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chart.html
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<!DOCTYPE html>
<html style="height:100%">
<head>
<title>HABmin Charting</title>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/highcharts.js"></script>
<script type="text/javascript">
var HABminBaseURL = "/services/habmin";
var persistenceService = "";
var supportedCharts = [
'spline',
'line',
'area',
'areaspline',
'bar',
'column'
];
var supportedMarkers = [
'circle',
'square',
'diamond',
'triangle',
'triangle-down'
];
var chartConfig = [];
var chartOptions = {
chart: {
renderTo: 'HABmin',
animation: false,
type: 'spline',
zoomType: 'x',
events: {
selection: function (event) {
event.preventDefault();
updateChart(chartConfig, Math.floor(event.xAxis[0].min), Math.ceil(event.xAxis[0].max));
}
}
},
credits: {
enabled: false
},
title: {
text: null
},
xAxis: {
type: 'datetime',
dateTimeLabelFormats: { // don't display the dummy year
month: '%e. %b',
year: '%b'
}
},
plotOptions: {
spline: {
lineWidth: 3,
states: {
hover: {
lineWidth: 5
}
},
marker: {
states: {
hover: {
enabled: true,
symbol: 'circle',
radius: 5,
lineWidth: 1
}
}
}
},
series: {
marker: {
enabled: false
}
}
},
legend: {
enabled: true
},
tooltip: {
enabled: true,
crosshairs: true,
shared: false,
formatter: function () {
return '<b>' + this.series.name + '</b><br/>' +
Highcharts.dateFormat('%H:%M:%S %a %d %b %Y', this.x) + ': ' +
Highcharts.numberFormat(this.y, 2);
}
}
};
var graphName;
var graphId;
var graphPeriod;
var graphUpdate = 0;
var configGraph;
var configChan;
var initState;
var nightsDisplay;
var rawData;
var initList = [
{variable: "configGraph", url: HABminBaseURL + "/persistence/charts"}
];
function getQueryString() {
// This function is anonymous, is executed immediately and
// the return value is assigned to QueryString!
var query_string = {};
var query = window.location.search.substring(1);
var vars = query.split("&");
for (var i = 0; i < vars.length; i++) {
var pair = vars[i].split("=");
// If first entry with this name
if (typeof query_string[pair[0]] === "undefined") {
query_string[pair[0]] = pair[1];
// If second entry with this name
} else if (typeof query_string[pair[0]] === "string") {
var arr = [ query_string[pair[0]], pair[1] ];
query_string[pair[0]] = arr;
// If third or later entry with this name
} else {
query_string[pair[0]].push(pair[1]);
}
}
return query_string;
}
var periods = [
{name: 'h', period: 3600},
{name: '4h', period: 14400},
{name: '8h', period: 28800},
{name: '12h', period: 43200},
{name: 'd', period: 86400},
{name: '2d', period: 172800},
{name: '3d', period: 259200},
{name: '4d', period: 345600},
{name: 'w', period: 604800},
{name: '2w', period: 1209600},
{name: '3w', period: 1814400},
{name: 'm', period: 2592000},
{name: '2m', period: 5184000},
{name: '3m', period: 7776000},
{name: '4m', period: 10368000},
{name: '6m', period: 15552000},
{name: 'y', period: 31536000}
];
window.onload = function () {
var params = getQueryString();
graphPeriod = undefined;
graphName = params['chart'];
if (params['period'] != undefined) {
params['period'] = params['period'].toLowerCase();
for(var c = 0; c < periods.length; c++) {
if(periods[c].name == params['period']) {
graphPeriod = periods[c].period;
break;
}
}
if(graphPeriod == undefined)
graphPeriod = parseFloat(params['period']);
}
if (graphPeriod == NaN)
graphPeriod = undefined;
if (params['refresh'] != undefined)
graphUpdate = parseFloat(params['refresh']);
if (graphUpdate == NaN)
graphPeriod = 0;
persistenceService = params['service'];
initState = 0;
loadNextConfig();
}
function loadNextConfig() {
$.ajax({
url: initList[initState].url,
dataType: 'json',
success: function (json, state, xhr) {
if (state == "success") {
window[initList[initState].variable] = json;
initState++;
}
if (initState < initList.length) {
loadNextConfig();
return;
}
// All configs loaded
if (graphUpdate == 0)
doGraph();
else
mainLoop();
},
error: function () {
displayError("Error communicating with HABmin!");
}
});
}
function mainLoop() {
window.setTimeout(mainLoop, (graphUpdate * 60000))
doGraph();
}
function doGraph() {
// Default to local time
Highcharts.setOptions({global: {useUTC: false}});
if(configGraph == null || configGraph.chart == null) {
return;
}
var chartList = [].concat(configGraph.chart);
graphName = decodeURI(graphName.toLowerCase());
for(var c = 0; c < chartList.length; c++) {
if(chartList[c].name.toLowerCase() == graphName)
graphId = chartList[c].id;
}
if(graphId == null) {
displayError("Unable to find chart definition for \"" + graphName + "\"")
return;
}
jQuery.getJSON(
HABminBaseURL + '/persistence/charts/' + graphId,
"",
function (json, state, xhr) {
if (state == "success") {
var now = (new Date()).getTime();
updateChart(json, now - (graphPeriod * 1000), now);
}
});
}
/**
* Process incoming data responses.
