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ahitrov@rambler.ru |
<% $LINE %> |
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<%args> |
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$p => 1 |
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$n => 10 |
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$size => 8 |
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$total => undef |
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$href => undef |
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$params => {} |
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$pname => 'p' |
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$delimiter => ' | ' |
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</%args> |
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<%init> |
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# хер знает, мож и хватит... |
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$p = 1 if $p > 10000; |
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# если !$href и файл страницы не является DirectoryIndex, напр: |
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# .../../gallery.html. а ссылка в нем относительная, напр: <a href="?param=1">, |
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# то IE перейдет на .../../gallery.html?param=1., а NN (4.x) перейдет на |
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# .../../?param=1.., следующий блок вытащит и подставит нужное имя файла. |
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# |
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if (!$href) |
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{ |
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$href = $r->uri(); |
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$href =~ s/\/([\w]{1,}(\.[sp]?html?))//; |
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$href = $1; |
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if ($href =~ /(index|default|main)$2/ ){ |
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$href = ''; |
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} |
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} |
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my @params; |
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while ( my ($key, $value) = each %$params ) { |
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next if $key eq $pname; |
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if ( ref $value eq 'ARRAY' ) { |
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push @params, ( map { "$key=$_" } @$value ); |
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} else { |
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push @params, "$key=$value"; |
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} |
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} |
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my $parts = int($total/$n) + ($total % $n ? 1 : 0); |
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return undef if ($parts <= 1); |
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my @parts; |
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my $mid_position = int($size/2); |
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my $left_pushed_border = $mid_position; |
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my $right_pushed_border = $parts - $mid_position; |
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my $LINE = ''; |
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my $left_border; |
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my $right_border; |
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if ($p >= $left_pushed_border) |
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{ |
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$left_border = $p-$mid_position+1; |
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$right_border = $left_border+$size-1; |
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} else { |
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$left_border = 1; |
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$right_border = $size; |
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} |
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if ($right_border > $parts) |
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{ |
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$left_border = $left_border-($right_border-$parts); |
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$right_border = $parts; |
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} |
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$left_border = 1 if ($left_border < 1); |
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# А не надо ли вставить [В начало]... |
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if ($left_border > 1) { |
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$params->{$pname} = 1; |
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$LINE .= "[<a href=\"$href?$pname=1".(@params ? '&'.join('&', @params) : '')."\">В начало</a>] "; |
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} |
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# А надо ли вставить [Пред.]... |
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if ($p > 1) |
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{ |
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$params->{$pname} = $p-1; |
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push(@parts, "<a title=\"Предыдущая страница\" href=\"$href?$pname=".($p-1).(@params ? '&'.join('&', @params) : '')."\"><<</a>"); |
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} |
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foreach my $pn ($left_border .. $right_border) |
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{ |
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$params->{$pname} = $pn; |
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push @parts, ($pn == $p) ? "<b>$pn</b>" : "<a href=\"$href?$pname=$pn".(@params ? '&'.join('&', @params) : '')."\">$pn</a>"; |
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} |
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# А надо ли вставить [След.]... |
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if ($p < $parts) |
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{ |
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$params->{$pname} = $p+1; |
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push(@parts, "<a title=\"Следующая страница\" href=\"$href?$pname=".($p+1).(@params ? '&'.join('&', @params) : '')."\">>></a>"); |
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} |
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$LINE .= join($delimiter, @parts); |
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# А не надо ли вставить [В конец]... |
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if ($right_border < $parts) |
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{ |
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$params->{$pname} = $parts; |
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$LINE .= " [<a href=\"$href?$pname=$parts".(@params ? '&'.join('&', @params) : '')."\">В конец</a>]"; |
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} |
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</%init> |
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<%doc> |
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Стандартная линеечка |
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</%doc> |
