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             if(this.display_mode === 'maximized'){
 233                 $('.point-of-sale .order-container').css({'bottom':'0px'});
 234             }else if(this.display_mode === 'actionbar'){
 235                 $('.point-of-sale .order-container').css({'bottom':'105px'});
 236             }else if(this.display_mode !== 'numpad'){
 237                 console.error('ERROR: OrderWidget renderElement(): wrong display_mode:',this.display_mode);
 238             }
 239
 240             var $content = this.$('.orderlines');
 241             this.currentOrderLines.each(_.bind( function(orderLine) {
 242                 var line = new module.OrderlineWidget(this, {
 243                         model: orderLine,
 244                         order: this.pos.get('selectedOrder'),
 245                 });
 246                 line.on('order_line_selected', self, self.update_numpad);
 247                 line.on('order_line_refreshed', self, self.update_summary);
 248                 line.appendTo($content);
 249                 self.orderlinewidgets.push(line);
 250             }, this));
 251             this.update_numpad();
 252             this.update_summary();
 253
 254             scroller = this.$('.order-scroller')[0];
 255             if(scroller){
 256                 if(scrollbottom){
 257                     scroller.scrollTop = scroller.scrollHeight - scroller.clientHeight;
 258                 }else{
 259                     scroller.scrollTop = scrollTop;
 260                 }
 261             }
 262         },
 263         update_summary: function(){
 264             var order = this.pos.get('selectedOrder');
 265             var total     = order ? order.getTotalTaxIncluded() : 0;
 266             var taxes     = order ? total - order.getTotalTaxExcluded() : 0;
 267             this.$('.summary .total > .value').html(this.format_currency(total));
 268             this.$('.summary .total .subentry .value').html(this.format_currency(taxes));
 269         },
 270         set_display_mode: function(mode){
 271             if(this.display_mode !== mode){
 272                 this.display_mode = mode;
 273                 this.renderElement();
 274             }
 275         },
 276     });
 277
 278
 279     module.PaymentlineWidget = module.PosBaseWidget.extend({
 280         template: 'PaymentlineWidget',
 281         init: function(parent, options) {
 282             this._super(parent,options);
 283             this.payment_line = options.payment_line;
 284             this.payment_line.bind('change', this.changedAmount, this);
 285         },
 286         changeAmount: function(event) {
 287             var newAmount = event.currentTarget.value;
 288             var amount = parseFloat(newAmount);
 289             if(!isNaN(amount)){
 290                 this.amount = amount;
 291                 this.payment_line.set_amount(amount);
 292             }
 293         },
 294         checkAmount: function(e){
 295             if (e.which !== 0 && e.charCode !== 0) {
 296                 if(isNaN(String.fromCharCode(e.charCode))){
 297                     return (String.fromCharCode(e.charCode) === "." && e.currentTarget.value.toString().split(".").length < 2)?true:false;
 298                 }
 299             }
 300             return true
 301         },
 302         changedAmount: function() {
 303                 if (this.amount !== this.payment_line.get_amount()){
 304                         this.renderElement();
 305             }
 306         },
 307         renderElement: function() {
 308             var self = this;
 309             this.name =   this.payment_line.get_cashregister().get('journal_id')[1];
 310             this._super();
 311             this.$('input').keypress(_.bind(this.checkAmount, this))
 312                         .keyup(function(event){
 313                 self.changeAmount(event);
 314             });
 315             this.$('.delete-payment-line').click(function() {
 316                 self.trigger('delete_payment_line', self);
 317             });
 318         },
 319         focus: function(){
 320             var val = this.$('input')[0].value;
 321             this.$('input')[0].focus();
 322             this.$('input')[0].value = val;
 323             this.$('input')[0].select();
 324         },
 325     });
 326
 327     module.OrderButtonWidget = module.PosBaseWidget.extend({
 328         template:'OrderButtonWidget',
 329         init: function(parent, options) {
 330             this._super(parent,options);
 331             var self = this;
 332
 333             this.order = options.order;
 334             this.order.bind('destroy',this.destroy, this );
 335             this.order.bind('change', this.renderElement, this );
 336             this.pos.bind('change:selectedOrder', this.renderElement,this );
