-<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US">
<head>
- <title>Location</title>
- <script type="text/javascript">
- var sts;
- var log;
- var ws;
-
- function init() {
- sts = document.getElementById("sts");
- sts.innerHTML = "uninitialized";
- log = document.getElementById("log");
- log.innerHTML = "top of log<br>";
- imei = document.getElementById("imei");
- send = document.getElementById("send");
- open_ws();
+<title>Location</title>
+<!-- This uses reeeally old 2.13.1 from 2013, also part of Debian distro -->
+<script src="http://www.openlayers.org/api/OpenLayers.js">
+</script>
+<script src="https://www.openstreetmap.org/openlayers/OpenStreetMap.js">
+</script>
+<script type="text/javascript">
+ const urlParams = new URLSearchParams(window.location.search);
+ const qimei = urlParams.get("imei");
+
+ const wsproto = window.location.protocol === "https" ? "wss" : "ws";
+ const wshost = window.location.hostname ? window.location.hostname
+ : "localhost";
+ const wsport = window.location.port ? window.location.port : 5049;
+ const limei = window.location.pathname.substring(1)
+
+ const imeis = new Set();
+ const locations = new Array();
+ const maxmarkers = 5;
+ const lineStyle = {
+ strokeColor: '#0000ff',
+ strokeOpacity: 0.5,
+ strokeWidth: 5
+ };
+
+ var sts;
+ var ws;
+ var imei;
+ var imeilst;
+ var clear;
+ var subunsub;
+ var tstamp;
+ var map;
+ var line;
+ var markers;
+ var icon;
+
+ function init() {
+ init_map();
+ sts = document.getElementById("sts");
+ sts.innerHTML = "uninitialized";
+ imei = document.getElementById("imei");
+ imeilst = document.getElementById("imeilst");
+ clear = document.getElementById("clear");
+ subunsub = document.getElementById("subunsub");
+ refresh = document.getElementById("refresh");
+ msgtxt = document.getElementById("msgtxt");
+ message = document.getElementById("message");
+ poweroff = document.getElementById("poweroff");
+ devstatus = document.getElementById("devstatus");
+ tstamp = document.getElementById("tstamp");
+ if (qimei) {
+ imeis.add(qimei);
+ } else if (limei) {
+ imeis.add(limei);
}
+ update_imeilst(imeis);
+ change(imei)
+ open_ws();
+ }
+
+ function init_map() {
+ map = new OpenLayers.Map ("map", {
+ controls:[
+ new OpenLayers.Control.Navigation(),
+ new OpenLayers.Control.PanZoomBar(),
+ new OpenLayers.Control.LayerSwitcher(),
+ new OpenLayers.Control.Attribution()],
+ maxExtent: new OpenLayers.Bounds(
+ -20037508.34,-20037508.34,
+ 20037508.34,20037508.34),
+ maxResolution: 156543.0399,
+ numZoomLevels: 19,
+ units: 'm',
+ projection: new OpenLayers.Projection(
+ "EPSG:900913"),
+ displayProjection: new OpenLayers.Projection(
+ "EPSG:4326")
+ });
+ layerMapnik =
+ new OpenLayers.Layer.OSM.Mapnik("Mapnik");
+ map.addLayer(layerMapnik)
+ layerTransportMap =
+ new OpenLayers.Layer.OSM.TransportMap("TransportMap");
+ map.addLayer(layerTransportMap)
+ layerCycleMap =
+ new OpenLayers.Layer.OSM.CycleMap("CycleMap");
+ map.addLayer(layerCycleMap);
+ line =
+ new OpenLayers.Layer.Vector("Line Layer");
+ map.addLayer(line);
+ map.addControl(new
+ OpenLayers.Control.DrawFeature(line,
+ OpenLayers.Handler.Path));
+ markers =
+ new OpenLayers.Layer.Markers("Markers");
+ map.addLayer(markers);
- function open_ws() {
- ws = new WebSocket("ws://localhost:5049");
- ws.onopen = ws_onopen;
- ws.onmessage = ws_onmessage;
- ws.onerror = ws_onerror;
- ws.onclose = ws_onclose;
+ var size = new OpenLayers.Size(21, 25);
+ var offset = new OpenLayers.Pixel(-(size.w/2), -size.h);
+ icon = new OpenLayers.Icon(
+'https://www.openstreetmap.org/openlayers/img/marker.png',size,offset);
+
+ var lonLat =
+ new OpenLayers.LonLat(0, 0).transform(
+ new OpenLayers.Projection("EPSG:4326"),
+ map.getProjectionObject());
+ map.setCenter(lonLat, 1);
+ }
+
