void ShowCore(Guid?guid, Window owner)
{
currentContextVM = new ContextVM {
TreeViewNodeTextElementProvider = treeViewNodeTextElementProvider,
};
var allVMs = CreateSettingsPages();
Debug.Assert(allVMs.Any(a => a.Page.Guid == rootGuid));
var rootVM = CreateRootVM(allVMs);
if (rootVM.Children.Count == 0)
{
return;
}
currentContextVM.TreeView = CreateTreeView(rootVM);
if (guid == null)
{
guid = lastSelectedGuid;
}
var selectedItem = (guid != null ? allVMs.FirstOrDefault(a => a.Page.Guid == guid.Value) : null) ?? rootVM.Children.FirstOrDefault();
if (selectedItem != null)
{
currentContextVM.TreeView.SelectItems(new[] { selectedItem });
}
var dlg = new AppSettingsDlg();
dlg.treeViewContentPresenter.Content = currentContextVM.TreeView.UIObject;
dlg.Owner = owner ?? appWindow.MainWindow;
bool saveSettings = dlg.ShowDialog() == true;
lastSelectedGuid = (currentContextVM.TreeView.SelectedItem as AppSettingsPageVM)?.Page.Guid;
Debug.Assert(lastSelectedGuid != null);
var appRefreshSettings = new AppRefreshSettings();
foreach (var vm in allVMs)
{
vm.Page.OnClosed(saveSettings, appRefreshSettings);
}
if (saveSettings)
{
foreach (var listener in appSettingsModifiedListeners)
{
listener.Value.OnSettingsModified(appRefreshSettings);
}
}
}
public AppSettingsPageVM(IAppSettingsPage page, ContextVM context)
{
if (page == null)
{
throw new ArgumentNullException(nameof(page));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
Page = page;
Children = new List <AppSettingsPageVM>();
this.context = context;
}
public ShowAppSettingsDialog(IClassificationFormatMap classificationFormatMap, ITextElementProvider textElementProvider, ITreeViewService treeViewService, ITreeViewNodeTextElementProvider treeViewNodeTextElementProvider, Lazy <IAppSettingsPageContainer, IAppSettingsPageContainerMetadata>[] appSettingsPageContainers, Lazy <IAppSettingsPageProvider>[] appSettingsPageProviders, Lazy <IAppSettingsModifiedListener, IAppSettingsModifiedListenerMetadata>[] appSettingsModifiedListeners)
{
this.classificationFormatMap = classificationFormatMap;
this.textElementProvider = textElementProvider;
this.treeViewService = treeViewService;
this.appSettingsPageContainers = appSettingsPageContainers;
this.appSettingsPageProviders = appSettingsPageProviders;
this.appSettingsModifiedListeners = appSettingsModifiedListeners;
currentContextVM = new ContextVM {
TreeViewNodeTextElementProvider = treeViewNodeTextElementProvider,
SearchMatcher = new SearchMatcher(),
};
currentContextVM.SearchMatcher.SetSearchText(SearchText);
converterVersion = ContentConverterProperties.DefaultContentConverterVersion + 1;
}
void Show2(Guid?guid, Window owner)
{
Debug.Assert(!showingDialog);
if (showingDialog)
{
return;
}
try {
showingDialog = true;
ShowCore(guid, owner);
}
finally {
currentContextVM?.TreeView?.Dispose();
currentContextVM = null;
showingDialog = false;
}
}
static AppSettingsPageVM TryCreate(object obj, IAppSettingsPageContainerMetadata md, ContextVM context)
{
Guid?guid = md.Guid == null ? null : TryParseGuid(md.Guid);
Debug.Assert(guid != null, "Invalid GUID");
if (guid == null)
{
return(null);
}
Guid?parentGuid = md.ParentGuid == null ? rootGuid : TryParseGuid(md.ParentGuid);
Debug.Assert(parentGuid != null, "Invalid Parent GUID");
if (parentGuid == null)
{
return(null);
}
if (string.IsNullOrEmpty(md.Title))
{
return(null);
}
var title = ResourceHelper.GetString(obj, md.Title);
var icon = ImageReferenceHelper.GetImageReference(obj, md.Icon) ?? ImageReference.None;
return(new AppSettingsPageVM(new AppSettingsPageContainer(title, md.Order, guid.Value, parentGuid.Value, icon), context));
}