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lua/vgui/dtilelayout.lua
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286
lua/vgui/dtilelayout.lua
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--[[
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| This file was obtained through the combined efforts
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| of Madbluntz & Plymouth Antiquarian Society.
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| Credits: lifestorm, Gregory Wayne Rossel JR.,
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| Maloy, DrPepper10 @ RIP, Atle!
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| Visit for more: https://plymouth.thetwilightzone.ru/
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--]]
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local PANEL = {}
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AccessorFunc( PANEL, "m_iSpaceX", "SpaceX" )
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AccessorFunc( PANEL, "m_iSpaceY", "SpaceY" )
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AccessorFunc( PANEL, "m_iBorder", "Border" )
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AccessorFunc( PANEL, "m_iBaseSize", "BaseSize" )
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AccessorFunc( PANEL, "m_iMinHeight", "MinHeight" )
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function PANEL:Init()
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self:SetDropPos( "46" )
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self:SetMinHeight( 1 )
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self:SetSpaceX( 0 )
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self:SetSpaceY( 0 )
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self:SetBorder( 0 )
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self:SetBaseSize( 64 )
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self.LastW = 0
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self.LastH = 0
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self.Tiles = {}
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end
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function PANEL:Layout()
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self.LastW = 0
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self.LastH = 0
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self:InvalidateLayout()
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end
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function PANEL:FitsInTile( x, y, w, h )
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for a = x, x + ( w - 1 ) do
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for b = y, y + ( h - 1 ) do
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if ( self:GetTile( a, b ) == 1 ) then
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return false
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end
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end
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end
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return true
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end
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function PANEL:FindFreeTile( x, y, w, h )
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x = x or 1
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y = y or 1
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local span = math.floor( ( self:GetWide() - self:GetBorder() * 2 + self:GetSpaceX() ) / ( self:GetBaseSize() + self:GetSpaceX() ) )
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if ( span < 1 ) then span = 1 end
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for i = 1, span do
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-- Too long to fit on this line
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if ( ( i + ( w - 1 ) ) > span ) then
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-- If we're on the first part
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-- and the line is empty
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-- add it. It might be too long to fit on anyway
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if ( i == 1 && self:FitsInTile( i, y, w, h ) ) then
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return i, y
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end
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break
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end
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if ( self:FitsInTile( i, y, w, h ) ) then
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return i, y
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end
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end
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return self:FindFreeTile( 1, y + 1, w, h )
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end
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function PANEL:ClearTiles()
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self.Tiles = {}
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end
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function PANEL:GetTile( x, y )
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if ( !self.Tiles[y] ) then
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return nil
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end
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return self.Tiles[y][x]
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end
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function PANEL:SetTile( x, y, val )
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if ( !self.Tiles[y] ) then
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self.Tiles[y] = {}
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end
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self.Tiles[y][x] = val
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end
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function PANEL:ConsumeTiles( x, y, w, h )
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for a = x, x + ( w - 1 ) do
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for b = y, y + ( h - 1 ) do
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self:SetTile( a, b, 1 )
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end
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end
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end
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function PANEL:LayoutTiles()
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local StartLine = 1
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local tilesize = self:GetBaseSize()
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local MaxWidth = math.floor( ( self:GetWide() - self:GetBorder() * 2 + self:GetSpaceX() ) / ( tilesize + self:GetSpaceX() ) )
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self:ClearTiles()
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for k, v in ipairs( self:GetChildren() ) do
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if ( !v:IsVisible() ) then continue end
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local w = math.ceil( v:GetWide() / ( tilesize + self:GetSpaceX() ) )
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local h = math.ceil( v:GetTall() / ( tilesize + self:GetSpaceY() ) )
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if ( v.OwnLine ) then
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w = MaxWidth
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end
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local x, y = self:FindFreeTile( 1, StartLine, w, h )
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v:SetPos( self:GetBorder() + ( x - 1 ) * ( tilesize + self:GetSpaceX() ), self:GetBorder() + ( y - 1 ) * ( tilesize + self:GetSpaceY() ) )
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self:ConsumeTiles( x, y, w, h )
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if ( v.OwnLine ) then
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StartLine = y + 1
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end
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LastX = x
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end
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end
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function PANEL:PerformLayout()
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local ShouldLayout = false
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if ( self.LastW != self:GetWide() ) then ShouldLayout = true end
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if ( self.LastH != self:GetTall() ) then ShouldLayout = true end
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self.LastW = self:GetWide()
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self.LastH = self:GetTall()
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if ( ShouldLayout ) then
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self:LayoutTiles()
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end
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local w, h = self:ChildrenSize()
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h = math.max( h + self:GetBorder(), self:GetMinHeight() )
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self:SetHeight( h )
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end
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function PANEL:OnModified()
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-- Override me
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end
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function PANEL:OnChildRemoved()
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-- A panel got removed, we gotta recompress z positions
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for k, v in pairs( self:GetChildren() ) do
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v:SetZPos( k )
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end
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self:Layout()
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end
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function PANEL:OnChildAdded( child )
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-- Set the Z position for child ordering. Without this self:GetChildren() might return unpredictable results
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child:SetZPos( self:ChildCount() )
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local dn = self:GetDnD()
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if ( dn ) then
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child:Droppable( self:GetDnD() )
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end
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if ( self:IsSelectionCanvas() ) then
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child:SetSelectable( true )
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end
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self:Layout()
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end
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function PANEL:Copy()
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local copy = vgui.Create( "DTileLayout", self:GetParent() )
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copy:CopyBase( self )
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copy:SetSortable( self:GetSortable() )
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copy:SetDnD( self:GetDnD() )
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copy:SetSpaceX( self:GetSpaceX() )
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copy:SetSpaceY( self:GetSpaceY() )
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copy:SetBorder( self:GetBorder() )
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copy:SetSelectionCanvas( self:GetSelectionCanvas() )
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copy.OnModified = self.OnModified
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copy:CopyContents( self )
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return copy
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end
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function PANEL:CopyContents( from )
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for k, v in ipairs( from:GetChildren() ) do
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v:Copy():SetParent( self )
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end
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end
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function PANEL:GenerateExample( ClassName, PropertySheet, Width, Height )
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local pnl = vgui.Create( ClassName )
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pnl:MakeDroppable( "ExampleDraggable", false )
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pnl:SetWide( 196 )
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pnl:SetUseLiveDrag( true )
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pnl:SetSelectionCanvas( true )
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pnl:SetSpaceX( 4 )
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pnl:SetSpaceY( 8 )
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pnl:SetBorder( 10 )
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pnl:SetBaseSize( 32 )
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for i = 1, 10 do
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local btn = pnl:Add( "DButton" )
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btn:SetSize( 32, 32 )
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btn:SetText( i )
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end
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local btn_br = pnl:Add( "DButton" )
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btn_br:SetSize( 32, 32 )
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btn_br:SetText( "<br>" )
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btn_br.OwnLine = true
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for i = 1, 10 do
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local btn = pnl:Add( "DButton" )
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btn:SetSize( 32, 32 )
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btn:SetText( 10 + i )
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end
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PropertySheet:AddSheet( ClassName, pnl, nil, true, true )
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end
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derma.DefineControl( "DTileLayout", "", PANEL, "DDragBase" )
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