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made parents completely optional in element creation

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This commit is contained in:
Fox 2016-04-01 14:10:40 -07:00
parent 3c1724d9fb
commit cd64ba6b81
3 changed files with 47 additions and 17 deletions
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23
demo/pop/init.lua
View File

@ -59,14 +59,31 @@ pop.load = function()
pop.screen = pop.create("element", false):setSize(graphics.getWidth(), graphics.getHeight())
return print("created \"pop.screen\"")
end
local instanceOfElement
instanceOfElement = function(object)
if object and object.__class then
local cls = object.__class
if cls.__name == "element" then
return true
end
while cls.__parent do
cls = cls.__parent
if cls.__name == "element" then
return true
end
end
end
return false
end
pop.create = function(element, parent, ...)
if parent == nil then
parent = pop.screen
end
if parent then
print(parent.__class, parent.__class.__name, parent.__class.__base, parent.__class.__parent)
end
if instanceOfElement(parent) then
element = pop.elements[element](parent, ...)
else
element = pop.elements[element](pop.screen, parent, ...)
end
if parent then
insert(parent.child, element)
end

23
lib/pop/init.lua
View File

@ -59,14 +59,31 @@ pop.load = function()
pop.screen = pop.create("element", false):setSize(graphics.getWidth(), graphics.getHeight())
return print("created \"pop.screen\"")
end
local instanceOfElement
instanceOfElement = function(object)
if object and object.__class then
local cls = object.__class
if cls.__name == "element" then
return true
end
while cls.__parent do
cls = cls.__parent
if cls.__name == "element" then
return true
end
end
end
return false
end
pop.create = function(element, parent, ...)
if parent == nil then
parent = pop.screen
end
if parent then
print(parent.__class, parent.__class.__name, parent.__class.__base, parent.__class.__parent)
end
if instanceOfElement(parent) then
element = pop.elements[element](parent, ...)
else
element = pop.elements[element](pop.screen, parent, ...)
end
if parent then
insert(parent.child, element)
end

18
src/pop/init.moon
View File

@ -52,25 +52,21 @@ pop.load = ->
print "created \"pop.screen\""
instanceOfElement = (object) ->
if object.__class
class = object.__class
if object and object.__class
cls = object.__class
if class.__name == "element"
if cls.__name == "element"
return true
while class.__parent
class = class.__parent
if class.__name == "element"
while cls.__parent
cls = cls.__parent
if cls.__name == "element"
return true
return false
-- creates an element with specified parent (parent can be false)
-- creates an element with specified parent (parent can be false or non-existent)
pop.create = (element, parent=pop.screen, ...) ->
--if parent
-- print parent.__class, parent.__class.__name, parent.__class.__base, parent.__class.__parent
--element = pop.elements[element](parent, ...)
if instanceOfElement parent
element = pop.elements[element](parent, ...)
else