Panel:Receiver
Description
Allows the panel to receive drag and drop events. Can be called multiple times with different names to receive multiple different draggable panel events.
Arguments
1 string name
Name of DnD panels to receive. This is set on the drag'n'drop-able panels via Panel:Droppable
2 function func
This function is called whenever a panel with valid name is hovering above and dropped on this panel. It has next arguments:
- Panel pnl - The receiver panel
- table tbl - A table of panels dropped onto receiver panel
- boolean dropped - False if hovering over, true if dropped onto
- number menuIndex - Index of clicked menu item from third argument of Panel:Receiver
- number x - Cursor pos, relative to the receiver
- number y - Cursor pos, relative to the receiver
3 table menu
A table of strings that will act as a menu if drag'n'drop was performed with a right click
Example
A very simple drag'n'drop example without using DDragBase.
local function DoDrop( self, panels, bDoDrop, Command, x, y )
if ( bDoDrop ) then
for k, v in pairs( panels ) do
self:AddItem( v )
end
end
end
concommand.Add( "test2", function()
local frame = vgui.Create( "DFrame" )
frame:SetSize( 500, 300 )
frame:SetTitle( "Frame" )
frame:MakePopup()
frame:Center()
local left = vgui.Create( "DScrollPanel", frame )
left:Dock( LEFT )
left:SetWidth( frame:GetWide() / 2 - 7 )
left:SetPaintBackground( true )
left:DockMargin( 0, 0, 4, 0 )
left:Receiver( "myDNDname", DoDrop ) -- Make the panel a receiver for drag and drop events
local right = vgui.Create( "DScrollPanel", frame )
right:Dock( FILL )
right:SetPaintBackground( true )
right:Receiver( "myDNDname", DoDrop )
for i = 1, 30 do
local but = vgui.Create( "DButton" )
but:SetText( i )
but:SetSize( 36, 24 )
but:Dock( TOP )
but:Droppable( "myDNDname" ) -- make the panel be able to be drag'n'dropped onto other panels
right:AddItem( but )
end
end )
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