88 lines
1.9 KiB
Lua
88 lines
1.9 KiB
Lua
--[[ Element: Leader Icon
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Toggles visibility based on the units leader status.
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Widget
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Leader - Any UI widget.
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Notes
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The default leader icon will be applied if the UI widget is a texture and
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doesn't have a texture or color defined.
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Examples
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-- Position and size
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local Leader = self:CreateTexture(nil, "OVERLAY")
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Leader:SetSize(16, 16)
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Leader:SetPoint("BOTTOM", self, "TOP")
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-- Register it with oUF
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self.Leader = Leadera
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Hooks
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Override(self) - Used to completely override the internal update function.
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Removing the table key entry will make the element fall-back
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to its internal function again.
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]]
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local parent, ns = ...
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local oUF = ns.oUF
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local Update = function(self, event)
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local leader = self.Leader
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if(leader.PreUpdate) then
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leader:PreUpdate()
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end
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local unit = self.unit
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local isLeader = (UnitInParty(unit) or UnitInRaid(unit)) and UnitIsGroupLeader(unit)
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if(isLeader) then
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leader:Show()
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else
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leader:Hide()
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end
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if(leader.PostUpdate) then
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return leader:PostUpdate(isLeader)
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end
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end
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local Path = function(self, ...)
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return (self.Leader.Override or Update) (self, ...)
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end
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local ForceUpdate = function(element)
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return Path(element.__owner, 'ForceUpdate')
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end
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local Enable = function(self)
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local leader = self.Leader
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if(leader) then
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leader.__owner = self
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leader.ForceUpdate = ForceUpdate
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self:RegisterEvent("PARTY_LEADER_CHANGED", Path, true)
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self:RegisterEvent("GROUP_ROSTER_UPDATE", Path, true)
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if(leader:IsObjectType"Texture" and not leader:GetTexture()) then
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leader:SetTexture[[Interface\GroupFrame\UI-Group-LeaderIcon]]
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end
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return true
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end
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end
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local Disable = function(self)
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local leader = self.Leader
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if(leader) then
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leader:Hide()
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self:UnregisterEvent("PARTY_LEADER_CHANGED", Path)
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self:UnregisterEvent("GROUP_ROSTER_UPDATE", Path)
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end
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end
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oUF:AddElement('Leader', Path, Enable, Disable)
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