PrimeFaces TextArea AutoResize Patch

Index: src/main/resources/META-INF/resources/primefaces/forms/forms.js
===================================================================
--- src/main/resources/META-INF/resources/primefaces/forms/forms.js (revision 7443)
+++ src/main/resources/META-INF/resources/primefaces/forms/forms.js (working copy)
@@ -58,6 +58,12 @@
     },

     setupAutoResize: function() {
+        var suffix = "_reference", referenceContainerId = this.jqId + suffix;
+        this.referenceContainer = $(referenceContainerId);
+        if (this.referenceContainer.length != 1) {
+            this.referenceContainer = $(document.createElement('div')).attr('id', this.id + suffix).addClass("ui-inputfield ui-inputtextarea ui-inputtextarea-resizable-reference").appendTo($(document.body));
+        }
+
         var _self = this;

         this.jq.keyup(function() {
@@ -70,16 +76,10 @@
     },

     resize: function() {
-        var linesCount = 0,
-        lines = this.jq.val().split('\n');
-
-        for(var i = lines.length-1; i >= 0 ; --i) {
-            linesCount += Math.floor((lines[i].length / this.cfg.colsDefault) + 1);
-        }
-
-        var newRows = (linesCount >= this.cfg.rowsDefault) ? (linesCount + 1) : this.cfg.rowsDefault;
-
-        this.jq.attr('rows', newRows);
+        //Update reference container and resize text area
+        this.referenceContainer.width(this.jq.width());
+        this.referenceContainer.text(this.jq.val());
+        this.jq.height(this.referenceContainer.innerHeight());
     },

     applyMaxlength: function() {
@@ -1799,4 +1799,4 @@

         this._super(cfg);
     }
-});
\ No newline at end of file
+});
Index: src/main/resources/META-INF/resources/primefaces/forms/forms.css
===================================================================
--- src/main/resources/META-INF/resources/primefaces/forms/forms.css    (revision 7443)
+++ src/main/resources/META-INF/resources/primefaces/forms/forms.css    (working copy)
@@ -15,6 +15,15 @@
     resize:none;
 }

+.ui-inputtextarea-resizable-reference {
+    position: absolute;
+    bottom: 0;
+    right: 0;
+    white-space: pre-wrap;
+    word-wrap: break-word;
+    visibility: hidden;
+}
+
 .ui-selectonelistbox, .ui-selectmanymenu {
     width:100px;
     overflow:auto;
@@ -367,4 +376,4 @@

 .ui-password-panel-overlay {
     position: absolute;
-}
\ No newline at end of file
+}