--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Libs/AceGUI-3.0/widgets/AceGUIContainer-TreeGroup.lua	Fri Jun 05 11:05:15 2015 -0700
@@ -0,0 +1,707 @@
+--[[-----------------------------------------------------------------------------
+TreeGroup Container
+Container that uses a tree control to switch between groups.
+-------------------------------------------------------------------------------]]
+local Type, Version = "TreeGroup", 37
+local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
+if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end
+
+-- Lua APIs
+local next, pairs, ipairs, assert, type = next, pairs, ipairs, assert, type
+local math_min, math_max, floor = math.min, math.max, floor
+local select, tremove, unpack, tconcat = select, table.remove, unpack, table.concat
+
+-- WoW APIs
+local CreateFrame, UIParent = CreateFrame, UIParent
+
+-- Global vars/functions that we don't upvalue since they might get hooked, or upgraded
+-- List them here for Mikk's FindGlobals script
+-- GLOBALS: GameTooltip, FONT_COLOR_CODE_CLOSE
+
+-- Recycling functions
+local new, del
+do
+	local pool = setmetatable({},{__mode='k'})
+	function new()
+		local t = next(pool)
+		if t then
+			pool[t] = nil
+			return t
+		else
+			return {}
+		end
+	end
+	function del(t)
+		for k in pairs(t) do
+			t[k] = nil
+		end	
+		pool[t] = true
+	end
+end
+
+local DEFAULT_TREE_WIDTH = 175
+local DEFAULT_TREE_SIZABLE = true
+
+--[[-----------------------------------------------------------------------------
+Support functions
+-------------------------------------------------------------------------------]]
+local function GetButtonUniqueValue(line)
+	local parent = line.parent
+	if parent and parent.value then
+		return GetButtonUniqueValue(parent).."\001"..line.value
+	else
+		return line.value
+	end
+end
+
+local function UpdateButton(button, treeline, selected, canExpand, isExpanded)
+	local self = button.obj
+	local toggle = button.toggle
+	local frame = self.frame
+	local text = treeline.text or ""
+	local icon = treeline.icon
+	local iconCoords = treeline.iconCoords
+	local level = treeline.level
+	local value = treeline.value
+	local uniquevalue = treeline.uniquevalue
+	local disabled = treeline.disabled
+	
+	button.treeline = treeline
+	button.value = value
+	button.uniquevalue = uniquevalue
+	if selected then
+		button:LockHighlight()
+		button.selected = true
+	else
+		button:UnlockHighlight()
+		button.selected = false
+	end
+	local normalTexture = button:GetNormalTexture()
+	local line = button.line
+	button.level = level
+	if ( level == 1 ) then
+		button:SetNormalFontObject("GameFontNormal")
+		button:SetHighlightFontObject("GameFontHighlight")
+		button.text:SetPoint("LEFT", (icon and 16 or 0) + 8, 2)
+	else
+		button:SetNormalFontObject("GameFontHighlightSmall")
+		button:SetHighlightFontObject("GameFontHighlightSmall")
+		button.text:SetPoint("LEFT", (icon and 16 or 0) + 8 * level, 2)
+	end
+	
+	if disabled then
+		button:EnableMouse(false)
+		button.text:SetText("|cff808080"..text..FONT_COLOR_CODE_CLOSE)
+	else
+		button.text:SetText(text)
+		button:EnableMouse(true)
+	end
+	
+	if icon then
+		button.icon:SetTexture(icon)
+		button.icon:SetPoint("LEFT", 8 * level, (level == 1) and 0 or 1)
+	else
+		button.icon:SetTexture(nil)
+	end
+	
+	if iconCoords then
+		button.icon:SetTexCoord(unpack(iconCoords))
+	else
+		button.icon:SetTexCoord(0, 1, 0, 1)
+	end
+	
+	if canExpand then
+		if not isExpanded then
+			toggle:SetNormalTexture("Interface\\Buttons\\UI-PlusButton-UP")
+			toggle:SetPushedTexture("Interface\\Buttons\\UI-PlusButton-DOWN")
+		else
