[MERGE] forward port branch 11.0 up to 2156af480fd

22 files changed, 395 insertions, 125 deletions

diff --git a/addons/account/models/account_invoice.py b/addons/account/models/account_invoice.py
index 1b385897262..35ae3065467 100644
--- a/addons/account/models/account_invoice.py
+++ b/addons/account/models/account_invoice.py
@@ -1424,7 +1424,7 @@ class AccountInvoice(models.Model):
         res = {}
         for line in self.tax_line_ids:
             res.setdefault(line.tax_id.tax_group_id, {'base': 0.0, 'amount': 0.0})
-            res[line.tax_id.tax_group_id]['amount'] += line.amount
+            res[line.tax_id.tax_group_id]['amount'] += line.amount_total
             res[line.tax_id.tax_group_id]['base'] += line.base
         res = sorted(res.items(), key=lambda l: l[0].sequence)
         res = [(
diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index cfe33be10ce..dc38e526693 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -481,7 +481,7 @@ class AccountMoveLine(models.Model):
     # TODO: put the invoice link and partner_id on the account_move
     invoice_id = fields.Many2one('account.invoice', oldname="invoice")
     partner_id = fields.Many2one('res.partner', string='Partner', ondelete='restrict')
-    user_type_id = fields.Many2one('account.account.type', related='account_id.user_type_id', index=True, store=True, oldname="user_type")
+    user_type_id = fields.Many2one('account.account.type', related='account_id.user_type_id', index=True, store=True, oldname="user_type", readonly=True)
     tax_exigible = fields.Boolean(string='Appears in VAT report', default=True,
         help="Technical field used to mark a tax line as exigible in the vat report or not (only exigible journal items are displayed). By default all new journal items are directly exigible, but with the feature cash_basis on taxes, some will become exigible only when the payment is recorded.")
     parent_state = fields.Char(compute="_compute_parent_state", help="State of the parent account.move")
diff --git a/addons/account/models/reconciliation_widget.py b/addons/account/models/reconciliation_widget.py
index c30c4232a02..246f7268478 100644
--- a/addons/account/models/reconciliation_widget.py
+++ b/addons/account/models/reconciliation_widget.py
@@ -330,6 +330,12 @@ class AccountReconciliation(models.AbstractModel):
             allowed_ids = set(Partner.browse(ids).ids)
             rows = [row for row in rows if row['partner_id'] in allowed_ids]
 
+        # Keep mode for future use in JS
+        if res_type == 'account':
+            mode = 'accounts'
+        else:
+            mode = 'customers' if account_type == 'receivable' else 'suppliers'
+
         # Fetch other data
         for row in rows:
             account = Account.browse(row['account_id'])
@@ -338,6 +344,7 @@ class AccountReconciliation(models.AbstractModel):
             partner_id = is_partner and row['partner_id'] or None
             rec_prop = self._get_move_line_reconciliation_proposition(account.id, partner_id)
             row['reconciliation_proposition'] = self._prepare_move_lines(rec_prop, target_currency=currency)
+            row['mode'] = mode
             row['company_id'] = account.company_id.id
 
         # Return the partners with a reconciliation proposition first, since they are most likely to
diff --git a/addons/account/report/account_aged_partner_balance.py b/addons/account/report/account_aged_partner_balance.py
index 32aaa2e3085..4be77ed65b2 100644
--- a/addons/account/report/account_aged_partner_balance.py
+++ b/addons/account/report/account_aged_partner_balance.py
@@ -150,7 +150,7 @@ class ReportAgedPartnerBalance(models.AbstractModel):
             partners_amount = {}
             aml_ids = cr.fetchall()
             aml_ids = aml_ids and [x[0] for x in aml_ids] or []
-            for line in self.env['account.move.line'].browse(aml_ids):
+            for line in self.env['account.move.line'].browse(aml_ids).with_context(prefetch_fields=False):
                 partner_id = line.partner_id.id or False
                 if partner_id not in partners_amount:
                     partners_amount[partner_id] = 0.0
diff --git a/addons/account/static/src/js/reconciliation/reconciliation_action.js b/addons/account/static/src/js/reconciliation/reconciliation_action.js
index 5dbe30ba482..37844f00b3a 100644
--- a/addons/account/static/src/js/reconciliation/reconciliation_action.js
+++ b/addons/account/static/src/js/reconciliation/reconciliation_action.js
@@ -43,6 +43,8 @@ var StatementAction = AbstractAction.extend(ControlPanelMixin, {
         LineRenderer: ReconciliationRenderer.LineRenderer,
         // used context params
         params: ['statement_ids'],
+        // number of statements/partners/accounts to display
+        defaultDisplayQty: 10,
         // number of moves lines displayed in 'match' mode
         limitMoveLines: 5,
     },
@@ -59,6 +61,7 @@ var StatementAction = AbstractAction.extend(ControlPanelMixin, {
         this.params = params;
         this.model = new this.config.Model(this, {
             modelName: "account.reconciliation.widget",
+            defaultDisplayQty: params.params && params.params.defaultDisplayQty || this.config.defaultDisplayQty,
             limitMoveLines: params.params && params.params.limitMoveLines || this.config.limitMoveLines,
         });
         this.widgets = [];
@@ -319,6 +322,7 @@ var ManualAction = StatementAction.extend({
         ActionRenderer: ReconciliationRenderer.ManualRenderer,
         LineRenderer: ReconciliationRenderer.ManualLineRenderer,
         params: ['company_ids', 'mode', 'partner_ids', 'account_ids'],
+        defaultDisplayQty: 30,
         limitMoveLines: 10,
     },
 
diff --git a/addons/account/static/src/js/reconciliation/reconciliation_model.js b/addons/account/static/src/js/reconciliation/reconciliation_model.js
index 93c06fe63df..0ed5377c0b8 100644
--- a/addons/account/static/src/js/reconciliation/reconciliation_model.js
+++ b/addons/account/static/src/js/reconciliation/reconciliation_model.js
@@ -109,7 +109,7 @@ var StatementModel = BasicModel.extend({
         this.valuenow = 0;
         this.valuemax = 0;
         this.alreadyDisplayed = [];
-        this.defaultDisplayQty = 10;
+        this.defaultDisplayQty = options && options.defaultDisplayQty || 10;
         this.limitMoveLines = options && options.limitMoveLines || 5;
     },
 
