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         var _t = instance.web._t;
   4
   5     module.DomCache = instance.web.Class.extend({
   6         init: function(options){
   7             options = options || {};
   8             this.max_size = options.max_size || 2000;
   9
  10             this.cache = {};
  11             this.access_time = {};
  12             this.size = 0;
  13         },
  14         cache_node: function(key,node){
  15             var cached = this.cache[key];
  16             this.cache[key] = node;
  17             this.access_time[key] = new Date().getTime();
  18             if(!cached){
  19                 this.size++;
  20                 while(this.size >= this.max_size){
  21                     var oldest_key = null;
  22                     var oldest_time = new Date().getTime();
  23                     for(var key in this.cache){
  24                         var time = this.access_time[key];
  25                         if(time <= oldest_time){
  26                             oldest_time = time;
  27                             oldest_key  = key;
  28                         }
  29                     }
  30                     if(oldestKey){
  31                         delete this.cache[oldest_key];
  32                         delete this.access_time[oldest_key];
  33                     }
  34                     this.size--;
  35                 }
  36             }
  37             return node;
  38         },
  39         get_node: function(key){
  40             var cached = this.cache[key];
  41             if(cached){
  42                 this.access_time[key] = new Date().getTime();
  43             }
  44             return cached;
  45         },
  46     });
  47
  48     module.NumpadWidget = module.PosBaseWidget.extend({
  49         template:'NumpadWidget',
  50         init: function(parent, options) {
  51             this._super(parent);
  52             this.state = new module.NumpadState();
  53             window.numpadstate = this.state;
  54             var self = this;
  55         },
  56         start: function() {
  57             this.state.bind('change:mode', this.changedMode, this);
  58             this.changedMode();
  59             this.$el.find('.numpad-backspace').click(_.bind(this.clickDeleteLastChar, this));
  60             this.$el.find('.numpad-minus').click(_.bind(this.clickSwitchSign, this));
  61             this.$el.find('.number-char').click(_.bind(this.clickAppendNewChar, this));
  62             this.$el.find('.mode-button').click(_.bind(this.clickChangeMode, this));
  63         },
  64         clickDeleteLastChar: function() {
  65             return this.state.deleteLastChar();
  66         },
  67         clickSwitchSign: function() {
  68             return this.state.switchSign();
  69         },
  70         clickAppendNewChar: function(event) {
  71             var newChar;
  72             newChar = event.currentTarget.innerText || event.currentTarget.textContent;
  73             return this.state.appendNewChar(newChar);
  74         },
  75         clickChangeMode: function(event) {
  76             var newMode = event.currentTarget.attributes['data-mode'].nodeValue;
  77             return this.state.changeMode(newMode);
  78         },
  79         changedMode: function() {
  80             var mode = this.state.get('mode');
  81             $('.selected-mode').removeClass('selected-mode');
  82             $(_.str.sprintf('.mode-button[data-mode="%s"]', mode), this.$el).addClass('selected-mode');
  83         },
  84     });
  85
  86     // The paypad allows to select the payment method (cashregisters)
  87     // used to pay the order.
  88     module.PaypadWidget = module.PosBaseWidget.extend({
  89         template: 'PaypadWidget',
  90         renderElement: function() {
  91             var self = this;
  92             this._super();
  93
  94             _.each(this.pos.cashregisters,function(cashregister) {
  95                 var button = new module.PaypadButtonWidget(self,{
  96                     pos: self.pos,
  97                     pos_widget : self.pos_widget,
  98                     cashregister: cashregister,
  99                 });
 100                 button.appendTo(self.$el);
 101             });
 102         }
 103     });
 104
 105     module.PaypadButtonWidget = module.PosBaseWidget.extend({
 106         template: 'PaypadButtonWidget',
 107         init: function(parent, options){
 108             this._super(parent, options);
 109             this.cashregister = options.cashregister;
 110         },
 111         renderElement: function() {
 112             var self = this;
 113             this._super();
 114
 115             this.$el.click(function(){
 116                 if (self.pos.get('selectedOrder').get('screen') === 'receipt'){  //TODO Why ?
