public async Task LoadLayout(string layoutFile)
{
try
{
var uri = new Uri($"ms-appx:///EyeGazeUserControls/Layouts/{layoutFile}");
var storageFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
var xaml = await FileIO.ReadTextAsync(storageFile);
var xamlNode = XamlReader.Load(xaml) as FrameworkElement;
_keyboardButtons = new List <ButtonBase>();
FindChildren <ButtonBase>(_keyboardButtons, xamlNode);
foreach (var button in _keyboardButtons)
{
button.Click += OnKeyboardButtonClick;
}
_rootPage = new KeyboardPage(xamlNode, null);
BuildPageHierarchy(_rootPage);
LayoutRoot.Children.Add(xamlNode);
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
}
}
public KeyboardPage(FrameworkElement page, KeyboardPage parent)
{
Page = page;
Parent = parent;
ChildrenNames = new List <string>();
Children = new List <KeyboardPage>();
}
private KeyboardPage FindContainer(KeyboardPage kbdPage, string containerName)
{
if (kbdPage.Page.Name == containerName)
{
return(kbdPage);
}
KeyboardPage containerPage = null;
for (int i = 0; i < kbdPage.Children.Count; i++)
{
containerPage = FindContainer(kbdPage.Children[i], containerName);
if (containerPage != null)
{
return(containerPage);
}
}
return(null);
}
private void BuildPageHierarchy(KeyboardPage parent)
{
var children = Keyboard.GetPageList(parent.Page);
foreach (var childName in children)
{
var node = parent.Page.FindName(childName) as FrameworkElement;
if (node != null)
{
var childPage = new KeyboardPage(node, parent);
parent.ChildrenNames.Add(childName);
parent.Children.Add(childPage);
BuildPageHierarchy(childPage);
}
}
if (parent.Children.Count > 0)
{
parent.CurrentChild = parent.Children[0];
}
}