+			toggle:SetNormalTexture("Interface\\Buttons\\UI-MinusButton-UP")
+			toggle:SetPushedTexture("Interface\\Buttons\\UI-MinusButton-DOWN")
+		end
+		toggle:Show()
+	else
+		toggle:Hide()
+	end
+end
+
+local function ShouldDisplayLevel(tree)
+	local result = false
+	for k, v in ipairs(tree) do
+		if v.children == nil and v.visible ~= false then
+			result = true
+		elseif v.children then
+			result = result or ShouldDisplayLevel(v.children)
+		end
+		if result then return result end
+	end
+	return false
+end
+
+local function addLine(self, v, tree, level, parent)
+	local line = new()
+	line.value = v.value
+	line.text = v.text
+	line.icon = v.icon
+	line.iconCoords = v.iconCoords
+	line.disabled = v.disabled
+	line.tree = tree
+	line.level = level
+	line.parent = parent
+	line.visible = v.visible
+	line.uniquevalue = GetButtonUniqueValue(line)
+	if v.children then
+		line.hasChildren = true
+	else
+		line.hasChildren = nil
+	end
+	self.lines[#self.lines+1] = line
+	return line
+end
+
+--fire an update after one frame to catch the treeframes height
+local function FirstFrameUpdate(frame)
+	local self = frame.obj
+	frame:SetScript("OnUpdate", nil)
+	self:RefreshTree()
+end
+
+local function BuildUniqueValue(...)
+	local n = select('#', ...)
+	if n == 1 then
+		return ...
+	else
+		return (...).."\001"..BuildUniqueValue(select(2,...))
+	end
+end
+
+--[[-----------------------------------------------------------------------------
+Scripts
+-------------------------------------------------------------------------------]]
+local function Expand_OnClick(frame)
+	local button = frame.button
+	local self = button.obj
+	local status = (self.status or self.localstatus).groups
+	status[button.uniquevalue] = not status[button.uniquevalue]
+	self:RefreshTree()
+end
+
+local function Button_OnClick(frame)
+	local self = frame.obj
+	self:Fire("OnClick", frame.uniquevalue, frame.selected)
+	if not frame.selected then
+		self:SetSelected(frame.uniquevalue)
+		frame.selected = true
+		frame:LockHighlight()
+		self:RefreshTree()
+	end
+	AceGUI:ClearFocus()
+end
+
+local function Button_OnDoubleClick(button)
+	local self = button.obj
+	local status = self.status or self.localstatus
+	local status = (self.status or self.localstatus).groups
+	status[button.uniquevalue] = not status[button.uniquevalue]
+	self:RefreshTree()
+end
+
+local function Button_OnEnter(frame)
+	local self = frame.obj
+	self:Fire("OnButtonEnter", frame.uniquevalue, frame)
+
+	if self.enabletooltips then
+		GameTooltip:SetOwner(frame, "ANCHOR_NONE")
+		GameTooltip:SetPoint("LEFT",frame,"RIGHT")
+		GameTooltip:SetText(frame.text:GetText() or "", 1, .82, 0, true)
+
+		GameTooltip:Show()
+	end
+end
+
+local function Button_OnLeave(frame)
+	local self = frame.obj
+	self:Fire("OnButtonLeave", frame.uniquevalue, frame)
+
+	if self.enabletooltips then
+		GameTooltip:Hide()
+	end
+end
+
+local function OnScrollValueChanged(frame, value)
+	if frame.obj.noupdate then return end
+	local self = frame.obj
+	local status = self.status or self.localstatus
+	status.scrollvalue = floor(value + 0.5)
+	self:RefreshTree()
+	AceGUI:ClearFocus()
+end
+
+local function Tree_OnSizeChanged(frame)
+	frame.obj:RefreshTree()
+end
+
+local function Tree_OnMouseWheel(frame, delta)
+	local self = frame.obj
+	if self.showscroll then
+		local scrollbar = self.scrollbar
+		local min, max = scrollbar:GetMinMaxValues()
+		local value = scrollbar:GetValue()
+		local newvalue = math_min(max,math_max(min,value - delta))
+		if value ~= newvalue then
+			scrollbar:SetValue(newvalue)
+		end
+	end
+end
+
+local function Dragger_OnLeave(frame)
+	frame:SetBackdropColor(1, 1, 1, 0)
