void RestoreState(object parameter, PageStateStorage storage)
{
List <string> savedNavigationHistory;
if (storage.TryGetParameter("DemoNavigationHistory", out savedNavigationHistory))
{
navigationHistory = savedNavigationHistory;
}
;
object hamburgerMenuItemGroupName = navigationHistory == null ? parameter : navigationHistory[navigationHistory.Count - 1];
SelectHamburgerMenuItemByParameter(hamburgerMenuItemGroupName);
if (hamburgerMenuItemGroupName.Equals(parameter))
{
return;
}
DemoModuleViewModel demoModule = DemoModules.FirstOrDefault(x => x.DemoModule.ViewTypeName.Equals(parameter));
if (demoModule != null)
{
UpdateFilteredDemoModules(demoModule);
NavigationLevel = NavigationLevel.DemoModule;
SelectedDemoModuleIndex = storage.GetParameter("SelectedDemoModuleIndex", SelectedDemoModuleIndex);
}
else
{
NavigationLevel = NavigationLevel.Main;
Navigate("MainPage", MainScreenId);
}
}
public DemoModuleGroupViewModel(MainViewModel mainViewModel, DemoModuleGroup group)
{
((DevExpress.Mvvm.ISupportParentViewModel) this).ParentViewModel = mainViewModel;
MainViewModel = mainViewModel;
Group = group;
DemoModules = new ObservableCollection <DemoModuleViewModel>();
HighlightedDemoModules = new ObservableCollection <DemoModuleViewModel>();
bool isNewExist = false;
bool isUpdatedExist = false;
foreach (DemoModule demoModule in Group.DemoModules)
{
isNewExist = isNewExist || (!demoModule.IsHighlighted && demoModule.IsNew);
isUpdatedExist = isUpdatedExist || demoModule.IsUpdated;
DemoModuleViewModel demoModuleViewModel = new DemoModuleViewModel(this, demoModule);
if (demoModule.IsHighlighted)
{
HighlightedDemoModules.Add(demoModuleViewModel);
}
DemoModules.Add(demoModuleViewModel);
}
if (HighlightedDemoModules.Count != DemoModules.Count)
{
HighlightedDemoModules.Add(new MoreDemoModuleViewModel(this, new DemoModule()
{
IsNew = isNewExist, IsUpdated = !isNewExist && isUpdatedExist
}));
}
IsMultipleDemoModulesGroup = DemoModules.Count != 1;
}
void NavigateToDemoModule(DemoModuleViewModel demoModule)
{
UpdateFilteredDemoModules(demoModule);
SelectedDemoModuleIndex = 0;
NavigationLevel = NavigationLevel.DemoModule;
Navigate("DemoModulePage", demoModule.DemoModule.ViewTypeName);
}
public DemoModuleCodeTab(DemoModuleViewModel demoModule)
: base(demoModule)
{
ModuleSources = new List <DemoModuleSource>();
List <string> sourcesList = new List <string>();
//foreach(string fileName in sourcesList) {
// DemoModuleSource source = new DemoModuleSource(fileName, new DeferredValue<string>(() => DataProvider.Current.GetDemoModuleCode(DemoModuleData.ModuleInfo.DemoModule, fileName)));
// ModuleSources.Add(source);
//}
//CurrentModuleSource = ModuleSources.Count == 0 ? null : ModuleSources[0];
}
protected virtual void OnSelectedDemoModuleChanged(DemoModuleViewModel oldValue, DemoModuleViewModel newValue)
{
ObservableCollection <DemoModuleViewModel> demoModules = new ObservableCollection <DemoModuleViewModel>();
ActualDemoModules.Clear();
int demoModuleIndex = DemoModules.IndexOf(newValue);
for (int i = 0; i < DemoModules.Count; i++)
{
ActualDemoModules.Add(DemoModules[demoModuleIndex]);
demoModuleIndex = (demoModuleIndex + 1) % DemoModules.Count;
}
}
void UpdateFilteredDemoModules(DemoModuleViewModel firstDemoModule)
{
int index = DemoModules.IndexOf(firstDemoModule);
FilteredDemoModules.Clear();
for (int i = index; i < DemoModules.Count; i++)
{
if (DemoModules[i].IsVisible)
{
FilteredDemoModules.Add(DemoModules[i]);
}
}
for (int i = 0; i < index; i++)
{
if (DemoModules[i].IsVisible)
{
FilteredDemoModules.Add(DemoModules[i]);
}
}
PrevNextEnabled = FilteredDemoModules.Count > 1;
}
public DemoModuleTab(DemoModuleViewModel demoModule)
{
DemoModule = demoModule;
}
public DemoModuleContentTab(DemoModuleViewModel demoModule) : base(demoModule)
{
}
