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zindex.module.coffee
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zindex.module.coffee
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Collection = require('lib/collection')
class ZIndex
constructor: (@stage) ->
@order = @stage.elements
bringForward: (element) ->
index = @order.indexOf(element)
if index isnt -1 or index isnt (@order.length - 1)
# Swap item forwards
@order[index] = @order[index + 1]
@order[index + 1] = element
@set()
bringBack: (element) ->
index = @order.indexOf(element)
if index isnt -1 or index isnt 0
# Swap item backwards
@order[index] = @order[index - 1]
@order[index - 1] = element
@set()
bringToFront: (element) ->
# Remove element
index = @order.indexOf(element)
@order.splice(index, 1)
# Add it to the end
@order.push(element)
@set()
bringToBack: (element) ->
# Remove element
index = @order.indexOf(element)
@order.splice(index, 1)
# Add it to the start
@order.unshift(element)
@set()
set: ->
for element, index in @order
element.order(index)
module.exports = ZIndex