vanilla-wow-addons – Rev 1
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--[[
Name: AceTab-2.0
Revision: $Rev: 16217 $
Developed by: The Ace Development Team (http://www.wowace.com/index.php/The_Ace_Development_Team)
Website: http://www.wowace.com/
Documentation: http://www..wowace.com/index.php/AceTab-2.0
SVN: http://svn.wowace.com/root/trunk/Ace2/AceTab-2.0
Description: A tab-completion library
Dependencies: AceLibrary, AceEvent-2.0
]]
local MAJOR_VERSION = "AceTab-2.0"
local MINOR_VERSION = "$Revision: 16217 $"
if not AceLibrary then error(MAJOR_VERSION .. " requires AceLibrary.") end
if not AceLibrary:IsNewVersion(MAJOR_VERSION, MINOR_VERSION) then return end
local AceEvent
local AceTab = {}
local _G = getfenv()
local hookedFrames = {}
local framesHooked = {}
function AceTab:RegisterTabCompletion(descriptor, regex, wlfunc, usage, editframes)
self:argCheck(descriptor, 2, "string")
self:argCheck(regex, 3, "string", "table")
self:argCheck(wlfunc, 4, "string", "function", "nil")
self:argCheck(usage, 5, "string", "function", "boolean", "nil")
self:argCheck(editframe, 6, "string", "table", "nil")
if type(regex) == "string" then regex = {regex} end
if type(wlfunc) == "string" and type(self[wlfunc]) ~= "function" then
self:error("Cannot register function %q; it does not exist", wlfunc)
end
if type(usage) == "string" and type(self[usage]) ~= "function" then
self:error("Cannot register usage function %q; it does not exist", usage)
end
if not editframes then editframes = {"ChatFrameEditBox"} end
if type(editframes) == "table" and editframes.Show then editframes = {editframes:GetName()} end
for _, frame in pairs(editframes) do
local Gframe
if type(frame) == "table" then
Gframe = frame
frame = frame:GetName()
else
Gframe = _G[frame]
end
if type(Gframe) ~= "table" or not Gframe.Show then
self:error("Cannot register frame %q; it does not exist", frame)
frame = nil
end
if frame then
if Gframe:GetFrameType() ~= "EditBox" then
self:error("Cannot register frame %q; it is not an EditBox", frame)
frame = nil
else
if AceEvent and AceEvent:IsFullyInitialized() then
if not framesHooked[Gframe] then
framesHooked[Gframe] = true
local orig = Gframe:GetScript("OnTabPressed")
if type(orig) ~= "function" then
orig = function() end
end
Gframe:SetScript("OnTabPressed", function()
if self:OnTabPressed(Gframe) then
return orig()
end
end)
Gframe.curMatch = 0
Gframe.matches = {}
Gframe.pMatchLen = 0
end
else
hookedFrames[frame] = true
end
end
end
end
if not self.registry[descriptor] then
self.registry[descriptor] = {}
end
if not self.registry[descriptor][self] then
self.registry[descriptor][self] = {}
end
self.registry[descriptor][self] = {patterns = regex, wlfunc = wlfunc, usage = usage, frames = editframes}
if not AceEvent and AceLibrary:HasInstance("AceEvent-2.0") then
external(AceTab, "AceEvent-2.0", AceLibrary("AceEvent-2.0"))
end
if AceEvent then
if not self:IsEventRegistered("AceEvent_FullyInitialized") then
self:RegisterEvent("AceEvent_FullyInitialized", "AceEvent_FullyInitialized", true)
end
end
end
function AceTab:IsTabCompletionRegistered(descriptor)
self:argCheck(descriptor, 2, "string")
return self.registry[descriptor] and self.registry[descriptor][self]
end
function AceTab:UnregisterTabCompletion(descriptor)
self:argCheck(descriptor, 2, "string")
if self.registry[descriptor] and self.registry[descriptor][self] then
self.registry[descriptor][self] = nil
else
self:error("Cannot unregister a tab completion (%s) that you have not registered.", descriptor)
end
end
local GCS
GCS = function(s1, s2)
if not s1 and not s2 then return end
if not s1 then s1 = s2 end
if not s2 then s2 = s1 end
local s1len, s2len = string.len(s1), string.len(s2)
if s2len < s1len then
s1, s2 = s2, s1
end
if string.find(string.lower(s2), string.lower(s1)) then
return s1
else
return GCS(string.sub(s1, 1, -2), s2)
end
end
local pos
local function CycleTab()
this.pMatchLen = string.len(this.lMatch)
local cMatch = 0
local matched = false
for desc, mList in pairs(this.matches) do
if not matched then
for _, m in ipairs(mList) do
cMatch = cMatch + 1
if cMatch == this.curMatch then
this.lMatch = m
