From 52899110eee85466374871a960d0cc06abf8debf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20=C3=89vrard?= <nicoe@b2ck.com>
Date: Fri, 13 Mar 2015 16:45:47 +0100
Subject: [PATCH] Add autocompletion on M2O form widgets

review15051002
---
 bower.json    |   4 +-
 index.html    |   2 +
 src/common.js |  45 ++++++++++++++++++++++
 src/model.js  |   2 +-
 src/sao.less  |   4 ++
 src/tab.js    |   4 +-
 src/view.js   | 105 ++++++++++++++++++++++++++++++++++++++++++--------
 7 files changed, 146 insertions(+), 20 deletions(-)

diff --git a/bower.json b/bower.json
index 97ceec2bc0..5c765dfa48 100644
--- a/bower.json
+++ b/bower.json
@@ -18,7 +18,9 @@
     "jquery": "~2.1.1",
     "bootstrap": "~3.3.1",
     "moment": "~2.9.0",
-    "eonasdan-bootstrap-datetimepicker": "~4.0.0"
+    "eonasdan-bootstrap-datetimepicker": "~4.0.0",
+    "typeahead.js": "~0.10.5",
+    "typeahead.js-bootstrap3.less": "~0"
   },
   "devDependencies": {
     "qunit": "~1.17.1"
diff --git a/index.html b/index.html
index 6857392c99..03c8da8f9b 100644
--- a/index.html
+++ b/index.html
@@ -10,8 +10,10 @@ this repository contains the full copyright notices and license terms. -->
         <script type="text/javascript" src="bower_components/bootstrap/dist/js/bootstrap.min.js"></script>
         <script type="text/javascript" src="bower_components/moment/min/moment.min.js"></script>
         <script type="text/javascript" src="bower_components/eonasdan-bootstrap-datetimepicker/build/js/bootstrap-datetimepicker.min.js"></script>
+        <script type="text/javascript" src="bower_components/typeahead.js/dist/typeahead.bundle.js"></script>
         <link rel="stylesheet" href="bower_components/bootstrap/dist/css/bootstrap.css">
         <link rel="stylesheet" href="bower_components/eonasdan-bootstrap-datetimepicker/build/css/bootstrap-datetimepicker.min.css">
+        <link rel="stylesheet" href="bower_components/typeahead.js-bootstrap3.less/typeahead.css"/>
         <link rel="stylesheet" href="offcanvas.css">
         <script type="text/javascript" src="dist/sao.min.js"></script>
         <link rel="stylesheet" type="text/css" href="dist/sao.min.css"
diff --git a/src/common.js b/src/common.js
index 77bdb53078..5e2d10e238 100644
--- a/src/common.js
+++ b/src/common.js
@@ -2514,4 +2514,49 @@
         }
     });
     Sao.common.processing = new Sao.common.Processing();
+
+    Sao.common.get_completion = function(entry, source, match_selected,
+            search, create) {
+        entry.attr('autocomplete', 'off');
+        entry.typeahead({
+            'minLength': 1,
+            'highlight': true
+        }, {
+            'source': source,
+            'displayKey': 'rec_name'
+        });
+        entry.on('typeahead:selected', match_selected);
+    };
+    Sao.common.update_completion = function(entry, record, field, model,
+            domain) {
+        var prm = jQuery.Deferred();
+        var update = function(search_text, domain) {
+            if (entry.typeahead('val') != search_text) {
+                return prm.reject();
+            }
+            if (!search_text || !model) {
+                return prm.reject();
+            }
+            if (domain === undefined) {
+                domain = field.get_domain(record);
+            }
+            var context = field.get_context(record);
+            domain = [['rec_name', 'ilike', '%' + search_text + '%'], domain];
+
+            var sao_model = new Sao.Model(model);
+            var search_prm = sao_model.execute('search_read', [domain, 0,
+                    Sao.config.limit, null, ['rec_name']], context);
+            search_prm.then(function(results) {
+                if (entry.typeahead('val') != search_text) {
+                    return prm.reject();
+                }
+                // TODO search & create
+                prm.resolve(results);
+            }, prm.reject);
+        };
+
+        var search_text = entry.typeahead('val');
+        window.setTimeout(update, 300, search_text, domain);
+        return prm.promise();
+    };
 }());
diff --git a/src/model.js b/src/model.js
index 546992be59..174f271dc7 100644
--- a/src/model.js
+++ b/src/model.js
@@ -1975,7 +1975,7 @@
             var store_rec_name = function(rec_name) {
                 record._values[this.name + '.rec_name'] = rec_name;
             }.bind(this);
-            if (ref_model && ref_id >= 0) {
+            if (ref_model && ref_id !== null && ref_id >= 0) {
                 if (!rec_name && ref_id >= 0) {
                     Sao.rpc({
                         'method': 'model.' + ref_model + '.read',
