From 202b7fd9b6841359d8e56a3947260293bef9b6d5 Mon Sep 17 00:00:00 2001
From: Sam Minnee <sam@silverstripe.com>
Date: Mon, 19 Nov 2007 02:03:30 +0000
Subject: [PATCH] parents-merge 41017 - Added Text::LimitSentences

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@45060 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 core/model/fieldtypes/Text.php | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/core/model/fieldtypes/Text.php b/core/model/fieldtypes/Text.php
index 2e0ee8903..124eb1f2d 100644
--- a/core/model/fieldtypes/Text.php
+++ b/core/model/fieldtypes/Text.php
@@ -57,6 +57,34 @@ class Text extends DBField {
 		
 		return $ret;
 	}
+
+	/**
+	 * Limit sentences, can be controlled by passing an integer.
+	 * @param int $sentCount The amount of sentences you want.
+	 */
+	function LimitSentences($sentCount = 2) {
+		$data = Convert::xml2raw($this->value);
+		$sentences = explode('.', $data);
+		if(count($sentences) == 1) {
+			return $sentences[0] . '.';
+		} elseif(count($sentences) > 1) {
+			if(is_numeric($sentCount) && $sentCount != 0) {
+				if($sentCount == 1) {
+					$output = $sentences[0] . '. ';						
+				} else {
+					for($i = 1; $i <= $sentCount-1; $i++) {
+						if($sentences[0]) {
+							$output .= $sentences[0] . '. ';
+						}
+						if($sentences[$i]) {
+							$output .= $sentences[$i] . '. ';		
+						}
+					}					
+				}
+				return $output;				
+			}
+		}
+	}
 	
 	/**
 	 * Caution: Not XML/HTML-safe - does not respect closing tags.