 117                     console.warn('TODO should not get there...?');
 118                     return;
 119                 }
 120                 self.pos.get('selectedOrder').addPaymentline(self.cashregister);
 121                 self.pos_widget.screen_selector.set_current_screen('payment');
 122             });
 123         },
 124     });
 125
 126     module.OrderWidget = module.PosBaseWidget.extend({
 127         template:'OrderWidget',
 128         init: function(parent, options) {
 129             var self = this;
 130             this._super(parent,options);
 131             this.editable = false;
 132             this.pos.bind('change:selectedOrder', this.change_selected_order, this);
 133             this.line_click_handler = function(event){
 134                 if(!self.editable){
 135                     return;
 136                 }
 137                 self.pos.get('selectedOrder').selectLine(this.orderline);
 138                 self.pos_widget.numpad.state.reset();
 139             };
 140             this.client_change_handler = function(event){
 141                 self.update_summary();
 142             }
 143             this.bind_order_events();
 144         },
 145         enable_numpad: function(){
 146             this.disable_numpad();  //ensure we don't register the callbacks twice
 147             this.numpad_state = this.pos_widget.numpad.state;
 148             if(this.numpad_state){
 149                 this.numpad_state.reset();
 150                 this.numpad_state.bind('set_value',   this.set_value, this);
 151             }
 152
 153         },
 154         disable_numpad: function(){
 155             if(this.numpad_state){
 156                 this.numpad_state.unbind('set_value',  this.set_value);
 157                 this.numpad_state.reset();
 158             }
 159         },
 160         set_editable: function(editable){
 161             this.editable = editable;
 162             if(editable){
 163                 this.enable_numpad();
 164             }else{
 165                 this.disable_numpad();
 166                 this.pos.get('selectedOrder').deselectLine();
 167             }
 168         },
 169         set_value: function(val) {
 170                 var order = this.pos.get('selectedOrder');
 171                 if (this.editable && order.getSelectedLine()) {
 172                 var mode = this.numpad_state.get('mode');
 173                 if( mode === 'quantity'){
 174                     order.getSelectedLine().set_quantity(val);
 175                 }else if( mode === 'discount'){
 176                     order.getSelectedLine().set_discount(val);
 177                 }else if( mode === 'price'){
 178                     order.getSelectedLine().set_unit_price(val);
 179                 }
 180                 }
 181         },
 182         change_selected_order: function() {
 183             this.bind_order_events();
 184             this.renderElement();
 185         },
 186         bind_order_events: function() {
 187
 188             var order = this.pos.get('selectedOrder');
 189                 order.unbind('change:client', this.client_change_handler);
 190                 order.bind('change:client', this.client_change_handler);
 191
 192             var lines = order.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
 245             var el_node = document.createElement('div');
 246                 el_node.innerHTML = _.str.trim(el_str);
 247                 el_node = el_node.childNodes[0];
 248
 249
 250             var list_container = el_node.querySelector('.orderlines');
 251             for(var i = 0, len = orderlines.length; i < len; i++){
 252                 var orderline = this.render_orderline(orderlines[i]);
 253                 list_container.appendChild(orderline);
 254             }
 255
 256             if(this.el && this.el.parentNode){
 257                 this.el.parentNode.replaceChild(el_node,this.el);
 258             }
 259             this.el = el_node;
 260             this.update_summary();
 261
 262             if(scrollbottom){
 263                 this.el.querySelector('.order-scroller').scrollTop = 100 * orderlines.length;
 264             }
 265         },
 266         update_summary: function(){
 267             var order = this.pos.get('selectedOrder');
 268             var total     = order ? order.getTotalTaxIncluded() : 0;
 269             var taxes     = order ? total - order.getTotalTaxExcluded() : 0;
 270
 271             this.el.querySelector('.summary .total > .value').textContent = this.format_currency(total);
 272             this.el.querySelector('.summary .total .subentry .value').textContent = this.format_currency(taxes);
 273
 274         },
 275     });
 276
 277     module.OrderButtonWidget = module.PosBaseWidget.extend({
 278         template:'OrderButtonWidget',
 279         init: function(parent, options) {
 280             this._super(parent,options);
 281             var self = this;
 282
 283             this.order = options.order;
 284             this.order.bind('destroy',this.destroy, this );
 285             this.order.bind('change', this.renderElement, this );
 286             this.pos.bind('change:selectedOrder', this.renderElement,this );
 287         },
 288         renderElement:function(){
 289             this.selected = ( this.pos.get('selectedOrder') === this.order )
 290             this._super();
 291             var self = this;
 292             this.$el.click(function(){
 293                 if( self.pos.get('selectedOrder') === self.order ){
 294                     var ss = self.pos.pos_widget.screen_selector;
 295                     if(ss.get_current_screen() === 'clientlist'){
 296                         ss.back();
 297                     }else{
 298                         ss.set_current_screen('clientlist');
 299                     }
 300                 }else{
 301                     self.selectOrder();
 302                 }
 303             });
 304             if( this.selected){
 305                 this.$el.addClass('selected');
 306             }
 307         },
 308         selectOrder: function(event) {
 309             this.pos.set({
 310                 selectedOrder: this.order
 311             });
 312         },
 313         destroy: function(){
 314             this.order.unbind('destroy', this.destroy, this);
 315             this.order.unbind('change',  this.renderElement, this);
 316             this.pos.unbind('change:selectedOrder', this.renderElement, this);
 317             this._super();
 318         },
 319     });
 320
 321     module.ActionButtonWidget = instance.web.Widget.extend({