@@ -1176,6 +1176,17 @@ var ManualModel = StatementModel.extend({
     //--------------------------------------------------------------------------
 
     /**
+     * Return a boolean telling if load button needs to be displayed or not
+     *
+     * @returns {boolean} true if load more button needs to be displayed
+     */
+    hasMoreLines: function () {
+        if (this.manualLines.length > this.pagerIndex) {
+            return true;
+        }
+        return false;
+    },
+    /**
      * load data from
      * - 'account.reconciliation.widget' fetch the lines to reconciliate
      * - 'account.account' fetch all account code
@@ -1234,10 +1245,12 @@ var ManualModel = StatementModel.extend({
                             context: context,
                         })
                         .then(function (result) {
-                            var defs = _.map(result, self._formatLine.bind(self, context.mode));
+                            self.manualLines = result;
                             self.valuenow = 0;
-                            self.valuemax = Object.keys(self.lines).length;
-                            return $.when.apply($, defs);
+                            self.valuemax = Object.keys(self.manualLines).length;
+                            var lines = self.manualLines.splice(0, self.defaultDisplayQty);
+                            self.pagerIndex = lines.length;
+                            return self.loadData(lines);
                         });
                 case 'accounts':
                     return self._rpc({
@@ -1247,10 +1260,12 @@ var ManualModel = StatementModel.extend({
                             context: context,
                         })
                         .then(function (result) {
-                            var defs = _.map(result, self._formatLine.bind(self, 'accounts'));
+                            self.manualLines = result;
                             self.valuenow = 0;
-                            self.valuemax = Object.keys(self.lines).length;
-                            return $.when.apply($, defs);
+                            self.valuemax = Object.keys(self.manualLines).length;
+                            var lines = self.manualLines.splice(0, self.defaultDisplayQty);
+                            self.pagerIndex = lines.length;
+                            return self.loadData(lines);
                         });
                 default:
                     var partner_ids = context.partner_ids;
@@ -1266,17 +1281,47 @@ var ManualModel = StatementModel.extend({
                             context: context,
                         })
                         .then(function (result) {
-                            var defs = _.map(result.accounts, self._formatLine.bind(self, 'accounts'));
-                            defs = defs.concat(_.map(result.customers, self._formatLine.bind(self, 'customers')));
-                            defs = defs.concat(_.map(result.suppliers, self._formatLine.bind(self, 'suppliers')));
+                            // Flatten the result
+                            self.manualLines = [].concat(result.accounts, result.customers, result.suppliers)
                             self.valuenow = 0;
-                            self.valuemax = Object.keys(self.lines).length;
-                            return $.when.apply($, defs);
+                            self.valuemax = Object.keys(self.manualLines).length;
+                            var lines = self.manualLines.splice(0, self.defaultDisplayQty);
+                            self.pagerIndex = lines.length;
+                            return self.loadData(lines);
                         });
             }
         });
     },
     /**
+     * Load more partners/accounts
+     *
+     * @param {integer} qty quantity to load
+     * @returns {Deferred}
+     */
+    loadMore: function(qty) {
+        if (qty === undefined) {
+            qty = this.defaultDisplayQty;
+        }
+        var lines = this.manualLines.splice(this.pagerIndex, qty);
+        this.pagerIndex += qty;
+        return this.loadData(lines);
+    },
+    /**
+     * Method to load informations on lines
+     *
+     * @param {Array} lines manualLines to load
+     * @returns {Deferred}
+     */
+    loadData: function(lines) {
+        var self = this;
+        var defs = [];
+        _.each(lines, function (l) {
+            defs.push(self._formatLine(l.mode, l))
+        });
+        return $.when.apply($, defs);
+
+    },
+    /**
      * Mark the account or the partner as reconciled
      *
      * @param {(string|string[])} handle
diff --git a/addons/account/static/tests/reconciliation_tests.js b/addons/account/static/tests/reconciliation_tests.js
index 93a8a1818b4..38a72820223 100644
--- a/addons/account/static/tests/reconciliation_tests.js
+++ b/addons/account/static/tests/reconciliation_tests.js
@@ -436,12 +436,12 @@ var auto_reconciliation = {
 var data_for_manual_reconciliation_widget = {
     '[null,null]': {
         'customers': [
-            {'account_id': 287, 'partner_name': "Agrolait", 'reconciliation_proposition': [], 'currency_id': 3, 'max_date': "2017-02-14 12:30:31", 'last_time_entries_checked': null, 'account_code': "101200", 'partner_id': 8, 'account_name': "101200 Account Receivable"},
-            {'account_id': 7, 'partner_name': "Camptocamp", 'reconciliation_proposition': [], 'currency_id': 3, 'max_date': "2017-02-13 14:24:55", 'last_time_entries_checked': null, 'account_code': "101200", 'partner_id': 12, 'account_name': "101200 Account Receivable"}
+            {'account_id': 287, 'partner_name': "Agrolait", 'reconciliation_proposition': [], 'currency_id': 3, 'max_date': "2017-02-14 12:30:31", 'last_time_entries_checked': null, 'account_code': "101200", 'partner_id': 8, 'account_name': "101200 Account Receivable", 'mode': "customers"},
