This is my Script.js file:
var AnimatedDonutChart_path = Qva.Remote + "?public=only&name=Extensions/Objects/AnimatedDonutChart/";
function Extension_Init()
{
// Use QlikView's method of loading other files needed by an extension. These files should be added to your extension .zip file (.qar)
if (typeof jQuery == 'undefined') {
Qva.LoadScript(AnimatedDonutChart_path + 'jquery.js', Extension_Done);
}
else {
Extension_Done();
}
//If more than one script is needed you can nest the calls to get them loaded in the correct order
//Qva.LoadScript(AnimatedDonutChart_path + "file1.js", function() {
//Qva.LoadScript(AnimatedDonutChart_path + "file2.js", AnimatedDonutChart_Done);
//});
Qva.LoadScript(AnimatedDonutChart_path + "d3_v3.js", function() {
});
}
function Extension_Done(){
//Add AnimatedDonutChart extension
Qva.AddExtension('AnimatedDonutChart', function(){
//Load a CSS style sheet
Qva.LoadCSS(AnimatedDonutChart_path + "style.css");
var svg = d3.select("body")
.append("svg")
.append("g")
svg.append("g")
.attr("class", "slices");
svg.append("g")
.attr("class", "labels");
svg.append("g")
.attr("class", "lines");
var width = 960,
height = 450,
radius = Math.min(width, height) / 2;
var pie = d3.layout.pie()
.sort(null)
.value(function(d) {
return d.value;
});
var arc = d3.svg.arc()
.outerRadius(radius * 0.8)
.innerRadius(radius * 0.4);
var outerArc = d3.svg.arc()
.innerRadius(radius * 0.9)
.outerRadius(radius * 0.9);
svg.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
var key = function(d){ return d.data.label; };
var color = d3.scale.ordinal()
.domain(["Lorem ipsum", "dolor sit", "amet", "consectetur", "adipisicing", "elit", "sed", "do", "eiusmod", "tempor", "incididunt"])
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
function randomData (){
var labels = color.domain();
return labels.map(function(label){
return { label: label, value: Math.random() }
});
}
change(randomData());
d3.select(".randomize")
.on("click", function(){
change(randomData());
});
function change(data) {
/* ------- PIE SLICES -------*/
var slice = svg.select(".slices").selectAll("path.slice")
.data(pie(data), key);
slice.enter()
.insert("path")
.style("fill", function(d) { return color(d.data.label); })
.attr("class", "slice");
slice
.transition().duration(1000)
.attrTween("d", function(d) {
this._current = this._current || d;
var interpolate = d3.interpolate(this._current, d);
this._current = interpolate(0);
return function(t) {
return arc(interpolate(t));
};
})
slice.exit()
.remove();
/* ------- TEXT LABELS -------*/
var text = svg.select(".labels").selectAll("text")
.data(pie(data), key);
text.enter()
.append("text")
.attr("dy", ".35em")
.text(function(d) {
return d.data.label;
});
function midAngle(d){
return d.startAngle + (d.endAngle - d.startAngle)/2;
}
text.transition().duration(1000)
.attrTween("transform", function(d) {
this._current = this._current || d;
var interpolate = d3.interpolate(this._current, d);
this._current = interpolate(0);
return function(t) {
var d2 = interpolate(t);
var pos = outerArc.centroid(d2);
pos[0] = radius * (midAngle(d2) < Math.PI ? 1 : -1);
return "translate("+ pos +")";
};
})
.styleTween("text-anchor", function(d){
this._current = this._current || d;
var interpolate = d3.interpolate(this._current, d);
this._current = interpolate(0);
return function(t) {
var d2 = interpolate(t);
return midAngle(d2) < Math.PI ? "start":"end";
};
});
text.exit()
.remove();
/* ------- SLICE TO TEXT POLYLINES -------*/
var polyline = svg.select(".lines").selectAll("polyline")
.data(pie(data), key);
polyline.enter()
.append("polyline");
polyline.transition().duration(1000)
.attrTween("points", function(d){
this._current = this._current || d;
var interpolate = d3.interpolate(this._current, d);
this._current = interpolate(0);
return function(t) {
var d2 = interpolate(t);
var pos = outerArc.centroid(d2);
pos[0] = radius * 0.95 * (midAngle(d2) < Math.PI ? 1 : -1);
return [arc.centroid(d2), outerArc.centroid(d2), pos];
};
});
polyline.exit()
.remove();
};
});
}
//Initiate AnimatedDonutChart extension
Extension_Init();
