--> details main objects
local _detalhes = 		_G._detalhes
local gump = 			_detalhes.gump

local _rawset = rawset --> lua local
local _rawget = rawget --> lua local
local _setmetatable = setmetatable --> lua local
local _unpack = unpack --> lua local
local _type = type --> lua local
local _math_floor = math.floor --> lua local
local loadstring = loadstring --> lua local
local _
local cleanfunction = function() end
local APIButtonFunctions = false
local ButtonMetaFunctions = {}

------------------------------------------------------------------------------------------------------------
--> metatables

	ButtonMetaFunctions.__call = function (_table, value, ...)
		return self.func (_table.param1, _table.param2, value, ...)
	end

------------------------------------------------------------------------------------------------------------
--> members

	--> tooltip
	local gmember_tooltip = function (_object)
		return _object:GetTooltip()
	end
	--> shown
	local gmember_shown = function (_object)
		return _object:IsShown()
	end
	--> frame width
	local gmember_width = function (_object)
		return _object.button:GetWidth()
	end
	--> frame height
	local gmember_height = function (_object)
		return _object.button:GetHeight()
	end
	--> text
	local gmember_text = function (_object)
		return _object.button.text:GetText()
	end
	--> function
	local gmember_function = function (_object)
		return _rawget (_object, "func")
	end
	--> text color
	local gmember_textcolor = function (_object)
		return _object.button.text:GetTextColor()
	end
	--> text font
	local gmember_textfont = function (_object)
		local fontface = _object.button.text:GetFont()
		return fontface
	end
	--> text size
	local gmember_textsize = function (_object)
		local _, fontsize = _object.button.text:GetFont()
		return fontsize
	end
	--> texture
	local gmember_texture = function (_object)
		return {_object.button:GetNormalTexture(), _object.button:GetHighlightTexture(), _object.button:GetPushedTexture(), _object.button:GetDisabledTexture()}
	end
	--> locked
	local gmember_locked = function (_object)
		return _rawget (_object, "is_locked")
	end

	local get_members_function_index = {
		["tooltip"] = gmember_tooltip,
		["shown"] = gmember_shown,
		["width"] = gmember_width,
		["height"] = gmember_height,
		["text"] = gmember_text,
		["clickfunction"] = gmember_function,
		["texture"] = gmember_texture,
		["locked"] = gmember_locked,
		["fontcolor"] = gmember_textcolor,
		["fontface"] = gmember_textfont,
		["fontsize"] = gmember_textsize,
		["textcolor"] = gmember_textcolor, --alias
		["textfont"] = gmember_textfont, --alias
		["textsize"] = gmember_textsize --alias
	}

	ButtonMetaFunctions.__index = function (_table, _member_requested)

		local func = get_members_function_index [_member_requested]
		if (func) then
			return func (_table, _member_requested)
		end
		
		local fromMe = _rawget (_table, _member_requested)
		if (fromMe) then
			return fromMe
		end
		
		return ButtonMetaFunctions [_member_requested]
	end
	
-------------------------------------------------------------------------------------------------------------------------------------------------------------------

	--> tooltip
	local smember_tooltip = function (_object, _value)
		return _object:SetTooltip (_value)
	end
	--> show
	local smember_show = function (_object, _value)
		if (_value) then
			return _object:Show()
		else
			return _object:Hide()
		end
	end
	--> hide
	local smember_hide = function (_object, _value)
		if (not _value) then
			return _object:Show()
		else
			return _object:Hide()
		end
	end
	--> frame width
	local smember_width = function (_object, _value)
		return _object.button:SetWidth (_value)
	end
	--> frame height
	local smember_height = function (_object, _value)
		return _object.button:SetHeight (_value)
	end
	--> text
	local smember_text = function (_object, _value)
		return _object.button.text:SetText (_value)
	end
	--> function
	local smember_function = function (_object, _value)
		return _rawset (_object, "func", _value)
	end
	--> text color
	local smember_textcolor = function (_object, _value)
		local _value1, _value2, _value3, _value4 = gump:ParseColors (_value)
		return _object.button.text:SetTextColor (_value1, _value2, _value3, _value4)	
	end
	--> text font
	local smember_textfont = function (_object, _value)
		return _detalhes:SetFontFace (_object.button.text, _value)
	end
	--> text size
	local smember_textsize = function (_object, _value)
		return _detalhes:SetFontSize (_object.button.text, _value)
	end
	--> texture
	local smember_texture = function (_object, _value)
		if (_type (_value) == "table") then
			local _value1, _value2, _value3, _value4 = unpack (_value)
			if (_value1) then
				_object.button:SetNormalTexture (_value1)
			end
			if (_value2) then
				_object.button:SetHighlightTexture (_value2, "ADD")
			end
			if (_value3) then
				_object.button:SetPushedTexture (_value3)
			end
			if (_value4) then
				_object.button:SetDisabledTexture (_value4)
			end
		else
			_object.button:SetNormalTexture (_value)
			_object.button:SetHighlightTexture (_value, "ADD")
			_object.button:SetPushedTexture (_value)
			_object.button:SetDisabledTexture (_value)
		end
		return
	end
	--> locked
	local smember_locked = function (_object, _value)
		if (_value) then
			_object.button:SetMovable (false)
			return _rawset (_object, "is_locked", true)
		else
			_object.button:SetMovable (true)
			_rawset (_object, "is_locked", false)
			return
		end
	end	
	--> text align
	local smember_textalign = function (_object, _value)
		if (_value == "left" or _value == "<") then
			_object.button.text:SetPoint ("left", _object.button, "left", 2, 0)
			_object.capsule_textalign = "left"
		elseif (_value == "center" or _value == "|") then
			_object.button.text:SetPoint ("center", _object.button, "center", 0, 0)
			_object.capsule_textalign = "center"
		elseif (_value == "right" or _value == ">") then
			_object.button.text:SetPoint ("right", _object.button, "right", -2, 0)
			_object.capsule_textalign = "right"
		end
	end

