From d8984be74721499e37561b4191dd02be45a0c9a9 Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Fri, 23 Aug 2013 15:15:30 +0000
Subject: [PATCH] isDirty() method for whole template / etemplate2 object,
 thought it needs more work in widgets, not setting this._oldValue in their
 set_value() method

---
 etemplate/js/et2_widget_htmlarea.js |  2 ++
 etemplate/js/etemplate2.js          | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/etemplate/js/et2_widget_htmlarea.js b/etemplate/js/et2_widget_htmlarea.js
index 4fc6b909ef..df067037f0 100644
--- a/etemplate/js/et2_widget_htmlarea.js
+++ b/etemplate/js/et2_widget_htmlarea.js
@@ -145,6 +145,8 @@ var et2_htmlarea = et2_inputWidget.extend(
 		}
 	},
 	set_value: function(_value) {
+		this._oldValue = _value;
+
 		try {
 			//this.htmlNode.ckeditorGet().setData(_value);
 			var ckeditor = CKEDITOR.instances[this.dom_id];
diff --git a/etemplate/js/etemplate2.js b/etemplate/js/etemplate2.js
index 48230de26e..5e1f93f19f 100644
--- a/etemplate/js/etemplate2.js
+++ b/etemplate/js/etemplate2.js
@@ -301,6 +301,24 @@ etemplate2.prototype.load = function(_name, _url, _data, _callback)
 
 };
 
+/**
+ * Check if template contains any dirty (unsaved) content
+ * 
+ * @returns {Boolean}
+ */
+etemplate2.prototype.isDirty = function()
+{
+	var dirty = false;
+	this.widgetContainer.iterateOver(function(_widget) {
+		if (_widget.isDirty && _widget.isDirty())
+		{
+			dirty = true;
+		}
+	});
+
+	return dirty;
+};
+
 etemplate2.prototype.submit = function(button)
 {
 	// Get the form values