diff Libs/AceGUI-3.0/widgets/AceGUIWidget-Label.lua @ 57:01b63b8ed811 v21

total rewrite to version 21
author yellowfive
date Fri, 05 Jun 2015 11:05:15 -0700
parents
children e635cd648e01
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Libs/AceGUI-3.0/widgets/AceGUIWidget-Label.lua	Fri Jun 05 11:05:15 2015 -0700
@@ -0,0 +1,166 @@
+--[[-----------------------------------------------------------------------------
+Label Widget
+Displays text and optionally an icon.
+-------------------------------------------------------------------------------]]
+local Type, Version = "Label", 23
+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 max, select, pairs = math.max, select, pairs
+
+-- 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: GameFontHighlightSmall
+
+--[[-----------------------------------------------------------------------------
+Support functions
+-------------------------------------------------------------------------------]]
+
+local function UpdateImageAnchor(self)
+	if self.resizing then return end
+	local frame = self.frame
+	local width = frame.width or frame:GetWidth() or 0
+	local image = self.image
+	local label = self.label
+	local height
+
+	label:ClearAllPoints()
+	image:ClearAllPoints()
+
+	if self.imageshown then
+		local imagewidth = image:GetWidth()
+		if (width - imagewidth) < 200 or (label:GetText() or "") == "" then
+			-- image goes on top centered when less than 200 width for the text, or if there is no text
+			image:SetPoint("TOP")
+			label:SetPoint("TOP", image, "BOTTOM")
+			label:SetPoint("LEFT")
+			label:SetWidth(width)
+			height = image:GetHeight() + label:GetHeight()
+		else
+			-- image on the left
+			image:SetPoint("TOPLEFT")
+			if image:GetHeight() > label:GetHeight() then
+				label:SetPoint("LEFT", image, "RIGHT", 4, 0)
+			else
+				label:SetPoint("TOPLEFT", image, "TOPRIGHT", 4, 0)
+			end
+			label:SetWidth(width - imagewidth - 4)
+			height = max(image:GetHeight(), label:GetHeight())
+		end
+	else
+		-- no image shown
+		label:SetPoint("TOPLEFT")
+		label:SetWidth(width)
+		height = label:GetHeight()
+	end
+	
+	self.resizing = true
+	frame:SetHeight(height)
+	frame.height = height
+	self.resizing = nil
+end
+
+--[[-----------------------------------------------------------------------------
+Methods
+-------------------------------------------------------------------------------]]
+local methods = {
+	["OnAcquire"] = function(self)
+		-- set the flag to stop constant size updates
+		self.resizing = true
+		-- height is set dynamically by the text and image size
+		self:SetWidth(200)
+		self:SetText()
+		self:SetImage(nil)
+		self:SetImageSize(16, 16)
+		self:SetColor()
+		self:SetFontObject()
+
+		-- reset the flag
+		self.resizing = nil
+		-- run the update explicitly
+		UpdateImageAnchor(self)
+	end,
+
+	-- ["OnRelease"] = nil,
+
+	["OnWidthSet"] = function(self, width)
+		UpdateImageAnchor(self)
+	end,
+
+	["SetText"] = function(self, text)
+		self.label:SetText(text)
+		UpdateImageAnchor(self)
+	end,
+
+	["SetColor"] = function(self, r, g, b)
+		if not (r and g and b) then
+			r, g, b = 1, 1, 1
+		end
+		self.label:SetVertexColor(r, g, b)
+	end,
+
+	["SetImage"] = function(self, path, ...)
+		local image = self.image
+		image:SetTexture(path)
+		
+		if image:GetTexture() then
+			self.imageshown = true
+			local n = select("#", ...)
+			if n == 4 or n == 8 then
+				image:SetTexCoord(...)
+			else
+				image:SetTexCoord(0, 1, 0, 1)
+			end
+		else
+			self.imageshown = nil
+		end
+		UpdateImageAnchor(self)
+	end,
+
+	["SetFont"] = function(self, font, height, flags)
+		self.label:SetFont(font, height, flags)
+	end,
+
+	["SetFontObject"] = function(self, font)
+		self:SetFont((font or GameFontHighlightSmall):GetFont())
+	end,
+
+	["SetImageSize"] = function(self, width, height)
+		self.image:SetWidth(width)
+		self.image:SetHeight(height)
+		UpdateImageAnchor(self)
+	end,
+}
+
+--[[-----------------------------------------------------------------------------
+Constructor
+-------------------------------------------------------------------------------]]
+local function Constructor()
+	local frame = CreateFrame("Frame", nil, UIParent)
+	frame:Hide()
+
+	local label = frame:CreateFontString(nil, "BACKGROUND", "GameFontHighlightSmall")
+	label:SetJustifyH("LEFT")
+	label:SetJustifyV("TOP")
+
+	local image = frame:CreateTexture(nil, "BACKGROUND")
+
+	-- create widget
+	local widget = {
+		label = label,
+		image = image,
+		frame = frame,
+		type  = Type
+	}
+	for method, func in pairs(methods) do
+		widget[method] = func
+	end
+
+	return AceGUI:RegisterAsWidget(widget)
+end
+
+AceGUI:RegisterWidgetType(Type, Constructor, Version)