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showmore now only count what is visible to know if it should act, fixes #1

This commit is contained in:
Domovoy 2012-07-23 20:07:15 +02:00
parent 5f22a40974
commit 7b786e0214
1 changed files with 26 additions and 1 deletions
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27
showmore/showmore.php
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@ -66,6 +66,31 @@ function showmore_addon_settings_post(&$a,&$b) {
}
}
function get_body_length($body) {
$string = trim($body);
// We need to get rid of hidden tags (display: none)
$dom = DomDocument::loadHTML($body);
$xpath = new DOMXPath($dom);
/*
* Checking any possible syntax of the style attribute with xpath is impossible
* So we just get any element with a style attribute, and check them with a regexp
*/
$xr = $xpath->query('//*[@style]');
foreach($xr as $node) {
if(preg_match('/.*display: *none *;.*/',$node->getAttribute('style'))) {
// Hidden, remove it from its parent
$node->parentNode->removeChild($node);
}
}
// Now we can get the body of our HTML DomDocument, it contains only what is visible
$string = $dom->saveHTML($dom->getElementsByTagName('body')->item(0));
$string = strip_tags($string);
return strlen($string);
}
function showmore_prepare_body(&$a,&$b) {
$words = null;
@ -76,7 +101,7 @@ function showmore_prepare_body(&$a,&$b) {
if(!$chars)
$chars = 1100;
if (strlen(strip_tags(trim($b['html']))) > $chars) {
if (get_body_length($b['html']) > $chars) {
$found = true;
$shortened = trim(showmore_cutitem($b['html'], $chars))."...";
}