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