From f73ff47d4b7ffef6a4a0e354fe32a58bd368087c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Sat, 20 Oct 2012 13:44:02 +0200
Subject: [PATCH] Add setCaret to WCF.js

---
 wcfsetup/install/files/js/WCF.js | 36 ++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/wcfsetup/install/files/js/WCF.js b/wcfsetup/install/files/js/WCF.js
index a86a5ebcf4..7f9249beec 100755
--- a/wcfsetup/install/files/js/WCF.js
+++ b/wcfsetup/install/files/js/WCF.js
@@ -338,6 +338,42 @@ $.fn.extend({
 		return $position;
 	},
 	
+	/**
+	 * Sets the caret position of current element. If the element
+	 * does not equal input[type=text], input[type=password] or
+	 * textarea, false is returned.
+	 * 
+	 * @param	integer		position
+	 * @return	boolean
+	 */
+	setCaret: function (position) {
+		if (this.getTagName() == 'input') {
+			if (this.attr('type') != 'text' && this.attr('type') != 'password') {
+				return false;
+			}
+		}
+		else if (this.getTagName() != 'textarea') {
+			return false;
+		}
+		
+		var $element = this.get(0);
+		
+		// set focus to enable caret on this element
+		this.focus();
+		if (document.selection) { // IE 8
+			var $selection = document.selection.createRange();
+			$selection.moveStart('character', position);
+			$selection.moveEnd('character', 0);
+			$selection.select();
+		}
+		else if ($element.selectionStart || $element.selectionStart == '0') { // Opera, Chrome, Firefox, Safari, IE 9+
+			$element.selectionStart = position;
+			$element.selectionEnd = position;
+		}
+		
+		return true;
+	},
+	
 	/**
 	 * Shows an element by sliding and fading it into viewport.
 	 * 
-- 
2.20.1