+            {'account_id': 7, 'partner_name': "Camptocamp", 'reconciliation_proposition': [], 'currency_id': 3, 'max_date': "2017-02-13 14:24:55", 'last_time_entries_checked': null, 'account_code': "101200", 'partner_id': 12, 'account_name': "101200 Account Receivable", 'mode': "customers"}
         ],
         'accounts': [
             {
-                'account_id': 283, 'account_name': "101000 Current Assets", 'currency_id': 3, 'max_date': "2017-02-16 14:32:04", 'last_time_entries_checked': "2017-02-16", 'account_code': "101000",
+                'account_id': 283, 'account_name': "101000 Current Assets", 'currency_id': 3, 'max_date': "2017-02-16 14:32:04", 'last_time_entries_checked': "2017-02-16", 'account_code': "101000", 'mode': "accounts",
                 'reconciliation_proposition': [
                     {'account_id': 283, 'account_type': "other", 'amount_currency_str': "", 'currency_id': false, 'date_maturity': "2017-02-16", 'date': "2017-02-16", 'total_amount_str': "$ 1,000.00", 'partner_id': 8, 'account_name': "101000 Current Assets", 'name': "BNK1/2017/0006: Customer Payment", 'partner_name': "Agrolait", 'total_amount_currency_str': "", 'id': 399, 'credit': 1000.0, 'journal_id': [3, "Bank"], 'amount_str': "$ 1,000.00", 'debit': 0.0, 'account_code': "101000", 'ref': "", 'already_paid': false},
                     {'account_id': 283, 'account_type': "other", 'amount_currency_str': "", 'currency_id': false, 'date_maturity': "2017-03-18", 'date': "2017-02-16", 'total_amount_str': "$ 1,000.00", 'partner_id': 8, 'account_name': "101000 Current Assets", 'name': "INV/2017/0006", 'partner_name': "Agrolait", 'total_amount_currency_str': "", 'id': 402, 'credit': 0.0, 'journal_id': [1, "Customer Invoices"], 'amount_str': "$ 1,000.00", 'debit': 1000.0, 'account_code': "101000", 'ref': "", 'already_paid': false}
@@ -455,20 +455,20 @@ var data_for_manual_reconciliation_widget = {
                     {'account_id': 284, 'account_type': "other", 'amount_currency_str': "", 'currency_id': false, 'date_maturity': "2017-02-16", 'date': "2017-02-16", 'total_amount_str': "$ 1,000.00", 'partner_id': 8, 'account_name': "101000 Current Assets", 'name': "BNK1/999: Customer Payment", 'partner_name': "Agrolait", 'total_amount_currency_str': "", 'id': 999, 'credit': 1000.0, 'journal_id': [3, "Bank"], 'amount_str': "$ 1,000.00", 'debit': 0.0, 'account_code': "111100", 'ref': "", 'already_paid': false},
                     {'account_id': 284, 'account_type': "other", 'amount_currency_str': "", 'currency_id': false, 'date_maturity': "2017-03-18", 'date': "2017-02-16", 'total_amount_str': "$ 1,000.00", 'partner_id': 8, 'account_name': "101000 Current Assets", 'name': "INV/998", 'partner_name': "Agrolait", 'total_amount_currency_str': "", 'id': 998, 'credit': 0.0, 'journal_id': [1, "Customer Invoices"], 'amount_str': "$ 1,000.00", 'debit': 1000.0, 'account_code': "111100", 'ref': "", 'already_paid': false}
                 ],
-                'currency_id': 3, 'max_date': "2017-02-14 12:36:05", 'last_time_entries_checked': null, 'account_code': "111100", 'partner_id': 8, 'account_name': "Account Payable"
+                'currency_id': 3, 'max_date': "2017-02-14 12:36:05", 'last_time_entries_checked': null, 'account_code': "111100", 'partner_id': 8, 'account_name': "Account Payable", 'mode': "suppliers"
             }, {
                 'account_id': 284, 'partner_name': "Camptocamp",
                 'reconciliation_proposition': [
                     {'account_id': 284, 'account_type': "other", 'amount_currency_str': "", 'currency_id': false, 'date_maturity': "2017-02-16", 'date': "2017-02-16", 'total_amount_str': "$ 1,000.00", 'partner_id': 12, 'account_name': "101000 Current Assets", 'name': "BNK1/1999: Customer Payment", 'partner_name': "Camptocamp", 'total_amount_currency_str': "", 'id': 1999, 'credit': 1000.0, 'journal_id': [3, "Bank"], 'amount_str': "$ 1,000.00", 'debit': 0.0, 'account_code': "111100", 'ref': "", 'already_paid': false},
                     {'account_id': 284, 'account_type': "other", 'amount_currency_str': "", 'currency_id': false, 'date_maturity': "2017-03-18", 'date': "2017-02-16", 'total_amount_str': "$ 1,000.00", 'partner_id': 12, 'account_name': "101000 Current Assets", 'name': "INV/1998", 'partner_name': "Camptocamp", 'total_amount_currency_str': "", 'id': 1998, 'credit': 0.0, 'journal_id': [1, "Customer Invoices"], 'amount_str': "$ 1,000.00", 'debit': 1000.0, 'account_code': "111100", 'ref': "", 'already_paid': false}
                 ],
-                'currency_id': 3, 'max_date': "2017-02-14 12:36:05", 'last_time_entries_checked': null, 'account_code': "111100", 'partner_id': 12, 'account_name': "Account Payable"
+                'currency_id': 3, 'max_date': "2017-02-14 12:36:05", 'last_time_entries_checked': null, 'account_code': "111100", 'partner_id': 12, 'account_name': "Account Payable", 'mode': "suppliers"
             }
         ]
     },
     '["partner",null,"receivable"]': [
-        {'account_id': 287, 'partner_name': "Agrolait", 'reconciliation_proposition': [], 'currency_id': 3, 'max_date': "2017-02-14 12:30:31", 'last_time_entries_checked': null, 'account_code': "101200", 'partner_id': 8, 'account_name': "101200 Account Receivable"},
-        {'account_id': 287, 'partner_name': "Camptocamp", 'reconciliation_proposition': [], 'currency_id': 3, 'max_date': "2017-02-13 14:24:55", 'last_time_entries_checked': null, 'account_code': "101200", 'partner_id': 12, 'account_name': "101200 Account Receivable"}
+        {'account_id': 287, 'partner_name': "Agrolait", 'reconciliation_proposition': [], 'currency_id': 3, 'max_date': "2017-02-14 12:30:31", 'last_time_entries_checked': null, 'account_code': "101200", 'partner_id': 8, 'account_name': "101200 Account Receivable", 'mode': "customers"},
+        {'account_id': 287, 'partner_name': "Camptocamp", 'reconciliation_proposition': [], 'currency_id': 3, 'max_date': "2017-02-13 14:24:55", 'last_time_entries_checked': null, 'account_code': "101200", 'partner_id': 12, 'account_name': "101200 Account Receivable", 'mode': "customers"}
     ]
 };
 