 322         template:'ActionButtonWidget',
 323         icon_template:'ActionButtonWidgetWithIcon',
 324         init: function(parent, options){
 325             this._super(parent, options);
 326             this.label = options.label || 'button';
 327             this.rightalign = options.rightalign || false;
 328             this.click_action = options.click;
 329             this.disabled = options.disabled || false;
 330             if(options.icon){
 331                 this.icon = options.icon;
 332                 this.template = this.icon_template;
 333             }
 334         },
 335         set_disabled: function(disabled){
 336             if(this.disabled != disabled){
 337                 this.disabled = !!disabled;
 338                 this.renderElement();
 339             }
 340         },
 341         renderElement: function(){
 342             this._super();
 343             if(this.click_action && !this.disabled){
 344                 this.$el.click(_.bind(this.click_action, this));
 345             }
 346         },
 347     });
 348
 349     module.ActionBarWidget = instance.web.Widget.extend({
 350         template:'ActionBarWidget',
 351         init: function(parent, options){
 352             this._super(parent,options);
 353             this.button_list = [];
 354             this.buttons = {};
 355             this.visibility = {};
 356         },
 357         set_element_visible: function(element, visible, action){
 358             if(visible != this.visibility[element]){
 359                 this.visibility[element] = !!visible;
 360                 if(visible){
 361                     this.$('.'+element).removeClass('oe_hidden');
 362                 }else{
 363                     this.$('.'+element).addClass('oe_hidden');
 364                 }
 365             }
 366             if(visible && action){
 367                 this.action[element] = action;
 368                 this.$('.'+element).off('click').click(action);
 369             }
 370         },
 371         set_button_disabled: function(name, disabled){
 372             var b = this.buttons[name];
 373             if(b){
 374                 b.set_disabled(disabled);
 375             }
 376         },
 377         destroy_buttons:function(){
 378             for(var i = 0; i < this.button_list.length; i++){
 379                 this.button_list[i].destroy();
 380             }
 381             this.button_list = [];
 382             this.buttons = {};
 383             return this;
 384         },
 385         get_button_count: function(){
 386             return this.button_list.length;
 387         },
 388         add_new_button: function(button_options){
 389             var button = new module.ActionButtonWidget(this,button_options);
 390             this.button_list.push(button);
 391             if(button_options.name){
 392                 this.buttons[button_options.name] = button;
 393             }
 394             button.appendTo(this.$('.pos-actionbar-button-list'));
 395             return button;
 396         },
 397         show:function(){
 398             this.$el.removeClass('oe_hidden');
 399         },
 400         hide:function(){
 401             this.$el.addClass('oe_hidden');
 402         },
 403     });
 404
 405     module.ProductCategoriesWidget = module.PosBaseWidget.extend({
 406         template: 'ProductCategoriesWidget',
 407         init: function(parent, options){
 408             var self = this;
 409             this._super(parent,options);
 410             this.product_type = options.product_type || 'all';  // 'all' | 'weightable'
 411             this.onlyWeightable = options.onlyWeightable || false;
 412             this.category = this.pos.root_category;
 413             this.breadcrumb = [];
 414             this.subcategories = [];
 415             this.product_list_widget = options.product_list_widget || null;
 416             this.category_cache = new module.DomCache();
 417             this.set_category();
 418
 419             this.switch_category_handler = function(event){
 420                 self.set_category(self.pos.db.get_category_by_id(Number(this.dataset['categoryId'])));
 421                 self.renderElement();
 422             };
 423
 424             this.clear_search_handler = function(event){
 425                 self.clear_search();
 426             };
 427
 428             var search_timeout  = null;
 429             this.search_handler = function(event){
 430                 clearTimeout(search_timeout);
 431
 432                 var query = this.value;
 433
 434                 search_timeout = setTimeout(function(){
 435                     self.perform_search(self.category, query, event.which === 13);
 436                 },70);
 437             };
 438         },
 439
 440         // changes the category. if undefined, sets to root category
 441         set_category : function(category){
 442             var db = this.pos.db;
 443             if(!category){
 444                 this.category = db.get_category_by_id(db.root_category_id);
 445             }else{
 446                 this.category = category;
 447             }
 448             this.breadcrumb = [];
 449             var ancestors_ids = db.get_category_ancestors_ids(this.category.id);
 450             for(var i = 1; i < ancestors_ids.length; i++){
 451                 this.breadcrumb.push(db.get_category_by_id(ancestors_ids[i]));
 452             }
 453             if(this.category.id !== db.root_category_id){
 454                 this.breadcrumb.push(this.category);
 455             }
 456             this.subcategories = db.get_category_by_id(db.get_category_childs_ids(this.category.id));
 457         },
 458
 459         get_image_url: function(category){
 460             return window.location.origin + '/web/binary/image?model=pos.category&field=image_medium&id='+category.id;
 461         },
 462
 463         render_category: function( category, with_image ){
 464             var cached = this.category_cache.get_node(category.id);
 465             if(!cached){
 466                 if(with_image){
 467                     var image_url = this.get_image_url(category);
 468                     var category_html = QWeb.render('CategoryButton',{
 469                             widget:  this,
 470                             category: category,
 471                             image_url: this.get_image_url(category),
 472                         });
 473                         category_html = _.str.trim(category_html);
 474                     var category_node = document.createElement('div');
 475                         category_node.innerHTML = category_html;