 337         },
 338         renderElement:function(){
 339             this._super();
 340             var self = this;
 341             this.$el.click(function(){
 342                 self.selectOrder();
 343             });
 344             if( this.order === this.pos.get('selectedOrder') ){
 345                 this.$el.addClass('selected-order');
 346             }
 347         },
 348         selectOrder: function(event) {
 349             this.pos.set({
 350                 selectedOrder: this.order
 351             });
 352         },
 353         destroy: function(){
 354             this.order.unbind('destroy', this.destroy, this);
 355             this.order.unbind('change',  this.renderElement, this);
 356             this.pos.unbind('change:selectedOrder', this.renderElement, this);
 357             this._super();
 358         },
 359     });
 360
 361     module.ActionButtonWidget = instance.web.Widget.extend({
 362         template:'ActionButtonWidget',
 363         icon_template:'ActionButtonWidgetWithIcon',
 364         init: function(parent, options){
 365             this._super(parent, options);
 366             this.label = options.label || 'button';
 367             this.rightalign = options.rightalign || false;
 368             this.click_action = options.click;
 369             this.disabled = options.disabled || false;
 370             if(options.icon){
 371                 this.icon = options.icon;
 372                 this.template = this.icon_template;
 373             }
 374         },
 375         set_disabled: function(disabled){
 376             if(this.disabled != disabled){
 377                 this.disabled = !!disabled;
 378                 this.renderElement();
 379             }
 380         },
 381         renderElement: function(){
 382             this._super();
 383             if(this.click_action && !this.disabled){
 384                 this.$el.click(_.bind(this.click_action, this));
 385             }
 386         },
 387     });
 388
 389     module.ActionBarWidget = instance.web.Widget.extend({
 390         template:'ActionBarWidget',
 391         init: function(parent, options){
 392             this._super(parent,options);
 393             this.button_list = [];
 394             this.buttons = {};
 395             this.visibility = {};
 396         },
 397         set_element_visible: function(element, visible, action){
 398             if(visible != this.visibility[element]){
 399                 this.visibility[element] = !!visible;
 400                 if(visible){
 401                     this.$('.'+element).removeClass('oe_hidden');
 402                 }else{
 403                     this.$('.'+element).addClass('oe_hidden');
 404                 }
 405             }
 406             if(visible && action){
 407                 this.action[element] = action;
 408                 this.$('.'+element).off('click').click(action);
 409             }
 410         },
 411         set_button_disabled: function(name, disabled){
 412             var b = this.buttons[name];
 413             if(b){
 414                 b.set_disabled(disabled);
 415             }
 416         },
 417         destroy_buttons:function(){
 418             for(var i = 0; i < this.button_list.length; i++){
 419                 this.button_list[i].destroy();
 420             }
 421             this.button_list = [];
 422             this.buttons = {};
 423             return this;
 424         },
 425         get_button_count: function(){
 426             return this.button_list.length;
 427         },
 428         add_new_button: function(button_options){
 429             var button = new module.ActionButtonWidget(this,button_options);
 430             this.button_list.push(button);
 431             if(button_options.name){
 432                 this.buttons[button_options.name] = button;
 433             }
 434             button.appendTo(this.$('.pos-actionbar-button-list'));
 435             return button;
 436         },
 437         show:function(){
 438             this.$el.removeClass('oe_hidden');
 439         },
 440         hide:function(){
 441             this.$el.addClass('oe_hidden');
 442         },
 443     });
 444
 445     module.CategoryButton = module.PosBaseWidget.extend({
 446     });
 447     module.ProductCategoriesWidget = module.PosBaseWidget.extend({
 448         template: 'ProductCategoriesWidget',
 449         init: function(parent, options){
 450             var self = this;
 451             this._super(parent,options);
 452             this.product_type = options.product_type || 'all';  // 'all' | 'weightable'
 453             this.onlyWeightable = options.onlyWeightable || false;
 454             this.category = this.pos.root_category;
 455             this.breadcrumb = [];
 456             this.subcategories = [];