* This is called when we receive a response to a graph data request.
* It correlates the data and waits until all requests are complete
* before drawing the graph
* @param item
* @param json
*/
function addGraphData(item, json) {
// Find this item in rawData
for (var chan = 0; chan < rawData.length; chan++) {
if (rawData[chan].item == item) {
// Mark that we've received this item
rawData[chan].received = true;
// If we have data, process it into the right format for highcharts
// This will probably run in parallel with the next channel being received
if (json != null) {
if (json.datapoints < 2) {
}
else {
// Convert the format. Hopefully the openHAB json can be changed to make this unnecessary
var newSeries = [];
var subPoints = parseInt(json.datapoints / 1000);
var subCount = 0;
var outCount = 0;
for (var i = 0; i < json.datapoints; i++) {
if (subCount++ < subPoints)
continue;
subCount = 0;
newSeries[outCount] = [];
newSeries[outCount][0] = parseInt(json.data[i].time);
newSeries[outCount][1] = parseFloat(json.data[i].state);
outCount++;
}
rawData[chan].data = newSeries;
}
}
}
}
// Check if all requests have completed
for (var chan = 0; chan < rawData.length; chan++) {
if (rawData[chan].received == false)
return;
}
// All requests have completed! Process and display the data!
drawChart();
}
/**
* Draws the chart. This is called after the data has been received.
*/
function drawChart() {
var options = chartOptions;
var errors = "";
options.series = [];
var cnt, tot;
cnt = 0;
tot = 0;
// Process all the data
var series = -1;
for (var chan = 0; chan < rawData.length; chan++) {
// Check if this channel has data
if (rawData[chan].data == null)
continue;
series++;
options.series[series] = {};
// Configure the series styles...
options.series[series].data = rawData[chan].data;
options.series[series].name = rawData[chan].label;
options.series[series].yAxis = rawData[chan].axis;
if (supportedCharts.indexOf(rawData[chan].chart) > -1)
options.series[series].type = rawData[chan].chart;
else
options.series[series].type = "spline";
if (rawData[chan].lineColor != null && rawData[chan].lineColor.length != 0)
options.series[series].color = rawData[chan].lineColor;
if (rawData[chan].lineWidth != null && parseInt(rawData[chan].lineWidth) != NaN)
options.series[series].lineWidth = rawData[chan].lineWidth;
if (typeof rawData[chan].legend == 'string' || rawData[chan].legend instanceof String)
options.series[series].showInLegend = (rawData[chan].legend.toLowerCase() == 'true') ? true : false;
if (rawData[chan].lineStyle != null && rawData[chan].lineStyle.length != 0)
options.series[series].dashStyle = rawData[chan].lineStyle;
if (supportedMarkers.indexOf(rawData[chan].markerSymbol) > -1) {
options.series[series].marker = {};
options.series[series].marker.enabled = true;
options.series[series].marker.symbol = rawData[chan].markerSymbol;
if (rawData[chan].markerColor != null && rawData[chan].markerColor.length != 0) {
options.series[series].marker.fillColor = rawData[chan].markerColor;
options.series[series].marker.lineColor = rawData[chan].markerColor;
}
}
}
$("#splashscreen").fadeOut(10);
$("#HABmin").fadeIn(10);
var h1 = $('#HABmin').innerHeight();
var h2 = $('#HABmin').outerHeight();
h1 = $(window).height();
var w1 = $(window).width();
options.chart.height = h1-2;
options.chart.width = w1-2;
this.chartObject = new Highcharts.Chart(options);
}
/**
* Update the graph.
* Requests data from the server and processes the responses.
