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                 if(scrollbottom){
 249                     scroller.scrollTop = scroller.scrollHeight - scroller.clientHeight;
 250                 }else{
 251                     scroller.scrollTop = scrollTop;
 252                 }
 253             }
 254         },
 255         update_summary: function(){
 256             var order = this.pos.get('selectedOrder');
 257             var total     = order ? order.getTotalTaxIncluded() : 0;
 258             var taxes     = order ? total - order.getTotalTaxExcluded() : 0;
 259             this.$('.summary .total > .value').html(this.format_currency(total));
 260             this.$('.summary .total .subentry .value').html(this.format_currency(taxes));
 261         },
 262         set_display_mode: function(mode){
 263             if(this.display_mode !== mode){
 264                 this.display_mode = mode;
 265                 this.renderElement();
 266             }
 267         },
 268     });
 269
 270
 271     module.PaymentlineWidget = module.PosBaseWidget.extend({
 272         template: 'PaymentlineWidget',
 273         init: function(parent, options) {
 274             this._super(parent,options);
 275             this.payment_line = options.payment_line;
 276             this.payment_line.bind('change', this.changedAmount, this);
 277         },
 278         changeAmount: function(event) {
 279             var newAmount = event.currentTarget.value;
 280             var amount = parseFloat(newAmount);
 281             if(!isNaN(amount)){
 282                 this.amount = amount;
 283                 this.payment_line.set_amount(amount);
 284             }
 285         },
 286         checkAmount: function(e){
 287             if (e.which !== 0 && e.charCode !== 0) {
 288                 if(isNaN(String.fromCharCode(e.charCode))){
 289                     return (String.fromCharCode(e.charCode) === "." && e.currentTarget.value.toString().split(".").length < 2)?true:false;
 290                 }
 291             }
 292             return true
 293         },
 294         changedAmount: function() {
 295                 if (this.amount !== this.payment_line.get_amount()){
 296                         this.renderElement();
 297             }
 298         },
 299         renderElement: function() {
 300             var self = this;
 301             this.name =   this.payment_line.get_cashregister().get('journal_id')[1];
 302             this._super();
 303             this.$('input').keypress(_.bind(this.checkAmount, this))
 304                         .keyup(function(event){
 305                 self.changeAmount(event);
 306             });
 307             this.$('.delete-payment-line').click(function() {
 308                 self.trigger('delete_payment_line', self);
 309             });
 310         },
 311         focus: function(){
 312             var val = this.$('input')[0].value;
 313             this.$('input')[0].focus();
 314             this.$('input')[0].value = val;
 315             this.$('input')[0].select();
 316         },
 317     });
 318
 319     module.OrderButtonWidget = module.PosBaseWidget.extend({
 320         template:'OrderButtonWidget',
 321         init: function(parent, options) {
 322             this._super(parent,options);
 323             var self = this;
 324
 325             this.order = options.order;
 326             this.order.bind('destroy',this.destroy, this );
 327             this.order.bind('change', this.renderElement, this );
 328             this.pos.bind('change:selectedOrder', this.renderElement,this );
 329         },
 330         renderElement:function(){
 331             this._super();
 332             var self = this;
 333             this.$el.click(function(){
 334                 self.selectOrder();
 335             });
 336             if( this.order === this.pos.get('selectedOrder') ){
 337                 this.$el.addClass('selected-order');
 338             }
 339         },
 340         selectOrder: function(event) {
 341             this.pos.set({
 342                 selectedOrder: this.order
 343             });
 344         },
 345         destroy: function(){
 346             this.order.unbind('destroy', this.destroy, this);
 347             this.order.unbind('change',  this.renderElement, this);
 348             this.pos.unbind('change:selectedOrder', this.renderElement, this);
 349             this._super();
 350         },
 351     });
 352
 353     module.ActionButtonWidget = instance.web.Widget.extend({
 354         template:'ActionButtonWidget',
 355         icon_template:'ActionButtonWidgetWithIcon',
 356         init: function(parent, options){
 357             this._super(parent, options);
 358             this.label = options.label || 'button';
 359             this.rightalign = options.rightalign || false;