	local set_members_function_index = {
		["tooltip"] = smember_tooltip,
		["show"] = smember_show,
		["hide"] = smember_hide,
		["width"] = smember_width,
		["height"] = smember_height,
		["text"] = smember_text,
		["clickfunction"] = smember_function,
		["textcolor"] = smember_textcolor,
		["textfont"] = smember_textfont,
		["textsize"] = smember_textsize,
		["texture"] = smember_texture,
		["locked"] = smember_locked,
		["textalign"] = smember_textalign,
	}
	
	ButtonMetaFunctions.__newindex = function (_table, _key, _value)
		local func = set_members_function_index [_key]
		if (func) then
			return func (_table, _value)
		else
			return _rawset (_table, _key, _value)
		end
	end
	
------------------------------------------------------------------------------------------------------------
--> methods

--> show & hide
	function ButtonMetaFunctions:IsShown()
		return self.button:IsShown()
	end
	function ButtonMetaFunctions:Show()
		return self.button:Show()
	end
	function ButtonMetaFunctions:Hide()
		return self.button:Hide()
	end
	
-- setpoint
	function ButtonMetaFunctions:SetPoint (v1, v2, v3, v4, v5)
		v1, v2, v3, v4, v5 = gump:CheckPoints (v1, v2, v3, v4, v5, self)
		if (not v1) then
			print ("Invalid parameter for SetPoint")
			return
		end
		return self.widget:SetPoint (v1, v2, v3, v4, v5)
	end

-- sizes
	function ButtonMetaFunctions:SetSize (w, h)
		if (w) then
			self.button:SetWidth (w)
		end
		if (h) then
			return self.button:SetHeight (h)
		end
	end
	
-- tooltip
	function ButtonMetaFunctions:SetTooltip (tooltip)
		if (tooltip) then
			return _rawset (self, "have_tooltip", tooltip)
		else
			return _rawset (self, "have_tooltip", nil)
		end
	end
	function ButtonMetaFunctions:GetTooltip()
		return _rawget (self, "have_tooltip")
	end
	
-- functions
	function ButtonMetaFunctions:SetClickFunction (func, param1, param2, clicktype)
		if (not clicktype or string.find (string.lower (clicktype), "left")) then
			if (func) then
				_rawset (self, "func", func)
			else
				_rawset (self, "func", cleanfunction)
			end
			
			if (param1) then
				_rawset (self, "param1", param1)
			end
			if (param2) then
				_rawset (self, "param2", param2)
			end
			
		elseif (clicktype or string.find (string.lower (clicktype), "right")) then
			if (func) then
				_rawset (self, "funcright", func)
			else
				_rawset (self, "funcright", cleanfunction)
			end
		end
	end
	
-- text
	function ButtonMetaFunctions:SetText (text)
		if (text) then
			self.button.text:SetText (text)
		else
			self.button.text:SetText (nil)
		end
	end
	
-- textcolor
	function ButtonMetaFunctions:SetTextColor (color)
		local _value1, _value2, _value3, _value4 = gump:ParseColors (color)
		return self.button.text:SetTextColor (_value1, _value2, _value3, _value4)
	end
	
