addons/point_of_sale/static/src/js/widgets.js

   1 function openerp_pos_widgets(instance, module){ //module is instance.point_of_sale
   2     var QWeb = instance.web.qweb,
   3         _t = instance.web._t;
   4
   5     // The ImageCache is used to hide the latency of the application cache on-disk access in chrome
   6     // that causes annoying flickering on product pictures. Why the hell a simple access to
   7     // the application cache involves such latency is beyond me, hopefully one day this can be
   8     // removed.
   9     module.ImageCache   = instance.web.Class.extend({
  10         init: function(options){
  11             options = options || {};
  12             this.max_size = options.max_size || 500;
  13
  14             this.cache = {};
  15             this.access_time = {};
  16             this.size = 0;
  17         },
  18         get_image_uncached: function(url){
  19             var img =  new Image();
  20             img.src = url;
  21             return img;
  22         },
  23         // returns a DOM Image object from an url, and cache the last 500 (by default) results
  24         get_image: function(url){
  25             var cached = this.cache[url];
  26             if(cached){
  27                 this.access_time[url] = (new Date()).getTime();
  28                 return cached;
  29             }else{
  30                 var img = new Image();
  31                 img.src = url;
  32                 while(this.size >= this.max_size){
  33                     var oldestUrl = null;
  34                     var oldestTime = (new Date()).getTime();
  35                     for(var url in this.cache){
  36                         var time = this.access_time[url];
  37                         if(time <= oldestTime){
  38                             oldestTime = time;
  39                             oldestUrl  = url;
  40                         }
  41                     }
  42                     if(oldestUrl){
  43                         delete this.cache[oldestUrl];
  44                         delete this.access_time[oldestUrl];
  45                     }
  46                     this.size--;
  47                 }
  48                 this.cache[url] = img;
  49                 this.access_time[url] = (new Date()).getTime();
  50                 this.size++;
  51                 return img;
  52             }
  53         },
  54     });
  55
  56     module.NumpadWidget = module.PosBaseWidget.extend({
  57         template:'NumpadWidget',
  58         init: function(parent, options) {
  59             this._super(parent);
  60             this.state = new module.NumpadState();
  61         },
  62         start: function() {
  63             this.state.bind('change:mode', this.changedMode, this);
  64             this.changedMode();
  65             this.$el.find('.numpad-backspace').click(_.bind(this.clickDeleteLastChar, this));
  66             this.$el.find('.numpad-minus').click(_.bind(this.clickSwitchSign, this));
  67             this.$el.find('.number-char').click(_.bind(this.clickAppendNewChar, this));
  68             this.$el.find('.mode-button').click(_.bind(this.clickChangeMode, this));
  69         },
  70         clickDeleteLastChar: function() {
  71             return this.state.deleteLastChar();
  72         },
  73         clickSwitchSign: function() {
  74             return this.state.switchSign();
  75         },
  76         clickAppendNewChar: function(event) {
  77             var newChar;
  78             newChar = event.currentTarget.innerText || event.currentTarget.textContent;
  79             return this.state.appendNewChar(newChar);
  80         },
  81         clickChangeMode: function(event) {
  82             var newMode = event.currentTarget.attributes['data-mode'].nodeValue;
  83             return this.state.changeMode(newMode);
  84         },
  85         changedMode: function() {
  86             var mode = this.state.get('mode');
  87             $('.selected-mode').removeClass('selected-mode');
  88             $(_.str.sprintf('.mode-button[data-mode="%s"]', mode), this.$el).addClass('selected-mode');
  89         },
  90     });
  91
  92     // The paypad allows to select the payment method (cashRegisters)
  93     // used to pay the order.
  94     module.PaypadWidget = module.PosBaseWidget.extend({
  95         template: 'PaypadWidget',
  96         renderElement: function() {
  97             var self = this;
  98             this._super();
  99
 100             this.pos.get('cashRegisters').each(function(cashRegister) {
 101                 var button = new module.PaypadButtonWidget(self,{
 102                     pos: self.pos,
 103                     pos_widget : self.pos_widget,
 104                     cashRegister: cashRegister,
 105                 });
 106                 button.appendTo(self.$el);
 107             });
 108         }
 109     });
 110
 111     module.PaypadButtonWidget = module.PosBaseWidget.extend({
 112         template: 'PaypadButtonWidget',
 113         init: function(parent, options){
 114             this._super(parent, options);
 115             this.cashRegister = options.cashRegister;
 116         },
 117         renderElement: function() {
 118             var self = this;
 119             this._super();
 120
 121             this.$el.click(function(){
 122                 if (self.pos.get('selectedOrder').get('screen') === 'receipt'){  //TODO Why ?
