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timeser.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<link rel="shortcut icon" type="image/png" href="https://rawgit.com/eurostat/eurostat.js/master/img/favicon.png" />
<title>Inflation in Europe</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="https://code.jquery.com/ui/1.11.4/jquery-ui.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="https://cdn.jsdelivr.net/gh/eurostat/eurostat.js@0.1/js/jquery.mousewheel.min.js"></script>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="https://cdn.jsdelivr.net/gh/eurostat/eurostat.js@0.1/js/colorbrewer.min.js"></script>
<!-- <script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script> -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.6/moment.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/jsonstat@0.13.3/json-stat.js"></script>
<link rel="stylesheet" type="text/css"
href="https://cdnjs.cloudflare.com/ajax/libs/rickshaw/1.6.0/rickshaw.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/rickshaw/1.6.0/rickshaw.min.js"></script>
<script src="https://cdn.jsdelivr.net/gh/eurostat/eurostat.js@0.1/js/lib.js"></script>
<script src="https://cdn.jsdelivr.net/gh/eurostat/eurostat.js@0.1/js/eurostat-lib.js"></script>
<script src="https://cdn.jsdelivr.net/gh/eurostat/eurostat.js@0.1/js/pr-eurostat-lib.js"></script>
<script src="https://cdn.jsdelivr.net/gh/eurostat/eurostat.js@0.1/js/pr-coicop-dict.js"></script>
<style>
body {
font-family: Arial;
font-size: 80%;
}
table,
th,
td {
border: 1px solid black;
border-collapse: collapse;
text-align: center;
}
#timeslider label {
position: absolute;
width: 20px;
margin-top: 20px;
margin-left: -10px;
text-align: center;
}
.ui-widget {
font-size: 90% !important;
}
</style>
</head>
<body>
<div style="float: left; border-top: solid; border-right: solid; border-width: 1px; border-color: #BBB">
<div id="graph" style="width: 1000px; height: 300px;"></div>
<div id="timerange" style="margin-top: 20px;"></div>
</div>
<div id="legend" style="margin-left: 30px; height: 300px;"></div>
<div id="indic" style="margin-top: 40px">
<input type="radio" name="indic" id="manr" value="manr" checked>
<label for="manr">Annual rate of change</label> <input type="radio" name="indic" id="midx" value="midx"> <label
for="midx">Index</label>
<input type="radio" name="indic" id="mmor" value="mmor"> <label for="mmor">Monthly rate of change</label> <input
type="radio" name="indic" id="mv12r" value="mv12r"> <label for="mv12r">12-month
average rate of change</label>
</div>
<div id="refYearDiv" style="margin-top: 7px;">
Index reference year: <span id="refYearTxt"></span>
<div id="refYearSlider" style="width: 250px; margin-top: 5px"></div>
</div>
<div style="width: 1000px; margin-top: 20px; padding: 5px; border: solid 1px gray; border-radius: 5px;">
<div>
<label for="geoN">Country</label><br> <select name="geoN" id="geoList"></select>
</div>
<div style="margin-top: 10px;">
<label for="coicopN">COICOP</label><br> <select name="coicopN" id="coicopList"></select>
</div>
<div style="margin-top: 10px;">
<button type="button" id="addRemB">Add to chart</button>
</div>
</div>
<div id="interp" style="margin-top: 20px">
Interpolation: <input type="radio" name="interp" id="linear" value="linear" checked> <label
for="linear">Linear</label> <input type="radio" name="interp" id="cardinal" value="cardinal" checked>
<label for="cardinal">Cardinal</label> <input type="radio" name="interp" id="basis" value="basis"> <label
for="basis">Basis</label>
<input type="radio" name="interp" id="step-after" value="step-after">
<label for="step-after">Step after</label>
</div>
<div style="margin-top: 25px">
Share as URL<br> <input type="text" id="URLtext" name="URLtext" size="100">
</div>
<div id="dialog" style="display: none;"></div>
<script>
/**
*
* Price statistics time series visualisation
*
* @author julien Gaffuri
*
*/
(function ($, EstLib) {
$(function () {
//TODO bug
//file:///H:/psps/visualisation/WebContent/timeser.html?sel=EU,CP00,EA,CP00,US,CP00&indic=midx&iry=1997&dsl=2002M04,2013M08
//file:///H:/psps/visualisation/WebContent/timeser.html?sel=EU,CP00,EA,CP00,US,CP00,EA19,CP0111&indic=midx&iry=1997&dsl=2004M06,2011M06
//when midx and iry and dsl
//caused by re-referencing
//TODO default values: zoom on last figures?
