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# root.coffee

lib/psd/nodes/

¶

    _     = require 'lodash'
    Node  = require '../node.coffee'
    Group = require './group.coffee'
    Layer = require './layer.coffee'

    module.exports = class Root extends Node
      @layerForPsd: (psd) ->
        layer = {}
        layer[prop] = null for prop in Node.PROPERTIES

        layer.top = 0
        layer.left = 0
        layer.right = psd.header.width
        layer.bottom = psd.header.height
        layer

      type: 'root'

      constructor: (@psd) ->
        super Root.layerForPsd(@psd)
        @buildHeirarchy()

      documentDimensions: -> [
        @width,
        @height
      ]

      depth: -> 0
      opacity: -> 255
      fillOpacity: -> 255

      export: ->
        children: @_children.map((c) -> c.export())
        document:
          width: @width
          height: @height
          resources:
            layerComps: @psd.resources.resource('layerComps')?.export() or []
            guides: []
            slices: []

      buildHeirarchy: ->
        currentGroup = @
        parseStack = []

        for layer in @psd.layers
          if layer.isFolder()
            parseStack.push currentGroup
            currentGroup = new Group(layer, _.last(parseStack))
          else if layer.isFolderEnd()
            parent = parseStack.pop()
            parent.children().push currentGroup
            currentGroup = parent
          else
            currentGroup.children().push new Layer(layer, currentGroup)

        @updateDimensions()

generated Tue May 12 2015 10:08:58 GMT-0400 (EDT)