+end
+
+local function Dragger_OnEnter(frame)
+	frame:SetBackdropColor(1, 1, 1, 0.8)
+end
+
+local function Dragger_OnMouseDown(frame)
+	local treeframe = frame:GetParent()
+	treeframe:StartSizing("RIGHT")
+end
+
+local function Dragger_OnMouseUp(frame)
+	local treeframe = frame:GetParent()
+	local self = treeframe.obj
+	local frame = treeframe:GetParent()
+	treeframe:StopMovingOrSizing()
+	--treeframe:SetScript("OnUpdate", nil)
+	treeframe:SetUserPlaced(false)
+	--Without this :GetHeight will get stuck on the current height, causing the tree contents to not resize
+	treeframe:SetHeight(0)
+	treeframe:SetPoint("TOPLEFT", frame, "TOPLEFT",0,0)
+	treeframe:SetPoint("BOTTOMLEFT", frame, "BOTTOMLEFT",0,0)
+	
+	local status = self.status or self.localstatus
+	status.treewidth = treeframe:GetWidth()
+	
+	treeframe.obj:Fire("OnTreeResize",treeframe:GetWidth())
+	-- recalculate the content width
+	treeframe.obj:OnWidthSet(status.fullwidth)
+	-- update the layout of the content
+	treeframe.obj:DoLayout()
+end
+
+--[[-----------------------------------------------------------------------------
+Methods
+-------------------------------------------------------------------------------]]
+local methods = {
+	["OnAcquire"] = function(self)
+		self:SetTreeWidth(DEFAULT_TREE_WIDTH, DEFAULT_TREE_SIZABLE)
+		self:EnableButtonTooltips(true)
+	end,
+
+	["OnRelease"] = function(self)
+		self.status = nil
+		for k, v in pairs(self.localstatus) do
+			if k == "groups" then
+				for k2 in pairs(v) do
+					v[k2] = nil
+				end
+			else
+				self.localstatus[k] = nil
+			end
+		end
+		self.localstatus.scrollvalue = 0
+		self.localstatus.treewidth = DEFAULT_TREE_WIDTH
+		self.localstatus.treesizable = DEFAULT_TREE_SIZABLE
+	end,
+
+	["EnableButtonTooltips"] = function(self, enable)
+		self.enabletooltips = enable
+	end,
+
+	["CreateButton"] = function(self)
+		local num = AceGUI:GetNextWidgetNum("TreeGroupButton")
+		local button = CreateFrame("Button", ("AceGUI30TreeButton%d"):format(num), self.treeframe, "OptionsListButtonTemplate")
+		button.obj = self
+
+		local icon = button:CreateTexture(nil, "OVERLAY")
+		icon:SetWidth(14)
+		icon:SetHeight(14)
+		button.icon = icon
+
+		button:SetScript("OnClick",Button_OnClick)
+		button:SetScript("OnDoubleClick", Button_OnDoubleClick)
+		button:SetScript("OnEnter",Button_OnEnter)
+		button:SetScript("OnLeave",Button_OnLeave)
+
+		button.toggle.button = button
+		button.toggle:SetScript("OnClick",Expand_OnClick)
+
+		return button
+	end,
+
+	["SetStatusTable"] = function(self, status)
+		assert(type(status) == "table")
+		self.status = status
+		if not status.groups then
+			status.groups = {}
+		end
+		if not status.scrollvalue then
+			status.scrollvalue = 0
+		end
+		if not status.treewidth then
+			status.treewidth = DEFAULT_TREE_WIDTH
+		end
+		if status.treesizable == nil then
+			status.treesizable = DEFAULT_TREE_SIZABLE
+		end
+		self:SetTreeWidth(status.treewidth,status.treesizable)
+		self:RefreshTree()
+	end,
+
+	--sets the tree to be displayed
+	["SetTree"] = function(self, tree, filter)
+		self.filter = filter
+		if tree then 
+			assert(type(tree) == "table") 
+		end
+		self.tree = tree
+		self:RefreshTree()
+	end,
+
+	["BuildLevel"] = function(self, tree, level, parent)
+		local groups = (self.status or self.localstatus).groups
+		local hasChildren = self.hasChildren
+		
+		for i, v in ipairs(tree) do
+			if v.children then
+				if not self.filter or ShouldDisplayLevel(v.children) then
+					local line = addLine(self, v, tree, level, parent)
+					if groups[line.uniquevalue] then
+						self:BuildLevel(v.children, level+1, line)