diff --git a/addons/account/wizard/account_reconcile.py b/addons/account/wizard/account_reconcile.py
index ea6aa9caae4..5706ada741f 100644
--- a/addons/account/wizard/account_reconcile.py
+++ b/addons/account/wizard/account_reconcile.py
@@ -39,7 +39,7 @@ class AccountMoveLineReconcile(models.TransientModel):
                 credit += line.credit
                 debit += line.debit
         precision = self.env.user.company_id.currency_id.decimal_places
-        writeoff = float_round(debit - credit, precision_digits=precision)
+        writeoff = float_round(debit - credit, precision_digits=precision) + 0.0 #remove -0.0 result
         credit = float_round(credit, precision_digits=precision)
         debit = float_round(debit, precision_digits=precision)
         return {'trans_nbr': len(lines), 'credit': credit, 'debit': debit, 'writeoff': writeoff}
diff --git a/addons/mrp/models/mrp_production.py b/addons/mrp/models/mrp_production.py
index de04da82b7f..39ebef74e21 100644
--- a/addons/mrp/models/mrp_production.py
+++ b/addons/mrp/models/mrp_production.py
@@ -439,6 +439,7 @@ class MrpProduction(models.Model):
         if move:
             if quantity > 0:
                 move[0].write({'product_uom_qty': quantity})
+                move.unit_factor = quantity / move.raw_material_production_id.product_qty
             elif quantity < 0:  # Do not remove 0 lines
                 if move[0].quantity_done > 0:
                     raise UserError(_('Lines need to be deleted, but can not as you still have some quantities to consume in them. '))
diff --git a/addons/point_of_sale/static/src/js/screens.js b/addons/point_of_sale/static/src/js/screens.js
index 63aff0fc7ef..f4ff433bf71 100644
--- a/addons/point_of_sale/static/src/js/screens.js
+++ b/addons/point_of_sale/static/src/js/screens.js
@@ -1558,11 +1558,21 @@ var ReceiptScreenWidget = ScreenWidget.extend({
         };
     },
     print_web: function() {
-        if($.browser.safari){
+        if ($.browser.safari) {
             document.execCommand('print', false, null);
-        }
-        else{
-            window.print();
+        } else {
+            try {
+                window.print();
+            } catch(err) {
+                if (navigator.userAgent.toLowerCase().indexOf("android") > -1) {
+                    this.gui.show_popup('error',{
+                        'title':_t('Printing is not supported on some android browsers'),
+                        'body': _t('Printing is not supported on some android browsers due to no default printing protocol is available. It is possible to print your tickets by making use of an IoT Box.'),
+                    });
+                } else {
+                    throw err;
+                }
+            }
         }
         this.pos.get_order()._printed = true;
     },
diff --git a/addons/report_intrastat/report/report_intrastat_report.py b/addons/report_intrastat/report/report_intrastat_report.py
index 2e274b3ec3b..83f412fd06e 100644
--- a/addons/report_intrastat/report/report_intrastat_report.py
+++ b/addons/report_intrastat/report/report_intrastat_report.py
@@ -36,12 +36,12 @@ class ReportIntrastat(models.Model):
                     intrastat.id as intrastat_id,
                     upper(inv_country.code) as code,
                     sum(case when inv_line.price_unit is not null
-                            then inv_line.price_unit * inv_line.quantity
+                            then inv_line.price_unit * (1.0 - coalesce(inv_line.discount, 0.0) / 100.0) * inv_line.quantity
                             else 0
                         end) as value,
                     sum(
-                        case when uom.category_id != puom.category_id then (pt.weight * inv_line.quantity)
-                        else (pt.weight * inv_line.quantity * uom.factor) end
+                        case when uom.category_id != puom.category_id then (coalesce(nullif(pp.weight, 0), pt.weight) * inv_line.quantity)
+                        else (coalesce(nullif(pp.weight, 0), pt.weight) * inv_line.quantity * uom.factor) end
                     ) as weight,
                     sum(
                         case when uom.category_id != puom.category_id then inv_line.quantity
diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index 69fbe44b14b..1e5df5ef030 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -3241,6 +3241,7 @@ var BasicModel = AbstractModel.extend({
         _.each(element._changes, function (command) {
             if (command.operation === 'DELETE' ||
                     command.operation === 'FORGET' ||
+                    (command.operation === 'ADD' &&  !command.isNew)||
                     command.operation === 'REMOVE_ALL') {
                 return;
             }
diff --git a/addons/web/static/tests/fields/relational_fields_tests.js b/addons/web/static/tests/fields/relational_fields_tests.js
index 61aaa29a664..875a6031f66 100644
--- a/addons/web/static/tests/fields/relational_fields_tests.js
+++ b/addons/web/static/tests/fields/relational_fields_tests.js
@@ -6246,6 +6246,51 @@ QUnit.module('relational_fields', {
         form.destroy();
     });
 
+    QUnit.test('one2many, onchange, edition and multipage...', function (assert) {
+        assert.expect(7);
+
+        this.data.partner.onchanges = {
+            turtles: function (obj) {
+                obj.turtles = [[5]].concat(obj.turtles);
+            }
+        };
+
+        this.data.partner.records[0].turtles = [1,2,3];
+
+        var form = createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch:'<form string="Partners">' +
+                    '<field name="turtles">' +
+                        '<tree editable="bottom" limit="2">' +
+                            '<field name="turtle_foo"/>' +
+                        '</tree>' +
+                    '</field>' +
+                '</form>',
+            res_id: 1,
+            mockRPC: function (route, args) {
+                assert.step(args.method + ' ' + args.model)
+                return this._super(route, args);
+            },
+            viewOptions: {
+                mode: 'edit',
+            },
+        });
+        form.$('.o_field_x2many_list_row_add a').click();
+        form.$('.o_field_x2many_list_row_add a').click();
+
+        assert.verifySteps([
+            'read partner',
+            'read turtle',
+            'default_get turtle',
+            'onchange partner',
+            'default_get turtle',
+            'onchange partner',
+        ]);
+        form.destroy();
+    });
+
     QUnit.test('one2many with CREATE onchanges correctly refreshed', function (assert) {
         assert.expect(5);
 
diff --git a/addons/web_editor/static/src/js/editor/rte.js b/addons/web_editor/static/src/js/editor/rte.js
index 1e745d7cceb..485edaad13c 100644
--- a/addons/web_editor/static/src/js/editor/rte.js
+++ b/addons/web_editor/static/src/js/editor/rte.js
@@ -42,7 +42,10 @@ var History = function History($editable) {
             $editable.removeAttr('contentEditable').removeProp('contentEditable');
         }
 
