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Posted by totalstranger on 10/29/07 04:19
On or about 10/24/2007 12:08 PM, it came to pass that rynato@gmail.com
wrote:
> I have a <span> of width X px and height Y px. I want to read the text
> of an article, which is stored in a mySQL table, and pass to that
> <span> only just enough text to fit in it, along with a 'read more'
> hyperlink which will take the user to the full article. I do not want
> any overflow scroll bars to show. The font-size is set by external
> stylesheet in em's.
>
> How can I determine how much text is enough?
>
> Approaches I've thought of:
>
> -just set a semi-arbitrary number of characters, rounded to the
> nearest full word, which allows the text to fit in the given space in
> all browsers. Of course this approach won't take into account if the
> user sets his browser's font size larger than usual.
>
> -establish a table with em values for each character in a given font.
> Calculate the width of each line of text by adding up the em values,
> character by character, including letter spacing. Convert to pixels.
> Compare to the allowed pixel width of each line. Do the same for
> height, using line height instead of character width. Sounds like a
> lot of work, though!
>
> I've googled endlessly and haven't come up with very many ideas on how
> to work this through...
>
> anyone have any bright ideas? thx in adv
>
Not in PHP but with Javascript on the client sidte if that's allowed on
your page
function TextResize(el)
{
var e = document.getElementById(el)
if (e.scrollHeight > e.clientHeight)
e.style.height = e.scrollHeight + 'px';
}
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