private void NavigateToPage(GoToPage message)
{
try
{
Frame rootFrame = Window.Current.Content as Frame;
switch (message.Name)
{
case "Login":
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed;
rootFrame.Navigate(typeof(Login));
break;
case "MainView":
rootFrame.Navigate(typeof(MainView), true);
break;
case "Register":
rootFrame.Navigate(typeof(Register), true);
break;
default:
rootFrame.Navigate(typeof(Login));
break;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
private void OnConnected(MPC sender)
{
Debug.WriteLine("OnConnected@ConnectViewModel");
IsBusy = false;
ConnectionStatus = "Connected! Saving connection info...";
Profile pro = new Profile();
pro.Name = Host + ":" + _port.ToString();
pro.Host = Host;
pro.Port = _port;
pro.Password = Password;
pro.IsDefault = true;
_con.Profiles.Add(pro);
_con.SaveProfile();
ConnectionStatus = "...";
Device.BeginInvokeOnMainThread(
() =>
{
GoToPage?.Invoke(this, "HomePage");
});
}
public MainPageViewModel(INavigationService navigationService)
{
GoToPage.Subscribe(async p => {
await navigationService.NavigateAsync(p + "Page");
});
GoToTest.Subscribe(async p => {
await navigationService.NavigateAsync(p);
});
}
//
// Method to connection to other pages.
//
private object GoToPage(string pageNum)
{
var msg = new GoToPage()
{
PageName = pageNum
};
Messenger.Default.Send <GoToPage>(msg);
return(null);
}
private void OnConnected(MPC sender)
{
Debug.WriteLine("OnConnected@SettingViewModel");
IsBusy = false;
SettingProfileEditMessage = "Connected!";
Device.BeginInvokeOnMainThread(
() =>
{
GoToPage?.Invoke(this, "HomePage");
});
SettingProfileEditMessage = "";
}
//
// The page navigation login has to be here, because the "frmMain" is the Frame
// control that contains all other views.
//
private object ReceiveMessage(GoToPage action)
{
StringBuilder sb = new StringBuilder("/Views/");
sb.Append(action.PageName);
sb.Append(".xaml");
try
{
this.frmMain.NavigationService.Navigate(new System.Uri(sb.ToString(), System.UriKind.Relative));
}
catch (Exception)
{
MessageBox.Show("Can not find " + action.PageName + " page.");
}
return(null);
}
/// <summary>
/// 初始化控件
/// </summary>
/// <param name="GP">代理</param>
public void InitControl(GoToPage GP)
{
_GoToPage = GP;
}
private void ConnectPage(IDomain domain, string goToPageName)
{
foreach (IPage Item in domain.Pages)
{
if (Item.Name == goToPageName)
{
GoToPage = Item;
break;
}
}
if (GoToPage == null && goToPageName == Page.CurrentPage.Name)
{
GoToPage = Page.CurrentPage;
}
else if (GoToPage == null && goToPageName == Page.PreviousPage.Name)
{
GoToPage = Page.PreviousPage;
}
else if (GoToPage != null)
{
GoToPage.SetIsReachable();
}
else
{
string[] Splitted = goToPageName.Split(':');
string SplittedPrefix = Splitted.Length > 0 && Splitted[0].Length > 0 ? Splitted[0] : "";
string SplittedSuffix = Splitted.Length > 1 && Splitted[1].Length > 0 ? Splitted[1].Substring(Splitted[1].Length - 1) : "";
string AnyPagePrefix = Page.AnyPage.Name.Substring(0, Page.AnyPage.Name.Length - 1);
string AnyPageSuffix = Page.AnyPage.Name.Substring(Page.AnyPage.Name.Length - 1);
if (SplittedPrefix == AnyPagePrefix && SplittedSuffix == AnyPageSuffix)
{
GoToPage = Page.AnyPage;
string[] AlternateNames = Splitted[1].Substring(0, Splitted[1].Length - 1).Split(';');
foreach (string AlternateName in AlternateNames)
{
string TrimmedAlternate = AlternateName.Trim();
IPage Alternate = null;
foreach (IPage Item in domain.Pages)
{
if (Item.Name == TrimmedAlternate)
{
Alternate = Item;
break;
}
}
if (Alternate != null)
{
if (AlternatePages.Contains(Alternate))
{
throw new ParsingException(222, NavigationSource.Source, $"Custom page destination '{TrimmedAlternate}' is repeated.");
}
Alternate.SetIsReachable();
AlternatePages.Add(Alternate);
}
else if (AlternateName == Page.CurrentPage.Name)
{
if (!AlternatePages.Contains(Page.CurrentPage))
{
AlternatePages.Add(Page.CurrentPage);
}
}
else if (AlternateName == Page.PreviousPage.Name)
{
if (!AlternatePages.Contains(Page.PreviousPage))
{
AlternatePages.Add(Page.PreviousPage);
}
}
else
{
throw new ParsingException(176, NavigationSource.Source, $"Unknown page name '{TrimmedAlternate}'.");
}
}
if (AlternatePages.Count == 0)
{
throw new ParsingException(223, NavigationSource.Source, "A custom page must declare at least one destination page.");
}
}
}
if (BeforeObjectEvent != null)
{
BeforeObjectEvent.SetIsProvidingCustomPageName(NavigationSource, GoToPage == Page.AnyPage);
}
if (GoToPage == null)
{
throw new ParsingException(176, NavigationSource.Source, $"Unknown page name '{goToPageName}'.");
}
if (GoToPage == Page.AnyPage && (BeforeObject == null || BeforeObjectEvent == null))
{
throw new ParsingException(177, NavigationSource.Source, "A custom page must be set with a 'before' event.");
}
}
