[MERGE] refactoring in form view to be able to use fields outside of form views

bzr revid: nicolas.vanhoren@openerp.com-20121004164235-zzkwb3dc4c20m4xk

addons/web/static/src/js/view_form.js

@@ -30,7 +30,7 @@ instance.web.form.FieldManagerMixin = {
     /**
      * Must return the asked field as in fields_get.
      */
-    get_field: function(field_name) {},
+    get_field_desc: function(field_name) {},
     /**
      * Returns the current value of a field present in the view. See the get_value() method
      * method in FieldInterface for further information.
@@ -44,6 +44,21 @@ instance.web.form.FieldManagerMixin = {
     @return (Deferred) Is resolved after all the values are setted.
     */
     set_values: function(values) {},
+    /**
+    Computes an OpenERP domain.
+
+    @param (list) expression An OpenERP domain.
+    @return (boolean) The computed value of the domain.
+    */
+    compute_domain: function(expression) {},
+    /**
+    Builds an evaluation context for the resolution of the fields' contexts. Please note
+    the field are only supposed to use this context to evualuate their own, they should not
+    extend it.
+
+    @return (CompoundContext) An OpenERP context.
+    */
+    build_eval_context: function() {},
 };
 
 instance.web.views.add('form', 'instance.web.FormView');
@@ -1085,7 +1100,7 @@ instance.web.FormView = instance.web.View.extend(instance.web.form.FieldManagerM
 
         field.on('focused', null, this.proxy('widgetFocused'))
              .on('blurred', null, this.proxy('widgetBlurred'));
-        if (this.get_field(name).translate) {
+        if (this.get_field_desc(name).translate) {
             this.translatable_fields.push(field);
         }
         field.on('changed_value', this, function() {
@@ -1103,12 +1118,34 @@ instance.web.FormView = instance.web.View.extend(instance.web.form.FieldManagerM
             }
         });
     },
-    get_field: function(field_name) {
+    get_field_desc: function(field_name) {
         return this.fields_view.fields[field_name];
     },
     get_field_value: function(field_name) {
         return this.fields[field_name].get_value();
     },
+    compute_domain: function(expression) {
+        return instance.web.form.compute_domain(expression, this.fields);
+    },
+    _build_view_fields_values: function(blacklist) {
+        var a_dataset = this.dataset;
+        var fields_values = this.get_fields_values(blacklist);
+        var active_id = a_dataset.ids[a_dataset.index];
+        _.extend(fields_values, {
+            active_id: active_id || false,
+            active_ids: active_id ? [active_id] : [],
+            active_model: a_dataset.model,
+            parent: {}
+        });
+        if (a_dataset.parent_view) {
+            fields_values.parent = a_dataset.parent_view.get_fields_values([a_dataset.child_name]);
+        }
+        return fields_values;
+    },
+    build_eval_context: function(blacklist) {
+        var a_dataset = this.dataset;
+        return new instance.web.CompoundContext(a_dataset.get_context(), this._build_view_fields_values(blacklist));
+    },
 });
 
 /**
@@ -1528,6 +1565,48 @@ instance.web.form.FormRenderingEngine = instance.web.form.FormRenderingEngineInt
     },
 });
 
