// --- retrieve database ---
/// <summary>Updates the Get add-ons screen when entered.</summary>
private void EnterGetAddOns() {
if (!IsBusy()) {
labelDownloading.Text = Strings.GetInterfaceString("getaddons_connect");
progressbarDownloading.Style = ProgressBarStyle.Marquee;
panelPackages.Enabled = false;
CurrentDatabase = null;
CurrentDatabaseThread = new Thread(ConnectToServer);
CurrentDatabaseThread.IsBackground = true;
CurrentDatabaseThread.Start();
}
}
/// <summary>Connects to the server and populates the database fields. Intended to be executed from a worker thread.</summary>
private void ConnectToServer()
{
string[] urls = new string[] {
"http://trainsimframework.org/common/packages.dat"
};
string[] names = new string[] {
"trainsimframework.org"
};
string directory = System.IO.Path.Combine(Program.FileSystem.SettingsFolder, "Cache");
string file = System.IO.Path.Combine(directory, "packages.dat");
if (System.IO.File.Exists(file)) {
try {
if ((DateTime.Now - System.IO.File.GetLastWriteTime(file)).TotalMinutes < 10.0) {
byte[] bytes = System.IO.File.ReadAllBytes(file);
CurrentDatabase = ManagedContent.Database.Load(bytes);
this.Invoke(new ThreadStart(
() => {
labelDownloading.Text = string.Empty;
}
));
}
} catch { }
}
string error = null;
if (CurrentDatabase == null) {
for (int i = 0; i < urls.Length; i++) {
this.Invoke(new ThreadStart(
() => {
labelDownloading.Text = Interface.GetInterfaceString("getaddons_connect") + "\n" + names[i];
}
));
int size = 0;
byte[] bytes;
if (Internet.TryDownloadBytesFromUrl(urls[i], out bytes, ref size)) {
try {
CurrentDatabase = ManagedContent.Database.Load(bytes);
this.Invoke(new ThreadStart(
() => {
labelDownloading.Text = string.Empty;
}
));
try {
System.IO.Directory.CreateDirectory(directory);
} catch { }
try {
System.IO.File.WriteAllBytes(file, bytes);
} catch { }
break;
} catch (Exception ex) {
error = ex.Message;
}
}
}
}
CurrentDatabaseThread = null;
this.Invoke(new ThreadStart(
() => {
progressbarDownloading.Style = ProgressBarStyle.Blocks;
if (CurrentDatabase != null) {
panelPackages.Enabled = true;
ManagedContent.Version[] updates = GetAvailableUpdates();
if (updates != null && updates.Length != 0) {
textboxFilter.Text = string.Empty;
checkboxFilterRoutes.Checked = true;
checkboxFilterTrains.Checked = true;
checkboxFilterLibraries.Checked = true;
checkboxFilterSharedLibraries.Checked = true;
checkboxFilterNoWIPs.Checked = false;
checkboxFilterUpdates.Checked = true;
timerFilter.Enabled = false;
ShowDatabase(true);
TreeviewPackagesAfterSelect(null, null);
labelDownloading.Text = Interface.GetInterfaceString("getaddons_updates");
if (MessageBox.Show(Interface.GetInterfaceString("getaddons_updates_install"), Application.ProductName, MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) {
ButtonPackageInstallClick(updates, null);
} else {
checkboxFilterLibraries.Checked = false;
checkboxFilterSharedLibraries.Checked = false;
checkboxFilterUpdates.Checked = false;
timerFilter.Enabled = false;
ShowDatabase(false);
}
} else {
ShowDatabase(false);
}
} else if (error != null) {
labelDownloading.Text = Interface.GetInterfaceString("getaddons_connect_error") + "\n" + error;
} else {
labelDownloading.Text = Interface.GetInterfaceString("getaddons_connect_failure");
}
}
));
}