local _, addon = ...
if not addon.IsToCVersionEqualOrNewerThan(110000) then return end;

local L = addon.L;
local API = addon.API;
local ControlCenter = addon.ControlCenter;
local GetDBBool = addon.GetDBBool;


local Mixin = Mixin;
local CreateFrame = CreateFrame;
local DisableSharpening = API.DisableSharpening;


local Def = {
	TextureFile = "Interface/AddOns/Plumber/Art/ControlCenter/SettingsPanel.png";
	ButtonSize = 28,
	WidgetGap = 14,
	PageHeight = 576,
	CategoryGap = 40,
	TabButtonHeight = 40,


	ChangelogLineSpacing = 4,
	ChangelogParagraphSpacing = 16,
	ChangelogLineBreakHeight = 32,
	ChangelogIndent = 16,   -- 22 to match Checkbox Label. Equal to a "- " in markdown
	ChangelogIndent2 = 32,	-- Equal to a "  - " in markdown
	ChangelogImageSize = 240,
	ChangelogImageSizeLarge = 300,


	TextColorNormal = {215/255, 192/255, 163/255},
	TextColorHighlight = {1, 1, 1},
	TextColorNonInteractable = {148/255, 124/255, 102/255},
	TextColorDisabled = {0.5, 0.5, 0.5},
	TextColorReadable = {163/255, 157/255, 147/255},
};


local MainFrame = CreateFrame("Frame", nil, UIParent, "PlumberSettingsPanelLayoutTemplate");
ControlCenter.SettingsPanel = MainFrame;
do
	local frameKeys = {"LeftSection", "RightSection", "CentralSection", "SideTab", "TabButtonContainer", "ModuleTab", "ChangelogTab"};
	for _, key in ipairs(frameKeys) do
		MainFrame[key] = MainFrame.FrameContainer[key];
	end
end
local SearchBox;
local FilterButton;
local CategoryHighlight;
local ActiveCategoryInfo = {};


local function SkinObjects(obj, texture)
	if obj.SkinnableObjects then
		for _, _obj in ipairs(obj.SkinnableObjects) do
			SkinObjects(_obj, texture)
		end
	elseif obj.SetTexture then
		if obj.useTrilinearFilter then
			obj:SetTexture(texture, nil, nil, "TRILINEAR");
		else
			obj:SetTexture(texture);
		end
	end
end

local function SetTexCoord(obj, x1, x2, y1, y2)
	obj:SetTexCoord(x1/1024, x2/1024, y1/1024, y2/1024);
end

local function SetTextColor(obj, color)
	obj:SetTextColor(color[1], color[2], color[3])
end

local function CreateNewFeatureMark(button, smallDot)
	local newTag = button:CreateTexture(nil, "OVERLAY");
	newTag:SetTexture("Interface/AddOns/Plumber/Art/ControlCenter/NewFeatureTag", nil, nil, smallDot and "TRILINEAR" or "LINEAR");
	newTag:SetSize(16, 16);
	newTag:SetPoint("RIGHT", button, "LEFT", 0, 0);
	newTag:Hide();
	if smallDot then
		newTag:SetTexCoord(0.5, 1, 0, 1);
	else
		newTag:SetTexCoord(0, 0.5, 0, 1);
	end
	return newTag
end

local function CreateDivider(frame, width)
	local div = frame:CreateTexture(nil, "OVERLAY");
	div:SetSize(width, 24);
	div:SetTexture(Def.TextureFile);
	DisableSharpening(div);
	SetTexCoord(div, 416, 672, 16, 64);
	return div
end


local MakeFadingObject;
do
	local FadeMixin = {};

	local function FadeIn_OnUpdate(self, elapsed)
		self.alpha = self.alpha + self.fadeSpeed * elapsed;
		if self.alpha >= self.fadeInAlpha then
			self:SetScript("OnUpdate", nil);
			self.alpha = self.fadeInAlpha;
		end
		self:SetAlpha(self.alpha);
	end

	local function FadeOut_OnUpdate(self, elapsed)
		self.alpha = self.alpha - self.fadeSpeed * elapsed;
		if self.alpha <= self.fadeOutAlpha then
			self:SetScript("OnUpdate", nil);
			self.alpha = self.fadeOutAlpha;
			if self.hideAfterFadeOut then
				self:Hide();
			end
		end
		self:SetAlpha(self.alpha);
	end

	function FadeMixin:FadeIn(instant)
		if instant then
			self.alpha = 1;
			self:SetScript("OnUpdate", nil);
		else
			self.alpha = self:GetAlpha();
			self:SetScript("OnUpdate", FadeIn_OnUpdate);
		end
		self:Show();
	end

	function FadeMixin:FadeOut()
		self.alpha = self:GetAlpha();
		self:SetScript("OnUpdate", FadeOut_OnUpdate);
	end

	function FadeMixin:SetFadeInAlpha(alpha)
		if alpha <= 0.099 then
			self.fadeInAlpha = 1;
		else
			self.fadeInAlpha = alpha;
		end
	end

	function FadeMixin:SetFadeOutAlpha(alpha)
		if alpha <= 0.01 then
			self.fadeOutAlpha = 0;
			self.hideAfterFadeOut = true;
		else
			self.fadeOutAlpha = alpha;
			self.hideAfterFadeOut = false;
		end
	end

	function FadeMixin:SetFadeSpeed(fadeSpeed)
		self.fadeSpeed = fadeSpeed;
	end

	function MakeFadingObject(obj)
		Mixin(obj, FadeMixin);
		obj:SetFadeOutAlpha(0);
		obj:SetFadeInAlpha(1);
		obj:SetFadeSpeed(5);
		obj.alpha = 1;
	end
end


local CreateSearchBox;
do
	local SearchBoxMixin = {};
	local StringTrim = API.StringTrim;

	function SearchBoxMixin:SetTexture(texture)
		SkinObjects(self, texture);
	end

	function SearchBoxMixin:SetInstruction(text)
		self.Instruction:SetText(text);
	end

	function SearchBoxMixin:OnEnable()
		self:UpdateVisual();
	end

	function SearchBoxMixin:OnDisable()
		self:UpdateVisual();
	end

	function SearchBoxMixin:UpdateVisual()
		if self:IsEnabled() then
			if self:HasFocus() then
				self:SetTextColor(1, 1, 1);
			elseif self:IsMouseMotionFocus() then
				self:SetTextColor(1, 1, 1);
			else
				SetTextColor(self, Def.TextColorNormal);
			end
			self.Left:SetDesaturated(false);
			self.Center:SetDesaturated(false);
			self.Right:SetDesaturated(false);
			self.Left:SetVertexColor(1, 1, 1);
			self.Center:SetVertexColor(1, 1, 1);
			self.Right:SetVertexColor(1, 1, 1);
		else
			self:SetTextColor(0.5, 0.5, 0.5);
			self.Left:SetDesaturated(true);
			self.Center:SetDesaturated(true);
			self.Right:SetDesaturated(true);
			self.Left:SetVertexColor(0.5, 0.5, 0.5);
			self.Center:SetVertexColor(0.5, 0.5, 0.5);
			self.Right:SetVertexColor(0.5, 0.5, 0.5);
		end
	end

	function SearchBoxMixin:OnEscapePressed()
		self:ClearFocus();
	end

	function SearchBoxMixin:OnEnterPressed()
		self:ClearFocus();
	end

	function SearchBoxMixin:OnTextChanged(userInput)
		if self.hasOnTextChangeCallback then
			self.t = 0;
			self:SetScript("OnUpdate", self.OnUpdate);
		end
		self.ResetButton:SetShown(self:HasText());
	end

	function SearchBoxMixin:OnUpdate(elapsed)
		self.t = self.t + elapsed;
		if self.t > 0.2 then
			self.t = nil;
			self:SetScript("OnUpdate", nil);
			if self.searchFunc then
				if self:IsNumeric() then
					self.searchFunc(self, self:GetNumber());
				else
					self.searchFunc(self, StringTrim(self:GetText()));
				end
			end
		end
	end

	function SearchBoxMixin:SetSearchFunc(searchFunc)
		self.searchFunc = searchFunc;
		self.hasOnTextChangeCallback = searchFunc ~= nil;
	end

	function SearchBoxMixin:OnHide()
		self.t = nil;
		self:SetScript("OnUpdate", nil);
	end

	function SearchBoxMixin:UpdateText()
		local text = self:GetText();
		text = StringTrim(text);
		self:SetText(text or "");
		if text then
			self.Instruction:Hide();
			self.ResetButton:Show();
		else
			self.Instruction:Show();
			self.ResetButton:Hide();
		end
	end

	function SearchBoxMixin:OnEditFocusLost()
		self.Magnifier:SetVertexColor(0.5, 0.5, 0.5);
		self:UpdateText();
		self:UnlockHighlight();
		self:UpdateVisual();
	end

	function SearchBoxMixin:OnEditFocusGained()
		self.Instruction:Hide();
		self.Magnifier:SetVertexColor(1, 1, 1);
		self:LockHighlight();
		self:UpdateVisual();
	end

	function SearchBoxMixin:ClearText()
		self:SetText("");
		if not self:HasFocus() then
			self.Instruction:Show();
		end
	end

	function SearchBoxMixin:HasStickyFocus()
		return self:IsMouseMotionFocus() or self.ResetButton:IsMouseMotionFocus()
	end

	local function ResetButton_OnEnter(self)
		SetTexCoord(self.Texture, 904, 944, 0, 40);
	end

	local function ResetButton_OnLeave(self)
		SetTexCoord(self.Texture, 864, 904, 0, 40);
	end

	local function ResetButton_OnClick(self)
		self:GetParent():ClearText();
		addon.LandingPageUtil.PlayUISound("CheckboxOff");
	end


	function CreateSearchBox(parent)
		local f = CreateFrame("EditBox", nil, parent, "PlumberEditBoxArtTemplate");
		Mixin(f, SearchBoxMixin);

		f:SetTexture(Def.TextureFile);

