4a9744e916
* touch every file on earth to update copyright * update one more * pick up 2017 2018 2019 * revert fuchs copyright * revert other bundle copyrights * somehow missed one
110 lines
4.3 KiB
JavaScript
110 lines
4.3 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2022, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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define(
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['zepto'],
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function ($) {
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// Set of connection states; changing among these states will be
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// reflected in the indicator's appearance.
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// CONNECTED: Everything nominal, expect to be able to read/write.
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// DISCONNECTED: HTTP failed; maybe misconfigured, disconnected.
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// PENDING: Still trying to connect, and haven't failed yet.
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const CONNECTED = {
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statusClass: "s-status-on"
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};
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const PENDING = {
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statusClass: "s-status-warning-lo"
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};
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const DISCONNECTED = {
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statusClass: "s-status-warning-hi"
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};
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function URLIndicator(options, simpleIndicator) {
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this.bindMethods();
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this.count = 0;
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this.indicator = simpleIndicator;
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this.setDefaultsFromOptions(options);
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this.setIndicatorToState(PENDING);
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this.fetchUrl();
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setInterval(this.fetchUrl, this.interval);
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}
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URLIndicator.prototype.setIndicatorToState = function (state) {
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switch (state) {
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case CONNECTED: {
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this.indicator.text(this.label + " is connected");
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this.indicator.description(this.label + " is online, checking status every " + this.interval + " milliseconds.");
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break;
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}
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case PENDING: {
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this.indicator.text("Checking status of " + this.label + " please stand by...");
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this.indicator.description("Checking status of " + this.label + " please stand by...");
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break;
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}
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case DISCONNECTED: {
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this.indicator.text(this.label + " is offline");
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this.indicator.description(this.label + " is offline, checking status every " + this.interval + " milliseconds");
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break;
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}
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}
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this.indicator.statusClass(state.statusClass);
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};
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URLIndicator.prototype.fetchUrl = function () {
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$.ajax({
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type: 'GET',
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url: this.URLpath,
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success: this.handleSuccess,
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error: this.handleError
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});
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};
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URLIndicator.prototype.handleError = function (e) {
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this.setIndicatorToState(DISCONNECTED);
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};
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URLIndicator.prototype.handleSuccess = function () {
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this.setIndicatorToState(CONNECTED);
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};
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URLIndicator.prototype.setDefaultsFromOptions = function (options) {
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this.URLpath = options.url;
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this.label = options.label || options.url;
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this.interval = options.interval || 10000;
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this.indicator.iconClass(options.iconClass || 'icon-chain-links');
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};
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URLIndicator.prototype.bindMethods = function () {
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this.fetchUrl = this.fetchUrl.bind(this);
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this.handleSuccess = this.handleSuccess.bind(this);
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this.handleError = this.handleError.bind(this);
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this.setIndicatorToState = this.setIndicatorToState.bind(this);
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};
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return URLIndicator;
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});
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