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class @SingleFileDiff
WRAPPER = '<div class="diff-content diff-wrap-lines"></div>'
LOADING_HTML = '<i class="fa fa-spinner fa-spin"></i>'
ERROR_HTML = '<div class="nothing-here-block"><i class="fa fa-warning"></i> Could not load diff</div>'
COLLAPSED_HTML = '<div class="nothing-here-block diff-collapsed">This diff is collapsed. Click to expand it.</div>'
constructor: (@file) ->
@content = $('.diff-content', @file)
@diffForPath = @content.find('[data-diff-for-path]').data 'diff-for-path'
@isOpen = !@diffForPath
if @diffForPath
@collapsedContent = @content
@loadingContent = $(WRAPPER).addClass('loading').html(LOADING_HTML).hide()
@content = null
@collapsedContent.after(@loadingContent)
else
@collapsedContent = $(WRAPPER).html(COLLAPSED_HTML).hide()
@content.after(@collapsedContent)
@collapsedContent.on 'click', @toggleDiff
$('.file-title > a', @file).on 'click', @toggleDiff
toggleDiff: (e) =>
@isOpen = !@isOpen
if not @isOpen and not @hasError
@content.hide()
@collapsedContent.show()
else if @content
@collapsedContent.hide()
@content.show()
else
@getContentHTML()
getContentHTML: ->
@collapsedContent.hide()
@loadingContent.show()
$.get @diffForPath, (data) =>
@loadingContent.hide()
if data.html
@content = $(data.html)
@content.syntaxHighlight()
else
@hasError = true
@content = $(ERROR_HTML)
@collapsedContent.after(@content)
return
$.fn.singleFileDiff = ->
return @each ->
if not $.data this, 'singleFileDiff'
$.data this, 'singleFileDiff', new SingleFileDiff this
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