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122 lines
4.9 KiB
122 lines
4.9 KiB
--===========================================================================--
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-- --
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-- System.Collections.Array --
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-- --
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--===========================================================================--
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--===========================================================================--
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-- Author : kurapica125@outlook.com --
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-- URL : http://github.com/kurapica/PLoop --
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-- Create Date : 2018/03/20 --
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-- Update Date : 2018/03/20 --
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-- Version : 1.0.0 --
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--===========================================================================--
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PLoop(function(_ENV)
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namespace "System.Collections"
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import "System.Serialization"
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--- The array of objects with event control
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-- @usage
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-- class "A" {
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-- -- Property
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-- Name = { Type = String, Event = "OnNameChanged", Default = "Anonymous" };
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--
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-- -- Constructor
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-- A = function(self, name) self.Name = name end;
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-- }
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--
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-- -- The Array is a template class, you can specific the element class
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-- ar = Array[A](A("Ann"), A("Ben"), A("Coco"))
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--
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-- -- You can set event handler to all objects by assign it to the array
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-- function ar:OnNameChanged(new, old)
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-- print( ("%s -> %s"):format(old, new) )
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-- end
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__ObjFuncAttr__() __SuperObject__(false) __Serializable__()
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__NoRawSet__(false) __NoNilValue__(false) __Arguments__{ AnyType }( Any )
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class "Array" (function(_ENV, eletype)
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inherit (List[eletype])
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-----------------------------------------------------------
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-- helper --
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-----------------------------------------------------------
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local addeventlistener = function() end
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export {
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parseindex = Toolset.parseindex,
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getErrorMessage = Struct.GetErrorMessage,
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}
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if Interface.Validate(eletype) or Class.Validate(eletype) then
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export {
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getfeature = Interface.GetFeature,
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validevent = Event.Validate,
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rawget = rawget,
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rawset = rawset,
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pairs = pairs,
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tinsert = table.insert,
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ARRAY_EVENT = "__PLOOP_ARRAY_EVENT",
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}
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export { Event }
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function addeventlistener(self, obj)
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local evts = rawget(self, ARRAY_EVENT)
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if evts then
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for k, v in pairs(evts) do
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obj[k] = v
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end
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end
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end
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end
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-----------------------------------------------------------
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-- method --
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-----------------------------------------------------------
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if Interface.Validate(eletype) or Class.Validate(eletype) then
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__Arguments__{ Integer, eletype }
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function Insert(self, idx, obj)
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tinsert(self, idx, obj)
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addeventlistener(self, obj)
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end
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__Arguments__{ eletype }
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function Insert(self, obj)
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tinsert(self, obj)
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addeventlistener(self, obj)
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end
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end
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-----------------------------------------------------------
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-- meta-method --
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-----------------------------------------------------------
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if Interface.Validate(eletype) or Class.Validate(eletype) then
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__Arguments__{ String, Callable }
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function __newindex(self, key, value)
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local evt = getfeature(eletype, key)
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if evt and validevent(evt) then
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local evts = rawget(self, ARRAY_EVENT) or {}
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rawset(self, ARRAY_EVENT, evts)
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evts[key] = value
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self:Each(key, value)
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else
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error("The " .. tostring(eletype) .. " don't have an event named " .. tostring(key), 2)
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end
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end
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__Arguments__{ Number, eletype }
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__newindex = rawset
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else
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__Arguments__{ String, Callable }
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function __newindex(self, key)
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error("The " .. tostring(eletype) .. " don't have an event named " .. tostring(key), 2)
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end
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__Arguments__{ Number, eletype }
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__newindex = rawset
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end
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end)
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end)
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