Xiiph@0: --[[-----------------------------------------------------------------------------
Xiiph@0: Label Widget
Xiiph@0: Displays text and optionally an icon.
Xiiph@0: -------------------------------------------------------------------------------]]
Xiiph@0: local Type, Version = "Label", 21
Xiiph@0: local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
Xiiph@0: if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end
Xiiph@0: 
Xiiph@0: -- Lua APIs
Xiiph@0: local max, select, pairs = math.max, select, pairs
Xiiph@0: 
Xiiph@0: -- WoW APIs
Xiiph@0: local CreateFrame, UIParent = CreateFrame, UIParent
Xiiph@0: 
Xiiph@0: -- Global vars/functions that we don't upvalue since they might get hooked, or upgraded
Xiiph@0: -- List them here for Mikk's FindGlobals script
Xiiph@0: -- GLOBALS: GameFontHighlightSmall
Xiiph@0: 
Xiiph@0: --[[-----------------------------------------------------------------------------
Xiiph@0: Support functions
Xiiph@0: -------------------------------------------------------------------------------]]
Xiiph@0: 
Xiiph@0: local function UpdateImageAnchor(self)
Xiiph@0: 	if self.resizing then return end
Xiiph@0: 	local frame = self.frame
Xiiph@0: 	local width = frame.width or frame:GetWidth() or 0
Xiiph@0: 	local image = self.image
Xiiph@0: 	local label = self.label
Xiiph@0: 	local height
Xiiph@0: 
Xiiph@0: 	label:ClearAllPoints()
Xiiph@0: 	image:ClearAllPoints()
Xiiph@0: 
Xiiph@0: 	if self.imageshown then
Xiiph@0: 		local imagewidth = image:GetWidth()
Xiiph@0: 		if (width - imagewidth) < 200 or (label:GetText() or "") == "" then
Xiiph@0: 			-- image goes on top centered when less than 200 width for the text, or if there is no text
Xiiph@0: 			image:SetPoint("TOP")
Xiiph@0: 			label:SetPoint("TOP", image, "BOTTOM")
Xiiph@0: 			label:SetPoint("LEFT")
Xiiph@0: 			label:SetWidth(width)
Xiiph@0: 			height = image:GetHeight() + label:GetHeight()
Xiiph@0: 		else
Xiiph@0: 			-- image on the left
Xiiph@0: 			image:SetPoint("TOPLEFT")
Xiiph@0: 			label:SetPoint("TOPLEFT", image, "TOPRIGHT", 4, 0)
Xiiph@0: 			label:SetWidth(width - imagewidth - 4)
Xiiph@0: 			height = max(image:GetHeight(), label:GetHeight())
Xiiph@0: 		end
Xiiph@0: 	else
Xiiph@0: 		-- no image shown
Xiiph@0: 		label:SetPoint("TOPLEFT")
Xiiph@0: 		label:SetWidth(width)
Xiiph@0: 		height = label:GetHeight()
Xiiph@0: 	end
Xiiph@0: 	
Xiiph@0: 	self.resizing = true
Xiiph@0: 	frame:SetHeight(height)
Xiiph@0: 	frame.height = height
Xiiph@0: 	self.resizing = nil
Xiiph@0: end
Xiiph@0: 
Xiiph@0: --[[-----------------------------------------------------------------------------
Xiiph@0: Methods
Xiiph@0: -------------------------------------------------------------------------------]]
Xiiph@0: local methods = {
Xiiph@0: 	["OnAcquire"] = function(self)
Xiiph@0: 		-- set the flag to stop constant size updates
Xiiph@0: 		self.resizing = true
Xiiph@0: 		-- height is set dynamically by the text and image size
Xiiph@0: 		self:SetWidth(200)
Xiiph@0: 		self:SetText()
Xiiph@0: 		self:SetImage(nil)
Xiiph@0: 		self:SetImageSize(16, 16)
Xiiph@0: 		self:SetColor()
Xiiph@0: 		self:SetFontObject()
Xiiph@0: 
Xiiph@0: 		-- reset the flag
Xiiph@0: 		self.resizing = nil
Xiiph@0: 		-- run the update explicitly
Xiiph@0: 		UpdateImageAnchor(self)
Xiiph@0: 	end,
Xiiph@0: 
Xiiph@0: 	-- ["OnRelease"] = nil,
Xiiph@0: 
Xiiph@0: 	["OnWidthSet"] = function(self, width)
Xiiph@0: 		UpdateImageAnchor(self)
Xiiph@0: 	end,
Xiiph@0: 
Xiiph@0: 	["SetText"] = function(self, text)
Xiiph@0: 		self.label:SetText(text)
Xiiph@0: 		UpdateImageAnchor(self)
Xiiph@0: 	end,
Xiiph@0: 
Xiiph@0: 	["SetColor"] = function(self, r, g, b)
Xiiph@0: 		if not (r and g and b) then
Xiiph@0: 			r, g, b = 1, 1, 1
Xiiph@0: 		end
Xiiph@0: 		self.label:SetVertexColor(r, g, b)
Xiiph@0: 	end,
Xiiph@0: 
Xiiph@0: 	["SetImage"] = function(self, path, ...)
