private void FillMainRect(Rect mainRect)
        {
            Text.Font = GameFont.Small;
            float height   = FirstCommodityY + cachedTradeables.Count * RowInterval;
            Rect  viewRect = new Rect(0f, 0f, mainRect.width - 16f, height);

            Widgets.BeginScrollView(mainRect, ref scrollPosition, viewRect, true);
            float num  = FirstCommodityY;
            float num2 = scrollPosition.y - RowInterval;
            float num3 = scrollPosition.y + mainRect.height;
            int   num4 = 0;

            for (int i = 0; i < cachedTradeables.Count; i++)
            {
                if (num > num2 && num < num3)
                {
                    Rect rect            = new Rect(0f, num, viewRect.width, RowInterval);
                    int  countToTransfer = cachedTradeables[i].CountToTransfer;
                    TradeUI.DrawTradeableRow(rect, cachedTradeables[i], num4);
                    if (countToTransfer != cachedTradeables[i].CountToTransfer)
                    {
                        CountToTransferChanged();
                    }
                }
                num += RowInterval;
                num4++;
            }
            Widgets.EndScrollView();
        }
        public override void DoWindowContents(Rect inRect)
        {
            TradeSession.deal.UpdateCurrencyCount();
            GUI.BeginGroup(inRect);
            inRect = inRect.AtZero();
            TransferableUIUtility.DoTransferableSorters(sorter1, sorter2, delegate(TransferableSorterDef x)
            {
                sorter1 = x;
                CacheTradeables();
            }, delegate(TransferableSorterDef x)
            {
                sorter2 = x;
                CacheTradeables();
            });
            Text.Font   = GameFont.Small;
            Text.Anchor = TextAnchor.UpperLeft;
            Widgets.Label(new Rect(0f, SpaceBetweenTraderNameAndTraderKind, inRect.width / 2f, inRect.height / 2f), "NegotiatorTradeDialogInfo".Translate(TradeSession.playerNegotiator.Name.ToStringFull, TradeSession.playerNegotiator.GetStatValue(StatDefOf.TradePriceImprovement, true).ToStringPercent()));
            float num      = inRect.width - 590f;
            Rect  position = new Rect(num, 0f, inRect.width - num, TopAreaHeight);

            GUI.BeginGroup(position);
            Text.Font = GameFont.Medium;
            Rect rect = new Rect(0f, 0f, position.width / 2f, position.height);

            Text.Anchor = TextAnchor.UpperLeft;
            Widgets.Label(rect, Faction.OfPlayer.Name.Truncate(rect.width, null));
            Rect rect2 = new Rect(position.width / 2f, 0f, position.width / 2f, position.height);

            Text.Anchor = TextAnchor.UpperRight;
            string text = TradeSession.trader.TraderName;

            if (Text.CalcSize(text).x > rect2.width)
            {
                Text.Font = GameFont.Small;
                text      = text.Truncate(rect2.width, null);
            }
            Widgets.Label(rect2, text);
            Text.Font   = GameFont.Small;
            Text.Anchor = TextAnchor.UpperRight;
            Widgets.Label(new Rect(position.width / 2f, SpaceBetweenTraderNameAndTraderKind, position.width / 2f, position.height / 2f), TradeSession.trader.TraderKind.LabelCap);
            Text.Anchor = TextAnchor.UpperLeft;
            if (!TradeSession.giftMode)
            {
                GUI.color = new Color(1f, 1f, 1f, 0.6f);
                Text.Font = GameFont.Tiny;
                Rect rect3 = new Rect(position.width / 2f - 100f - RowInterval, 0f, 200f, position.height);
                Text.Anchor = TextAnchor.LowerCenter;
                Widgets.Label(rect3, "PositiveBuysNegativeSells".Translate());
                Text.Anchor = TextAnchor.UpperLeft;
                GUI.color   = Color.white;
            }
            GUI.EndGroup();
            float num2 = 0f;

            if (cachedCurrencyTradeable != null)
            {
                float num3 = inRect.width - 16f;
                TradeUI.DrawTradeableRow(new Rect(0f, TopAreaHeight, num3, RowInterval), cachedCurrencyTradeable, 1);
                GUI.color = Color.gray;
                Widgets.DrawLineHorizontal(0f, 87f, num3);
                GUI.color = Color.white;
                num2      = RowInterval;
            }
            Rect mainRect = new Rect(0f, TopAreaHeight + num2, inRect.width, inRect.height - TopAreaHeight - 38f - num2 - 20f);