 360             this.click_action = options.click;
 361             this.disabled = options.disabled || false;
 362             if(options.icon){
 363                 this.icon = options.icon;
 364                 this.template = this.icon_template;
 365             }
 366         },
 367         set_disabled: function(disabled){
 368             if(this.disabled != disabled){
 369                 this.disabled = !!disabled;
 370                 this.renderElement();
 371             }
 372         },
 373         renderElement: function(){
 374             this._super();
 375             if(this.click_action && !this.disabled){
 376                 this.$el.click(_.bind(this.click_action, this));
 377             }
 378         },
 379     });
 380
 381     module.ActionBarWidget = instance.web.Widget.extend({
 382         template:'ActionBarWidget',
 383         init: function(parent, options){
 384             this._super(parent,options);
 385             this.button_list = [];
 386             this.buttons = {};
 387             this.visibility = {};
 388         },
 389         set_element_visible: function(element, visible, action){
 390             if(visible != this.visibility[element]){
 391                 this.visibility[element] = !!visible;
 392                 if(visible){
 393                     this.$('.'+element).removeClass('oe_hidden');
 394                 }else{
 395                     this.$('.'+element).addClass('oe_hidden');
 396                 }
 397             }
 398             if(visible && action){
 399                 this.action[element] = action;
 400                 this.$('.'+element).off('click').click(action);
 401             }
 402         },
 403         set_button_disabled: function(name, disabled){
 404             var b = this.buttons[name];
 405             if(b){
 406                 b.set_disabled(disabled);
 407             }
 408         },
 409         destroy_buttons:function(){
 410             for(var i = 0; i < this.button_list.length; i++){
 411                 this.button_list[i].destroy();
 412             }
 413             this.button_list = [];
 414             this.buttons = {};
 415             return this;
 416         },
 417         get_button_count: function(){
 418             return this.button_list.length;
 419         },
 420         add_new_button: function(button_options){
 421             var button = new module.ActionButtonWidget(this,button_options);
 422             this.button_list.push(button);
 423             if(button_options.name){
 424                 this.buttons[button_options.name] = button;
 425             }
 426             button.appendTo(this.$('.pos-actionbar-button-list'));
 427             return button;
 428         },
 429         show:function(){
 430             this.$el.removeClass('oe_hidden');
 431         },
 432         hide:function(){
 433             this.$el.addClass('oe_hidden');
 434         },
 435     });
 436
 437     module.CategoryButton = module.PosBaseWidget.extend({
 438     });
 439     module.ProductCategoriesWidget = module.PosBaseWidget.extend({
 440         template: 'ProductCategoriesWidget',
 441         init: function(parent, options){
 442             var self = this;
 443             this._super(parent,options);
 444             this.product_type = options.product_type || 'all';  // 'all' | 'weightable'
 445             this.onlyWeightable = options.onlyWeightable || false;
 446             this.category = this.pos.root_category;
 447             this.breadcrumb = [];
 448             this.subcategories = [];
 449             this.set_category();
 450         },
 451
 452         // changes the category. if undefined, sets to root category
 453         set_category : function(category){
 454             var db = this.pos.db;
 455             if(!category){
 456                 this.category = db.get_category_by_id(db.root_category_id);
 457             }else{
 458                 this.category = category;
 459             }
 460             this.breadcrumb = [];
 461             var ancestors_ids = db.get_category_ancestors_ids(this.category.id);
 462             for(var i = 1; i < ancestors_ids.length; i++){
 463                 this.breadcrumb.push(db.get_category_by_id(ancestors_ids[i]));
 464             }
 465             if(this.category.id !== db.root_category_id){
 466                 this.breadcrumb.push(this.category);
 467             }
 468             this.subcategories = db.get_category_by_id(db.get_category_childs_ids(this.category.id));
 469         },
 470
 471         get_image_url: function(category){
 472             return instance.session.url('/web/binary/image', {model: 'pos.category', field: 'image_medium', id: category.id});
 473         },
 474
 475         renderElement: function(){
 476             var self = this;
 477             this._super();
 478
