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November 18, 2016 15:34
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Interval + Gradient Progress Bar
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| <html> | |
| <head> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.js"></script> | |
| <style> | |
| body{ | |
| padding: 12px; | |
| } | |
| text{ | |
| font: Garamond; | |
| font-size: 12px; | |
| } | |
| rect.inner-progress{ | |
| fill: white; | |
| stroke-width: 1px; | |
| stroke-opacity: 1; | |
| stroke: black; | |
| } | |
| rect.progress{ | |
| stroke: black; | |
| stroke-width: 1px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg> | |
| <g> | |
| <rect class="progress"></rect> | |
| <rect class="inner-progress"></rect> | |
| <text></text> | |
| </g> | |
| </svg> | |
| <script> | |
| var width = 400; | |
| var height = 36; | |
| var pct = .75; | |
| var svg = d3.select("svg") | |
| .attr("width",width+100); | |
| var gradient = svg | |
| .append("defs") | |
| .append("linearGradient") | |
| .attr("id","gradient") | |
| .attr("x1","0%") | |
| .attr("y1","50%") | |
| .attr("x2","100%") | |
| .attr("y2","50%"); | |
| gradient.append("stop") | |
| .attr("offset","0%") | |
| .attr("stop-color","#f00") | |
| .attr("stop-opacity",1); | |
| gradient.append("stop") | |
| .attr("offset","100%") | |
| .attr("stop-color","#080") | |
| .attr("stop-opacity",1); | |
| d3.select(".progress") | |
| .attr("height",height) | |
| .attr("width",width) | |
| .attr("fill","url(#gradient)"); | |
| d3.select(".inner-progress") | |
| .attr("height",height) | |
| .attr("x",pct*width) | |
| .attr("width",(1-pct)*width); | |
| d3.select("text") | |
| .attr("transform","translate(5,22)") | |
| .attr("x",pct*width) | |
| .text(cleanUp(pct)); | |
| function cleanUp(val){ | |
| return Math.round(val*100)+"%"; | |
| } | |
| var t = d3.transition() | |
| .duration(500); | |
| d3.interval(function(){ | |
| pct = Math.random(); | |
| d3.select(".inner-progress") | |
| .attr("height",height) | |
| .transition(t) | |
| .attr("x",pct*width) | |
| .attr("width",(1-pct)*width); | |
| d3.select("text") | |
| .text(cleanUp(pct)) | |
| .transition(t) | |
| .attr("x",pct*width); | |
| },2000); | |
| </script> | |
| </body> | |
| </html> |
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