mirror of
https://github.com/linux-man/LoveFrames.git
synced 2024-11-26 05:14:21 +00:00
985 lines
22 KiB
Lua
985 lines
22 KiB
Lua
--[[------------------------------------------------
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-- Love Frames - A GUI library for LOVE --
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-- Copyright (c) 2012-2014 Kenny Shields --
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--]]------------------------------------------------
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return function(loveframes)
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---------- module start ----------
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-- columnlist object
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local newobject = loveframes.NewObject("columnlist", "loveframes_object_columnlist", true)
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--[[---------------------------------------------------------
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- func: initialize()
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- desc: intializes the element
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--]]---------------------------------------------------------
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function newobject:initialize()
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self.type = "columnlist"
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self.width = 300
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self.height = 100
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self.defaultcolumnwidth = 100
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self.columnheight = 16
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self.buttonscrollamount = 200
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self.mousewheelscrollamount = 1500
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self.autoscroll = false
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self.dtscrolling = true
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self.internal = false
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self.selectionenabled = true
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self.multiselect = false
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self.startadjustment = false
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self.canresizecolumns = true
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self.children = {}
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self.internals = {}
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self.resizecolumn = nil
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self.OnRowClicked = nil
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self.OnRowRightClicked = nil
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self.OnRowSelected = nil
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self.OnScroll = nil
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local list = loveframes.objects["columnlistarea"]:new(self)
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table.insert(self.internals, list)
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self:SetDrawFunc()
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end
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--[[---------------------------------------------------------
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- func: update(deltatime)
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- desc: updates the object
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--]]---------------------------------------------------------
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function newobject:update(dt)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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local alwaysupdate = self.alwaysupdate
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if not visible then
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if not alwaysupdate then
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return
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end
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end
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local parent = self.parent
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local base = loveframes.base
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local children = self.children
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local internals = self.internals
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local update = self.Update
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self:CheckHover()
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-- move to parent if there is a parent
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if parent ~= base then
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self.x = self.parent.x + self.staticx
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self.y = self.parent.y + self.staticy
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end
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for k, v in ipairs(internals) do
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v:update(dt)
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end
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for k, v in ipairs(children) do
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v.columnid = k
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v:update(dt)
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end
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self.startadjustment = false
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if update then
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update(self, dt)
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end
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end
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--[[---------------------------------------------------------
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- func: draw()
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- desc: draws the object
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--]]---------------------------------------------------------
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function newobject:draw()
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if loveframes.state ~= self.state then
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return
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end
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if not self.visible then
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return
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end
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local vbody = self.internals[1]:GetVerticalScrollBody()
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local hbody = self.internals[1]:GetHorizontalScrollBody()
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local width = self.width
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local height = self.height
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if vbody then
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width = width - vbody.width
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end
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if hbody then
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height = height - hbody.height
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end
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local stencilfunc = function()
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love.graphics.rectangle("fill", self.x, self.y, width, height)
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end
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-- set the object's draw order
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self:SetDrawOrder()
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local drawfunc = self.Draw or self.drawfunc
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if drawfunc then
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drawfunc(self)
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end
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local internals = self.internals
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if internals then
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for k, v in ipairs(internals) do
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v:draw()
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end
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end
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love.graphics.stencil(stencilfunc)
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love.graphics.setStencilTest("greater", 0)
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local children = self.children
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if children then
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for k, v in ipairs(children) do
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v:draw()
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end
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end
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local drawfunc = self.DrawOver or self.drawoverfunc
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if drawfunc then
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drawfunc(self)
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end
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love.graphics.setStencilTest()
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end
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--[[---------------------------------------------------------
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- func: mousepressed(x, y, button)
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- desc: called when the player presses a mouse button
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--]]---------------------------------------------------------
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function newobject:mousepressed(x, y, button)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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if not visible then
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return
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end
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local hover = self.hover
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local children = self.children
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local internals = self.internals
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if hover and button == 1 then
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local baseparent = self:GetBaseParent()
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if baseparent and baseparent.type == "frame" then
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baseparent:MakeTop()
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end
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end
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for k, v in ipairs(internals) do
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v:mousepressed(x, y, button)
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end
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for k, v in ipairs(children) do
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v:mousepressed(x, y, button)
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end
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end
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--[[---------------------------------------------------------
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- func: mousereleased(x, y, button)
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- desc: called when the player releases a mouse button
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--]]---------------------------------------------------------
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function newobject:mousereleased(x, y, button)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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if not visible then
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return
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end
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local children = self.children
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local internals = self.internals
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for k, v in ipairs(internals) do
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v:mousereleased(x, y, button)
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end
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for k, v in ipairs(children) do
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v:mousereleased(x, y, button)
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end
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end
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--[[---------------------------------------------------------
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- func: PositionColumns()
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- desc: positions the object's columns
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--]]---------------------------------------------------------
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function newobject:PositionColumns()
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local x = 0
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for k, v in ipairs(self.children) do
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v:SetPos(x, 0)
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x = x + v.width
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end
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return self
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end
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--[[---------------------------------------------------------
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- func: AddColumn(name)
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- desc: gives the object a new column with the specified
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name
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--]]---------------------------------------------------------
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function newobject:AddColumn(name)
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local internals = self.internals
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local list = internals[1]
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local width = self.width
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local height = self.height
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loveframes.objects["columnlistheader"]:new(name, self)
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self:PositionColumns()
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list:SetSize(width, height)
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list:SetPos(0, 0)
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return self
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end
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--[[---------------------------------------------------------
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- func: AddRow(...)