		SetTexCoord(f.Left, 0, 32, 0, 80);
		SetTexCoord(f.Center, 32, 160, 0, 80);
		SetTexCoord(f.Right, 160, 192, 0, 80);

		SetTexCoord(f.Magnifier, 984, 1024, 0, 40);
		f.Magnifier:SetVertexColor(0.5, 0.5, 0.5);

		f:SetInstruction(SEARCH);

		f:SetSize(168, Def.ButtonSize);

		f:SetScript("OnEditFocusGained", f.OnEditFocusGained);
		f:SetScript("OnEditFocusLost", f.OnEditFocusLost);
		f:SetScript("OnEscapePressed", f.OnEscapePressed);
		f:SetScript("OnEnterPressed", f.OnEnterPressed);
		f:SetScript("OnEnable", f.OnEnable);
		f:SetScript("OnDisable", f.OnDisable);
		f:SetScript("OnHide", f.OnHide);
		f:SetScript("OnTextChanged", f.OnTextChanged);

		f.ResetButton:SetScript("OnEnter", ResetButton_OnEnter);
		f.ResetButton:SetScript("OnLeave", ResetButton_OnLeave);
		f.ResetButton:SetScript("OnClick", ResetButton_OnClick);
		SetTexCoord(f.ResetButton.Texture, 864, 904, 0, 40);

		f:SetSearchFunc(function(self, text)
			MainFrame:RunSearch(text);
		end);

		return f
	end
end


local MenuInfo = {};
do
	function MenuInfo.InfoGetter_ModuleFilter()
		local tbl = {
			key = "SettingsPanelFilterMenu",
		};

		local tinsert = table.insert;

		local widgets = {
			{type = "Header", text = CLUB_FINDER_SORT_BY},
		};


		local selectedIndex = ControlCenter:UpdateCurrentSortMethod();
		for i = 1, ControlCenter:GetNumFilters() do
			tinsert(widgets, {
				type = "Radio",
				text = L["SortMethod "..i];
				closeAfterClick = true,
				onClickFunc = function()
					ControlCenter:SetCurrentSortMethod(i);
					MainFrame:RefreshFeatureList();
				end,
				selected = i == selectedIndex,
			});
		end


		tinsert(widgets, {type = "Divider"});
		tinsert(widgets, {type = "Header", text = L["Module Control"]});
		tinsert(widgets, {type = "Checkbox", text = L["ModuleName EnableNewByDefault"], tooltip = L["ModuleDescription EnableNewByDefault"], closeAfterClick = false,
			selected = GetDBBool("EnableNewByDefault"),
			onClickFunc = function() addon.FlipDBBool("EnableNewByDefault") end,
		});


		if ControlCenter:AnyNewFeatureMarker() then
			tinsert(widgets, {type = "Divider"});
			tinsert(widgets, {type = "Button", text = L["Remove New Feature Marker"], tooltip = L["Remove New Feature Marker Tooltip"]:format("|TInterface\\AddOns\\Plumber\\Art\\ControlCenter\\NewFeatureTooltipIcon:0:0|t"), closeAfterClick = true,
				onClickFunc = function()
					ControlCenter:FlagCurrentNewFeatureMarkerSeen();
					MainFrame:RefreshFeatureList();
					for _, button in MainFrame.primaryCategoryPool:EnumerateActive() do
						button.NewTag:Hide();
					end
				end,
			});
		end


		tbl.widgets = widgets;
		return tbl
	end

	function MenuInfo.InfoGetter_ChangelogMenu()
		local tbl = {
			key = "SettingsPanelChangelogMenu",
		};

		local widgets = {
			{type = "Header", text = L["Font Size"]},
		};


		local selectedIndex = PlumberDB and PlumberDB.SettingsPanel_ChangelogFontSize or 1;
		local sizes = {12, 14};

		for k, v in ipairs(sizes) do
			table.insert(widgets, {
				type = "Radio",
				text = v;
				closeAfterClick = true,
				onClickFunc = function()
					PlumberDB.SettingsPanel_ChangelogFontSize = k;
					MainFrame:ShowChangelog(MainFrame.currentVersionID or MainFrame.latestVersionID);
				end,
				selected = k == selectedIndex,
			});
		end

		tbl.widgets = widgets;
		return tbl
	end
end


local CreateSquareButton;
do
	local SqaureButtonMixin = {};

	function SqaureButtonMixin:OnMouseDown()
		if not self:IsEnabled() then return end;
		self.onMouseDownFunc(self);
	end

	function SqaureButtonMixin:OnMouseUp()
		self.onMouseUpFunc(self);
	end

	function SqaureButtonMixin:OnClick(button)
		self.onClickFunc(self, button);
	end


	function CreateSquareButton(parent)
		local f = CreateFrame("Button", nil, parent, "PlumberSquareButtonArtTemplate");
		Mixin(f, SqaureButtonMixin);
		f:SetSize(Def.ButtonSize, Def.ButtonSize);

		SkinObjects(f, Def.TextureFile);
		SetTexCoord(f.Background, 192, 272, 0, 80);
		SetTexCoord(f.Texture, 272, 320, 16, 64);
		SetTexCoord(f.Highlight, 368, 416, 16, 64);
		f.Highlight:SetVertexColor(0.4, 0.2, 0.1);

		f:SetScript("OnMouseDown", f.OnMouseDown);
		f:SetScript("OnMouseUp", f.OnMouseUp);
		f:SetScript("OnClick", f.OnClick);

		return f
	end
end


local CreateCategoryButton;
do
	local CategoryButtonMixin = {};

	function CategoryButtonMixin:OnEnter()
		MainFrame:HighlightButton(self);
		SetTextColor(self.Label, Def.TextColorHighlight);
	end

	function CategoryButtonMixin:OnLeave()
		MainFrame:HighlightButton();
		SetTextColor(self.Label, Def.TextColorNormal);
	end

	function CategoryButtonMixin:SetCategory(key, text, anyNewFeature)
		self.Label:SetText(text);
		self.cateogoryName = string.lower(text);
		self.categoryKey = key;

		self.NewTag:ClearAllPoints();
		self.NewTag:SetPoint("CENTER", self, "LEFT", 0, 0);
		self.NewTag:SetShown(anyNewFeature);
	end

	function CategoryButtonMixin:ShowCount(count)
		if count and count > 0 then
			self.Count:SetText(count);
			self.CountContainer:FadeIn();
		else
			self.CountContainer:FadeOut();
		end
	end

	function CategoryButtonMixin:OnClick()
		if ActiveCategoryInfo[self.categoryKey] then
			MainFrame.ModuleTab.ScrollView:ScrollTo(ActiveCategoryInfo[self.categoryKey].scrollOffset);
			addon.LandingPageUtil.PlayUISound("ScrollBarStep");
		end
	end

	function CategoryButtonMixin:OnMouseDown()
		if ActiveCategoryInfo[self.categoryKey] then
			self.Label:SetPoint("LEFT", self, "LEFT", self.labelOffset + 1, -1);
		end
	end

	function CategoryButtonMixin:OnMouseUp()
		self:ResetOffset();
	end

	function CategoryButtonMixin:ResetOffset()
		self.Label:SetPoint("LEFT", self, "LEFT", self.labelOffset, 0);
	end

	function CreateCategoryButton(parent)
		local f = CreateFrame("Button", nil, parent);
		Mixin(f, CategoryButtonMixin);
		f:SetSize(120, 26);
		f.labelOffset = 9;
		f.Label = f:CreateFontString(nil, "OVERLAY", "GameFontNormal");
		f.Label:SetJustifyH("LEFT");
		f.Label:SetPoint("LEFT", f, "LEFT", 9, 0);
		SetTextColor(f.Label, Def.TextColorNormal);

		local CountContainer = CreateFrame("Frame", nil, f);
		f.CountContainer = CountContainer;
		CountContainer:SetSize(Def.ButtonSize, Def.ButtonSize);
		CountContainer:SetPoint("RIGHT", f, "RIGHT", 0, 0);
		CountContainer:Hide();
		CountContainer:SetAlpha(0);
		MakeFadingObject(CountContainer);
		CountContainer:SetFadeSpeed(8);

		f.Count = CountContainer:CreateFontString(nil, "OVERLAY", "GameFontNormal");
		f.Count:SetJustifyH("RIGHT");
		f.Count:SetPoint("RIGHT", CountContainer, "RIGHT", -9, 0);
		SetTextColor(f.Count, Def.TextColorNonInteractable);

		f:SetScript("OnEnter", f.OnEnter);
		f:SetScript("OnLeave", f.OnLeave);
		f:SetScript("OnClick", f.OnClick);
		f:SetScript("OnMouseDown", f.OnMouseDown);
		f:SetScript("OnMouseUp", f.OnMouseUp);

		f.NewTag = CreateNewFeatureMark(f, true);

		return f
	end
end


local OptionToggleMixin = {};
do
	function OptionToggleMixin:OnEnter()
		self.Texture:SetVertexColor(1, 1, 1);
		local tooltip = GameTooltip;
		tooltip:SetOwner(self, "ANCHOR_RIGHT");
		tooltip:SetText(SETTINGS, 1, 1, 1, 1);
		tooltip:Show();
	end

	function OptionToggleMixin:OnLeave()
		self:ResetVisual();
		GameTooltip:Hide();
	end

	function OptionToggleMixin:OnClick(button)
		if self.onClickFunc then
			self.onClickFunc(self, button);
			if self.hasMovableWidget then
				if addon.AnyShownModuleOptions() then
					MainFrame:Minimize();
				end
			end
		end
	end