//TODO autocompletion for coicops and countries?
//TODO pan on time range slide - move range
//TODO factorise code into a new pr-eurostat-lib.js file
//TODO on chart, show reference period
//TODO on click, pan with animation
//TODO on double click, zoom with animation
//TODO show data table for on-the-fly download
//TODO test new Rickshaw.Graph.RangeSlider.Preview
//https://github.com/raw/shutterstock/rickshaw/master/rickshaw.js
//the dataset - [indic][geo_coicop]
var dsDict = {};
//dictionnary for geo names
var geoDict = {};
//the default reference year. Should be updated when reference year changes
var defaultIndexReferenceYear = 2015;
//the minimum temporal resolution, in seconds by pixel
var temporalResMin = 40000;
//GUI components
//dialog
var dialog = $("#dialog");
//graph
var gDiv = $("#graph");
var graph = new Rickshaw.Graph({
element: gDiv.get(0),
renderer: 'line',
min: "auto",
interpolation: $("input:radio[name=interp]:checked").val(),
series: []
});
graph.renderer.strokeWidth = 1.5;
//redraw graph
var redrawGraph = function () {
//erase previous drawing
gDiv.children("svg").empty();
var legDiv = $("#legend");
legDiv.empty();
//empty series data
graph.series.length = 0;
//fill graph data structure
var selNb = sel.length;
var colors = colorbrewer["Dark2"][Math.min(Math.max(selNb, 3), 8)];
var indic = $("input:radio[name=indic]:checked").val();
for (var j = 0; j < selNb; j++) {
var sel_ = sel[j];
var ds = dsDict[indic][sel_.geo + "_" + sel_.coicop];
if (!ds) continue;
serie = {};
serie.color = colors[j % 8];
serie.name = ds.Dimension("geo").Category(sel_.geo).label + " - " + EstLib.coicopsDict[sel_.coicop].desc;
serie.data = [];
serie.ds = ds; //necessary to show the flags in tooltip
var months = ds.Dimension("time").Category();
for (var i = 0; i < months.length; i++) {
var month = months[i].label;
var d = ds.Data({ time: month });
if (!d || d.length || (d.value != 0 && !d.value)) continue;
serie.data.push({ x: EstLib.prMonthToRTime(month), y: d.value });
}
graph.series.push(serie);
}
graph.render();
//graph.update();
highlightBaseLine();
//build legend
var legend = new Rickshaw.Graph.Legend({
graph: graph,
element: document.getElementById("legend"),
naturalOrder: true
});
//change legend style
legDiv.css("background-color", "white");
$(".label").css("color", "black");
$(".action").css("color", "black");
$(".rickshaw_legend").css("color", "black");
//onhover event for legend elements
if (sel.length > 1) {
new Rickshaw.Graph.Behavior.Series.Toggle({
graph: graph,
legend: legend
});
new Rickshaw.Graph.Behavior.Series.Highlight({
graph: graph,
legend: legend
});
}
//add "remove button" to legend elements
legDiv.children(0).children().each(function (i, el) {
var img = $("<img>")
.attr("src", "https://rawgit.com/eurostat/eurostat.js/master/img/ico-delete.png")
.attr("height", "13").attr("width", "13")
.attr("title", "Remove")