+ function set_marker(msg) {
+ if (locations.push(msg) > maxmarkers) {
+ locations.shift();
}
- function ws_onopen(event) {
- console.log("ws opened " + event);
- sts.innerHTML = "open";
- imei.disabled = false;
- send.disabled = false;
+ console.log("new marker list " + JSON.stringify(locations));
+ tstamp.innerHTML = msg.timestamp;
+ // Draw a line between backlog locations
+ for (var i = 1; i < locations.length; i++) {
+ const p0 =
+ new OpenLayers.Geometry.Point(
+ locations[i-1].longitude,
+ locations[i-1].latitude)
+ .transform(new OpenLayers.Projection("EPSG:4326"),
+ map.getProjectionObject());
+ const p1 =
+ new OpenLayers.Geometry.Point(
+ locations[i].longitude,
+ locations[i].latitude)
+ .transform(new OpenLayers.Projection("EPSG:4326"),
+ map.getProjectionObject());
+ const leg =
+ new OpenLayers.Geometry.LineString([p0, p1]);
+ const lineFeature =
+ new OpenLayers.Feature.Vector(leg, null, lineStyle);
+ line.addFeatures([lineFeature]);
+
}
- function ws_onmessage(event) {
- console.log("message " + event);
- log.innerHTML += "message " + event.data + "<br>";
+ // Set marker at the reported (last) location
+ const lonLat = new OpenLayers.LonLat(+msg.longitude,
+ +msg.latitude).transform(
+ new OpenLayers.Projection("EPSG:4326"),
+ map.getProjectionObject());
+ markers.addMarker(new OpenLayers.Marker(lonLat, icon));
+ map.setCenter(lonLat, 14);
+ }
+ function display_status(battery) {
+ console.log("status " + battery);
+ devstatus.innerHTML = "BAT: " + battery;
+ }
+ function display_cmdresult(result) {
+ console.log("cmdresult " + result);
+ devstatus.innerHTML = result;
+ }
+
+ function open_ws() {
+ wsurl = new URL("ws://localhost/");
+ wsurl.protocol = wsproto
+ wsurl.hostname = wshost
+ wsurl.port = wsport
+ console.log("wsurl is " + wsurl)
+ ws = new WebSocket(wsurl);
+ ws.onopen = ws_onopen;
+ ws.onmessage = ws_onmessage;
+ ws.onerror = ws_onerror;
+ ws.onclose = ws_onclose;
+ }
+ function ws_onopen(event) {
+ console.log("ws opened " + event);
+ sts.innerHTML = "online";
+ imei.disabled = false;
+ clear.disabled = false;
+ change(imei);
+ locations.splice(0);
+ sendIMEI();
+ }
+ function ws_onmessage(event) {
+ console.log("message " + event.data);
+ msg = JSON.parse(event.data);
+ if (msg.type === "location") {
+ set_marker(msg);
+ if (msg.battery_percentage) {
+ display_status(msg.battery_percentage);
+ }
+ } else if (msg.type === "status") {
+ display_status(msg.battery);
+ } else if (msg.type === "cmdresult") {
+ display_cmdresult(msg.result);
}
- function ws_onerror(event) {
- console.log("error " + event);
- sts.innerHTML = "error";
+
+ }
+ function ws_onerror(event) {
+ console.log("error " + event);
+ sts.innerHTML = "error: " + event;
+ }
+ function ws_onclose(event) {
+ console.log("close " + event);
+ sts.innerHTML = "offline";
+ imei.disabled = true;
+ disablebtns(true);
+ clear.disabled = true;
+ setTimeout(open_ws, 5000);
+ }
+
+ function sendIMEI() {
+ const imstr = Array.from(imeis).join(",");
+ document.title = imstr;
+ var msg = {
+ imei: Array.from(imeis),
+ type: "subscribe",
+ timestamp: Date.now(),
+ backlog: maxmarkers
+ };
+ console.log("sending" + JSON.stringify(msg));
+ ws.send(JSON.stringify(msg));
+ }
+
+ function sendCMD(cmd, imei, txt) {
+ var msg = {
+ imei: imei,
+ type: cmd,
+ timestamp: Date.now(),
+ txt: txt
+ };
+ console.log("sending" + JSON.stringify(msg));
+ ws.send(JSON.stringify(msg));
+ }
+
+ function handleKey(evt) {
+ if (evt.keyCode === 13 || evt.keyCode === 14) {
+ if (!imei.disabled) {
+ sendIMEI(false);
+ }
}
- function ws_onclose(event) {
- console.log("close " + event);
- sts.innerHTML = "closed";
- imei.disabled = true;
- send.disabled = true;
- setTimeout(open_ws, 5000);
+ }
+
+ function change(obj) {
+ if (obj.value) {
+ disablebtns(false);
