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ENHANCEMENT Text->FirstParagraph?() now works for <div> containers in HTML, as you may not always have paragraph tags.

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MINOR Added phpDoc comments above Text->FirstParagraph?() to note down the assumptions made with this method.

(Merged from r64271)



git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.2@73365 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sean Harvey 2009-03-19 03:06:15 +00:00 committed by Sam Minnee
parent 4a11206b3f
commit 8c2037a677
1 changed files with 25 additions and 11 deletions
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36
core/model/fieldtypes/Text.php
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@ -197,30 +197,44 @@ class Text extends DBField {
}
/**
* Caution: Not XML/HTML-safe - does not respect closing tags.
* Take the first paragraph (the first <p> or <div> block in
* the content HTML that can be found) and returns it.
*
* CAUTION: Not XML/HTML-safe - does not respect closing tags.
*
* @param boolean $plain Return plain text (1) or (0) HTML text
* @return string The first paragraph of content
*/
function FirstParagraph($plain = 1) {
// get first sentence?
// this needs to be more robust
if($plain && $plain != 'html') {
$data = Convert::xml2raw( $this->value, true );
if( !$data ) return "";
if(!$data) return '';
// grab the first paragraph, or, failing that, the whole content
if( strpos( $data, "\n\n" ) )
$data = substr( $data, 0, strpos( $data, "\n\n" ) );
if(strpos( $data, "\n\n")) $data = substr( $data, 0, strpos( $data, "\n\n" ) );
return $data;
} else {
if(strpos( $this->value, "</p>" ) === false) return $this->value;
$data = substr( $this->value, 0, strpos( $this->value, "</p>" ) + 4 );
if(strlen($data) < 20 && strpos( $this->value, "</p>", strlen($data) )) $data = substr( $this->value, 0, strpos( $this->value, "</p>", strlen($data) ) + 4 );
// Find out what the container element for limit paragraphs should be
// (div or p is supported)
if(strpos($this->value, '</div>')) {
$containerElement = '</div>';
} elseif(strpos($this->value, '</p>')) {
$containerElement = '</p>';
} else {
return $this->value;
}
return $data;
$data = substr($this->value, 0, strpos($this->value, $containerElement) + strlen($containerElement));
if(strlen($data) < 20 && strpos($this->value, $containerElement, strlen($data))) {
$data = substr($this->value, 0, strpos($this->value, $containerElement, strlen($data)) + strlen($containerElement));
}
return $data;
}
}