.click(function () { removeSelection(i); });
el = $(el);
//el.append(img);
el.children("a").after(img);
el.children("img").after($("<span>").text(" "));
});
//ensures URL filed is updated when time range slider changes
if (!sliR.ovrDone) {
var slideFun = sliR.slider("option", "slide");
sliR.slider("option", "slide", function (event, ui) {
slideFun(event, ui);
updateURLTextField();
});
sliR.ovrDone = true;
}
//ensures initial range values are loaded
if (sliR.initVals) {
focusOn(sliR.initVals);
sliR.initVals = null;
}
};
//launch queries to get new data and redraw graph
var getGraphData = function () {
var ajaxs = [];
var indic = $("input:radio[name=indic]:checked").val();
if (!dsDict[indic]) dsDict[indic] = {};
for (var j = 0; j < sel.length; j++) {
if (dsDict[indic][sel[j].geo + "_" + sel[j].coicop]) continue;
//var params = { geo: sel[j].geo, coicop: sel[j].coicop };
//if (indic === "midx") params.unit = "I15";
let url = "https://ec.europa.eu/eurostat/api/dissemination/statistics/1.0/data/prc_hicp_" + indic + "?format=json&lang=en&geo=" + sel[j].geo + "&coicop=" + sel[j].coicop
if (indic === "midx") url += "&unit=I15";
var ajax = $.ajax({ url: url });
ajax.prSel = sel[j];
ajaxs.push(ajax);
}
if (ajaxs.length > 0)
$.when.apply($, ajaxs)
.then(function () {
if (!dsDict[indic]) dsDict[indic] = {};
for (var j = 0; j < sel.length; j++) {
var key = sel[j].geo + "_" + sel[j].coicop;
if (dsDict[indic][key]) continue;
var data = arguments.length == 3 && arguments[1] === "success" ? arguments[0] : arguments[j][0];
EstLib.overrideCountryNames(data.dimension.geo.category.label);
data = JSONstat(data).Dataset(0);
//if index and new index reference year, re-reference
if (indic === "midx" && indRefYearSlid.slider("value") != defaultIndexReferenceYear)
EstLib.rereference(data, indRefYearSlid.slider("value"), key);
dsDict[indic][key] = data;
}
redrawGraph();
}, function () {
var sel__ = arguments[0].prSel;
dialog.html("No data available for:<br>Country: " + geoDict[sel__.geo] + "<br>COICOP: " + EstLib.coicopsDict[sel__.coicop].desc);
dialog.dialog({ title: "No data" });
sel.splice(sel.indexOf(sel__), 1);
//redrawGraph();
});
else
redrawGraph();
};
//zoom/pan graph
var focusOn = function (values) {
sliR.slider("values", values);
graph.window.xMin = values[0];
graph.window.xMax = values[1];
graph.render(); //graph.update();
updateURLTextField();
highlightBaseLine();
};
var pan = false, xC = 0;
gDiv.mousedown(function (e) {
pan = true;
xC = e.offsetX;
});
gDiv.mouseup(function () {
pan = false;
xC = 0;
});
gDiv.mousemove(function (e) {
var sv = sliR.slider("values");
if (!pan) return;
var dt = xC - e.offsetX; //in pixel screen
dt = dt / gDiv.width(); //in graph width ratio
dt = dt * (sv[1] - sv[0]); //in time
var dom = graph.dataDomain();
var newV0 = sv[0] + dt;
if (newV0 < dom[0]) return;
var newV1 = sv[1] + dt;
if (newV1 > dom[1]) return;
if (newV0 >= newV1) return; //should not happen.
