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gamemodes/sandbox/gamemode/spawnmenu/creationmenu/content/contentcontainer.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+
+local PANEL = {}
+
+DEFINE_BASECLASS( "DScrollPanel" )
+
+AccessorFunc( PANEL, "m_pControllerPanel",			"ControllerPanel" )
+AccessorFunc( PANEL, "m_strCategoryName",			"CategoryName" )
+AccessorFunc( PANEL, "m_bTriggerSpawnlistChange",	"TriggerSpawnlistChange" )
+
+--[[---------------------------------------------------------
+	Name: Init
+-----------------------------------------------------------]]
+function PANEL:Init()
+
+	self:SetPaintBackground( false )
+
+	self.IconList = vgui.Create( "DTileLayout", self:GetCanvas() )
+	self.IconList:SetBaseSize( 64 )
+	self.IconList:MakeDroppable( "SandboxContentPanel", true )
+	self.IconList:SetSelectionCanvas( true )
+	--self.IconList:SetUseLiveDrag( true )
+	self.IconList:Dock( TOP )
+	self.IconList.OnModified = function() self:OnModified() end
+	self.IconList.OnMousePressed = function( s, btn )
+
+		-- A bit of a hack
+		s:EndBoxSelection()
+		if ( btn != MOUSE_RIGHT ) then DPanel.OnMousePressed( s, btn ) end
+
+	end
+	self.IconList.OnMouseReleased = function( s, btn )
+
+		DPanel.OnMouseReleased( s, btn )
+
+		if ( btn != MOUSE_RIGHT || s:GetReadOnly() ) then return end
+
+		local menu = DermaMenu()
+		menu:AddOption( "#spawnmenu.newlabel", function()
+
+			local label = vgui.Create( "ContentHeader" )
+			self:Add( label )
+
+			-- Move the label to player's cursor, but make sure it's per line, not per icon
+			local x, y = self.IconList:ScreenToLocal( input.GetCursorPos() )
+			label:MoveToAfter( self.IconList:GetClosestChild( self:GetCanvas():GetWide(), y ) )
+
+			self:OnModified()
+
+			-- Scroll to the newly added item
+			--[[timer.Simple( 0, function()
+				local x, y = label:GetPos()
+				self.VBar:AnimateTo( y - self:GetTall() / 2 + label:GetTall() / 2, 0.5, 0, 0.5 )
+			end )]]
+
+		end ):SetIcon( "icon16/text_heading_1.png" )
+		menu:Open()
+
+	end
+
+	self.IconList.ContentContainer = self
+
+end
+
+function PANEL:Add( pnl )
+
+	self.IconList:Add( pnl )
+
+	if ( pnl.InstallMenu ) then
+		pnl:InstallMenu( self )
+	end
+
+	self:Layout()
+
+end
+
+function PANEL:Layout()
+
+	self.IconList:Layout()
+	self:InvalidateLayout()
+
+end
+
+function PANEL:PerformLayout( w, h )
+
+	BaseClass.PerformLayout( self, w, h )
+	self.IconList:SetMinHeight( self:GetTall() - 16 )
+
+end
+
+--[[---------------------------------------------------------
+	Name: RebuildAll
+-----------------------------------------------------------]]
+function PANEL:RebuildAll( proppanel )
+
+	for k, v in ipairs( self.IconList:GetChildren() ) do
+
+		v:RebuildSpawnIcon()
+
+	end
+
+end
+
+--[[---------------------------------------------------------
+	Name: GetCount
+-----------------------------------------------------------]]
+function PANEL:GetCount()
+
+	return #self.IconList:GetChildren()
+
+end
+
+function PANEL:Clear()
+
+	self.IconList:Clear()
+
+end
+
+function PANEL:SetTriggerSpawnlistChange( bTrigger )
+
+	self.m_bTriggerSpawnlistChange = bTrigger
+	self.IconList:SetReadOnly( !bTrigger )
+
+end
+
+function PANEL:OnModified()
+
+	if ( !self:GetTriggerSpawnlistChange() ) then return end
+
+	hook.Run( "SpawnlistContentChanged" )
+
+end
+
+function PANEL:ContentsToTable( contentpanel )
+
+	local tab = {}
+
+	for k, v in ipairs( self.IconList:GetChildren() ) do
+
+		v:ToTable( tab )
+
+	end
+
+	return tab
+
+end
+
+function PANEL:Copy()
+
+	local copy = vgui.Create( "ContentContainer", self:GetParent() )
+	copy:CopyBase( self )
+
+	copy.IconList:CopyContents( self.IconList )
+
+	return copy
+
+end
+
+vgui.Register( "ContentContainer", PANEL, "DScrollPanel" )
+
+hook.Add( "SpawnlistOpenGenericMenu", "DragAndDropSelectionMenu", function( canvas )
+
+	if ( canvas:GetReadOnly() ) then return end
+
+	local selected = canvas:GetSelectedChildren()
+
+	local menu = DermaMenu()
+
+	-- This is less than ideal
+	local spawnicons = 0
+	local icon = nil
+	for id, pnl in pairs( selected ) do
+		if ( pnl.InternalAddResizeMenu ) then
+			spawnicons = spawnicons + 1
+			icon = pnl
+		end
+	end
+
+	if ( spawnicons > 0 ) then
+		icon:InternalAddResizeMenu( menu, function( w, h )
+
+			for id, pnl in pairs( selected ) do
+				if ( !pnl.InternalAddResizeMenu ) then continue end
+				pnl:SetSize( w, h )
+				pnl:InvalidateLayout( true )
+				pnl:GetParent():OnModified()
+				pnl:GetParent():Layout()
+				pnl:SetModel( pnl:GetModelName(), pnl:GetSkinID(), pnl:GetBodyGroup() )
+			end
+
+		end, language.GetPhrase( "spawnmenu.menu.resizex" ):format( spawnicons ) )
+
+		menu:AddOption( language.GetPhrase( "spawnmenu.menu.rerenderx" ):format( spawnicons ), function()
+			for id, pnl in pairs( selected ) do
+				if ( !pnl.RebuildSpawnIcon ) then continue end
+				pnl:RebuildSpawnIcon()
+			end
+		end ):SetIcon( "icon16/picture.png" )
+	end
+
+	menu:AddSpacer()
+
+	menu:AddOption( language.GetPhrase( "spawnmenu.menu.deletex" ):format( #selected ), function()
+
+		for k, v in pairs( selected ) do
+			v:Remove()
+		end
+
+		hook.Run( "SpawnlistContentChanged" )
+
+	end ):SetIcon( "icon16/bin_closed.png" )
+
+	menu:Open()
+
+end )