 457             this.set_category();
 458         },
 459
 460         // changes the category. if undefined, sets to root category
 461         set_category : function(category){
 462             var db = this.pos.db;
 463             if(!category){
 464                 this.category = db.get_category_by_id(db.root_category_id);
 465             }else{
 466                 this.category = category;
 467             }
 468             this.breadcrumb = [];
 469             var ancestors_ids = db.get_category_ancestors_ids(this.category.id);
 470             for(var i = 1; i < ancestors_ids.length; i++){
 471                 this.breadcrumb.push(db.get_category_by_id(ancestors_ids[i]));
 472             }
 473             if(this.category.id !== db.root_category_id){
 474                 this.breadcrumb.push(this.category);
 475             }
 476             this.subcategories = db.get_category_by_id(db.get_category_childs_ids(this.category.id));
 477         },
 478
 479         get_image_url: function(category){
 480             return instance.session.url('/web/binary/image', {model: 'pos.category', field: 'image_medium', id: category.id});
 481         },
 482
 483         renderElement: function(){
 484             var self = this;
 485             this._super();
 486
 487             var hasimages = false;  //if none of the subcategories have images, we don't display buttons with icons
 488             _.each(this.subcategories, function(category){
 489                 if(category.image){
 490                     hasimages = true;
 491                 }
 492             });
 493
 494             _.each(this.subcategories, function(category){
 495                 if(hasimages){
 496                     var button = QWeb.render('CategoryButton',{category:category});
 497                     var button = _.str.trim(button);
 498                     var button = $(button);
 499                     button.find('img').replaceWith(self.pos_widget.image_cache.get_image(self.get_image_url(category)));
 500                 }else{
 501                     var button = QWeb.render('CategorySimpleButton',{category:category});
 502                     button = _.str.trim(button);    // we remove whitespace between buttons to fix spacing
 503                     var button = $(button);
 504                 }
 505
 506                 button.appendTo(this.$('.category-list')).click(function(event){
 507                     var id = category.id;
 508                     var cat = self.pos.db.get_category_by_id(id);
 509                     self.set_category(cat);
 510                     self.renderElement();
 511                 });
 512             });
 513             // breadcrumb click actions
 514             this.$(".oe-pos-categories-list a").click(function(event){
 515                 var id = $(event.target).data("category-id");
 516                 var category = self.pos.db.get_category_by_id(id);
 517                 self.set_category(category);
 518                 self.renderElement();
 519             });
 520
 521             this.search_and_categories();
 522
 523             if(this.pos.iface_vkeyboard && this.pos_widget.onscreen_keyboard){
 524                 this.pos_widget.onscreen_keyboard.connect(this.$('.searchbox input'));
 525             }
 526         },
 527
 528         set_product_type: function(type){       // 'all' | 'weightable'
 529             this.product_type = type;
 530             this.reset_category();
 531         },
 532
 533         // resets the current category to the root category
 534         reset_category: function(){
 535             this.set_category();
 536             this.renderElement();
 537         },
 538
 539         // empties the content of the search box
 540         clear_search: function(){
 541             var products = this.pos.db.get_product_by_category(this.category.id);
 542             this.pos.get('products').reset(products);
 543             this.$('.searchbox input').val('').focus();
 544             this.$('.search-clear').fadeOut();
 545         },
 546
 547         // filters the products, and sets up the search callbacks
 548         search_and_categories: function(category){
 549             var self = this;
 550
 551             // find all products belonging to the current category
 552             var products = this.pos.db.get_product_by_category(this.category.id);
 553             self.pos.get('products').reset(products);
 554
 555             // filter the products according to the search string
 556             this.$('.searchbox input').keyup(function(event){
 557                 console.log('event',event);
 558                 query = $(this).val().toLowerCase();
 559                 if(query){
 560                     if(event.which === 13){
 561                         if( self.pos.get('products').size() === 1 ){