 479             var hasimages = false;  //if none of the subcategories have images, we don't display buttons with icons
 480             _.each(this.subcategories, function(category){
 481                 if(category.image){
 482                     hasimages = true;
 483                 }
 484             });
 485
 486             _.each(this.subcategories, function(category){
 487                 if(hasimages){
 488                     var button = QWeb.render('CategoryButton',{category:category});
 489                     var button = _.str.trim(button);
 490                     var button = $(button);
 491                     button.find('img').replaceWith(self.pos_widget.image_cache.get_image(self.get_image_url(category)));
 492                 }else{
 493                     var button = QWeb.render('CategorySimpleButton',{category:category});
 494                     button = _.str.trim(button);    // we remove whitespace between buttons to fix spacing
 495                     var button = $(button);
 496                 }
 497
 498                 button.appendTo(this.$('.category-list')).click(function(event){
 499                     var id = category.id;
 500                     var cat = self.pos.db.get_category_by_id(id);
 501                     self.set_category(cat);
 502                     self.renderElement();
 503                 });
 504             });
 505             // breadcrumb click actions
 506             this.$(".oe-pos-categories-list a").click(function(event){
 507                 var id = $(event.target).data("category-id");
 508                 var category = self.pos.db.get_category_by_id(id);
 509                 self.set_category(category);
 510                 self.renderElement();
 511             });
 512
 513             this.search_and_categories();
 514
 515             if(this.pos.iface_vkeyboard && this.pos_widget.onscreen_keyboard){
 516                 this.pos_widget.onscreen_keyboard.connect(this.$('.searchbox input'));
 517             }
 518         },
 519
 520         set_product_type: function(type){       // 'all' | 'weightable'
 521             this.product_type = type;
 522             this.reset_category();
 523         },
 524
 525         // resets the current category to the root category
 526         reset_category: function(){
 527             this.set_category();
 528             this.renderElement();
 529         },
 530
 531         // empties the content of the search box
 532         clear_search: function(){
 533             var products = this.pos.db.get_product_by_category(this.category.id);
 534             this.pos.get('products').reset(products);
 535             this.$('.searchbox input').val('').focus();
 536             this.$('.search-clear').fadeOut();
 537         },
 538
 539         // filters the products, and sets up the search callbacks
 540         search_and_categories: function(category){
 541             var self = this;
 542
 543             // find all products belonging to the current category
 544             var products = this.pos.db.get_product_by_category(this.category.id);
 545             self.pos.get('products').reset(products);
 546
 547             // filter the products according to the search string
 548             this.$('.searchbox input').keyup(function(event){
 549                 query = $(this).val().toLowerCase();
 550                 if(query){
 551                     if(event.which === 13){
 552                         if( self.pos.get('products').size() === 1 ){
 553                             self.pos.get('selectedOrder').addProduct(self.pos.get('products').at(0));
 554                             self.clear_search();
 555                         }
 556                     }else{
 557                         var products = self.pos.db.search_product_in_category(self.category.id, query);
 558                         self.pos.get('products').reset(products);
 559                         self.$('.search-clear').fadeIn();
 560                     }
 561                 }else{
 562                     var products = self.pos.db.get_product_by_category(self.category.id);
 563                     self.pos.get('products').reset(products);
 564                     self.$('.search-clear').fadeOut();
 565                 }
 566             });
 567
 568             //reset the search when clicking on reset
 569             this.$('.search-clear').click(function(){
 570                 self.clear_search();
 571             });
 572         },
 573     });
 574
 575     module.ProductListWidget = module.ScreenWidget.extend({
 576         template:'ProductListWidget',
 577         init: function(parent, options) {
 578             var self = this;
 579             this._super(parent,options);
 580             this.model = options.model;
 581             this.productwidgets = [];
 582             this.weight = options.weight || 0;
