1/*
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17'use strict';
18
19function loadFile(onload_func) {
20    let input = document.getElementById("locations_select_file");
21
22    if (!input.files[0]) {
23        alert("Please select a file ");
24        return;
25    }
26
27    let file = input.files[0];
28    let fr = new FileReader();
29    fr.addEventListener('error', () => {
30        alert("Error occurred reading file");
31    });
32
33    fr.addEventListener('load', () => {
34        console.debug("the location file is fully loaded");
35        onload_func(fr.result);
36    });
37
38    fr.readAsText(file);
39}