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- desc: adds a row of data to the object's list
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--]]---------------------------------------------------------
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function newobject:AddRow(...)
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local arg = {...}
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local internals = self.internals
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local list = internals[1]
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list:AddRow(arg)
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return self
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end
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--[[---------------------------------------------------------
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- func: Getchildrenize()
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- desc: gets the size of the object's children
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--]]---------------------------------------------------------
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function newobject:GetColumnSize()
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local children = self.children
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local numchildren = #self.children
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if numchildren > 0 then
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local column = self.children[1]
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local colwidth = column.width
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local colheight = column.height
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return colwidth, colheight
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else
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return 0, 0
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end
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end
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--[[---------------------------------------------------------
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- func: SetSize(width, height, r1, r2)
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- desc: sets the object's size
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--]]---------------------------------------------------------
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function newobject:SetSize(width, height, r1, r2)
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local internals = self.internals
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local list = internals[1]
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if r1 then
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self.width = self.parent.width * width
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else
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self.width = width
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end
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if r2 then
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self.height = self.parent.height * height
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else
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self.height = height
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end
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self:PositionColumns()
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list:SetSize(width, height)
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list:SetPos(0, 0)
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list:CalculateSize()
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list:RedoLayout()
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return self
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end
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--[[---------------------------------------------------------
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- func: SetWidth(width, relative)
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- desc: sets the object's width
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--]]---------------------------------------------------------
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function newobject:SetWidth(width, relative)
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local internals = self.internals
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local list = internals[1]
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if relative then
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self.width = self.parent.width * width
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else
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self.width = width
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end
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self:PositionColumns()
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list:SetSize(width)
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list:SetPos(0, 0)
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list:CalculateSize()
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list:RedoLayout()
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return self
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end
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--[[---------------------------------------------------------
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- func: SetHeight(height, relative)
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- desc: sets the object's height
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--]]---------------------------------------------------------
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function newobject:SetHeight(height, relative)
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local internals = self.internals
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local list = internals[1]
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if relative then
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self.height = self.parent.height * height
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else
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self.height = height
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end
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self:PositionColumns()
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list:SetSize(height)
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list:SetPos(0, 0)
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list:CalculateSize()
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list:RedoLayout()
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return self
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end
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--[[---------------------------------------------------------
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- func: SetMaxColorIndex(num)
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- desc: sets the object's max color index for
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alternating row colors
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--]]---------------------------------------------------------
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function newobject:SetMaxColorIndex(num)
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local internals = self.internals
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local list = internals[1]
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list.colorindexmax = num
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return self
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end
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--[[---------------------------------------------------------
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- func: Clear()
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- desc: removes all items from the object's list
