346 lines
9.3 KiB
HTML
346 lines
9.3 KiB
HTML
<!DOCTYPE html>
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<html><head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
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<title>NMEA 2000 Gateway</title>
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<script type="text/javascript">
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let self=this;
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let lastUpdate=(new Date()).getTime();
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function alertRestart(){
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alert("Board reset triggered, reconnect WLAN if necessary");
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}
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function getJson(url){
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return fetch(url)
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.then(function(r){return r.json()});
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}
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function reset(){
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fetch('/api/reset');
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alertRestart();
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}
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function update(){
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let now=(new Date()).getTime();
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let ce=document.getElementById('connected');
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if (ce){
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if ((lastUpdate+3000) > now){
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ce.classList.add('ok');
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}
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else{
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ce.classList.remove('ok');
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}
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}
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getJson('/api/status')
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.then(function(jsonData){
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for (let k in jsonData){
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if (k == 'cnv'){
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updateCanDetails(jsonData[k]);
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}
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else{
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let el=document.getElementById(k);
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if (el) el.textContent=jsonData[k];
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}
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}
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lastUpdate=(new Date()).getTime();
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})
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}
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function resetForm(ev){
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getJson("/api/config")
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.then(function(jsonData){
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for (let k in jsonData){
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let el=document.querySelector("[name='"+k+"']");
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if (el){
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let v=jsonData[k];
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el.value=v;
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el.setAttribute('data-loaded',v);
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checkChange(el);
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}
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}
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});
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}
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function checkMaxClients(v){
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let parsed=parseInt(v);
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if (isNaN(parsed)) return "not a valid number";
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if (parsed < 0) return "must be >= 0";
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if (parsed > 10) return "max is 10";
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}
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function checkSystemName(v){
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//2...32 characters for ssid
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let allowed=v.replace(/[^a-zA-Z0-9]*/g,'');
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if (allowed != v) return "contains invalid characters, only a-z, A-Z, 0-9";
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if (v.length < 2 || v.length > 32) return "invalid length (2...32)";
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}
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function changeConfig(){
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let url="/api/setConfig?";
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let values=document.querySelectorAll('.configForm select , .configForm input');
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for (let i=0;i<values.length;i++){
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let v=values[i];
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let check=v.getAttribute('data-check');
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if (check){
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if (typeof(self[check]) === 'function'){
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let res=self[check](v.value);
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if (res){
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alert("invalid config for "+v.getAttribute('name')+"("+v.value+"):\n"+res);
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return;
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}
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}
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}
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url+=v.getAttribute('name')+"="+encodeURIComponent(v.value)+"&";
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}
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getJson(url)
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.then(function(status){
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if(status.status == 'OK'){
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alertRestart();
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}
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else{
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alert("unable to set config: "+status.status);
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}
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})
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}
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function factoryReset(){
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getJson("/api/resetConfig")
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.then(function(status){
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alertRestart();
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})
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}
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function showCanDetails(on){
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let el=document.getElementById('canDetails');
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if (!el) return;
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if (on) el.classList.add('visible');
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else(el.classList).remove('visible');
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}
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function updateCanDetails(details){
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let frame=document.getElementById('canDetails');
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if (! frame) return;
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for (let k in details){
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let el=frame.querySelector("[data-id=\""+k+"\"] ");
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if (!el){
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el=document.createElement('div');
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el.classList.add('row');
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let cv=document.createElement('span');
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cv.classList.add('label');
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cv.textContent="PGN"+k;
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el.appendChild(cv);
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cv=document.createElement('span');
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cv.classList.add('value');
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cv.setAttribute('data-id',k);
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cv.textContent=details[k];
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el.appendChild(cv);
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frame.appendChild(el);
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}
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else{
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el.textContent=details[k];
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}
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}
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}
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function checkChange(el) {
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let loaded = el.getAttribute('data-loaded');
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if (loaded !== undefined) {
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if (loaded != el.value) {
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el.classList.add('changed');
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}
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else {
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el.classList.remove("changed");
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}
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}
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}
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function createInput(configItem){
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let el;
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if (configItem.type === 'boolean' || configItem.type === 'list'){
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el=document.createElement('select')
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el.setAttribute('name',configItem.name)
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let slist=[];
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if (configItem.list){
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configItem.list.forEach(function(v){
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slist.push({l:v,v:v});
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})
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}
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else{
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slist.push({l:'on',v:'true'})
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slist.push({l:'off',v:'false'})
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}
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slist.forEach(function(sitem){
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let sitemEl=document.createElement('option');
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sitemEl.setAttribute('value',sitem.v);
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sitemEl.textContent=sitem.l;
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el.appendChild(sitemEl);
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})
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return el;
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}
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el=document.createElement('input');
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el.setAttribute('name',configItem.name)
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if (configItem.type === 'password'){
