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New: dol_trunc has an option to make "exact" truncation (without adding

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... if truncation is done).
This commit is contained in:
Laurent Destailleur
2011-12-17 16:44:48 +01:00
parent cda132ea8c
commit 1aa75b847b
3 changed files with 134 additions and 103 deletions
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86
htdocs/core/lib/functions.lib.php
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@@ -1636,60 +1636,56 @@ function dol_print_graph($htmlid,$width,$height,$data,$showlegend=0,$type='pie',
* MAIN_DISABLE_TRUNC=1 can disable all truncings
*
* @param string $string String to truncate
* @param int $size Max string size. 0 for no limit.
* @param string $trunc Where to trunc: right, left, middle, wrap
* @param int $size Max string size visible. 0 for no limit. finale string size can be 1 more (if size was max+1) or 3 more (if we added ...)
* @param string $trunc Where to trunc: right, left, middle (size must be a 2 power), wrap
* @param string $stringencoding Tell what is source string encoding
* @param int $nodot Truncation do not add ... after truncation. So it's an exact truncation.
* @return string Truncated string
*/
function dol_trunc($string,$size=40,$trunc='right',$stringencoding='UTF-8')
function dol_trunc($string,$size=40,$trunc='right',$stringencoding='UTF-8',$nodot=0)
{
global $conf;
if ($size==0) return $string;
if (empty($conf->global->MAIN_DISABLE_TRUNC))
{
// We go always here
if ($trunc == 'right')
{
$newstring=dol_textishtml($string)?dol_string_nohtmltag($string,1):$string;
if (dol_strlen($newstring,$stringencoding) > ($size+1))
return dol_substr($newstring,0,$size,$stringencoding).'...';
else
return $string;
}
if ($trunc == 'middle')
{
$newstring=dol_textishtml($string)?dol_string_nohtmltag($string,1):$string;
if (dol_strlen($newstring,$stringencoding) > 2 && dol_strlen($newstring,$stringencoding) > ($size+1))
{
$size1=round($size/2);
$size2=round($size/2);
return dol_substr($newstring,0,$size1,$stringencoding).'...'.dol_substr($newstring,dol_strlen($newstring,$stringencoding) - $size2,$size2,$stringencoding);
}
else
return $string;
}
if ($trunc == 'left')
{
$newstring=dol_textishtml($string)?dol_string_nohtmltag($string,1):$string;
if (dol_strlen($newstring,$stringencoding) > ($size+1))
return '...'.dol_substr($newstring,dol_strlen($newstring,$stringencoding) - $size,$size,$stringencoding);
else
return $string;
}
if ($trunc == 'wrap')
{
$newstring=dol_textishtml($string)?dol_string_nohtmltag($string,1):$string;
if (dol_strlen($newstring,$stringencoding) > ($size+1))
return dol_substr($newstring,0,$size,$stringencoding)."\n".dol_trunc(dol_substr($newstring,$size,dol_strlen($newstring,$stringencoding)-$size,$stringencoding),$size,$trunc);
else
return $string;
}
}
else
if ($size==0 || ! empty($conf->global->MAIN_DISABLE_TRUNC)) return $string;
// We go always here
if ($trunc == 'right')
{
$newstring=dol_textishtml($string)?dol_string_nohtmltag($string,1):$string;
if (dol_strlen($newstring,$stringencoding) > ($size+($nodot?0:1)))
return dol_substr($newstring,0,$size,$stringencoding).($nodot?'':'...');
else
return $string;
}
elseif ($trunc == 'middle')
{
$newstring=dol_textishtml($string)?dol_string_nohtmltag($string,1):$string;
if (dol_strlen($newstring,$stringencoding) > 2 && dol_strlen($newstring,$stringencoding) > ($size+1))
{
$size1=round($size/2);
$size2=round($size/2);
return dol_substr($newstring,0,$size1,$stringencoding).'...'.dol_substr($newstring,dol_strlen($newstring,$stringencoding) - $size2,$size2,$stringencoding);
}
else
return $string;
}
elseif ($trunc == 'left')
{
$newstring=dol_textishtml($string)?dol_string_nohtmltag($string,1):$string;
if (dol_strlen($newstring,$stringencoding) > ($size+1))
return '...'.dol_substr($newstring,dol_strlen($newstring,$stringencoding) - $size,$size,$stringencoding);
else
return $string;
}
elseif ($trunc == 'wrap')
{
$newstring=dol_textishtml($string)?dol_string_nohtmltag($string,1):$string;
if (dol_strlen($newstring,$stringencoding) > ($size+1))
return dol_substr($newstring,0,$size,$stringencoding)."\n".dol_trunc(dol_substr($newstring,$size,dol_strlen($newstring,$stringencoding)-$size,$stringencoding),$size,$trunc);
else
return $string;
}
else return 'BadParam3CallingDolTrunc';
}