	function OptionToggleMixin:SetOnClickFunc(onClickFunc, hasMovableWidget)
		self.onClickFunc = onClickFunc;
		self.hasMovableWidget = hasMovableWidget;
	end

	function OptionToggleMixin:ResetVisual()
		self.Texture:SetVertexColor(0.65, 0.65, 0.65);
	end

	function OptionToggleMixin:OnLoad()
		self:SetScript("OnEnter", self.OnEnter);
		self:SetScript("OnLeave", self.OnLeave);
		self:SetScript("OnClick", self.OnClick);
		self:ResetVisual();
		self.isPlumberSettingsPanelToggle = true;
	end
end


local CreateSettingsEntry;
do
	local EntryButtonMixin = {};

	function EntryButtonMixin:SetData(moduleData)
		self.Label:SetText(moduleData.name);
		self.dbKey = moduleData.dbKey;
		self.virtual = moduleData.virtual;
		self.data = moduleData;
		self.NewTag:SetShown((not self.isChangelogButton) and moduleData.isNewFeature);
		self.OptionToggle:SetOnClickFunc(moduleData.optionToggleFunc, self.data.hasMovableWidget);
		self.hasOptions = moduleData.optionToggleFunc ~= nil;
		self:UpdateState();
		self:UpdateVisual();
	end

	function EntryButtonMixin:OnEnter()
		MainFrame:HighlightButton(self);
		self:UpdateVisual();
		if not self.isChangelogButton then
			MainFrame:ShowFeaturePreview(self.data, self.parentDBKey);
		end
	end

	function EntryButtonMixin:OnLeave()
		MainFrame:HighlightButton();
		self:UpdateVisual();
	end

	function EntryButtonMixin:OnEnable()
		self:UpdateVisual();
	end

	function EntryButtonMixin:OnDisable()
		self:UpdateVisual();
	end

	function EntryButtonMixin:OnClick()
		if self.dbKey and self.data.toggleFunc then
			local newState = not GetDBBool(self.dbKey);
			addon.SetDBValue(self.dbKey, newState, true);
			self.data.toggleFunc(newState);
			if newState then
				addon.LandingPageUtil.PlayUISound("CheckboxOn");
			else
				addon.LandingPageUtil.PlayUISound("CheckboxOff");
				addon.CloseSettingsDialogByModuleDBKey(self.dbKey);
			end

			if self:IsMouseMotionFocus() then
				--Some module descriptions change with enable states
				if not self.isChangelogButton then
					MainFrame:ShowFeaturePreview(self.data, self.parentDBKey);
				end
			end
		end

		MainFrame:UpdateSettingsEntries();
	end

	function EntryButtonMixin:UpdateState()
		if self.virtual then
			self:Enable();
			self.OptionToggle:SetShown(self.hasOptions);
			SetTexCoord(self.Box, 736, 784, 64, 112);
			return
		end

		local disabled;
		if self.parentDBKey and not GetDBBool(self.parentDBKey) then
			disabled = true;
		end

		if GetDBBool(self.dbKey) then
			if disabled then
				SetTexCoord(self.Box, 784, 832, 64, 112);
			else
				SetTexCoord(self.Box, 736, 784, 16, 64);
			end
			self.OptionToggle:SetShown(self.hasOptions);
		else
			if disabled then
				SetTexCoord(self.Box, 784, 832, 16, 64);
			else
				SetTexCoord(self.Box, 688, 736, 16, 64);
			end
			self.OptionToggle:Hide();
		end

		if disabled then
			self:Disable();
		else
			self:Enable();
		end
	end

	function EntryButtonMixin:UpdateVisual()
		if self:IsEnabled() then
			if self:IsMouseMotionFocus() then
				SetTextColor(self.Label, Def.TextColorHighlight);
				SetTexCoord(self.OptionToggle.Texture, 904, 944, 40, 80);
			else
				SetTextColor(self.Label, Def.TextColorNormal);
				SetTexCoord(self.OptionToggle.Texture, 864, 904, 40, 80);
			end
		else
			SetTextColor(self.Label, Def.TextColorDisabled);
		end
	end

	function CreateSettingsEntry(parent)
		local f = CreateFrame("Button", nil, parent, "PlumberSettingsPanelEntryTemplate");
		Mixin(f, EntryButtonMixin);
		f:SetMotionScriptsWhileDisabled(true);
		f:SetScript("OnEnter", f.OnEnter);
		f:SetScript("OnLeave", f.OnLeave);
		f:SetScript("OnEnable", f.OnEnable);
		f:SetScript("OnDisable", f.OnDisable);
		f:SetScript("OnClick", f.OnClick);
		SetTextColor(f.Label, Def.TextColorNormal);

		f.Box.useTrilinearFilter = true;
		--f.OptionToggle.Texture.useTrilinearFilter = true;
		SkinObjects(f, Def.TextureFile);

		f.NewTag = CreateNewFeatureMark(f);

		Mixin(f.OptionToggle, OptionToggleMixin);
		f.OptionToggle:OnLoad();

		return f
	end
end


local CreateSettingsHeader;
do
	local HeaderMixin = {};

	function HeaderMixin:SetText(text)
		self.Label:SetText(text)
	end


	function CreateSettingsHeader(parent)
		local f = CreateFrame("Frame", nil, parent, "PlumberSettingsPanelHeaderTemplate");
		Mixin(f, HeaderMixin);
		SetTextColor(f.Label, Def.TextColorNonInteractable);

		SkinObjects(f, Def.TextureFile);
		SetTexCoord(f.Left, 416, 456, 80, 120);
		SetTexCoord(f.Right, 456, 736, 80, 120);

		return f
	end
end


local CreateSelectionHighlight;
do
	local SelectionHighlightMixin = {};
	local outQuart = addon.EasingFunctions.outQuart;

	function SelectionHighlightMixin:FadeIn()
		self.isFading = true;
		self:SetAlpha(0);
		self.t = 0;
		self.alpha = 0;
		--self:UpdateSize();
		self:SetScript("OnUpdate", self.OnUpdate);
		self:Show();
	end

	function SelectionHighlightMixin:UpdateSize()
		local width, height = self:GetSize();
		width = width;
		self.length = 2 * (width + height);
		self.fromX = -0.5*width;
		self.fromY = 0.5*height;
		self.speed = 256;
		self.t1 = width / self.speed;
		self.t2 = (width + height) / self.speed;
		self.t3 = (2*width + height) / self.speed;
		self.t4 = (2*width + 2*height) / self.speed;
		self.Mask1:ClearAllPoints();
		self.Mask1:SetPoint("CENTER", self, "CENTER", self.fromX, self.fromY);
		self.Mask2:ClearAllPoints();
		self.Mask2:SetPoint("CENTER", self, "CENTER", -self.fromX, -self.fromY);
	end

	--[[
	function SelectionHighlightMixin:OnUpdate(elapsed)
		self.t = self.t + elapsed;

		if self.isFading then
			self.alpha = self.alpha + 5 * elapsed;
			if self.alpha > 1 then
				self.alpha = 1;
				self.isFading = nil;
			end
			self:SetAlpha(self.alpha);
		end

		if self.t > self.t4 then
			self.t = self.t - self.t4;
		end

		if self.t > self.t3 then
			self.a = (self.t - self.t3)/(self.t4 - self.t3);
			self.x = self.fromX;
			self.y =  -(1-self.a)*self.fromY + self.a*self.fromY;
		elseif self.t > self.t2 then
			self.a = (self.t - self.t2)/(self.t3 - self.t2);
			self.x = -(1-self.a)*self.fromX +self.a*self.fromX;
			self.y = -self.fromY;
		elseif self.t > self.t1 then
			self.a = (self.t - self.t1)/(self.t2 - self.t1);
			self.x = -self.fromX;
			self.y = (1-self.a)*self.fromY - self.a*self.fromY;
		else
			self.a = self.t/self.t1;
			self.x = (1-self.a)*self.fromX -self.a*self.fromX;
			self.y = self.fromY;
		end

		self.Mask1:SetPoint("CENTER", self, "CENTER", self.x, self.y);
		self.Mask2:SetPoint("CENTER", self, "CENTER", -self.x, -self.y);
	end
	--]]

	function SelectionHighlightMixin:OnUpdate(elapsed)
		self.t = self.t + elapsed;

		if self.isFading then
			self.alpha = self.alpha + 5 * elapsed;
			if self.alpha > 1 then
				self.alpha = 1;
				self.isFading = nil;
				self:SetScript("OnUpdate", nil);
			end
			self:SetAlpha(self.alpha);
		end

		--[[
		self.x = outQuart(self.t, self.fromX - 160, self.fromX, self.d);
		self.Mask1:SetPoint("CENTER", self, "CENTER", self.x, self.fromY);
		self.Mask2:SetPoint("CENTER", self, "CENTER", -self.x, -self.fromY -20);
		if self.t > self.d then
			self.t = 0;
			self:SetScript("OnUpdate", nil);
		end
		--]]
	end

	function SelectionHighlightMixin:OnHide()
		self:Hide();
		self:ClearAllPoints();
	end

	function CreateSelectionHighlight(parent)
		local f = CreateFrame("Frame", nil, parent, "PlumberSettingsAnimSelectionTemplate");
		Mixin(f, SelectionHighlightMixin);

		SkinObjects(f, Def.TextureFile);

		SetTexCoord(f.Left, 0, 32, 80, 160);
		SetTexCoord(f.Center, 32, 160, 80, 160);
		SetTexCoord(f.Right, 160, 192, 80, 160);

