WoWInterface SVN MultiScreenSupport

[/] [trunk/] [Libs/] [AceGUI-3.0/] [widgets/] [AceGUIWidget-ColorPicker.lua] - Rev 11

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--[[-----------------------------------------------------------------------------
ColorPicker Widget
-------------------------------------------------------------------------------]]
local Type, Version = "ColorPicker", 23
local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end

local IsLegion = select(4, GetBuildInfo()) >= 70000

-- Lua APIs
local pairs = 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: ShowUIPanel, HideUIPanel, ColorPickerFrame, OpacitySliderFrame

--[[-----------------------------------------------------------------------------
Support functions
-------------------------------------------------------------------------------]]
local function ColorCallback(self, r, g, b, a, isAlpha)
        if not self.HasAlpha then
                a = 1
        end
        self:SetColor(r, g, b, a)
        if ColorPickerFrame:IsVisible() then
                --colorpicker is still open
                self:Fire("OnValueChanged", r, g, b, a)
        else
                --colorpicker is closed, color callback is first, ignore it,
                --alpha callback is the final call after it closes so confirm now
                if isAlpha then
                        self:Fire("OnValueConfirmed", r, g, b, a)
                end
        end
end

--[[-----------------------------------------------------------------------------
Scripts
-------------------------------------------------------------------------------]]
local function Control_OnEnter(frame)
        frame.obj:Fire("OnEnter")
end

local function Control_OnLeave(frame)
        frame.obj:Fire("OnLeave")
end

local function ColorSwatch_OnClick(frame)
        HideUIPanel(ColorPickerFrame)
        local self = frame.obj
        if not self.disabled then
                ColorPickerFrame:SetFrameStrata("FULLSCREEN_DIALOG")
                ColorPickerFrame:SetFrameLevel(frame:GetFrameLevel() + 10)
                ColorPickerFrame:SetClampedToScreen(true)

                ColorPickerFrame.func = function()
                        local r, g, b = ColorPickerFrame:GetColorRGB()
                        local a = 1 - OpacitySliderFrame:GetValue()
                        ColorCallback(self, r, g, b, a)
                end

                ColorPickerFrame.hasOpacity = self.HasAlpha
                ColorPickerFrame.opacityFunc = function()
                        local r, g, b = ColorPickerFrame:GetColorRGB()
                        local a = 1 - OpacitySliderFrame:GetValue()
                        ColorCallback(self, r, g, b, a, true)
                end

                local r, g, b, a = self.r, self.g, self.b, self.a
                if self.HasAlpha then
                        ColorPickerFrame.opacity = 1 - (a or 0)
                end
                ColorPickerFrame:SetColorRGB(r, g, b)

                ColorPickerFrame.cancelFunc = function()
                        ColorCallback(self, r, g, b, a, true)
                end

                ShowUIPanel(ColorPickerFrame)
        end
        AceGUI:ClearFocus()
end

--[[-----------------------------------------------------------------------------
Methods
-------------------------------------------------------------------------------]]
local methods = {
        ["OnAcquire"] = function(self)
                self:SetHeight(24)
                self:SetWidth(200)
                self:SetHasAlpha(false)
                self:SetColor(0, 0, 0, 1)
                self:SetDisabled(nil)
                self:SetLabel(nil)
        end,

        -- ["OnRelease"] = nil,

        ["SetLabel"] = function(self, text)
                self.text:SetText(text)
        end,

        ["SetColor"] = function(self, r, g, b, a)
                self.r = r
                self.g = g
                self.b = b
                self.a = a or 1
                self.colorSwatch:SetVertexColor(r, g, b, a)
        end,

        ["SetHasAlpha"] = function(self, HasAlpha)
                self.HasAlpha = HasAlpha
        end,

        ["SetDisabled"] = function(self, disabled)
                self.disabled = disabled
                if self.disabled then
                        self.frame:Disable()
                        self.text:SetTextColor(0.5, 0.5, 0.5)
                else
                        self.frame:Enable()
                        self.text:SetTextColor(1, 1, 1)
                end
        end
}

--[[-----------------------------------------------------------------------------
Constructor
-------------------------------------------------------------------------------]]
local function Constructor()
        local frame = CreateFrame("Button", nil, UIParent)
        frame:Hide()

        frame:EnableMouse(true)
        frame:SetScript("OnEnter", Control_OnEnter)
        frame:SetScript("OnLeave", Control_OnLeave)
        frame:SetScript("OnClick", ColorSwatch_OnClick)

        local colorSwatch = frame:CreateTexture(nil, "OVERLAY")
        colorSwatch:SetWidth(19)
        colorSwatch:SetHeight(19)
        colorSwatch:SetTexture("Interface\\ChatFrame\\ChatFrameColorSwatch")
        colorSwatch:SetPoint("LEFT")

        local texture = frame:CreateTexture(nil, "BACKGROUND")
        texture:SetWidth(16)
        texture:SetHeight(16)
        if IsLegion then
                texture:SetColorTexture(1, 1, 1)
        else
                texture:SetTexture(1, 1, 1)
        end
        texture:SetPoint("CENTER", colorSwatch)
        texture:Show()

        local checkers = frame:CreateTexture(nil, "BACKGROUND")
        checkers:SetWidth(14)
        checkers:SetHeight(14)
        checkers:SetTexture("Tileset\\Generic\\Checkers")
        checkers:SetTexCoord(.25, 0, 0.5, .25)
        checkers:SetDesaturated(true)
        checkers:SetVertexColor(1, 1, 1, 0.75)
        checkers:SetPoint("CENTER", colorSwatch)
        checkers:Show()

        local text = frame:CreateFontString(nil,"OVERLAY","GameFontHighlight")
        text:SetHeight(24)
        text:SetJustifyH("LEFT")
        text:SetTextColor(1, 1, 1)
        text:SetPoint("LEFT", colorSwatch, "RIGHT", 2, 0)
        text:SetPoint("RIGHT")

        --local highlight = frame:CreateTexture(nil, "HIGHLIGHT")
        --highlight:SetTexture("Interface\\QuestFrame\\UI-QuestTitleHighlight")
        --highlight:SetBlendMode("ADD")
        --highlight:SetAllPoints(frame)

        local widget = {
                colorSwatch = colorSwatch,
                text        = text,
                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)

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