/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

'use strict';

function loadFile(onload_func) {
    let input = document.getElementById("locations_select_file");

    if (!input.files[0]) {
        alert("Please select a file ");
        return;
    }

    let file = input.files[0];
    let fr = new FileReader();
    fr.addEventListener('error', () => {
        alert("Error occurred reading file");
    });

    fr.addEventListener('load', () => {
        console.debug("the location file is fully loaded");
        onload_func(fr.result);
    });

    fr.readAsText(file);
}