How do i give ellipsis in axis labels in d3 v4? - angularjs

Question

Here is my code snippet for implementing the ellipsis on x axis labels in d3 v3.
Can someone help me figure out the changes needed to my code in v4??
//function for adding '...' if length is more than 50 px
var wrap = function () {
var self = d3.select(this),
textLength = self.node().getComputedTextLength(),
text = self.text();
while (textLength > (50) && text.length > 0) {
text = text.slice(0, -1);
self.text(text + '...');
textLength = self.node().getComputedTextLength();
}
};
//calling the function
svg.select('.x.axis')
.call(xAxis)
.selectAll('text')
.style('text-anchor', 'end')
.attr('fill', '#8a9299')
.attr('transform', 'rotate(-60)')
.each(wrap);

Answer 1

You just need to save the group element containing x-axis into a variable and use as shown below.
var wrap = function() {
var self = d3.select(this),
textLength = self.node().getComputedTextLength(),
text = self.text();
while (textLength > (50) && text.length > 0) {
text = text.slice(0, -1);
self.text(text + '...');
textLength = self.node().getComputedTextLength();
}
};
//calling the function
xAxis.selectAll('text')
.style('text-anchor', 'end')
.attr('fill', '#8a9299')
.attr('transform', 'rotate(-60)')
.each(wrap);
// set the dimensions and margins of the graph
var margin = {
top: 20,
right: 20,
bottom: 30,
left: 40
},
width = 250 - margin.left - margin.right,
height = 250 - margin.top - margin.bottom;
// set the ranges
var x = d3.scaleBand()
.range([0, width])
.padding(0.1);
var y = d3.scaleLinear()
.range([height, 0]);
// append the svg object to the body of the page
// append a 'group' element to 'svg'
// moves the 'group' element to the top left margin
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform",
"translate(" + margin.left + "," + margin.top + ")");
var data = [{
"salesperson": "Bob Patrickson",
"sales": 33
},
{
"salesperson": "Robin Dearden",
"sales": 12
},
{
"salesperson": "Anne Hathaway",
"sales": 41
},
{
"salesperson": "Mark Wahlberg",
"sales": 16
}
];
// format the data
data.forEach(function(d) {
d.sales = +d.sales;
});
// Scale the range of the data in the domains
x.domain(data.map(function(d) {
return d.salesperson;
}));
y.domain([0, d3.max(data, function(d) {
return d.sales;
})]);
// append the rectangles for the bar chart
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) {
return x(d.salesperson);
})
.attr("width", x.bandwidth())
.attr("y", function(d) {
return y(d.sales);
})
.attr("height", function(d) {
return height - y(d.sales);
});
// add the x Axis
var xAxis = svg.append("g")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x));
// add the y Axis
svg.append("g")
.call(d3.axisLeft(y));
var wrap = function() {
var self = d3.select(this),
textLength = self.node().getComputedTextLength(),
text = self.text();
while (textLength > (50) && text.length > 0) {
text = text.slice(0, -1);
self.text(text + '...');
textLength = self.node().getComputedTextLength();
}
};
//calling the function
xAxis.selectAll('text')
.style('text-anchor', 'end')
.attr('fill', '#8a9299')
.attr('transform', 'rotate(-60)')
.each(wrap);
.bar {
fill: steelblue;
}
<script src="//d3js.org/d3.v4.min.js"></script>