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

WoWInterface SVN bdGrid

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

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--[[ Element: Raid Role Icon

 Handles visibility and updating of `self.RaidRole` based upon the units
 party assignment.

 Widget

 RaidRole - A Texture representing the units party assignment. This is can be
            main tank, main assist or blank.

 Notes

 This element updates by changing the texture.

 Examples

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

 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)
        local unit = self.unit
        if(not UnitInRaid(unit)) then return end

        local raidrole = self.RaidRole
        if(raidrole.PreUpdate) then
                raidrole:PreUpdate()
        end

        local inVehicle = UnitHasVehicleUI(unit)
        if(GetPartyAssignment('MAINTANK', unit) and not inVehicle) then
                raidrole:Show()
                raidrole:SetTexture[[Interface\GROUPFRAME\UI-GROUP-MAINTANKICON]]
        elseif(GetPartyAssignment('MAINASSIST', unit) and not inVehicle) then
                raidrole:Show()
                raidrole:SetTexture[[Interface\GROUPFRAME\UI-GROUP-MAINASSISTICON]]
        else
                raidrole:Hide()
        end

        if(raidrole.PostUpdate) then
                return raidrole:PostUpdate(rinfo)
        end
end

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

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

local Enable = function(self)
        local raidrole = self.RaidRole

        if(raidrole) then
                raidrole.__owner = self
                raidrole.ForceUpdate = ForceUpdate

                self:RegisterEvent('GROUP_ROSTER_UPDATE', Path, true)

                return true
        end
end

local Disable = function(self)
        local raidrole = self.RaidRole

        if(raidrole) then
                self:UnregisterEvent('GROUP_ROSTER_UPDATE', Path)
        end
end

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

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