this.curMatch = this.curMatch + 1
matched = true
break
end
end
end
end
if not matched then
this.curMatch = 1
this.lMatch = this.origWord
end
this:HighlightText(pos - this.pMatchLen, pos)
this:Insert(this.lMatch)
end
function AceTab:OnTabPressed()
local ost = this:GetScript("OnTextSet")
if type(ost) ~= "function" then
ost = nil
end
if ost then this:SetScript("OnTextSet", nil) end
if this:GetText() == "" then return true end
this:Insert("\255")
pos = string.find(this:GetText(), "\255", 1) - 1
this:HighlightText(pos, pos+1)
this:Insert("\0")
if ost then this:SetScript("OnTextSet", ost) end
local fulltext = this:GetText()
local text = string.sub(fulltext, 0, pos) or ""
local left = string.find(string.sub(text, 1, pos), "%w+$")
left = left and left-1 or pos
if not left or left == 1 and string.sub(text, 1, 1) == "/" then return true end
local _, _, word = string.find(string.sub(text, left, pos), "(%w+)")
word = word or ""
this.lMatch = this.curMatch > 0 and (this.lMatch or this.origWord)
if this.lMatch and this.lMatch ~= "" and string.find(string.sub(text, 1, pos), this.lMatch.."$") then
return CycleTab()
else
this.matches = {}
this.curMatch = 0
this.lMatch = nil
end
local completions = {}
local numMatches = 0
local firstMatch, hasNonFallback
for desc, entry in pairs(AceTab.registry) do
for _, s in pairs(entry) do
for _, f in pairs(s.frames) do
if _G[f] == this then
for _, regex in ipairs(s.patterns) do
local cands = {}
if string.find(string.sub(text, 1, left), regex.."$") then
local c = s.wlfunc(cands, fulltext, left)
if c ~= false then
local mtemp = {}
this.matches[desc] = this.matches[desc] or {}
for _, cand in ipairs(cands) do
if string.find(string.lower(cand), string.lower(word), 1, 1) == 1 then
mtemp[cand] = true
numMatches = numMatches + 1
if numMatches == 1 then firstMatch = cand end
end
end
for i in pairs(mtemp) do
table.insert(this.matches[desc], i)
end
this.matches[desc].usage = s.usage
if regex ~= "" and this.matches[desc][1] then
hasNonFallback = true
this.matches[desc].notFallback = true
end
end
end
end
end
end
end
end
local _, set = next(this.matches)
if not set or numMatches == 0 and not hasNonFallback then return true end
this:HighlightText(left, left + string.len(word))
if numMatches == 1 then
this:Insert(firstMatch)
this:Insert(" ")
else
if this.curMatch == 0 then
this.curMatch = 1
this.origWord = word
this.lMatch = word
CycleTab()
end
local gcs
for h, c in pairs(this.matches) do
if hasNonFallback and not c.notFallback then break end
local u = c.usage
c.usage = nil
local candUsage = u and {}
local gcs2
if next(c) then
if not u then DEFAULT_CHAT_FRAME:AddMessage(h..":") end
for _, m in ipairs(c) do
if not u then DEFAULT_CHAT_FRAME:AddMessage(m) end
gcs2 = GCS(gcs2, m)
end
end
gcs = GCS(gcs, gcs2)
if u then
if type(u) == "function" then
local us = u(candUsage, c, gcs2, string.sub(text, 1, left))
if candUsage and next(candUsage) then us = candUsage end
if type(us) == "string" then
DEFAULT_CHAT_FRAME:AddMessage(us)
elseif type(us) == "table" and numMatches > 0 then
for _, v in ipairs(c) do
if us[v] then DEFAULT_CHAT_FRAME:AddMessage(string.format("%s - %s", v, us[v])) end
end
end
end
end
end
if curMatch == 0 then
this:Insert(gcs or word)
end
end
end
function AceTab:AceEvent_FullyInitialized()
for frame in pairs(hookedFrames) do
local Gframe = _G[frame]
if not framesHooked[Gframe] then
framesHooked[Gframe] = true
local orig = Gframe:GetScript("OnTabPressed")
if type(orig) ~= "function" then
orig = function() end
end
Gframe:SetScript("OnTabPressed", function()
if self:OnTabPressed(Gframe) then
return orig()
end
end)
Gframe.curMatch = 0
Gframe.matches = {}
Gframe.pMatchLen = 0
end
end
end
local function external(self, major, instance)
if major == "AceEvent-2.0" then
if not AceEvent then
AceEvent = instance
AceEvent:embed(self)
end
end
end
local function activate(self, oldLib, oldDeactivate)
if oldLib then
self.registry = oldLib.registry
end
if not self.registry then
self.registry = {}
end
if oldDeactivate then
oldDeactivate(oldLib)
end
end
AceLibrary:Register(AceTab, MAJOR_VERSION, MINOR_VERSION, activate, nil, external)
AceTab = AceLibrary(MAJOR_VERSION)