 562                             self.pos.get('selectedOrder').addProduct(self.pos.get('products').at(0));
 563                             self.clear_search();
 564                         }
 565                     }else{
 566                         var products = self.pos.db.search_product_in_category(self.category.id, query);
 567                         self.pos.get('products').reset(products);
 568                         self.$('.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.$('.search-clear').fadeOut();
 574                 }
 575             });
 576
 577             //reset the search when clicking on reset
 578             this.$('.search-clear').click(function(){
 579                 self.clear_search();
 580             });
 581         },
 582     });
 583
 584     module.ProductListWidget = module.ScreenWidget.extend({
 585         template:'ProductListWidget',
 586         init: function(parent, options) {
 587             var self = this;
 588             this._super(parent,options);
 589             this.model = options.model;
 590             this.productwidgets = [];
 591             this.weight = options.weight || 0;
 592             this.show_scale = options.show_scale || false;
 593             this.next_screen = options.next_screen || false;
 594             this.click_product_action = options.click_product_action;
 595
 596             this.pos.get('products').bind('reset', function(){
 597                 self.renderElement();
 598             });
 599         },
 600         renderElement: function() {
 601             var self = this;
 602             this._super();
 603
 604             var products = this.pos.get('products').models || [];
 605
 606             _.each(products,function(product,i){
 607                 var $product = $(QWeb.render('Product',{ widget:self, product: products[i] }));
 608                 $product.find('img').replaceWith(self.pos_widget.image_cache.get_image(products[i].get_image_url()));
 609                 $product.appendTo(self.$('.product-list'));
 610             });
 611             this.$el.delegate('a','click',function(){
 612                 self.click_product_action(new module.Product(self.pos.db.get_product_by_id(+$(this).data('product-id'))));
 613             });
 614
 615         },
 616     });
 617
 618     module.UsernameWidget = module.PosBaseWidget.extend({
 619         template: 'UsernameWidget',
 620         init: function(parent, options){
 621             var options = options || {};
 622             this._super(parent,options);
 623             this.mode = options.mode || 'cashier';
 624         },
 625         set_user_mode: function(mode){
 626             this.mode = mode;
 627             this.refresh();
 628         },
 629         refresh: function(){
 630             this.renderElement();
 631         },
 632         get_name: function(){
 633             var user;
 634             if(this.mode === 'cashier'){
 635                 user = this.pos.get('cashier') || this.pos.get('user');
 636             }else{
 637                 user = this.pos.get('selectedOrder').get_client()  || this.pos.get('user');
 638             }
 639             if(user){
 640                 return user.name;
 641             }else{
 642                 return "";
 643             }
 644         },
 645     });
 646
 647     module.HeaderButtonWidget = module.PosBaseWidget.extend({
 648         template: 'HeaderButtonWidget',
 649         init: function(parent, options){
 650             options = options || {};
 651             this._super(parent, options);
 652             this.action = options.action;
 653             this.label   = options.label;
 654         },
 655         renderElement: function(){
 656             var self = this;
 657             this._super();
 658             if(this.action){
 659                 this.$el.click(function(){
 660                     self.action();
 661                 });
 662             }
 663         },
 664         show: function(){ this.$el.removeClass('oe_hidden'); },
 665         hide: function(){ this.$el.addClass('oe_hidden'); },
 666     });
 667
 668     // The debug widget lets the user control and monitor the hardware and software status
 669     // without the use of the proxy
 670     module.DebugWidget = module.PosBaseWidget.extend({
 671         template: "DebugWidget",
 672         eans:{
 673             admin_badge:  '0410100000006',
 674             client_badge: '0420200000004',
 675             invalid_ean:  '1232456',
 676             soda_33cl:    '5449000000996',
 677             oranges_kg:   '2100002031410',
 678             lemon_price:  '2301000001560',
 679             unknown_product: '9900000000004',
 680         },
 681         events:[
 682             'scan_item_success',
 683             'scan_item_error_unrecognized',