+/**
+    Welcome.
+
+    If you read this documentation, it probably means that you were asked to use a form view widget outside of
+    a form view. Before going further, you must understand that those fields were never really created for
+    that usage. Don't think that this class will hold the answer to all your problems, at best it will allow
+    you to hack the system with more style.
+*/
+instance.web.form.DefaultFieldManager = instance.web.Widget.extend({
+    init: function(parent, eval_context) {
+        this._super(parent);
+        this.field_descs = {};
+        this.eval_context = eval_context || {};
+    },
+    get_field_desc: function(field_name) {
+        if (this.field_descs[field_name] === undefined) {
+            this.field_descs[field_name] = {
+                string: field_name,
+            };
+        }
+        return this.field_descs[field_name];
+    },
+    extend_field_desc: function(fields) {
+        var self = this;
+        _.each(fields, function(v, k) {
+            _.extend(self.get_field_desc(k), v);
+        });
+    },
+    get_field_value: function(field_name) {
+        return false;
+    },
+    set_values: function(values) {
+        // nothing
+    },
+    compute_domain: function(expression) {
+        return instance.web.form.compute_domain(expression, {});
+    },
+    build_eval_context: function() {
+        return new instance.web.CompoundContext(this.eval_context);
+    },
+});
+
 instance.web.form.FormDialog = instance.web.Dialog.extend({
     init: function(parent, options, view_id, dataset) {
         this._super(parent, options);
@@ -1641,9 +1720,7 @@ instance.web.form.InvisibilityChangerMixin = {
         this._ic_invisible_modifier = invisible_domain;
         this._ic_field_manager.on("view_content_has_changed", this, function() {
             var result = self._ic_invisible_modifier === undefined ? false :
-                instance.web.form.compute_domain(
-                    self._ic_invisible_modifier,
-                    self._ic_field_manager.fields);
+                self._ic_field_manager.compute_domain(self._ic_invisible_modifier);
             self.set({"invisible": result});
         });
         this.set({invisible: this._ic_invisible_modifier === true, force_invisible: false});
@@ -1738,12 +1815,11 @@ instance.web.form.FormWidget = instance.web.Widget.extend(instance.web.form.Invi
         });
     },
     process_modifiers: function() {
-        var compute_domain = instance.web.form.compute_domain;
         var to_set = {};
         for (var a in this.modifiers) {
             if (!this.modifiers.hasOwnProperty(a)) { continue; }
             if (!_.include(["invisible"], a)) {
-                var val = compute_domain(this.modifiers[a], this.view.fields);
+                var val = this.field_manager.compute_domain(this.modifiers[a]);
                 to_set[a] = val;
             }
         }
@@ -1772,25 +1848,6 @@ instance.web.form.FormWidget = instance.web.Widget.extend(instance.web.form.Invi
             }, options || {});
         $(trigger).tipsy(options);
     },
-    _build_view_fields_values: function(blacklist) {
-        var a_dataset = this.view.dataset;
-        var fields_values = this.view.get_fields_values(blacklist);
-        var active_id = a_dataset.ids[a_dataset.index];
-        _.extend(fields_values, {
-            active_id: active_id || false,
-            active_ids: active_id ? [active_id] : [],
-            active_model: a_dataset.model,
-            parent: {}
-        });
-        if (a_dataset.parent_view) {
-            fields_values.parent = a_dataset.parent_view.get_fields_values([a_dataset.child_name]);
-        }
-        return fields_values;
-    },
-    _build_eval_context: function(blacklist) {
-        var a_dataset = this.view.dataset;
-        return new instance.web.CompoundContext(a_dataset.get_context(), this._build_view_fields_values(blacklist));
-    },
     /**
      * Builds a new context usable for operations related to fields by merging
      * the fields'context with the action's context.
@@ -1803,7 +1860,7 @@ instance.web.form.FormWidget = instance.web.Widget.extend(instance.web.form.Invi
         }
 
         if (v_context.__ref || true) { //TODO: remove true
-            var fields_values = this._build_eval_context(blacklist);
+            var fields_values = this.field_manager.build_eval_context(blacklist);
             v_context = new instance.web.CompoundContext(v_context).set_eval_context(fields_values);
         }
         return v_context;
@@ -1814,7 +1871,7 @@ instance.web.form.FormWidget = instance.web.Widget.extend(instance.web.form.Invi
         // if there is a domain on the node, overrides the model's domain
         var final_domain = n_domain !== null ? n_domain : f_domain;
         if (!(final_domain instanceof Array) || true) { //TODO: remove true
-            var fields_values = this._build_eval_context();
+            var fields_values = this.field_manager.build_eval_context();
             final_domain = new instance.web.CompoundDomain(final_domain).set_eval_context(fields_values);
         }
         return final_domain;
@@ -2002,7 +2059,7 @@ instance.web.form.AbstractField = instance.web.form.FormWidget.extend(instance.w
         var self = this
         this._super(field_manager, node);
         this.name = this.node.attrs.name;
-        this.field = this.field_manager.get_field(this.name);
+        this.field = this.field_manager.get_field_desc(this.name);
         this.widget = this.node.attrs.widget;
         this.string = this.node.attrs.string || this.field.string || this.name;
         this.options = JSON.parse(this.node.attrs.options || '{}');
@@ -2885,7 +2942,7 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
                 self.focus();
                 return;
             }
-            var pop = new instance.web.form.FormOpenPopup(self.view);
+            var pop = new instance.web.form.FormOpenPopup(self);
             pop.show_element(
                 self.field.relation,
                 self.get("value"),
@@ -3480,7 +3537,7 @@ instance.web.form.One2ManyViewManager = instance.web.ViewManager.extend({
         }
         var self = this;
         var id = self.o2m.dataset.index !== null ? self.o2m.dataset.ids[self.o2m.dataset.index] : null;
-        var pop = new instance.web.form.FormOpenPopup(self.o2m.view);
+        var pop = new instance.web.form.FormOpenPopup(this);
         pop.show_element(self.o2m.field.relation, id, self.o2m.build_context(), {
             title: _t("Open: ") + self.o2m.string,
             create_function: function(data) {
@@ -3596,7 +3653,7 @@ instance.web.form.One2ManyListView = instance.web.ListView.extend({
     },
     do_activate_record: function(index, id) {
         var self = this;
-        var pop = new instance.web.form.FormOpenPopup(self.o2m.view);
+        var pop = new instance.web.form.FormOpenPopup(self);
         pop.show_element(self.o2m.field.relation, id, self.o2m.build_context(), {
             title: _t("Open: ") + self.o2m.string,
             write_function: function(id, data) {
@@ -3624,7 +3681,10 @@ instance.web.form.One2ManyListView = instance.web.ListView.extend({
         var parent_form = this.o2m.view;
         var self = this;
         this.ensure_saved().pipe(function () {
-            return parent_form.do_save();
+            if (parent_form)
+                return parent_form.do_save();
+            else
+                return $.when();
         }).then(function () {
             self.handle_button(name, id, callback);
         });
@@ -4150,7 +4210,7 @@ instance.web.form.FieldMany2ManyKanban = instance.web.form.AbstractField.extend(
             });
         } else {
             var id = self.dataset.ids[self.dataset.index];
-            var pop = new instance.web.form.FormOpenPopup(self.view);
+            var pop = new instance.web.form.FormOpenPopup(this);
             pop.show_element(self.field.relation, id, self.build_context(), {
                 title: _t("Open: ") + self.string,
                 write_function: function(id, data, options) {
@@ -4552,11 +4612,21 @@ instance.web.form.FieldReference = instance.web.form.AbstractField.extend(instan
     },
     initialize_content: function() {
         var self = this;
-        this.selection = new instance.web.form.FieldSelection(this, { attrs: {
+        var fm = new instance.web.form.DefaultFieldManager(this);
+        fm.extend_field_desc({
+            "selection": {
+                selection: this.field_manager.get_field_desc(this.name).selection,
+                type: "selection",
+            },
+            "m2o": {
+                relation: null,
+                type: "many2one",
+            },
+        });
+        this.selection = new instance.web.form.FieldSelection(fm, { attrs: {
             name: 'selection',
             modifiers: JSON.stringify({readonly: this.get('effective_readonly')}),
         }});
-        this.selection.view = this.view;
         this.selection.on("change:value", this, this.on_selection_changed);
         this.selection.setElement(this.$(".oe_form_view_reference_selection"));
         this.selection.renderElement();
@@ -4565,11 +4635,10 @@ instance.web.form.FieldReference = instance.web.form.AbstractField.extend(instan
             .on('focused', null, function () {self.trigger('focused')})
             .on('blurred', null, function () {self.trigger('blurred')});
 
