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var WeightVisWrapper = (function() {
var attributeNames =
["CRIM", "ZN", "INDUS", "CHAS", "NOX", "RM", "AGE", "DIS", "RAD", "TAX", "PTRATIO", "B", "LSTAT"];
function WeightVisWrapper() {
this.container = d3.select("body").append("div").remove();
this.svgContainer = this.container.append("div");
this.controlContainer = this.container.append("div");
this.svg = this.svgContainer.append("svg");
this.netVisualizer = new NetVisualizer(this.svg);
this.resizeHooks = [];
this.ready = false;
this.svgContainer
.style("margin-top", "1.5em")
.style("margin-bottom", "1em")
.style("height", "100%")
.style("width", "100%");
this.spinner = this.container.append("div")
.attr("class", "mdl-spinner mdl-js-spinner mdl-spinner--single-color is-active visContainer")
.style("position", "absolute")
.style("left", "50%")
.style("top", "50%");
componentHandler.upgradeElement(this.spinner.node());
this.controlContainer
.style("margin-left", "auto")
.style("margin-right", "auto")
.style("width", "50%");
this.button = this.controlContainer.append("button")
.attr("class", "mdl-button mdl-js-button mdl-button--fab mdl-js-ripple-effect mdl-button--colored")
.attr("data-pressed", "false")
.style("float", "left");
this.button.append("i")
.attr("class", "material-icons play")
.text("play_arrow");
this.button.append("i")
.attr("class", "material-icons pause")
.style("display", "none")
.text("pause");
componentHandler.upgradeElement(this.button.node());
var sliderContainer = this.controlContainer.append("p")
.style("margin-top", "1.4em");
this.slider = sliderContainer.append("input")
.attr("class", "mdl-slider mdl-js-slider visSlider")
.attr("type", "range")
.attr("min", "0")
.attr("max", "1")
.attr("value", "0")
.attr("tabindex", "0");
componentHandler.upgradeElement(this.slider.node());
}
WeightVisWrapper.prototype.load = function(url, callback) {
var self = this;
this.netVisualizer.load(url, function(){
var inputNodes = self.svg.selectAll(".layer-1")[0];
for (node=0; node<inputNodes.length; node++) {
self.svg
.append("text")
.attr("class", "attribute")
.attr("text-anchor", "middle")
.attr("font-weight", "bold")
.attr("font-size", attrFontSize + "px")
.attr("pointer-events", "none") // disable hovering
.attr("cursor", "default")
.text(attributeNames[node]);
}
self.resizeHooks.push(function() { self.netVisualizer.reposition(); });
self.resizeHooks.push(function() { self.placeAttributes(); });
self.netVisualizer.hookStepper(function(step) { self.slider.node().MaterialSlider.change(step); });
self.netVisualizer.hookStop(function() {
self.button.attr("data-pressed", "false");
self.button.select(".play").style("display", "");
self.button.select(".pause").style("display", "none");
if (self.slider.node().value >= self.slider.node().max * 0.95) {
self.slider.node().MaterialSlider.change(0); // wrap at right end
}
});
self.slider.attr("max", self.netVisualizer.getSteps() - 1);
self.slider.node().addEventListener("input", function() { self.netVisualizer.showStep(this.value); });
self.button.node().addEventListener("click", function toggle() {
if (self.button.attr("data-pressed") != "true") {
var step = self.slider.node().value;
self.netVisualizer.animate(15, 10, step);
self.button.attr("data-pressed", "true");
self.button.select(".play").style("display", "none");
self.button.select(".pause").style("display", "");
} else {
self.netVisualizer.stopAnimation();
self.button.attr("data-pressed", "false");
self.button.select(".play").style("display", "");
self.button.select(".pause").style("display", "none");
}
});
self.ready = true;
callback();
console.log("ready"); // DEBUG
});
};
var attrFontSize = 20;
WeightVisWrapper.prototype.placeAttributes = function() {
var inputNodes = this.svg.selectAll(".layer-1")[0];
var attrs = this.svg.selectAll(".attribute")[0];
for (node=0; node<inputNodes.length; node++) {
var iNode = d3.select(inputNodes[node]);
d3.select(attrs[node])
.attr("x", iNode.attr("cx"))
.attr("y", Math.floor(parseInt(iNode.attr("cy")) + attrFontSize / 2));
}
};
WeightVisWrapper.prototype.addPlaceholder = function(el) {
el.node().parentNode.appendChild(this.spinner.node().cloneNode(true));
el.remove();
};
WeightVisWrapper.prototype.openIn = function(el) {
el.node().parentNode.appendChild(this.svgContainer.node());
el.node().parentNode.appendChild(this.controlContainer.node());
el.remove();
this.reposition();
};
WeightVisWrapper.prototype.remove = function(el) {
this.svgContainer.node().parentNode.removeChild(this.controlContainer.node());
this.svgContainer.node().parentNode.appendChild(this.spinner.node().cloneNode(true));
this.svgContainer.node().parentNode.removeChild(this.svgContainer.node());
this.container.node().appendChild(this.controlContainer.node());
this.container.node().appendChild(this.svgContainer.node());
this.netVisualizer.stopAnimation();
this.slider.node().MaterialSlider.change(0);
};
WeightVisWrapper.prototype.reposition = function() {
this.svg
.style("width", this.svgContainer.style("width"))
.style("height", this.svgContainer.style("height"));
this.resizeHooks.forEach(function (hook) { hook(); });
this.netVisualizer.reposition();
};
WeightVisWrapper.prototype.animate = function(secs, steps) {
this.netVisualizer.animate(secs, steps);
this.button.attr("data-pressed", "true");
this.button.select(".play").style("display", "none");
this.button.select(".pause").style("display", "");
};
return WeightVisWrapper;
})();
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