protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
if (isInitialized == true)
{
return;
}
// trace page navigation
TraceHelper.AddMessage("Settings: Loaded");
Email.IsEnabled = !IsConnected;
Password.IsEnabled = !IsConnected;
accountOperationSuccessful = false;
accountTextChanged = false;
SettingsPanel.Children.Clear();
foreach (var setting in PhoneSettings.Settings.Keys)
{
// get the source list for the setting, along with any current value
var phoneSetting = PhoneSettings.Settings[setting];
//var bindingList = (from l in list select new { Name = l }).ToList();
var bindingList = phoneSetting.Values;
var value = PhoneSettingsHelper.GetPhoneSetting(App.ViewModel.PhoneClientFolder, setting);
int selectedIndex = 0;
if (value != null && bindingList.Any(ps => ps.Name == value))
{
var selectedValue = bindingList.Single(ps => ps.Name == value);
selectedIndex = bindingList.IndexOf(selectedValue);
}
var template = !String.IsNullOrEmpty(phoneSetting.DisplayTemplate) ?
(DataTemplate)App.Current.Resources[phoneSetting.DisplayTemplate] :
null;
// create a new list picker for the setting
var listPicker = new ListPicker()
{
Header = setting,
Tag = setting,
SelectedIndex = selectedIndex >= 0 ? selectedIndex : 0
};
listPicker.ItemsSource = bindingList;
listPicker.DisplayMemberPath = "Name";
if (template != null)
{
listPicker.FullModeItemTemplate = template;
}
SettingsPanel.Children.Add(listPicker);
}
CreateUserButton.DataContext = this;
CreateButtonLabel.DataContext = this;
ConnectUserButton.DataContext = this;
ConnectButtonLabel.DataContext = this;
Email.LostFocus += new RoutedEventHandler(delegate { accountTextChanged = true; NotifyPropertyChanged("EnableButtons"); });
Password.LostFocus += new RoutedEventHandler(delegate { accountTextChanged = true; NotifyPropertyChanged("EnableButtons"); });
isInitialized = true;
}
// Event handlers for settings tab
private void SaveButton_Click(object sender, EventArgs e)
{
// if we made changes in the account info but didn't successfully carry them out, put up a warning dialog
if (accountTextChanged && !accountOperationSuccessful)
{
MessageBoxResult result = MessageBox.Show(
"account was not successfully created or connected (possibly because you haven't clicked the 'create' or 'connect' button). " +
"click ok to dismiss the settings page and forget the changes to the account page, or cancel to try again.",
"exit settings before creating or connecting to an account?",
MessageBoxButton.OKCancel);
if (result == MessageBoxResult.Cancel)
{
return;
}
}
// get current version of phone settings
var phoneSettingsItemCopy = new Item(PhoneSettingsHelper.GetPhoneSettingsItem(App.ViewModel.PhoneClientFolder), true);
// loop through the settings and store the new value
foreach (var element in SettingsPanel.Children)
{
// get the listpicker key and value
ListPicker listPicker = element as ListPicker;
if (listPicker == null)
{
continue;
}
string key = (string)listPicker.Tag;
var phoneSetting = PhoneSettings.Settings[key];
string value = phoneSetting.Values[listPicker.SelectedIndex].Name;
// store the key/value pair in phone settings (without syncing)
PhoneSettingsHelper.StorePhoneSetting(App.ViewModel.PhoneClientFolder, key, value);
}
// get the new version of phone settings
var phoneSettingsItem = PhoneSettingsHelper.GetPhoneSettingsItem(App.ViewModel.PhoneClientFolder);
// queue up a server request
if (App.ViewModel.PhoneClientFolder.ID != Guid.Empty)
{
RequestQueue.EnqueueRequestRecord(RequestQueue.SystemQueue, new RequestQueue.RequestRecord()
{
ReqType = RequestQueue.RequestRecord.RequestType.Update,
Body = new List <Item>()
{
phoneSettingsItemCopy, phoneSettingsItem
},
BodyTypeName = "Item",
ID = phoneSettingsItem.ID,
IsDefaultObject = true
});
// sync with the server
App.ViewModel.SyncWithService();
}
// trace page navigation
TraceHelper.StartMessage("Settings: Navigate back");
// notify the view model that some data-bound properties bound to client settings may have changed
App.ViewModel.NotifyPropertyChanged("BackgroundColor");
// go back to main page
NavigationService.GoBack();
}
//
// This method is invoked when the application has loaded and is ready to run. In this
// method you should instantiate the window, load the UI into it and then make the window
// visible.
//
// You have 17 seconds to return from this method, or iOS will terminate your application.
