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Fix #1960227 [[Enhancement - Content server] Don't display arrows on the cover on the Book details page if there are no previous/next book](https://bugs.launchpad.net/calibre/+bug/1960227)

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Kovid Goyal 2022-02-07 18:28:15 +05:30
parent 22aaea6073
commit d5201ff24d
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1 changed files with 7 additions and 2 deletions
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9
src/pyj/book_list/book_details.pyj
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@ -513,12 +513,17 @@ def render_book(container_id, book_id):
button_style += 'display: none;' button_style += 'display: none;'
def prev_next_button(is_prev): def prev_next_button(is_prev):
delta = -1 if is_prev else 1
nbid = book_after(book_id, delta)
s = button_style
if not nbid or nbid is book_id:
s += '; display: none'
return E.div( return E.div(
style=button_style, style=s,
title=_('Previous book [Ctrl+Left]') if is_prev else _('Next book [Ctrl+Right]'), title=_('Previous book [Ctrl+Left]') if is_prev else _('Next book [Ctrl+Right]'),
class_='next-book-button', class_='next-book-button',
svgicon('chevron-left' if is_prev else 'chevron-right'), svgicon('chevron-left' if is_prev else 'chevron-right'),
onclick=next_book.bind(None, book_id, (-1 if is_prev else 1)) onclick=next_book.bind(None, book_id, delta)
) )
imgdiv = E.div(style='position: relative', imgdiv = E.div(style='position: relative',