		--[[
		SetTexCoord(f.Border1Left, 192, 224, 80, 160);
		SetTexCoord(f.Border2Left, 192, 224, 80, 160);
		SetTexCoord(f.Border1Center, 224, 352, 80, 160);
		SetTexCoord(f.Border2Center, 224, 352, 80, 160);
		SetTexCoord(f.Border1Right, 352, 384, 80, 160);
		SetTexCoord(f.Border2Right, 352, 384, 80, 160);
		--]]

		f.d = 0.6;
		f:Hide();
		f:SetScript("OnHide", f.OnHide);

		return f
	end
end


do  --Left Section
	function MainFrame:HighlightButton(button)
		CategoryHighlight:Hide();
		CategoryHighlight:ClearAllPoints();
		if button then
			CategoryHighlight:SetPoint("LEFT", button, "LEFT", 0, 0);
			CategoryHighlight:SetPoint("RIGHT", button, "RIGHT", 0, 0);
			CategoryHighlight:SetParent(button);
			CategoryHighlight:FadeIn();
		end
	end
end


do  --Right Section
	function MainFrame:ShowFeaturePreview(moduleData, parentDBKey)
		if not moduleData then return end;
		local desc = moduleData.description;
		local additonalDesc = moduleData.descriptionFunc and moduleData.descriptionFunc() or nil;
		if additonalDesc then
			if desc then
				desc = desc.."\n\n"..additonalDesc;
			else
				desc = additonalDesc;
			end
		end
		if moduleData.tocVersionCheckFailed then
			local warningText = "|cffd4641c"..L["Module Wrong Game Version"].."|r";
			if desc then
				desc = desc.."\n\n"..warningText;
			else
				desc = warningText;
			end
		end
		self.FeatureDescription:SetText(desc);
		self.FeaturePreview:SetTexture("Interface/AddOns/Plumber/Art/ControlCenter/Preview_"..(parentDBKey or moduleData.dbKey));

		if moduleData.consultant then
			self.FooterTexture:Show();
			if moduleData.consultant == 2 then
				self.FooterTexture:SetTexCoord(0, 1, 0.125, 0.25);
			else
				self.FooterTexture:SetTexCoord(0, 1, 0, 0.125);
			end
		else
			self.FooterTexture:Hide();
		end
	end
end


do  --Search
	function MainFrame:RunSearch(text)
		if text and text ~= "" then
			self.listGetter = function()
				return ControlCenter:GetSearchResult(text);
			end;
			self:RefreshFeatureList();
			for _, button in self.primaryCategoryPool:EnumerateActive() do
				if ActiveCategoryInfo[button.categoryKey] then
					button:FadeIn();
					button:ShowCount(ActiveCategoryInfo[button.categoryKey].numModules)
				else
					button:FadeOut();
					button:ShowCount(false);
				end
			end
		else
			self.listGetter = ControlCenter.GetSortedModules;
			self:RefreshFeatureList();
			for _, button in self.primaryCategoryPool:EnumerateActive() do
				button:FadeIn();
				button:ShowCount(false);
			end
		end
	end
end


do  --Centeral
	function MainFrame:RefreshFeatureList()
		local top, bottom;
		local n = 0;
		local fromOffsetY = Def.ButtonSize;
		local offsetY = fromOffsetY;
		local content = {};

		local buttonHeight = Def.ButtonSize;
		local categoryGap = Def.CategoryGap;
		local buttonGap = 0;
		local subOptionOffset = Def.ButtonSize;
		local offsetX = 0;

		ActiveCategoryInfo = {};
		self.firstModuleData = nil;

		local sortedModule = self.listGetter and self.listGetter() or ControlCenter:GetSortedModules();

		for index, categoryInfo in ipairs(sortedModule) do   --ControlCenter:GetValidModules()
			n = n + 1;
			top = offsetY;
			bottom = offsetY + buttonHeight + buttonGap;

			ActiveCategoryInfo[categoryInfo.key] = {
				scrollOffset = top - fromOffsetY,
				numModules = categoryInfo.numModules,
			};

			content[n] = {
				dataIndex = n,
				templateKey = "Header",
				setupFunc = function(obj)
					obj:SetText(categoryInfo.categoryName);
				end,
				top = top,
				bottom = bottom,
				offsetX = offsetX,
			};
			offsetY = bottom;

			if n == 1 then
				self.firstModuleData = categoryInfo.modules[1];
			end

			for _, data in ipairs(categoryInfo.modules) do
				n = n + 1;
				top = offsetY;
				bottom = offsetY + buttonHeight + buttonGap;
				content[n] = {
					dataIndex = n,
					templateKey = "Entry",
					setupFunc = function(obj)
						obj.parentDBKey = nil;
						obj:SetData(data);
					end,
					top = top,
					bottom = bottom,
					offsetX = offsetX,
				};
				offsetY = bottom;

				if data.subOptions then
					for _, v in ipairs(data.subOptions) do
						n = n + 1;
						top = offsetY;
						bottom = offsetY + buttonHeight + buttonGap;
						content[n] = {
							dataIndex = n,
							templateKey = "Entry",
							setupFunc = function(obj)
								obj.parentDBKey = data.dbKey;
								obj:SetData(v);
							end,
							top = top,
							bottom = bottom,
							offsetX = offsetX + 0.5*subOptionOffset,
						};
						offsetY = bottom;
					end
				end
			end
			offsetY = offsetY + categoryGap;
		end

		local retainPosition = true;
		self.ModuleTab.ScrollView:SetContent(content, retainPosition);

		if self.firstModuleData then
			self:ShowFeaturePreview(self.firstModuleData);
		end
	end

	function MainFrame:RefreshCategoryList()
		self.primaryCategoryPool:ReleaseAll();
		for index, categoryInfo in ipairs(ControlCenter:GetSortedModules()) do
			local categoryButton = self.primaryCategoryPool:Acquire();
			categoryButton:SetCategory(categoryInfo.key, categoryInfo.categoryName, categoryInfo.anyNewFeature);
			categoryButton:SetPoint("TOPLEFT", self.LeftSection, self.primaryCategoryPool.offsetX, self.primaryCategoryPool.leftListFromY - (index - 1) * Def.ButtonSize);
		end
	end

	function MainFrame:UpdateSettingsEntries()
		self.ModuleTab.ScrollView:CallObjectMethod("Entry", "UpdateState");
		if self.ChangelogTab.ScrollView then
			self.ChangelogTab.ScrollView:CallObjectMethod("Entry", "UpdateState");
			self.ChangelogTab.AutoShowToggle:UpdateState();
		end
	end
end



local function CreateUI()
	local pageHeight = Def.PageHeight;

	local scalerWidth = 1/ 0.85;
	local ratio_Center = 0.618;
	local sideSectionWidth = API.Round((pageHeight * scalerWidth) * (1 - ratio_Center));
	local centralSectionWidth = API.Round((pageHeight * scalerWidth) * ratio_Center);
	MainFrame:SetSize(2 * sideSectionWidth + centralSectionWidth, Def.PageHeight);
	MainFrame:ClearAllPoints();
	MainFrame:SetPoint("CENTER", UIParent, "CENTER", 0, 0);
	MainFrame:SetToplevel(true);
	MainFrame.FrameContainer:EnableMouse(true);
	MainFrame.FrameContainer:EnableMouseMotion(true);
	MainFrame.FrameContainer:SetScript("OnMouseWheel", function(self, delta)
	end);


	local baseFrameLevel = MainFrame:GetFrameLevel();

	local LeftSection = MainFrame.LeftSection;
	local CentralSection = MainFrame.CentralSection;
	local RightSection = MainFrame.RightSection;
	local Tab1 = MainFrame.ModuleTab;

	LeftSection:SetWidth(sideSectionWidth);
	RightSection:SetWidth(sideSectionWidth);


	--LeftSection
	do
		SearchBox = CreateSearchBox(Tab1);
		SearchBox:SetPoint("TOPLEFT", LeftSection, "TOPLEFT", Def.WidgetGap, -Def.WidgetGap);
		SearchBox:SetWidth(sideSectionWidth - Def.ButtonSize - 3 * Def.WidgetGap);


		FilterButton = CreateSquareButton(Tab1);
		FilterButton:SetPoint("LEFT", SearchBox, "RIGHT", Def.WidgetGap, 0);

		FilterButton.onClickFunc = function(self)
			addon.LandingPageUtil.DropdownMenu:ToggleMenu(self, MenuInfo.InfoGetter_ModuleFilter);
		end

		FilterButton.onMouseDownFunc = function(self)
			SetTexCoord(self.Texture, 320, 368, 16, 64);
		end

		FilterButton.onMouseUpFunc = function(self)
			SetTexCoord(self.Texture, 272, 320, 16, 64);
		end

		FilterButton:OnMouseUp();


		local leftListFromY = 2*Def.WidgetGap + Def.ButtonSize;

		local DivH = CreateDivider(Tab1, sideSectionWidth - 0.5*Def.WidgetGap);
		DivH:SetPoint("CENTER", LeftSection, "TOP", 0, -leftListFromY);


		leftListFromY = leftListFromY + Def.WidgetGap;
		local categoryButtonWidth = sideSectionWidth - 2*Def.WidgetGap;

		local function Category_Create()
			local obj = CreateCategoryButton(Tab1);
			obj:SetSize(categoryButtonWidth, Def.ButtonSize);
			MakeFadingObject(obj);
			obj:SetFadeInAlpha(1);
			obj:SetFadeOutAlpha(0.5);
			obj.Label:SetWidth(categoryButtonWidth - 2 * obj.labelOffset - 14);
			return obj
		end

		local function Category_Acquire(obj)
			obj:FadeIn(true);
			obj:ResetOffset();
		end

		MainFrame.primaryCategoryPool = addon.LandingPageUtil.CreateObjectPool(Category_Create, Category_Acquire);
		MainFrame.primaryCategoryPool.leftListFromY = -leftListFromY;
		MainFrame.primaryCategoryPool.offsetX = Def.WidgetGap;


