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Bartender4/ActionBar.lua

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+--[[
+	Copyright (c) 2009, Hendrik "Nevcairiel" Leppkes < h.leppkes at gmail dot com >
+	All rights reserved.
+]]
+local StateBar = Bartender4.StateBar.prototype
+local ActionBar = setmetatable({}, {__index = StateBar})
+Bartender4.ActionBar = ActionBar
+
+--[[===================================================================================
+	ActionBar Prototype
+===================================================================================]]--
+
+local initialPosition
+do
+	-- Sets the Bar to its initial Position in the Center of the Screen
+	function initialPosition(bar)
+		bar:ClearSetPoint("CENTER", 0, -250 + (bar.id-1) * 38)
+		bar:SavePosition()
+	end
+end
+
+-- Apply the specified config to the bar and refresh all settings
+function ActionBar:ApplyConfig(config)
+	StateBar.ApplyConfig(self, config)
+
+	if not self.config.position.x then initialPosition(self) end
+
+	self:UpdateButtons()
+end
+
+-- Update the number of buttons in our bar, creating new ones if necessary
+function ActionBar:UpdateButtons(numbuttons)
+	if numbuttons then
+		self.config.buttons = min(numbuttons, 12)
+	else
+		numbuttons = min(self.config.buttons, 12)
+	end
+
+	local buttons = self.buttons or {}
+
+	local updateBindings = (numbuttons > #buttons)
+	-- create more buttons if needed
+	for i = (#buttons+1), numbuttons do
+		buttons[i] = Bartender4.Button:Create(i, self)
+	end
+
+	-- show active buttons
+	for i = 1, numbuttons do
+		buttons[i]:SetParent(self)
+		buttons[i]:Show()
+		buttons[i]:SetAttribute("statehidden", nil)
+		buttons[i]:Update()
+	end
+
+	-- hide inactive buttons
+	for i = (numbuttons + 1), #buttons do
+		buttons[i]:Hide()
+		buttons[i]:SetParent(UIParent)
+		buttons[i]:SetAttribute("statehidden", true)
+	end
+
+	self.numbuttons = numbuttons
+	self.buttons = buttons
+
+	self:UpdateButtonLayout()
+	self:SetGrid()
+	if updateBindings and self.id == "1" then
+		self.module:ReassignBindings()
+	end
+
+	-- need to re-set clickthrough after creating new buttons
+	self:SetClickThrough()
+	self:UpdateSelfCast() -- update selfcast and states
+end
+
+function ActionBar:SkinChanged(...)
+	StateBar.SkinChanged(self, ...)
+	self:ForAll("Update")
+end
+
+
+--[[===================================================================================
+	ActionBar Config Interface
+===================================================================================]]--
+
+
+-- get the current number of buttons
+function ActionBar:GetButtons()
+	return self.config.buttons
+end
+
+-- set the number of buttons and refresh layout
+ActionBar.SetButtons = ActionBar.UpdateButtons
+
+function ActionBar:GetEnabled()
+	return true
+end
+
+function ActionBar:SetEnabled(state)
+	if not state then
+		self.module:DisableBar(self.id)
+	end
+end
+
+function ActionBar:GetGrid()
+	return self.config.showgrid
+end
+
+function ActionBar:SetGrid(state)
+	if state ~= nil then
+		self.config.showgrid = state
+	end
+	if self.config.showgrid then
+		self:ForAll("ShowGrid")
+	else
+		self:ForAll("HideGrid")
+	end
+	self:ForAll("UpdateGrid")
+end