 583             this.show_scale = options.show_scale || false;
 584             this.next_screen = options.next_screen || false;
 585             this.click_product_action = options.click_product_action;
 586
 587             this.pos.get('products').bind('reset', function(){
 588                 self.renderElement();
 589             });
 590         },
 591         renderElement: function() {
 592             var self = this;
 593             this._super();
 594
 595             var products = this.pos.get('products').models || [];
 596
 597             _.each(products,function(product,i){
 598                 var $product = $(QWeb.render('Product',{ widget:self, product: products[i] }));
 599                 $product.find('img').replaceWith(self.pos_widget.image_cache.get_image(products[i].get_image_url()));
 600                 $product.appendTo(self.$('.product-list'));
 601             });
 602             this.$el.delegate('a','click',function(){
 603                 self.click_product_action(new module.Product(self.pos.db.get_product_by_id(+$(this).data('product-id'))));
 604             });
 605
 606         },
 607     });
 608
 609     module.UsernameWidget = module.PosBaseWidget.extend({
 610         template: 'UsernameWidget',
 611         init: function(parent, options){
 612             var options = options || {};
 613             this._super(parent,options);
 614             this.mode = options.mode || 'cashier';
 615         },
 616         set_user_mode: function(mode){
 617             this.mode = mode;
 618             this.refresh();
 619         },
 620         refresh: function(){
 621             this.renderElement();
 622         },
 623         get_name: function(){
 624             var user;
 625             if(this.mode === 'cashier'){
 626                 user = this.pos.get('cashier') || this.pos.get('user');
 627             }else{
 628                 user = this.pos.get('selectedOrder').get_client()  || this.pos.get('user');
 629             }
 630             if(user){
 631                 return user.name;
 632             }else{
 633                 return "";
 634             }
 635         },
 636     });
 637
 638     module.HeaderButtonWidget = module.PosBaseWidget.extend({
 639         template: 'HeaderButtonWidget',
 640         init: function(parent, options){
 641             options = options || {};
 642             this._super(parent, options);
 643             this.action = options.action;
 644             this.label   = options.label;
 645         },
 646         renderElement: function(){
 647             var self = this;
 648             this._super();
 649             if(this.action){
 650                 this.$el.click(function(){
 651                     self.action();
 652                 });
 653             }
 654         },
 655         show: function(){ this.$el.removeClass('oe_hidden'); },
 656         hide: function(){ this.$el.addClass('oe_hidden'); },
 657     });
 658
 659     // The debug widget lets the user control and monitor the hardware and software status
 660     // without the use of the proxy
 661     module.DebugWidget = module.PosBaseWidget.extend({
 662         template: "DebugWidget",
 663         eans:{
 664             admin_badge:  '0410100000006',
 665             client_badge: '0420200000004',
 666             invalid_ean:  '1232456',
 667             soda_33cl:    '5449000000996',
 668             oranges_kg:   '2100002031410',
 669             lemon_price:  '2301000001560',
 670             unknown_product: '9900000000004',
 671         },
 672         events:[
 673             'scan_item_success',
 674             'scan_item_error_unrecognized',
 675             'payment_request',
 676             'open_cashbox',
 677             'print_receipt',
 678             'print_pdf_invoice',
 679             'weighting_read_kg',
 680             'payment_status',
 681         ],
 682         minimized: false,
 683         start: function(){
 684             var self = this;
 685
 686             this.$el.draggable();
 687             this.$('.toggle').click(function(){
 688                 var content = self.$('.content');
 689                 var bg      = self.$el;
 690                 if(!self.minimized){
 691                     content.animate({'height':'0'},200);
 692                 }else{
 693                     content.css({'height':'auto'});
 694                 }
 695                 self.minimized = !self.minimized;
 696             });
 697             this.$('.button.accept_payment').click(function(){
 698                 self.pos.proxy.debug_accept_payment();
 699             });
 700             this.$('.button.reject_payment').click(function(){
 701                 self.pos.proxy.debug_reject_payment();
 702             });
 703             this.$('.button.set_weight').click(function(){
