// styles to have no color override var elements = get_ajax_tags(); var numelements = elements.length; for (var index=0;index!=numelements;index++) { var element = elements[index]; element.style.color=usecolor; } } function set_ajax_obs( name, value ) { // store away the current value in both the doc and the span as lastobs="value" // change color if value != lastobs var element = document.getElementById(name); if (! element ) { return; } // V1.04 -- don't set if missing the tag var lastobs = element.getAttribute("lastobs"); element.setAttribute("lastobs",value); if (value != unescape(lastobs)) { element.style.color=flashcolor; if ( doTooltip ) { element.setAttribute("title",'AJAX tag '+name); } element.innerHTML = value; // moved inside to fix flashing issue (Jim at jcweather.us) } } function set_ajax_uom( name, onoroff ) { // this function will set an ID= to visible or hidden by setting the style="display: " // from 'inline' or 'none' var element = document.getElementById(name); if (! element ) { return; } if (onoroff) { element.style.display='inline'; } else { element.style.display='none'; } } // --- end of flash-green functions function windDir ($winddir) // Take wind direction value, return the // text label based upon 16 point compass -- function by beeker425 // see http://www.weather-watch.com/smf/index.php/topic,20097.0.html { $windlabel = new Array("N", "NNE", "NE", "ENE", "E", "ESE", "SE", "SSE", "S", "SSW", "SW", "WSW", "W", "WNW", "NW", "NNW"); return $windlabel[Math.floor(((parseInt($winddir) + 11) / 22.5) % 16 )]; } function windDirLang ($winddir) // Take wind direction value, return the // text label based upon 16 point compass -- function by beeker425 // see http://www.weather-watch.com/smf/index.php/topic,20097.0.html { return langWindDir[Math.floor(((parseInt($winddir) + 11) / 22.5) % 16 )]; } // utility functions to handle conversions from clientraw data to desired units-of-measure // DLB - heavily modified for my purposes. Those interested in metric values may/will need // to change accordingly to return the correct value. // function convertTemp ( rawtemp ) { if (useunits == 'E') { return (rawtemp * 1.0); } else { return( (5 * rawtemp)/9 - 32.0); } } function convertWind ( rawwind ) { return(rawwind * 1.0); //DLB leave in native VPro2 } function convertBaro ( rawpress ) { return (rawpress * 1.0); //DLB leave in native Vpro2 } function convertRain ( rawrain ) { return (rawrain * 1.0); } // DLB - Wview alarmd only feeds "current" information. Generated values such as daily rain, high wind, etc // are generated with a different process and not available to us. By letting htmlgend put these values in a // generated file, we can read these values with this function, so that we can use the values in other places. // function get_element_value( name ) { // get the current value in the doc var element = document.getElementById(name); if (! element ) { return; } // V1.04 -- don't get if missing the tag var value = element.innerHTML; return value; } function ajax_get_barotrend(btrnd) { // routine from Anole's wxsticker PHP (adapted to JS by Ken True) // input: trend in hPa or millibars // Barometric Trend(3 hour) // Change Rates // Rapidly: =.06 inHg; 1.5 mm Hg; 2 hPa; 2 mb // Slowly: =.02 inHg; 0.5 mm Hg; 0.7 hPa; 0.7 mb // 5 conditions // Rising Rapidly // Rising Slowly // Steady // Falling Slowly // Falling Rapidly // Page 52 of the PDF Manual // http://www.davisnet.com/product_documents/weather/manuals/07395.234-VP2_Manual.pdf // figure out a text value for barometric pressure trend if ((btrnd >= -0.7) && (btrnd <= 0.7)) { return(langBaroTrend[0]); } if ((btrnd > 0.7) && (btrnd < 2.0)) { return(langBaroTrend[1]); } if (btrnd >= 2.0) { return(langBaroTrend[2]); } if ((btrnd < -0.7) && (btrnd > -2.0)) { return(langBaroTrend[3]); } if (btrnd <= -2.0) { return(langBaroTrend[4]); } return(btrnd); } function ajax_genarrow( nowTemp, yesterTemp, Legend, textUP, textDN, numDp) { // generate an tag with alt= and title= for rising/falling values var diff = nowTemp.toFixed(3) - yesterTemp.toFixed(3); var absDiff = Math.abs(diff); var diffStr = '' + diff.toFixed(numDp); // sprintf("%01.0f",$diff); var absDiffStr = '' + absDiff.toFixed(numDp); // sprintf("%01.0f",$absDiff); var image = ''; var msg = ''; if (diff == 0) { // no change image = ' '; } else if (diff > 0) { // today is greater // msg = textUP + " by " + diff.toFixed(1); // sprintf($textDN,$absDiff); msg = textUP.replace(/\%s/,absDiffStr); image = " $\""$ "; } else { // today is lesser msg = textDN.replace(/\%s/,absDiffStr); // sprintf($textDN,$absDiff); // msg = textDN.replace(/\%s/,absDiffStr); image = " $\""$ "; } if (Legend) { return (diff + Legend + image); } else { return image; } } // end genarrow function // Mike Challis' counter function (adapted by Ken True) // function ajax_countup() { element = document.getElementById("ajaxcounter"); if (element) { element.innerHTML = counterSecs; counterSecs++; } } // ------------------------------------------------------------------------------------------ // main function.. read clientraw.txt and format areas // ------------------------------------------------------------------------------------------ function ajaxLoader(url) { if (document.getElementById) { var x = (window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest(url); } if (x) { // got something back x.onreadystatechange = function() { try { if (x.readyState == 4 && x.status == 200) { // Mike Challis added fix to fix random error var clientraw = x.responseText.split(' '); // now make sure we got the entire clientraw.txt -- thanks to Johnnywx // valid clientraw.txt has '12345' at start and '!!' at end of record var wdpattern=/\d+\.\d+.*!!/; // looks for '!!nn.nn!!' version string // If we have a valid clientraw file AND updates is < maxupdates if(clientraw[0] == '12345' && wdpattern.test(x.responseText) && ( updates <= maxupdates || maxupdates > 0 ) ) { if (maxupdates > 0 ) {updates++; } // increment counter if needed //Temperature temp = convertTemp(clientraw[3]); var temprate = get_element_value("temprate"); //Read the value straight out of the doc set_ajax_obs("ajaxtemp", temp.toFixed(1) + uomTemp); set_ajax_obs("ajaxbigtemp",temp.toFixed(0) + uomTemp); templast = convertTemp(temp - temprate); set_ajax_obs("ajaxtemparrow", ajax_genarrow(temp, templast, '', langTempRising+uomTemp+langTempLastHour, langTempFalling+uomTemp+langTempLastHour,1) ); //Humidity ... humidity = clientraw[4]; set_ajax_obs("ajaxhumidity",humidity); //Pressure... pressure = convertBaro(clientraw[5]); set_ajax_obs("ajaxbaro",pressure.toFixed(dpBaro) + uomBaro); var pressuretrend = convertBaro(get_element_value("baromrate")); //Read the value out of the doc // pressuretrend = convertBaro(clientraw[5]); pressuretrend = pressuretrend.toFixed(dpBaro+1); if (pressuretrend > 0.0) {pressuretrend = '+' + pressuretrend; } // add '+' to rate set_ajax_obs("ajaxbarotrend",pressuretrend + uomBaro); set_ajax_obs("ajaxbaroarrow", ajax_genarrow(pressure, pressure-pressuretrend, '', langBaroRising+uomBaro+langBaroPerHour, langBaroFalling+uomBaro+langBaroPerHour,2) ); //Wind gust gust = convertWind(clientraw[8]); //Windspeed ... wind = convertWind(clientraw[1]); //WIND DIRECTION ... val = windDir(clientraw[2]); valLang = windDirLang(clientraw[2]); /* to enable translations */ if (wind > 0.0) { set_ajax_obs("ajaxwind",wind.toFixed(1) + uomWind); set_ajax_uom("ajaxwinduom",true); } else { set_ajax_obs("ajaxwind",langWindCalm); set_ajax_uom("ajaxwinduom",false); } if (gust > 0.0) { set_ajax_obs("ajaxgust",gust.toFixed(1) + uomWind); set_ajax_uom("ajaxgustuom",true); } else { set_ajax_obs("ajaxgust",langGustNone); set_ajax_uom("ajaxgustuom",false); } if (gust > 0.0 || wind > 0.0) { set_ajax_obs("ajaxwindicon", " $\""$ "); set_ajax_obs("ajaxwindiconwr", " $\""$ "); set_ajax_obs("ajaxwinddir",valLang); } else { set_ajax_obs("ajaxwindicon",""); set_ajax_obs("ajaxwinddir",""); if (wrCalm != '') { set_ajax_obs("ajaxwindiconwr", " $\""$ "); } } //Rain ... rain = convertRain(clientraw[12]); set_ajax_obs("ajaxrain",rain.toFixed(dpRain) + uomRain); rainstorm = convertRain(clientraw[11]); set_ajax_obs("ajaxrainstorm",rainstorm.toFixed(dpRain)+ uomRain); rainmo = convertRain(clientraw[13]); set_ajax_obs("ajaxrainmo",rainmo.toFixed(dpRain) + uomRain); rainratehr = convertRain(clientraw[10]); // make per hour rate. set_ajax_obs("ajaxrainratehr",rainratehr.toFixed(dpRain+1) + uomRain); // Update the timer after we've done our work counterSecs = 0; // now ensure that the indicator flashes on every AJAX fetch element = document.getElementById("ajaxindicator"); if (element) { element.style.color = flashcolor; } if (maxupdates > 0 && updates > maxupdates-1) { /* chg indicator to pause message */ set_ajax_obs("ajaxindicator",langPauseMsg); } set_ajax_obs('ajaxupdatecount',updates); /* for test pages */ set_ajax_obs('ajaxmaxupdatecount',maxupdates); /* for test pages */ } // END if(clientraw[0] = '12345' and '!!' at end) } // END if (x.readyState == 4 && x.status == 200) } // END try catch(e){} // Mike Challis added fix to fix random error: NS_ERROR_NOT_AVAILABLE } // END x.onreadystatechange = function() { x.open("GET", url, true); x.send(null); // reset the flash colors, and restart the update unless maxupdate limit is reached setTimeout("reset_ajax_color('')",flashtime); // change text back to default color if ( (maxupdates == 0) || (updates < maxupdates-1)) { setTimeout("ajaxLoader(clientrawFile + '?' + new Date().getTime())", reloadTime); // get new data } } } // end ajaxLoader function window.setInterval("ajax_countup()", 1000); // run the counter for seconds since update // invoke when first loaded on page if (! ajaxLoaderInBody) { ajaxLoader(clientrawFile + '?' + new Date().getTime(), reloadTime); } // ]]>