            FillMainRect(mainRect);
            Rect rect4 = new Rect(inRect.width / 2f - AcceptButtonSize.x / 2f, inRect.height - 55f, AcceptButtonSize.x, AcceptButtonSize.y);

            if (Widgets.ButtonText(rect4, TradeSession.giftMode ? ("OfferGifts".Translate() + " (" + FactionGiftUtility.GetGoodwillChange(TradeSession.deal.AllTradeables, TradeSession.trader.Faction).ToStringWithSign() + ")") : "AcceptButton".Translate(), true, true, true))
            {
                void action()
                {
                    if (TradeSession.deal.TryExecute(out bool flag))
                    {
                        if (flag)
                        {
                            SoundDefOf.ExecuteTrade.PlayOneShotOnCamera(null);
                            Close(false);
                            return;
                        }
                        Close(true);
                    }
                }

                if (TradeSession.deal.DoesTraderHaveEnoughSilver())
                {
                    action();
                }
                else
                {
                    FlashSilver();
                    SoundDefOf.ClickReject.PlayOneShotOnCamera(null);
                    Find.WindowStack.Add(Dialog_MessageBox.CreateConfirmation("ConfirmTraderShortFunds".Translate(), action, false, null));
                }
                Event.current.Use();
            }
            if (Widgets.ButtonText(new Rect(rect4.x - 10f - OtherBottomButtonSize.x, rect4.y, OtherBottomButtonSize.x, OtherBottomButtonSize.y), "ResetButton".Translate(), true, true, true))
            {
                SoundDefOf.Tick_Low.PlayOneShotOnCamera(null);
                TradeSession.deal.Reset();
                CacheTradeables();
                CountToTransferChanged();
            }
            if (Widgets.ButtonText(new Rect(rect4.xMax + 10f, rect4.y, OtherBottomButtonSize.x, OtherBottomButtonSize.y), "CancelButton".Translate(), true, true, true))
            {
                this.Close(true);
                Event.current.Use();
            }
            float y     = OtherBottomButtonSize.y;
            Rect  rect5 = new Rect(inRect.width - y, rect4.y, y, y);

            if (Widgets.ButtonImageWithBG(rect5, ShowSellableItemsIcon, new Vector2?(new Vector2(ShowSellableItemsIconSize, ShowSellableItemsIconSize))))
            {
                Find.WindowStack.Add(new Dialog_SellableItems(TradeSession.trader));
            }
            TooltipHandler.TipRegionByKey(rect5, "CommandShowSellableItemsDesc");
            Faction faction = TradeSession.trader.Faction;

            if (faction != null && !giftsOnly && !faction.def.permanentEnemy)
            {
                Rect rect6 = new Rect(rect5.x - y - 4f, rect4.y, y, y);
                if (TradeSession.giftMode)
                {
                    if (Widgets.ButtonImageWithBG(rect6, TradeModeIcon, new Vector2?(new Vector2(TradeModeIconSize, TradeModeIconSize))))
                    {
                        TradeSession.giftMode = false;
                        TradeSession.deal.Reset();
                        CacheTradeables();
                        CountToTransferChanged();
                        SoundDefOf.Tick_High.PlayOneShotOnCamera(null);
                    }
                    TooltipHandler.TipRegionByKey(rect6, "TradeModeTip");
                }
                else
                {
                    if (Widgets.ButtonImageWithBG(rect6, GiftModeIcon, new Vector2?(new Vector2(GiftModeIconSize, GiftModeIconSize))))
                    {
                        TradeSession.giftMode = true;
                        TradeSession.deal.Reset();
                        CacheTradeables();
                        CountToTransferChanged();
                        SoundDefOf.Tick_High.PlayOneShotOnCamera(null);
                    }
                    TooltipHandler.TipRegionByKey(rect6, "GiftModeTip", faction.Name);
                }
            }
            GUI.EndGroup();
        }