public static void GoBack(Type parentViewModelType, string container
)
{
IDialog host = GetOpenedDialog(parentViewModelType);
try
{
var contentHistory = pageHistory.Where(kvp => kvp.Key == container).Single();
pageHistory.Remove(contentHistory);
try
{
var frame = ElementService.FindElements <Frame>(host as Window).Single(s => s.Name == container);
frame.Content = contentHistory.Value;
}
catch
{
throw new ArgumentException($"{host.GetType().FullName} does not contain a Frame with name '{container}'");
}
}
catch
{
throw new ArgumentException($"Navigation history does not contain a Frame with name '{container}'");
}
///TODO TODO TODO HERE
}
public static void Navigate(Type parentViewModelType, string container, Type viewModelType)
{
//get a mapping where there is a desired viewModel
var mapping = Mappings.
Where(m => m.Value == viewModelType).FirstOrDefault();
//checks if the type is a window
//bind with a window binder if so
if (Activator.CreateInstance(mapping.Key) is Page)
{
VVMBinder <Page> binder = new VVMBinder <Page>(mapping.Key, mapping.Value);
//gets all the buttons with content or name starting with show or open.
//making event subscribe to the click event, that will open the window with name specified after show or open.
foreach (var bt in binder.ShowDialogButtons)
{
bt.Click += (sender, e) =>
{
ShowWindowDialog_Click(sender, e);
}
}
;
//same as of the buttons but here for the menuitems
foreach (var mn in binder.ShowDialogMenuItems)
{
mn.Click += (sender, e) =>
{
ShowWindowDialog_Click(sender, e);
}
}
;
//add the mapping to the dictionary of open mappings
// OpenDialogMappings.Add(binder.View as IDialog, viewModelType);
//Navigate
//pages can be hosted only within a frame or a window element
Page page = binder.View;
IDialog host = GetOpenedDialog(parentViewModelType);
///TODO TODO TODO HERE
try
{
var frame = ElementService.FindElements <Frame>(host as Window).Single(s => s.Name == container);
frame.Content = page;
pageHistory.Add(new KeyValuePair <string, object>(container, frame.Content));
}
catch
{
throw new Exception($"{host.GetType().FullName} does not contain a Frame with name '{container}'");
}
}
else
{
}
//event handler
void ShowWindowDialog_Click(object sender, RoutedEventArgs e)
{
string windowName = null;
if (sender is Button but)
{
windowName = but.Name;
}
else if (sender is MenuItem mni)
{
windowName = mni.Name;
}
windowName = windowName.Replace("Open", "").Replace("Show", "").Replace("Window", "").Replace("Dialog", "");
Type type = Mappings.Where(m => m.Key.Name.StartsWith(windowName)).FirstOrDefault().Value;
if (type != null)
{
}
}
}