 684             'payment_request',
 685             'open_cashbox',
 686             'print_receipt',
 687             'print_pdf_invoice',
 688             'weighting_read_kg',
 689             'payment_status',
 690         ],
 691         minimized: false,
 692         start: function(){
 693             var self = this;
 694
 695             this.$el.draggable();
 696             this.$('.toggle').click(function(){
 697                 var content = self.$('.content');
 698                 var bg      = self.$el;
 699                 if(!self.minimized){
 700                     content.animate({'height':'0'},200);
 701                 }else{
 702                     content.css({'height':'auto'});
 703                 }
 704                 self.minimized = !self.minimized;
 705             });
 706             this.$('.button.accept_payment').click(function(){
 707                 self.pos.proxy.debug_accept_payment();
 708             });
 709             this.$('.button.reject_payment').click(function(){
 710                 self.pos.proxy.debug_reject_payment();
 711             });
 712             this.$('.button.set_weight').click(function(){
 713                 var kg = Number(self.$('input.weight').val());
 714                 if(!isNaN(kg)){
 715                     self.pos.proxy.debug_set_weight(kg);
 716                 }
 717             });
 718             this.$('.button.reset_weight').click(function(){
 719                 self.$('input.weight').val('');
 720                 self.pos.proxy.debug_reset_weight();
 721             });
 722             this.$('.button.custom_ean').click(function(){
 723                 var ean = self.pos.barcode_reader.sanitize_ean(self.$('input.ean').val() || '0');
 724                 self.$('input.ean').val(ean);
 725                 self.pos.barcode_reader.scan('ean13',ean);
 726             });
 727             this.$('.button.reference').click(function(){
 728                 self.pos.barcode_reader.scan('reference',self.$('input.ean').val());
 729             });
 730             _.each(this.eans, function(ean, name){
 731                 self.$('.button.'+name).click(function(){
 732                     self.$('input.ean').val(ean);
 733                     self.pos.barcode_reader.scan('ean13',ean);
 734                 });
 735             });
 736             _.each(this.events, function(name){
 737                 self.pos.proxy.add_notification(name,function(){
 738                     self.$('.event.'+name).stop().clearQueue().css({'background-color':'#6CD11D'});
 739                     self.$('.event.'+name).animate({'background-color':'#1E1E1E'},2000);
 740                 });
 741             });
 742             self.pos.proxy.add_notification('help_needed',function(){
 743                 self.$('.status.help_needed').addClass('on');
 744             });
 745             self.pos.proxy.add_notification('help_canceled',function(){
 746                 self.$('.status.help_needed').removeClass('on');
 747             });
 748             self.pos.proxy.add_notification('transaction_start',function(){
 749                 self.$('.status.transaction').addClass('on');
 750             });
 751             self.pos.proxy.add_notification('transaction_end',function(){
 752                 self.$('.status.transaction').removeClass('on');
 753             });
 754             self.pos.proxy.add_notification('weighting_start',function(){
 755                 self.$('.status.weighting').addClass('on');
 756             });
 757             self.pos.proxy.add_notification('weighting_end',function(){
 758                 self.$('.status.weighting').removeClass('on');
 759             });
 760         },
 761     });
 762
 763 // ---------- Main Point of Sale Widget ----------
 764
 765     // this is used to notify the user that data is being synchronized on the network
 766     module.SynchNotificationWidget = module.PosBaseWidget.extend({
 767         template: "SynchNotificationWidget",
 768         init: function(parent, options){
 769             options = options || {};
 770             this._super(parent, options);
 771         },
 772         renderElement: function() {
 773             var self = this;
 774             this._super();
 775             this.$el.click(function(){
 776                 self.pos.flush();
 777             });
 778         },
 779         start: function(){
 780             var self = this;
 781             this.pos.bind('change:nbr_pending_operations', function(){
 782                 self.renderElement();
 783             });
 784         },
 785         get_nbr_pending: function(){
 786             return this.pos.get('nbr_pending_operations');
 787         },
 788     });
 789
 790
 791     // The PosWidget is the main widget that contains all other widgets in the PointOfSale.
