Version 0.9.4.14 - Alpha (see changelog.txt)

changelog.txt

@@ -1,3 +1,12 @@
+================================================
+Version 0.9.4.14 - Alpha (January 4 - 2013)
+================================================
+[ADDED] a new util library function: loveframes.util.CheckForUpdates() (note: this function is meant to be used by the developer and is never called internally by Love Frames)
+[ADDED] a new callback for the tabbutton object: OnOpened(object)
+[ADDED] a new callback for the tabbutton object: OnClosed(object)
+
+[CHANGED] tabs:AddTab(name, object, tip, image) now accepts two new optional arguments for tabbutton callbacks (ex: tabs:AddTab(name, object, tip, image, onopened, onclosed))
+
 ================================================
 Version 0.9.4.13 - Alpha (January 4 - 2013)
 ================================================

debug.lua

@@ -642,19 +642,17 @@ function loveframes.debug.ExamplesMenu()
 		local images = {"accept.png", "add.png", "application.png", "building.png", "bin.png", "database.png", "box.png", "brick.png"}
 		
 		for i=1, 20 do
-		
+			local image = "resources/images/" .. images[math.random(1, #images)]
 			local panel1 = loveframes.Create("panel")
 			panel1.Draw = function()
 			end
-			
 			local text1 = loveframes.Create("text", panel1)
 			text1:SetText("Tab " ..i)
-			tabs1:AddTab("Tab " ..i, panel1, "Tab " ..i, "resources/images/" ..images[math.random(1, #images)])
+			tabs1:AddTab("Tab " ..i, panel1, "Tab " ..i, image)
 			text1:SetAlwaysUpdate(true)
 			text1.Update = function(object, dt)
 				object:Center()
 			end
-			
 		end
 		
 	end

init.lua

@@ -9,7 +9,7 @@ loveframes = {}
 -- library info
 loveframes.info = {}
 loveframes.info.author = "Kenny Shields"
-loveframes.info.version = "0.9.4.13"
+loveframes.info.version = "0.9.4.14"
 loveframes.info.stage = "Alpha"
 
 -- library configurations

objects/internal/tabbutton.lua

@@ -10,7 +10,7 @@ local newobject = loveframes.NewObject("tabbutton", "loveframes_object_tabbutton
 	- func: initialize()
 	- desc: initializes the object
 --]]---------------------------------------------------------
-function newobject:initialize(parent, text, tabnumber, tip, image)
+function newobject:initialize(parent, text, tabnumber, tip, image, onopened, onclosed)
 
 	self.type = "tabbutton"
 	self.font = loveframes.smallfont
@@ -24,6 +24,8 @@ function newobject:initialize(parent, text, tabnumber, tip, image)
 	self.internal = true
 	self.down = false
 	self.image = nil
+	self.OnOpened = nil
+	self.OnClosed = nil
 	
 	if tip then
 		self.tooltip = loveframes.objects["tooltip"]:new(self, tip)
@@ -35,6 +37,14 @@ function newobject:initialize(parent, text, tabnumber, tip, image)
 		self:SetImage(image)
 	end
 	
+	if onopened then
+		self.OnOpened = onopened
+	end
+	
+	if onclosed then
+		self.OnClosed = onclosed
+	end
+	
 	-- apply template properties to the object
 	loveframes.templates.ApplyToObject(self)
 	
@@ -148,7 +158,18 @@ function newobject:mousereleased(x, y, button)
 	
 	if hover and button == "l" then
 		if button == "l" then
+			local tab = self.parent.tab
+			local internals = parent.internals
+			local onopened = self.OnOpened
+			local prevtab = internals[tab]
+			local onclosed = prevtab.OnClosed
 			parent:SwitchToTab(tabnumber)
+			if onopened then
+				onopened(self)
+			end
+			if onclosed then
+				onclosed(prevtab)
+			end
 		end
 	end
 	

objects/tabs.lua

@@ -26,7 +26,6 @@ function newobject:initialize()
 	self.autosize = true
 	self.internal = false
 	self.tooltipfont = loveframes.basicfontsmall
-	self.tabs = {}
 	self.internals = {}
 	self.children = {}
 	
@@ -239,7 +238,7 @@ end
 	- func: AddTab(name, object, tip, image)
 	- desc: adds a new tab to the tab panel
 --]]---------------------------------------------------------
-function newobject:AddTab(name, object, tip, image)
+function newobject:AddTab(name, object, tip, image, onopened, onclosed)
 
 	local padding = self.padding
 	local autosize = self.autosize
@@ -253,7 +252,7 @@ function newobject:AddTab(name, object, tip, image)
 	object.staticy = 0
 	
 	table.insert(self.children, object)
-	internals[tabnumber] = loveframes.objects["tabbutton"]:new(self, name, tabnumber, tip, image)
+	internals[tabnumber] = loveframes.objects["tabbutton"]:new(self, name, tabnumber, tip, image, onopened, onclosed)
 	self.tabnumber = tabnumber + 1
 	
 	for k, v in ipairs(internals) do

util.lua

@@ -258,3 +258,23 @@ function loveframes.util.Error(message)
 	error("[Love Frames] " ..message)
 	
 end
+
+--[[---------------------------------------------------------
+	- func: loveframes.util.CheckForUpdates()
+	- desc: checks for more recent versions of Love Frames
+--]]---------------------------------------------------------
+function loveframes.util.CheckForUpdates()
+
+	local info = loveframes.info
+	local version = info.version
+	local stage = info.stage
+	local socket = require("socket.http")
+	local b, c, h = socket.request("http://update.nikolairesokav.com/?id=loveframes&version=" ..version.. "&stage=" ..stage)
+	
+	if c == 200 then
+		return b
+	else
+		return "An error occurred while checking for updates. Please try again later."
+	end
+
+end