Initial version of demo

This commit introduces the demo functionality.
The task assignment has been removed at the moment,
as this will be changed in a future commit.

2 files changed, 161 insertions, 24 deletions

diff --git a/app/static/js/buttons.js b/app/static/js/buttons.js
index d26a15d..75adad2 100644
--- a/app/static/js/buttons.js
+++ b/app/static/js/buttons.js
@@ -8,7 +8,7 @@ function resetOnClick() {
 	updateTable();
 }
 
-function noCPOnClick(task_id) {
+function noCPOnClick(identifier) {
 	var changepoints = document.getElementsByClassName("changepoint");
 	// validation
 	if (changepoints.length > 0) {
@@ -16,27 +16,27 @@ function noCPOnClick(task_id) {
 		return;
 	}
 
-	var obj = {
-		task: task_id,
-		changepoints: null
-	};
+	var obj = {}
+	obj["identifier"] = identifier;
+	obj["changepoints"] = null;
 
 	var xhr = new XMLHttpRequest();
-	xhr.open("POST", "");
+	xhr.open("POST", "", false);
 	xhr.withCredentials = true;
 	xhr.setRequestHeader("Content-Type", "application/json");
-	xhr.send(JSON.stringify(obj));
+	/* Flask's return to this POST must be a URL, not a template!*/
 	xhr.onreadystatechange = function() {
-		if (xhr.readyState == XMLHttpRequest.DONE) {
-			if (xhr.status === 200)
-				window.location.href = xhr.responseText;
+		if (xhr.readyState == XMLHttpRequest.DONE && xhr.status == 200) {
+			window.location.href = xhr.responseText;
+			console.log("XHR Success: " + xhr.responseText);
 		} else {
-			console.log("Error: " + xhr.status);
+			console.log("XHR Error: " + xhr.status);
 		}
-	};
+	}
+	xhr.send(JSON.stringify(obj));
 }
 
-function submitOnClick(task_id) {
+function submitOnClick(identifier) {
 	var changepoints = document.getElementsByClassName("changepoint");
 	// validation
 	if (changepoints.length === 0) {
@@ -45,7 +45,7 @@ function submitOnClick(task_id) {
 	}
 
 	var obj = {};
-	obj["task"] = task_id;
+	obj["identifier"] = identifier;
 	obj["changepoints"] = [];
 	var i, cp;
 	for (i=0; i<changepoints.length; i++) {
@@ -62,14 +62,15 @@ function submitOnClick(task_id) {
 	xhr.open("POST", "");
 	xhr.withCredentials = true;
 	xhr.setRequestHeader("Content-Type", "application/json");
-	xhr.send(JSON.stringify(obj));
+	/* Flask's return to this POST must be a URL, not a template!*/
 	xhr.onreadystatechange = function() {
-		if (xhr.readyState == XMLHttpRequest.DONE) {
-			if (xhr.status === 200)
-				window.location.href = xhr.responseText;
+		if (xhr.readyState == XMLHttpRequest.DONE && xhr.status == 200) {
+			window.location.href = xhr.responseText;
+			console.log("XHR Success: " + xhr.responseText);
 		} else {
-			console.log("Error: " + xhr.status);
+			console.log("XHR Error: " + xhr.status);
 		}
 	};
+	xhr.send(JSON.stringify(obj));
 }
 
diff --git a/app/static/js/makeChart.js b/app/static/js/makeChart.js
index 35069b6..fd4a257 100644
--- a/app/static/js/makeChart.js
+++ b/app/static/js/makeChart.js
@@ -1,4 +1,4 @@
-function makeChart(data) {
+function makeChart(selector, data) {
 	var n = 0;
 	data.forEach(function(d) {
 		d.X = n++;
@@ -8,7 +8,7 @@ function makeChart(data) {
 	var divWidth = 1000;
 	var divHeight = 480;
 
-	var svg = d3.select("#graph")
+	var svg = d3.select(selector)
 		.on("touchstart", nozoom)
 		.on("touchmove", nozoom)
 		.append("svg")
@@ -31,6 +31,7 @@ function makeChart(data) {
 
 	var xAxis = d3.axisBottom(x);
 	var yAxis = d3.axisLeft(y);
+	yAxis.ticks(0);
 
 	var xExtent = d3.extent(data, function(d) { return d.X; });
 	var xRange = xExtent[1] - xExtent[0];
@@ -49,13 +50,13 @@ function makeChart(data) {
 	svg.append("defs").append("clipPath")
 		.attr("id", "clip")
 		.append("rect")
-		.attr("width", width - 30)
+		.attr("width", width - 18)
 		.attr("height", height)
-		.attr("transform", "translate(" + 30 + ",0)");
+		.attr("transform", "translate(" + 18 + ",0)");
 
 	svg.append("g")
 		.attr("class", "axis axis--y")
-		.attr("transform", "translate(" + 30 + ",0)")
+		.attr("transform", "translate(" + 18 + ",0)")
 		.call(yAxis);
 
