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-rw-r--r--not/Group.lua69
1 files changed, 69 insertions, 0 deletions
diff --git a/not/Group.lua b/not/Group.lua
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index 0000000..5dedc9a
--- /dev/null
+++ b/not/Group.lua
@@ -0,0 +1,69 @@
+--- Element used for grouping elements and passing input to selected child based on controller set.
+Group = require "not.Element":extends()
+
+function Group:new (parent)
+ Group.__super.new(self, parent)
+ self.children = {}
+end
+
+--- Calls function with parameters for each child.
+-- @param func key of function to call
+-- @param ... parameters passed to function
+-- @return table with calls' results
+function Group:callEach (func, ...)
+ local results = {}
+ for _,child in ipairs(self.children) do
+ if type(child[func]) == "function" then
+ table.insert(results, child[func](child, ...))
+ end
+ end
+ return results
+end
+
+--- Calls function with parameters for one child based on controller set.
+-- @param set controller set
+-- @param func key of function to call
+-- @param ... parameters passed to function
+function Group:callWithSet (set, func, ...)
+ for i,test in ipairs(Controller.getSets()) do
+ if test == set then
+ local child = self.children[i]
+ if child then
+ return child[func](child, ...)
+ end
+ end
+ end
+end
+
+function Group:focus ()
+ self:callEach("focus")
+ self.focused = true
+ return true
+end
+
+function Group:blur ()
+ self:callEach("blur")
+ self.focused = false
+end
+
+function Group:draw (scale)
+ self:callEach("draw", scale)
+end
+
+function Group:update (dt)
+ self:callEach("update", dt)
+end
+
+function Group:controlpressed (set, action, key)
+ if self.focused then
+ self:callWithSet(set, "controlpressed", set, action, key)
+ end
+end
+
+function Group:controlreleased (set, action, key)
+ if self.focused then
+ self:callWithSet(set, "controlreleased", set, action, key)
+ end
+end
+
+return Group