From 03a00fe3d26261c58c604437e12295414ea87d5c Mon Sep 17 00:00:00 2001
From: Insality <insality@gmail.com>
Date: Thu, 1 Apr 2021 21:58:46 +0300
Subject: [PATCH] Update infinity list

---
 druid/base/static_grid.lua       | 1 -
 druid/extended/infinity_list.lua | 8 +++-----
 example/page/infinity_page.lua   | 4 ++++
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/druid/base/static_grid.lua b/druid/base/static_grid.lua
index 6191a53..7d05e37 100644
--- a/druid/base/static_grid.lua
+++ b/druid/base/static_grid.lua
@@ -184,7 +184,6 @@ function StaticGrid.add(self, item, index, shift_policy)
 	end
 
 	self.nodes[index] = item
-
 	gui.set_parent(item, self.parent)
 
 	-- Add new item instantly in new pos. Break update function for correct positioning
diff --git a/druid/extended/infinity_list.lua b/druid/extended/infinity_list.lua
index 9a5ac25..faa0ffb 100644
--- a/druid/extended/infinity_list.lua
+++ b/druid/extended/infinity_list.lua
@@ -18,14 +18,12 @@ function M:init(data_list, scroll, grid, create_function)
 	--- Current visual elements indexes
 	self.top_index = 1
 	self.last_index = 1
+	self.create_function = create_function
 
 	self._data = {}
 	self._data_first_index = false
 	self._data_last_index = false
 	self._data_length = 0
-
-	self.create_function = create_function
-
 	self._data_visual = {}
 
 	self.scroll.on_scroll:subscribe(self._check_elements, self)
@@ -165,8 +163,8 @@ function M:_check_elements()
 		end
 	end
 
-	self:_check_elements_from(self.top_index - 1, -1)
-	self:_check_elements_from(self.top_index, 1)
+	self:_check_elements_from(self.top_index, -1)
+	self:_check_elements_from(self.top_index + 1, 1)
 
 	for index, data in pairs(self._data_visual) do
 		self.top_index = math.min(self.top_index or index, index)
diff --git a/example/page/infinity_page.lua b/example/page/infinity_page.lua
index 132d951..1e44cbd 100644
--- a/example/page/infinity_page.lua
+++ b/example/page/infinity_page.lua
@@ -118,6 +118,10 @@ local function setup_infinity_list(self)
 		return create_infinity_instance_dynamic(self, record, index)
 	end)
 
+	timer.delay(1, false, function()
+		self.infinity_list_dynamic:scroll_to_index(25)
+	end)
+
 	self.infinity_list_dynamic_hor = self.druid:new_infinity_list(data, self.infinity_scroll_dynamic_hor, self.infinity_grid_dynamic_hor, function(record, index)
 		-- function should return gui_node, [druid_component]
 		return create_infinity_instance_dynamic_hor(self, record, index)