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-rw-r--r--Software/Visual_Studio/PPC/Tango.PPC.UI/Navigation/DefaultNavigationManager.cs173
1 files changed, 95 insertions, 78 deletions
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/Navigation/DefaultNavigationManager.cs b/Software/Visual_Studio/PPC/Tango.PPC.UI/Navigation/DefaultNavigationManager.cs
index 2a825cc19..3502648d4 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/Navigation/DefaultNavigationManager.cs
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/Navigation/DefaultNavigationManager.cs
@@ -12,6 +12,7 @@ using Tango.Core.Commands;
using Tango.PPC.Common;
using Tango.PPC.Common.Modules;
using Tango.PPC.Common.Navigation;
+using Tango.PPC.Common.Notifications;
using Tango.PPC.Common.Threading;
using Tango.PPC.UI.Views;
using Tango.SharedUI.Controls;
@@ -36,6 +37,7 @@ namespace Tango.PPC.UI.Navigation
private List<AwaitingVMResult> _awaitingVMResults;
private IDispatcherProvider _dispatcherProvider;
private IPPCModuleLoader _moduleLoader;
+ private INotificationProvider _notificationProvider;
private Object _currentVM;
private String _lastFullPath;
private bool _preventHistory;
@@ -75,12 +77,13 @@ namespace Tango.PPC.UI.Navigation
/// Initializes a new instance of the <see cref="DefaultNavigationManager"/> class.
/// </summary>
/// <param name="moduleLoader">The module loader.</param>
- public DefaultNavigationManager(IPPCModuleLoader moduleLoader, IDispatcherProvider dispatcherProvider)
+ public DefaultNavigationManager(IPPCModuleLoader moduleLoader, IDispatcherProvider dispatcherProvider, INotificationProvider notificationProvider)
{
IsBackEnabled = true;
_awaitingVMResults = new List<AwaitingVMResult>();
_navigationHistory = new Stack<String>();
_moduleLoader = moduleLoader;
+ _notificationProvider = notificationProvider;
NavigateToCommand = new RelayCommand<string>(async (x) => await NavigateTo(x));
NavigateBackCommand = new RelayCommand(async () => await NavigateBack());
@@ -197,105 +200,127 @@ namespace Tango.PPC.UI.Navigation
/// <param name="fullPath">The full path.</param>
public async Task<bool> NavigateTo(String fullPath, bool pushToHistory = true, Action<PPCViewModel, PPCViewModel> onNavigating = null, Action<PPCViewModel, PPCViewModel> onNavigated = null)
{
- String[] path = fullPath.Split('.');
- var module = _moduleLoader.UserModules.SingleOrDefault(x => x.GetType().Name == path[0] || x.Name == path[0]);
+ try
+ {
+ String[] path = fullPath.Split('.');
+ var module = _moduleLoader.UserModules.SingleOrDefault(x => x.GetType().Name == path[0] || x.Name == path[0]);
+
+ if (module == null)
+ {
+ await _notificationProvider.ShowError("The specified module was not loaded.");
+ return false;
+ }
- if (path.Length == 1 && path[0] == CurrentModule.Name) return true;
+ if (path.Length == 1 && path[0] == CurrentModule.Name) return true;
- LogManager.Log($"Navigating to: {fullPath}...");
+ LogManager.Log($"Navigating to: {fullPath}...");
- var fromVM = _currentVM;
+ var fromVM = _currentVM;
- if (_currentVM != null && _currentVM is INavigationBlocker)
- {
- if (_navigating_back)
+ if (_currentVM != null && _currentVM is INavigationBlocker)
{
- if (!await (_currentVM as INavigationBlocker).OnNavigateBackRequest())
+ if (_navigating_back)
{
- return false;
+ if (!await (_currentVM as INavigationBlocker).OnNavigateBackRequest())
+ {
+ return false;
+ }
}
- }
- else
- {
- if (!await (_currentVM as INavigationBlocker).OnNavigateOutRequest())
+ else
{
- return false;
+ if (!await (_currentVM as INavigationBlocker).OnNavigateOutRequest())
+ {
+ return false;
+ }
}
}
- }
- if (pushToHistory && _lastFullPath != null && !_preventHistory)
- {
- _navigationHistory.Push(_lastFullPath);
- RaisePropertyChanged(nameof(CanNavigateBack));
- }
-
- _lastFullPath = fullPath;
+ if (pushToHistory && _lastFullPath != null && !_preventHistory)
+ {
+ _navigationHistory.Push(_lastFullPath);
+ RaisePropertyChanged(nameof(CanNavigateBack));
+ }
- MainView.Instance.NavigationControl.NavigateTo(NavigationView.LayoutView.ToString());
- var navigationControl = LayoutView.Instance.NavigationControl;