+        $editable.trigger('content_will_be_destroyed');
         $editable.html(oSnap.contents).scrollTop(oSnap.scrollTop);
+        $editable.trigger('content_was_recreated');
+
         $('.oe_overlay').remove();
         $('.note-control-selection').hide();
 
@@ -290,6 +293,20 @@ var RTEWidget = Widget.extend({
 
         var $editable = this.editable();
 
+        // When a undo/redo is performed, the whole DOM is changed so we have
+        // to prepare for it (website will restart animations for example)
+        // TODO should be better handled
+        $editable.on('content_will_be_destroyed', function (ev) {
+            self.trigger_up('content_will_be_destroyed', {
+                $target: $(ev.currentTarget),
+            });
+        });
+        $editable.on('content_was_recreated', function (ev) {
+            self.trigger_up('content_was_recreated', {
+                $target: $(ev.currentTarget),
+            });
+        });
+
         $editable.addClass('o_editable')
         .data('rte', this)
         .each(function () {
diff --git a/addons/web_editor/static/src/js/editor/snippets.editor.js b/addons/web_editor/static/src/js/editor/snippets.editor.js
index 999131020bf..2ec8506321c 100644
--- a/addons/web_editor/static/src/js/editor/snippets.editor.js
+++ b/addons/web_editor/static/src/js/editor/snippets.editor.js
@@ -340,6 +340,7 @@ var SnippetEditor = Widget.extend({
                 }
             },
         });
+        this.trigger_up('snippet_cloned', {$target: $clone});
     },
     /**
      * Called when the overlay dimensions/positions should be recomputed.
diff --git a/addons/website/static/src/js/menu/edit.js b/addons/website/static/src/js/menu/edit.js
index 0397b1f8aca..40da42a82d4 100644
--- a/addons/website/static/src/js/menu/edit.js
+++ b/addons/website/static/src/js/menu/edit.js
@@ -17,6 +17,9 @@ var EditPageMenu = websiteNavbarData.WebsiteNavbarActionWidget.extend({
         edit: '_startEditMode',
     }),
     custom_events: _.extend({}, websiteNavbarData.WebsiteNavbarActionWidget.custom_events || {}, {
+        content_will_be_destroyed: '_onContentWillBeDestroyed',
+        content_was_recreated: '_onContentWasRecreated',
+        snippet_cloned: '_onSnippetCloned',
         snippet_dropped: '_onSnippetDropped',
     }),
 
@@ -88,6 +91,44 @@ var EditPageMenu = websiteNavbarData.WebsiteNavbarActionWidget.extend({
     //--------------------------------------------------------------------------
 
     /**
+     * Called when content will be destroyed in the page. Notifies the
+     * WebsiteRoot that is should stop the animations.
+     *
+     * @private
+     * @param {OdooEvent} ev
+     */
+    _onContentWillBeDestroyed: function (ev) {
+        this.trigger_up('animation_stop_demand', {
+            $target: ev.data.$target,
+        });
+    },
+    /**
+     * Called when content will be recreated in the page. Notifies the
+     * WebsiteRoot that is should start the animations.
+     *
+     * @private
+     * @param {OdooEvent} ev
+     */
+    _onContentWasRecreated: function (ev) {
+        this.trigger_up('animation_start_demand', {
+            editableMode: true,
+            $target: ev.data.$target,
+        });
+    },
+    /**
+     * Called when a snippet is cloned in the page. Notifies the WebsiteRoot
+     * that is should start the animations for this snippet.
+     *
+     * @private
+     * @param {OdooEvent} ev
+     */
+    _onSnippetCloned: function (ev) {
+        this.trigger_up('animation_start_demand', {
+            editableMode: true,
+            $target: ev.data.$target,
+        });
+    },
+    /**
      * Called when a snippet is dropped in the page. Notifies the WebsiteRoot
      * that is should start the animations for this snippet.
      *
diff --git a/addons/website_sale/models/product.py b/addons/website_sale/models/product.py
index ba95563d790..465fcb1d153 100644
--- a/addons/website_sale/models/product.py
+++ b/addons/website_sale/models/product.py
@@ -5,7 +5,7 @@ from odoo.addons import decimal_precision as dp
 
 from odoo.tools import pycompat
 from odoo.tools.translate import html_translate
-from odoo.tools import float_is_zero
+from odoo.tools import float_compare
 
 
 class ProductStyle(models.Model):
@@ -199,8 +199,14 @@ class Product(models.Model):
         for p, p2 in pycompat.izip(self, self2):
             taxes = partner.property_account_position_id.map_tax(p.sudo().taxes_id.filtered(lambda x: x.company_id == company_id), p, partner)
             p.website_price = taxes.compute_all(p2.price, pricelist.currency_id, quantity=qty, product=p2, partner=partner)[ret]
-            price_without_pricelist = taxes.compute_all(p.list_price, pricelist.currency_id)[ret]
-            p.website_price_difference = False if float_is_zero(price_without_pricelist - p.website_price, precision_rounding=pricelist.currency_id.rounding) else True
+            # We must convert the price_without_pricelist in the same currency than the
+            # website_price, otherwise the comparison doesn't make sense. Moreover, we show a price
+            # difference only if the website price is lower
+            price_without_pricelist = p.list_price
+            if company_id.currency_id != pricelist.currency_id:
+                price_without_pricelist = company_id.currency_id.compute(price_without_pricelist, pricelist.currency_id)
+            price_without_pricelist = taxes.compute_all(price_without_pricelist, pricelist.currency_id)[ret]
+            p.website_price_difference = True if float_compare(price_without_pricelist, p.website_price, precision_rounding=pricelist.currency_id.rounding) > 0 else False
             p.website_public_price = taxes.compute_all(p2.lst_price, quantity=qty, product=p2, partner=partner)[ret]
 