 123                     console.warn('TODO should not get there...?');
 124                     return;
 125                 }
 126                 self.pos.get('selectedOrder').addPaymentLine(self.cashRegister);
 127                 self.pos_widget.screen_selector.set_current_screen('payment');
 128             });
 129         },
 130     });
 131
 132     module.OrderlineWidget = module.PosBaseWidget.extend({
 133         template: 'OrderlineWidget',
 134         init: function(parent, options) {
 135             this._super(parent,options);
 136
 137             this.model = options.model;
 138             this.order = options.order;
 139
 140             this.model.bind('change', this.refresh, this);
 141         },
 142         renderElement: function() {
 143             var self = this;
 144             this._super();
 145             this.$el.click(function(){
 146                 self.order.selectLine(self.model);
 147                 self.trigger('order_line_selected');
 148             });
 149             if(this.model.is_selected()){
 150                 this.$el.addClass('selected');
 151             }
 152         },
 153         refresh: function(){
 154             this.renderElement();
 155             this.trigger('order_line_refreshed');
 156         },
 157         destroy: function(){
 158             this.model.unbind('change',this.refresh,this);
 159             this._super();
 160         },
 161     });
 162
 163     module.OrderWidget = module.PosBaseWidget.extend({
 164         template:'OrderWidget',
 165         init: function(parent, options) {
 166             this._super(parent,options);
 167             this.display_mode = options.display_mode || 'numpad';   // 'maximized' | 'actionbar' | 'numpad'
 168             this.set_numpad_state(options.numpadState);
 169             this.pos.bind('change:selectedOrder', this.change_selected_order, this);
 170             this.bind_orderline_events();
 171             this.orderlinewidgets = [];
 172         },
 173         set_numpad_state: function(numpadState) {
 174                 if (this.numpadState) {
 175                         this.numpadState.unbind('set_value', this.set_value);
 176                 }
 177                 this.numpadState = numpadState;
 178                 if (this.numpadState) {
 179                         this.numpadState.bind('set_value', this.set_value, this);
 180                         this.numpadState.reset();
 181                 }
 182         },
 183         set_value: function(val) {
 184                 var order = this.pos.get('selectedOrder');
 185                 if (order.get('orderLines').length !== 0) {
 186                 var mode = this.numpadState.get('mode');
 187                 if( mode === 'quantity'){
 188                     order.getSelectedLine().set_quantity(val);
 189                 }else if( mode === 'discount'){
 190                     order.getSelectedLine().set_discount(val);
 191                 }else if( mode === 'price'){
 192                     order.getSelectedLine().set_unit_price(val);
 193                 }
 194                 }
 195         },
 196         change_selected_order: function() {
 197             this.currentOrderLines.unbind();
 198             this.bind_orderline_events();
 199             this.renderElement();
 200         },
 201         bind_orderline_events: function() {
 202             this.currentOrderLines = (this.pos.get('selectedOrder')).get('orderLines');
 203             this.currentOrderLines.bind('add', function(){ this.renderElement(true);}, this);
 204             this.currentOrderLines.bind('remove', this.renderElement, this);
 205         },
 206         update_numpad: function() {
 207             this.selected_line = this.pos.get('selectedOrder').getSelectedLine();
 208             if (this.numpadState)
 209                 this.numpadState.reset();
 210         },
 211         renderElement: function(goto_bottom) {
 212             var self = this;
 213             var scroller = this.$('.order-scroller')[0];
 214             var scrollbottom = true;
 215             var scrollTop = 0;
 216             /*if(scroller){
 217                 var overflow_bottom = scroller.scrollHeight - scroller.clientHeight;
 218                 scrollTop = scroller.scrollTop;
 219                 if( !goto_bottom && scrollTop < 0.9 * overflow_bottom){
 220                     scrollbottom = false;
 221                 }
 222             }*/
 223             this._super();
 224
 225             // freeing subwidgets
 226
 227             for(var i = 0, len = this.orderlinewidgets.length; i < len; i++){
 228                 this.orderlinewidgets[i].destroy();
 229             }
 230             this.orderlinewidgets = [];
 231
 232             var $content = this.$('.orderlines');
 233             this.currentOrderLines.each(_.bind( function(orderLine) {
 234                 var line = new module.OrderlineWidget(this, {
 235                         model: orderLine,
 236                         order: this.pos.get('selectedOrder'),
 237                 });
 238                 line.on('order_line_selected', self, self.update_numpad);
 239                 line.on('order_line_refreshed', self, self.update_summary);
 240                 line.appendTo($content);
 241                 self.orderlinewidgets.push(line);
 242             }, this));
 243             this.update_numpad();
 244             this.update_summary();
 245
 246             scroller = this.$('.order-scroller')[0];
 247             if(scroller){
 248                 //scroller.scrollTop = 1000000;
 249                 /*
 250                 if(scrollbottom){
 251                     scroller.scrollTop = scroller.scrollHeight - scroller.clientHeight;
 252                 }else{
 253                     scroller.scrollTop = scrollTop;
 254                 }*/
 255             }
 256         },
 257         update_summary: function(){
 258             var order = this.pos.get('selectedOrder');
 259             var total     = order ? order.getTotalTaxIncluded() : 0;
 260             var taxes     = order ? total - order.getTotalTaxExcluded() : 0;
 261             this.$('.summary .total > .value').html(this.format_currency(total));
 262             this.$('.summary .total .subentry .value').html(this.format_currency(taxes));
 263         },
 264         set_display_mode: function(mode){
 265             if(this.display_mode !== mode){
 266                 this.display_mode = mode;
 267                 this.renderElement();
 268             }
 269         },
 270     });
 271
 272
 273     module.PaymentlineWidget = module.PosBaseWidget.extend({
 274         template: 'PaymentlineWidget',
 275         init: function(parent, options) {
 276             this._super(parent,options);