-- textsize
	function ButtonMetaFunctions:SetTextSize (size)
		return _detalhes:SetFontSize (self.button.text, _value)
	end
	
-- textfont
	function ButtonMetaFunctions:SetTextFont (font)
		return _detalhes:SetFontFace (_object.button.text, _value)
	end
	
-- textures
	function ButtonMetaFunctions:SetTexture (normal, highlight, pressed, disabled)
		if (normal) then
			self.button:SetNormalTexture (normal)
		elseif (_type (normal) ~= "boolean") then
			self.button:SetNormalTexture (nil)
		end
		
		if (_type (highlight) == "boolean") then
			if (highlight and normal and _type (normal) ~= "boolean") then
				self.button:SetHighlightTexture (normal, "ADD")
			end
		elseif (highlight == nil) then
			self.button:SetHighlightTexture (nil)
		else
			self.button:SetHighlightTexture (highlight, "ADD")
		end
		
		if (_type (pressed) == "boolean") then
			if (pressed and normal and _type (normal) ~= "boolean") then
				self.button:SetPushedTexture (normal)
			end
		elseif (pressed == nil) then
			self.button:SetPushedTexture (nil)
		else
			self.button:SetPushedTexture (pressed, "ADD")
		end
		
		if (_type (disabled) == "boolean") then
			if (disabled and normal and _type (normal) ~= "boolean") then
				self.button:SetDisabledTexture (normal)
			end
		elseif (disabled == nil) then
			self.button:SetDisabledTexture (nil)
		else
			self.button:SetDisabledTexture (disabled, "ADD")
		end
		
	end
	
-- frame levels
	function ButtonMetaFunctions:GetFrameLevel()
		return self.button:GetFrameLevel()
	end
	function ButtonMetaFunctions:SetFrameLevel (level, frame)
		if (not frame) then
			return self.button:SetFrameLevel (level)
		else
			local framelevel = frame:GetFrameLevel (frame) + level
			return self.button:SetFrameLevel (framelevel)
		end
	end

-- frame stratas
	function ButtonMetaFunctions:SetFrameStrata()
		return self.button:GetFrameStrata()
	end
	function ButtonMetaFunctions:SetFrameStrata (strata)
		if (_type (strata) == "table") then
			self.button:SetFrameStrata (strata:GetFrameStrata())
		else
			self.button:SetFrameStrata (strata)
		end
	end
	
-- enabled
	function ButtonMetaFunctions:IsEnabled()
		return self.button:IsEnabled()
	end
	function ButtonMetaFunctions:Enable()
		return self.button:Enable()
	end
	function ButtonMetaFunctions:Disable()
		return self.button:Disable()
	end
	
-- exec
	function ButtonMetaFunctions:Exec()
		return self.func (self.param1, self.param2)
	end
	function ButtonMetaFunctions:Click()
		return self.func (self.param1, self.param2)
	end
	function ButtonMetaFunctions:RightClick()
		return self.funcright()
	end

--> hooks
	function ButtonMetaFunctions:SetHook (hookType, func)
		if (func) then
			_rawset (self, hookType.."Hook", func)
		else
			_rawset (self, hookType.."Hook", nil)
		end
	end

--> custom textures
	function ButtonMetaFunctions:InstallCustomTexture (texture, rect, coords)
	
		self.button:SetNormalTexture (nil)
		self.button:SetPushedTexture (nil)
		self.button:SetDisabledTexture (nil)
		self.button:SetHighlightTexture (nil)
		
		texture = texture or "Interface\\AddOns\\Details\\images\\default_button"
		self.button.texture = self.button:CreateTexture (nil, "background")
		
		if (not rect) then 
			self.button.texture:SetAllPoints (self.button)
		else
			self.button.texture:SetPoint ("topleft", self.button, "topleft", rect.x1, rect.y1)
			self.button.texture:SetPoint ("bottomright", self.button, "bottomright", rect.x2, rect.y2)
		end
		
		if (coords) then
			self.button.texture.coords = coords
			self.button.texture:SetTexCoord (_unpack (coords.Normal))
		else
			self.button.texture:SetTexCoord (0, 1, 0, 0.24609375)
		end
		
		self.button.texture:SetTexture (texture)
	end

------------------------------------------------------------------------------------------------------------
--> scripts

	local OnEnter = function (button)
	
		if (button.MyObject.OnEnterHook) then
			local interrupt = button.MyObject.OnEnterHook (button)
			if (interrupt) then
				return
			end
		end
	