		CategoryHighlight = CreateSelectionHighlight(Tab1);
		CategoryHighlight:SetSize(categoryButtonWidth, Def.ButtonSize);


		-- 6-piece Background
		local function CreatePiece(point, relativeTo, relativePoint, offsetX, offsetY, l, r, t, b)
			local tex = MainFrame.SideTab:CreateTexture(nil, "BORDER");
			tex:SetTexture(Def.TextureFile);
			tex:SetPoint(point, relativeTo, relativePoint, offsetX, offsetY);
			SetTexCoord(tex, l, r, t, b);
			DisableSharpening(tex);
			return tex
		end

		local r1 = CreatePiece("TOP", LeftSection, "TOPRIGHT", 0, 0,    280, 360, 176, 240);
		r1:SetSize(40, 32);
		local r3 = CreatePiece("BOTTOM", LeftSection, "BOTTOMRIGHT", 0, 0,    280, 360, 832, 896);
		r3:SetSize(40, 32);
		local r2 = CreatePiece("TOPLEFT", r1, "BOTTOMLEFT", 0, 0,    280, 360, 240, 832);
		r2:SetPoint("BOTTOMRIGHT", r3, "TOPRIGHT", 0, 0);

		local l1 = CreatePiece("TOPLEFT", LeftSection, "TOPLEFT", 0, 0,    0, 280, 176, 240);
		l1:SetPoint("BOTTOMRIGHT", r1, "BOTTOMLEFT", 0, 0);
		local l3 = CreatePiece("BOTTOMLEFT", LeftSection, "BOTTOMLEFT", 0, 0,    0, 280, 832, 896);
		l3:SetPoint("TOPRIGHT", r3, "TOPLEFT", 0, 0);
		local l2 = CreatePiece("TOPLEFT", l1, "BOTTOMLEFT", 0, 0,    0, 280, 240, 832);
		l2:SetPoint("BOTTOMRIGHT", l3, "TOPRIGHT", 0, 0);
	end


	do  --RightSection
		local previewSize = sideSectionWidth - 2*Def.WidgetGap;

		local preview = Tab1:CreateTexture(nil, "OVERLAY");
		MainFrame.FeaturePreview = preview;
		preview:SetSize(previewSize, previewSize);
		preview:SetPoint("TOP", RightSection, "TOP", 0, -Def.WidgetGap);

		local mask = Tab1:CreateMaskTexture(nil, "OVERLAY");
		mask:SetPoint("TOPLEFT", preview, "TOPLEFT", 0, 0);
		mask:SetPoint("BOTTOMRIGHT", preview, "BOTTOMRIGHT", 0, 0);
		mask:SetTexture("Interface/AddOns/Plumber/Art/ControlCenter/PreviewMask", "CLAMPTOBLACKADDITIVE", "CLAMPTOBLACKADDITIVE");
		preview:AddMaskTexture(mask);


		local description = Tab1:CreateFontString(nil, "OVERLAY", "GameTooltipText"); --GameFontNormal (ObjectiveFont), GameTooltipTextSmall
		MainFrame.FeatureDescription = description;
		SetTextColor(description, Def.TextColorReadable);
		description:SetJustifyH("LEFT");
		description:SetJustifyV("TOP");
		description:SetSpacing(4);
		local visualOffset = 2;
		description:SetPoint("TOPLEFT", preview, "BOTTOMLEFT", visualOffset, -Def.WidgetGap -visualOffset);
		description:SetPoint("BOTTOMRIGHT", RightSection, "BOTTOMRIGHT", -visualOffset -Def.WidgetGap, Def.WidgetGap);
		description:SetShadowColor(0, 0, 0);
		description:SetShadowOffset(1, -1);


		local rightPadding = 16;
		local FooterTexture = Tab1:CreateTexture(nil, "OVERLAY");
		MainFrame.FooterTexture = FooterTexture;
		FooterTexture:SetSize(previewSize - 2*rightPadding, (previewSize - 2*rightPadding) / 8);
		FooterTexture:SetPoint("BOTTOM", RightSection, "BOTTOM", 0, 0);
		FooterTexture:SetTexture("Interface/AddOns/Plumber/Art/ControlCenter/sc.png");
		FooterTexture:SetTexCoord(0, 1, 0.125, 0.25);
		FooterTexture:Hide();
	end


	do  --CentralSection
		local Background = CentralSection:CreateTexture(nil, "BACKGROUND");
		Background:SetTexture("Interface/AddOns/Plumber/Art/ControlCenter/SettingsPanelBackground");
		Background:SetPoint("TOPLEFT", CentralSection, "TOPLEFT", -8, 0);
		Background:SetPoint("BOTTOMRIGHT", MainFrame, "BOTTOMRIGHT", 0, 0);


		local ScrollBar = ControlCenter.CreateScrollBarWithDynamicSize(Tab1);
		ScrollBar:SetPoint("TOP", CentralSection, "TOPRIGHT", 0, -0.5*Def.WidgetGap)
		ScrollBar:SetPoint("BOTTOM", CentralSection, "BOTTOMRIGHT", 0, 0.5*Def.WidgetGap);
		ScrollBar:SetFrameLevel(20);
		MainFrame.ModuleTab.ScrollBar = ScrollBar;
		ScrollBar:UpdateThumbRange();


		local ScrollView = API.CreateScrollView(Tab1, ScrollBar);
		MainFrame.ModuleTab.ScrollView = ScrollView;
		ScrollBar.ScrollView = ScrollView;
		ScrollView:SetPoint("TOPLEFT", CentralSection, "TOPLEFT", 0, -2);
		ScrollView:SetPoint("BOTTOMRIGHT", CentralSection, "BOTTOMRIGHT", 0, 2);
		ScrollView:SetStepSize(Def.ButtonSize * 2);
		ScrollView:OnSizeChanged();
		ScrollView:EnableMouseBlocker(true);
		ScrollView:SetBottomOvershoot(Def.CategoryGap);
		ScrollView:SetAlwaysShowScrollBar(true);
		ScrollView:SetShowNoContentAlert(true);
		ScrollView:SetNoContentAlertText(CATALOG_SHOP_NO_SEARCH_RESULTS);


		local centerButtonWidth = API.Round(centralSectionWidth - 2*Def.ButtonSize);
		Def.centerButtonWidth = centerButtonWidth;


		local function EntryButton_Create()
			local obj = CreateSettingsEntry(ScrollView);
			obj:SetSize(centerButtonWidth, Def.ButtonSize);
			return obj
		end

		ScrollView:AddTemplate("Entry", EntryButton_Create);


		local function Header_Create()
			local obj = CreateSettingsHeader(ScrollView);
			obj:SetSize(centerButtonWidth, Def.ButtonSize);
			return obj
		end

		ScrollView:AddTemplate("Header", Header_Create);
	end


	local NineSlice = addon.LandingPageUtil.CreateExpansionThemeFrame(MainFrame.FrameContainer, 10);
	MainFrame.NineSlice = NineSlice;
	NineSlice:CoverParent(-24);
	NineSlice.Background:Hide();
	NineSlice:SetUsingParentLevel(false);
	NineSlice:SetFrameLevel(baseFrameLevel + 20);
	NineSlice:ShowCloseButton(true);
	NineSlice:SetCloseButtonOwner(MainFrame);


	Tab1:SetScript("OnShow", function()
		MainFrame:RefreshFeatureList();
	end);
end

function MainFrame:UpdateLayout()
	local frameWidth = math.floor(self:GetWidth() + 0.5);
	if frameWidth == self.frameWidth then
		return
	end
	self.frameWidth = frameWidth;

	self.ModuleTab.ScrollView:OnSizeChanged();
	self.ModuleTab.ScrollBar:OnSizeChanged();

	if self.ChangelogTab.ScrollView then
		self.ChangelogTab.ScrollView:OnSizeChanged();
		self.ChangelogTab.ScrollBar:OnSizeChanged();
	end
end


local CreateChangelogVersionButton;
do
	local VersionButtonMixin = {};

	function VersionButtonMixin:OnEnter()
		MainFrame:HighlightButton(self);
		self:UpdateVisual();
	end

	function VersionButtonMixin:OnLeave()
		MainFrame:HighlightButton();
		self:UpdateVisual();
	end

	function VersionButtonMixin:SetVersionID(versionID)
		self.versionID = versionID;
		local x, y, z = string.match(versionID, "(%d?%d)(%d%d)(%d%d)");
		x = tonumber(x);
		y = tonumber(y);
		z = tonumber(z);
		self.Label:SetText(string.format("%d.%d.%d", x, y, z));
	end

	function VersionButtonMixin:OnClick()
		MainFrame:ShowChangelog(self.versionID);
		addon.LandingPageUtil.PlayUISound("ScrollBarStep");
	end

	function VersionButtonMixin:OnMouseDown()
		self.Label:SetPoint("LEFT", self, "LEFT", self.labelOffset + 1, -1);
	end

	function VersionButtonMixin:OnMouseUp()
		self:ResetOffset();
	end

	function VersionButtonMixin:ResetOffset()
		self.Label:SetPoint("LEFT", self, "LEFT", self.labelOffset, 0);
	end

	function VersionButtonMixin:UpdateVisual()
		if self:IsMouseMotionFocus() then
			SetTextColor(self.Label, Def.TextColorHighlight);
		else
			if self.selected then
				SetTextColor(self.Label, Def.TextColorHighlight);
			else
				SetTextColor(self.Label, Def.TextColorNormal);
			end
		end
	end

	function CreateChangelogVersionButton(parent)
		local f = CreateFrame("Button", nil, parent);
		Mixin(f, VersionButtonMixin);
		f:SetSize(120, 26);
		f.labelOffset = 9;
		f.Label = f:CreateFontString(nil, "OVERLAY", "GameFontNormal");
		f.Label:SetJustifyH("LEFT");
		f.Label:SetPoint("LEFT", f, "LEFT", 9, 0);
		SetTextColor(f.Label, Def.TextColorNormal);

		f:SetScript("OnEnter", f.OnEnter);
		f:SetScript("OnLeave", f.OnLeave);
		f:SetScript("OnClick", f.OnClick);
		f:SetScript("OnMouseDown", f.OnMouseDown);
		f:SetScript("OnMouseUp", f.OnMouseUp);

		return f
	end
end


local InitChangelogTab;
do  --ChangelogTab
	local Formatter = {};
	Formatter.ChangelogTextWidth = 363;