 277             this.payment_line = options.payment_line;
 278             this.payment_line.bind('change', this.changedAmount, this);
 279         },
 280         changeAmount: function(event) {
 281             var newAmount = event.currentTarget.value;
 282             var amount = parseFloat(newAmount);
 283             if(!isNaN(amount)){
 284                 this.amount = amount;
 285                 this.payment_line.set_amount(amount);
 286             }
 287         },
 288         checkAmount: function(e){
 289             if (e.which !== 0 && e.charCode !== 0) {
 290                 if(isNaN(String.fromCharCode(e.charCode))){
 291                     return (String.fromCharCode(e.charCode) === "." && e.currentTarget.value.toString().split(".").length < 2)?true:false;
 292                 }
 293             }
 294             return true
 295         },
 296         changedAmount: function() {
 297                 if (this.amount !== this.payment_line.get_amount()){
 298                         this.renderElement();
 299             }
 300         },
 301         renderElement: function() {
 302             var self = this;
 303             this.name =   this.payment_line.get_cashregister().get('journal_id')[1];
 304             this._super();
 305             this.$('input').keypress(_.bind(this.checkAmount, this))
 306                         .keyup(function(event){
 307                 self.changeAmount(event);
 308             });
 309             this.$('.delete-payment-line').click(function() {
 310                 self.trigger('delete_payment_line', self);
 311             });
 312         },
 313         focus: function(){
 314             var val = this.$('input')[0].value;
 315             this.$('input')[0].focus();
 316             this.$('input')[0].value = val;
 317             this.$('input')[0].select();
 318         },
 319     });
 320
 321     module.OrderButtonWidget = module.PosBaseWidget.extend({
 322         template:'OrderButtonWidget',
 323         init: function(parent, options) {
 324             this._super(parent,options);
 325             var self = this;
 326
 327             this.order = options.order;
 328             this.order.bind('destroy',this.destroy, this );
 329             this.order.bind('change', this.renderElement, this );
 330             this.pos.bind('change:selectedOrder', this.renderElement,this );
 331         },
 332         renderElement:function(){
 333             this._super();
 334             var self = this;
 335             this.$el.click(function(){
 336                 self.selectOrder();
 337             });
 338             if( this.order === this.pos.get('selectedOrder') ){
 339                 this.$el.addClass('selected-order');
 340             }
 341         },
 342         selectOrder: function(event) {
 343             this.pos.set({
 344                 selectedOrder: this.order
 345             });
 346         },
 347         destroy: function(){
 348             this.order.unbind('destroy', this.destroy, this);
 349             this.order.unbind('change',  this.renderElement, this);
 350             this.pos.unbind('change:selectedOrder', this.renderElement, this);
 351             this._super();
 352         },
 353     });
 354
 355     module.ActionButtonWidget = instance.web.Widget.extend({
 356         template:'ActionButtonWidget',
 357         icon_template:'ActionButtonWidgetWithIcon',
 358         init: function(parent, options){
 359             this._super(parent, options);
 360             this.label = options.label || 'button';
 361             this.rightalign = options.rightalign || false;
 362             this.click_action = options.click;
 363             this.disabled = options.disabled || false;
 364             if(options.icon){
 365                 this.icon = options.icon;
 366                 this.template = this.icon_template;
 367             }
 368         },
 369         set_disabled: function(disabled){
 370             if(this.disabled != disabled){
 371                 this.disabled = !!disabled;
 372                 this.renderElement();
 373             }
 374         },
 375         renderElement: function(){
 376             this._super();
 377             if(this.click_action && !this.disabled){
 378                 this.$el.click(_.bind(this.click_action, this));
 379             }
 380         },
 381     });
 382
 383     module.ActionBarWidget = instance.web.Widget.extend({
 384         template:'ActionBarWidget',
 385         init: function(parent, options){
 386             this._super(parent,options);
 387             this.button_list = [];
 388             this.buttons = {};
 389             this.visibility = {};
 390         },
 391         set_element_visible: function(element, visible, action){
 392             if(visible != this.visibility[element]){
 393                 this.visibility[element] = !!visible;
 394                 if(visible){
 395                     this.$('.'+element).removeClass('oe_hidden');
 396                 }else{
 397                     this.$('.'+element).addClass('oe_hidden');
 398                 }
 399             }
 400             if(visible && action){
 401                 this.action[element] = action;
 402                 this.$('.'+element).off('click').click(action);
 403             }
 404         },
 405         set_button_disabled: function(name, disabled){
 406             var b = this.buttons[name];
 407             if(b){
 408                 b.set_disabled(disabled);
 409             }
 410         },
 411         destroy_buttons:function(){
 412             for(var i = 0; i < this.button_list.length; i++){
 413                 this.button_list[i].destroy();
 414             }
 415             this.button_list = [];
 416             this.buttons = {};
 417             return this;
 418         },
 419         get_button_count: function(){
 420             return this.button_list.length;
 421         },
 422         add_new_button: function(button_options){
 423             var button = new module.ActionButtonWidget(this,button_options);
 424             this.button_list.push(button);
 425             if(button_options.name){
 426                 this.buttons[button_options.name] = button;
 427             }
 428             button.appendTo(this.$('.pos-actionbar-button-list'));
 429             return button;
 430         },
 431         show:function(){
 432             this.$el.removeClass('oe_hidden');
 433         },
 434         hide:function(){
 435             this.$el.addClass('oe_hidden');
 436         },
 437     });
 438
 439     module.CategoryButton = module.PosBaseWidget.extend({
 440     });
 441     module.ProductCategoriesWidget = module.PosBaseWidget.extend({
 442         template: 'ProductCategoriesWidget',
 443         init: function(parent, options){