     @api.multi
diff --git a/addons/website_sale/static/src/js/website_sale.js b/addons/website_sale/static/src/js/website_sale.js
index 3f325be94ec..86ed21a7312 100644
--- a/addons/website_sale/static/src/js/website_sale.js
+++ b/addons/website_sale/static/src/js/website_sale.js
@@ -90,6 +90,9 @@ odoo.define('website_sale.website_sale', function (require) {
             var product_ids = [];
             var product_dom = $(event.target).closest(".js_product").find(".js_add_cart_variants");
             var qty = $(event.target).closest('form').find('input[name="add_qty"]').val();
+            if ($('body').hasClass('editor_enable')) {
+                return;
+            }
             var attribute_value_ids = product_dom.data("attribute_value_ids");
             _.each(attribute_value_ids, function(entry) {
                 product_ids.push(entry[0]);
@@ -123,7 +126,7 @@ odoo.define('website_sale.website_sale', function (require) {
 
         $(oe_website_sale).on("change", ".oe_cart input.js_quantity[data-product-id]", function () {
           var $input = $(this);
-            if ($input.data('update_change')) {
+            if ($input.data('update_change') || $('body').hasClass('editor_enable')) {
                 return;
             }
           var value = parseInt($input.val() || 0, 10);
@@ -192,6 +195,9 @@ odoo.define('website_sale.website_sale', function (require) {
 
         // hack to add and remove from cart with json
         $(oe_website_sale).on('click', 'a.js_add_cart_json', function (ev) {
+            if ($('body').hasClass('editor_enable')) {
+                return;
+            }
             ev.preventDefault();
             var $link = $(ev.currentTarget);
             var $input = $link.parent().find("input");
diff --git a/odoo/addons/base/models/ir_property.py b/odoo/addons/base/models/ir_property.py
index 8c789f1f4bf..ddf8696a627 100644
--- a/odoo/addons/base/models/ir_property.py
+++ b/odoo/addons/base/models/ir_property.py
@@ -63,9 +63,9 @@ class Property(models.Model):
 
     @api.multi
     def _update_values(self, values):
-        value = values.pop('value', None)
-        if not value:
+        if 'value' not in values:
             return values
+        value = values.pop('value')
 
         prop = None
         type_ = values.get('type')
@@ -81,7 +81,9 @@ class Property(models.Model):
             raise UserError(_('Invalid type'))
 
         if field == 'value_reference':
-            if isinstance(value, models.BaseModel):
+            if not value:
+                value = False
+            elif isinstance(value, models.BaseModel):
                 value = '%s,%d' % (value._name, value.id)
             elif isinstance(value, pycompat.integer_types):
                 field_id = values.get('fields_id')
diff --git a/odoo/addons/test_new_api/tests/test_new_fields.py b/odoo/addons/test_new_api/tests/test_new_fields.py
index 266847481cc..6739a47422b 100644
--- a/odoo/addons/test_new_api/tests/test_new_fields.py
+++ b/odoo/addons/test_new_api/tests/test_new_fields.py
@@ -716,6 +716,12 @@ class TestFields(common.TransactionCase):
         self.assertEqual(record.sudo(user1).tag_id, tag0.browse())
         self.assertEqual(record.sudo(user2).tag_id, tag0)
 
+        record.sudo(user1).foo = False
+        record.invalidate_cache()
+        self.assertEqual(record.sudo(user0).foo, 'main')
+        self.assertEqual(record.sudo(user1).foo, False)
+        self.assertEqual(record.sudo(user2).foo, 'default')
+
         # create company record and attribute
         company_record = self.env['test_new_api.company'].create({'foo': 'ABC'})
         attribute_record = self.env['test_new_api.company.attr'].create({
diff --git a/odoo/addons/test_new_api/tests/test_onchange.py b/odoo/addons/test_new_api/tests/test_onchange.py
index 03cad7f4009..fc72c500e50 100644
--- a/odoo/addons/test_new_api/tests/test_onchange.py
+++ b/odoo/addons/test_new_api/tests/test_onchange.py
@@ -108,12 +108,12 @@ class TestOnChange(common.TransactionCase):
 
     def test_onchange_one2many(self):
         """ test the effect of onchange() on one2many fields """
-        BODY = "What a beautiful day!"
         USER = self.env.user
 
         # create an independent message
-        message = self.Message.create({'body': BODY})
-        self.assertEqual(message.name, "[%s] %s" % ('', USER.name))
+        message1 = self.Message.create({'body': "ABC"})
+        message2 = self.Message.create({'body': "ABC"})
+        self.assertEqual(message1.name, "[%s] %s" % ('', USER.name))
 
         field_onchange = self.Discussion._onchange_spec()
         self.assertEqual(field_onchange.get('name'), '1')
@@ -130,12 +130,14 @@ class TestOnChange(common.TransactionCase):
             'moderator': False,
             'participants': [],
             'messages': [
-                (4, message.id),
+                (4, message1.id),
+                (4, message2.id),
+                (1, message2.id, {'body': "XYZ"}),
                 (0, 0, {
                     'name': "[%s] %s" % ('', USER.name),
-                    'body': BODY,
+                    'body': "ABC",
                     'author': USER.id,
-                    'size': len(BODY),
+                    'size': 3,
                     'important': False,
                 }),
             ],
@@ -143,20 +145,27 @@ class TestOnChange(common.TransactionCase):
         self.env.cache.invalidate()
         result = self.Discussion.onchange(values, 'name', field_onchange)
         self.assertIn('messages', result['value'])
-        self.assertItemsEqual(result['value']['messages'], [
+        self.assertEqual(result['value']['messages'], [
             (5,),
-            (1, message.id, {
+            (1, message1.id, {
                 'name': "[%s] %s" % ("Foo", USER.name),
-                'body': message.body,
-                'author': message.author.name_get()[0],
-                'size': message.size,
-                'important': message.important,
+                'body': "ABC",
+                'author': USER.name_get()[0],
+                'size': 3,
+                'important': False,
+            }),
+            (1, message2.id, {
+                'name': "[%s] %s" % ("Foo", USER.name),
+                'body': "XYZ",          # this must be sent back
+                'author': USER.name_get()[0],
+                'size': 3,
+                'important': False,
             }),
             (0, 0, {
                 'name': "[%s] %s" % ("Foo", USER.name),
-                'body': BODY,
+                'body': "ABC",
                 'author': USER.name_get()[0],
-                'size': len(BODY),
+                'size': 3,
                 'important': False,
             }),
         ])
@@ -167,7 +176,8 @@ class TestOnChange(common.TransactionCase):
         result = self.Discussion.with_context(generate_dummy_message=True).onchange(values, 'name', one_level_fields)
         self.assertEqual(result['value']['messages'], [
             (5,),
-            (4, message.id),
+            (4, message1.id),
+            (4, message2.id),
             (0, 0, {}),
             (0, 0, {}),
         ])
@@ -259,12 +269,16 @@ class TestOnChange(common.TransactionCase):
             'name': partner2.name,
             'lines': [
                 (5,),
-                (1, line1.id, {'name': partner2.name,
-                               'partner': (partner2.id, partner2.name),
-                               'tags': [(5,)]}),
-                (0, 0, {'name': partner2.name,
-                        'partner': (partner2.id, partner2.name),
-                        'tags': [(5,)]}),
+                (1, line1.id, {
+                    'name': partner2.name,
+                    'partner': (partner2.id, partner2.name),
+                    'tags': [(5,)],
+                }),
+                (0, 0, {
+                    'name': partner2.name,
+                    'partner': (partner2.id, partner2.name),
+                    'tags': [(5,)],
+                }),
             ],
         })
 