 476                         category_node = category_node.childNodes[0];
 477                 }else{
 478                     var category_html = QWeb.render('CategorySimpleButton',{
 479                             widget:  this,
 480                             category: category,
 481                         });
 482                         category_html = _.str.trim(category_html);
 483                     var category_node = document.createElement('div');
 484                         category_node.innerHTML = category_html;
 485                         category_node = category_node.childNodes[0];
 486                 }
 487                 this.category_cache.cache_node(category.id,category_node);
 488                 return category_node;
 489             }
 490             return cached;
 491         },
 492
 493         replace: function($target){
 494             this.renderElement();
 495             var target = $target[0];
 496             target.parentNode.replaceChild(this.el,target);
 497         },
 498
 499         renderElement: function(){
 500             var self = this;
 501
 502             var el_str  = openerp.qweb.render(this.template, {widget: this});
 503             var el_node = document.createElement('div');
 504                 el_node.innerHTML = el_str;
 505                 el_node = el_node.childNodes[1];
 506
 507             if(this.el && this.el.parentNode){
 508                 this.el.parentNode.replaceChild(el_node,this.el);
 509             }
 510
 511             this.el = el_node;
 512
 513             var hasimages = false;  //if none of the subcategories have images, we don't display buttons with icons
 514             for(var i = 0; i < this.subcategories.length; i++){
 515                 if(this.subcategories[i].image){
 516                     hasimages = true;
 517                     break;
 518                 }
 519             }
 520
 521             var list_container = el_node.querySelector('.category-list');
 522             for(var i = 0, len = this.subcategories.length; i < len; i++){
 523                 list_container.appendChild(this.render_category(this.subcategories[i],hasimages));
 524             };
 525
 526             var buttons = el_node.querySelectorAll('.js-category-switch');
 527             for(var i = 0; i < buttons.length; i++){
 528                 buttons[i].addEventListener('click',this.switch_category_handler);
 529             }
 530
 531             var products = this.pos.db.get_product_by_category(this.category.id);
 532             this.product_list_widget.set_product_list(products);
 533
 534             this.el.querySelector('.searchbox input').addEventListener('keyup',this.search_handler);
 535
 536             this.el.querySelector('.search-clear').addEventListener('click',this.clear_search_handler);
 537
 538             if(this.pos.config.iface_vkeyboard && this.pos_widget.onscreen_keyboard){
 539                 this.pos_widget.onscreen_keyboard.connect($(this.el.querySelector('.searchbox input')));
 540             }
 541         },
 542
 543         // resets the current category to the root category
 544         reset_category: function(){
 545             this.set_category();
 546             this.renderElement();
 547         },
 548
 549         // empties the content of the search box
 550         clear_search: function(){
 551             var products = this.pos.db.get_product_by_category(this.category.id);
 552             this.product_list_widget.set_product_list(products);
 553             var input = this.el.querySelector('.searchbox input');
 554                 input.value = '';
 555                 input.focus();
 556         },
 557         perform_search: function(category, query, buy_result){
 558             if(query){
 559                 var products = this.pos.db.search_product_in_category(category.id,query)
 560                 if(buy_result && products.length === 1){
 561                         this.pos.get('selectedOrder').addProduct(products[0]);
 562                         this.clear_search();
 563                 }else{
 564                     this.product_list_widget.set_product_list(products);
 565                 }
 566             }else{
 567                 var products = this.pos.db.get_product_by_category(this.category.id);
 568                 this.product_list_widget.set_product_list(products);
 569             }
 570         },
 571
 572     });
 573
 574     module.ProductListWidget = module.PosBaseWidget.extend({
 575         template:'ProductListWidget',
 576         init: function(parent, options) {
 577             var self = this;
 578             this._super(parent,options);
 579             this.model = options.model;
 580             this.productwidgets = [];
 581             this.weight = options.weight || 0;
 582             this.show_scale = options.show_scale || false;
 583             this.next_screen = options.next_screen || false;
 584
 585             this.click_product_handler = function(event){
 586                 var product = self.pos.db.get_product_by_id(this.dataset['productId']);
 587                 options.click_product_action(product);
 588             };
 589
 590             this.product_list = options.product_list || [];
 591             this.product_cache = new module.DomCache();
 592         },
 593         set_product_list: function(product_list){
 594             this.product_list = product_list;
 595             this.renderElement();
 596         },
 597         get_product_image_url: function(product){
 598             return window.location.origin + '/web/binary/image?model=product.product&field=image_medium&id='+product.id;
 599         },
 600         replace: function($target){
 601             this.renderElement();
 602             var target = $target[0];
 603             target.parentNode.replaceChild(this.el,target);
 604         },
 605
 606         render_product: function(product){
 607             var cached = this.product_cache.get_node(product.id);
 608             if(!cached){
 609                 var image_url = this.get_product_image_url(product);
 610                 var product_html = QWeb.render('Product',{
 611                         widget:  this,
 612                         product: product,
 613                         image_url: this.get_product_image_url(product),
 614                     });
 615                 var product_node = document.createElement('div');
 616                 product_node.innerHTML = product_html;
 617                 product_node = product_node.childNodes[1];
 618                 this.product_cache.cache_node(product.id,product_node);