 444             var self = this;
 445             this._super(parent,options);
 446             this.product_type = options.product_type || 'all';  // 'all' | 'weightable'
 447             this.onlyWeightable = options.onlyWeightable || false;
 448             this.category = this.pos.root_category;
 449             this.breadcrumb = [];
 450             this.subcategories = [];
 451             this.set_category();
 452         },
 453
 454         // changes the category. if undefined, sets to root category
 455         set_category : function(category){
 456             var db = this.pos.db;
 457             if(!category){
 458                 this.category = db.get_category_by_id(db.root_category_id);
 459             }else{
 460                 this.category = category;
 461             }
 462             this.breadcrumb = [];
 463             var ancestors_ids = db.get_category_ancestors_ids(this.category.id);
 464             for(var i = 1; i < ancestors_ids.length; i++){
 465                 this.breadcrumb.push(db.get_category_by_id(ancestors_ids[i]));
 466             }
 467             if(this.category.id !== db.root_category_id){
 468                 this.breadcrumb.push(this.category);
 469             }
 470             this.subcategories = db.get_category_by_id(db.get_category_childs_ids(this.category.id));
 471         },
 472
 473         get_image_url: function(category){
 474             return instance.session.url('/web/binary/image', {model: 'pos.category', field: 'image_medium', id: category.id});
 475         },
 476
 477         renderElement: function(){
 478             var self = this;
 479             this._super();
 480
 481             var hasimages = false;  //if none of the subcategories have images, we don't display buttons with icons
 482             _.each(this.subcategories, function(category){
 483                 if(category.image){
 484                     hasimages = true;
 485                 }
 486             });
 487
 488             _.each(this.subcategories, function(category){
 489                 if(hasimages){
 490                     var button = QWeb.render('CategoryButton',{category:category});
 491                     var button = _.str.trim(button);
 492                     var button = $(button);
 493                     button.find('img').replaceWith(self.pos_widget.image_cache.get_image(self.get_image_url(category)));
 494                 }else{
 495                     var button = QWeb.render('CategorySimpleButton',{category:category});
 496                     button = _.str.trim(button);    // we remove whitespace between buttons to fix spacing
 497                     var button = $(button);
 498                 }
 499
 500                 button.appendTo(this.$('.category-list')).click(function(event){
 501                     var id = category.id;
 502                     var cat = self.pos.db.get_category_by_id(id);
 503                     self.set_category(cat);
 504                     self.renderElement();
 505                 });
 506             });
 507             // breadcrumb click actions
 508             this.$(".oe-pos-categories-list a").click(function(event){
 509                 var id = $(event.target).data("category-id");
 510                 var category = self.pos.db.get_category_by_id(id);
 511                 self.set_category(category);
 512                 self.renderElement();
 513             });
 514
 515             this.search_and_categories();
 516
 517             if(this.pos.iface_vkeyboard && this.pos_widget.onscreen_keyboard){
 518                 this.pos_widget.onscreen_keyboard.connect(this.$('.searchbox input'));
 519             }
 520         },
 521
 522         set_product_type: function(type){       // 'all' | 'weightable'
 523             this.product_type = type;
 524             this.reset_category();
 525         },
 526
 527         // resets the current category to the root category
 528         reset_category: function(){
 529             this.set_category();
 530             this.renderElement();
 531         },
 532
 533         // empties the content of the search box
 534         clear_search: function(){
 535             var products = this.pos.db.get_product_by_category(this.category.id);
 536             this.pos.get('products').reset(products);
 537             this.$('.searchbox input').val('').focus();
 538             this.$('.search-clear').fadeOut();
 539         },
 540
 541         // filters the products, and sets up the search callbacks
 542         search_and_categories: function(category){
 543             var self = this;
 544
 545             // find all products belonging to the current category
 546             var products = this.pos.db.get_product_by_category(this.category.id);
 547             self.pos.get('products').reset(products);
 548
 549
 550             var searchtimeout = null;
 551             // filter the products according to the search string
 552             this.$('.searchbox input').keyup(function(event){
 553
 554                 clearTimeout(searchtimeout);
 555
 556                 var query = $(this).val().toLowerCase();
 557
 558                 searchtimeout = setTimeout(function(){
 559                     if(query){
 560                         if(event.which === 13){
 561                             if( self.pos.get('products').size() === 1 ){
 562                                 self.pos.get('selectedOrder').addProduct(self.pos.get('products').at(0));
 563                                 self.clear_search();
 564                             }
 565                         }else{
 566                             var products = self.pos.db.search_product_in_category(self.category.id, query);
 567                             self.pos.get('products').reset(products);
 568                             self.$('.search-clear').fadeIn();
 569                         }
 570                     }else{
 571                         var products = self.pos.db.get_product_by_category(self.category.id);
 572                         self.pos.get('products').reset(products);
 573                         self.$('.search-clear').fadeOut();
 574                     }
 575                 },200);
 576             });
 577
 578             //reset the search when clicking on reset
 579             this.$('.search-clear').click(function(){
 580                 self.clear_search();
 581             });
 582         },
 583     });
 584
 585     module.ProductListWidget = module.ScreenWidget.extend({
 586         template:'ProductListWidget',
 587         init: function(parent, options) {
 588             var self = this;
 589             this._super(parent,options);
 590             this.model = options.model;
 591             this.productwidgets = [];
 592             this.weight = options.weight || 0;
