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WoWInterface: SVN - bdGrid - Rev 2 - /trunk/lib/oUF/elements/pvp.lua

WoWInterface SVN bdGrid

[/] [trunk/] [lib/] [oUF/] [elements/] [pvp.lua] - Rev 2

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--[[ Element: PvP Icon

 Handles updating and toggles visibility based upon the units PvP status.

 Widget

 PvP - A Texture used to display the faction or FFA icon.

 Notes

 This element updates by changing the texture.

 Examples

   -- Position and size
   local PvP = self:CreateTexture(nil, 'OVERLAY')
   PvP:SetSize(16, 16)
   PvP:SetPoint('TOPRIGHT', self)
   
   -- Register it with oUF
   self.PvP = PvP

 Hooks

 Override(self) - Used to completely override the internal update function.
                  Removing the table key entry will make the element fall-back
                  to its internal function again.
]]

local parent, ns = ...
local oUF = ns.oUF

local Update = function(self, event, unit)
        if(unit ~= self.unit) then return end

        local pvp = self.PvP
        if(pvp.PreUpdate) then
                pvp:PreUpdate()
        end

        local status
        local factionGroup = UnitFactionGroup(unit)
        if(UnitIsPVPFreeForAll(unit)) then
                pvp:SetTexture[[Interface\TargetingFrame\UI-PVP-FFA]]
                status = 'ffa'
        -- XXX - WoW5: UnitFactionGroup() can return Neutral as well.
        elseif(factionGroup and factionGroup ~= 'Neutral' and UnitIsPVP(unit)) then
                pvp:SetTexture([[Interface\TargetingFrame\UI-PVP-]]..factionGroup)
                status = factionGroup
        end

        if(status) then
                pvp:Show()
        else
                pvp:Hide()
        end

        if(pvp.PostUpdate) then
                return pvp:PostUpdate(status)
        end
end

local Path = function(self, ...)
        return (self.PvP.Override or Update) (self, ...)
end

local ForceUpdate = function(element)
        return Path(element.__owner, 'ForceUpdate', element.__owner.unit)
end

local Enable = function(self)
        local pvp = self.PvP
        if(pvp) then
                pvp.__owner = self
                pvp.ForceUpdate = ForceUpdate

                self:RegisterEvent("UNIT_FACTION", Path)

                return true
        end
end

local Disable = function(self)
        local pvp = self.PvP
        if(pvp) then
                pvp:Hide()
                self:UnregisterEvent("UNIT_FACTION", Path)
        end
end

oUF:AddElement('PvP', Path, Enable, Disable)

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