		button.MyObject.is_mouse_over = true
	
		if (button.texture) then
			if (button.texture.coords) then
				button.texture:SetTexCoord (_unpack (button.texture.coords.Highlight))
			else
				button.texture:SetTexCoord (0, 1, 0.24609375, 0.49609375)
			end
		end
	
		if (button.MyObject.have_tooltip) then 
			GameCooltip:Reset()
			GameCooltip:AddLine (button.MyObject.have_tooltip)
			GameCooltip:ShowCooltip (button, "tooltip")
		end
		
		local parent = button:GetParent().MyObject
		if (parent and parent.type == "panel") then
			if (parent.GradientEnabled) then
				parent:RunGradient()
			end
		end
	end
	
	local OnLeave = function (button)
		if (button.MyObject.OnLeaveHook) then
			local interrupt = button.MyObject.OnLeaveHook (button)
			if (interrupt) then
				return
			end
		end
		
		button.MyObject.is_mouse_over = false
		
		if (button.texture and not button.MyObject.is_mouse_down) then
			if (button.texture.coords) then
				button.texture:SetTexCoord (_unpack (button.texture.coords.Normal))
			else		
				button.texture:SetTexCoord (0, 1, 0, 0.24609375)
			end
		end
		
		if (button.MyObject.have_tooltip) then 
			_detalhes.popup:ShowMe (false)
		end
		
		local parent = button:GetParent().MyObject
		if (parent and parent.type == "panel") then
			if (parent.GradientEnabled) then
				parent:RunGradient (false)
			end
		end
	end
	
	local OnHide = function (button)
		if (button.MyObject.OnHideHook) then
			local interrupt = button.MyObject.OnHideHook (button)
			if (interrupt) then
				return
			end
		end
	end
	
	local OnShow = function (button)
		if (button.MyObject.OnShowHook) then
			local interrupt = button.MyObject.OnShowHook (button)
			if (interrupt) then
				return
			end
		end
	end
	
	local OnMouseDown = function (button, buttontype)
		if (not button:IsEnabled()) then
			return
		end
		
		if (button.MyObject.OnMouseDownHook) then
			local interrupt = button.MyObject.OnMouseDownHook (button, buttontype)
			if (interrupt) then
				return
			end
		end
		
		button.MyObject.is_mouse_down = true
		
		if (button.texture) then
			if (button.texture.coords) then
				button.texture:SetTexCoord (_unpack (button.texture.coords.Pushed))
			else		
				button.texture:SetTexCoord (0, 1, 0.5078125, 0.75)
			end
		end
		
		if (button.MyObject.capsule_textalign) then
			if (button.MyObject.capsule_textalign == "left") then
				button.text:SetPoint ("left", button, "left", 3, -1)
			elseif (button.MyObject.capsule_textalign == "center") then
				button.text:SetPoint ("center", button, "center", 1, -1)
			elseif (button.MyObject.capsule_textalign == "right") then
				button.text:SetPoint ("right", button, "right", -1, -1)
			end
		else
			button.text:SetPoint ("center", button,"center", 1, -1)
		end

		button.mouse_down = GetTime()
		local x, y = GetCursorPosition()
		button.x = _math_floor (x)
		button.y = _math_floor (y)
	
		if (not button.MyObject.container.isLocked and button.MyObject.container:IsMovable()) then
			if (not button.isLocked and button:IsMovable()) then
				button.MyObject.container.isMoving = true
				button.MyObject.container:StartMoving()
			end
		end
		
		if (button.MyObject.options.OnGrab) then
			if (_type (button.MyObject.options.OnGrab) == "string" and button.MyObject.options.OnGrab == "PassClick") then
				if (buttontype == "LeftButton") then
					button.MyObject.func (button.MyObject.param1, button.MyObject.param2)
				else
					button.MyObject.funcright (button.MyObject.param1, button.MyObject.param2)
				end
			end
		end
	end

	local OnMouseUp = function (button, buttontype)
		if (not button:IsEnabled()) then
			return
		end
		
		if (button.MyObject.OnMouseUpHook) then
			local interrupt = button.MyObject.OnMouseUpHook (button, buttontype)
			if (interrupt) then
				return
			end
		end
		
		button.MyObject.is_mouse_down = false

		if (button.texture) then
			if (button.texture.coords) then
				if (button.MyObject.is_mouse_over) then
					button.texture:SetTexCoord (_unpack (button.texture.coords.Highlight))
				else
					button.texture:SetTexCoord (_unpack (coords.Normal))
				end
			else	
				if (button.MyObject.is_mouse_over) then
					button.texture:SetTexCoord (0, 1, 0.24609375, 0.49609375)
				else
					button.texture:SetTexCoord (0, 1, 0, 0.24609375)
				end
			end
		end
		