	Formatter.TagFonts = {
		["h1"] = "ObjectiveTrackerFont16",  --PlumberFont_16
		["p"] = "GameFontNormal",   --GameFontNormal
	};

	function Formatter:GetTextHeight(fontTag, text, textWidthShrink)
		if not self.UtilityFontString then
			local UtilityFontString = MainFrame:CreateFontString(nil, "ARTWORK", "GameFontNormal");
			UtilityFontString:SetJustifyH("LEFT");
			UtilityFontString:SetPoint("TOP", UIParent, "BOTTOM", 0, -4);
			self.UtilityFontString = UtilityFontString;
		end

		self.UtilityFontString:SetSpacing(Def.ChangelogLineSpacing);
		self.UtilityFontString:SetSize(self.ChangelogTextWidth - (textWidthShrink or 0), 0);
		if fontTag ~= self.utilityFontTag then
			self.utilityFontTag = fontTag;
			self.UtilityFontString:SetFontObject(self.TagFonts[fontTag]);
		end
		self.UtilityFontString:SetText(text);
		local height = self.UtilityFontString:GetHeight();
		self.UtilityFontString:SetText(nil);
		return height
	end

	function Formatter:LoadUserFont()
		self.utilityFontTag = nil;
		local sizeIndex = PlumberDB and PlumberDB.SettingsPanel_ChangelogFontSize or 1;
		if sizeIndex == 2 then
			self.TagFonts["p"] = "ObjectiveTrackerFont14";
			self.ChangelogTextWidth = 423;
		else
			self.TagFonts["p"] = "GameFontNormal";
			self.ChangelogTextWidth = 363;
		end
	end

	function InitChangelogTab()
		local LeftSection = MainFrame.LeftSection;
		local CentralSection = MainFrame.CentralSection;
		local Tab2 = MainFrame.ChangelogTab;


		local scrollBarOffsetX = 12;
		local ScrollBar = ControlCenter.CreateScrollBarWithDynamicSize(Tab2);
		ScrollBar:SetPoint("TOP", MainFrame, "TOPRIGHT", -scrollBarOffsetX, -32);
		ScrollBar:SetPoint("BOTTOM", MainFrame, "BOTTOMRIGHT", -scrollBarOffsetX, 0.5*Def.WidgetGap);
		ScrollBar:SetFrameLevel(20);
		Tab2.ScrollBar = ScrollBar;
		ScrollBar:UpdateThumbRange();


		local ScrollView = API.CreateScrollView(Tab2, ScrollBar);
		Tab2.ScrollView = ScrollView;
		ScrollBar.ScrollView = ScrollView;
		ScrollView:SetPoint("TOPLEFT", CentralSection, "TOPLEFT", 0, -2);
		ScrollView:SetPoint("BOTTOMRIGHT", MainFrame, "BOTTOMRIGHT", 0, 2);
		ScrollView:SetStepSize(Def.ButtonSize * 2);
		ScrollView:OnSizeChanged();
		ScrollView:EnableMouseBlocker(true);
		ScrollView:SetBottomOvershoot(Def.CategoryGap);
		ScrollView:SetAlwaysShowScrollBar(false);
		ScrollView.renderAllObjects = true;     --debug


		local function CreateFontString()
			local obj = ScrollView:CreateFontString(nil, "OVERLAY", "GameFontNormal");
			obj:SetSpacing(Def.ChangelogLineSpacing);
			obj:SetJustifyH("LEFT")
			return obj
		end

		local function RemoveFontString(obj)
			obj:SetText(nil);
			obj:Hide();
			obj:ClearAllPoints();
		end

		local function OnAcquireFontString(obj)
			obj:SetSpacing(Def.ChangelogLineSpacing);
		end

		ScrollView:AddTemplate("FontString", CreateFontString, RemoveFontString, OnAcquireFontString);


		local function EntryButton_Create()
			local obj = CreateSettingsEntry(ScrollView);
			obj:SetSize(Def.centerButtonWidth + 6, Def.ButtonSize);
			obj.isChangelogButton = true;
			return obj
		end

		ScrollView:AddTemplate("Entry", EntryButton_Create);


		local function CreateTextureObject()
			local texture = ScrollView:CreateTexture(nil, "OVERLAY");
			texture:SetTexture(Def.TextureFile);
			texture:SetSize(8, 8);
			return texture
		end

		local function RemoveTextureObject(obj)
			obj:ClearAllPoints();
			obj:Hide();
			obj:SetTexture(nil);
			DisableSharpening(obj, false);
		end

		ScrollView:AddTemplate("Texture", CreateTextureObject, RemoveTextureObject);


		local sideSectionWidth = LeftSection:GetWidth();
		local widgetWidth = sideSectionWidth - 2*Def.WidgetGap;


		local MenuButton = CreateSquareButton(Tab2);
		MenuButton:SetPoint("TOPRIGHT", LeftSection, "TOPRIGHT", -Def.WidgetGap, -Def.WidgetGap);

		MenuButton.onClickFunc = function(self)
			addon.LandingPageUtil.DropdownMenu:ToggleMenu(self, MenuInfo.InfoGetter_ChangelogMenu);
		end

		MenuButton.onMouseDownFunc = function(self)
			SetTexCoord(self.Texture, 912, 960, 176, 224);
		end

		MenuButton.onMouseUpFunc = function(self)
			SetTexCoord(self.Texture, 864, 912, 176, 224);
		end

		MenuButton:OnMouseUp();


		local DivBottom = CreateDivider(Tab2, sideSectionWidth - 0.5*Def.WidgetGap);
		DivBottom:SetPoint("CENTER", LeftSection, "BOTTOM", 0, 2*Def.WidgetGap + Def.ButtonSize);

		local AutoShowToggle = CreateSettingsEntry(Tab2);
		Tab2.AutoShowToggle = AutoShowToggle;
		AutoShowToggle:SetSize(widgetWidth, Def.ButtonSize);
		AutoShowToggle:SetPoint("BOTTOM", LeftSection, "BOTTOM", 0, Def.WidgetGap);
		AutoShowToggle.isChangelogButton = true;

		local AutoShowToggleData = {
			name = L["Option AutoShowChangelog"],
			dbKey = "SettingsPanel_AutoShowChangelog",
			toggleFunc = function() end,
		};

		AutoShowToggle:SetData(AutoShowToggleData);

		AutoShowToggle:HookScript("OnEnter", function(self)
			local tooltip = GameTooltip;
			tooltip:SetOwner(self, "ANCHOR_RIGHT");
			tooltip:SetText(L["Option AutoShowChangelog"], 1, 1, 1);
			tooltip:AddLine(L["Option AutoShowChangelog Tooltip"], 1, 0.82, 0, true);
			tooltip:Show();
		end);

		AutoShowToggle:HookScript("OnLeave", function(self)
			GameTooltip:Hide();
		end);


		local VersionTitle = Tab2:CreateFontString(nil, "OVERLAY", "GameFontNormal");
		VersionTitle:SetJustifyH("LEFT");
		VersionTitle:SetPoint("LEFT", LeftSection, "TOPLEFT", Def.WidgetGap + 9 + 2, -Def.WidgetGap - 0.5 * Def.ButtonSize);
		SetTextColor(VersionTitle, Def.TextColorNonInteractable);
		VersionTitle:SetText(L["Version"].." "..addon.VERSION_TEXT);

		local DivH = CreateDivider(Tab2, sideSectionWidth - 0.5*Def.WidgetGap);
		DivH:SetPoint("CENTER", LeftSection, "TOP", 0, -Def.ButtonSize -2*Def.WidgetGap);

		local function VerisonButton_Create()
			local obj = CreateChangelogVersionButton(Tab2);
			obj:SetSize(widgetWidth, Def.ButtonSize);
			obj.Label:SetWidth(widgetWidth - 2 * obj.labelOffset);
			return obj
		end

		Tab2.VersionButtonPool = addon.LandingPageUtil.CreateObjectPool(VerisonButton_Create);


		MainFrame:ShowLatestChangelog();
	end


	function MainFrame:ShowChangelog(versionID)
		--Format Changelog
		local changelog = ControlCenter.changelogs[versionID];
		if not changelog then return end;