focusOn([newV0, newV1]);
xC = e.offsetX;
});
gDiv.mousewheel(function (e) {
var sv = sliR.slider("values");
var w = gDiv.width();
var dt = 0.2 * (sv[1] - sv[0]);
dt = e.deltaY > 0 ? dt : -dt;
var r = e.offsetX / w;
var dom = graph.dataDomain();
var newV0 = Math.max(dom[0], sv[0] + r * dt);
var newV1 = Math.min(dom[1], sv[1] - (1 - r) * dt);
//zoom-in threshold, based on temporal resolution
if ((newV1 - newV0) / w < temporalResMin) {
var mid = 0.5 * (sv[0] + sv[1]);
dt = 0.5 * w * temporalResMin;
newV0 = mid - dt;
newV1 = mid + dt;
}
focusOn([newV0, newV1]);
});
//axis
new Rickshaw.Graph.Axis.Time({ graph: graph });
new Rickshaw.Graph.Axis.Y({ graph: graph });
var highlightBaseLine = function () {
var indic = $("input:radio[name=indic]:checked").val();
$("text:contains(" + (indic === "midx" ? 100 : 0) + ")").prev().attr("style", "stroke:rgb(0,0,0);stroke-width:1;");
};
//graph tooltips
new Rickshaw.Graph.HoverDetail({
graph: graph,
formatter: function (series, x, y) {
var date = moment(new Date(x * 1000)).format("MMM YYYY");
var flag = series.ds.Data({ time: EstLib.rTimeToPrMonth(x) }).status;
if (flag === "e") flag = " (estimated)";
return series.name.replace(" - ", "<br>") + "<br>" + date + "<br><b>" + y.toFixed(1) + "</b>" + (flag || "");
},
xFormatter: function () { return ""; }
});
//timerange slider - see https://jqueryui.com/slider/#range
var sliR = $("#timerange");
new Rickshaw.Graph.RangeSlider({
graph: graph,
element: sliR.get(0)
});
var dsl = EstLib.getParameterByName("dsl");
if (dsl) {
dsl = dsl.split(",");
if (dsl.length == 2) {
var d0 = +EstLib.prMonthToRTime(dsl[0]);
var d1 = +EstLib.prMonthToRTime(dsl[1]);
if (!isNaN(d0) && !isNaN(d1) && d0 < d1) sliR.initVals = [d0, d1];
}
}
//indicator option
var indic = EstLib.getParameterByName("indic");
if (indic) $('input:radio[name=indic][value=' + indic + ']').attr('checked', true);
$("input[name='indic']").change(function () {
if ($("input:radio[name=indic]:checked").val() === "midx") indRefYearDiv.show(); else indRefYearDiv.hide();
getGraphData();
updateURLTextField();
});
$("#indic").buttonset();
//index reference year slider
var indRefYearDiv = $("#refYearDiv");
var indRefYearSlid = $("#refYearSlider");
var iry = EstLib.getParameterByName("iry");
indRefYearSlid.slider({
value: (iry ? iry : defaultIndexReferenceYear),
step: 1,
slide: function (e, ui) { updateIndexReferenceYear(ui.value); }
});
var updateIndexReferenceYear = function (refYearFin) {
$("#refYearTxt").text(refYearFin);
//compute re-referencing
for (var dsKey in dsDict.midx) EstLib.rereference(dsDict.midx[dsKey], refYearFin, dsKey);
//update graph
redrawGraph();
updateURLTextField(refYearFin);
};
if ($("input:radio[name=indic]:checked").val() === "midx") indRefYearDiv.show(); else indRefYearDiv.hide();
//geos list
var geoList = $("#geoList");
//coicops list
var coicopList = $("#coicopList");
EstLib.fillCoicopList(coicopList);
$('#coicopList option[value="CP00"]').attr('selected', 'selected');
coicopList.selectmenu({
change: function () { updateAddRemButtonText(); },
width: 800
}).selectmenu("menuWidget").css("height", "300px");
//add/remove button
var sel = EstLib.getParameterByName("sel");
if (sel) {
var sel_ = sel.split(",");
sel = [];
for (var i = 0; i < sel_.length; i = i + 2) sel.push({ geo: sel_[i], coicop: sel_[i + 1] });
} else
sel = [
{ geo: "EU", coicop: "CP00" },
{ geo: "EA", coicop: "CP00" },
{ geo: "US", coicop: "CP00" }
];
var removeSelection = function (i) {
sel.splice(i, 1);
updateAddRemButtonText();
updateURLTextField();
redrawGraph();
};
var addRemButton = $("#addRemB"); //addRemButton.button(); $("button").button();
addRemButton.click(function () {
var geoSel = geoList.val();
var coicopSel = coicopList.val();
//check if already selected, remove. Otherwise, add.