+					end
+				end
+			elseif v.visible ~= false or not self.filter then
+				addLine(self, v, tree, level, parent)
+			end
+		end
+	end,
+
+	["RefreshTree"] = function(self,scrollToSelection)
+		local buttons = self.buttons 
+		local lines = self.lines
+
+		for i, v in ipairs(buttons) do
+			v:Hide()
+		end
+		while lines[1] do
+			local t = tremove(lines)
+			for k in pairs(t) do
+				t[k] = nil
+			end
+			del(t)
+		end
+
+		if not self.tree then return end
+		--Build the list of visible entries from the tree and status tables
+		local status = self.status or self.localstatus
+		local groupstatus = status.groups
+		local tree = self.tree
+
+		local treeframe = self.treeframe
+		
+		status.scrollToSelection = status.scrollToSelection or scrollToSelection	-- needs to be cached in case the control hasn't been drawn yet (code bails out below)
+
+		self:BuildLevel(tree, 1)
+
+		local numlines = #lines
+
+		local maxlines = (floor(((self.treeframe:GetHeight()or 0) - 20 ) / 18))
+		if maxlines <= 0 then return end
+
+		local first, last
+		
+		scrollToSelection = status.scrollToSelection
+		status.scrollToSelection = nil
+
+		if numlines <= maxlines then
+			--the whole tree fits in the frame
+			status.scrollvalue = 0
+			self:ShowScroll(false)
+			first, last = 1, numlines
+		else
+			self:ShowScroll(true)
+			--scrolling will be needed
+			self.noupdate = true
+			self.scrollbar:SetMinMaxValues(0, numlines - maxlines)
+			--check if we are scrolled down too far
+			if numlines - status.scrollvalue < maxlines then
+				status.scrollvalue = numlines - maxlines
+			end
+			self.noupdate = nil
+			first, last = status.scrollvalue+1, status.scrollvalue + maxlines
+			--show selection?
+			if scrollToSelection and status.selected then
+				local show
+				for i,line in ipairs(lines) do	-- find the line number
+					if line.uniquevalue==status.selected then
+						show=i
+					end
+				end
+				if not show then
+					-- selection was deleted or something?
+				elseif show>=first and show<=last then
+					-- all good
+				else
+					-- scrolling needed!
+					if show<first then
+						status.scrollvalue = show-1
+					else
+						status.scrollvalue = show-maxlines
+					end
+					first, last = status.scrollvalue+1, status.scrollvalue + maxlines
+				end
+			end
+			if self.scrollbar:GetValue() ~= status.scrollvalue then
+				self.scrollbar:SetValue(status.scrollvalue)
+			end
+		end
+
+		local buttonnum = 1
+		for i = first, last do
+			local line = lines[i]
+			local button = buttons[buttonnum]
+			if not button then
+				button = self:CreateButton()
+
+				buttons[buttonnum] = button
+				button:SetParent(treeframe)
+				button:SetFrameLevel(treeframe:GetFrameLevel()+1)
+				button:ClearAllPoints()
+				if buttonnum == 1 then
+					if self.showscroll then
+						button:SetPoint("TOPRIGHT", -22, -10)
+						button:SetPoint("TOPLEFT", 0, -10)
+					else
+						button:SetPoint("TOPRIGHT", 0, -10)
+						button:SetPoint("TOPLEFT", 0, -10)
+					end
+				else
+					button:SetPoint("TOPRIGHT", buttons[buttonnum-1], "BOTTOMRIGHT",0,0)
+					button:SetPoint("TOPLEFT", buttons[buttonnum-1], "BOTTOMLEFT",0,0)
+				end
+			end
+
+			UpdateButton(button, line, status.selected == line.uniquevalue, line.hasChildren, groupstatus[line.uniquevalue] )
+			button:Show()
+			buttonnum = buttonnum + 1
+		end
+		
+	end,
+	
+	["SetSelected"] = function(self, value)
+		local status = self.status or self.localstatus
+		if status.selected ~= value then
+			status.selected = value
+			self:Fire("OnGroupSelected", value)
+		end
+	end,
+
+	["Select"] = function(self, uniquevalue, ...)
