.CanShare && checkboxes.ContainsKey("Share"))
sp.Children.Remove(checkboxes["Share"]);
if (!link.CanListen && checkboxes.ContainsKey("Listen"))
sp.Children.Remove(checkboxes["Listen"]);
if (!link.CanDonate && checkboxes.ContainsKey("Donate"))
sp.Children.Remove(checkboxes["Donate"]);
if (!link.CanCreatePlaylist && checkboxes.ContainsKey("CreatePlaylist"))
sp.Children.Remove(checkboxes["CreatePlaylist"]);
}
else
{
// create new controls
StackPanel sp = new StackPanel() { Orientation = Orientation.Vertical };
Thickness m = new Thickness(5);
sp.Children.Add(new TextBlock { Text = link.Provider, FontSize = 14, Margin = new Thickness(0, 5, 0, 0) });
if (link.CanShare)
sp.Children.Add(CreateLinkCheckBox(link.Provider, "Share", link.DoShare));
if (link.CanListen)
sp.Children.Add(CreateLinkCheckBox(link.Provider, "Listen", link.DoListen));
if (link.CanCreatePlaylist)
sp.Children.Add(CreateLinkCheckBox(link.Provider, "CreatePlaylist", link.DoCreatePlaylist));
if (link.CanDonate)
sp.Children.Add(CreateLinkCheckBox(link.Provider, "Donate", link.DoDonate));
m = new Thickness(0, 5, 0, 15);
if (link.CanShare || link.CanListen || link.CanDonate || link.CanCreatePlaylist)
m.Top = 0;
Button b = new Button();
b.MinWidth = 80;
b.Padding = new Thickness(15, 1, 15, 1);
b.Margin = m;
b.Content = U.T("ServicesUnlink", "Content");
b.Tag = new string[] { link.Provider, link.URL, link.ConnectURL };
b.Click += new RoutedEventHandler(Unlink_Click);
b.HorizontalAlignment = HorizontalAlignment.Left;
sp.Tag = new string[] { link.Provider, link.URL };
sp.Children.Add(b);
connectedLinks[link.Provider] = sp;
}
}
else
{
// remove from connected if it exists there
if (connectedLinks.ContainsKey(link.Provider))
connectedLinks.Remove(link.Provider);
if (notConnectedLinks.ContainsKey(link.Provider))
{
// adapt existing control
Button b = notConnectedLinks[link.Provider] as Button;
b.Content = String.Format(U.T("ServicesLink", "Content"), link.Provider);
b.Tag = new string[] { link.Provider, link.ConnectURL };
}
else // create new controls
notConnectedLinks[link.Provider] = CreateUnconnectedLink(link);
}
// make sure all and only existing links are in GUI
for (int i = 0; i < notConnectedLinks.Count; i++)
{
if (NotConnectedLinks.Children.Count > i)
{
Button b = (Button)NotConnectedLinks.Children[i];
string modl = notConnectedLinks.ElementAt(i).Key;
string view = ((string[])b.Tag)[0];
int cmpr = String.Compare(modl, view);
if (cmpr > 0) // view needs to be removed
{
NotConnectedLinks.Children.RemoveAt(i--);
continue;
}
if (cmpr < 0) // model needs to be added to view
NotConnectedLinks.Children.Insert(i, notConnectedLinks.ElementAt(i).Value);
}
else
NotConnectedLinks.Children.Add(notConnectedLinks.ElementAt(i).Value);
}
while (NotConnectedLinks.Children.Count > notConnectedLinks.Count)
NotConnectedLinks.Children.RemoveAt(notConnectedLinks.Count);
for (int i = 0; i < connectedLinks.Count; i++)
{
if (ConnectedLinks.Children.Count > i)
{
StackPanel sp = (StackPanel)ConnectedLinks.Children[i];
string modl = connectedLinks.ElementAt(i).Key;
string view = ((string[])sp.Tag)[0];
int cmpr = String.Compare(modl, view);
while (cmpr > 0) // view needs to be removed
{
ConnectedLinks.Children.RemoveAt(i--);
continue;
}
if (cmpr < 0) // model needs to be added to view
ConnectedLinks.Children.Insert(i, connectedLinks.ElementAt(i).Value);
}
else
ConnectedLinks.Children.Add(connectedLinks.ElementAt(i).Value);
}
while (ConnectedLinks.Children.Count > connectedLinks.Count)
ConnectedLinks.Children.RemoveAt(connectedLinks.Count);
}
catch (Exception e)
{
U.L(LogLevel.Error, "CONTROL", "Could not build link controls for " + link.Provider + ": " + e.Message);
}
}