 792     // It is mainly composed of :
 793     // - a header, containing the list of orders
 794     // - a leftpane, containing the list of bought products (orderlines)
 795     // - a rightpane, containing the screens (see pos_screens.js)
 796     // - an actionbar on the bottom, containing various action buttons
 797     // - popups
 798     // - an onscreen keyboard
 799     // a screen_selector which controls the switching between screens and the showing/closing of popups
 800
 801     module.PosWidget = module.PosBaseWidget.extend({
 802         template: 'PosWidget',
 803         init: function() {
 804             this._super(arguments[0],{});
 805
 806             instance.web.blockUI();
 807
 808             this.pos = new module.PosModel(this.session);
 809             this.pos.pos_widget = this;
 810             this.pos_widget = this; //So that pos_widget's childs have pos_widget set automatically
 811
 812             this.numpad_visible = true;
 813             this.left_action_bar_visible = true;
 814             this.leftpane_visible = true;
 815             this.leftpane_width   = '440px';
 816             this.cashier_controls_visible = true;
 817             this.image_cache = new module.ImageCache(); // for faster products image display
 818
 819             FastClick.attach(document.body);
 820
 821         },
 822
 823         start: function() {
 824             var self = this;
 825             return self.pos.ready.done(function() {
 826                 $('.oe_tooltip').remove();  // remove tooltip from the start session button
 827
 828                 self.build_currency_template();
 829                 self.renderElement();
 830
 831                 self.$('.neworder-button').click(function(){
 832                     self.pos.add_new_order();
 833                 });
 834
 835                 self.$('.deleteorder-button').click(function(){
 836                     self.pos.delete_current_order();
 837                 });
 838
 839                 //when a new order is created, add an order button widget
 840                 self.pos.get('orders').bind('add', function(new_order){
 841                     var new_order_button = new module.OrderButtonWidget(null, {
 842                         order: new_order,
 843                         pos: self.pos
 844                     });
 845                     new_order_button.appendTo(this.$('.orders'));
 846                     new_order_button.selectOrder();
 847                 }, self);
 848
 849                 self.pos.add_new_order();
 850
 851                 self.build_widgets();
 852
 853                 self.screen_selector.set_default_screen();
 854
 855
 856                 self.pos.barcode_reader.connect();
 857
 858                 instance.webclient.set_content_full_screen(true);
 859
 860                 if (!self.pos.get('pos_session')) {
 861                     self.screen_selector.show_popup('error', 'Sorry, we could not create a user session');
 862                 }else if(!self.pos.get('pos_config')){
 863                     self.screen_selector.show_popup('error', 'Sorry, we could not find any PoS Configuration for this session');
 864                 }
 865
 866                 instance.web.unblockUI();
 867                 self.$('.loader').animate({opacity:0},1500,'swing',function(){self.$('.loader').addClass('oe_hidden');});
 868
 869                 self.pos.flush();
 870
 871             }).fail(function(){   // error when loading models data from the backend
 872                 instance.web.unblockUI();
 873                 return new instance.web.Model("ir.model.data").get_func("search_read")([['name', '=', 'action_pos_session_opening']], ['res_id'])
 874                     .pipe( _.bind(function(res){
 875                         return instance.session.rpc('/web/action/load', {'action_id': res[0]['res_id']})
 876                             .pipe(_.bind(function(result){
 877                                 var action = result.result;
 878                                 this.do_action(action);
 879                             }, this));
 880                     }, self));
 881             });
 882         },
 883
 884         // This method instantiates all the screens, widgets, etc. If you want to add new screens change the
 885         // startup screen, etc, override this method.
 886         build_widgets: function() {
 887             var self = this;
 888
 889             // --------  Screens ---------
 890
 891             this.product_screen = new module.ProductScreenWidget(this,{});
 892             this.product_screen.appendTo(this.$('.pos-rightpane'));
 893
 894             this.receipt_screen = new module.ReceiptScreenWidget(this, {});
 895             this.receipt_screen.appendTo(this.$('.pos-rightpane'));
 896
 897             this.payment_screen = new module.PaymentScreenWidget(this, {});
 898             this.payment_screen.appendTo(this.$('.pos-rightpane'));
 899
 900             this.welcome_screen = new module.WelcomeScreenWidget(this,{});
 901             this.welcome_screen.appendTo(this.$('.pos-rightpane'));
 902
 903             this.client_payment_screen = new module.ClientPaymentScreenWidget(this, {});
 904             this.client_payment_screen.appendTo(this.$('.pos-rightpane'));
 905
 906             this.scale_invite_screen = new module.ScaleInviteScreenWidget(this, {});
 907             this.scale_invite_screen.appendTo(this.$('.pos-rightpane'));