+ if (imeis.has(obj.value)) {
+ subunsub.value = "-";
+ subunsub.title =
+ "Unsubscribe from notifications from "
+ + obj.value;
+ } else {
+ subunsub.value = "+";
+ subunsub.title =
+ "Subscribe to notifications from "
+ + obj.value;
+ }
+ } else {
+ disablebtns(true);
+ subunsub.value = "o";
+ subunsub.title = "";
}
+ }
+
+ function erase(obj) {
+ imei.value = "";
+ change(imei);
+ }
- function sendIMEI() {
- console.log("sending " + imei.value);
- var msg = {
- imei: imei.value,
- type: "subscribe",
- date: Date.now()
- };
- ws.send(JSON.stringify(msg));
- document.title = imei.value;
+ function disablebtns(yesorno) {
+ [subunsub, refresh, msgtxt, message,
+ poweroff].forEach(function(obj) {
+ obj.disabled = yesorno;
+ })
+ }
+ function update_imeilst(imeis) {
+ while (imeilst.firstChild) {
+ imeilst.removeChild(imeilst.lastChild)
+ }
+ imeis.forEach(function(item) {
+ var entry = document.createElement('option');
+ entry.value = item;
+ imeilst.appendChild(entry);
+ })
+ if (imeis.size == 1) {
+ imei.value = imeis.values().next().value;
+ } else {
imei.value = "";
}
+ }
- function handleKey(evt) {
- if (evt.keyCode === 13 || evt.keyCode === 14) {
- if (!imei.disabled) {
- sendIMEI();
- }
+ function buttonpress(obj) {
+ console.log("button value " + obj.value);
+ console.log("button id " + obj.id);
+ console.log("input value " + imei.value);
+ if (obj.id === "subunsub") {
+ if (obj.value === "+") {
+ imeis.add(imei.value);
+ } else if (obj.value === "-") {
+ imeis.delete(imei.value);
+ imei.value = "";
}
+ update_imeilst(imeis);
+ change(imei);
+ sendIMEI();
+ } else {
+ sendCMD(obj.id, imei.value, msgtxt.value);
+ msgtxt.value = "";
}
- </script>
+ }
+</script>
</head>
-<body onload="init();">
- <div style="width:100%; height:2%" id="hdr">
+<body onload="init();" style="height: 100%; margin: 0; display: flex;
+ flex-direction: column; font-size: 1.5vh;">
+ <div style="margin: 0;" id="hdr">
<input id="imei" type="text" name="imei"
- size="16" maxlength="16" placeholder="Enter IMEI"
- autocomplete="off" onkeyup="handleKey(event)">
- <input type="button" id="send" name="send" value="Send"
- onclick="sendIMEI()" disabled>
+ size="16" maxlength="16" placeholder="Enter or click to choose"
+ list="imeilst"
+ oninput ="change(this)" onkeyup="handleKey(event)" />
+ <datalist id="imeilst"></datalist>
+ <input type="button" id="clear" name="clear" value="x"
+ title="Clear input (Click on empty input shows avaliable choices)"
+ onclick="erase(this)" />
+ <input type="button" id="subunsub" name="subunsub" value="+"
+ title="Unsubscribe from events from IMEI"
+ onclick="buttonpress(this)" />
+ <input type="button" id="refresh" name="refresh" value="Refresh"
+ title="Send request to refresh location"
+ onclick="buttonpress(this)" />
+ <input id="msgtxt" type="text" name="msgtxt"
+ size="80" maxlength="80" placeholder="Input message text"
+ onkeyup="handleKey(event)" />
+ <input type="button" id="message" name="message" value="Send"
+ title="Send message"
+ onclick="buttonpress(this)" />
+ <input type="button" id="poweroff" name="poweroff" value="Off"
+ title="Send request to power off"
+ style="background: red;"
+ onclick="buttonpress(this)" />
+ <br />
+ </div>
+ <div style="flex-grow: 1;" id="map"></div>
+ <div style="display: flex; flex-direction: row; width: 100%;">
+ <div id="sts" style="flex: none;"></div>
+ | <div id="devstatus" style="flex: auto;"></div>
+ | <div id="tstamp" style="flex: auto;"></div>
+ | <div id="about" style="flex: none; font-size: 1.5vmin;">
+ <a href="http://www.average.org/loctrkd/">
+ http://www.average.org/loctrkd/</a></div>
</div>
- <div style="width:100%; height:96%" id="log"></div>
- <div style="width:100%; height:2%" id="sts"></div>
</body>
</html>
projects / loctrkd.git / blobdiff