- CurrentModule = module;
- var moduleView = navigationControl.NavigateTo(module.Name);
+ _lastFullPath = fullPath;
- _currentVM = moduleView.DataContext;
+ MainView.Instance.NavigationControl.NavigateTo(NavigationView.LayoutView.ToString());
+ var navigationControl = LayoutView.Instance.NavigationControl;
+ CurrentModule = module;
+ var moduleView = navigationControl.NavigateTo(module.Name);
- if (path.Length > 1)
- {
- var moduleNavigation = moduleView.FindChildOffline<NavigationControl>();
+ _currentVM = moduleView.DataContext;
- if (moduleNavigation != null)
+ if (path.Length > 1)
{
- moduleNavigation.RegisterForLoadedOrNow(async (x, e) =>
- {
- var lastView = moduleNavigation.GetElement(path.Last());
-
- if (lastView != null)
- {
- onNavigating?.Invoke(fromVM as PPCViewModel, lastView.DataContext as PPCViewModel);
- }
+ var moduleNavigation = moduleView.FindChildOffline<NavigationControl>();
- foreach (var view in path.Skip(1))
+ if (moduleNavigation != null)
+ {
+ moduleNavigation.RegisterForLoadedOrNow(async (x, e) =>
{
- await Task.Delay(100);
+ var lastView = moduleNavigation.GetElement(path.Last());
- FrameworkElement v = null;
+ if (lastView != null)
+ {
+ onNavigating?.Invoke(fromVM as PPCViewModel, lastView.DataContext as PPCViewModel);
+ }
- v = moduleNavigation.NavigateTo(view, () =>
+ foreach (var view in path.Skip(1))
{
- if (v != null)
+ await Task.Delay(100);
+
+ FrameworkElement v = null;
+
+ v = moduleNavigation.NavigateTo(view, () =>
{
- NotifyOnNavigated(fromVM, v.DataContext);
- onNavigated?.Invoke(fromVM as PPCViewModel, v.DataContext as PPCViewModel);
- NotifyAwaitingVMResults(fromVM as PPCViewModel, v.DataContext as PPCViewModel);
- }
- });
+ if (v != null)
+ {
+ NotifyOnNavigated(fromVM, v.DataContext);
+ onNavigated?.Invoke(fromVM as PPCViewModel, v.DataContext as PPCViewModel);
+ NotifyAwaitingVMResults(fromVM as PPCViewModel, v.DataContext as PPCViewModel);
+ }
+ });
- NotifyOnBeforeNavigated(fromVM, v.DataContext);
+ NotifyOnBeforeNavigated(fromVM, v.DataContext);
- if (v != null)
- {
- _currentVM = v.DataContext;
+ if (v != null)
+ {
+ _currentVM = v.DataContext;
- if (view != path.Last())
+ if (view != path.Last())
+ {
+ moduleNavigation = v.FindChildOffline<NavigationControl>();
+ }
+ }
+ else
{
- moduleNavigation = v.FindChildOffline<NavigationControl>();
+ throw LogManager.Log(new ArgumentNullException("Could not navigate to " + fullPath));
}
}
- else
- {
- throw LogManager.Log(new ArgumentNullException("Could not navigate to " + fullPath));
- }
- }
- });
+ });
+ }
+ else
+ {
+ onNavigating?.Invoke(fromVM as PPCViewModel, _currentVM as PPCViewModel);
+
+ NotifyOnBeforeNavigated(fromVM, _currentVM);
+
+ await Task.Delay(navigationControl.TransitionDuration.TimeSpan);
+
+ NotifyOnNavigated(fromVM, _currentVM);
+
+ onNavigated?.Invoke(fromVM as PPCViewModel, _currentVM as PPCViewModel);
+ NotifyAwaitingVMResults(fromVM as PPCViewModel, _currentVM as PPCViewModel);
+ }
}
else
{
- onNavigating?.Invoke(fromVM as PPCViewModel, _currentVM as PPCViewModel);
-
NotifyOnBeforeNavigated(fromVM, _currentVM);
+ onNavigating?.Invoke(fromVM as PPCViewModel, _currentVM as PPCViewModel);
+
await Task.Delay(navigationControl.TransitionDuration.TimeSpan);
NotifyOnNavigated(fromVM, _currentVM);
@@ -303,22 +328,14 @@ namespace Tango.PPC.UI.Navigation
onNavigated?.Invoke(fromVM as PPCViewModel, _currentVM as PPCViewModel);
NotifyAwaitingVMResults(fromVM as PPCViewModel, _currentVM as PPCViewModel);
}
+
+ return true;
}
- else
+ catch (Exception ex)
{
- NotifyOnBeforeNavigated(fromVM, _currentVM);
-
- onNavigating?.Invoke(fromVM as PPCViewModel, _currentVM as PPCViewModel);
-
- await Task.Delay(navigationControl.TransitionDuration.TimeSpan);
-
- NotifyOnNavigated(fromVM, _currentVM);
-
- onNavigated?.Invoke(fromVM as PPCViewModel, _currentVM as PPCViewModel);
- NotifyAwaitingVMResults(fromVM as PPCViewModel, _currentVM as PPCViewModel);
+ await _notificationProvider.ShowError($"Error navigating to '{fullPath}'.");
+ return false;
}
-
- return true;
}
/// <summary>
generated by cgit v1.3.1 (git 2.54.0) at 2026-06-19 19:07:43 +0000