 908
 909             this.scale_screen = new module.ScaleScreenWidget(this,{});
 910             this.scale_screen.appendTo(this.$('.pos-rightpane'));
 911
 912             // --------  Popups ---------
 913
 914             this.help_popup = new module.HelpPopupWidget(this, {});
 915             this.help_popup.appendTo(this.$el);
 916
 917             this.error_popup = new module.ErrorPopupWidget(this, {});
 918             this.error_popup.appendTo(this.$el);
 919
 920             this.error_product_popup = new module.ProductErrorPopupWidget(this, {});
 921             this.error_product_popup.appendTo(this.$el);
 922
 923             this.error_session_popup = new module.ErrorSessionPopupWidget(this, {});
 924             this.error_session_popup.appendTo(this.$el);
 925
 926             this.choose_receipt_popup = new module.ChooseReceiptPopupWidget(this, {});
 927             this.choose_receipt_popup.appendTo(this.$el);
 928
 929             this.error_negative_price_popup = new module.ErrorNegativePricePopupWidget(this, {});
 930             this.error_negative_price_popup.appendTo(this.$el);
 931
 932             this.error_no_client_popup = new module.ErrorNoClientPopupWidget(this, {});
 933             this.error_no_client_popup.appendTo(this.$el);
 934
 935             this.error_invoice_transfer_popup = new module.ErrorInvoiceTransferPopupWidget(this, {});
 936             this.error_invoice_transfer_popup.appendTo(this.$el);
 937
 938             // --------  Misc ---------
 939
 940             this.notification = new module.SynchNotificationWidget(this,{});
 941             this.notification.appendTo(this.$('.pos-rightheader'));
 942
 943             this.username   = new module.UsernameWidget(this,{});
 944             this.username.replace(this.$('.placeholder-UsernameWidget'));
 945
 946             this.action_bar = new module.ActionBarWidget(this);
 947             this.action_bar.appendTo(this.$(".pos-rightpane"));
 948
 949             this.left_action_bar = new module.ActionBarWidget(this);
 950             this.left_action_bar.replace(this.$('.placeholder-LeftActionBar'));
 951
 952             this.paypad = new module.PaypadWidget(this, {});
 953             this.paypad.replace(this.$('.placeholder-PaypadWidget'));
 954
 955             this.numpad = new module.NumpadWidget(this);
 956             this.numpad.replace(this.$('.placeholder-NumpadWidget'));
 957
 958             this.order_widget = new module.OrderWidget(this, {});
 959             this.order_widget.replace(this.$('.placeholder-OrderWidget'));
 960
 961             this.onscreen_keyboard = new module.OnscreenKeyboardWidget(this, {
 962                 'keyboard_model': 'simple'
 963             });
 964             this.onscreen_keyboard.replace(this.$('.placeholder-OnscreenKeyboardWidget'));
 965
 966             this.close_button = new module.HeaderButtonWidget(this,{
 967                 label: _t('Close'),
 968                 action: function(){ self.close(); },
 969             });
 970             this.close_button.appendTo(this.$('.pos-rightheader'));
 971
 972             this.client_button = new module.HeaderButtonWidget(this,{
 973                 label: _t('Self-Checkout'),
 974                 action: function(){ self.screen_selector.set_user_mode('client'); },
 975             });
 976             this.client_button.appendTo(this.$('.pos-rightheader'));
 977
 978
 979             // --------  Screen Selector ---------
 980
 981             this.screen_selector = new module.ScreenSelector({
 982                 pos: this.pos,
 983                 screen_set:{
 984                     'products': this.product_screen,
 985                     'payment' : this.payment_screen,
 986                     'client_payment' : this.client_payment_screen,
 987                     'scale_invite' : this.scale_invite_screen,
 988                     'scale':    this.scale_screen,
 989                     'receipt' : this.receipt_screen,
 990                     'welcome' : this.welcome_screen,
 991                 },
 992                 popup_set:{
 993                     'help': this.help_popup,
 994                     'error': this.error_popup,
 995                     'error-product': this.error_product_popup,
 996                     'error-session': this.error_session_popup,
 997                     'error-negative-price': this.error_negative_price_popup,
 998                     'choose-receipt': this.choose_receipt_popup,
 999                     'error-no-client': this.error_no_client_popup,
1000                     'error-invoice-transfer': this.error_invoice_transfer_popup,
1001                 },
1002                 default_client_screen: 'welcome',
1003                 default_cashier_screen: 'products',
1004                 default_mode: this.pos.iface_self_checkout ?  'client' : 'cashier',
1005             });
1006
1007             if(this.pos.debug){
1008                 this.debug_widget = new module.DebugWidget(this);
1009                 this.debug_widget.appendTo(this.$('.pos-content'));
1010             }
1011         },
1012
1013         changed_pending_operations: function () {
1014             var self = this;
1015             this.synch_notification.on_change_nbr_pending(self.pos.get('nbr_pending_operations').length);
1016         },
1017         // shows or hide the numpad and related controls like the paypad.