//
public override bool FinishedLaunching(UIApplication app, NSDictionary options)
{
// trace event
TraceHelper.StartMessage("App: Loaded");
// if data isn't loaded from storage yet, load the app data
if (!App.ViewModel.IsDataLoaded)
{
// Load app data from local storage (user creds, about tab data, constants, item types, folders, etc)
App.ViewModel.LoadData();
}
// create pages
var add = new AddPage();
var calendar = new SchedulePage();
var folders = new UINavigationController(new FoldersViewController(UITableViewStyle.Plain));
var settings = new SettingsPage();
var more = new MoreViewController();
//var more = new UINavigationController(new MoreViewController());
tabBarController = new UITabBarController();
tabBarController.ViewControllers = new UIViewController [] {
add,
calendar,
folders,
settings,
more,
};
tabBarController.ViewControllerSelected += (sender, e) =>
{
UITabBarController v = (UITabBarController)sender;
v.LoadView();
};
// if haven't synced with web service yet, try now
if (initialSyncAlreadyHappened == false)
{
App.ViewModel.SyncWithService();
initialSyncAlreadyHappened = true;
// if there's a home tab set, switch to it now
var homeTab = PhoneSettingsHelper.GetHomeTab(App.ViewModel.PhoneClientFolder);
if (homeTab != null && homeTab != "Add")
{
SelectTab(homeTab);
}
}
// create a new window instance based on the screen size
window = new UIWindow(UIScreen.MainScreen.Bounds);
if (UIDevice.CurrentDevice.CheckSystemVersion(4, 0))
{
window.RootViewController = tabBarController;
}
else
{
window.AddSubview(tabBarController.View);
}
window.MakeKeyAndVisible();
// trace exit
TraceHelper.AddMessage("Exiting App Loaded");
return(true);
}
private void CreateRoot()
{
// create the root for all settings. note that the RootElement is cleared and recreated, as opposed to
// new'ed up from scratch. this is by design - otherwise we don't get correct behavior on page transitions
// when the theme is changed.
if (dvc.Root == null)
{
dvc.Root = new ThemedRootElement("Settings");
}
else
{
// clean up any existing state for the existing root element
if (dvc.Root.Count > 0)
{
// force the dismissal of the keyboard in the account settings page if it was created
if (dvc.Root[0].Count > 0)
{
var tableView = dvc.Root[0][0].GetContainerTableView();
if (tableView != null)
{
tableView.EndEditing(true);
}
}
}
// clearing the root will cascade the Dispose call on its children
dvc.Root.Clear();
}
// create the account root element
dvc.Root.Add(new Section()
{
InitializeAccountSettings()
});
// initialize other phone settings by creating a radio element list for each phone setting
var elements = (from ps in PhoneSettings.Settings.Keys select(Element) new ThemedRootElement(ps, new RadioGroup(null, 0))).ToList();
// loop through the root elements we just created and create their substructure
foreach (ThemedRootElement rootElement in elements)
{
// set the ViewDisappearing event on child DialogViewControllers to refresh the theme
rootElement.OnPrepare += (sender, e) =>
{
DialogViewController viewController = e.ViewController as DialogViewController;
viewController.ViewDisappearing += delegate
{
var parent = viewController.Root.GetImmediateRootElement() as RootElement;
if (parent != null && parent.TableView != null)
{
parent.TableView.BackgroundColor = UIColorHelper.FromString(App.ViewModel.Theme.PageBackground);
}
};
};
// add a radio element for each of the setting values for this setting type
var section = new Section();
section.AddAll(from val in PhoneSettings.Settings[rootElement.Caption].Values select(Element) new RadioEventElement(val.Name));
rootElement.Add(section);
// initialize the value of the radio button
var currentValue = PhoneSettingsHelper.GetPhoneSetting(App.ViewModel.PhoneClientFolder, rootElement.Caption);
var bindingList = PhoneSettings.Settings[rootElement.Caption].Values;
int selectedIndex = 0;
if (currentValue != null && bindingList.Any(ps => ps.Name == currentValue))
{
var selectedValue = bindingList.Single(ps => ps.Name == currentValue);
selectedIndex = bindingList.IndexOf(selectedValue);
}
rootElement.RadioSelected = selectedIndex;
// attach an event handler that saves the selected setting
foreach (var ree in rootElement[0].Elements)
{
var radioEventElement = (RadioEventElement)ree;
radioEventElement.OnSelected += delegate {
// make a copy of the existing version of phone settings
var phoneSettingsItemCopy = new Item(PhoneSettingsHelper.GetPhoneSettingsItem(App.ViewModel.PhoneClientFolder), true);
// find the key and the valuy for the current setting
var radioRoot = radioEventElement.GetImmediateRootElement();
var key = radioRoot.Caption;
var phoneSetting = PhoneSettings.Settings[key];
string value = phoneSetting.Values[radioRoot.RadioSelected].Name;
// store the new phone setting
PhoneSettingsHelper.StorePhoneSetting(App.ViewModel.PhoneClientFolder, key, value);
// get the new version of phone settings
var phoneSettingsItem = PhoneSettingsHelper.GetPhoneSettingsItem(App.ViewModel.PhoneClientFolder);
// queue up a server request
if (App.ViewModel.PhoneClientFolder.ID != Guid.Empty)
{
RequestQueue.EnqueueRequestRecord(RequestQueue.SystemQueue, new RequestQueue.RequestRecord()
{
ReqType = RequestQueue.RequestRecord.RequestType.Update,
Body = new List <Item>()
{
phoneSettingsItemCopy, phoneSettingsItem
},
BodyTypeName = "Item",
ID = phoneSettingsItem.ID
});
}
// sync with the server
App.ViewModel.SyncWithService();
};
}
}
;
// attach the other settings pages to the root element using Insert instead of AddAll so as to disable animation
foreach (var e in elements)
{
dvc.Root[0].Insert(dvc.Root[0].Count, UITableViewRowAnimation.None, e);
}
}
