diff --git a/addons/web/static/src/js/view_tree.js b/addons/web/static/src/js/view_tree.js
index 363bf6258f1..2e1300ce267 100644
--- a/addons/web/static/src/js/view_tree.js
+++ b/addons/web/static/src/js/view_tree.js
@@ -63,6 +63,13 @@ instance.web.TreeView = instance.web.View.extend(/** @lends instance.web.TreeVie
         }
         return fields;
     },
+    store_record:function(records){
+        var self = this;
+        _(records).each(function (record) {
+            console.log(record.id);
+            self.records[record.id] = record;
+        });
+    },
     on_loaded: function (fields_view) {
         var self = this;
         var has_toolbar = !!fields_view.arch.attrs.toolbar;
@@ -87,17 +94,19 @@ instance.web.TreeView = instance.web.View.extend(/** @lends instance.web.TreeVie
         this.$element.addClass(this.fields_view.arch.attrs['class']);
 
         this.dataset.read_slice(this.fields_list()).then(function(records) {
+            self.store_record(records);
             if (!has_toolbar) {
                 // WARNING: will do a second read on the same ids, but only on
                 //          first load so not very important
-                self.getdata(null, _(records).pluck('id'));
+                self.render_data({'null':records})
+                self.getdata(_.pluck(records,"id"));
                 return;
             }
 
             var $select = self.$element.find('select')
                 .change(function () {
                     var $option = $(this).find(':selected');
-                    self.getdata($option.val(), $option.data('children'));
+                    self.getdata($option.val());
                 });
             _(records).each(function (record) {
                 self.records[record.id] = record;
@@ -134,6 +143,11 @@ instance.web.TreeView = instance.web.View.extend(/** @lends instance.web.TreeVie
             }).value();
     },
     expand_all: function(){
+        var self = this;
+        var tr = this.$element.find(".oe-treeview-table tbody tr[id^='treerow_']");
+        _.each(tr,function(rec){
+            self.showcontent($(rec).attr('data-id'),true);
+        });
     },
     collpase_all: function(){
         var self = this;
@@ -180,50 +194,45 @@ instance.web.TreeView = instance.web.View.extend(/** @lends instance.web.TreeVie
         });
 
         this.$element.delegate('.treeview-tr', 'click', function () {
-            var is_loaded = 0,
-                $this = $(this),
+            var $this = $(this),
                 record_id = $this.data('id'),
-                record = self.records[record_id],
-                children_ids = record[self.children_field];
-
-            _(children_ids).each(function(childid) {
-                if (self.$element.find('#treerow_' + childid).length) {
-                    if (self.$element.find('#treerow_' + childid).is(':hidden')) {
-                        is_loaded = -1;
-                    } else {
-                        is_loaded++;
-                    }
-                }
-            });
-            if (is_loaded === 0) {
-                if (!$this.parent().hasClass('oe_open')) {
-                    self.getdata(record_id, children_ids);
-                }
-            } else {
-                self.showcontent(record_id, is_loaded < 0);
-            }
+                bool = $this.parent().hasClass('oe_open');
+                self.showcontent(record_id, !bool);
         });
     },
     // get child data of selected value
-    getdata: function (id, children_ids) {
+    getdata: function (id) {
         var self = this;
-
-        self.dataset.read_ids(children_ids, this.fields_list()).then(function(records) {
-            _(records).each(function (record) {
-                self.records[record.id] = record;
-            });
-
-            var $curr_node = self.$element.find('#treerow_' + id);
+        var parent_child ={};
+        id = _.isArray(id)?id:parseInt(id); 
+        var ir_model_data = new instance.web.Model(this.model,{},[['id','child_of',id]]).query();
+        ir_model_data._execute().then(function(records){
+              self.store_record(records);
+             _.each(records,function(rec){
+                 if(rec[self.children_field].length === 0)return;
+                 parent_child[rec.id] = [];
+                 _.each(rec[self.children_field],function(key){
+                     parent_child[rec.id].push(self.records[key]);
+                 });
+             })
+             self.render_data(parent_child);
+        });
+    },
+    render_data: function(groupby){
+        var self = this;
+        console.log(groupby);
+        _.each(_.keys(groupby),function(key){
+            var $curr_node = self.$element.find('#treerow_' + key);
+            var record = groupby[key];
             var children_rows = QWeb.render('TreeView.rows', {
-                'records': records,
+                'records': record,
                 'children_field': self.children_field,
                 'fields_view': self.fields_view.arch.children,
                 'fields': self.fields,
-                'level': $curr_node.data('level') || 0,
+                'level': ($curr_node.data('level') || 0) + 1,
                 'render': instance.web.format_value,
                 'color_for': self.color_for
             });
-
             if ($curr_node.length) {
                 $curr_node.addClass('oe_open');
                 $curr_node.after(children_rows);
@@ -231,8 +240,10 @@ instance.web.TreeView = instance.web.View.extend(/** @lends instance.web.TreeVie
                 self.$element.find('tbody').html(children_rows);
             }
         });
+        self.collpase_all();
     },
 
+
     // Get details in listview
     activate: function(id) {
         var self = this;
@@ -254,7 +265,7 @@ instance.web.TreeView = instance.web.View.extend(/** @lends instance.web.TreeVie
             }
             return self.rpc('/web/session/eval_domain_and_context', {
                 contexts: [c], domains: []
-            }).pipe(function (res) {
+            }).pipe(function (res) {records
                 action.context = res.context;
                 return self.do_action(action);
             }, null);
diff --git a/addons/web/static/src/xml/base.xml b/addons/web/static/src/xml/base.xml
index 5b21802f91a..6e0bd2417f1 100644
--- a/addons/web/static/src/xml/base.xml
+++ b/addons/web/static/src/xml/base.xml
@@ -556,11 +556,11 @@
 <tr t-name="TreeView.rows"
         t-foreach="records" t-as="record"
         t-att-id="'treerow_' + record.id"
-        t-att-data-id="record.id" t-att-data-level="level + 1">
+        t-att-data-id="record.id" t-att-data-level="level">
     <t t-set="children" t-value="record[children_field]"/>
     <t t-set="class" t-value="children and children.length ? 'treeview-tr' : 'treeview-td'"/>
     <t t-set="rank" t-value="'oe-treeview-first'"/>
-    <t t-set="style" t-value="'background-position: ' + 19*level + 'px; padding-left: ' + 19*level + 'px;'"/>
+    <t t-set="style" t-value="'background-position: ' + 19*(level-1) + 'px; padding-left: ' + 19*(level-1) + 'px;'"/>
 
     <td t-foreach="fields_view" t-as="field"
         t-if="!field.attrs.modifiers.tree_invisible"