private void SetupElement(int openGroup)
{
bool flag = this.CurrentElementRoot == null;
if (this.CurrentElementRoot != null && this.CurrentElementRoot.Item1 != openGroup)
{
this.FadeOutRoot(this.CurrentElementRoot);
this.CurrentElementRoot = (Tuple <int, CanvasGroup, IDisposable>)null;
}
List <TutorialUIElement> tutorialUiElementList;
if (!this.ElementTable.TryGetValue(openGroup, out tutorialUiElementList))
{
this.SetActive((Component)this._rightButton, false);
this.SetActive((Component)this._leftButton, false);
this.SetActive((Component)this._closeButton, !this.OpenGroupEnabled);
}
else
{
this.ElementRootTable.TryGetValue(openGroup, out this.CurrentElementRoot);
if (this.CurrentElementRoot != null)
{
if (flag)
{
this.CurrentElementRoot.Item3?.Dispose();
this.CurrentElementRoot.Item2.set_alpha(1f);
}
else
{
this.FadeInRoot(this.CurrentElementRoot);
}
((Component)this.CurrentElementRoot.Item2)?.get_transform()?.SetAsLastSibling();
}
this._currentElementList = tutorialUiElementList;
if (!this._currentElementList.IsNullOrEmpty <TutorialUIElement>())
{
for (int index = 0; index < this._currentElementList.Count; ++index)
{
TutorialUIElement element = this._currentElementList.GetElement <TutorialUIElement>(index);
if (!Object.op_Equality((Object)element, (Object)null))
{
element.CanvasAlpha = index != 0 || flag ? 0.0f : 1f;
if (Object.op_Inequality((Object)element.BackImage, (Object)null))
{
Color color = ((Graphic)element.BackImage).get_color();
color.a = (__Null)((double)this._elementBackImageAlpha / (double)byte.MaxValue);
((Graphic)element.BackImage).set_color(color);
}
}
}
}
this.PageMove(0);
}
}
private void AllClose()
{
this.CloseAllRoot();
foreach (KeyValuePair <int, List <TutorialUIElement> > keyValuePair in this.ElementTable)
{
if (!keyValuePair.Value.IsNullOrEmpty <TutorialUIElement>())
{
foreach (TutorialUIElement tutorialUiElement in keyValuePair.Value)
{
tutorialUiElement.CloseForced();
}
}
}
this._currentElement = (TutorialUIElement)null;
}
private void PageMove(int moveIndex)
{
int openIndex = this.OpenIndex;
int idx = this.OpenIndex + moveIndex;
List <TutorialUIElement> currentElementList = this._currentElementList;
if (!this.ListRange <TutorialUIElement>(currentElementList, idx))
{
return;
}
this.OpenIndex = idx;
if (openIndex == this.OpenIndex)
{
if (this._currentElement != null)
{
this._currentElement.Close(this._pageFadeTime, 0.0f);
}
this._currentElement = currentElementList.GetElement <TutorialUIElement>(this.OpenIndex);
if (this._currentElement != null)
{
this._currentElement.Open(this._pageFadeTime, 0.0f);
}
}
else
{
this.PlaySE(SoundPack.SystemSE.Page);
float moveX = this._pageMoveX * Mathf.Sign((float)moveIndex);
if (this._currentElement != null)
{
this._currentElement.Close(this._pageFadeTime, moveX);
}
this._currentElement = currentElementList.GetElement <TutorialUIElement>(this.OpenIndex);
if (this._currentElement != null)
{
this._currentElement.Open(this._pageFadeTime, moveX);
}
}
bool flag1 = this.ListRange <TutorialUIElement>(currentElementList, this.OpenIndex - 1);
bool flag2 = this.ListRange <TutorialUIElement>(currentElementList, this.OpenIndex + 1);
if (!flag1 && !flag2)
{
this.SetActive((Component)this._rightButton, false);
this.SetActive((Component)this._leftButton, false);
this.SetActive((Component)this._closeButton, !this.OpenGroupEnabled);
}
else if (flag1 && flag2)
{
this.SetActive((Component)this._rightButton, true);
this.SetActive((Component)this._leftButton, true);
this.SetActive((Component)this._closeButton, false);
}
else if (flag2)
{
this.SetActive((Component)this._rightButton, true);
this.SetActive((Component)this._leftButton, false);
this.SetActive((Component)this._closeButton, false);
}
else
{
if (!flag1)
{
return;
}
this.SetActive((Component)this._rightButton, false);
this.SetActive((Component)this._leftButton, true);
this.SetActive((Component)this._closeButton, !this.OpenGroupEnabled);
}
}