diff --git a/src/sao.less b/src/sao.less
index 71cb592eed..d73ffa6d45 100644
--- a/src/sao.less
+++ b/src/sao.less
@@ -175,3 +175,7 @@
     width: 100%;
     z-index: 1000;
 }
+
+.tt-hint {
+    background-color: transparent !important;
+}
diff --git a/src/tab.js b/src/tab.js
index bd97fcf81e..69f6c58f96 100644
--- a/src/tab.js
+++ b/src/tab.js
@@ -42,7 +42,7 @@
                     '<div class="container-fluid">' +
                     '<div class="navbar-header">' +
                     '<button type="button" class="navbar-toggle collapsed" ' +
-                    'data-toggle="collapse" ' + 
+                    'data-toggle="collapse" ' +
                     'data-target="#navbar-' + this.id + '">' +
                     '<span class="sr-only">Toggle navigation</span>' +
                     '<span class="icon-bar"></span>' +
@@ -401,7 +401,7 @@
                 test_modified = true;
             }
             var reload = function() {
-                this.screen.cancel_current().then(function() {
+                return this.screen.cancel_current().then(function() {
                     this.screen.save_tree_state(false);
                     if (this.screen.current_view.view_type != 'form') {
                         this.screen.search_filter(
diff --git a/src/view.js b/src/view.js
index bb65f5bc76..ac8c73eb4b 100644
--- a/src/view.js
+++ b/src/view.js
@@ -2249,7 +2249,12 @@
                 'class': 'glyphicon glyphicon-search'
             })).appendTo(buttons);
             this.but_open.click(this.edit.bind(this));
-            // TODO autocompletion
+            if (!attributes.completion || attributes.completion == "1") {
+                Sao.common.get_completion(this.entry,
+                        this._update_completion.bind(this),
+                        this._completion_match_selected.bind(this));
+                this.wid_completion = true;
+            }
             this._readonly = false;
         },
         get_screen: function() {
@@ -2268,16 +2273,77 @@
             if (jQuery.isEmptyObject(value)) {
                 value = '';
             }
-            this.entry.val(value);
+            this.value(value);
+        },
+        // This function is required because once typeahead is activated on an
+        // entry then .val() function should not be used anymore.
+        // In order to keep the same semantics as .val() we use the same
+        // signature
+        value: function(value) {
+            if (this.wid_completion) {
+                if (!arguments.length) {
+                    return this.entry.typeahead('val');
+                } else {
+                    return this.entry.typeahead('val', value);
+                }
+            } else {
+                if (!arguments.length) {
+                    return this.entry.val();
+                } else {
+                    return this.entry.val(value);
+                }
+            }
+
+        },
+        get_text: function() {
+            var record = this.record();
+            if (record) {
+                return record.field_get_client(this.field_name);
+            }
+            return '';
+        },
+        _set_completion: function() {
+            this.entry.data('search', this.read_access());
+            this.entry.data('create', this.create_access());
+        },
+        _update_completion: function(query, process) {
+            var record = this.record();
+            if (!record) {
+                return;
+            }
+            var field = this.field();
+            var value = field.get(record);
+            if (this.has_target(value)) {
+                var id = this.id_from_value(value);
+                if ((id !== undefined) && (id > 0)) {
+                    return;
+                }
+            }
+            var model = this.get_model();
+
+            var prm = Sao.common.update_completion(this.entry, record, field,
+                    model);
+            prm.done(process);
+        },
+        _completion_match_selected: function(event_, selected_item, name) {
+            this.record().field_set_client(this.field_name,
+                    this.value_from_id(selected_item.id,
+                        selected_item.rec_name), true);
         },
         display: function(record, field) {
+            var screen_record = this.record();
+            if ((screen_record && record) && (screen_record.id != record.id)) {
+                return;
+            }
+
             var text_value, value;
             Sao.View.Form.Many2One._super.display.call(this, record, field);
 
