From 96d5517a9b9988d2b72bdb1b62d8872b58bc2100 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Wed, 17 Apr 2013 17:38:22 +0100
Subject: [PATCH] Update jQuery Autogrow Textarea Plugin to v3.0

---
 Vendorfile                                    |   6 ++
 .../assets/jquery/jquery.autogrowtextarea.js  | 101 +++++++++---------
 2 files changed, 56 insertions(+), 51 deletions(-)

diff --git a/Vendorfile b/Vendorfile
index d11ca37fc..43dd73fad 100644
--- a/Vendorfile
+++ b/Vendorfile
@@ -25,4 +25,10 @@ folder 'vendor/assets' do
       file 'leaflet.osm.js', 'leaflet-osm.js'
     end
   end
+
+  folder 'jquery' do
+    from 'git://github.com/jevin/Autogrow-Textarea.git' do
+      file 'jquery.autogrowtextarea.js', 'jquery.autogrowtextarea.js'
+    end
+  end
 end
diff --git a/vendor/assets/jquery/jquery.autogrowtextarea.js b/vendor/assets/jquery/jquery.autogrowtextarea.js
index 8666c5578..9a8f69417 100644
--- a/vendor/assets/jquery/jquery.autogrowtextarea.js
+++ b/vendor/assets/jquery/jquery.autogrowtextarea.js
@@ -1,61 +1,60 @@
-/*!
- * Autogrow Textarea Plugin Version v2.0
- * http://www.technoreply.com/autogrow-textarea-plugin-version-2-0
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <jevin9@gmail.com> wrote this file. As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return. Jevin O. Sewaruth
+ * ----------------------------------------------------------------------------
  *
- * Copyright 2011, Jevin O. Sewaruth
+ * Autogrow Textarea Plugin Version v3.0
+ * http://www.technoreply.com/autogrow-textarea-plugin-3-0
+ * 
+ * THIS PLUGIN IS DELIVERD ON A PAY WHAT YOU WHANT BASIS. IF THE PLUGIN WAS USEFUL TO YOU, PLEASE CONSIDER BUYING THE PLUGIN HERE :
+ * https://sites.fastspring.com/technoreply/instant/autogrowtextareaplugin
  *
- * Date: March 13, 2011
+ * Date: October 15, 2012
  */
-jQuery.fn.autoGrow = function(){
-	return this.each(function(){
-		// Variables
-		var colsDefault = this.cols;
-		var rowsDefault = this.rows;
-		
-		//Functions
-		var grow = function() {
-			growByRef(this);
+
+jQuery.fn.autoGrow = function() {
+	return this.each(function() {
+
+		var createMirror = function(textarea) {
+			jQuery(textarea).after('<div class="autogrow-textarea-mirror"></div>');
+			return jQuery(textarea).next('.autogrow-textarea-mirror')[0];
 		}
-		
-		var growByRef = function(obj) {
-			var linesCount = 0;
-			var lines = obj.value.split('\n');
-			
-			for (var i=lines.length-1; i>=0; --i)
-			{
-				linesCount += Math.floor((lines[i].length / colsDefault) + 1);
-			}
-
-			if (linesCount >= rowsDefault)
-				obj.rows = linesCount + 1;
-			else
-				obj.rows = rowsDefault;
+
+		var sendContentToMirror = function (textarea) {
+			mirror.innerHTML = String(textarea.value).replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/'/g, '&#39;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\n/g, '<br />') + '.<br/>.';
+
+			if (jQuery(textarea).height() != jQuery(mirror).height())
+				jQuery(textarea).height(jQuery(mirror).height());
 		}
-		
-		var characterWidth = function (obj){
-			var characterWidth = 0;
-			var temp1 = 0;
-			var temp2 = 0;
-			var tempCols = obj.cols;
-			
-			obj.cols = 1;
-			temp1 = obj.offsetWidth;
-			obj.cols = 2;
-			temp2 = obj.offsetWidth;
-			characterWidth = temp2 - temp1;
-			obj.cols = tempCols;
-			
-			return characterWidth;
+
+		var growTextarea = function () {
+			sendContentToMirror(this);
 		}
+
+		// Create a mirror
+		var mirror = createMirror(this);
 		
-		// Manipulations
-		this.style.width = "auto";
-		this.style.height = "auto";
+		// Style the mirror
+		mirror.style.display = 'none';
+		mirror.style.wordWrap = 'break-word';
+		mirror.style.padding = jQuery(this).css('padding');
+		mirror.style.width = jQuery(this).css('width');
+		mirror.style.fontFamily = jQuery(this).css('font-family');
+		mirror.style.fontSize = jQuery(this).css('font-size');
+		mirror.style.lineHeight = jQuery(this).css('line-height');
+
+		// Style the textarea
 		this.style.overflow = "hidden";
-		this.style.width = ((characterWidth(this) * this.cols) + 6) + "px";
-		this.onkeyup = grow;
-		this.onfocus = grow;
-		this.onblur = grow;
-		growByRef(this);
+		this.style.minHeight = this.rows+"em";
+
+		// Bind the textarea's event
+		this.onkeyup = growTextarea;
+
+		// Fire the event for text already present
+		sendContentToMirror(this);
+
 	});
 };
-- 
2.43.2