C# Dialog.RootElement类代码示例

		/// <summary>
		/// Invoked when it comes time to set the root so the child classes can create their own menus
		/// </summary>
		private void OnCreateMenu(RootElement root)
		{
            var addGistSection = new Section();
            root.Add(addGistSection);
            addGistSection.Add(new MenuElement("New Gist", () => {
                var gistController = new CreateGistController();
                gistController.Created = (id) => {
                    NavigationController.PushViewController(new GistInfoController(id), true);
                };
                var navController = new UINavigationController(gistController);
                PresentViewController(navController, true, null);
            }, Images.Buttons.NewGist));

            var gistMenuSection = new Section() { HeaderView = new MenuSectionView("Gists") };
            root.Add(gistMenuSection);
            gistMenuSection.Add(new MenuElement("My Gists", () => NavigationController.PushViewController(new MyGistsController(), true), Images.Buttons.MyGists));
            gistMenuSection.Add(new MenuElement("Starred", () => NavigationController.PushViewController(new StarredGistsController(), true), Images.Buttons.Star2));
            gistMenuSection.Add(new MenuElement("Public", () => NavigationController.PushViewController(new PublicGistsController(), true), Images.Buttons.Public));

//            var labelSection = new Section() { HeaderView = new MenuSectionView("Tags") };
//            root.Add(labelSection);
//            labelSection.Add(new MenuElement("Add New Tag", () => { }, null));

            var moreSection = new Section() { HeaderView = new MenuSectionView("Info") };
            root.Add(moreSection);
            moreSection.Add(new MenuElement("About", () => NavigationController.PushViewController(new AboutController(), true), Images.Buttons.Info));
            moreSection.Add(new MenuElement("Feedback & Support", () => { 
                var config = UserVoice.UVConfig.Create("http://gistacular.uservoice.com", "lYY6AwnzrNKjHIkiiYbbqA", "9iLse96r8yki4ZKknfHKBlWcbZAH9g8yQWb9fuG4");
                UserVoice.UserVoice.PresentUserVoiceInterface(this, config);
            }, Images.Buttons.Feedback));
            moreSection.Add(new MenuElement("Logout", Logout, Images.Buttons.Logout));
		}

        public ProvisioningDialog()
            : base(UITableViewStyle.Grouped, null)
        {
            Root = new RootElement ("GhostPractice Mobile");
            var topSec = new Section ("Welcome");
            topSec.Add (new StringElement ("Please enter activation code"));
            activation = new EntryElement ("Code", "Activation Code", "999998-zcrdbrkqwogh");
            topSec.Add (activation);
            var submit = new StringElement ("Send Code");
            submit.Alignment = UITextAlignment.Center;

            submit.Tapped += delegate {
                if (activation.Value == null || activation.Value == string.Empty) {
                    new UIAlertView ("Device Activation", "Please enter activation code", null, "OK", null).Show ();
                    return;
                }
                if (!isBusy) {
                    getAsyncAppAndPlatform ();
                } else {
                    Wait ();
                }

            };
            topSec.Add (submit);
            Root.Add (topSec);

            UIImage img = UIImage.FromFile ("Images/launch_small.png");
            UIImageView v = new UIImageView (new RectangleF (0, 0, 480, 600));
            v.Image = img;
            Root.Add (new Section (v));
        }

        private void LoadTable()
        {
            var imageCount = Data.Database.Main.Table<ProjectImage>().Count();
            var allPatternsButton = new StyledElement("All UI Images", imageCount.ToString(), UITableViewCellStyle.Value1);
            if (imageCount > 0)
            {
                allPatternsButton.Accessory = UITableViewCellAccessory.DisclosureIndicator;
                allPatternsButton.Tapped += () => NavigationController.PushViewController(new LocalViewPatternsViewController() { Title = "All" }, true);
            }

