mirror of
https://github.com/TangentFoxy/Pop.Box.git
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115 lines
3.2 KiB
Plaintext
115 lines
3.2 KiB
Plaintext
--- A generic element every element must inherit from.
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--- @classmod element
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--- @copyright Paul Liverman III (2016)
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--- @license The MIT License (MIT)
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import graphics from love
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import floor from math
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class element
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--- Constructor expects nothing, or a data table describing it.
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--- @tparam ?Element|false parent The parent element.
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--- @tparam table data[opt] The data (state) for this element.
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--- @treturn element self
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new: (@parent, @data={}) =>
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if type(@data) != "table"
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@data = {}
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@data.parent = false unless @data.parent
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@data.child = {} unless @data.child
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@data.x = 0 unless @data.x
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@data.y = 0 unless @data.y
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@data.w = 0 unless @data.w
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@data.h = 0 unless @data.h
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@data.update = false if @data.update == nil
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@data.draw = true if @data.draw == nil
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@data.type = "element" unless @data.type
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@data.align = true if (@data.align == nil) and @parent
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@data.vertical = "top" unless @data.vertical
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@data.horizontal = "left" unless @data.horizontal
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@child = {}
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@align!
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--- Slightly modified from pop.debugDraw
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--- @see pop.debugDraw
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debugDraw: =>
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graphics.setLineWidth 1
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graphics.setColor 0, 20, 0, 100
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graphics.rectangle "fill", @data.x, @data.y, @data.w, @data.h
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graphics.setColor 150, 255, 150, 150
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graphics.rectangle "line", @data.x, @data.y, @data.w, @data.h
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graphics.setColor 200, 255, 200, 255
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graphics.print "e", @data.x, @data.y
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--- @todo doc me
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align: (horizontal, vertical, toPixel=true) =>
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unless @data.align return false
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@data.horizontal = horizontal if horizontal
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@data.vertical = vertical if vertical
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@data.x = @parent.data.x
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@data.y = @parent.data.y
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switch @data.horizontal
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when "center"
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@data.x += (@parent.data.w - @data.w) / 2
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when "right"
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@data.x += @parent.data.w - @data.w
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switch @data.vertical
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when "center"
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@data.y += (@parent.data.h - @data.h) / 2
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when "bottom"
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@data.y += @parent.data.h - @data.h
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if toPixel
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@data.x = floor @data.x
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@data.y = floor @data.y
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return @
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--- Sets an element's width/height.
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--- @tparam integer w[opt] Width.
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--- @tparam integer h[opt] Height.
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--- @treturn element self
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setSize: (w, h) =>
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if w
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@data.w = w
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if h
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@data.h = h
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return @
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--- Returns an element's width and height.
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--- @treturn integer Width.
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--- @treturn integer Height.
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getSize: =>
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return @data.w, @data.h
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--- Sets an element's width.
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--- @tparam integer w Width.
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--- @treturn element self
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setWidth: (w) =>
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@data.w = w
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return @
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--- Returns an element's width.
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--- @treturn integer Width.
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getWidth: =>
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return @data.w
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--- Sets an element's height.
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--- @tparam integer h Height.
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--- @treturn element self
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setHeight: (h) =>
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@data.h = h
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return @
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--- Returns an element's height.
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--- @treturn integer Height.
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getHeight: =>
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return @data.h
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