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avoid exception when switching between full and split pdf view

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This commit is contained in:
Brian Gough 2016-06-14 12:49:06 +01:00
parent 2840a7757f
commit 991d3c7aa1
1 changed files with 9 additions and 1 deletions
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10
services/web/public/coffee/ide/pdfng/directives/pdfViewer.coffee
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@ -516,7 +516,15 @@ define [
first = highlights[0]
pageNum = scope.pages[first.page].pageNum
# switching between split and full pdf views can cause
# highlights to appear before rendering
if !scope.pages
return # ignore highlight scroll if still rendering
pageNum = scope.pages[first.page]?.pageNum
if !pageNum?
return # ignore highlight scroll if page not found
# use a visual offset of 72pt to match the offset in PdfController syncToCode
scope.document.getPdfViewport(pageNum).then (viewport) ->