 593             this.show_scale = options.show_scale || false;
 594             this.next_screen = options.next_screen || false;
 595             this.click_product_action = options.click_product_action;
 596
 597             this.pos.get('products').bind('reset', function(){
 598                 self.renderElement();
 599             });
 600         },
 601         renderElement: function() {
 602             var self = this;
 603             this._super();
 604
 605             var products = this.pos.get('products').models || [];
 606
 607             _.each(products,function(product,i){
 608                 var $product = $(QWeb.render('Product',{ widget:self, product: products[i] }));
 609                 $product.find('img').replaceWith(self.pos_widget.image_cache.get_image(products[i].get_image_url()));
 610                 $product.appendTo(self.$('.product-list'));
 611             });
 612             this.$el.delegate('a','click',function(){
 613                 self.click_product_action(new module.Product(self.pos.db.get_product_by_id(+$(this).data('product-id'))));
 614             });
 615
 616         },
 617     });
 618
 619     module.UsernameWidget = module.PosBaseWidget.extend({
 620         template: 'UsernameWidget',
 621         init: function(parent, options){
 622             var options = options || {};
 623             this._super(parent,options);
 624             this.mode = options.mode || 'cashier';
 625         },
 626         set_user_mode: function(mode){
 627             this.mode = mode;
 628             this.refresh();
 629         },
 630         refresh: function(){
 631             this.renderElement();
 632         },
 633         get_name: function(){
 634             var user;
 635             if(this.mode === 'cashier'){
 636                 user = this.pos.get('cashier') || this.pos.get('user');
 637             }else{
 638                 user = this.pos.get('selectedOrder').get_client()  || this.pos.get('user');
 639             }
 640             if(user){
 641                 return user.name;
 642             }else{
 643                 return "";
 644             }
 645         },
 646     });
 647
 648     module.HeaderButtonWidget = module.PosBaseWidget.extend({
 649         template: 'HeaderButtonWidget',
 650         init: function(parent, options){
 651             options = options || {};
 652             this._super(parent, options);
 653             this.action = options.action;
 654             this.label   = options.label;
 655         },
 656         renderElement: function(){
 657             var self = this;
 658             this._super();
 659             if(this.action){
 660                 this.$el.click(function(){
 661                     self.action();
 662                 });
 663             }
 664         },
 665         show: function(){ this.$el.removeClass('oe_hidden'); },
 666         hide: function(){ this.$el.addClass('oe_hidden'); },
 667     });
 668
 669     // The debug widget lets the user control and monitor the hardware and software status
 670     // without the use of the proxy
 671     module.DebugWidget = module.PosBaseWidget.extend({
 672         template: "DebugWidget",
 673         eans:{
 674             admin_badge:  '0410100000006',
 675             client_badge: '0420200000004',
 676             invalid_ean:  '1232456',
 677             soda_33cl:    '5449000000996',
 678             oranges_kg:   '2100002031410',
 679             lemon_price:  '2301000001560',
 680             unknown_product: '9900000000004',
 681         },
 682         events:[
 683             'scan_item_success',
 684             'scan_item_error_unrecognized',
 685             'payment_request',
 686             'open_cashbox',
 687             'print_receipt',
 688             'print_pdf_invoice',
 689             'weighting_read_kg',
 690             'payment_status',
 691         ],
 692         minimized: false,
 693         start: function(){
 694             var self = this;
 695
 696             this.$el.draggable();
 697             this.$('.toggle').click(function(){
 698                 var content = self.$('.content');
 699                 var bg      = self.$el;
 700                 if(!self.minimized){
 701                     content.animate({'height':'0'},200);
 702                 }else{
 703                     content.css({'height':'auto'});
 704                 }
 705                 self.minimized = !self.minimized;
 706             });
 707             this.$('.button.accept_payment').click(function(){
 708                 self.pos.proxy.debug_accept_payment();
 709             });
 710             this.$('.button.reject_payment').click(function(){
 711                 self.pos.proxy.debug_reject_payment();
 712             });
 713             this.$('.button.set_weight').click(function(){
 714                 var kg = Number(self.$('input.weight').val());
 715                 if(!isNaN(kg)){
 716                     self.pos.proxy.debug_set_weight(kg);
 717                 }
 718             });
 719             this.$('.button.reset_weight').click(function(){
 720                 self.$('input.weight').val('');
 721                 self.pos.proxy.debug_reset_weight();
 722             });
 723             this.$('.button.custom_ean').click(function(){
 724                 var ean = self.pos.barcode_reader.sanitize_ean(self.$('input.ean').val() || '0');
 725                 self.$('input.ean').val(ean);
 726                 self.pos.barcode_reader.scan('ean13',ean);
 727             });
 728             this.$('.button.reference').click(function(){
 729                 self.pos.barcode_reader.scan('reference',self.$('input.ean').val());
 730             });
 731             _.each(this.eans, function(ean, name){
 732                 self.$('.button.'+name).click(function(){
 733                     self.$('input.ean').val(ean);
 734                     self.pos.barcode_reader.scan('ean13',ean);
 735                 });
 736             });
 737             _.each(this.events, function(name){
 738                 self.pos.proxy.add_notification(name,function(){
 739                     self.$('.event.'+name).stop().clearQueue().css({'background-color':'#6CD11D'});
 740                     self.$('.event.'+name).animate({'background-color':'#1E1E1E'},2000);
 741                 });
 742             });
 743             self.pos.proxy.add_notification('help_needed',function(){
 744                 self.$('.status.help_needed').addClass('on');
 745             });
 746             self.pos.proxy.add_notification('help_canceled',function(){
 747                 self.$('.status.help_needed').removeClass('on');
 748             });
 749             self.pos.proxy.add_notification('transaction_start',function(){
 750                 self.$('.status.transaction').addClass('on');