@@ -280,18 +294,35 @@ class TestOnChange(common.TransactionCase):
         self.env.cache.invalidate()
 
         result = multi.onchange(values, 'partner', field_onchange)
-        self.assertEqual(result['value'], {
+        expected_value = {
             'name': partner2.name,
             'lines': [
                 (5,),
-                (1, line1.id, {'name': partner2.name,
-                               'partner': (partner2.id, partner2.name),
-                               'tags': [(5,)]}),
-                (0, 0, {'name': partner2.name,
-                        'partner': (partner2.id, partner2.name),
-                        'tags': [(5,), (0, 0, {'name': 'Tag'})]}),
+                (1, line1.id, {
+                    'name': partner2.name,
+                    'partner': (partner2.id, partner2.name),
+                    'tags': [(5,)],
+                }),
+                (0, 0, {
+                    'name': partner2.name,
+                    'partner': (partner2.id, partner2.name),
+                    'tags': [(5,), (0, 0, {'name': 'Tag'})],
+                }),
             ],
-        })
+        }
+        self.assertEqual(result['value'], expected_value)
+
+        # ensure ID is not returned when asked and a many2many record is set to be created
+        self.env.cache.invalidate()
+
+        result = multi.onchange(values, 'partner', dict(field_onchange, **{'lines.tags.id': None}))
+        self.assertEqual(result['value'], expected_value)
+
+        # ensure inverse of one2many field is not returned
+        self.env.cache.invalidate()
+
+        result = multi.onchange(values, 'partner', dict(field_onchange, **{'lines.multi': None}))
+        self.assertEqual(result['value'], expected_value)
 
     def test_onchange_specific(self):
         """ test the effect of field-specific onchange method """
@@ -323,8 +354,7 @@ class TestOnChange(common.TransactionCase):
         self.assertIn('participants', result['value'])
         self.assertItemsEqual(
             result['value']['participants'],
-            [(5,)] + [(1, user.id, {'display_name': user.display_name})
-                      for user in discussion.participants + demo],
+            [(5,)] + [(4, user.id) for user in discussion.participants + demo],
         )
 
     def test_onchange_default(self):
@@ -360,6 +390,8 @@ class TestOnChange(common.TransactionCase):
         self.assertEqual(len(discussion.messages), 3)
         messages = [(4, msg.id) for msg in discussion.messages]
         messages[0] = (1, messages[0][1], {'body': 'test onchange'})
+        lines = ["%s:%s" % (m.name, m.body) for m in discussion.messages]
+        lines[0] = "%s:%s" % (discussion.messages[0].name, 'test onchange')
         values = {
             'name': discussion.name,
             'moderator': demo.id,
@@ -370,8 +402,7 @@ class TestOnChange(common.TransactionCase):
         }
         result = discussion.onchange(values, 'messages', field_onchange)
         self.assertIn('message_concat', result['value'])
-        self.assertEqual(result['value']['message_concat'],
-                         "\n".join(["%s:%s" % (m.name, m.body) for m in discussion.messages]))
+        self.assertEqual(result['value']['message_concat'], "\n".join(lines))
 
     def test_onchange_one2many_with_domain_on_related_field(self):
         """ test the value of the one2many field when defined with a domain on a related field"""
@@ -417,28 +448,22 @@ class TestOnChange(common.TransactionCase):
             'categories': [(4, cat.id) for cat in discussion.categories],
             'messages': [(4, msg.id) for msg in discussion.messages],
             'participants': [(4, usr.id) for usr in discussion.participants],
-            'message_changes': 0,
             'important_messages': [(4, msg.id) for msg in discussion.important_messages],
             'important_emails': [(4, eml.id) for eml in discussion.important_emails],
         }
+        self.env.cache.invalidate()
         result = discussion.onchange(values, 'name', field_onchange)
 
-        # When one2many domain contains non-computed field, things are ok
-        self.assertEqual(result['value']['important_messages'],
-                         [(5,)] + [(4, msg.id) for msg in discussion.important_messages])
-
-        # But here with commit 5676d81, we get value of: [(2, email.id)]
         self.assertEqual(
             result['value']['important_emails'],
-            [(5,),
-             (1, email.id, {
-                 'name': u'[Foo Bar] %s' % USER.name,
-                 'body': email.body,
-                 'author': USER.name_get()[0],
-                 'important': True,
-                 'email_to': demo.email,
-                 'size': email.size,
-             })]
+            [(5,), (1, email.id, {
+                'name': u'[Foo Bar] %s' % USER.name,
+                'body': BODY,
+                'author': USER.name_get()[0],
+                'size': len(BODY),
+                'important': True,
+                'email_to': demo.email,
+            })],
         )
 
     def test_onchange_related(self):
diff --git a/odoo/models.py b/odoo/models.py
index e9304afa8ef..2843ba54ecd 100644
--- a/odoo/models.py
+++ b/odoo/models.py
@@ -852,6 +852,7 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
                 # avoid broken transaction) and keep going
                 cr.execute('ROLLBACK TO SAVEPOINT model_load_save')
             except Exception as e:
+                _logger.exception("Error while loading record")
                 message = (_(u'Unknown error during import:') + u' %s: %s' % (type(e), e))
                 moreinfo = _('Resolve other errors first')
                 messages.append(dict(info, type='error', message=message, moreinfo=moreinfo))
@@ -4981,31 +4982,101 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
         if not all(name in self._fields for name in names):
             return {}
 
