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https://github.com/codeninjasllc/codecombat.git
synced 2024-12-22 05:22:24 -05:00
48 lines
1.3 KiB
CoffeeScript
48 lines
1.3 KiB
CoffeeScript
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module.exports = class DialogueAnimator
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jqueryElement: null
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childrenToAdd: null
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charsToAdd: null
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childAnimator: null
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constructor: (html, @jqueryElement) ->
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d = $('<div></div>').html(html)
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@childrenToAdd = _.map(d[0].childNodes, (e) -> return e)
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tick: ->
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if not @charsToAdd and not @childAnimator
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@addNextElement()
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if @charsToAdd
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@addSingleChar()
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return
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if @childAnimator
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@childAnimator.tick()
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if @childAnimator.done()
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@childAnimator = null
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addNextElement: ->
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return unless @childrenToAdd.length
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nextElem = @childrenToAdd[0]
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@childrenToAdd = @childrenToAdd[1..]
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if nextElem.nodeName is '#text'
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@charsToAdd = _.string.chars(nextElem.nodeValue)
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else
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value = nextElem.innerHTML
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newElem = $(nextElem).html('')
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@jqueryElement.append(newElem)
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if value
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@childAnimator = new DialogueAnimator(value, newElem)
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addSingleChar: ->
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@jqueryElement.html(@jqueryElement.html() + @charsToAdd[0])
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@charsToAdd = @charsToAdd[1..]
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if @charsToAdd.length is 0
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@charsToAdd = null
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done: ->
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return false if @childrenToAdd.length > 0
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return false if @charsToAdd
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return false if @childAnimator
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return true
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