             this._set_button_sensitive();
+            this._set_completion();
 
             if (!record) {
-                this.entry.val('');
+                this.value('');
                 return;
             }
             this.set_text(field.get_client(record));
@@ -2362,7 +2428,7 @@
                 var dom;
                 var domain = this.field().get_domain(record);
                 var context = this.field().get_context(record);
-                var text = this.entry.val();
+                var text = this.value();
                 callback = function(result) {
                     if (!jQuery.isEmptyObject(result)) {
                         var value = this.value_from_id(result[0][0],
@@ -2428,10 +2494,10 @@
                 this.activate();
             } else if (this.has_target(this.record().field_get(
                             this.field_name)) && editable) {
-                var value = this.record().field_get_client(this.field_name);
-                if ((value != this.entry.val()) ||
+                var value = this.get_text();
+                if ((value != this.value()) ||
                         ~delete_keys.indexOf(event_.which)) {
-                    this.entry.val('');
+                    this.value('');
                     this.record().field_set_client(this.field_name,
                         this.value_from_id(null, ''));
                 }
@@ -2447,7 +2513,7 @@
             var sao_model = new Sao.Model(model);
 
             if (model && !this.has_target(value)) {
-                var text = this.entry.val();
+                var text = this.value();
                 if (!this._readonly && (text ||
                             this.field().get_state_attrs(this.record())
                             .required)) {
@@ -2462,7 +2528,7 @@
                             this.record().field_set_client(this.field_name,
                                 value, true);
                         } else {
-                            this.entry.val('');
+                            this.value('');
                         }
                     };
                     var parser = new Sao.common.DomainParser();
@@ -2529,6 +2595,13 @@
             }
             return [this.get_model(), [id, str]];
         },
+        get_text: function() {
+            var record = this.record();
+            if (record) {
+                return record.field_get_client(this.field_name)[1];
+            }
+            return '';
+        },
         get_model: function() {
             return this.select.val();
         },
@@ -2553,7 +2626,7 @@
             this.select.prop('disabled', this.entry.prop('disabled'));
         },
         select_changed: function() {
-            this.entry.val('');
+            this.value('');
             var model = this.get_model();
             var value;
             if (model) {
@@ -2566,11 +2639,11 @@
         set_value: function(record, field) {
             var value;
             if (!this.get_model()) {
-                value = this.entry.val();
+                value = this.value();
                 if (jQuery.isEmptyObject(value)) {
-                    field.set_client(record, this.field_name, null);
+                    field.set_client(record, null);
                 } else {
-                    field.set_client(record, this.field_name, ['', value]);
+                    field.set_client(record, ['', value]);
                 }
             } else {
                 value = field.get_client(record, this.field_name);
@@ -2583,9 +2656,9 @@
                     name = '';
                 }
                 if ((model != this.get_model()) ||
-                        (name != this.entry.val())) {
-                    field.set_client(record, this.field_name, null);
-                    this.entry.val('');
+                        (name != this.value())) {
+                    field.set_client(record, null);
+                    this.value('');
                 }
             }
         },