local LayoutHelpers = import('/lua/maui/layouthelpers.lua')

local Group = import('/lua/maui/group.lua').Group

--- A Group for arranging controls horizontally in fixed-width columns.

ColumnLayout = Class(Group) {

--- Create a new ColumnLayout

--

-- @param positions A list of values representing the x co-ordinate of the leftmost pixel of

-- each column.

-- @param widths A list of values representing the width of each column.

__init = function(self, parent, positions, widths)

Group.__init(self, parent)

self.positions = positions

self.widths = widths

self.numChildren = 0

end,

--- Add a control to the group, inserting it into the next available column.

AddChild = function(self, control)

self.numChildren = self.numChildren + 1

LayoutHelpers.SetWidth(control, self.widths[self.numChildren])

LayoutHelpers.AtLeftIn(control, self, self.positions[self.numChildren])

LayoutHelpers.AtVerticalCenterIn(control, self, 1)

end

}