* @param newConfig Config object for the chart
* @param start Start time
* @param stop Stop time
*/
function updateChart(newConfig, start, stop) {
// A bit of sanity checking before we start...
if (newConfig == null || newConfig.items == null || newConfig.items.length == 0)
return;
// Keep track of the current configuration
chartConfig = newConfig;
// Change to arrays
if (newConfig.axis != null)
newConfig.axis = [].concat(newConfig.axis);
if (newConfig.items != null)
newConfig.items = [].concat(newConfig.items);
if (isNaN(start))
start = 0;
if (isNaN(stop))
stop = 0;
if (start == 0 || stop == 0) {
var ts = Math.round((new Date()).getTime());
start = ts - (2 * 86400000);
stop = ts;
}
// Make sure we're not asking for data from the future!
if (stop > Math.round((new Date()).getTime()))
stop = Math.round((new Date()).getTime());
var parms = {};
parms.starttime = Math.floor(start);
parms.endtime = Math.ceil(stop);
// Remove the categories from the yAxis
chartOptions.yAxis = [];
for (var cnt = 0; cnt < 4; cnt++) {
chartOptions.yAxis[cnt] = {};
chartOptions.yAxis[cnt].title = {};
chartOptions.yAxis[cnt].title.text = "";
}
// Configure the axis
if (newConfig.axis != null) {
for (var cnt = 0; cnt < newConfig.axis.length; cnt++) {
var axis = newConfig.axis[cnt].axis - 1;
if(newConfig.axis[cnt].label != null && newConfig.axis[cnt].label.length != 0) {
chartOptions.yAxis[axis].title.text = newConfig.axis[cnt].label;
}
if(newConfig.axis[cnt].minimum != null) {
chartOptions.yAxis[axis].min = newConfig.axis[cnt].minimum;
chartOptions.yAxis[axis].startOnTick = false;
}
if(newConfig.axis[cnt].maximum != null) {
chartOptions.yAxis[axis].max = newConfig.axis[cnt].maximum;
chartOptions.yAxis[axis].endOnTick = false;
}
if(newConfig.axis[cnt].position == 'right') {
chartOptions.yAxis[axis].opposite = true;
}
if(newConfig.axis[cnt].format != null && newConfig.axis[cnt].format.length != 0) {
chartOptions.yAxis[axis].labels = {};
chartOptions.yAxis[axis].labels.format = newConfig.axis[cnt].format;
}
if(newConfig.axis[cnt].color != null && newConfig.axis[cnt].color.length != 0) {
if(chartOptions.yAxis[axis].labels == null)
chartOptions.yAxis[axis].labels = {};
chartOptions.yAxis[axis].labels.style = {};
chartOptions.yAxis[axis].labels.style.color = newConfig.axis[cnt].color;
if(chartOptions.yAxis[axis].title != null) {
chartOptions.yAxis[axis].title.style = {};
chartOptions.yAxis[axis].title.style.color = newConfig.axis[cnt].color;
}
}
}
}
// Clear the raw data
rawData = [];
// Loop through all items and request data via Ajax
for (var chan = 0; chan < chartConfig.items.length; chan++) {
rawData[chan] = {};
rawData[chan].received = false;
rawData[chan].item = chartConfig.items[chan].item;
rawData[chan].axis = chartConfig.items[chan].axis - 1;
rawData[chan].label = chartConfig.items[chan].label;
rawData[chan].chart = chartConfig.items[chan].chart;
rawData[chan].legend = chartConfig.items[chan].legend;
rawData[chan].lineWidth = chartConfig.items[chan].lineWidth;
rawData[chan].lineColor = chartConfig.items[chan].lineColor;
rawData[chan].lineStyle = chartConfig.items[chan].lineStyle;
rawData[chan].markerColor = chartConfig.items[chan].markerColor;
rawData[chan].markerSymbol = chartConfig.items[chan].markerSymbol;
jQuery.getJSON(
HABminBaseURL + '/persistence/services/' + persistenceService + '/' +
chartConfig.items[chan].item,
parms,
function (json, state, xhr) {
if (state == "success") {
addGraphData(json.name, json);
}
});
}
}
;
function displayError(error) {
$("#warningText").text(error);
$("#loadingSpinner").fadeOut(10);
$("#startWarning").fadeIn(10);
}
</script>
</head>
<body style="margin:0px;">
<div id="HABmin" style="width:100%;height:100%">
</div>
<div id="splashscreen" class="splashscreen">
<div style="display:block;position:absolute;width:99%;top:40%; text-align: center;">
<p id="loadingSpinner"><img src="images/loading.gif" alt="Loading..."/></p>
</div>
<div style="display:block;position:absolute;width:99%;top:45%; text-align: center;">
<p id="startWarning" style="display:none;font-family:Verdana,Helvetica,sans-serif;font-size: 10px;">
<span><img style="margin-top:-4px;" src="images/exclamation.png" alt="Error..."/></span><span
id="warningText" style="margin-left: 4px; vertical-align: top;"></span>
</p>
</div>
</div>
</body>
</html>