		Formatter:LoadUserFont();
		self.currentVersionID = versionID;


		if not self.redactorPool then
			local function Redactor_Create()
				local f = addon.CreateTextRedactor(self.ChangelogTab.ScrollView);
				f:SetColor(76/255, 69/255, 65/255);
				return f
			end
			self.redactorPool = addon.LandingPageUtil.CreateObjectPool(Redactor_Create);
		end
		self.redactorPool:ReleaseAll();


		local top, bottom;
		local n = 0;
		local objectWidth = Formatter.ChangelogTextWidth;
		local fromOffsetY = 1.5 * Def.ButtonSize;
		local leftOffset = 1.5 * Def.ButtonSize;
		local offsetY = fromOffsetY;
		local content = {};
		local objectHeight;
		local postfixNewFeature = " ("..L["New Feature Abbr"]..")";

		for i, info in ipairs(changelog) do
			top = offsetY;

			local redacted = info.redacted;

			if info.type == "tocVersionCheck" then
				if not addon.IsToCVersionEqualOrNewerThan(info.minimumTocVersion) then
					if info.breakpoint then
						break
					else
						local text = "|cffd4641c"..L["Changelog Wrong Game Version"].."|r";
						objectHeight = Formatter:GetTextHeight(info.type, text);
						bottom = offsetY + objectHeight + Def.ChangelogParagraphSpacing + Def.ChangelogLineBreakHeight;
						n = n + 1;
						content[n] = {
							dataIndex = n,
							templateKey = "FontString",
							top = top,
							bottom = bottom,
							point = "TOPLEFT",
							relativePoint = "TOPLEFT",
							offsetX = leftOffset,
							setupFunc = function(obj)
								obj:SetWidth(objectWidth);
								obj:SetFontObject(Formatter.TagFonts["p"]);
								obj:SetText(text);
							end;
						};
					end
				end
			end

			local extraLeftOffset = 0;

			if info.type == "h1" or info.type == "p" then
				local text = info.text;
				if info.isNewFeature then
					text = text .. postfixNewFeature;
				end
				local textWidthShrink;
				if info.bullet then
					if info.bullet == 2 then
						textWidthShrink = Def.ChangelogIndent2;
						extraLeftOffset = Def.ChangelogIndent2;
					else
						textWidthShrink = Def.ChangelogIndent;
						extraLeftOffset = Def.ChangelogIndent;
					end
				else
					textWidthShrink = 0;
				end
				local textWidth = objectWidth - textWidthShrink;
				objectHeight = Formatter:GetTextHeight(info.type, text, textWidthShrink);
				bottom = offsetY + objectHeight;
				if not (changelog[i + 1] and changelog[i + 1].type == "Checkbox") then
					bottom = bottom + Def.ChangelogParagraphSpacing;
				end

				n = n + 1;
				content[n] = {
					dataIndex = n,
					templateKey = "FontString",
					top = top,
					bottom = bottom,
					point = "TOPLEFT",
					relativePoint = "TOPLEFT",
					setupFunc = function(obj)
						obj:SetWidth(textWidth);
						obj:SetFontObject(Formatter.TagFonts[info.type]);
						obj:SetText(text);
						SetTextColor(obj, Def.TextColorReadable);

						if redacted then
							local redactor = self.redactorPool:Acquire();
							local fontObject = Formatter.TagFonts[info.type];
							local _, fontHeight = _G[fontObject]:GetFont();
							redactor:RedactFontString(obj, fontHeight, text);
						end
					end;
				};

				if info.type == "h1" then
					content[n].offsetX = leftOffset;

					--Add Keywords
					if info.dbKey then
						local _text = ControlCenter:GetModuleCategoryName(info.dbKey);
						if _text then
							_text = L["Category Colon"].._text;
							objectHeight = Formatter:GetTextHeight(info.type, _text);
							top = bottom + Def.ChangelogLineSpacing;
							bottom = top + objectHeight;
							n = n + 1;
							content[n] = {
								dataIndex = n,
								templateKey = "FontString",
								setupFunc = function(obj)
									obj:SetFontObject(Formatter.TagFonts["p"]);
									obj:SetText(_text);
									SetTextColor(obj, Def.TextColorNonInteractable);

									if redacted then
										local redactor = self.redactorPool:Acquire();
										local fontObject = Formatter.TagFonts["p"];
										local _, fontHeight = _G[fontObject]:GetFont();
										redactor:RedactFontString(obj, fontHeight, _text);
									end
								end,
								top = top,
								bottom = bottom,
								point = "TOPLEFT",
								relativePoint = "TOPLEFT",
								offsetX = leftOffset,
							};
							top = bottom;
						end
					end
				else
					content[n].offsetX = leftOffset + extraLeftOffset;
					if info.bullet then
						n = n + 1;
						content[n] = {
							dataIndex = n,
							templateKey = "Texture",
							top = top + 6,
							bottom = bottom,
							point = "LEFT",
							relativePoint = "TOPLEFT",
							offsetX = leftOffset + extraLeftOffset - 22,
							setupFunc = function(obj)
								obj:SetSize(20, 20);
								obj:SetTexture(Def.TextureFile);
								SetTexCoord(obj, 904, 944, 80, 120); --864, 904, 80, 120
								local color = Def.TextColorReadable;
								local a = info.bullet == 2 and 0.6 or 1;
								obj:SetVertexColor(a * color[1], a * color[2], a * color[3]);
							end;
						};
					end
				end

			elseif info.type == "Checkbox" then
				if ControlCenter:GetModule(info.dbKey) then
					local visualOffset = 12;
					objectHeight = Def.ButtonSize;
					top = top + visualOffset - 4;
					bottom = top + objectHeight + visualOffset;
					n = n + 1;
					content[n] = {
						dataIndex = n,
						templateKey = "Entry",
						setupFunc = function(obj)
							local data = ControlCenter:GetModule(info.dbKey);
							obj.Label:SetFontObject(Formatter.TagFonts["p"]);
							obj:SetData(data);
							obj:SetWidth(objectWidth);
						end,
						top = top,
						bottom = bottom,
						point = "TOPLEFT",
						relativePoint = "TOPLEFT",
						offsetX = leftOffset - 6,
					};
				else
					API.PrintMessage("Deprecated Module: "..(L["ModuleName "..info.dbKey] or info.dbKey));
				end

			elseif info.type == "br" then
				bottom = bottom + Def.ChangelogLineBreakHeight;

			elseif info.type == "img" then
				if info.dbKey or info.fileName then
					local file;
					if info.dbKey then
						file = "Interface/AddOns/Plumber/Art/ControlCenter/Preview_"..info.dbKey;
					else
						file = "Interface/AddOns/Plumber/Art/ControlCenter/"..info.fileName;
					end

					local width, height;
					if info.large then
						width = Def.ChangelogImageSizeLarge;
						height = Def.ChangelogImageSizeLarge;
					else
						width = Def.ChangelogImageSize;
						height = Def.ChangelogImageSize;
					end

					n = n + 1;
					bottom = top + height + Def.ChangelogParagraphSpacing;
					content[n] = {
						dataIndex = n,
						templateKey = "Texture",
						top = top,
						bottom = bottom,
						point = "TOPLEFT",
						relativePoint = "TOPLEFT",
						offsetX = leftOffset,
						setupFunc = function(obj)
							obj:SetSize(width, height);
							obj:SetTexCoord(0, 1, 0, 1);
							obj:SetVertexColor(1, 1, 1);
							obj:SetTexture(file);
						end;
					};
				end

			elseif info.type == "date" then
				if info.versionText and info.timestamp then
					local text = string.format("%s %s   %s", GAME_VERSION_LABEL, info.versionText, API.SecondsToDate(info.timestamp));
					objectHeight = Formatter:GetTextHeight("p", text);
					bottom = top + objectHeight;
					n = n + 1;
					content[n] = {
						dataIndex = n,
						templateKey = "FontString",
						top = top,
						bottom = bottom,
						point = "TOPLEFT",
						relativePoint = "TOPLEFT",
						offsetX = leftOffset,
						setupFunc = function(obj)
							obj:SetWidth(objectWidth);
							obj:SetFontObject(Formatter.TagFonts["p"]);
							obj:SetText(text);
							SetTextColor(obj, Def.TextColorNonInteractable);
						end;
					};

					--HorizontalLine
					top = bottom + Def.ChangelogLineSpacing;
					bottom = top + Def.ChangelogParagraphSpacing + 2*Def.ChangelogLineSpacing;
					n = n + 1;
					content[n] = {
						dataIndex = n,
						templateKey = "Texture",
						top = top,
						bottom = bottom,
						point = "TOPLEFT",
						relativePoint = "TOPLEFT",
						offsetX = leftOffset - 1,
						setupFunc = function(obj)
							obj:SetSize(objectWidth + 32, 8);
							SetTexCoord(obj, 424, 864, 132, 148)
							obj:SetVertexColor(1, 1, 1);
							obj:SetTexture(Def.TextureFile, nil, nil, "TRILINEAR");
							DisableSharpening(obj, true);
						end;
					};
				end
			end

			offsetY = bottom;
		end

		self.ChangelogTab.ScrollView:SetContent(content);

		for _, button in self.ChangelogTab.VersionButtonPool:EnumerateActive() do
			button.selected = button.versionID == versionID;
			button:UpdateVisual();
		end
	end

	function MainFrame:BuildChangelogList()
		if not self.changelogList then
			local tbl = {};
			local n = 0;
			for versionID, changelog in pairs(ControlCenter.changelogs) do
				n = n + 1;
				tbl[n] = {
					versionID = versionID,
					changelog = changelog,
				};
			end
			table.sort(tbl, function(a, b)
				return a.versionID > b.versionID
			end);
			self.changelogList = tbl;
			self.latestVersionID = tbl[1].versionID;

			local fromOffsetY = - Def.ButtonSize - 3*Def.WidgetGap;
			local pool = self.ChangelogTab.VersionButtonPool;
			pool:ReleaseAll();
			for index, v in ipairs(tbl) do
				local button = pool:Acquire();
				button:SetVersionID(v.versionID);
				button:SetPoint("TOP", self.LeftSection, "TOP", 0, fromOffsetY - (index - 1) * Def.ButtonSize);
			end
		end
	end

	function MainFrame:ShowLatestChangelog()
		self:BuildChangelogList();
		self:ShowChangelog(self.latestVersionID);
	end
end


do  --Tab Buttons
	local TabInfo = {
		{name = L["Modules"], tabKey = "ModuleTab"},
		{name = L["Release Notes"], tabKey = "ChangelogTab", initFunc = InitChangelogTab},
	};


	local TabButtonMixin = {};

