#79 fix remove in on_input, add grid page example

example/page/grid_page.lua

@@ -0,0 +1,57 @@
+local M = {}
+
+
+local function add_node(self)
+	local prefab = gui.get_node("grid_nodes_prefab")
+	local cloned = gui.clone_tree(prefab)
+	gui.set_enabled(cloned["grid_nodes_prefab"], true)
+	local index = #self.grid_nodes + 1
+	gui.set_text(cloned["grid_nodes_text"], index)
+
+	local button = self.druid:new_button(cloned["grid_nodes_prefab"], function()
+		print(index)
+	end)
+	table.insert(self.grid_node_buttons, button)
+
+	self.grid_nodes:add(cloned["grid_nodes_prefab"])
+end
+
+
+local function clear_nodes(self)
+	local nodes = self.grid_nodes.nodes
+	for i = 1, #nodes do
+		gui.delete_node(nodes[i])
+	end
+
+	for i = 1, #self.grid_node_buttons do
+		self.druid:remove(self.grid_node_buttons[i])
+	end
+	self.grid_node_buttons = {}
+
+	self.grid_nodes:clear()
+end
+
+
+local function remove_node(self)
+	-- Remove is not implemented yet
+end
+
+
+function M.setup_page(self)
+	self.grid_nodes = self.druid:new_grid("grid_nodes", "grid_nodes_prefab", 5)
+	self.grid_node_buttons = {}
+	gui.set_enabled(gui.get_node("grid_nodes_prefab"), false)
+
+	for i = 1, 15 do
+		add_node(self)
+	end
+
+	self.druid:new_button("button_add/button", add_node)
+	self.druid:new_button("button_clear/button", clear_nodes)
+
+	local remove_button = self.druid:new_button("button_remove/button", remove_node)
+	gui.set_enabled(remove_button.node, false)
+end
+
+
+return M