 619                 return product_node;
 620             }
 621             return cached;
 622         },
 623
 624         renderElement: function() {
 625             var self = this;
 626
 627             // this._super()
 628             var el_str  = openerp.qweb.render(this.template, {widget: this});
 629             var el_node = document.createElement('div');
 630                 el_node.innerHTML = el_str;
 631                 el_node = el_node.childNodes[1];
 632
 633             if(this.el && this.el.parentNode){
 634                 this.el.parentNode.replaceChild(el_node,this.el);
 635             }
 636             this.el = el_node;
 637
 638             var list_container = el_node.querySelector('.product-list');
 639             for(var i = 0, len = this.product_list.length; i < len; i++){
 640                 var product_node = this.render_product(this.product_list[i]);
 641                 product_node.addEventListener('click',this.click_product_handler);
 642                 list_container.appendChild(product_node);
 643             };
 644         },
 645     });
 646
 647     module.UsernameWidget = module.PosBaseWidget.extend({
 648         template: 'UsernameWidget',
 649         init: function(parent, options){
 650             var options = options || {};
 651             this._super(parent,options);
 652             this.mode = options.mode || 'cashier';
 653         },
 654         set_user_mode: function(mode){
 655             this.mode = mode;
 656             this.refresh();
 657         },
 658         refresh: function(){
 659             this.renderElement();
 660         },
 661         get_name: function(){
 662             var user;
 663             if(this.mode === 'cashier'){
 664                 user = this.pos.cashier || this.pos.user;
 665             }else{
 666                 user = this.pos.get('selectedOrder').get_client()  || this.pos.user;
 667             }
 668             if(user){
 669                 return user.name;
 670             }else{
 671                 return "";
 672             }
 673         },
 674     });
 675
 676     module.HeaderButtonWidget = module.PosBaseWidget.extend({
 677         template: 'HeaderButtonWidget',
 678         init: function(parent, options){
 679             options = options || {};
 680             this._super(parent, options);
 681             this.action = options.action;
 682             this.label   = options.label;
 683         },
 684         renderElement: function(){
 685             var self = this;
 686             this._super();
 687             if(this.action){
 688                 this.$el.click(function(){
 689                     self.action();
 690                 });
 691             }
 692         },
 693         show: function(){ this.$el.removeClass('oe_hidden'); },
 694         hide: function(){ this.$el.addClass('oe_hidden'); },
 695     });
 696
 697     // The debug widget lets the user control and monitor the hardware and software status
 698     // without the use of the proxy
 699     module.DebugWidget = module.PosBaseWidget.extend({
 700         template: "DebugWidget",
 701         eans:{
 702             admin_badge:  '0410100000006',
 703             client_badge: '0420200000004',
 704             invalid_ean:  '1232456',
 705             soda_33cl:    '5449000000996',
 706             oranges_kg:   '2100002031410',
 707             lemon_price:  '2301000001560',
 708             unknown_product: '9900000000004',
 709         },
 710         events:[
 711             'open_cashbox',
 712             'print_receipt',
 713             'scale_read',
 714         ],
 715         minimized: false,
 716         init: function(parent,options){
 717             this._super(parent,options);
 718             var self = this;
 719
 720             this.minimized = false;
 721
 722             // for dragging the debug widget around
 723             this.dragging  = false;
 724             this.dragpos = {x:0, y:0};
 725
 726             function eventpos(event){
 727                 if(event.touches && event.touches[0]){
 728                     return {x: event.touches[0].screenX, y: event.touches[0].screenY};
 729                 }else{
 730                     return {x: event.screenX, y: event.screenY};
 731                 }
 732             }
 733
 734             this.dragend_handler = function(event){
 735                 self.dragging = false;
 736             };
 737             this.dragstart_handler = function(event){
 738                 self.dragging = true;
 739                 self.dragpos = eventpos(event);
 740             };
 741             this.dragmove_handler = function(event){
 742                 if(self.dragging){
 743                     var top = this.offsetTop;
 744                     var left = this.offsetLeft;
 745                     var pos  = eventpos(event);
 746                     var dx   = pos.x - self.dragpos.x;
 747                     var dy   = pos.y - self.dragpos.y;
 748
 749                     self.dragpos = pos;
 750
 751                     this.style.right = 'auto';
 752                     this.style.bottom = 'auto';
 753                     this.style.left = left + dx + 'px';
 754                     this.style.top  = top  + dy + 'px';
 755                 }
 756                 event.preventDefault();
 757                 event.stopPropagation();
 758             };
 759         },
 760         start: function(){
 761             var self = this;
 762
 763             this.el.addEventListener('mouseleave', this.dragend_handler);
 764             this.el.addEventListener('mouseup',    this.dragend_handler);
 765             this.el.addEventListener('touchend',   this.dragend_handler);
 766             this.el.addEventListener('touchcancel',this.dragend_handler);
 767             this.el.addEventListener('mousedown',  this.dragstart_handler);
 768             this.el.addEventListener('touchstart', this.dragstart_handler);
 769             this.el.addEventListener('mousemove',  this.dragmove_handler);
 770             this.el.addEventListener('touchmove',  this.dragmove_handler);
 771
 772             this.$('.toggle').click(function(){
 773                 var content = self.$('.content');
 774                 var bg      = self.$el;
 775                 if(!self.minimized){
 776                     content.animate({'height':'0'},200);
 777                 }else{
 778                     content.css({'height':'auto'});
 779                 }
 780                 self.minimized = !self.minimized;
 781             });
 782             this.$('.button.set_weight').click(function(){