            var section = new Section("Albums");
            var projects = Data.Database.Main.Table<Project>();
            foreach (var p in projects)
            {
                var project = p;
                var element = new ProjectElement(project);
                if (Data.Database.Main.Table<ProjectImage>().Where(a => a.ProjectId == project.Id).Count() > 0)
                {
                    element.Accessory = UITableViewCellAccessory.DisclosureIndicator;
                    element.Tapped += () => {
                        NavigationController.PushViewController(new LocalViewPatternsViewController(project.Id) { Title = project.Name }, true);
                    };
                }
                section.Add(element);
            }

            var root = new RootElement(Title) { new Section() { allPatternsButton }, section };
            Root = root;
        }

        public LoginViewController()
            : base (UITableViewStyle.Grouped, null)
        {
            var defaults = NSUserDefaults.StandardUserDefaults;
            string mobileServiceUri = defaults.StringForKey (MobileServiceUriKey);
            string mobileServiceKey = defaults.StringForKey (MobileServiceKeyKey);
            string tags = defaults.StringForKey (TagsKey);

            this.uriEntry = new EntryElement (null, "Mobile Service URI", mobileServiceUri);
            this.keyEntry = new EntryElement (null, "Mobile Service Key", mobileServiceKey);
            this.tagsEntry = new EntryElement (null, "Tags", tags);

            Root = new RootElement ("C# Client Library Tests") {
                new Section ("Login") {
                    this.uriEntry,
                    this.keyEntry,
                    this.tagsEntry
                },

                new Section {
                    new StringElement ("Run Tests", RunTests)                    
                },

                new Section{
                    new StringElement("Login with Microsoft", () => Login(MobileServiceAuthenticationProvider.MicrosoftAccount)),
                    new StringElement("Login with Facebook", () => Login(MobileServiceAuthenticationProvider.Facebook)),
                    new StringElement("Login with Twitter", () => Login(MobileServiceAuthenticationProvider.Twitter)),
                    new StringElement("Login with Google", () => Login(MobileServiceAuthenticationProvider.Google))
                }
            };
        }

        public void buildReport()
        {
            Root = new RootElement ("");
            var v = new UIView ();
            v.Frame = new RectangleF (10, 10, 600, 10);
            var dummy = new Section (v);
            Root.Add (dummy);
            var headerLabel = new UILabel (new RectangleF (10, 10, 800, 48)) {
                Font = UIFont.BoldSystemFontOfSize (18),
                BackgroundColor = ColorHelper.GetGPPurple (),
                TextAlignment = UITextAlignment.Center,
                TextColor = UIColor.White,
                Text = "Branch Matter Analysis"
            };
            var view = new UIViewBordered ();
            view.Frame = new RectangleF (10, 20, 800, 48);
            view.Add (headerLabel);
            Root.Add (new Section (view));
            //
            for (int i = 0; i < report.branches.Count; i++) {
                Branch branch = report.branches [i];

                Section s = new Section (branch.name + " Branch Totals");
                Root.Add (s);
                //
                if (branch.branchTotals.matterActivity != null) {
                    var matterActivitySection = new Section ();
                    var mTitle = new TitleElement ("Matter Activity");
                    matterActivitySection.Add (mTitle);
                    matterActivitySection.Add (new NumberElement (branch.branchTotals.matterActivity.active, "Active Matters: "));
                    matterActivitySection.Add (new NumberElement (
                        branch.branchTotals.matterActivity.deactivated,
                        "Deactivated Matters: "
                    ));
                    matterActivitySection.Add (new NumberElement (branch.branchTotals.matterActivity.newWork, "New Work: "));
                    matterActivitySection.Add (new NumberElement (branch.branchTotals.matterActivity.workedOn, "Worked On: "));