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el.setAttribute('type','password');
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}
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else if (configItem.type === 'number'){
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el.setAttribute('type','number');
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}
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else{
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el.setAttribute('type','text');
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}
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return el;
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}
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let configDefinitions;
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function loadConfigDefinitions(){
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getJson("config.json")
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.then(function(defs){
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let frame=document.querySelector('.configFormRows');
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if (! frame) throw Error("no config form");
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frame.innerHTML='';
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configDefinitions=defs;
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defs.forEach(function(item){
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if (! item.type) return;
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let row=document.createElement('div');
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row.classList.add('row');
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let label=item.label || item.name;
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let labelEl=document.createElement('span');
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labelEl.classList.add('label');
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labelEl.textContent=label;
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row.appendChild(labelEl);
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let valueEl=createInput(item);
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if (!valueEl) return;
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valueEl.setAttribute('data-default',item.default);
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valueEl.addEventListener('change',function(ev){
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let el=ev.target;
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checkChange(el);
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})
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if (item.check) valueEl.setAttribute('data-check',item.check);
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row.appendChild(valueEl);
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let bt=document.createElement('button');
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bt.classList.add('defaultButton');
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bt.setAttribute('data-default',item.default);
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bt.addEventListener('click',function(ev){
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valueEl.value=valueEl.getAttribute('data-default');
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checkChange(valueEl);
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})
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bt.textContent="X";
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row.appendChild(bt);
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bt=document.createElement('button');
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bt.classList.add('infoButton');
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bt.addEventListener('click',function(ev){
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alert(item.description);
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});
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bt.textContent="?";
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row.appendChild(bt);
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frame.appendChild(row);
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})
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resetForm();
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})
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.catch(function(err){alert("unable to load config: "+err)})
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}
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window.setInterval(update,1000);
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window.addEventListener('load',function(){
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let buttons=document.querySelectorAll('button');
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for (let i=0;i<buttons.length;i++){
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let be=buttons[i];
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be.onclick=window[be.id]; //assume a function with the button id
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}
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let cd=document.getElementById("showCanDetails");
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cd.addEventListener('change',function(ev){
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showCanDetails(ev.target.checked);
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});
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loadConfigDefinitions();
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});
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</script>
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<style type="text/css">
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.configForm {
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margin-top: 1em;
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margin-bottom: 1em;
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padding-top: 0.5em;
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padding-bottom: 0.5em;
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border: 1px solid grey;
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max-width: 40em;
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}
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.changed {
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color: green
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}
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span.label {
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width: 10em;
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display: inline-block;
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opacity: 0.6;
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}
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span#connected {
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display: inline-block;
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background-color: red;
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width: 1em;
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height: 1em;
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border-radius: 50%;
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}
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span#connected.ok{
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background-color: #13ac13;
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}
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.row {
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margin: 0.5em;
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}
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.buttons {
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padding-left: 1em;
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}
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button.infoButton {
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margin-left: 1em;
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vertical-align: bottom;
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}
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#canDetails{
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display:none;
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}
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#canDetails.visible{
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display: block;
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}
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</style>
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</head>
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<body>
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<div class="main">
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<h1>NMEA 2000 Gateway </h1>
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<div class="row">
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<span class="label">VERSION</span>
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<span class="value" id="version">---</span>
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</div>
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<div class="row">
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<span class="label">connected</span>
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<span class="value" id="connected"></span>
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</div>
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<div class="row">
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<span class="label">Access Point IP</span>
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<span class="value" id="apIp">---</span>
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</div>
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<div class="row">
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<span class="label"># NMEA2000 messages</span>
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<span class="value" id="numcan">---</span>
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</div>
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<div class="row">
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<span class="label">NMEA2000 details</span>
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<input type="checkbox" id="showCanDetails"></span>
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</div>
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<div class="row" id="canDetails">
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</div>
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<div class="row">
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<span class="label"># TCP clients</span>
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<span class="value" id="numClients">---</span>
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</div>
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<div class="row">
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<span class="label">wifi client connected</span>
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<span class="value" id="wifiConnected">---</span>
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</div>
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<div class="row">
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<span class="label">wifi client IP</span>
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<span class="value" id="clientIP">---</span>
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</div>
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<button id="reset" >Reset</button>
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<div class="configForm">
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<div class="configFormRows">
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</div>
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<div class="buttons">
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<button id="resetForm">ReloadConfig</button>
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<button id="changeConfig">Save&Restart</button>
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<button id="factoryReset">FactoryReset</button>
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</div>
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</div>
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</div>
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</body>
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</html>
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