 704                 var kg = Number(self.$('input.weight').val());
 705                 if(!isNaN(kg)){
 706                     self.pos.proxy.debug_set_weight(kg);
 707                 }
 708             });
 709             this.$('.button.reset_weight').click(function(){
 710                 self.$('input.weight').val('');
 711                 self.pos.proxy.debug_reset_weight();
 712             });
 713             this.$('.button.custom_ean').click(function(){
 714                 var ean = self.pos.barcode_reader.sanitize_ean(self.$('input.ean').val() || '0');
 715                 self.$('input.ean').val(ean);
 716                 self.pos.barcode_reader.scan('ean13',ean);
 717             });
 718             this.$('.button.reference').click(function(){
 719                 self.pos.barcode_reader.scan('reference',self.$('input.ean').val());
 720             });
 721             _.each(this.eans, function(ean, name){
 722                 self.$('.button.'+name).click(function(){
 723                     self.$('input.ean').val(ean);
 724                     self.pos.barcode_reader.scan('ean13',ean);
 725                 });
 726             });
 727             _.each(this.events, function(name){
 728                 self.pos.proxy.add_notification(name,function(){
 729                     self.$('.event.'+name).stop().clearQueue().css({'background-color':'#6CD11D'});
 730                     self.$('.event.'+name).animate({'background-color':'#1E1E1E'},2000);
 731                 });
 732             });
 733             self.pos.proxy.add_notification('help_needed',function(){
 734                 self.$('.status.help_needed').addClass('on');
 735             });
 736             self.pos.proxy.add_notification('help_canceled',function(){
 737                 self.$('.status.help_needed').removeClass('on');
 738             });
 739             self.pos.proxy.add_notification('transaction_start',function(){
 740                 self.$('.status.transaction').addClass('on');
 741             });
 742             self.pos.proxy.add_notification('transaction_end',function(){
 743                 self.$('.status.transaction').removeClass('on');
 744             });
 745             self.pos.proxy.add_notification('weighting_start',function(){
 746                 self.$('.status.weighting').addClass('on');
 747             });
 748             self.pos.proxy.add_notification('weighting_end',function(){
 749                 self.$('.status.weighting').removeClass('on');
 750             });
 751         },
 752     });
 753
 754 // ---------- Main Point of Sale Widget ----------
 755
 756     // this is used to notify the user that data is being synchronized on the network
 757     module.SynchNotificationWidget = module.PosBaseWidget.extend({
 758         template: "SynchNotificationWidget",
 759         init: function(parent, options){
 760             options = options || {};
 761             this._super(parent, options);
 762         },
 763         renderElement: function() {
 764             var self = this;
 765             this._super();
 766             this.$el.click(function(){
 767                 self.pos.flush();
 768             });
 769         },
 770         start: function(){
 771             var self = this;
 772             this.pos.bind('change:nbr_pending_operations', function(){
 773                 self.renderElement();
 774             });
 775         },
 776         get_nbr_pending: function(){
 777             return this.pos.get('nbr_pending_operations');
 778         },
 779     });
 780
 781
 782     // The PosWidget is the main widget that contains all other widgets in the PointOfSale.
 783     // It is mainly composed of :
 784     // - a header, containing the list of orders
 785     // - a leftpane, containing the list of bought products (orderlines)
 786     // - a rightpane, containing the screens (see pos_screens.js)
 787     // - an actionbar on the bottom, containing various action buttons
 788     // - popups
 789     // - an onscreen keyboard
 790     // a screen_selector which controls the switching between screens and the showing/closing of popups
 791
 792     module.PosWidget = module.PosBaseWidget.extend({
 793         template: 'PosWidget',
 794         init: function() {
 795             this._super(arguments[0],{});
 796
 797             instance.web.blockUI();
 798
 799             this.pos = new module.PosModel(this.session);
 800             this.pos.pos_widget = this;
 801             this.pos_widget = this; //So that pos_widget's childs have pos_widget set automatically
 802
 803             this.numpad_visible = true;
 804             this.left_action_bar_visible = true;
 805             this.leftpane_visible = true;
 806             this.leftpane_width   = '440px';
 807             this.cashier_controls_visible = true;
 808             this.image_cache = new module.ImageCache(); // for faster products image display