		if (button.MyObject.capsule_textalign) then
			if (button.MyObject.capsule_textalign == "left") then
				button.text:SetPoint ("left", button, "left", 2, 0)
			elseif (button.MyObject.capsule_textalign == "center") then
				button.text:SetPoint ("center", button, "center", 0, 0)
			elseif (button.MyObject.capsule_textalign == "right") then
				button.text:SetPoint ("right", button, "right", -2, 0)
			end
		else
			button.text:SetPoint ("center", button,"center", 0, 0)
		end
		
		if (button.MyObject.container.isMoving) then
			button.MyObject.container:StopMovingOrSizing()
			button.MyObject.container.isMoving = false
		end

		local x, y = GetCursorPosition()
		x = _math_floor (x)
		y = _math_floor (y)
		if ((button.mouse_down+0.4 > GetTime() and (x == button.x and y == button.y)) or (x == button.x and y == button.y)) then
			if (buttontype == "LeftButton") then
				button.MyObject.func (button.MyObject.param1, button.MyObject.param2, button)
			else
				button.MyObject.funcright (button.MyObject.param1, button.MyObject.param2, button)
			end
		end
	end

------------------------------------------------------------------------------------------------------------
--> object constructor

function gump:NewButton (parent, container, name, member, w, h, func, param1, param2, texture, text)
	
	if (not name) then
		return nil
	elseif (not parent) then
		return nil
	end
	if (not container) then
		container = parent
	end
	
	if (name:find ("$parent")) then
		name = name:gsub ("$parent", parent:GetName())
	end
	
	
	local ButtonObject = {type = "button", dframework = true}
	
	if (member) then
		parent [member] = ButtonObject
	end	
	
	if (parent.dframework) then
		parent = parent.widget
	end
	if (container.dframework) then
		container = container.widget
	end
	
	--> default members:
		--> hooks
		ButtonObject.OnEnterHook = nil
		ButtonObject.OnLeaveHook = nil
		ButtonObject.OnHideHook = nil
		ButtonObject.OnShowHook = nil
		ButtonObject.OnMouseDownHook = nil
		ButtonObject.OnMouseUpHook = nil
		--> misc
		ButtonObject.is_locked = true
		ButtonObject.container = container
		ButtonObject.have_tooltip = nil
		ButtonObject.options = {OnGrab = false}


	ButtonObject.button = CreateFrame ("button", name, parent, "DetailsButtonTemplate")
	ButtonObject.widget = ButtonObject.button

	if (not APIButtonFunctions) then
		APIButtonFunctions = true
		local idx = getmetatable (ButtonObject.button).__index
		for funcName, funcAddress in pairs (idx) do 
			if (not ButtonMetaFunctions [funcName]) then
				ButtonMetaFunctions [funcName] = function (object, ...)
					local x = loadstring ( "return _G."..object.button:GetName()..":"..funcName.."(...)")
					return x (...)
				end
			end
		end
	end

	ButtonObject.button:SetWidth (w or 100)
	ButtonObject.button:SetHeight (h or 20)
	ButtonObject.button.MyObject = ButtonObject
	
	ButtonObject.text_overlay = _G [name .. "_Text"]
	ButtonObject.disabled_overlay = _G [name .. "_TextureDisabled"]
	
	ButtonObject.button:SetNormalTexture (texture)
	ButtonObject.button:SetPushedTexture (texture)
	ButtonObject.button:SetDisabledTexture (texture)
	ButtonObject.button:SetHighlightTexture (texture, "ADD")
	
	ButtonObject.button.text:SetText (text)
	
	ButtonObject.func = func or cleanfunction
	ButtonObject.funcright = cleanfunction
	ButtonObject.param1 = param1
	ButtonObject.param2 = param2
	
	--> hooks
		ButtonObject.button:SetScript ("OnEnter", OnEnter)
		ButtonObject.button:SetScript ("OnLeave", OnLeave)
		ButtonObject.button:SetScript ("OnHide", OnHide)
		ButtonObject.button:SetScript ("OnShow", OnShow)
		ButtonObject.button:SetScript ("OnMouseDown", OnMouseDown)
		ButtonObject.button:SetScript ("OnMouseUp", OnMouseUp)
		
	_setmetatable (ButtonObject, ButtonMetaFunctions)
	
	return ButtonObject
	
end