 	svg.append("g")
@@ -127,3 +128,138 @@ function makeChart(data) {
 		d3.event.preventDefault();
 	}
 }
+
+function makeChartAnnotated(selector, data, annotations) {
+	var n = 0;
+	data.forEach(function(d) {
+		d.X = n++;
+		d.Y = d.value;
+	});
+
+	var divWidth = 1000;
+	var divHeight = 480;
+
+	var svg = d3.select(selector)
+		.on("touchstart", nozoom)
+		.on("touchmove", nozoom)
+		.append("svg")
+		.attr("width", divWidth)
+		.attr("height", divHeight)
+		.attr("viewBox", "0 0 " + divWidth + " " + divHeight);
+
+	var margin = {top: 20, right: 20, bottom: 50, left: 50};
+	var width = +svg.attr("width") - margin.left - margin.right;
+	var height = +svg.attr("height") - margin.top - margin.bottom;
+
+	var zoom = d3.zoom()
+		.scaleExtent([1, 50])
+		.translateExtent([[0, 0], [width, height]])
+		.extent([[0, 0], [width, height]])
+		.on("zoom", zoomed);
+
+	var x = d3.scaleLinear().range([0, width]);
+	var x2 = d3.scaleLinear().range([0, width]);
+	var y = d3.scaleLinear().range([height, 0]);
+
+	var xAxis = d3.axisBottom(x);
+	var yAxis = d3.axisLeft(y);
+	yAxis.ticks(0);
+
+	var xExtent = d3.extent(data, function(d) { return d.X; });
+	var xRange = xExtent[1] - xExtent[0];
+	var xDomainMin = xExtent[0] - xRange * 0.02;
+	var xDomainMax = xExtent[1] + xRange * 0.02;
+
+	var yExtent = d3.extent(data, function(d) { return d.Y; });
+	var yRange = yExtent[1] - yExtent[0];
+	var yDomainMin = yExtent[0] - yRange * 0.05;
+	var yDomainMax = yExtent[1] + yRange * 0.05;
+
+	x.domain([xDomainMin, xDomainMax]);
+	y.domain([yDomainMin, yDomainMax]);
+	x2.domain(x.domain());
+
+	svg.append("defs").append("clipPath")
+		.attr("id", "clip")
+		.append("rect")
+		.attr("width", width - 18)
+		.attr("height", height)
+		.attr("transform", "translate(" + 18 + ",0)");
+
+	svg.append("g")
+		.attr("class", "axis axis--y")
+		.attr("transform", "translate(" + 18 + ",0)")
+		.call(yAxis);
+
+	svg.append("g")
+		.attr("class", "axis axis--x")
+		.attr("transform", "translate(0," + height + ")")
+		.call(xAxis);
+
+	svg.append("text")
+		.attr("text-anchor", "middle")
+		.attr("class", "axis-label")
+		.attr("transform", "translate(" + (width - 20) + "," + (height + 50) + ")")
+		.text("Time");
+
+	var line = d3.line()
+		.x(function(d) { return x(d.X); })
+		.y(function(d) { return y(d.Y); });
+
+	var g = svg.append("g")
+		.call(zoom);
+
+	g.append("rect")
+		.attr("width", width)
+		.attr("height", height);
+
+	var view = g.append("g")
+		.attr("class", "view");
+
+	view.append("path")
+		.datum(data)
+		.attr("class", "line")
+		.attr("d", line);
+
+	var points = view.selectAll("circle")
+		.data(data)
+		.enter().append("circle")
+		.attr("cx", function(d) { return x(d.X); })
+		.attr("cy", function(d) { return y(d.Y); })
+		.attr("data_X", function(d) { return d.X; })
+		.attr("data_Y", function(d) { return d.Y; })
+		.attr("r", 5);
+
+	function zoomed() {
+		t = d3.event.transform;
+		x.domain(t.rescaleX(x2).domain());
+		svg.select(".line").attr("d", line);
+		points.data(data)
+			.attr("cx", function(d) { return x(d.X); })
+			.attr("cy", function(d) { return y(d.Y); });
+		svg.select(".axis--x").call(xAxis);
+	}
+
+	function nozoom() {
+		d3.event.preventDefault();
+	}
+
+	annotations.forEach(function(a) {
+		for (i=0; i<points._groups[0].length; i++) {
+			p = points._groups[0][i];
+			if (p.getAttribute("data_X") == a.index) {
+				var elem = d3.select(p);
+				elem.classed("marked", "true");
+				view.append("line")
+					.attr("cp_idx", a.index)
+					.attr("y1", y(yDomainMax))
+					.attr("y2", y(yDomainMin))
+					.attr("x1", x(a.index))
+					.attr("x2", x(a.index))
+					.attr("class", "ann-line");
+				break;
+			}
+		}
+	});
+}
+