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--]]---------------------------------------------------------
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function newobject:Clear()
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local internals = self.internals
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local list = internals[1]
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list:Clear()
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return self
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end
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--[[---------------------------------------------------------
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- func: SetAutoScroll(bool)
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- desc: sets whether or not the list's scrollbar should
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auto scroll to the bottom when a new object is
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added to the list
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--]]---------------------------------------------------------
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function newobject:SetAutoScroll(bool)
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local internals = self.internals
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local list = internals[1]
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local scrollbar = list:GetScrollBar()
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self.autoscroll = bool
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if list then
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if scrollbar then
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scrollbar.autoscroll = bool
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end
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end
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return self
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end
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--[[---------------------------------------------------------
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- func: SetButtonScrollAmount(speed)
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- desc: sets the scroll amount of the object's scrollbar
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buttons
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--]]---------------------------------------------------------
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function newobject:SetButtonScrollAmount(amount)
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self.buttonscrollamount = amount
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self.internals[1].buttonscrollamount = amount
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return self
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end
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--[[---------------------------------------------------------
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- func: GetButtonScrollAmount()
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- desc: gets the scroll amount of the object's scrollbar
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buttons
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--]]---------------------------------------------------------
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function newobject:GetButtonScrollAmount()
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return self.buttonscrollamount
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end
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--[[---------------------------------------------------------
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- func: SetMouseWheelScrollAmount(amount)
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- desc: sets the scroll amount of the mouse wheel
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--]]---------------------------------------------------------
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function newobject:SetMouseWheelScrollAmount(amount)
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self.mousewheelscrollamount = amount
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self.internals[1].mousewheelscrollamount = amount
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return self
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end
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--[[---------------------------------------------------------
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- func: GetMouseWheelScrollAmount()
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- desc: gets the scroll amount of the mouse wheel
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--]]---------------------------------------------------------
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function newobject:GetButtonScrollAmount()
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return self.mousewheelscrollamount
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end
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--[[---------------------------------------------------------
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- func: SetColumnHeight(height)
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- desc: sets the height of the object's columns
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--]]---------------------------------------------------------
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function newobject:SetColumnHeight(height)
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local children = self.children
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local internals = self.internals
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local list = internals[1]
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self.columnheight = height
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for k, v in ipairs(children) do
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v:SetHeight(height)
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end
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list:CalculateSize()
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list:RedoLayout()
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return self
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end
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--[[---------------------------------------------------------
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- func: SetDTScrolling(bool)
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- desc: sets whether or not the object should use delta
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time when scrolling
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--]]---------------------------------------------------------
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function newobject:SetDTScrolling(bool)
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self.dtscrolling = bool
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self.internals[1].dtscrolling = bool
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return self
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end
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--[[---------------------------------------------------------
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- func: GetDTScrolling()
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- desc: gets whether or not the object should use delta
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time when scrolling
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--]]---------------------------------------------------------
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function newobject:GetDTScrolling()
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return self.dtscrolling
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end
