Allow to attach multiple files

issue7735
review56391002

src/common.js

@@ -3418,16 +3418,20 @@
     };
 
     Sao.common.get_input_data = function(input, callback, char_) {
-        var reader = new FileReader(),
-            file = input[0].files[0];
-        reader.onload = function() {
-            var value = new Uint8Array(reader.result);
-            if (char_) {
-                value = String.fromCharCode.apply(null, value);
-            }
-            callback(value, file.name);
-        };
-        reader.readAsArrayBuffer(file);
+        function read(file) {
+            var reader = new FileReader();
+            reader.onload = function() {
+                var value = new Uint8Array(reader.result);
+                if (char_) {
+                    value = String.fromCharCode.apply(null, value);
+                }
+                callback(value, file.name);
+            };
+            reader.readAsArrayBuffer(file);
+        }
+        for (var i = 0; i < input[0].files.length; i++) {
+            read(input[0].files[i]);
+        }
     };
 
     Sao.common.ellipsize = function(string, length) {

src/tab.js

@@ -992,11 +992,13 @@
                     }).append(jQuery('<input/>', {
                         'type': 'file',
                         'role': 'menuitem',
+                        'multiple': true,
                         'tabindex': -1,
                     }).change(function() {
+                        var attachment = window_();
                         Sao.common.get_input_data(
                             jQuery(this), function(data, filename) {
-                                window_().add_data(data, filename);
+                                attachment.add_data(data, filename);
                             });
                     })).append(jQuery('<a/>', {
                         'role': 'menuitem',

src/window.js

@@ -443,15 +443,12 @@
         add_data: function(data, filename) {
             var screen = this.screen;
             this.switch_prm.then(function() {
-                screen.set_current_record(null);
-                screen.switch_view('form').then(function() {
-                    screen.new_().then(function(record) {
-                        var data_field = record.model.fields.data;
-                        record.field_set_client(
-                            data_field.description.filename, filename);
-                        record.field_set_client('data', data);
-                        screen.display();
-                    });
+                screen.new_().then(function(record) {
+                    var data_field = record.model.fields.data;
+                    record.field_set_client(
+                        data_field.description.filename, filename);
+                    record.field_set_client('data', data);
+                    screen.display();
                 });
             });
         },