for (var j = 0; j < sel.length; j++)
if (geoSel === sel[j].geo && coicopSel === sel[j].coicop) {
removeSelection(j);
return;
}
sel.push({ geo: geoSel, coicop: coicopSel });
updateAddRemButtonText();
getGraphData();
updateURLTextField();
});
var updateAddRemButtonText = function () {
//check if already selected
for (var j = 0; j < sel.length; j++)
if (geoList.val() === sel[j].geo && coicopList.val() === sel[j].coicop) {
addRemButton.button("option", "label", "Remove from chart");
return;
}
addRemButton.button("option", "label", "Add to chart");
};
addRemButton.button();
//interpolation option
var interp = EstLib.getParameterByName("interp");
if (interp) $('input:radio[name=interp][value=' + interp + ']').attr('checked', true);
$("input[name='interp']").change(function () {
graph.interpolation = $("input:radio[name=interp]:checked").val();
graph.render();
updateURLTextField();
});
$("#interp").buttonset();
//sharing URL
var updateURLTextField = function (refYearFin) {
var params = [];
//sel
var buf = [];
for (var i = 0; i < sel.length; i++) buf.push(sel[i].geo, sel[i].coicop);
params.push({ p: "sel", v: buf.join(",") });
//indic
var indic = $("input:radio[name=indic]:checked").val();
if (indic != "manr") params.push({ p: "indic", v: indic });
//index reference year
var iry = refYearFin || indRefYearSlid.slider("value");
if (iry != defaultIndexReferenceYear) params.push({ p: "iry", v: iry });
//interp
var interp = $("input:radio[name=interp]:checked").val();
if (interp != "cardinal") params.push({ p: "interp", v: interp });
//dsl
var sv = sliR.slider("values");
if (!isNaN(sv[0]) && !isNaN(sv[1])) {
var dom = graph.dataDomain();
if (dom[0] != sv[0] || dom[1] != sv[1]) {
params.push({ p: "dsl", v: EstLib.rTimeToPrMonth(+sv[0]) + "," + EstLib.rTimeToPrMonth(+sv[1]) });
}
}
buf = [];
for (i = 0; i < params.length; i++) buf.push(params[i].p + "=" + params[i].v);
$("#URLtext").val(window.location.origin + window.location.pathname + (buf.length > 0 ? "?" + buf.join("&") : ""));
};
//get initial information
const url1 = "https://ec.europa.eu/eurostat/api/dissemination/statistics/1.0/data/prc_hicp_manr?format=json&lang=en&coicop=CP00&coicop=CP01&coicop=CP02&time=2010-01&time=2015-01&time=2016-01&time=2017-01&time=2020-01"
const url2 = "https://ec.europa.eu/eurostat/api/dissemination/statistics/1.0/data/prc_hicp_midx?format=json&lang=en&coicop=CP00&coicop=CP01&coicop=CP02&geo=EU&geo=EA"
$.when(
$.ajax({ url: url1 }),
$.ajax({ url: url2 })
).then(function (geos, months) {
//get geo info
geos = geos[0];
geoDict = geos.dimension.geo.category.label;
EstLib.overrideCountryNames(geoDict);
geos = JSONstat(geos).Dataset(0);
//build geo list
EstLib.buildGeoList(geoList, geos.Dimension("geo").id, function (geo) { return geoDict[geo]; }, null, function () {
updateAddRemButtonText();
}, 800, 200);
//get time info
months = months[0];
months = JSONstat(months).Dataset(0).Dimension("time").id.sort();
indRefYearSlid.slider("option", "min", +months[0].substring(0, 4));
indRefYearSlid.slider("option", "max", +months[months.length - 1].substring(0, 4));
//various updates
updateAddRemButtonText();
$("#refYearTxt").text(indRefYearSlid.slider("value"));
var indic = $("input:radio[name=indic]:checked").val();
var iry = indRefYearSlid.slider("value");
if (indic === "midx" && iry != defaultIndexReferenceYear) updateIndexReferenceYear(iry);
updateURLTextField();
//first graph refresh
getGraphData();
}, function () {
console.log("Could not retrieve initial information");
});
});
}(jQuery, window.EstLib = window.EstLib || {}));
</script>
</body>
</html>