/// <summary>
/// Initializes the button with the given element info.
/// </summary>
public void Initialize(int inElementIndex, DMElementInfo inInfo, Action <DMButtonUI> inOnClick, int inIndent)
{
ElementIndex = inElementIndex;
m_OnClick = inOnClick;
m_Label.SetText(inInfo.Label);
RectOffset padding = m_IndentGroup.padding;
padding.left = inIndent;
m_IndentGroup.padding = padding;
SetInteractive(DMInfo.EvaluateOptionalPredicate(inInfo.Predicate), true);
switch (inInfo.Type)
{
case DMElementType.Button:
case DMElementType.Submenu:
{
SetToggleState(false, true);
break;
}
case DMElementType.Toggle:
{
SetToggleState(inInfo.Toggle.Getter(), true);
break;
}
}
}
private int IndexOfMenu(DMInfo inMenu)
{
for (int i = 0, len = m_MenuStack.Count; i < len; i++)
{
if (m_MenuStack[i].Menu == inMenu)
{
return(i);
}
}
return(-1);
}
private void GetPageSettings(DMInfo inMenu, out int outMaxPages, out int outElementsPerPage)
{
if (m_MaxElementsPerPage <= 0 || inMenu.Elements.Count <= 0)
{
outMaxPages = 1;
outElementsPerPage = inMenu.Elements.Count;
}
else
{
outMaxPages = (int)Math.Ceiling((float)inMenu.Elements.Count / m_MaxElementsPerPage);
outElementsPerPage = m_MaxElementsPerPage;
}
}
/// <summary>
/// Pushes a new menu onto the stack.
/// </summary>
public void PushMenu(DMInfo inMenu)
{
int existingIndex = IndexOfMenu(inMenu);
if (existingIndex >= 0)
{
int removeCount = m_MenuStack.Count - 1 - existingIndex;
if (removeCount > 0)
{
m_MenuStack.RemoveFromBack(removeCount);
}
}
else
{
m_MenuStack.PushBack(new MenuStackItem(inMenu, 0));
}
PopulateMenu(inMenu, 0);
}
/// <summary>
/// Updates all element's
/// </summary>
public void UpdateElements()
{
foreach (var button in m_ActiveButtons)
{
DMElementInfo info = m_CurrentMenu.Menu.Elements[button.ElementIndex];
button.UpdateInteractive(DMInfo.EvaluateOptionalPredicate(info.Predicate));
switch (info.Type)
{
case DMElementType.Toggle:
{
button.UpdateToggleState(info.Toggle.Getter());
break;
}
}
}
foreach (var text in m_ActiveTexts)
{
DMTextInfo textInfo = m_CurrentMenu.Menu.Elements[text.ElementIndex].Text;
text.UpdateValue(textInfo.Getter());
}
}
private void PopulateMenu(DMInfo inMenu, int inPageIndex)
{
EnsureInitialized();
if (m_CurrentMenu.Menu == inMenu && m_CurrentMenu.PageIndex == inPageIndex)
{
return;
}
m_CurrentMenu.Menu = inMenu;
if (inMenu == null)
{
Clear();
return;
}
int elementsPerPage, maxPages;
GetPageSettings(inMenu, out maxPages, out elementsPerPage);
m_CurrentMenu.PageIndex = Mathf.Clamp(inPageIndex, 0, maxPages - 1);
m_MenuStack[m_MenuStack.Count - 1] = m_CurrentMenu;
m_CurrentPageCount = maxPages;
m_Header.Init(inMenu.Header, m_MenuStack.Count > 1);
int usedButtons = 0;
int usedTexts = 0;
int usedDividers = 0;
int siblingIndex = m_SiblingIndexStart;
int elementOffset = m_CurrentMenu.PageIndex * elementsPerPage;
int elementCount = Math.Min(elementsPerPage, inMenu.Elements.Count - elementOffset);
int elementIndex;
for (int i = 0; i < elementCount; i++)
{
elementIndex = i + elementOffset;
DMElementInfo info = inMenu.Elements[elementIndex];
switch (info.Type)
{
case DMElementType.Divider:
{
RectTransform divider;
if (usedDividers >= m_ActiveDividers.Count)
{
divider = AllocDivider();
}
else
{
divider = m_ActiveDividers[usedDividers];
}
divider.SetSiblingIndex(siblingIndex++);
++usedDividers;
break;
}
case DMElementType.Button:
case DMElementType.Toggle:
case DMElementType.Submenu:
{
DMButtonUI button;
if (usedButtons >= m_ActiveButtons.Count)
{
button = AllocButton();
}
else
{
button = m_ActiveButtons[usedButtons];
}
button.Initialize(elementIndex, info, m_CachedButtonOnClick, m_IndentSpacing * info.Indent);
button.transform.SetSiblingIndex(siblingIndex++);
usedButtons++;
break;
}
case DMElementType.Text:
{
DMTextUI text;
if (usedTexts >= m_ActiveTexts.Count)
{
text = AllocText();
}
else
{
text = m_ActiveTexts[usedTexts];
}
text.Initialize(elementIndex, info, m_IndentSpacing * info.Indent);
text.transform.SetSiblingIndex(siblingIndex++);
usedTexts++;
break;
}
}
}
int buttonsToRemove = m_ActiveButtons.Count - usedButtons;
while (buttonsToRemove > 0)
{
DMButtonUI button = m_ActiveButtons.PopBack();
button.transform.SetParent(m_ElementPool, false);
m_InactiveButtons.PushBack(button);
buttonsToRemove--;
}
int textsToRemove = m_ActiveTexts.Count - usedTexts;
while (textsToRemove > 0)
{
DMTextUI text = m_ActiveTexts.PopBack();
text.transform.SetParent(m_ElementPool, false);
m_InactiveTexts.PushBack(text);
textsToRemove--;
}
int dividersToRemove = m_ActiveDividers.Count - usedDividers;
while (dividersToRemove > 0)
{
RectTransform divider = m_ActiveDividers.PopBack();
divider.transform.SetParent(m_ElementPool, false);
m_InactiveDividers.PushBack(divider);
dividersToRemove--;
}
if (maxPages > 1)
{
m_Page.gameObject.SetActive(true);
m_Page.transform.SetSiblingIndex(siblingIndex++);
m_Page.UpdatePage(m_CurrentMenu.PageIndex, maxPages);
}
else
{
m_Page.gameObject.SetActive(false);
}
}
/// <summary>
/// Clears the menu stack and goes to a new menu.
/// </summary>
public void GotoMenu(DMInfo inMenu)
{
m_MenuStack.Clear();
PushMenu(inMenu);
}
public MenuStackItem(DMInfo inMenu, int inPageIndex)
{
Menu = inMenu;
PageIndex = inPageIndex;
}