Xiiph@0: 		local image = self.image
Xiiph@0: 		image:SetTexture(path)
Xiiph@0: 		
Xiiph@0: 		if image:GetTexture() then
Xiiph@0: 			self.imageshown = true
Xiiph@0: 			local n = select("#", ...)
Xiiph@0: 			if n == 4 or n == 8 then
Xiiph@0: 				image:SetTexCoord(...)
Xiiph@0: 			else
Xiiph@0: 				image:SetTexCoord(0, 1, 0, 1)
Xiiph@0: 			end
Xiiph@0: 		else
Xiiph@0: 			self.imageshown = nil
Xiiph@0: 		end
Xiiph@0: 		UpdateImageAnchor(self)
Xiiph@0: 	end,
Xiiph@0: 
Xiiph@0: 	["SetFont"] = function(self, font, height, flags)
Xiiph@0: 		self.label:SetFont(font, height, flags)
Xiiph@0: 	end,
Xiiph@0: 
Xiiph@0: 	["SetFontObject"] = function(self, font)
Xiiph@0: 		self:SetFont((font or GameFontHighlightSmall):GetFont())
Xiiph@0: 	end,
Xiiph@0: 
Xiiph@0: 	["SetImageSize"] = function(self, width, height)
Xiiph@0: 		self.image:SetWidth(width)
Xiiph@0: 		self.image:SetHeight(height)
Xiiph@0: 		UpdateImageAnchor(self)
Xiiph@0: 	end,
Xiiph@0: }
Xiiph@0: 
Xiiph@0: --[[-----------------------------------------------------------------------------
Xiiph@0: Constructor
Xiiph@0: -------------------------------------------------------------------------------]]
Xiiph@0: local function Constructor()
Xiiph@0: 	local frame = CreateFrame("Frame", nil, UIParent)
Xiiph@0: 	frame:Hide()
Xiiph@0: 
Xiiph@0: 	local label = frame:CreateFontString(nil, "BACKGROUND", "GameFontHighlightSmall")
Xiiph@0: 	label:SetJustifyH("LEFT")
Xiiph@0: 	label:SetJustifyV("TOP")
Xiiph@0: 
Xiiph@0: 	local image = frame:CreateTexture(nil, "BACKGROUND")
Xiiph@0: 
Xiiph@0: 	-- create widget
Xiiph@0: 	local widget = {
Xiiph@0: 		label = label,
Xiiph@0: 		image = image,
Xiiph@0: 		frame = frame,
Xiiph@0: 		type  = Type
Xiiph@0: 	}
Xiiph@0: 	for method, func in pairs(methods) do
Xiiph@0: 		widget[method] = func
Xiiph@0: 	end
Xiiph@0: 
Xiiph@0: 	return AceGUI:RegisterAsWidget(widget)
Xiiph@0: end
Xiiph@0: 
Xiiph@0: AceGUI:RegisterWidgetType(Type, Constructor, Version)