 783                 var kg = Number(self.$('input.weight').val());
 784                 if(!isNaN(kg)){
 785                     self.pos.proxy.debug_set_weight(kg);
 786                 }
 787             });
 788             this.$('.button.reset_weight').click(function(){
 789                 self.$('input.weight').val('');
 790                 self.pos.proxy.debug_reset_weight();
 791             });
 792             this.$('.button.custom_ean').click(function(){
 793                 var ean = self.pos.barcode_reader.sanitize_ean(self.$('input.ean').val() || '0');
 794                 self.$('input.ean').val(ean);
 795                 self.pos.barcode_reader.scan(ean);
 796             });
 797             this.$('.button.reference').click(function(){
 798                 self.pos.barcode_reader.scan(self.$('input.ean').val());
 799             });
 800             _.each(this.eans, function(ean, name){
 801                 self.$('.button.'+name).click(function(){
 802                     self.$('input.ean').val(ean);
 803                     self.pos.barcode_reader.scan(ean);
 804                 });
 805             });
 806             _.each(this.events, function(name){
 807                 self.pos.proxy.add_notification(name,function(){
 808                     self.$('.event.'+name).stop().clearQueue().css({'background-color':'#6CD11D'});
 809                     self.$('.event.'+name).animate({'background-color':'#1E1E1E'},2000);
 810                 });
 811             });
 812         },
 813     });
 814
 815 // ---------- Main Point of Sale Widget ----------
 816
 817     module.StatusWidget = module.PosBaseWidget.extend({
 818         status: ['connected','connecting','disconnected','warning'],
 819         set_status: function(status,msg){
 820             var self = this;
 821             for(var i = 0; i < this.status.length; i++){
 822                 this.$('.js_'+this.status[i]).addClass('oe_hidden');
 823             }
 824             this.$('.js_'+status).removeClass('oe_hidden');
 825
 826             if(msg){
 827                 this.$('.js_msg').removeClass('oe_hidden').html(msg);
 828             }else{
 829                 this.$('.js_msg').addClass('oe_hidden').html('');
 830             }
 831         },
 832     });
 833
 834     // this is used to notify the user that data is being synchronized on the network
 835     module.SynchNotificationWidget = module.StatusWidget.extend({
 836         template: 'SynchNotificationWidget',
 837         start: function(){
 838             var self = this;
 839             this.pos.bind('change:synch', function(pos,synch){
 840                 self.set_status(synch.state, synch.pending);
 841             });
 842             this.$el.click(function(){
 843                 self.pos.flush();
 844             });
 845         },
 846     });
 847
 848     // this is used to notify the user if the pos is connected to the proxy
 849     module.ProxyStatusWidget = module.StatusWidget.extend({
 850         template: 'ProxyStatusWidget',
 851         set_smart_status: function(status){
 852             if(status.status === 'connected'){
 853                 var warning = false;
 854                 var msg = ''
 855                 if(this.pos.config.iface_scan_via_proxy){
 856                     var scanner = status.drivers.scanner ? status.drivers.scanner.status : false;
 857                     if( scanner != 'connected' && scanner != 'connecting'){
 858                         warning = true;
 859                         msg += _t('Scanner');
 860                     }
 861                 }
 862                 if( this.pos.config.iface_print_via_proxy ||
 863                     this.pos.config.iface_cashdrawer ){
 864                     var printer = status.drivers.escpos ? status.drivers.escpos.status : false;
 865                     if( printer != 'connected' && printer != 'connecting'){
 866                         warning = true;
 867                         msg = msg ? msg + ' & ' : msg;
 868                         msg += _t('Printer');
 869                     }
 870                 }
 871                 if( this.pos.config.iface_electronic_scale ){
 872                     var scale = status.drivers.scale ? status.drivers.scale.status : false;
 873                     if( scale != 'connected' && scale != 'connecting' ){
 874                         warning = true;
 875                         msg = msg ? msg + ' & ' : msg;
 876                         msg += _t('Scale');
 877                     }
 878                 }
 879                 msg = msg ? msg + ' ' + _t('Offline') : msg;
 880                 this.set_status(warning ? 'warning' : 'connected', msg);
 881             }else{
 882                 this.set_status(status.status,'');
 883             }
 884         },
 885         start: function(){
 886             var self = this;
 887
 888             this.set_smart_status(this.pos.proxy.get('status'));
 889
 890             this.pos.proxy.on('change:status',this,function(eh,status){ //FIXME remove duplicate changes
 891                 self.set_smart_status(status.newValue);
 892             });
 893
 894             this.$el.click(function(){
 895                 self.pos.connect_to_proxy();
 896             });
 897         },
 898     });
 899
 900
 901     // The PosWidget is the main widget that contains all other widgets in the PointOfSale.
 902     // It is mainly composed of :
 903     // - a header, containing the list of orders
 904     // - a leftpane, containing the list of bought products (orderlines)
 905     // - a rightpane, containing the screens (see pos_screens.js)
 906     // - an actionbar on the bottom, containing various action buttons
 907     // - popups
 908     // - an onscreen keyboard
 909     // a screen_selector which controls the switching between screens and the showing/closing of popups
 910
 911     module.PosWidget = module.PosBaseWidget.extend({
 912         template: 'PosWidget',
 913         init: function() {
 914             this._super(arguments[0],{});
 915
 916             this.pos = new module.PosModel(this.session,{pos_widget:this});
 917             this.pos_widget = this; //So that pos_widget's childs have pos_widget set automatically
 918
 919             this.numpad_visible = true;
 920             this.leftpane_visible = true;
 921             this.leftpane_width   = '440px';
 922             this.cashier_controls_visible = true;
 923
 924             FastClick.attach(document.body);
 925
 926         },
 927
 928         disable_rubberbanding: function(){
 929             // prevent the pos body from being scrollable.
