Alize Nguyen 04ee6f49d6
Remove all non legacy usage of zepto (#5159)
* Removed Zepto
* Added utility functions for compiling HTML templates and toggling classes on and off

Co-authored-by: John Hill <john.c.hill@nasa.gov>
Co-authored-by: Andrew Henry <akhenry@gmail.com>
2022-06-02 15:47:14 -07:00

113 lines
4.4 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2014-2022, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT is 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.
*
* Open MCT includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
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*****************************************************************************/
define([],
function () {
// Set of connection states; changing among these states will be
// reflected in the indicator's appearance.
// CONNECTED: Everything nominal, expect to be able to read/write.
// DISCONNECTED: HTTP failed; maybe misconfigured, disconnected.
// PENDING: Still trying to connect, and haven't failed yet.
const CONNECTED = {
statusClass: "s-status-on"
};
const PENDING = {
statusClass: "s-status-warning-lo"
};
const DISCONNECTED = {
statusClass: "s-status-warning-hi"
};
function URLIndicator(options, simpleIndicator) {
this.bindMethods();
this.count = 0;
this.indicator = simpleIndicator;
this.setDefaultsFromOptions(options);
this.setIndicatorToState(PENDING);
this.fetchUrl();
setInterval(this.fetchUrl, this.interval);
}
URLIndicator.prototype.setIndicatorToState = function (state) {
switch (state) {
case CONNECTED: {
this.indicator.text(this.label + " is connected");
this.indicator.description(this.label + " is online, checking status every " + this.interval + " milliseconds.");
break;
}
case PENDING: {
this.indicator.text("Checking status of " + this.label + " please stand by...");
this.indicator.description("Checking status of " + this.label + " please stand by...");
break;
}
case DISCONNECTED: {
this.indicator.text(this.label + " is offline");
this.indicator.description(this.label + " is offline, checking status every " + this.interval + " milliseconds");
break;
}
}
this.indicator.statusClass(state.statusClass);
};
URLIndicator.prototype.fetchUrl = function () {
fetch(this.URLpath)
.then(response => {
if (response.ok) {
this.handleSuccess();
} else {
this.handleError();
}
})
.catch(error => {
this.handleError();
});
};
URLIndicator.prototype.handleError = function (e) {
this.setIndicatorToState(DISCONNECTED);
};
URLIndicator.prototype.handleSuccess = function () {
this.setIndicatorToState(CONNECTED);
};
URLIndicator.prototype.setDefaultsFromOptions = function (options) {
this.URLpath = options.url;
this.label = options.label || options.url;
this.interval = options.interval || 10000;
this.indicator.iconClass(options.iconClass || 'icon-chain-links');
};
URLIndicator.prototype.bindMethods = function () {
this.fetchUrl = this.fetchUrl.bind(this);
this.handleSuccess = this.handleSuccess.bind(this);
this.handleError = this.handleError.bind(this);
this.setIndicatorToState = this.setIndicatorToState.bind(this);
};
return URLIndicator;
});