private void OnError(string errorMessage)
{
if (SettingsManager.Instance.UseGUI)
{
// Disable proceed button.
_differences.SetStateNext(false);
// Show error message in gui.
_differences.Status = errorMessage;
}
else if (SettingsManager.Instance.ShowProgress)
{
_progressScreenViewModel.ShowError(errorMessage);
}
else
{
// Write erro message to log.
WriteLog(errorMessage);
}
}
private void StartUpdate()
{
WriteLog(Strings.MESSAGE_START_UPDATE);
// Instantiate gui.
_differences = new Diff();
_progress = new Progress();
// Continue update.
SettingsManager.Instance.ContinueUpdate = false;
// If used, set gui to initial state and register events.
if (SettingsManager.Instance.UseGUI)
{
_differences.Next += DifferencesNext;
_differences.Finish += DifferencesFinish;
_differences.Cancel += DifferencesCancel;
_differences.ProductName = Strings.LOADING;
_differences.CurrentVersion = Strings.LOADING;
_differences.NewVersion = Strings.LOADING;
_differences.ChangedFiles = Strings.LOADING;
_differences.Show();
_progress.Cancel += ProgressCancel;
_progress.Finish += ProgressFinish;
}
if (SettingsManager.Instance.ShowProgress)
{
_progressScreenViewModel = new ProgressScreenViewModel();
_progressScreenViewModel.AcknowledgeError += ProgressScreenViewModelAcknowledgeError;
_progressScreen = new ProgressScreen();
_progressScreen.DataContext = _progressScreenViewModel;
_progressScreenViewModel.ShowProgress();
_progressScreen.Show();
}
// Get VersionManger instance.
_verManager = VersionsManager.Instance;
/**
* Get local information.
*/
WriteLog(Strings.MESSAGE_AQUIRE_LOCAL_INFORMATION);
// Get local version information.
_verManager.GetLocalData();
// If an error occours during local information gathering discontinue update
if (!SettingsManager.Instance.ContinueUpdate && SettingsManager.Instance.ErrorPosition == ErrorPosition.Localinformation)
{
OnError(Strings.ERROR_GET_LOCAL);
}
// If update continues and gui is in use set current version and product name.
if (SettingsManager.Instance.ContinueUpdate)
{
if (SettingsManager.Instance.UseGUI)
{
_differences.CurrentVersion = _verManager.LocalInformation.CurrentVersion.ToString();
_differences.ProductName = _verManager.LocalInformation.ProductName;
}
}
/**
* Get remote overview.
*/
// If update continues get overview.
if (SettingsManager.Instance.ContinueUpdate)
{
WriteLog(Strings.MESSAGE_AQUIRE_REMOTE_OVERIEW);
_verManager.GetOverview();
}
// If fetching remote overview failed cancel information gathering and discontinue.
if (!SettingsManager.Instance.ContinueUpdate && SettingsManager.Instance.ErrorPosition == ErrorPosition.Overview)
{
OnError(Strings.ERROR_GET_OVERVIEW);
}
// If update continues and gu is in use, set newest avaiable version number.
if (SettingsManager.Instance.ContinueUpdate)
{
if (SettingsManager.Instance.UseGUI)
{
_differences.NewVersion = _verManager.Overview.Versions[_verManager.Overview.Versions.Count - 1].ToString();
}
}
/**
* Get remote version information.
*/
// If update continues get all remote versions from newest down to current local version.
if (SettingsManager.Instance.ContinueUpdate)
{
if (VersionsManager.Instance.LocalInformation.CurrentVersion.ToString()
!= VersionsManager.Instance.Overview.Versions[VersionsManager.Instance.Overview.Versions.Count - 1].ToString())
{
WriteLog(Strings.MESSAGE_AQUIRE_REMOTE_INFORMATION);
_verManager.GetVersions(_verManager.Overview.Versions[_verManager.Overview.Versions.Count - 1].ToString());
}
else
{
SettingsManager.Instance.NoNewVersions = true;
WriteLog(Strings.MESSAGE_NO_NEW_VERSION);
}
}
// If error occours during version fetching cancel information gathering and discontinue.
if (!SettingsManager.Instance.ContinueUpdate && SettingsManager.Instance.ErrorPosition == ErrorPosition.Remoteinformation)
{
OnError(Strings.ERROR_GET_VERSIONS);
}
// If update continues and gui is in use set number of files that will be changed during update or inform about no new version.
if (SettingsManager.Instance.ContinueUpdate)
{
if (SettingsManager.Instance.UseGUI)
{
if (SettingsManager.Instance.NoNewVersions)
{
_differences.ChangedFiles = Strings.NO_NEW_VERSION;
}
else
{
_differences.ChangedFiles = _verManager.RemoteVersions[0].Files.Count.ToString();
}
}
}
/**
* Enable next step in update process
*/
if ((!SettingsManager.Instance.UseGUI && !SettingsManager.Instance.ShowProgress) && SettingsManager.Instance.ContinueUpdate &&
!SettingsManager.Instance.NoNewVersions)
{
_updateResult = _userv.StartUpdate();
EndUpdate();
}
else if (SettingsManager.Instance.ContinueUpdate && !SettingsManager.Instance.NoNewVersions &&
SettingsManager.Instance.ShowProgress)
{
_updateResult = _userv.StartUpdate();
EndUpdate();
}
else if (SettingsManager.Instance.ContinueUpdate && !SettingsManager.Instance.NoNewVersions &&
SettingsManager.Instance.UseGUI)
{
_differences.SetStateNext(true);
}
else if (SettingsManager.Instance.NoNewVersions)
{
_userv.DeleteLocalInformations();
EndUpdate();
}
}