 809
 810             FastClick.attach(document.body);
 811
 812         },
 813
 814         start: function() {
 815             var self = this;
 816             return self.pos.ready.done(function() {
 817                 $('.oe_tooltip').remove();  // remove tooltip from the start session button
 818
 819                 self.build_currency_template();
 820                 self.renderElement();
 821
 822                 self.$('.neworder-button').click(function(){
 823                     self.pos.add_new_order();
 824                 });
 825
 826                 self.$('.deleteorder-button').click(function(){
 827                     self.pos.delete_current_order();
 828                 });
 829
 830                 //when a new order is created, add an order button widget
 831                 self.pos.get('orders').bind('add', function(new_order){
 832                     var new_order_button = new module.OrderButtonWidget(null, {
 833                         order: new_order,
 834                         pos: self.pos
 835                     });
 836                     new_order_button.appendTo(this.$('.orders'));
 837                     new_order_button.selectOrder();
 838                 }, self);
 839
 840                 self.pos.add_new_order();
 841
 842                 self.build_widgets();
 843
 844                 if(self.pos.iface_big_scrollbars){
 845                     self.$el.addClass('big-scrollbars');
 846                 }
 847
 848                 self.screen_selector.set_default_screen();
 849
 850
 851                 self.pos.barcode_reader.connect();
 852
 853                 instance.webclient.set_content_full_screen(true);
 854
 855                 if (!self.pos.get('pos_session')) {
 856                     self.screen_selector.show_popup('error', 'Sorry, we could not create a user session');
 857                 }else if(!self.pos.get('pos_config')){
 858                     self.screen_selector.show_popup('error', 'Sorry, we could not find any PoS Configuration for this session');
 859                 }
 860
 861                 instance.web.unblockUI();
 862                 self.$('.loader').animate({opacity:0},1500,'swing',function(){self.$('.loader').addClass('oe_hidden');});
 863
 864                 self.pos.flush();
 865
 866             }).fail(function(){   // error when loading models data from the backend
 867                 instance.web.unblockUI();
 868                 return new instance.web.Model("ir.model.data").get_func("search_read")([['name', '=', 'action_pos_session_opening']], ['res_id'])
 869                     .pipe( _.bind(function(res){
 870                         return instance.session.rpc('/web/action/load', {'action_id': res[0]['res_id']})
 871                             .pipe(_.bind(function(result){
 872                                 var action = result.result;
 873                                 this.do_action(action);
 874                             }, this));
 875                     }, self));
 876             });
 877         },
 878
 879         // This method instantiates all the screens, widgets, etc. If you want to add new screens change the
 880         // startup screen, etc, override this method.
 881         build_widgets: function() {
 882             var self = this;
 883
 884             // --------  Screens ---------
 885
 886             this.product_screen = new module.ProductScreenWidget(this,{});
 887             this.product_screen.appendTo(this.$('.screens'));
 888
 889             this.receipt_screen = new module.ReceiptScreenWidget(this, {});
 890             this.receipt_screen.appendTo(this.$('.screens'));
 891
 892             this.payment_screen = new module.PaymentScreenWidget(this, {});
 893             this.payment_screen.appendTo(this.$('.screens'));
 894
 895             this.welcome_screen = new module.WelcomeScreenWidget(this,{});
 896             this.welcome_screen.appendTo(this.$('.screens'));
 897
 898             this.client_payment_screen = new module.ClientPaymentScreenWidget(this, {});
 899             this.client_payment_screen.appendTo(this.$('.screens'));
 900
 901             this.scale_invite_screen = new module.ScaleInviteScreenWidget(this, {});
 902             this.scale_invite_screen.appendTo(this.$('.screens'));
 903
 904             this.scale_screen = new module.ScaleScreenWidget(this,{});
 905             this.scale_screen.appendTo(this.$('.screens'));
 906
 907             // --------  Popups ---------
 908
 909             this.help_popup = new module.HelpPopupWidget(this, {});
 910             this.help_popup.appendTo(this.$el);
 911
 912             this.error_popup = new module.ErrorPopupWidget(this, {});
 913             this.error_popup.appendTo(this.$el);
 914
 915             this.error_product_popup = new module.ProductErrorPopupWidget(this, {});
