MxW_Addon/Libraries/oUF/elements/assistant.lua

113 lines
2.4 KiB
Lua

--[[ Element: Assistant Icon
Toggles visibility of `self.Assistant` based on the units raid officer status.
Widget
Assistant - Any UI widget.
Notes
The default assistant icon will be applied if the UI widget is a texture and
doesn't have a texture or color defined.
Examples
-- Position and size
local Assistant = self:CreateTexture(nil, "OVERLAY")
Assistant:SetSize(16, 16)
Assistant:SetPoint('TOP', self)
-- Register it with oUF
self.Assistant = Assistant
Hooks and Callbacks
]]
local parent, ns = ...
local oUF = ns.oUF
local Update = function(self, event)
if not self.unit then return; end
local assistant = self.Assistant
--[[ :PreUpdate()
Called before the element has been updated.
Arguments
self - The Assistant element.
]]
if(assistant.PreUpdate) then
assistant:PreUpdate()
end
local unit = self.unit
local isAssistant = UnitInRaid(unit) and UnitIsGroupAssistant(unit) and not UnitIsGroupLeader(unit)
if(isAssistant) then
assistant:Show()
else
assistant:Hide()
end
--[[ :PostUpdate(isAssistant)
Called after the element has been updated.
Arguments
self - The Assistant element.
isAssistant - A boolean holding whether the unit is a raid officer or not.
]]
if(assistant.PostUpdate) then
return assistant:PostUpdate(isAssistant)
end
end
local Path = function(self, ...)
--[[ :Override(self, event, ...)
Used to completely override the internal update function. Removing the
table key entry will make the element fall-back to its internal function
again.
Arguments
self - The Assistant element.
event - The UI event that fired.
... - A vararg with the arguments that accompany the event.
]]
return (self.Assistant.Override or Update) (self, ...)
end
local ForceUpdate = function(element)
return Path(element.__owner, 'ForceUpdate')
end
local Enable = function(self)
local assistant = self.Assistant
if(assistant) then
self:RegisterEvent("GROUP_ROSTER_UPDATE", Path, true)
if(assistant:IsObjectType"Texture" and not assistant:GetTexture()) then
assistant:SetTexture[[Interface\GroupFrame\UI-Group-AssistantIcon]]
end
assistant.__owner = self
assistant.ForceUpdate = ForceUpdate
return true
end
end
local Disable = function(self)
local assistant = self.Assistant
if(assistant) then
self:UnregisterEvent("GROUP_ROSTER_UPDATE", Path)
assistant:Hide()
end
end
oUF:AddElement('Assistant', Path, Enable, Disable)