+		self.filter = false
+		local status = self.status or self.localstatus
+		local groups = status.groups
+		local path = {...}
+		for i = 1, #path do
+			groups[tconcat(path, "\001", 1, i)] = true
+		end
+		status.selected = uniquevalue
+		self:RefreshTree(true)
+		self:Fire("OnGroupSelected", uniquevalue)
+	end,
+
+	["SelectByPath"] = function(self, ...)
+		self:Select(BuildUniqueValue(...), ...)
+	end,
+
+	["SelectByValue"] = function(self, uniquevalue)
+		self:Select(uniquevalue, ("\001"):split(uniquevalue))
+	end,
+
+	["ShowScroll"] = function(self, show)
+		self.showscroll = show
+		if show then
+			self.scrollbar:Show()
+			if self.buttons[1] then
+				self.buttons[1]:SetPoint("TOPRIGHT", self.treeframe,"TOPRIGHT",-22,-10)
+			end
+		else
+			self.scrollbar:Hide()
+			if self.buttons[1] then
+				self.buttons[1]:SetPoint("TOPRIGHT", self.treeframe,"TOPRIGHT",0,-10)
+			end
+		end
+	end,
+
+	["OnWidthSet"] = function(self, width)
+		local content = self.content
+		local treeframe = self.treeframe
+		local status = self.status or self.localstatus
+		status.fullwidth = width
+		
+		local contentwidth = width - status.treewidth - 20
+		if contentwidth < 0 then
+			contentwidth = 0
+		end
+		content:SetWidth(contentwidth)
+		content.width = contentwidth
+		
+		local maxtreewidth = math_min(400, width - 50)
+		
+		if maxtreewidth > 100 and status.treewidth > maxtreewidth then
+			self:SetTreeWidth(maxtreewidth, status.treesizable)
+		end
+		treeframe:SetMaxResize(maxtreewidth, 1600)
+	end,
+
+	["OnHeightSet"] = function(self, height)
+		local content = self.content
+		local contentheight = height - 20
+		if contentheight < 0 then
+			contentheight = 0
+		end
+		content:SetHeight(contentheight)
+		content.height = contentheight
+	end,
+
+	["SetTreeWidth"] = function(self, treewidth, resizable)
+		if not resizable then
+			if type(treewidth) == 'number' then
+				resizable = false
+			elseif type(treewidth) == 'boolean' then
+				resizable = treewidth
+				treewidth = DEFAULT_TREE_WIDTH
+			else
+				resizable = false
+				treewidth = DEFAULT_TREE_WIDTH 
+			end
+		end
+		self.treeframe:SetWidth(treewidth)
+		self.dragger:EnableMouse(resizable)
+		
+		local status = self.status or self.localstatus
+		status.treewidth = treewidth
+		status.treesizable = resizable
+		
+		-- recalculate the content width
+		if status.fullwidth then
+			self:OnWidthSet(status.fullwidth)
+		end
+	end,
+
+	["GetTreeWidth"] = function(self)
+		local status = self.status or self.localstatus
+		return status.treewidth or DEFAULT_TREE_WIDTH
+	end,
+
+	["LayoutFinished"] = function(self, width, height)
+		if self.noAutoHeight then return end
+		self:SetHeight((height or 0) + 20)
+	end
+}
+
+--[[-----------------------------------------------------------------------------
+Constructor
+-------------------------------------------------------------------------------]]
+local PaneBackdrop  = {
+	bgFile = "Interface\\ChatFrame\\ChatFrameBackground",
+	edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
+	tile = true, tileSize = 16, edgeSize = 16,