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--[[---------------------------------------------------------
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- func: SelectRow(row, ctrl)
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- desc: selects the specfied row in the object's list
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of rows
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--]]---------------------------------------------------------
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function newobject:SelectRow(row, ctrl)
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local selectionenabled = self.selectionenabled
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if not selectionenabled then
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return
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end
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local list = self.internals[1]
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local children = list.children
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local multiselect = self.multiselect
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local onrowselected = self.OnRowSelected
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for k, v in ipairs(children) do
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if v == row then
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if v.selected and ctrl then
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v.selected = false
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else
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v.selected = true
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if onrowselected then
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onrowselected(self, row, row:GetColumnData())
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end
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end
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elseif v ~= row then
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if not (multiselect and ctrl) then
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v.selected = false
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end
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end
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end
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return self
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end
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--[[---------------------------------------------------------
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- func: DeselectRow(row)
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- desc: deselects the specfied row in the object's list
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of rows
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--]]---------------------------------------------------------
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function newobject:DeselectRow(row)
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row.selected = false
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return self
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end
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--[[---------------------------------------------------------
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- func: GetSelectedRows()
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- desc: gets the object's selected rows
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--]]---------------------------------------------------------
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function newobject:GetSelectedRows()
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local rows = {}
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local list = self.internals[1]
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local children = list.children
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for k, v in ipairs(children) do
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if v.selected then
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table.insert(rows, v)
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end
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end
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return rows
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end
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--[[---------------------------------------------------------
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- func: SetSelectionEnabled(bool)
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- desc: sets whether or not the object's rows can be
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selected
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--]]---------------------------------------------------------
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function newobject:SetSelectionEnabled(bool)
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self.selectionenabled = bool
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return self
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end
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|
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--[[---------------------------------------------------------
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- func: GetSelectionEnabled()
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- desc: gets whether or not the object's rows can be
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selected
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--]]---------------------------------------------------------
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function newobject:GetSelectionEnabled()
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return self.selectionenabled
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end
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--[[---------------------------------------------------------
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- func: SetMultiselectEnabled(bool)
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- desc: sets whether or not the object can have more
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than one row selected
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--]]---------------------------------------------------------
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function newobject:SetMultiselectEnabled(bool)
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self.multiselect = bool
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return self
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end
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--[[---------------------------------------------------------
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- func: GetMultiselectEnabled()
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- desc: gets whether or not the object can have more
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than one row selected
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--]]---------------------------------------------------------
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function newobject:GetMultiselectEnabled()
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return self.multiselect
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end
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--[[---------------------------------------------------------
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- func: RemoveColumn(id)
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- desc: removes a column
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--]]---------------------------------------------------------
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function newobject:RemoveColumn(id)
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local children = self.children
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for k, v in ipairs(children) do