 751             });
 752             self.pos.proxy.add_notification('transaction_end',function(){
 753                 self.$('.status.transaction').removeClass('on');
 754             });
 755             self.pos.proxy.add_notification('weighting_start',function(){
 756                 self.$('.status.weighting').addClass('on');
 757             });
 758             self.pos.proxy.add_notification('weighting_end',function(){
 759                 self.$('.status.weighting').removeClass('on');
 760             });
 761         },
 762     });
 763
 764 // ---------- Main Point of Sale Widget ----------
 765
 766     // this is used to notify the user that data is being synchronized on the network
 767     module.SynchNotificationWidget = module.PosBaseWidget.extend({
 768         template: "SynchNotificationWidget",
 769         init: function(parent, options){
 770             options = options || {};
 771             this._super(parent, options);
 772         },
 773         renderElement: function() {
 774             var self = this;
 775             this._super();
 776             this.$el.click(function(){
 777                 self.pos.flush();
 778             });
 779         },
 780         start: function(){
 781             var self = this;
 782             this.pos.bind('change:nbr_pending_operations', function(){
 783                 self.renderElement();
 784             });
 785         },
 786         get_nbr_pending: function(){
 787             return this.pos.get('nbr_pending_operations');
 788         },
 789     });
 790
 791
 792     // The PosWidget is the main widget that contains all other widgets in the PointOfSale.
 793     // It is mainly composed of :
 794     // - a header, containing the list of orders
 795     // - a leftpane, containing the list of bought products (orderlines)
 796     // - a rightpane, containing the screens (see pos_screens.js)
 797     // - an actionbar on the bottom, containing various action buttons
 798     // - popups
 799     // - an onscreen keyboard
 800     // a screen_selector which controls the switching between screens and the showing/closing of popups
 801
 802     module.PosWidget = module.PosBaseWidget.extend({
 803         template: 'PosWidget',
 804         init: function() {
 805             this._super(arguments[0],{});
 806
 807             instance.web.blockUI();
 808
 809             this.pos = new module.PosModel(this.session);
 810             this.pos.pos_widget = this;
 811             this.pos_widget = this; //So that pos_widget's childs have pos_widget set automatically
 812
 813             this.numpad_visible = true;
 814             this.left_action_bar_visible = true;
 815             this.leftpane_visible = true;
 816             this.leftpane_width   = '440px';
 817             this.cashier_controls_visible = true;
 818             this.image_cache = new module.ImageCache(); // for faster products image display
 819
 820             FastClick.attach(document.body);
 821
 822         },
 823
 824         start: function() {
 825             var self = this;
 826             return self.pos.ready.done(function() {
 827                 $('.oe_tooltip').remove();  // remove tooltip from the start session button
 828
 829                 self.build_currency_template();
 830                 self.renderElement();
 831
 832                 self.$('.neworder-button').click(function(){
 833                     self.pos.add_new_order();
 834                 });
 835
 836                 self.$('.deleteorder-button').click(function(){
 837                     self.pos.delete_current_order();
 838                 });
 839
 840                 $('body').on('keyup',function(event){
 841                     if(event.which === 13){
 842                         self.set_fullscreen();
 843                     }
 844                 });
 845
 846                 //when a new order is created, add an order button widget
 847                 self.pos.get('orders').bind('add', function(new_order){
 848                     var new_order_button = new module.OrderButtonWidget(null, {
 849                         order: new_order,
 850                         pos: self.pos
 851                     });
 852                     new_order_button.appendTo(this.$('.orders'));
 853                     new_order_button.selectOrder();
 854                 }, self);
 855
 856                 self.pos.add_new_order();
 857
 858                 self.build_widgets();
 859
 860                 if(self.pos.iface_big_scrollbars){
 861                     self.$el.addClass('big-scrollbars');
 862                 }
 863
 864                 self.screen_selector.set_default_screen();
 865
 866
 867                 self.pos.barcode_reader.connect();
 868
 869                 if(!$('#oe-fullscreenwidget-viewport').length){
 870                     $('head').append('<meta id="oe-pos-viewport" name="viewport" content=" width=1024px; user-scalable=no;">');
 871                     $('head').append('<meta id="oe-pos-apple-mobile" name="apple-mobile-web-capable" content="yes">');
 872                 }
 873
 874                 $('.oe_leftbar').addClass('oe_hidden');
 875
 876                 instance.webclient.set_content_full_screen(true);
 877
 878                 if (!self.pos.get('pos_session')) {
 879                     self.screen_selector.show_popup('error', 'Sorry, we could not create a user session');
 880                 }else if(!self.pos.get('pos_config')){
 881                     self.screen_selector.show_popup('error', 'Sorry, we could not find any PoS Configuration for this session');
 882                 }
 883
 884                 instance.web.unblockUI();
 885                 self.$('.loader').animate({opacity:0},1500,'swing',function(){self.$('.loader').addClass('oe_hidden');});
 886
 887                 self.pos.flush();
 888
 889             }).fail(function(){   // error when loading models data from the backend
 890                 instance.web.unblockUI();
 891                 return new instance.web.Model("ir.model.data").get_func("search_read")([['name', '=', 'action_pos_session_opening']], ['res_id'])
 892                     .pipe( _.bind(function(res){
 893                         return instance.session.rpc('/web/action/load', {'action_id': res[0]['res_id']})
 894                             .pipe(_.bind(function(result){
 895                                 var action = result.result;
 896                                 this.do_action(action);
 897                             }, this));
 898                     }, self));
 899             });
 900         },
 901
 902         // This method instantiates all the screens, widgets, etc. If you want to add new screens change the
 903         // startup screen, etc, override this method.
