function testme() {
alert("here I am ! ");
}
// peekaboo controls the 'hover' behavior on the graph
function peekaboo(myelement, value) {
//alert(myelement);
myelement.style.fill= myelement.style.fill=="none"?"green":"none";
if (value == "none") {
document.getElementById("graph-value").innerHTML = "";
} else {
value = Math.round(value*10000)/10000;
document.getElementById("graph-value").innerHTML = value;
}
}
// this provides an initial dataset... not sure how we're going to do this with the real thing ?
function populate() {
for (x=1; x < 200; x++) {
mynumber = Math.floor((Math.random() * 100) + 1);
//document.write(x + ":" + mynumber + ": mon" + x + " ");
document.getElementById("mon" + x).defaultValue = mynumber;
}
}
function restorepanel() {
document.getElementById("panel").style.display="inline-block";
}
function flicker() {
document.getElementById("panel").style.display="none";
setTimeout(restorepanel, 1000)
}
// this function used to populate the iframe page. Int the final version this would be replaced by a server call to the PLC in the plc.htm page.
function bpopulate() {
for (x=1; x < 200; x++) {
mynumber = Math.floor((Math.random() * 100) + 1);
//document.write(x + ":" + mynumber + ": mon" + x + " ");
document.getElementById("bmon" + x).defaultValue = mynumber;
}
}
// this function assumes that the iframe has loaded, and reads its values and uses them to draw the graph.
function parseframe() {
document.getElementById("linkcheck").innerHTML = "Link DOWN Unable to establish contact with host";
document.getElementById("linkcheck").style.color="red";
var myIFrame = document.getElementById('updateframe').contentWindow;
// now lets try SVG.
angleseed = Math.random()*3.141*2;
SVGheight = 180;
mySVG = "";
document.getElementById("svg").innerHTML = mySVG ;
// end of SVG section.
document.getElementById("linkcheck").innerHTML = "Link Up";
document.getElementById("linkcheck").style.color="green";
}
function iframerefresh() {
document.getElementById("linkcheck").innerHTML = "refreshing..";
document.getElementById("linkcheck").style.color="red";
var refreshframe = document.getElementById('updateframe').contentWindow;
try {
refreshframe.location.reload();
document.getElementById("linkcheck").innerHTML = "Link Restored !";
document.getElementById("linkcheck").style.color="green"
parseframe();
}
catch(error) {
document.getElementById("linkcheck").innterHTML = "Error:" + error;
}
loadDoc();
}
// this really just tests wether the plc.htm file is available... needs some work...
function loadDoc() {
document.getElementById("linkcheck").innerHTML = "Link Failed";
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
document.getElementById("linkcheck").innerHTML = "Link Up";
document.getElementById("linkcheck").style.color="green";
} else {
//linkmessage = document.getElementById("linkcheck").innerHTML;
document.getElementById("linkcheck").innerHTML = "Link Up ....Refreshing Data";
//document.getElementById("linkcheck").style.color="red";
}
}
xhttp.open("GET", "plc.htm", true);
xhttp.send();
}
function cycle() {
cycleme = setInterval(iframerefresh, 3000);
document.getElementById('current-status').innerHTML='Status: Cycling';
}