 930             document.body.addEventListener('touchmove',function(event){
 931                 var node = event.target;
 932                 while(node){
 933                     if(node.classList && node.classList.contains('touch-scrollable')){
 934                         return;
 935                     }
 936                     node = node.parentNode;
 937                 }
 938                 event.preventDefault();
 939             });
 940         },
 941
 942         start: function() {
 943             var self = this;
 944             return self.pos.ready.done(function() {
 945                 // remove default webclient handlers that induce click delay
 946                 $(document).off();
 947                 $(window).off();
 948                 $('html').off();
 949                 $('body').off();
 950                 $(self.$el).parent().off();
 951                 $('document').off();
 952                 $('.oe_web_client').off();
 953                 $('.openerp_webclient_container').off();
 954
 955                 self.build_currency_template();
 956                 self.renderElement();
 957
 958                 self.$('.neworder-button').click(function(){
 959                     self.pos.add_new_order();
 960                 });
 961
 962                 self.$('.deleteorder-button').click(function(){
 963                     if( !self.pos.get('selectedOrder').is_empty() ){
 964                         self.screen_selector.show_popup('confirm',{
 965                             message: _t('Destroy Current Order ?'),
 966                             comment: _t('You will lose any data associated with the current order'),
 967                             confirm: function(){
 968                                 self.pos.delete_current_order();
 969                             },
 970                         });
 971                     }else{
 972                         self.pos.delete_current_order();
 973                     }
 974                 });
 975
 976                 //when a new order is created, add an order button widget
 977                 self.pos.get('orders').bind('add', function(new_order){
 978                     var new_order_button = new module.OrderButtonWidget(null, {
 979                         order: new_order,
 980                         pos: self.pos
 981                     });
 982                     new_order_button.appendTo(this.$('.orders'));
 983                     new_order_button.selectOrder();
 984                 }, self);
 985
 986                 self.pos.add_new_order();
 987
 988                 self.build_widgets();
 989
 990                 if(self.pos.config.iface_big_scrollbars){
 991                     self.$el.addClass('big-scrollbars');
 992                 }
 993
 994                 self.screen_selector.set_default_screen();
 995
 996                 self.pos.barcode_reader.connect();
 997
 998                 instance.webclient.set_content_full_screen(true);
 999
1000                 if (!self.pos.session) {
1001                     self.screen_selector.show_popup('error', 'Sorry, we could not create a user session');
1002                 }else if(!self.pos.config){
1003                     self.screen_selector.show_popup('error', 'Sorry, we could not find any PoS Configuration for this session');
1004                 }else if(self.pos.config.iface_fullscreen && document.body.webkitRequestFullscreen && (
1005                     window.screen.availWidth  > window.innerWidth ||
1006                     window.screen.availHeight > window.innerHeight    )){
1007                     self.screen_selector.show_popup('fullscreen');
1008                 }
1009
1010                 self.$('.loader').animate({opacity:0},1500,'swing',function(){self.$('.loader').addClass('oe_hidden');});
1011
1012                 self.pos.flush();
1013
1014             }).fail(function(){   // error when loading models data from the backend
1015                 return new instance.web.Model("ir.model.data").get_func("search_read")([['name', '=', 'action_pos_session_opening']], ['res_id'])
1016                     .pipe( _.bind(function(res){
1017                         return instance.session.rpc('/web/action/load', {'action_id': res[0]['res_id']})
1018                             .pipe(_.bind(function(result){
1019                                 var action = result.result;
1020                                 this.do_action(action);
1021                             }, this));
1022                     }, self));
1023             });
1024         },
1025         loading_progress: function(fac){
1026             this.$('.loader .loader-feedback').removeClass('oe_hidden');
1027             this.$('.loader .progress').css({'width': ''+Math.floor(fac*100)+'%'});
1028         },
1029         loading_message: function(msg,progress){
1030             this.$('.loader .loader-feedback').removeClass('oe_hidden');
1031             this.$('.loader .message').text(msg);
1032             if(typeof progress !== 'undefined'){
1033                 this.loading_progress(progress);
1034             }
1035         },
1036         loading_skip: function(callback){
1037             if(callback){
1038                 this.$('.loader .loader-feedback').removeClass('oe_hidden');
1039                 this.$('.loader .button.skip').removeClass('oe_hidden');
1040                 this.$('.loader .button.skip').off('click');
1041                 this.$('.loader .button.skip').click(callback);
1042             }else{
1043                 this.$('.loader .button.skip').addClass('oe_hidden');
1044             }
1045         },
1046         // This method instantiates all the screens, widgets, etc. If you want to add new screens change the
1047         // startup screen, etc, override this method.
1048         build_widgets: function() {
1049             var self = this;
1050
1051             // --------  Screens ---------
1052
1053             this.product_screen = new module.ProductScreenWidget(this,{});
1054             this.product_screen.appendTo(this.$('.screens'));
1055
1056             this.receipt_screen = new module.ReceiptScreenWidget(this, {});
1057             this.receipt_screen.appendTo(this.$('.screens'));
1058
1059             this.payment_screen = new module.PaymentScreenWidget(this, {});
1060             this.payment_screen.appendTo(this.$('.screens'));
1061
1062             this.clientlist_screen = new module.ClientListScreenWidget(this, {});
1063             this.clientlist_screen.appendTo(this.$('.screens'));
1064
1065             this.scale_screen = new module.ScaleScreenWidget(this,{});
1066             this.scale_screen.appendTo(this.$('.screens'));
1067
1068
1069             // --------  Popups ---------
1070
1071             this.error_popup = new module.ErrorPopupWidget(this, {});
1072             this.error_popup.appendTo(this.$el);