 916             this.error_product_popup.appendTo(this.$el);
 917
 918             this.error_session_popup = new module.ErrorSessionPopupWidget(this, {});
 919             this.error_session_popup.appendTo(this.$el);
 920
 921             this.choose_receipt_popup = new module.ChooseReceiptPopupWidget(this, {});
 922             this.choose_receipt_popup.appendTo(this.$el);
 923
 924             this.error_negative_price_popup = new module.ErrorNegativePricePopupWidget(this, {});
 925             this.error_negative_price_popup.appendTo(this.$el);
 926
 927             this.error_no_client_popup = new module.ErrorNoClientPopupWidget(this, {});
 928             this.error_no_client_popup.appendTo(this.$el);
 929
 930             this.error_invoice_transfer_popup = new module.ErrorInvoiceTransferPopupWidget(this, {});
 931             this.error_invoice_transfer_popup.appendTo(this.$el);
 932
 933             // --------  Misc ---------
 934
 935             this.notification = new module.SynchNotificationWidget(this,{});
 936             this.notification.appendTo(this.$('.pos-rightheader'));
 937
 938             this.username   = new module.UsernameWidget(this,{});
 939             this.username.replace(this.$('.placeholder-UsernameWidget'));
 940
 941             this.action_bar = new module.ActionBarWidget(this);
 942             this.action_bar.replace(this.$(".placeholder-RightActionBar"));
 943
 944             this.left_action_bar = new module.ActionBarWidget(this);
 945             this.left_action_bar.replace(this.$('.placeholder-LeftActionBar'));
 946
 947             this.paypad = new module.PaypadWidget(this, {});
 948             this.paypad.replace(this.$('.placeholder-PaypadWidget'));
 949
 950             this.numpad = new module.NumpadWidget(this);
 951             this.numpad.replace(this.$('.placeholder-NumpadWidget'));
 952
 953             this.order_widget = new module.OrderWidget(this, {});
 954             this.order_widget.replace(this.$('.placeholder-OrderWidget'));
 955
 956             this.onscreen_keyboard = new module.OnscreenKeyboardWidget(this, {
 957                 'keyboard_model': 'simple'
 958             });
 959             this.onscreen_keyboard.replace(this.$('.placeholder-OnscreenKeyboardWidget'));
 960
 961             this.close_button = new module.HeaderButtonWidget(this,{
 962                 label: _t('Close'),
 963                 action: function(){ self.close(); },
 964             });
 965             this.close_button.appendTo(this.$('.pos-rightheader'));
 966
 967             this.client_button = new module.HeaderButtonWidget(this,{
 968                 label: _t('Self-Checkout'),
 969                 action: function(){ self.screen_selector.set_user_mode('client'); },
 970             });
 971             this.client_button.appendTo(this.$('.pos-rightheader'));
 972
 973
 974             // --------  Screen Selector ---------
 975
 976             this.screen_selector = new module.ScreenSelector({
 977                 pos: this.pos,
 978                 screen_set:{
 979                     'products': this.product_screen,
 980                     'payment' : this.payment_screen,
 981                     'client_payment' : this.client_payment_screen,
 982                     'scale_invite' : this.scale_invite_screen,
 983                     'scale':    this.scale_screen,
 984                     'receipt' : this.receipt_screen,
 985                     'welcome' : this.welcome_screen,
 986                 },
 987                 popup_set:{
 988                     'help': this.help_popup,
 989                     'error': this.error_popup,
 990                     'error-product': this.error_product_popup,
 991                     'error-session': this.error_session_popup,
 992                     'error-negative-price': this.error_negative_price_popup,
 993                     'choose-receipt': this.choose_receipt_popup,
 994                     'error-no-client': this.error_no_client_popup,
 995                     'error-invoice-transfer': this.error_invoice_transfer_popup,
 996                 },
 997                 default_client_screen: 'welcome',
 998                 default_cashier_screen: 'products',
 999                 default_mode: this.pos.iface_self_checkout ?  'client' : 'cashier',
1000             });
1001
1002             if(this.pos.debug){
1003                 this.debug_widget = new module.DebugWidget(this);
1004                 this.debug_widget.appendTo(this.$('.pos-content'));
1005             }
1006         },
1007
1008         changed_pending_operations: function () {
1009             var self = this;
1010             this.synch_notification.on_change_nbr_pending(self.pos.get('nbr_pending_operations').length);
1011         },
1012         // shows or hide the numpad and related controls like the paypad.