-        # filter out keys in field_onchange that do not refer to actual fields
-        dotnames = []
-        for dotname in field_onchange:
-            try:
-                model = self.browse()
-                for name in dotname.split('.'):
-                    model = model[name]
-                dotnames.append(dotname)
-            except Exception:
-                pass
+        def PrefixTree(model, dotnames):
+            """ Return a prefix tree for sequences of field names. """
+            if not dotnames:
+                return {}
+            # group dotnames by prefix
+            suffixes = defaultdict(list)
+            for dotname in dotnames:
+                # name, *names = dotname.split('.', 1)
+                names = dotname.split('.', 1)
+                name = names.pop(0)
+                suffixes[name].extend(names)
+            # fill in prefix tree in fields order
+            tree = OrderedDict()
+            for name, field in model._fields.items():
+                if name in suffixes:
+                    tree[name] = subtree = PrefixTree(model[name], suffixes[name])
+                    if subtree and field.type == 'one2many':
+                        subtree.pop(field.inverse_name, None)
+            return tree
+
+        class Snapshot(dict):
+            """ A dict with the values of a record, following a prefix tree. """
+            __slots__ = ()
+
+            def __init__(self, record, tree):
+                # put record in dict to include it when comparing snapshots
+                super(Snapshot, self).__init__({'<record>': record, '<tree>': tree})
+                for name, subnames in tree.items():
+                    # x2many fields are serialized as a list of line snapshots
+                    self[name] = (
+                        [Snapshot(line, subnames) for line in record[name]]
+                        if subnames else record[name]
+                    )
+
+            def diff(self, other):
+                """ Return the values in ``self`` that differ from ``other``.
+                    Requires record cache invalidation for correct output!
+                """
+                record = self['<record>']
+                result = {}
+                for name, subnames in self['<tree>'].items():
+                    if (name == 'id') or (other.get(name) == self[name]):
+                        continue
+                    if not subnames:
+                        field = record._fields[name]
+                        result[name] = field.convert_to_onchange(self[name], record, {})
+                    else:
+                        # x2many fields: serialize value as commands
+                        result[name] = commands = [(5,)]
+                        for line_snapshot in self[name]:
+                            line = line_snapshot['<record>']
+                            if not line.id:
+                                # new line: send diff from scratch
+                                line_diff = line_snapshot.diff({})
+                                commands.append((0, line.id.ref or 0, line_diff))
+                            else:
+                                # existing line: check diff from database
+                                # (requires a clean record cache!)
+                                line_diff = line_snapshot.diff(Snapshot(line, subnames))
+                                if line_diff:
+                                    # send all fields because the web client
+                                    # might need them to evaluate modifiers
+                                    line_diff = line_snapshot.diff({})
+                                    commands.append((1, line.id, line_diff))
+                                else:
+                                    commands.append((4, line.id))
+                return result
+
+        nametree = PrefixTree(self.browse(), field_onchange)
+
+        # prefetch x2many lines without data (for the initial snapshot)
+        for name, subnames in nametree.items():
+            if subnames and values.get(name):
+                # retrieve all ids in commands, and read the expected fields
+                line_ids = []
+                for cmd in values[name]:
+                    if cmd[0] in (1, 4):
+                        line_ids.append(cmd[1])
+                    elif cmd[0] == 6:
+                        line_ids.extend(cmd[2])
+                lines = self.browse()[name].browse(line_ids)
+                lines.read(list(subnames), load='_classic_write')
 
         # create a new record with values, and attach ``self`` to it
         with env.do_in_onchange():
             record = self.new(values)
-            values = {name: record[name] for name in record._cache}
             # attach ``self`` with a different context (for cache consistency)
             record._origin = self.with_context(__onchange=True)
 
-        # load fields on secondary records, to avoid false changes
+        # make a snapshot based on the initial values of record
         with env.do_in_onchange():
-            for dotname in dotnames:
-                record.mapped(dotname)
+            snapshot0 = snapshot1 = Snapshot(record, nametree)
 
         # determine which field(s) should be triggered an onchange
-        todo = list(names) or list(values)
+        todo = list(names or nametree)
         done = set()
 
         # dummy assignment: trigger invalidations on the record
@@ -5021,7 +5092,6 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
                 record[name] = value
 
         result = {}
-        dirty = set()
 
         # process names in order (or the keys of values if no name given)
         while todo:
@@ -5035,34 +5105,17 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
                 if field_onchange.get(name):
                     record._onchange_eval(name, field_onchange[name], result)
 
-                # force re-evaluation of function fields on secondary records
-                for dotname in dotnames:
-                    record.mapped(dotname)
+                # make a snapshot (this forces evaluation of computed fields)
+                snapshot1 = Snapshot(record, nametree)
 
                 # determine which fields have been modified
-                for name, oldval in values.items():
-                    field = self._fields[name]
-                    newval = record[name]
-                    if newval != oldval or (
-                        field.type in ('one2many', 'many2many') and newval._is_dirty()
-                    ):
+                for name in nametree:
+                    if snapshot1[name] != snapshot0[name]:
                         todo.append(name)
-                        dirty.add(name)
-
-        # determine subfields for field.convert_to_onchange() below
-        Tree = lambda: defaultdict(Tree)
-        subnames = Tree()
-        for dotname in dotnames:
-            subtree = subnames
-            for name in dotname.split('.'):
-                subtree = subtree[name]
 
-        # collect values from dirty fields
-        with env.do_in_onchange():
-            result['value'] = {
-                name: self._fields[name].convert_to_onchange(record[name], record, subnames[name])
-                for name in dirty
-            }
+        # determine values that have changed by comparing snapshots
+        self.invalidate_cache()
+        result['value'] = snapshot1.diff(snapshot0)
 
         return result