-        this.m2o = new instance.web.form.FieldMany2One(this, { attrs: {
+        this.m2o = new instance.web.form.FieldMany2One(fm, { attrs: {
             name: 'm2o',
             modifiers: JSON.stringify({readonly: this.get('effective_readonly')}),
         }});
-        this.m2o.view = this.view;
         this.m2o.on("change:value", this, this.data_changed);
         this.m2o.setElement(this.$(".oe_form_view_reference_m2o"));
         this.m2o.renderElement();
@@ -4609,20 +4678,6 @@ instance.web.form.FieldReference = instance.web.form.AbstractField.extend(instan
             this.set({'value': false});
         }
     },
-    get_field: function(name) {
-        if (name === "selection") {
-            return {
-                selection: this.view.fields_view.fields[this.name].selection,
-                type: "selection",
-            };
-        } else if (name === "m2o") {
-            return {
-                relation: null,
-                type: "many2one",
-            };
-        }
-        throw Exception("Should not happen");
-    },
 });
 
 instance.web.form.FieldBinary = instance.web.form.AbstractField.extend(instance.web.form.ReinitializeFieldMixin, {
@@ -4710,9 +4765,10 @@ instance.web.form.FieldBinary = instance.web.form.AbstractField.extend(instance.
     },
     set_filename: function(value) {
         var filename = this.node.attrs.filename;
-        if (this.view.fields[filename]) {
-            this.view.fields[filename].set_value(value);
-            this.view.fields[filename].on_ui_change();
+        if (filename) {
+            var tmp = {};
+            tmp[filename] = value;
+            this.field_manager.set_values(tmp);
         }
     },
     on_clear: function() {
@@ -4754,7 +4810,9 @@ instance.web.form.FieldBinaryFile = instance.web.form.FieldBinary.extend({
         } else {
             this.$el.find('a').show(!!this.get('value'));
             if (this.get('value')) {
-                var show_value = _t("Download") + " " + (this.view.datarecord[this.node.attrs.filename] || '');
+                var show_value = _t("Download")
+                if (this.view)
+                    show_value += " " + (this.view.datarecord[this.node.attrs.filename] || '');
                 this.$el.find('a').text(show_value);
             }
         }
@@ -4766,12 +4824,6 @@ instance.web.form.FieldBinaryFile = instance.web.form.FieldBinary.extend({
         this.$el.find('input').eq(0).val(show_value);
         this.set_filename(name);
     },
-    set_filename: function(value_) {
-        var filename = this.node.attrs.filename;
-        if (this.view.fields[filename]) {
-            this.view.fields[filename].set({value: value_});
-        }
-    },
     on_clear: function() {
         this._super.apply(this, arguments);
         this.$el.find('input').eq(0).val('');
@@ -4820,10 +4872,12 @@ instance.web.form.FieldBinaryImage = instance.web.form.FieldBinary.extend({
         this.set({'value': file_base64});
         this.binary_value = true;
         this.render_value();
+        this.set_filename(name);
     },
     on_clear: function() {
         this._super.apply(this, arguments);
         this.render_value();
+        this.set_filename('');
     }
 });