1018         set_numpad_visible: function(visible){
1019             if(visible !== this.numpad_visible){
1020                 this.numpad_visible = visible;
1021                 if(visible){
1022                     this.set_left_action_bar_visible(false);
1023                     this.numpad.show();
1024                     this.paypad.show();
1025                     this.order_widget.set_display_mode('numpad');
1026                 }else{
1027                     this.numpad.hide();
1028                     this.paypad.hide();
1029                     if(this.order_widget.display_mode === 'numpad'){
1030                         this.order_widget.set_display_mode('maximized');
1031                     }
1032                 }
1033             }
1034         },
1035         set_left_action_bar_visible: function(visible){
1036             if(visible !== this.left_action_bar_visible){
1037                 this.left_action_bar_visible = visible;
1038                 if(visible){
1039                     this.set_numpad_visible(false);
1040                     this.left_action_bar.show();
1041                     this.order_widget.set_display_mode('actionbar');
1042                 }else{
1043                     this.left_action_bar.hide();
1044                     if(this.order_widget.display_mode === 'actionbar'){
1045                         this.order_widget.set_display_mode('maximized');
1046                     }
1047                 }
1048             }
1049         },
1050
1051         //shows or hide the leftpane (contains the list of orderlines, the numpad, the paypad, etc.)
1052         set_leftpane_visible: function(visible){
1053             if(visible !== this.leftpane_visible){
1054                 this.leftpane_visible = visible;
1055                 if(visible){
1056                     this.$('.pos-leftpane').removeClass('oe_hidden').animate({'width':this.leftpane_width},500,'swing');
1057                     this.$('.pos-rightpane').animate({'left':this.leftpane_width},500,'swing');
1058                 }else{
1059                     var leftpane = this.$('.pos-leftpane');
1060                     leftpane.animate({'width':'0px'},500,'swing', function(){ leftpane.addClass('oe_hidden'); });
1061                     this.$('.pos-rightpane').animate({'left':'0px'},500,'swing');
1062                 }
1063             }
1064         },
1065         //shows or hide the controls in the PosWidget that are specific to the cashier ( Orders, close button, etc. )
1066         set_cashier_controls_visible: function(visible){
1067             if(visible !== this.cashier_controls_visible){
1068                 this.cashier_controls_visible = visible;
1069                 if(visible){
1070                     this.$('.pos-rightheader').removeClass('oe_hidden');
1071                 }else{
1072                     this.$('.pos-rightheader').addClass('oe_hidden');
1073                 }
1074             }
1075         },
1076         close: function() {
1077             var self = this;
1078
1079             function close(){
1080                 return new instance.web.Model("ir.model.data").get_func("search_read")([['name', '=', 'action_client_pos_menu']], ['res_id']).pipe(
1081                         _.bind(function(res) {
1082                     return this.rpc('/web/action/load', {'action_id': res[0]['res_id']}).pipe(_.bind(function(result) {
1083                         var action = result;
1084                         action.context = _.extend(action.context || {}, {'cancel_action': {type: 'ir.actions.client', tag: 'reload'}});
1085                         //self.destroy();
1086                         this.do_action(action);
1087                     }, this));
1088                 }, self));
1089             }
1090
1091             var draft_order = _.find( self.pos.get('orders').models, function(order){
1092                 return order.get('orderLines').length !== 0 && order.get('paymentLines').length === 0;
1093             });
1094             if(draft_order){
1095                 if (confirm(_t("Pending orders will be lost.\nAre you sure you want to leave this session?"))) {
1096                     return close();
1097                 }
1098             }else{
1099                 return close();
1100             }
1101         },
1102         destroy: function() {
1103             this.pos.destroy();
1104             instance.webclient.set_content_full_screen(false);
1105             this._super();
1106         }
1107     });
1108 }