YinYangのTemplateVarクラス for codeReview.cafe

part-of-yinyang.coffee

class TemplateVar extends Template
	constructor: (@parent = null, @value = '', @ignore = false) ->
		fs = @value.split '|'
		@value = fs.shift()
		@filters = (YinYang.createFilter f for f in fs)
		@children = []
	display: (localValues) ->
		@localValues = localValues
		v = if @value[0] == '@' then @displayDom() else @displayVar()
		v = filter.process v for filter in @filters
		v
	displayDom: -> $(@value.substring 1).html()
	displayVar: -> (@getLocalValue @value) or Template.getValue @value
	getLocalValue: (combinedKey) ->
		attrs = combinedKey.split '.'
		tv = @localValues
		tv = tv[attr] ? '' while attr = attrs.shift()
		tv