1013         set_numpad_visible: function(visible){
1014             if(visible !== this.numpad_visible){
1015                 this.numpad_visible = visible;
1016                 if(visible){
1017                     this.set_left_action_bar_visible(false);
1018                     this.numpad.show();
1019                     this.paypad.show();
1020                     this.order_widget.set_display_mode('numpad');
1021                 }else{
1022                     this.numpad.hide();
1023                     this.paypad.hide();
1024                     if(this.order_widget.display_mode === 'numpad'){
1025                         this.order_widget.set_display_mode('maximized');
1026                     }
1027                 }
1028             }
1029         },
1030         set_left_action_bar_visible: function(visible){
1031             if(visible !== this.left_action_bar_visible){
1032                 this.left_action_bar_visible = visible;
1033                 if(visible){
1034                     this.set_numpad_visible(false);
1035                     this.left_action_bar.show();
1036                     this.order_widget.set_display_mode('actionbar');
1037                 }else{
1038                     this.left_action_bar.hide();
1039                     if(this.order_widget.display_mode === 'actionbar'){
1040                         this.order_widget.set_display_mode('maximized');
1041                     }
1042                 }
1043             }
1044         },
1045
1046         //shows or hide the leftpane (contains the list of orderlines, the numpad, the paypad, etc.)
1047         set_leftpane_visible: function(visible){
1048             if(visible !== this.leftpane_visible){
1049                 this.leftpane_visible = visible;
1050                 if(visible){
1051                     this.$('.pos-leftpane').removeClass('oe_hidden').animate({'width':this.leftpane_width},500,'swing');
1052                     this.$('.pos-rightpane').animate({'left':this.leftpane_width},500,'swing');
1053                 }else{
1054                     var leftpane = this.$('.pos-leftpane');
1055                     leftpane.animate({'width':'0px'},500,'swing', function(){ leftpane.addClass('oe_hidden'); });
1056                     this.$('.pos-rightpane').animate({'left':'0px'},500,'swing');
1057                 }
1058             }
1059         },
1060         //shows or hide the controls in the PosWidget that are specific to the cashier ( Orders, close button, etc. )
1061         set_cashier_controls_visible: function(visible){
1062             if(visible !== this.cashier_controls_visible){
1063                 this.cashier_controls_visible = visible;
1064                 if(visible){
1065                     this.$('.pos-rightheader').removeClass('oe_hidden');
1066                 }else{
1067                     this.$('.pos-rightheader').addClass('oe_hidden');
1068                 }
1069             }
1070         },
1071         close: function() {
1072             var self = this;
1073
1074             function close(){
1075                 return new instance.web.Model("ir.model.data").get_func("search_read")([['name', '=', 'action_client_pos_menu']], ['res_id']).pipe(
1076                         _.bind(function(res) {
1077                     return this.rpc('/web/action/load', {'action_id': res[0]['res_id']}).pipe(_.bind(function(result) {
1078                         var action = result;
1079                         action.context = _.extend(action.context || {}, {'cancel_action': {type: 'ir.actions.client', tag: 'reload'}});
1080                         //self.destroy();
1081                         this.do_action(action);
1082                     }, this));
1083                 }, self));
1084             }
1085
1086             var draft_order = _.find( self.pos.get('orders').models, function(order){
1087                 return order.get('orderLines').length !== 0 && order.get('paymentLines').length === 0;
1088             });
1089             if(draft_order){
1090                 if (confirm(_t("Pending orders will be lost.\nAre you sure you want to leave this session?"))) {
1091                     return close();
1092                 }
1093             }else{
1094                 return close();
1095             }
1096         },
1097         destroy: function() {
1098             this.pos.destroy();
1099             instance.webclient.set_content_full_screen(false);
1100             this._super();
1101         }
1102     });
1103 }