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local TreeItem = {}
TreeItem.__index = TreeItem
function TreeItem:new( bounds, text, callbacks, styles, tooltip )
local object = setmetatable( {}, self )
object._gui = nil
object.spacing = 4 -- Between controls.
object.bounds = bounds:clone()
object.text = text
object.callbacks = callbacks -- select, open.
object.controls = {}
object.active = false
object.open = false -- Show controls.
object.visible = true
object.disabled = false
object.styles = styles
object.tooltip = tooltip
object._depth = 0
object._indentation = 0
object._id = 0 -- Id in treeView.
object._parent = nil
object._childId = 0 -- Id in parent controls.
return object
end
function TreeItem:update()
return RL.CheckCollisionPointRec( RL.GetMousePosition(), self.bounds )
end
function TreeItem:setOpenIcon()
if self.open then
return RL.GuiIconText( 120, "" )
else
return RL.GuiIconText( 119, "" )
end
end
function TreeItem:draw()
local buttonRect = Rectangle:new( 0, 0, 0, 0 )
local hasContainer = 0 < #self.controls
local lineCol = RL.GetColor( RL.GuiGetStyle( RL.DEFAULT, RL.LINE_COLOR ) )
if hasContainer then
buttonRect:set( self.bounds.x, self.bounds.y, self.bounds.height, self.bounds.height )
end
-- Draw indentation lines.
for i = 0, self._depth - 1 do
RL.DrawRectangle( {
self.bounds.x - i * self._indentation - self._indentation / 2,
self.bounds.y - self.spacing,
1,
self.bounds.height + self.spacing * 2
}, lineCol )
end
local toggleRect = Rectangle:new(
self.bounds.x + buttonRect.width,
self.bounds.y,
self.bounds.width - buttonRect.width,
self.bounds.height
)
local oldActive = self.active
_, self.active = RL.GuiToggle( toggleRect, self.text, self.active )
if self.callbacks.select and oldActive ~= self.active then
self.callbacks.select( self )
end
if hasContainer then
local pressed = RL.GuiLabelButton( buttonRect, self:setOpenIcon() )
if self.callbacks.open and 0 < pressed then
self.open = not self.open
self.callbacks.open( self )
end
end
end
function TreeItem:setPosition( pos )
self.bounds.x = pos.x
self.bounds.y = pos.y
end
function TreeItem:register( gui )
function gui:TreeItem( bounds, text, callbacks, styles, tooltip )
return self:addControl( TreeItem:new( bounds, text, callbacks, styles, tooltip ) )
end
end
return TreeItem
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