Add support for revert changes ...

mindplot/src/main/javascript/LocalStorageManager.js

@@ -27,7 +27,7 @@ mindplot.LocalStorageManager = new Class({
             events.onSuccess();
         },
 
-        discard : function(mapId) {
+        discardChanges : function(mapId) {
             localStorage.removeItem(mapId + "-xml");
         },
 

mindplot/src/main/javascript/Messages.js

@@ -21,7 +21,6 @@ mindplot.Messages = new Class({
         init:function (locale) {
             locale = $defined(locale) ? locale : 'en';
             mindplot.Messages.__bundle = mindplot.Messages.BUNDLES[locale];
-            console.log(mindplot.Messages.__bundle);
         }
     }
 });

mindplot/src/main/javascript/PersistenceManager.js

@@ -47,7 +47,7 @@ mindplot.PersistenceManager = new Class({
         return  this.loadFromDom(mapId, domDocument);
     },
 
-    discard: function(mapId) {
+    discardChanges: function(mapId) {
         throw "Method must be implemented";
     },
 

mindplot/src/main/javascript/RestPersistenceManager.js

@@ -18,39 +18,61 @@
 
 mindplot.RESTPersistenceManager = new Class({
         Extends:mindplot.PersistenceManager,
-        initialize: function(saveUrl) {
+        initialize:function (saveUrl, revertUrl) {
             this.parent();
             $assert(saveUrl, "saveUrl can not be null");
+            $assert(revertUrl, "revertUrl can not be null");
             this.saveUrl = saveUrl;
+            this.revertUrl = revertUrl;
         },
 
-        saveMapXml : function(mapId, mapXml, pref, saveHistory, events) {
+        saveMapXml:function (mapId, mapXml, pref, saveHistory, events) {
 
             var data = {
                 id:mapId,
-                xml: mapXml,
-                properties: pref
+                xml:mapXml,
+                properties:pref
             };
 
             var request = new Request({
                 url:this.saveUrl.replace("{id}", mapId) + "?minor=" + !saveHistory,
-                method: 'put',
-                onSuccess:function(responseText, responseXML) {
+                method:'put',
+                onSuccess:function (responseText, responseXML) {
                     events.onSuccess();
 
                 },
-                onException:function(headerName, value) {
+                onException:function (headerName, value) {
                     events.onError();
                 },
-                onFailure:function(xhr) {
+                onFailure:function (xhr) {
                     events.onError();
                 },
-                headers: {"Content-Type":"application/json","Accept":"application/json"},
+                headers:{"Content-Type":"application/json", "Accept":"application/json"},
                 emulation:false,
                 urlEncoded:false
             });
             request.put(JSON.encode(data));
+        },
+
+        discardChanges:function (mapId) {
+            var request = new Request({
+                url:this.revertUrl.replace("{id}", mapId),
+                async:false,
+                method:'post',
+                onSuccess:function () {
+                    console.log("Revert success ....");
+                },
+                onException:function () {
+                },
+                onFailure:function () {
+                },
+                headers:{"Content-Type":"application/json", "Accept":"application/json"},
+                emulation:false,
+                urlEncoded:false
+            });
+            request.post();
         }
+
     }
 );
 

mindplot/src/main/javascript/widget/IMenu.js

@@ -34,10 +34,10 @@ mindplot.widget.IMenu = new Class({
         });
     },
 
-    discard:function () {
+    discardChanges:function () {
         var persistenceManager = mindplot.PersistenceManager.getInstance();
         var mindmap = designer.getMindmap();
-        persistenceManager.discard(mindmap.getId());
+        persistenceManager.discardChanges(mindmap.getId());
     },
 
     save:function (saveElem, designer, saveHistory) {

mindplot/src/main/javascript/widget/Menu.js

@@ -321,7 +321,13 @@ mindplot.widget.Menu = new Class({
         var discardElem = $('discard');
         if (discardElem) {
             this._addButton('discard', false, false, function () {
-                this.discard();
+                // Avoid autosave before leaving the page ....
+                $(window).removeEvents(['beforeunload']);
+
+                // Discard changes ...
+                this.discardChanges();
+
+                // Reload the page ...
                 window.location.reload();
             }.bind(this));
             this._registerTooltip('discard', $msg('DISCARD_CHANGES'));