The circular buttons use callback to update which of the two is selected.
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December 18, 2015 07:09
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Circular buttons
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| function update(selected) | |
| { | |
| // BUTTONS | |
| var button = svg.selectAll("circle").data(["A", "B"]); | |
| // enter | |
| button.enter().append("circle") | |
| .attr("cx", function(d, i) { return (i + 1) * 128; }) | |
| .attr("cy", 128) | |
| .attr("r", 60) | |
| .style("stroke", "black") | |
| .style("stroke-width", 3); | |
| // update | |
| button | |
| .style("fill", | |
| function(d) { | |
| if (d == selected) | |
| return "rgb(250,0,0)"; | |
| else | |
| return "rgb(128,128,128)"; | |
| }) | |
| // clicks | |
| button | |
| .on("mouseup", update); | |
| } | |
| update("A"); | |
| </script> | |
| </body> |
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