[fix] scanner bug

pos_keyboard/__openerp__.py

@@ -4,6 +4,7 @@
     'author': "IT-Projects LLC, Ivan Yelizariev",
     'license': 'LGPL-3',
     "website" : "https://yelizariev.github.io",
+    'images': ['images/main.png'],
     'category' : 'Point Of Sale',
     'version': '1.0.0',
     'depends': ['point_of_sale'],

pos_keyboard/static/src/js/pos.js

@@ -7,8 +7,8 @@ function pos_keyboard_widgets(instance, module){
             res = resSuper.done(function(e){
                 self.pos.keypad.connect();
                 self.pos.keypad.set_action_callback(function(data){
-                     self.keypad_action(data, self.pos.keypad.type);
-                 });
+                    self.keypad_action(data, self.pos.keypad.type);
+                });
             });
             return res;
         },
@@ -117,7 +117,7 @@ function pos_keyboard_widgets(instance, module){
 
             //cancel return to the previous page when press backspace
             var rx = /INPUT|SELECT|TEXTAREA/i;
-            $(document).bind("keydown keypress", function(e){
+            $(document).on("keydown keypress", function(e){
                 if( e.which == 8 ){ // 8 == backspace
                     if(!rx.test(e.target.tagName) || e.target.disabled || e.target.readOnly ){
                         e.preventDefault();
@@ -126,18 +126,21 @@ function pos_keyboard_widgets(instance, module){
             });
 
             //usb keyboard keyup event
-            $('body').delegate('','keyup', function (e){
+            var ok = false;
+            var timeStamp = 0;
+            $('body').on('keyup', '', function (e){
                 var statusHandler  =  !rx.test(e.target.tagName)  ||
                     e.target.disabled || e.target.readOnly;
                 if (statusHandler){
-                    var ok =false;
+                    var is_number = false;
                     var type = self.type;
-                    var buttonMode = self.pos.pos_widget.numpad.modeButton
-                    token = e.keyCode;                
+                    var buttonMode = self.pos.pos_widget.numpad.modeButton;
+                    var token = e.keyCode;
                     if ((token >= 96 && token <= 105 || token == 110) ||
                         (token >= 48 && token <= 57 || token == 190)) {
                             self.data.type = type.numchar;
                             self.data.val = kc_lookup[token];
+                            is_number = true;
                             ok = true;
                     }
                     else if (token == KC_PLU || token == KC_PLU_1) {
@@ -146,7 +149,7 @@ function pos_keyboard_widgets(instance, module){
                     }
                     else if (token == KC_QTY || token == KC_QTY_1) {
                         self.data.type = type.bmode;
-                        self.data.val = buttonMode.qty
+                        self.data.val = buttonMode.qty;
                         ok = true;
                     }
                     else if (token == KC_AMT || token == KC_AMT_1) {
@@ -161,18 +164,28 @@ function pos_keyboard_widgets(instance, module){
                     }
                     else if (token == KC_BACKSPACE) {
                         self.data.type = type.backspace;
-                        self.action_callback(self.data);
                         ok = true;
                     }
-                    if (ok) {self.action_callback(self.data);}
+
+                    if (is_number) {
+                        if (timeStamp + 50 > new Date().getTime()) {
+                            ok = false;
+                        }
+                    }
+
+                    timeStamp = new Date().getTime();
+
+                    setTimeout(function(){
+                        if (ok) {self.action_callback(self.data);}
+                    }, 50);
                 }
             });
         },
 
         // stops catching keyboard events
         disconnect: function(){
-            $('body').undelegate('', 'keyup')
-        },
+            $('body').off('keyup', '')
+        }
     });
 }
 
@@ -183,4 +196,4 @@ function pos_keyboard_widgets(instance, module){
         var module = instance.point_of_sale;
         pos_keyboard_widgets(instance, module);
     }
-})()
+})();