Rails - Nov 2006 - long words killing HTML display

Hi, I''m trying to use word_wrap to prevent long 
''aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...'' from kill my
display
tables in HTML.  Problem is that word_wrap doesn''t dissect these long 
words and expects to only break them if it sees a ''\n''.  Does
anybody
know if Rails has a helper to do this, not that it is hard to implement 
on my own but jsut wondering if there''s something really clean that 
takes care of this and anything more.

Thanks.

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Had the same problem so I wrote this method:  put it into your helpers
and application.rb.  There might be a cleaner way using Regexp or
scan... this uses String.split()
str = the string to split
len = longest length of each piece
char = character to split them with
  # - split a long string into smaller pieces, at most "len"
characters
  #   in length.  "len" default is 10, if not supplied.
  # - returns the split string
  def split_str(str=nil, len=10, char=" ")
    len = 10 if len < 1
    work_str = str.to_s.split(//) if str
    return_str = ""
    i = 0
    if work_str
      work_str.each do |s|
        if (s == char || i == len)
          return_str += char
          return_str += s if s != char
          i = 0
        else
          return_str += s
          i += 1
        end
      end
    end
    return_str
  end


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On Wed, Nov 08, 2006 at 12:37:32AM -0800, Bart wrote:
} Had the same problem so I wrote this method:  put it into your helpers
} and application.rb.  There might be a cleaner way using Regexp or
} scan... this uses String.split()
} str = the string to split
} len = longest length of each piece
[19 lines of code elided]

Shorter, cleaner, more efficient, whitespace-preserving, and uses the HTML
wbr tag (which is a hint for word breaking and is supported well in FF and
IE, though poorly in Safari and not at all in Opera):

def split_str(str, len = 10)
  fragment = /.{#{len}}/
  str.split(/(\s+)/).map! { |word|
    (/\s/ === word) ? word : word.gsub(fragment, ''\0<wbr
/>'')
  }.join
end

Note that this will put a wbr tag at the end of words which have a length
evenly divisible by len; these can be removed with another gsub if desired,
but they are harmless. Note also that Rails does some annoying rewriting of
HTML output, and changes <wbr /> into <wbr> for no good reason. This
doesn''t affect how browsers render things, but it does mean the results
are
no longer XHTML-compliant.

--Greg


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Hey, I said there''s probobly a better way to do it.  Thanks Greg. 
I''ll
put your slimmed down version in.

Bart


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