protected virtual void OnCanvasGroupChanged()
{
// Get the canvas responsible for the tooltip
this.m_Canvas = UIUtility.FindInParents <Canvas>(this.gameObject);
}
public void OnTransitionBegin(UIWindow window, UIWindow.VisualState state, bool instant)
{
if (!this.IsActive() || window == null)
{
return;
}
// Check if we are receiving hide event and we are not showing the overlay to begin with, return
if (state == UIWindow.VisualState.Hidden && !this.IsVisible())
{
return;
}
// Prepare transition duration
float duration = (instant) ? 0f : window.transitionDuration;
TweenEasing easing = window.transitionEasing;
// Showing a window
if (state == UIWindow.VisualState.Shown)
{
// Increase the window count so we know when to hide the overlay
this.m_WindowsCount += 1;
// Check if the overlay is already visible
if (this.IsVisible() && !this.m_Transitioning)
{
// Bring the window forward
UIUtility.BringToFront(window.gameObject);
// Break
return;
}
// Bring the overlay forward
UIUtility.BringToFront(this.gameObject);
// Bring the window forward
UIUtility.BringToFront(window.gameObject);
// Transition
this.StartAlphaTween(1f, duration, easing);
// Toggle block raycast on
this.m_CanvasGroup.blocksRaycasts = true;
}
// Hiding a window
else
{
// Decrease the window count
this.m_WindowsCount -= 1;
// Never go below 0
if (this.m_WindowsCount < 0)
{
this.m_WindowsCount = 0;
}
// Check if we still have windows using the overlay
if (this.m_WindowsCount > 0)
{
return;
}
// Transition
this.StartAlphaTween(0f, duration, easing);
// Toggle block raycast on
this.m_CanvasGroup.blocksRaycasts = false;
}
}
/// <summary>
/// Creates the list and it's options.
/// </summary>
protected void CreateList()
{
// Get the root canvas
Canvas rootCanvas = UIUtility.FindInParents <Canvas>(this.gameObject);
// Reset the last list size
this.m_LastListSize = Vector2.zero;
// Clear the option texts list
this.m_OptionObjects.Clear();
// Create the list game object with the necessary components
this.m_ListObject = new GameObject("UISelectField - List", typeof(RectTransform));
this.m_ListObject.layer = this.gameObject.layer;
// Change the parent of the list
this.m_ListObject.transform.SetParent(this.transform, false);
// Get the select field list component
UISelectField_List listComp = this.m_ListObject.AddComponent <UISelectField_List>();
// Make sure it's the top-most element
UIAlwaysOnTop aot = this.m_ListObject.AddComponent <UIAlwaysOnTop>();
aot.order = UIAlwaysOnTop.SelectFieldOrder;
// Get the list canvas group component
this.m_ListCanvasGroup = this.m_ListObject.AddComponent <CanvasGroup>();
// Change the anchor and pivot of the list
RectTransform rect = (this.m_ListObject.transform as RectTransform);
rect.localScale = new Vector3(1f, 1f, 1f);
rect.anchorMin = Vector2.zero;
rect.anchorMax = Vector2.zero;
rect.pivot = new Vector2(0f, 1f);
// Prepare the position of the list
rect.anchoredPosition = new Vector3(this.listMargins.left, (this.listMargins.top * -1f), 0f);
// Prepare the width of the list
float width = (this.transform as RectTransform).sizeDelta.x;
if (this.listMargins.left > 0)
{
width -= this.listMargins.left;
}
else
{
width += Math.Abs(this.listMargins.left);
}
if (this.listMargins.right > 0)
{
width -= this.listMargins.right;
}
else
{
width += Math.Abs(this.listMargins.right);
}
rect.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, width);
// Hook the Dimensions Change event
listComp.onDimensionsChange.AddListener(ListDimensionsChanged);
// Apply the background sprite
Image image = this.m_ListObject.AddComponent <Image>();
if (this.listBackgroundSprite != null)
{
image.sprite = this.listBackgroundSprite;
}
image.type = this.listBackgroundSpriteType;
image.color = this.listBackgroundColor;
// Prepare the vertical layout group
VerticalLayoutGroup layoutGroup = this.m_ListObject.AddComponent <VerticalLayoutGroup>();
layoutGroup.padding = this.listPadding;
layoutGroup.spacing = this.listSpacing;
// Prepare the content size fitter
ContentSizeFitter fitter = this.m_ListObject.AddComponent <ContentSizeFitter>();
fitter.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
// Get the list toggle group
ToggleGroup toggleGroup = this.m_ListObject.AddComponent <ToggleGroup>();
// Create the options
for (int i = 0; i < this.options.Count; i++)
{
// Create the option
this.CreateOption(i, toggleGroup);
// Create a separator if this is not the last option
if (i < (this.options.Count - 1))
{
this.CreateSeparator(i);
}
}
// Prepare the list for the animation
if (this.listAnimationType == ListAnimationType.None || this.listAnimationType == ListAnimationType.Fade)
{
// Starting alpha should be zero
this.m_ListCanvasGroup.alpha = 0f;
}
else if (this.listAnimationType == ListAnimationType.Animation)
{
// Attach animator component
Animator animator = this.m_ListObject.AddComponent <Animator>();
// Set the animator controller
animator.runtimeAnimatorController = this.listAnimatorController;
// Set the animation triggers so we can use them to detect when animations finish
listComp.SetTriggers(this.listAnimationOpenTrigger, this.listAnimationCloseTrigger);
// Hook a callback on the finish event
listComp.onAnimationFinish.AddListener(OnListAnimationFinish);
}
// Check if the navigation is disabled
if (this.navigation.mode == Navigation.Mode.None)
{
this.CreateBlocker(rootCanvas);
}
}