+	insets = { left = 3, right = 3, top = 5, bottom = 3 }
+}
+
+local DraggerBackdrop  = {
+	bgFile = "Interface\\Tooltips\\UI-Tooltip-Background",
+	edgeFile = nil,
+	tile = true, tileSize = 16, edgeSize = 0,
+	insets = { left = 3, right = 3, top = 7, bottom = 7 }
+}
+
+local function Constructor()
+	local num = AceGUI:GetNextWidgetNum(Type)
+	local frame = CreateFrame("Frame", nil, UIParent)
+
+	local treeframe = CreateFrame("Frame", nil, frame)
+	treeframe:SetPoint("TOPLEFT")
+	treeframe:SetPoint("BOTTOMLEFT")
+	treeframe:SetWidth(DEFAULT_TREE_WIDTH)
+	treeframe:EnableMouseWheel(true)
+	treeframe:SetBackdrop(PaneBackdrop)
+	treeframe:SetBackdropColor(0.1, 0.1, 0.1, 0.5)
+	treeframe:SetBackdropBorderColor(0.4, 0.4, 0.4)
+	treeframe:SetResizable(true)
+	treeframe:SetMinResize(100, 1)
+	treeframe:SetMaxResize(400, 1600)
+	treeframe:SetScript("OnUpdate", FirstFrameUpdate)
+	treeframe:SetScript("OnSizeChanged", Tree_OnSizeChanged)
+	treeframe:SetScript("OnMouseWheel", Tree_OnMouseWheel)
+
+	local dragger = CreateFrame("Frame", nil, treeframe)
+	dragger:SetWidth(8)
+	dragger:SetPoint("TOP", treeframe, "TOPRIGHT")
+	dragger:SetPoint("BOTTOM", treeframe, "BOTTOMRIGHT")
+	dragger:SetBackdrop(DraggerBackdrop)
+	dragger:SetBackdropColor(1, 1, 1, 0)
+	dragger:SetScript("OnEnter", Dragger_OnEnter)
+	dragger:SetScript("OnLeave", Dragger_OnLeave)
+	dragger:SetScript("OnMouseDown", Dragger_OnMouseDown)
+	dragger:SetScript("OnMouseUp", Dragger_OnMouseUp)
+
+	local scrollbar = CreateFrame("Slider", ("AceConfigDialogTreeGroup%dScrollBar"):format(num), treeframe, "UIPanelScrollBarTemplate")
+	scrollbar:SetScript("OnValueChanged", nil)
+	scrollbar:SetPoint("TOPRIGHT", -10, -26)
+	scrollbar:SetPoint("BOTTOMRIGHT", -10, 26)
+	scrollbar:SetMinMaxValues(0,0)
+	scrollbar:SetValueStep(1)
+	scrollbar:SetValue(0)
+	scrollbar:SetWidth(16)
+	scrollbar:SetScript("OnValueChanged", OnScrollValueChanged)
+
+	local scrollbg = scrollbar:CreateTexture(nil, "BACKGROUND")
+	scrollbg:SetAllPoints(scrollbar)
+	scrollbg:SetTexture(0,0,0,0.4)
+
+	local border = CreateFrame("Frame",nil,frame)
+	border:SetPoint("TOPLEFT", treeframe, "TOPRIGHT")
+	border:SetPoint("BOTTOMRIGHT")
+	border:SetBackdrop(PaneBackdrop)
+	border:SetBackdropColor(0.1, 0.1, 0.1, 0.5)
+	border:SetBackdropBorderColor(0.4, 0.4, 0.4)
+
+	--Container Support
+	local content = CreateFrame("Frame", nil, border)
+	content:SetPoint("TOPLEFT", 10, -10)
+	content:SetPoint("BOTTOMRIGHT", -10, 10)
+
+	local widget = {
+		frame        = frame,
+		lines        = {},
+		levels       = {},
+		buttons      = {},
+		hasChildren  = {},
+		localstatus  = { groups = {}, scrollvalue = 0 },
+		filter       = false,
+		treeframe    = treeframe,
+		dragger      = dragger,
+		scrollbar    = scrollbar,
+		border       = border,
+		content      = content,
+		type         = Type
+	}
+	for method, func in pairs(methods) do
+		widget[method] = func
+	end
+	treeframe.obj, dragger.obj, scrollbar.obj = widget, widget, widget
+
+	return AceGUI:RegisterAsContainer(widget)
+end
+
+AceGUI:RegisterWidgetType(Type, Constructor, Version)