                    matterActivitySection.Add (new NumberElement (branch.branchTotals.matterActivity.noActivity, "No Activity: "));
                    matterActivitySection.Add (new StringElement ("No Activity Duration: " + branch.branchTotals.matterActivity.noActivityDuration));
                    Root.Add (matterActivitySection);
                }
                //
                if (branch.branchTotals.matterBalances != null) {
                    var matterBalancesSection = new Section ();
                    var mTitle = new TitleElement ("Matter Balances");
                    matterBalancesSection.Add (mTitle);
                    matterBalancesSection.Add (getElement (branch.branchTotals.matterBalances.business, S.GetText (S.BUSINESS) + ": "));
                    matterBalancesSection.Add (getElement (branch.branchTotals.matterBalances.trust, S.GetText (S.TRUST_BALANCE) + ": "));
                    matterBalancesSection.Add (getElement (branch.branchTotals.matterBalances.investment, S.GetText (S.INVESTMENTS) + ": "));
                    matterBalancesSection.Add (getElement (branch.branchTotals.matterBalances.unbilled, "Unbilled: "));
                    matterBalancesSection.Add (getElement (branch.branchTotals.matterBalances.pendingDisbursements, "Pending Disb.: "));
                    Root.Add (matterBalancesSection);
                }

            }

            for (var i = 0; i < 10; i++) {
                Root.Add (new Section (" "));
            }
        }

		public void ButtonSwitcher ()
		{
			if (DBAccountManager.SharedManager.LinkedAccount == null) {
				Root = new RootElement ("DropBox Sync") {
					new Section (){
						new StringElement ("Link Account", () => DBAccountManager.SharedManager.LinkFromController (NavigationController)) { 
							Alignment = UITextAlignment.Center 
						}
					}
				};
			} else {
				Root = new RootElement ("DropBox Sync") {
					new Section () {
						new StringElement ("Unlink Account", () => {
							DBAccountManager.SharedManager.LinkedAccount.Unlink ();
							ButtonSwitcher ();
						}) { Alignment = UITextAlignment.Center },
						new StringElement ("Show DropBox Files", () => {
							filesController = new DVCFiles (DBPath.Root);
							NavigationController.PushViewController (filesController, true);
						}) { Alignment = UITextAlignment.Center } 
					}
				};
			}
		}

        public SettingsViewController()
            : base(new RootElement("Einstellungen"))
        {
            var root = new RootElement("Einstellungen");
            var userEntry = new EntryElement("Benutzername", "benutzername", ApplicationSettings.Instance.UserCredentials.Name);
            var passwordEntry = new EntryElement("Passwort", "passwort", ApplicationSettings.Instance.UserCredentials.Password, true);
            userEntry.AutocorrectionType = MonoTouch.UIKit.UITextAutocorrectionType.No;
            userEntry.AutocapitalizationType = MonoTouch.UIKit.UITextAutocapitalizationType.None;
            userEntry.Changed += UsernameChanged;
            passwordEntry.Changed += PasswordChanged;

            root.Add(new Section("Benutzerinformationen"){
                userEntry,
                passwordEntry
            });

            root.Add(new Section("Stundenplaneinstellungen"){
                new StyledStringElement("Andere Stundenpläne", () => {NavigationController.PushViewController(new SettingsTimetablesDetailViewController(), true);}){
                    Accessory = UITableViewCellAccessory.DisclosureIndicator
                }
            });
            Root = root;
            Title = "Einstellungen";
            NavigationItem.Title = "Einstellungen";
            TabBarItem.Image = UIImage.FromBundle("Settings-icon");
        }

		// This method is invoked when the application has loaded its UI and its ready to run
		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
		{
			var Last = new DateTime (2010, 10, 7);
			Console.WriteLine (Last);
			
			window.AddSubview (navigation.View);

			var menu = new RootElement ("Demos"){
				new Section ("Element API"){
					new StringElement ("iPhone Settings Sample", DemoElementApi),
					new StringElement ("Dynamically load data", DemoDynamic),
					new StringElement ("Add/Remove demo", DemoAddRemove),
					new StringElement ("Assorted cells", DemoDate),
				},
				new Section ("Auto-mapped", footer){
					new StringElement ("Reflection API", DemoReflectionApi)
				},
				new Section ("Other"){
					new StringElement ("Headers and Footers", DemoHeadersFooters)
				}
			};

			var dv = new DialogViewController (menu);
			navigation.PushViewController (dv, true);				
			
			window.MakeKeyAndVisible ();
			
			return true;
		}

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();

			var hockey = BITHockeyManager.SharedHockeyManager;

