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var ErrorVis = (function() {
var margins = {
"top": 40,
"bottom": 40,
"left": 40,
"right": 40
};
function ErrorVis() {
this.container = d3.select("body").append("div").remove();
this.svgContainer = this.container.append("div");
this.svg = this.svgContainer.append("svg");
this.ready = false;
this.readyHooks = [];
this.svgContainer
.style("margin-top", "1.5em")
.style("margin-bottom", "1em")
.style("height", "75%") // TODO find optimal height
.style("width", "100%");
this.spinner = this.container.append("div")
.attr("class", "mdl-spinner mdl-js-spinner mdl-spinner--single-color is-active spinner")
.style("position", "absolute")
.style("left", "50%")
.style("top", "50%");
componentHandler.upgradeElement(this.spinner.node());
}
ErrorVis.prototype.addPlaceholder = function(el) {
el.appendChild(this.spinner.node().cloneNode(true));
};
ErrorVis.prototype.afterLoad = function(cb) {
if (!this.ready) {
this.readyHooks.push(cb);
} else {
cb();
}
};
ErrorVis.prototype.load = function(url, callback) {
var self = this;
d3.json(url)
.get(function(e, json) {
if (e) console.log(e);
self.data = Object.keys(json).map(function(k) { return parseFloat(json[k]); });
self.ready = true;
callback();
self.readyHooks.forEach(function(hook) { hook(); });
});
};
ErrorVis.prototype.openIn = function(el) {
d3.select(el).select(".spinner").remove();
el.appendChild(this.svgContainer.node());
this.reposition();
};
ErrorVis.prototype.remove = function(el) {
this.svgContainer.node().parentNode.appendChild(this.spinner.node().cloneNode(true));
this.svgContainer.node().parentNode.removeChild(this.svgContainer.node());
};
ErrorVis.prototype.reposition = function() {
var self = this;
// TODO may not need to recreate everything
this.svg.remove();
this.svg = this.svgContainer.append("svg");
var width = parseInt(this.svgContainer.style("width")) || 800,
height = parseInt(this.svgContainer.style("height")) || 600;
this.svg
.style("width", width)
.style("height", height);
this.scalerX = d3.scale.linear()
.range([margins.left, width-margins.right])
.domain([0, this.data.length]);
this.scalerY = d3.scale.linear()
.range([height-margins.top, margins.bottom])
.domain(d3.extent(this.data));
var xAxis = d3.svg.axis()
.tickFormat("")
.scale(this.scalerX);
var yAxis = d3.svg.axis()
.orient("left")
.scale(this.scalerY);
var gy = this.svg.append("g")
.attr("transform", "translate(" + margins.left + ", 0)")
.attr("class", "axis")
.call(yAxis);
var gx = this.svg.append("g")
.attr("transform", "translate(0, " + (height-margins.bottom) + ")")
.attr("class", "axis")
.call(xAxis);
var line = d3.svg.line()
.x(function(d, i) { return self.scalerX(i); })
.y(function(d) { return self.scalerY(d); });
this.svg.append("path")
.attr("d", line(this.data))
.attr("stroke", "#673ab7")
.attr("stroke-width", 5)
.attr("fill", "none");
this.marker = this.svg.append("circle")
.attr("display", "none")
.attr("r", 10)
.attr("fill", "#2962ff");
};
ErrorVis.prototype.showMarker = function(step) {
this.marker.style("display", "inherit");
this.marker.attr("cx", this.scalerX(step));
this.marker.attr("cy", this.scalerY(this.data[step]));
};
ErrorVis.prototype.hideMarker = function() {
this.marker.style("display", "none");
};
return ErrorVis;
})();
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