1073
1074             this.error_barcode_popup = new module.ErrorBarcodePopupWidget(this, {});
1075             this.error_barcode_popup.appendTo(this.$el);
1076
1077             this.error_session_popup = new module.ErrorSessionPopupWidget(this, {});
1078             this.error_session_popup.appendTo(this.$el);
1079
1080             this.choose_receipt_popup = new module.ChooseReceiptPopupWidget(this, {});
1081             this.choose_receipt_popup.appendTo(this.$el);
1082
1083             this.error_no_client_popup = new module.ErrorNoClientPopupWidget(this, {});
1084             this.error_no_client_popup.appendTo(this.$el);
1085
1086             this.error_invoice_transfer_popup = new module.ErrorInvoiceTransferPopupWidget(this, {});
1087             this.error_invoice_transfer_popup.appendTo(this.$el);
1088
1089             this.confirm_popup = new module.ConfirmPopupWidget(this,{});
1090             this.confirm_popup.appendTo(this.$el);
1091
1092             this.fullscreen_popup = new module.FullscreenPopup(this,{});
1093             this.fullscreen_popup.appendTo(this.$el);
1094
1095             // --------  Misc ---------
1096
1097             this.close_button = new module.HeaderButtonWidget(this,{
1098                 label: _t('Close'),
1099                 action: function(){ self.close(); },
1100             });
1101             this.close_button.appendTo(this.$('.pos-rightheader'));
1102
1103             this.notification = new module.SynchNotificationWidget(this,{});
1104             this.notification.appendTo(this.$('.pos-rightheader'));
1105
1106             if(this.pos.config.use_proxy){
1107                 this.proxy_status = new module.ProxyStatusWidget(this,{});
1108                 this.proxy_status.appendTo(this.$('.pos-rightheader'));
1109             }
1110
1111             this.username   = new module.UsernameWidget(this,{});
1112             this.username.replace(this.$('.placeholder-UsernameWidget'));
1113
1114             this.action_bar = new module.ActionBarWidget(this);
1115             this.action_bar.replace(this.$(".placeholder-RightActionBar"));
1116
1117             this.paypad = new module.PaypadWidget(this, {});
1118             this.paypad.replace(this.$('.placeholder-PaypadWidget'));
1119
1120             this.numpad = new module.NumpadWidget(this);
1121             this.numpad.replace(this.$('.placeholder-NumpadWidget'));
1122
1123             this.order_widget = new module.OrderWidget(this, {});
1124             this.order_widget.replace(this.$('.placeholder-OrderWidget'));
1125
1126             this.onscreen_keyboard = new module.OnscreenKeyboardWidget(this, {
1127                 'keyboard_model': 'simple'
1128             });
1129             this.onscreen_keyboard.replace(this.$('.placeholder-OnscreenKeyboardWidget'));
1130
1131             // --------  Screen Selector ---------
1132
1133             this.screen_selector = new module.ScreenSelector({
1134                 pos: this.pos,
1135                 screen_set:{
1136                     'products': this.product_screen,
1137                     'payment' : this.payment_screen,
1138                     'scale':    this.scale_screen,
1139                     'receipt' : this.receipt_screen,
1140                     'clientlist': this.clientlist_screen,
1141                 },
1142                 popup_set:{
1143                     'error': this.error_popup,
1144                     'error-barcode': this.error_barcode_popup,
1145                     'error-session': this.error_session_popup,
1146                     'choose-receipt': this.choose_receipt_popup,
1147                     'error-no-client': this.error_no_client_popup,
1148                     'error-invoice-transfer': this.error_invoice_transfer_popup,
1149                     'confirm': this.confirm_popup,
1150                     'fullscreen': this.fullscreen_popup,
1151                 },
1152                 default_screen: 'products',
1153                 default_mode: 'cashier',
1154             });
1155
1156             if(this.pos.debug){
1157                 this.debug_widget = new module.DebugWidget(this);
1158                 this.debug_widget.appendTo(this.$('.pos-content'));
1159             }
1160
1161             this.disable_rubberbanding();
1162
1163         },
1164
1165         changed_pending_operations: function () {
1166             var self = this;
1167             this.synch_notification.on_change_nbr_pending(self.pos.get('nbr_pending_operations').length);
1168         },
1169         // shows or hide the numpad and related controls like the paypad.
1170         set_numpad_visible: function(visible){
1171             if(visible !== this.numpad_visible){
1172                 this.numpad_visible = visible;
1173                 if(visible){
1174                     this.numpad.show();
1175                     this.paypad.show();
1176                 }else{
1177                     this.numpad.hide();
1178                     this.paypad.hide();
1179                 }
1180             }
1181         },
1182         //shows or hide the leftpane (contains the list of orderlines, the numpad, the paypad, etc.)
1183         set_leftpane_visible: function(visible){
1184             if(visible !== this.leftpane_visible){
1185                 this.leftpane_visible = visible;
1186                 if(visible){
1187                     this.$('.pos-leftpane').removeClass('oe_hidden');
1188                     this.$('.rightpane').css({'left':this.leftpane_width});
1189                 }else{
1190                     this.$('.pos-leftpane').addClass('oe_hidden');
1191                     this.$('.rightpane').css({'left':'0px'});
1192                 }
1193             }
1194         },
1195         close: function() {
1196             var self = this;
1197
1198             function close(){
1199                 return new instance.web.Model("ir.model.data").get_func("search_read")([['name', '=', 'action_client_pos_menu']], ['res_id']).pipe(function(res) {
1200                     window.location = '/web#action=' + res[0]['res_id'];
1201                 });
1202             }
1203
1204             var draft_order = _.find( self.pos.get('orders').models, function(order){
1205                 return order.get('orderLines').length !== 0 && order.get('paymentLines').length === 0;
1206             });
1207             if(draft_order){
1208                 if (confirm(_t("Pending orders will be lost.\nAre you sure you want to leave this session?"))) {
1209                     return close();
1210                 }
1211             }else{
1212                 return close();
1213             }
1214         },
1215         destroy: function() {
1216             this.pos.destroy();
1217             instance.webclient.set_content_full_screen(false);
1218             this._super();
1219         }
1220     });
1221 }