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MINOR Added todo and phpDoc to Text->ContextSummary()

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.3@69348 467b73ca-7a2a-4603-9d3b-597d59a354a9
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Sean Harvey 2008-12-17 04:20:31 +00:00 committed by Sam Minnee
parent 8bacc8b8ff
commit ac83f9d4d9
1 changed files with 16 additions and 1 deletions
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17
core/model/fieldtypes/Text.php
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@ -246,6 +246,22 @@ class Text extends DBField {
} }
} }
/**
* Perform context searching to give some context to searches, optionally
* highlighting the search term.
*
* @todo Would be useful for this to highlight each individual search keyword
* instead of the entire search query.
*
* @todo Allow selection of where the search query is coming from, instead of
* hardcoding $_REQUEST['Search']
*
* @param int $characters Number of characters in the summary
* @param boolean $string
* @param boolean $striphtml Strip HTML?
* @param boolean $highlight Add a highlight <span> element around search query?
* @return string
*/
function ContextSummary($characters = 500, $string = false, $striphtml = true, $highlight = true) { function ContextSummary($characters = 500, $string = false, $striphtml = true, $highlight = true) {
if(!$string) { if(!$string) {
// If no string is supplied, use the string from a SearchForm // If no string is supplied, use the string from a SearchForm
@ -261,7 +277,6 @@ class Text extends DBField {
// We want to search string to be in the middle of our block to give it some context // We want to search string to be in the middle of our block to give it some context
$position = max(0, $position - ($characters / 2)); $position = max(0, $position - ($characters / 2));
if($position > 0) { if($position > 0) {
// We don't want to start mid-word // We don't want to start mid-word
$position = max((int) strrpos(substr($text, 0, $position), ' '), (int) strrpos(substr($text, 0, $position), "\n")); $position = max((int) strrpos(substr($text, 0, $position), ' '), (int) strrpos(substr($text, 0, $position), "\n"));