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if k == id then
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v:Remove()
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end
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end
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return self
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|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SetColumnName(id, name)
|
|
- desc: sets a column's name
|
|
--]]---------------------------------------------------------
|
|
function newobject:SetColumnName(id, name)
|
|
|
|
local children = self.children
|
|
|
|
for k, v in ipairs(children) do
|
|
if k == id then
|
|
v.name = name
|
|
end
|
|
end
|
|
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: GetColumnName(id)
|
|
- desc: gets a column's name
|
|
--]]---------------------------------------------------------
|
|
function newobject:GetColumnName(id)
|
|
|
|
local children = self.children
|
|
|
|
for k, v in ipairs(children) do
|
|
if k == id then
|
|
return v.name
|
|
end
|
|
end
|
|
|
|
return false
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SizeToChildren(max)
|
|
- desc: sizes the object to match the combined height
|
|
of its children
|
|
- note: Credit to retupmoc258, the original author of
|
|
this method. This version has a few slight
|
|
modifications.
|
|
--]]---------------------------------------------------------
|
|
function newobject:SizeToChildren(max)
|
|
|
|
local oldheight = self.height
|
|
local list = self.internals[1]
|
|
local listchildren = list.children
|
|
local children = self.children
|
|
local width = self.width
|
|
local buf = children[1].height
|
|
local h = listchildren[1].height
|
|
local c = #listchildren
|
|
local height = buf + h*c
|
|
|
|
if max then
|
|
height = math.min(max, oldheight)
|
|
end
|
|
|
|
self:SetSize(width, height)
|
|
self:PositionColumns()
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: RemoveRow(id)
|
|
- desc: removes a row from the object's list
|
|
--]]---------------------------------------------------------
|
|
function newobject:RemoveRow(id)
|
|
|
|
local list = self.internals[1]
|
|
local listchildren = list.children
|
|
local row = listchildren[id]
|
|
|
|
if row then
|
|
row:Remove()
|
|
end
|
|
|
|
list:CalculateSize()
|
|
list:RedoLayout()
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SetCellText(text, rowid, columnid)
|
|
- desc: sets a cell's text
|
|
--]]---------------------------------------------------------
|
|
function newobject:SetCellText(text, rowid, columnid)
|
|
|
|
local list = self.internals[1]
|
|
local listchildren = list.children
|
|
local row = listchildren[rowid]
|
|
|
|
if row and row.columndata[columnid]then
|
|
row.columndata[columnid] = text
|
|
end
|
|
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: GetCellText(rowid, columnid)
|
|
- desc: gets a cell's text
|
|
--]]---------------------------------------------------------
|
|
function newobject:GetCellText(rowid, columnid)
|
|
|
|
local row = self.internals[1].children[rowid]
|
|
|
|
if row and row.columndata[columnid] then
|
|
return row.columndata[columnid]
|
|
else
|
|
return false
|
|
end
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SetRowColumnData(rowid, columndata)
|
|
- desc: sets the columndata of the specified row
|
|
--]]---------------------------------------------------------
|
|
function newobject:SetRowColumnData(rowid, columndata)
|
|
|
|
local list = self.internals[1]
|
|
local listchildren = list.children
|
|
local row = listchildren[rowid]
|
|
|
|
if row then
|
|
for k, v in ipairs(columndata) do
|
|
row.columndata[k] = tostring(v)
|
|
end
|
|
end
|
|
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: GetTotalColumnWidth()
|
|
- desc: gets the combined width of the object's columns
|
|
--]]---------------------------------------------------------
|
|
function newobject:GetTotalColumnWidth()
|
|
|
|
local width = 0
|
|
|
|
for k, v in ipairs(self.children) do
|
|
width = width + v.width
|
|
end
|
|
|
|
return width
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SetColumnWidth(id, width)
|
|
- desc: sets the width of the specified column
|
|
--]]---------------------------------------------------------
|
|
function newobject:SetColumnWidth(id, width)
|
|
|
|
local column = self.children[id]
|
|
if column then
|
|
column.width = width
|
|
local x = 0
|
|
for k, v in ipairs(self.children) do
|
|
v:SetPos(x)
|
|
x = x + v.width
|
|
end
|
|
self.internals[1]:CalculateSize()
|
|
self.internals[1]:RedoLayout()
|
|
end
|
|
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: GetColumnWidth(id)
|
|
- desc: gets the width of the specified column
|
|
--]]---------------------------------------------------------
|
|
function newobject:GetColumnWidth(id)
|
|
|
|
local column = self.children[id]
|
|
if column then
|
|
return column.width
|
|
end
|
|
|
|
return false
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: ResizeColumns()
|
|
- desc: resizes the object's columns to fit within the
|
|
width of the object's list area
|
|
--]]---------------------------------------------------------
|
|
function newobject:ResizeColumns()
|
|
|
|
local children = self.children
|
|
local width = 0
|
|
local vbody = self.internals[1]:GetVerticalScrollBody()
|
|
|
|
if vbody then
|
|
width = (self:GetWidth() - vbody:GetWidth())/#children
|
|
else
|
|
width = self:GetWidth()/#children
|
|
end
|
|
|
|
for k, v in ipairs(children) do
|
|
v:SetWidth(width)
|
|
self:PositionColumns()
|
|
self.internals[1]:CalculateSize()
|
|
self.internals[1]:RedoLayout()
|
|
end
|
|
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SetDefaultColumnWidth(width)
|
|
- desc: sets the object's default column width
|
|
--]]---------------------------------------------------------
|
|
function newobject:SetDefaultColumnWidth(width)
|
|
|
|
self.defaultcolumnwidth = width
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: GetDefaultColumnWidth()
|
|
- desc: gets the object's default column width
|
|
--]]---------------------------------------------------------
|
|
function newobject:GetDefaultColumnWidth()
|
|
|
|
return self.defaultcolumnwidth
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SetColumnResizeEnabled(bool)
|
|
- desc: sets whether or not the object's columns can
|
|
be resized
|
|
--]]---------------------------------------------------------
|
|
function newobject:SetColumnResizeEnabled(bool)
|
|
|
|
self.canresizecolumns = bool
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: GetColumnResizeEnabled()
|
|
- desc: gets whether or not the object's columns can
|
|
be resized
|
|
--]]---------------------------------------------------------
|
|
function newobject:GetColumnResizeEnabled()
|
|
|
|
return self.canresizecolumns
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SizeColumnToData(columnid)
|
|
- desc: sizes a column to the width of its largest data
|
|
string
|
|
--]]---------------------------------------------------------
|
|
function newobject:SizeColumnToData(columnid)
|
|
|
|
local column = self.children[columnid]
|
|
local list = self.internals[1]
|
|
local largest = 0
|
|
|
|
for k, v in ipairs(list.children) do
|
|
local width = v:GetFont():getWidth(self:GetCellText(k, columnid))
|
|
if width > largest then
|
|
largest = width + v.textx
|
|
end
|
|
end
|
|
|
|
if largest <= 0 then
|
|
largest = 10
|
|
end
|
|
|
|
self:SetColumnWidth(columnid, largest)
|
|
return self
|
|
|
|
end
|
|
|
|
--[[---------------------------------------------------------
|
|
- func: SetColumnOrder(curid, newid)
|
|
- desc: sets the order of the specified column
|
|
--]]---------------------------------------------------------
|
|
function newobject:SetColumnOrder(curid, newid)
|
|
|
|
local column = self.children[curid]
|
|
local totalcolumns = #self.children
|
|
|
|
if column and totalcolumns > 1 and newid <= totalcolumns and newid >= 1 then
|
|
column:Remove()
|
|
table.insert(self.children, newid, column)
|
|
self:PositionColumns()
|
|
end
|
|
|
|
return self
|
|
|
|
end
|
|
|
|
---------- module end ----------
|
|
end
|