			Root = new RootElement ("HockeyApp Sample") {
				new Section {
					new StringElement("Check for Updates", () => {
						hockey.UpdateManager.CheckForUpdate();
					}),
					new StringElement("Show Feedback", () => {
						hockey.FeedbackManager.ShowFeedbackListView();
					}),
					new StringElement("Submit New Feedback", () => {
						hockey.FeedbackManager.ShowFeedbackComposeView();
					}),
					new StringElement("Crashed Last Run:", hockey.CrashManager.DidCrashInLastSession.ToString())
				},
				new Section {
					new StringElement("Throw Managed .NET Exception", () => {

						throw new HockeyAppSampleException("You intentionally caused a crash!");

					})
				}
			};
		}

        private void FoundResults(ParseObject[] array, NSError error)
        {
            var easySection = new Section("Easy");
            var mediumSection = new Section("Medium");
            var hardSection = new Section("Hard");

            var objects = array.Select(x=> x.ToObject<GameScore>()).OrderByDescending(x=> x.Score).ToList();

            foreach(var score in objects)
            {
                var element = new StringElement(score.Player,score.Score.ToString("#,###"));
                switch(score.Dificulty)
                {
                case GameDificulty.Easy:
                    easySection.Add(element);
                    break;
                case GameDificulty.Medium:
                    mediumSection.Add(element);
                    break;
                case GameDificulty.Hard:
                    hardSection.Add (element);
                    break;
                }
            }
            Root = new RootElement("High Scores")
            {
                easySection,
                mediumSection,
                hardSection,
            };
        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            var vm = (AboutViewModel)ViewModel;

            var root = new RootElement(Title)
            {
                new Section
                {
                    new MultilinedElement("CodeHub".t()) { Value = About, CaptionColor = Theme.CurrentTheme.MainTitleColor, ValueColor = Theme.CurrentTheme.MainTextColor }
                },
                new Section
                {
                    new StyledStringElement("Source Code".t(), () => vm.GoToSourceCodeCommand.Execute(null))
                },
                new Section(String.Empty, "Thank you for downloading. Enjoy!")
                {
                    new StyledStringElement("Follow On Twitter".t(), () => UIApplication.SharedApplication.OpenUrl(new NSUrl("https://twitter.com/CodeHubapp"))),
                    new StyledStringElement("Rate This App".t(), () => UIApplication.SharedApplication.OpenUrl(new NSUrl("https://itunes.apple.com/us/app/codehub-github-for-ios/id707173885?mt=8"))),
                    new StyledStringElement("App Version".t(), vm.Version)
                }
            };

            root.UnevenRows = true;
            Root = root;
        }

		private void ConfigureRoot()
		{
			TableView.BackgroundColor = UIColor.Clear;

			var root = new RootElement("Home")
			{
				
				new Section()
				{
					new StringElement("Heading Element") { CssClass = "heading" }
				},
				new Section()
				{
					new ImageStringElement("Detailed Item", "This should be orange", null),
					new ImageStringElement("Detailed Item", "This should be all green", null) { CssClass = "Green" },
				},
				new Section()
				{
					new RootElement("Radio Items", new RadioGroup(0))
					{
						new Section("", "", "Radio")
						{
						new RadioElement("Radio Item 1"),
						new RadioElement("Radio Item 2"),
						new RadioElement("This should be big") { CssClass = "Heading" }
					
						}
					}
				}
			};
			
			root.CssClass = "Root";
			Root = root;
		}

        public override void ViewDidLoad() {
            base.ViewDidLoad();
            
            _MainSection = new Section() {
                new ActivityElement()
            };
            Root = new RootElement("Markers") {
                _MainSection
            };

