public StartPage()
{
InitializeComponent();
BindingContext = _vm = new MainViewModel();
// ContentCarousel.ItemTemplate = new DataTemplate(typeof(MyFirstView));
SubcribeToSlideUpMenuMessages(); // Needed to catch SlideUpMenu events such as open and close menu...
MenuContentLayout.LowerChild(SlideUpMenu_Interactive); // hide menu used for interaction to the back of the display stack
//NOTE: The menu for Interaction should not be set to invisible as this will cause problems registering for messaging
}
async Task OpenSlideUpMenuAsync()
{
// content overlay
ContentOverlay.IsVisible = true;
await ContentOverlay.FadeTo(0.9, 20, Easing.CubicIn);
// Show menu
await SlideUpMenu_Animated.TranslateTo(0, -200, slideMenuSpeed, Easing.CubicInOut);
MenuContentLayout.RaiseChild(SlideUpMenu_Interactive);
SlideUpMenu_Animated.IsVisible = false;
slideMenuOpenClosePosition = 1; // Set flag to menu Open
}
async Task CloseSlideUpMenuAsync()
{
// Hide menu
SlideUpMenu_Animated.IsVisible = true;
MenuContentLayout.LowerChild(SlideUpMenu_Interactive);
await SlideUpMenu_Animated.TranslateTo(0, 0, slideMenuSpeed, Easing.CubicInOut);
// content overlay
await ContentOverlay.FadeTo(0, 100, Easing.CubicOut);
ContentOverlay.IsVisible = false;
slideMenuOpenClosePosition = 0; // reset counter to menu closed
}
private void PoolContents()
{
if (contentPrefab == null || contentContainer == null)
{
return;
}
for (int i = 0; i < poolCount; i++)
{
MenuContentLayout contentLayout = Instantiate(contentPrefab, contentContainer);
contentLayout.OnSelect += OnContentClicked;
contentLayoutList.Add(contentLayout);
contentLayout.gameObject.SetActive(false);
}
}
private MenuContentLayout GetContentLayout()
{
MenuContentLayout currentContentLayout = null;
foreach (MenuContentLayout contentLayout in contentLayoutList)
{
if (contentLayout.gameObject.activeInHierarchy)
{
continue;
}
contentLayout.gameObject.SetActive(true);
currentContentLayout = contentLayout;
break;
}
return(currentContentLayout);
}
private void SetContents(MenuContent[] contents)
{
ClearContentLayout();
if (contents == null || contents.Length == 0)
{
return;
}
foreach (MenuContent content in contents)
{
MenuContentLayout layout = GetContentLayout();
if (layout == null)
{
break;
}
layout.Set(content.thumbnail, content.text);
}
}