	function TabButtonMixin:OnEnter()
		self:UpdateVisual();
	end

	function TabButtonMixin:OnLeave()
		self:UpdateVisual();
	end

	function TabButtonMixin:OnClick()
		MainFrame:ShowTab(self.tabKey);
	end

	function TabButtonMixin:OnMouseDown()
		if not self.selected then
			self.Name:SetPoint("CENTER", self, "CENTER", 1, -1);
		end
	end

	function TabButtonMixin:OnMouseUp()
		self.Name:SetPoint("CENTER", self, "CENTER", 0, 0);
	end

	function TabButtonMixin:UpdateVisual()
		if self.selected then
			SetTextColor(self.Name, Def.TextColorHighlight);
			SetTexCoord(self.Left, 600, 648, 176, 272);
			SetTexCoord(self.Center, 648, 760, 176, 272);
			SetTexCoord(self.Right, 760, 808, 176, 272);
		else
			if self:IsMouseMotionFocus() then
				SetTextColor(self.Name, Def.TextColorHighlight);
			else
				SetTextColor(self.Name, Def.TextColorNormal);
			end
			SetTexCoord(self.Left, 392, 440, 176, 272);
			SetTexCoord(self.Center, 440, 552, 176, 272);
			SetTexCoord(self.Right, 552, 600, 176, 272);
		end
	end

	function TabButtonMixin:UpdateState()
		self.selected = MainFrame[self.tabKey] and MainFrame[self.tabKey]:IsShown();
		self:UpdateVisual();
	end

	function TabButtonMixin:SetTabInfo(info)
		self.Name:SetText(info.name);
		self.tabKey = info.tabKey;
		local buttonWidth = API.Round(math.max(18*2 + self.Name:GetWrappedWidth(), 2.5*Def.TabButtonHeight));
		self:SetSize(buttonWidth, Def.TabButtonHeight);
		return buttonWidth
	end


	local function CreateTabButton(parent)
		local f = CreateFrame("Button", nil, parent, "PlumberTabButtonTemplate");
		Mixin(f, TabButtonMixin);
		SkinObjects(f, Def.TextureFile);
		SetTexCoord(f.Left, 392, 440, 176, 272);
		SetTexCoord(f.Center, 440, 552, 176, 272);
		SetTexCoord(f.Right, 552, 600, 176, 272);
		f:UpdateVisual();

		f:SetScript("OnClick", f.OnClick);
		f:SetScript("OnEnter", f.OnEnter);
		f:SetScript("OnLeave", f.OnLeave);
		f:SetScript("OnMouseDown", f.OnMouseDown);
		f:SetScript("OnMouseUp", f.OnMouseUp);

		return f
	end


	function MainFrame:UpdateTabButtons()
		if not self.tabButtonPool then
			local function TabButton_Create()
				local obj = CreateTabButton(self.TabButtonContainer);
				return obj
			end
			self.tabButtonPool = addon.LandingPageUtil.CreateObjectPool(TabButton_Create);

			local offsetX = Def.WidgetGap;
			local gap = Def.WidgetGap/2;

			for k, v in ipairs(TabInfo) do
				local button = self.tabButtonPool:Acquire();
				button:SetPoint("TOPLEFT", self, "BOTTOMLEFT", offsetX, 0);
				local width = button:SetTabInfo(v);
				button.index = k;
				offsetX = offsetX + width + gap;
			end

			self.TabButtonContainer:SetPoint("TOPLEFT", self, "BOTTOMLEFT", 0, 0);
			self.TabButtonContainer:SetSize(offsetX, Def.TabButtonHeight);
		end

		self.tabButtonPool:CallMethod("UpdateState");
	end

	function MainFrame:ShowTab(tabKey)
		if not tabKey then
			tabKey = "ModuleTab";
		end

		if tabKey == self.currentTabKey then return end;
		self.currentTabKey = tabKey;

		for i, info in ipairs(TabInfo) do
			if info.tabKey == tabKey then
				if info.initFunc then
					local func = info.initFunc;
					info.initFunc = nil;
					func(self);
				end
				self[info.tabKey]:Show();
			else
				self[info.tabKey]:Hide();
			end
		end

		self:UpdateTabButtons();

		addon.LandingPageUtil.PlayUISound("SwitchTab");
	end
end


do  --MainFrame Minimize UI while certain module options are shown
	function MainFrame:OnShow()
		addon.CallbackRegistry:Register("SettingsPanel.ModuleOptionClosed", self.Maximize, self);
		addon.CallbackRegistry:Trigger("SettingsPanel.Show");
	end
	MainFrame:SetScript("OnShow", MainFrame.OnShow);

	function MainFrame:OnHide()
		addon.CallbackRegistry:UnregisterCallbackOwner("SettingsPanel.ModuleOptionClosed", self);
		if self.minimized then
			self:Maximize();
		end
		addon.CallbackRegistry:Trigger("SettingsPanel.Hide");
	end
	MainFrame:SetScript("OnHide", MainFrame.OnHide);

	--[[    --Not applied. Anim Transition is distracting.
	local easingFunc = addon.EasingFunctions.outQuint;

	local function MinimizedFrame_OnUpdate(self, elapsed)
		self.alpha = self.alpha + 8 * elapsed;
		if self.alpha >= 1 then
			self.alpha = 1;
		end
		self.t = self.t + elapsed;
		local width = easingFunc(self.t, self.fromWidth, self.toWidth, self.duration);
		local height = easingFunc(self.t, self.fromHeight, self.toHeight, self.duration);
		if self.t >= self.duration then
			width = self.toWidth;
			height = self.toHeight;
			self:SetScript("OnUpdate", nil);
			self.alpha = 1;
			self.t = 0;
		end
		self:SetSize(width, height);
		self:SetAlpha(self.alpha);
		MainFrame:SetAlpha(1 - self.alpha);
	end
	--]]

	function MainFrame:Minimize()
		if (self.mode == "blizzard") or self.minimized then return end;
		self.minimized = true;
		self.FrameContainer:Hide();
		self:InitMinimizedFrame();
		self.MinimizedFrame:Show();
	end

	function MainFrame:Maximize()
		if not self.minimized then return end;
		self.minimized = nil;
		self.FrameContainer:Show();
		if self.MinimizedFrame then
			self.MinimizedFrame:Hide();
		end
	end

	function MainFrame:InitMinimizedFrame()
		if self.MinimizedFrame then return end;

		local f = CreateFrame("Frame", nil, self);
		f:SetIgnoreParentAlpha(true);
		f:SetFrameLevel(self:GetFrameLevel() + 50);
		self.MinimizedFrame = f;

		f.toWidth = 256;
		f.toHeight = 64.01;
		f.duration = 0.5;

		f:SetPoint("TOP", self, "TOP", 0, 0);
		f:SetWidth(f.toWidth);
		f:SetHeight(f.toHeight);

		local NineSlice = addon.CreateNineSliceFrame(f, "ExpansionBorder_TWW");
		NineSlice:SetCornerSize(32, 32);
		NineSlice:SetDisableSharpening(false);
		local offset = 8;
		NineSlice:ClearAllPoints();
		NineSlice:SetPoint("TOPLEFT", f, "TOPLEFT", offset, -offset);
		NineSlice:SetPoint("BOTTOMRIGHT", f, "BOTTOMRIGHT", -offset, offset);

		local Background = NineSlice:CreateTexture(nil, "BACKGROUND");
		NineSlice.Background = Background;
		Background:SetPoint("TOPLEFT", NineSlice.pieces[1], "TOPLEFT", 4, -4);
		Background:SetPoint("BOTTOMRIGHT", NineSlice.pieces[9], "BOTTOMRIGHT", -4, 4);
		Background:SetColorTexture(0.067, 0.040, 0.024, 0.8);

		NineSlice:SetTexture(Def.TextureFile);
		SetTexCoord(NineSlice.pieces[1], 512, 576, 832, 896);
		SetTexCoord(NineSlice.pieces[2], 576, 960, 832, 896);
		SetTexCoord(NineSlice.pieces[3], 960, 1024, 832, 896);
		SetTexCoord(NineSlice.pieces[4], 512, 576, 896, 960);
		SetTexCoord(NineSlice.pieces[5], 576, 960, 896, 960);
		SetTexCoord(NineSlice.pieces[6], 960, 1024, 896, 960);
		SetTexCoord(NineSlice.pieces[7], 512, 576, 960, 1024);
		SetTexCoord(NineSlice.pieces[8], 576, 960, 960, 1024);
		SetTexCoord(NineSlice.pieces[9], 960, 1024, 960, 1024);
		NineSlice:SetUsingParentLevel(true);

		local ReturnButton = addon.LandingPageUtil.CreateRedButton(f);
		ReturnButton:SetPoint("CENTER", f, "CENTER", 0, 0);
		ReturnButton:SetButtonText(L["Return To Module List"]);
		ReturnButton:SetWidth(f.toWidth - 30);
		ReturnButton:SetScript("OnClick", function()
			addon.CloseAllModuleOptions();
			MainFrame:Maximize();
		end);
	end
end


function MainFrame:ShowUI(mode)
	if CreateUI then
		CreateUI();
		CreateUI = nil;

		ControlCenter:UpdateCurrentSortMethod();
		self:RefreshCategoryList();
	end

	mode = mode or "standalone";
	self.mode = mode;
	self.NineSlice:ShowCloseButton(mode ~= "blizzard");
	self:UpdateLayout();
	self:UpdateTabButtons();
	self:Show();
end

function MainFrame:HandleEscape()
	local reshowCloseDummy;

	if not UIParent:IsVisible() then
		self:Hide();
	elseif addon.CloseAllModuleOptions() then
		reshowCloseDummy = true;
	else
		self:Hide();
	end

	return reshowCloseDummy
end
