private async void Initializator()
{
await GetMenus("");
if (MenuItemsAux != null)
{
foreach (MenuItem menuItem in MenuItemsAux)
{
MenuViewModel.AddMenu(menuItem);
}
MenuItemsAux = null;
}
if (MenuViewModel.MenuItems.Count != 0)
{
var myClassType = Type.GetType(String.Format("{0}.{1}", Constants.NameSpace, MenuViewModel.GetMenuItem(0).Page + "View"));
if (myClassType != null)
{
Detail = new MyNavigationPageRenderer((MyContentPageRenderer)Activator.CreateInstance(myClassType));
}
else
{
Detail = new MyNavigationPageRenderer(new NotFoundView());
}
}
else
{
Detail = new MyNavigationPageRenderer(new NotFoundView());
}
}
private async void SelectMenuItem(object sender, SelectedItemChangedEventArgs e)
{
var item = e.SelectedItem as MenuItem;
if (item == null)
{
return;
}
if (String.IsNullOrEmpty(item.Function))
{
await GetMenus(item.Profile);
Detail = new MyNavigationPageRenderer(new SubMenuView(MenuItemsAux));
MenuItemsAux = null;
return;
}
var myClassType = Type.GetType(String.Format("{0}.{1}", Constants.NameSpace, item.Page + "View"));
if (myClassType != null)
{
Detail = new MyNavigationPageRenderer((MyContentPageRenderer)Activator.CreateInstance(myClassType));
}
else
{
Detail = new MyNavigationPageRenderer(new NotFoundView());
}
IsPresented = false;
((ListView)sender).SelectedItem = null;
}
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
MyNavigationPageRenderer myNavigationPageRenderer = (MyNavigationPageRenderer)this.Element;
var gradientLayer = new CAGradientLayer();
gradientLayer.Bounds = NavigationBar.Bounds;
gradientLayer.Colors = new CGColor[] {
myNavigationPageRenderer.StartColor.ToCGColor(),
myNavigationPageRenderer.EndColor.ToCGColor()
};
gradientLayer.StartPoint = new CGPoint(0.0, 0.5);
gradientLayer.EndPoint = new CGPoint(1.0, 0.5);
UIGraphics.BeginImageContext(gradientLayer.Bounds.Size);
gradientLayer.RenderInContext(UIGraphics.GetCurrentContext());
UIImage image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
NavigationBar.ShadowImage = new UIImage();
NavigationBar.SetBackgroundImage(image, UIBarMetrics.Default);
}
public MenuView(string NamePerson)
{
InitializeComponent();
MenuViewModel = new MenuViewModel(NamePerson);
BindingContext = MenuViewModel;
Initializator();
Detail = new MyNavigationPageRenderer(new NotFoundView());
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
_toolbar = (Android.Support.V7.Widget.Toolbar)child;
MyNavigationPageRenderer myNavigationPageRenderer = (MyNavigationPageRenderer)Element;
GradientDrawable gradientDrawable = new GradientDrawable(
GradientDrawable.Orientation.LeftRight,
new int[] { myNavigationPageRenderer.StartColor.ToAndroid(),
myNavigationPageRenderer.EndColor.ToAndroid() });
_toolbar.SetBackgroundDrawable(gradientDrawable);
_toolbar.Elevation = 0;
}
}
private void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == MyContentPageRenderer.OrientationProperty.PropertyName)
{
MyNavigationPageRenderer myNavigationPageRenderer = (MyNavigationPageRenderer)this.Element;
var gradientLayer = new CAGradientLayer();
gradientLayer.Bounds = NavigationBar.Bounds;
gradientLayer.Colors = new CGColor[] {
myNavigationPageRenderer.StartColor.ToCGColor(),
myNavigationPageRenderer.EndColor.ToCGColor()
};
gradientLayer.StartPoint = new CGPoint(0.0, 0.5);
gradientLayer.EndPoint = new CGPoint(1.0, 0.5);
UIGraphics.BeginImageContext(gradientLayer.Bounds.Size);
gradientLayer.RenderInContext(UIGraphics.GetCurrentContext());
UIImage image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
NavigationBar.ShadowImage = new UIImage();
NavigationBar.SetBackgroundImage(image, UIBarMetrics.Default);
}
}
