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Filtering Objects
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| <meta charset="utf-8"> | |
| <html> | |
| <style> | |
| h2 { | |
| text-align:center; | |
| font-weight: bold; | |
| } | |
| .card { | |
| display: inline-block; | |
| width: 80px; | |
| min-height: 100px; | |
| background-color: #fff; | |
| margin-bottom: 20px; | |
| margin-right: 20px; | |
| padding: 0px; | |
| border-radius: 3px; | |
| -webkit-box-shadow: 0 1px 0px rgba(0,0,0,0.05); | |
| box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24); | |
| transition: all 0.2s ease-in-out; | |
| } | |
| </style> | |
| <body> | |
| <script src="//d3js.org/d3.v4.min.js"></script> | |
| Filter: <select id='group' style="font-size: 18px;"> | |
| <option selected value='All'>All</option> + | |
| <option value='A'>A</option> | |
| <option value='B'>B</option> | |
| <option value='C'>C</option> | |
| </select> <br/><br /> | |
| <div id="content"> | |
| </div> | |
| <script> | |
| var data = [ | |
| { "name": "A", "score": "#74add1" }, | |
| { "name": "B", "score": "#fdae61" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "A", "score": "#74add1" }, | |
| { "name": "B", "score": "#fdae61" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "B", "score": "#fdae61" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "A", "score": "#74add1" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "A", "score": "#74add1" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "A", "score": "#74add1" }, | |
| { "name": "B", "score": "#fdae61" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "A", "score": "#74add1" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "B", "score": "#fdae61" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "A", "score": "#74add1" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "A", "score": "#74add1" }, | |
| { "name": "C", "score": "#fee090" }, | |
| { "name": "B", "score": "#fdae61" } | |
| ]; | |
| var data1; | |
| function update(data, filter) { | |
| var t = d3.transition() | |
| .duration(750) | |
| .ease(d3.easeLinear); | |
| if (filter == "All") | |
| { data1 = data; } | |
| else | |
| { data1 = data.filter(function (d) { return d.name == filter; }); } | |
| var cards = d3.select('#content') | |
| .selectAll('div') | |
| .data(data1); | |
| // EXIT old elements | |
| cards.exit() | |
| //.transition(t) | |
| .style('background-color', "gray") | |
| .style("fill-opacity", 1e-6) | |
| .remove(); | |
| // ENTER new elements | |
| cards.enter() | |
| .append('div') | |
| .attr("class", "card") | |
| .merge(cards) | |
| .html(function (d) { return "<h2>" + d.name + "</h2>"; }) | |
| .style('background-color', function (d) { return d.score; }); | |
| } | |
| update(data, "All"); | |
| d3.select("#group").on("change", change) | |
| function change() { | |
| update(data, this.options[this.selectedIndex].value); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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