public ThesisViewModel(NavigationService navigationService, Thesis thesis, string pageTitle = "Edycja pracy dyplomowej") : this(thesis, pageTitle)
{
_navigationService = navigationService;
DeleteThesis = new ActionCommand(() => Delete());
SaveThesis = new ActionCommand(() => Save());
NavigateBackCommand = new NavigateCommand <ThesesViewModel>(_navigationService, () => new ThesesViewModel(_navigationService));
ShowThesisLiteratureCommand = new NavigateCommand <LiteraturesViewModel>(_navigationService, () => new LiteraturesViewModel(_navigationService, Thesis.Literatures, $"Literatura dla {Thesis.Topic}"));
ChangeBackMenuCommand = new ChangeMenuCommand <MenuViewModel>(_navigationService, () => new MenuViewModel(_navigationService));
}
/// <summary>
/// Executes the change menu command.
/// </summary>
/// <returns>The change menu command.</returns>
private async Task ExecuteChangeMenuCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
ChangeMenuCommand.ChangeCanExecute();
Page.ShowProgressIndicator();
try
{
if (haccpService.IsConnected() == false)
{
IsBusy = false;
Page.DismissPopup();
Page.DisplayAlertMessage(HACCPUtil.GetResourceString("EnableNetworkConnection"),
HACCPUtil.GetResourceString(
"YourequireanactiveInternetconnectiontoperformsomefunctionsWerecommendthatyouenableWiFiforthispurposeDatachargesmayapplyifWiFiisnotenabled"));
return;
}
if (HaccpAppSettings.SharedInstance.SiteSettings.SiteId > 0)
{
var res = await haccpService.DownloadMenus();
if (res.IsSuccess)
{
var menuLists = (IList <Menu>)res.Results;
if (menuLists.Count > 0)
{
if (!pendingTemperatureRecordsToUpload)
{
object isMenu = true;
isBackNavigation = false;
await Page.NavigateToWithSelectedObject(PageEnum.MenuChecklist, true, isMenu);
}
else
{
IsBusy = false;
Page.DismissPopup();
await
Page.ShowAlert(string.Empty,
HACCPUtil.GetResourceString(
"CannotchangetheMenuasrecordsarependingtobeuploadedTouploadtherecordsselectUploadRecordsundertheWirelessTasksmenu"));
}
}
}
else
{
IsBusy = false;
Page.DismissPopup();
await Page.ShowAlert("", res.Message);
}
}
else
{
IsBusy = false;
Page.DismissPopup();
await
Page.ShowAlert(HACCPUtil.GetResourceString("NoSiteInformationFound"),
HACCPUtil.GetResourceString(
"NositeinformationsfoundPleasetapUpdateSiteandSettingsintheWirelessTasksmenu"));
}
}
catch (Exception ex)
{
Debug.WriteLine("Ooops! Something went wrong while select menu. Exception: {0}", ex);
}
finally
{
IsBusy = false;
Page.DismissPopup();
ChangeMenuCommand.ChangeCanExecute();
}
}
/// <summary>
/// Raises the login changed event.
/// </summary>
protected override void OnLoginChanged()
{
base.OnLoginChanged();
ChangeMenuCommand.ChangeCanExecute();
ChangeCheckListCommand.ChangeCanExecute();
}