            // Simple demo of a progress HUD. Doesn't actually do anything useful.
            // Added after question from audience.
            MTMBProgressHUD progress = new MTMBProgressHUD() {
                DimBackground = true,
                LabelText = "Doing something.",
            };
            View.Add(progress);
            progress.Show(animated: true);
            Task.Factory.StartNew(() => {
                Thread.Sleep(2000);
                InvokeOnMainThread(() => {
                    progress.Hide(animated: true);
                });
            });

            mapController = new MapViewController();
            mapController.NewMarkerCreated += (object sender, MarkerAddedEventArgs e) => {
                InvokeOnMainThread(() => {
                    _Database.SaveMarker(e.MarkerInfo);
                    RefreshMarkers();
                });
            };
            RefreshMarkers();
        }

        private void LoadTimetable(Timetable timetable)
        {
            UIApplication.SharedApplication.InvokeOnMainThread(() =>
            {
                _pageScrollController.Clear();
                if (timetable.BlockedTimetable)
                {
                    var root = new RootElement("Blockiert"){
                        new Section("Blockiert"){
                            new MultilineElement("Benutzer hat Stundenplan\nblockiert")
                        }
                    };
                    var dvc = new DefaultDialogViewController(root, UITableViewStyle.Plain, RefreshRequested);
                    dvc.CustomLastUpdate = timetable.LastUpdated;
                    _pageScrollController.AddPage(dvc);
                }
                else if (timetable.HasError)
                {
                    var root = new RootElement("Error"){
                        new Section("Error"){
                            new MultilineElement(timetable.ErrorMessage)
                        }
                    };
                    var dvc = new DefaultDialogViewController(root, UITableViewStyle.Plain, RefreshRequested);
                    dvc.CustomLastUpdate = timetable.LastUpdated;
                    _pageScrollController.AddPage(dvc);
                }
                else
                {
                    foreach (var day in timetable.TimetableDays)
                    {
                        if (day.Lessions.Count() == 0)
                            continue;
                        var root = new RootElement((string.IsNullOrEmpty(day.Weekday) ? "Ohne Wochentag" : day.Weekday));
                        foreach (var lession in day.Lessions)
                        {
                            var section = new Section(lession.Name + " " + lession.Type);
                            foreach (var alloc in lession.CourseAllocations)
                            {
                                string t = alloc.Timeslot;
                                if (alloc.RoomAllocations.Count() > 0)
                                    t += "\n" + alloc.RoomAllocations.FirstOrDefault().Roomnumber;
                                var tmpLession = new Lession(){CourseAllocations=lession.CourseAllocations,
                                                               Lecturers=lession.Lecturers,
                                                               Name=lession.Name,
                                                               Type=lession.Type};
                                section.Add(new MultilineElement(t, () => {

                                    OnElementTappet(tmpLession);}){Value=lession.LecturersShortVersion});
                            }
                            root.Add(section);
                        }
                        var dvc = new DefaultDialogViewController(root, UITableViewStyle.Plain, RefreshRequested);
                        dvc.CustomLastUpdate = timetable.LastUpdated;
                        _pageScrollController.AddPage(dvc);
                    }
                }
            });
            _loadedTimetable = timetable;
        }

		// Creates the dynamic content from the twitter results
		RootElement CreateDynamicContent (XDocument doc)
		{
			var users = doc.XPathSelectElements ("./statuses/status/user").ToArray ();
			var texts = doc.XPathSelectElements ("./statuses/status/text").Select (x=>x.Value).ToArray ();
			var people = doc.XPathSelectElements ("./statuses/status/user/name").Select (x=>x.Value).ToArray ();
			
			var section = new Section ();
			var root = new RootElement ("Tweets") { section };
			
			for (int i = 0; i < people.Length; i++){
				var line = new RootElement (people [i]) { 
					new Section ("Profile"){
						new StringElement ("Screen name", users [i].XPathSelectElement ("./screen_name").Value),
						new StringElement ("Name", people [i]),
						new StringElement ("oFllowers:", users [i].XPathSelectElement ("./followers_count").Value)
					},
					new Section ("Tweet"){
						new StringElement (texts [i])
					}
				};
				section.Add (line);
			}
			
			return root;
		}