 904         build_widgets: function() {
 905             var self = this;
 906
 907             // --------  Screens ---------
 908
 909             this.product_screen = new module.ProductScreenWidget(this,{});
 910             this.product_screen.appendTo(this.$('.screens'));
 911
 912             this.receipt_screen = new module.ReceiptScreenWidget(this, {});
 913             this.receipt_screen.appendTo(this.$('.screens'));
 914
 915             this.payment_screen = new module.PaymentScreenWidget(this, {});
 916             this.payment_screen.appendTo(this.$('.screens'));
 917
 918             this.welcome_screen = new module.WelcomeScreenWidget(this,{});
 919             this.welcome_screen.appendTo(this.$('.screens'));
 920
 921             this.client_payment_screen = new module.ClientPaymentScreenWidget(this, {});
 922             this.client_payment_screen.appendTo(this.$('.screens'));
 923
 924             this.scale_invite_screen = new module.ScaleInviteScreenWidget(this, {});
 925             this.scale_invite_screen.appendTo(this.$('.screens'));
 926
 927             this.scale_screen = new module.ScaleScreenWidget(this,{});
 928             this.scale_screen.appendTo(this.$('.screens'));
 929
 930             // --------  Popups ---------
 931
 932             this.help_popup = new module.HelpPopupWidget(this, {});
 933             this.help_popup.appendTo(this.$el);
 934
 935             this.error_popup = new module.ErrorPopupWidget(this, {});
 936             this.error_popup.appendTo(this.$el);
 937
 938             this.error_product_popup = new module.ProductErrorPopupWidget(this, {});
 939             this.error_product_popup.appendTo(this.$el);
 940
 941             this.error_session_popup = new module.ErrorSessionPopupWidget(this, {});
 942             this.error_session_popup.appendTo(this.$el);
 943
 944             this.choose_receipt_popup = new module.ChooseReceiptPopupWidget(this, {});
 945             this.choose_receipt_popup.appendTo(this.$el);
 946
 947             this.error_negative_price_popup = new module.ErrorNegativePricePopupWidget(this, {});
 948             this.error_negative_price_popup.appendTo(this.$el);
 949
 950             this.error_no_client_popup = new module.ErrorNoClientPopupWidget(this, {});
 951             this.error_no_client_popup.appendTo(this.$el);
 952
 953             this.error_invoice_transfer_popup = new module.ErrorInvoiceTransferPopupWidget(this, {});
 954             this.error_invoice_transfer_popup.appendTo(this.$el);
 955
 956             // --------  Misc ---------
 957
 958             this.notification = new module.SynchNotificationWidget(this,{});
 959             this.notification.appendTo(this.$('.pos-rightheader'));
 960
 961             this.username   = new module.UsernameWidget(this,{});
 962             this.username.replace(this.$('.placeholder-UsernameWidget'));
 963
 964             this.action_bar = new module.ActionBarWidget(this);
 965             this.action_bar.replace(this.$(".placeholder-RightActionBar"));
 966
 967             this.left_action_bar = new module.ActionBarWidget(this);
 968             this.left_action_bar.replace(this.$('.placeholder-LeftActionBar'));
 969
 970             this.paypad = new module.PaypadWidget(this, {});
 971             this.paypad.replace(this.$('.placeholder-PaypadWidget'));
 972
 973             this.numpad = new module.NumpadWidget(this);
 974             this.numpad.replace(this.$('.placeholder-NumpadWidget'));
 975
 976             this.order_widget = new module.OrderWidget(this, {});
 977             this.order_widget.replace(this.$('.placeholder-OrderWidget'));
 978
 979             this.onscreen_keyboard = new module.OnscreenKeyboardWidget(this, {
 980                 'keyboard_model': 'simple'
 981             });
 982             this.onscreen_keyboard.replace(this.$('.placeholder-OnscreenKeyboardWidget'));
 983
 984             this.close_button = new module.HeaderButtonWidget(this,{
 985                 label: _t('Close'),
 986                 action: function(){ self.close(); },
 987             });
 988             this.close_button.appendTo(this.$('.pos-rightheader'));
 989
 990             this.client_button = new module.HeaderButtonWidget(this,{
 991                 label: _t('Self-Checkout'),
 992                 action: function(){ self.screen_selector.set_user_mode('client'); },
 993             });
 994             this.client_button.appendTo(this.$('.pos-rightheader'));
 995
 996
 997             // --------  Screen Selector ---------
 998
 999             this.screen_selector = new module.ScreenSelector({
1000                 pos: this.pos,
1001                 screen_set:{
1002                     'products': this.product_screen,
1003                     'payment' : this.payment_screen,
1004                     'client_payment' : this.client_payment_screen,
1005                     'scale_invite' : this.scale_invite_screen,
1006                     'scale':    this.scale_screen,
1007                     'receipt' : this.receipt_screen,
1008                     'welcome' : this.welcome_screen,
1009                 },
1010                 popup_set:{
1011                     'help': this.help_popup,
1012                     'error': this.error_popup,
1013                     'error-product': this.error_product_popup,
1014                     'error-session': this.error_session_popup,
1015                     'error-negative-price': this.error_negative_price_popup,
1016                     'choose-receipt': this.choose_receipt_popup,
1017                     'error-no-client': this.error_no_client_popup,
1018                     'error-invoice-transfer': this.error_invoice_transfer_popup,
1019                 },
1020                 default_client_screen: 'welcome',
1021                 default_cashier_screen: 'products',
1022                 default_mode: this.pos.iface_self_checkout ?  'client' : 'cashier',
1023             });
1024
1025             if(this.pos.debug){
1026                 this.debug_widget = new module.DebugWidget(this);
1027                 this.debug_widget.appendTo(this.$('.pos-content'));
1028             }
1029         },
1030
1031         changed_pending_operations: function () {
1032             var self = this;
1033             this.synch_notification.on_change_nbr_pending(self.pos.get('nbr_pending_operations').length);
1034         },
1035         // shows or hide the numpad and related controls like the paypad.
