GnomishVendorShrinker/frames/MerchantItem.lua

202 lines
5.2 KiB
Lua

local myname, ns = ...
local GAP = 4
local HEIGHT = 21
local ICONSIZE = 17
local function PriceIsAltCurrency(index)
for i=1,MAX_ITEM_COST do
local _, _, _, currencyName = GetMerchantItemCostItem(index, i)
if currencyName then return true end
end
end
local function HasAllCommonBarterItems(index)
for i=1,MAX_ITEM_COST do
local _, _, link = GetMerchantItemCostItem(index, i)
if link then
local _, _, quality = GetItemInfo(link)
if quality >= LE_ITEM_QUALITY_UNCOMMON then return false end
end
end
return true
end
local function RequiresConfirmation(index)
if not HasAllCommonBarterItems(index) then return true end
end
local function OnClick(self, button)
local id = self:GetID()
local hasaltcurrency = (GetMerchantItemCostInfo(id) > 0)
if IsAltKeyDown() and not hasaltcurrency then
self:BuyItem(true)
elseif IsModifiedClick() then
HandleModifiedItemClick(GetMerchantItemLink(id))
elseif hasaltcurrency then
if not PriceIsAltCurrency(id) and not RequiresConfirmation(id) then
-- We're trading an item like [Tricky Treat], not using a "real" currency
self:BuyItem()
else
self.link = GetMerchantItemLink(id)
self.texture = self.icon:GetTexture()
MerchantFrame_ConfirmExtendedItemCost(self)
end
else
self:BuyItem()
end
end
local function OnDragStart(self, button)
MerchantFrame.extendedCost = nil
PickupMerchantItem(self:GetID())
if self.extendedCost then MerchantFrame.extendedCost = self end
end
local function OnEnter(self)
GameTooltip:SetOwner(self, "ANCHOR_RIGHT")
GameTooltip:SetMerchantItem(self:GetID())
GameTooltip_ShowCompareItem()
MerchantFrame.itemHover = self:GetID()
if IsModifiedClick("DRESSUP") then ShowInspectCursor() else ResetCursor() end
end
local function OnLeave()
GameTooltip:Hide()
ResetCursor()
MerchantFrame.itemHover = nil
end
function ns.Purchase(id, quantity)
local _, _, _, _, available = GetMerchantItemInfo(id)
local max = GetMerchantItemMaxStack(id)
if available > 0 and available < quantity then quantity = available end
local purchased = 0
while purchased < quantity do
local buyamount = math.min(max, quantity - purchased)
purchased = purchased + buyamount
BuyMerchantItem(id, buyamount)
end
end
local function BuyItem(self, fullstack)
local id = self:GetID()
local link = GetMerchantItemLink(id)
if not link then return end
local _, _, _, vendorStackSize = GetMerchantItemInfo(id)
local _, _, _, _, _, _, _, itemStackSize = GetItemInfo(link)
ns.Purchase(id, fullstack and itemStackSize or vendorStackSize or 1)
end
local function SetValue(self, i)
self:SetID(i)
self:Show()
local name, itemTexture, itemPrice, itemStackCount, numAvailable, isUsable, extendedCost = GetMerchantItemInfo(i)
local link = GetMerchantItemLink(i)
local gradient, shown = ns.GetRowGradient(i)
self.backdrop:SetGradientAlpha("HORIZONTAL", unpack(gradient))
self.backdrop:SetShown(shown)
self.icon:SetTexture(itemTexture)
self.icon:SetVertexColor(ns.GetRowVertexColor(i))
local textcolor = ns.GetRowTextColor(i)
local text =
(numAvailable > -1 and ("["..numAvailable.."] ") or "")..
textcolor..
(name or "<Loading item data>")..
(itemStackCount > 1 and ("|r x"..itemStackCount) or "")
self.ItemName:SetText(text)
self.AltCurrency:SetValue(i)
if extendedCost then
self.link, self.texture, self.extendedCost = link, itemTexture, true
end
if itemPrice > 0 then
self.ItemPrice:SetText(ns.GSC(itemPrice))
self.Price = itemPrice
end
if extendedCost and (itemPrice <= 0) then
self.ItemPrice:SetText("")
self.Price = 0
elseif extendedCost and (itemPrice > 0) then
self.ItemPrice:SetText(ns.GSC(itemPrice))
else
self.extendedCost = nil
end
end
function ns.NewMerchantItemFrame(parent)
local frame = CreateFrame("Button", nil, parent)
frame:SetHeight(HEIGHT)
frame:SetHighlightTexture("Interface\\HelpFrame\\HelpFrameButton-Highlight")
frame:GetHighlightTexture():SetTexCoord(0, 1, 0, 0.578125)
frame:RegisterForClicks("AnyUp")
frame:RegisterForDrag("LeftButton")
frame:SetScript("OnClick", OnClick)
frame:SetScript("OnDragStart", OnDragStart)
frame:SetScript("OnEnter", OnEnter)
frame:SetScript("OnLeave", OnLeave)
frame.BuyItem = BuyItem
frame.SetValue = SetValue
local backdrop = frame:CreateTexture(nil, "BACKGROUND")
backdrop:SetAllPoints()
backdrop:SetTexture("Interface\\Tooltips\\UI-Tooltip-Background")
frame.backdrop = backdrop
local icon = CreateFrame('Frame', nil, frame)
icon:SetHeight(ICONSIZE)
icon:SetWidth(ICONSIZE)
icon:SetPoint('LEFT', 2, 0)
frame.icon = icon:CreateTexture(nil, "BORDER")
frame.icon:SetAllPoints()
local popout = ns.NewQtyPopoutFrame(frame)
popout:SetPoint("RIGHT")
popout:SetSize(HEIGHT/2, HEIGHT)
frame.popout = popout
local ItemPrice = frame:CreateFontString(nil, nil, "NumberFontNormal")
ItemPrice:SetPoint('RIGHT', popout, "LEFT", -2, 0)
frame.ItemPrice = ItemPrice
local AltCurrency = ns.NewAltCurrencyFrame(frame)
AltCurrency:SetPoint("RIGHT", ItemPrice, "LEFT")
frame.AltCurrency = AltCurrency
local ItemName = frame:CreateFontString(nil, nil, "GameFontNormalSmall")
ItemName:SetPoint("LEFT", icon, "RIGHT", GAP, 0)
ItemName:SetPoint("RIGHT", AltCurrency, "LEFT", -GAP, 0)
ItemName:SetJustifyH("LEFT")
frame.ItemName = ItemName
return frame
end