Move components to extended. Make stubs for ready to make it requirable

druid/extended/checkbox_group.lua

@@ -0,0 +1,66 @@
+--- Checkbox group module
+-- @module druid.checkbox_group
+
+--- Component events
+-- @table Events
+-- @tfield druid_event on_checkbox_click On any checkbox click
+
+--- Component fields
+-- @table Fields
+-- @tfield table checkboxes Array of checkbox components
+
+local Event = require("druid.event")
+local component = require("druid.component")
+
+local M = component.create("checkbox_group")
+
+
+--- Component init function
+-- @function checkbox_group:init
+-- @tparam node[] node Array of gui node
+-- @tparam function callback Checkbox callback
+-- @tparam[opt=node] node[] click node Array of trigger nodes, by default equals to nodes
+function M.init(self, nodes, callback, click_nodes)
+	self.druid = self:get_druid()
+	self.checkboxes = {}
+
+	self.on_checkbox_click = Event(callback)
+
+	for i = 1, #nodes do
+		local click_node = click_nodes and click_nodes[i] or nil
+		local checkbox = self.druid:new_checkbox(nodes[i], function()
+			self.on_checkbox_click:trigger(self:get_context(), i)
+		end, click_node)
+
+		table.insert(self.checkboxes, checkbox)
+	end
+end
+
+
+--- Set checkbox group state
+-- @function checkbox_group:set_state
+-- @tparam bool[] indexes Array of checkbox state
+function M.set_state(self, indexes)
+	for i = 1, #indexes do
+		if self.checkboxes[i] then
+			self.checkboxes[i]:set_state(indexes[i], true)
+		end
+	end
+end
+
+
+--- Return checkbox group state
+-- @function checkbox_group:get_state
+-- @treturn bool[] Array if checkboxes state
+function M.get_state(self)
+	local result = {}
+
+	for i = 1, #self.checkboxes do
+		table.insert(result, self.checkboxes[i]:get_state())
+	end
+
+	return result
+end
+
+
+return M