1036         set_numpad_visible: function(visible){
1037             if(visible !== this.numpad_visible){
1038                 this.numpad_visible = visible;
1039                 if(visible){
1040                     this.set_left_action_bar_visible(false);
1041                     this.numpad.show();
1042                     this.paypad.show();
1043                     this.order_widget.set_display_mode('numpad');
1044                 }else{
1045                     this.numpad.hide();
1046                     this.paypad.hide();
1047                     if(this.order_widget.display_mode === 'numpad'){
1048                         this.order_widget.set_display_mode('maximized');
1049                     }
1050                 }
1051             }
1052         },
1053         set_left_action_bar_visible: function(visible){
1054             if(visible !== this.left_action_bar_visible){
1055                 this.left_action_bar_visible = visible;
1056                 if(visible){
1057                     this.set_numpad_visible(false);
1058                     this.left_action_bar.show();
1059                     this.order_widget.set_display_mode('actionbar');
1060                 }else{
1061                     this.left_action_bar.hide();
1062                     if(this.order_widget.display_mode === 'actionbar'){
1063                         this.order_widget.set_display_mode('maximized');
1064                     }
1065                 }
1066             }
1067         },
1068         set_fullscreen: function(){
1069             if(this.el.webkitRequestFullscreen){
1070                 this.el.webkitRequestFullscreen();
1071             }
1072         },
1073         //shows or hide the leftpane (contains the list of orderlines, the numpad, the paypad, etc.)
1074         set_leftpane_visible: function(visible){
1075             if(visible !== this.leftpane_visible){
1076                 this.leftpane_visible = visible;
1077                 if(visible){
1078                     this.$('.pos-leftpane').removeClass('oe_hidden').animate({'width':this.leftpane_width},500,'swing');
1079                     this.$('.pos-rightpane').animate({'left':this.leftpane_width},500,'swing');
1080                 }else{
1081                     var leftpane = this.$('.pos-leftpane');
1082                     leftpane.animate({'width':'0px'},500,'swing', function(){ leftpane.addClass('oe_hidden'); });
1083                     this.$('.pos-rightpane').animate({'left':'0px'},500,'swing');
1084                 }
1085             }
1086         },
1087         //shows or hide the controls in the PosWidget that are specific to the cashier ( Orders, close button, etc. )
1088         set_cashier_controls_visible: function(visible){
1089             if(visible !== this.cashier_controls_visible){
1090                 this.cashier_controls_visible = visible;
1091                 if(visible){
1092                     this.$('.pos-rightheader').removeClass('oe_hidden');
1093                 }else{
1094                     this.$('.pos-rightheader').addClass('oe_hidden');
1095                 }
1096             }
1097         },
1098         close: function() {
1099             var self = this;
1100
1101             function close(){
1102                 return new instance.web.Model("ir.model.data").get_func("search_read")([['name', '=', 'action_client_pos_menu']], ['res_id']).pipe(
1103                         _.bind(function(res) {
1104                     return this.rpc('/web/action/load', {'action_id': res[0]['res_id']}).pipe(_.bind(function(result) {
1105                         var action = result;
1106                         action.context = _.extend(action.context || {}, {'cancel_action': {type: 'ir.actions.client', tag: 'reload'}});
1107                         //self.destroy();
1108                         this.do_action(action);
1109                     }, this));
1110                 }, self));
1111             }
1112
1113             var draft_order = _.find( self.pos.get('orders').models, function(order){
1114                 return order.get('orderLines').length !== 0 && order.get('paymentLines').length === 0;
1115             });
1116             if(draft_order){
1117                 if (confirm(_t("Pending orders will be lost.\nAre you sure you want to leave this session?"))) {
1118                     return close();
1119                 }
1120             }else{
1121                 return close();
1122             }
1123         },
1124         destroy: function() {
1125             this.pos.destroy();
1126             instance.webclient.set_content_full_screen(false);
1127             $('.oe_leftbar').removeClass('oe_hidden');
1128             $('#oe-pos-viewport').remove();
1129             $('#oe-pos-apple-mobile').remove();
1130             this._super();
1131         }
1132     });
1133 }