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ESO Lua File v100023

publicallingames/itempreview/itempreviewlisthelper_shared.lua

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ZO_ItemPreviewListHelper_Shared = ZO_CallbackObject:Subclass()
function ZO_ItemPreviewListHelper_Shared:New(...)
    local object = ZO_CallbackObject.New(self)
    object:Initialize(...)
    return object
end
function ZO_ItemPreviewListHelper_Shared:Initialize(control)
    self.control = control
    self.fragment = ZO_SimpleSceneFragment:New(control)
    self.fragment:SetHideOnSceneHidden(true)
    self.fragment:RegisterCallback("StateChange", function(oldState, newState)
        if newState == SCENE_FRAGMENT_SHOWING then
            self:OnShowing()
        elseif newState == SCENE_FRAGMENT_HIDDEN then
            self:OnHidden()
        end
    end)
    self.RefreshActionsCallback = function()
        self:RefreshActions()
    end
    self.EndCurrentPreviewCallback = function()
        self:ClearPreviewData()
        self:RefreshActions()
    end
end
function ZO_ItemPreviewListHelper_Shared:ClearPreviewData()
    self.previewType = nil
    self.previewListEntries = nil
    self.previewIndex = nil
end
function ZO_ItemPreviewListHelper_Shared:PreviewList(previewType, previewListEntries, startingIndex)
    assert(previewType and previewListEntries and #previewListEntries > 0)
    self.previewType = previewType
    self.previewListEntries = previewListEntries
    self.previewIndex = nil -- Effectively resets the "current" preview, so we don't need to worry about "doing the same index again"
    self:SetPreviewIndex(startingIndex or 1)
end
function ZO_ItemPreviewListHelper_Shared:PreviewNext()
    if self.previewType then
        local previewIndex = self.previewIndex + 1
        if previewIndex > #self.previewListEntries then
            previewIndex = previewIndex - #self.previewListEntries
        end
        self:SetPreviewIndex(previewIndex)
    end
end
function ZO_ItemPreviewListHelper_Shared:PreviewPrevious()
    if self.previewType then
        local previewIndex = self.previewIndex - 1
        if previewIndex < 1 then
            previewIndex = #self.previewListEntries - previewIndex
        end
        self:SetPreviewIndex(previewIndex)
    end
end
function ZO_ItemPreviewListHelper_Shared:SetPreviewIndex(previewIndex)
    if self:IsValidPreviewIndex(previewIndex) and self.previewIndex ~= previewIndex then
        self.previewIndex = previewIndex
        local previewData = self.previewListEntries[previewIndex]
        if type(previewData) == "table" then
            self:GetPreviewObject():SharedPreviewSetup(self.previewType, unpack(previewData))
        else
            self:GetPreviewObject():SharedPreviewSetup(self.previewType, previewData)
        end
        self:FireCallbacks("OnPreviewChanged", previewData)
    end
end
function ZO_ItemPreviewListHelper_Shared:EndCurrentPreview()
end
function ZO_ItemPreviewListHelper_Shared:GetPreviewIndex()
    return self.previewIndex
end
function ZO_ItemPreviewListHelper_Shared:GetPreviewData(previewIndex)
    if self:IsValidPreviewIndex(previewIndex) then
        return self.previewListEntries[self.previewIndex]
    end
end
function ZO_ItemPreviewListHelper_Shared:GetCurrentPreviewData()
    return self:GetPreviewData(self.previewIndex)
end
function ZO_ItemPreviewListHelper_Shared:IsValidPreviewIndex(previewIndex)
    if self.previewType and previewIndex >= 1 and previewIndex <= #self.previewListEntries then
        return true
    end
    return false
end
function ZO_ItemPreviewListHelper_Shared:GetPreviewObject()
    assert(false) -- Must be overriden
end
function ZO_ItemPreviewListHelper_Shared:GetFragment()
    return self.fragment
end
function ZO_ItemPreviewListHelper_Shared:HasMultiplePreviewDatas()
    return self.previewListEntries and #self.previewListEntries > 1
end
function ZO_ItemPreviewListHelper_Shared:RefreshActions()
    self:FireCallbacks("RefreshActions")
end
function ZO_ItemPreviewListHelper_Shared:OnShowing()
end
function ZO_ItemPreviewListHelper_Shared:OnHidden()
end
function ZO_ItemPreviewListHelper_Shared:PreviewMarketProduct(marketProductId)
    if marketProductId ~= 0 then
        local previewList
        if GetMarketProductType(marketProductId) == MARKET_PRODUCT_TYPE_BUNDLE then
            previewList = {}
            for i = 1, GetMarketProductNumChildren(marketProductId) do
                local childMarketProductId = GetMarketProductChildId(marketProductId, i)
                -- Only preview the parts of the bundle that actually can be previewed
                if CanPreviewMarketProduct(childMarketProductId) then
                    table.insert(previewList, childMarketProductId)
                end
            end
        else
            -- If we got here, we already validated that it can be previewed
            previewList = { marketProductId }
        end
        if #previewList > 0 then
            self:PreviewList(ZO_ITEM_PREVIEW_MARKET_PRODUCT, previewList)
        end
    end
end
function ZO_ItemPreviewListHelper_Shared:CanPreviewMarketProduct(marketProductId)
    if marketProductId ~= 0 then
        if GetMarketProductType(marketProductId) == MARKET_PRODUCT_TYPE_BUNDLE then
            for i = 1, GetMarketProductNumChildren(marketProductId) do
                local childMarketProductId = GetMarketProductChildId(marketProductId, i)
                if CanPreviewMarketProduct(childMarketProductId) then
                    -- If we can preview anything in this bundle it's enough to start a preview. We'll figure out which ones to include when we actually decide to preview.
                    return true
                end
            end
        else
            return CanPreviewMarketProduct(marketProductId)
        end
    end
    return false
end