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Selector Knob
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| <!DOCTYPE html> | |
| <head> | |
| <title>Selector</title> | |
| <script type="text/javascript" src="http://iop.io/js/vendor/d3.v3.min.js"></script> | |
| <script type="text/javascript" src="http://iop.io/js/vendor/polymer/PointerEvents/pointerevents.js"></script> | |
| <script type="text/javascript" src="http://iop.io/js/vendor/polymer/PointerGestures/pointergestures.js"></script> | |
| <script type="text/javascript" src="http://iop.io/js/iopctrl.js"></script> | |
| <style> | |
| body { | |
| font: 16px arial; | |
| background-color: #515151; | |
| } | |
| .unselectable { | |
| -moz-user-select: -moz-none; | |
| -khtml-user-select: none; | |
| -webkit-user-select: none; | |
| -ms-user-select: none; | |
| user-select: none; | |
| } | |
| .knob .cursor { | |
| fill: silver; | |
| } | |
| .knob .tick { | |
| fill: silver; | |
| font-size: 14px; | |
| font-weight: bold; | |
| } | |
| .knob .major line { | |
| stroke: silver; | |
| stroke-width: 2px; | |
| } | |
| .ind .lane, .ind .cursor { | |
| opacity: 0; | |
| } | |
| .ind .tick { | |
| fill: silver; | |
| font-size: 14px; | |
| font-weight: bold; | |
| } | |
| .ind .major line { | |
| stroke: silver; | |
| stroke-width: 1px; | |
| } | |
| .ind .domain { | |
| stroke: silver; | |
| stroke-width: 1px; | |
| } | |
| .ind .tick { | |
| fill: silver; | |
| font-size: 10px; | |
| font-weight: normal; | |
| } | |
| .ind .indicator { | |
| stroke: #EE3311; | |
| fill: #000; | |
| stroke-width: 1px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div> | |
| <span id="knob" touch-action="none"></span> | |
| </div> | |
| <script> | |
| var svg = d3.select("#knob") | |
| .append("svg:svg") | |
| .attr("width", 800) | |
| .attr("height", 600); | |
| function drawInd(g, r) { | |
| g.append("path").attr("d", "M0 " + -0.75 * r + " L 0 " + -1.05 * r + ""); | |
| } | |
| var ind = iopctrl.arcslider() | |
| .radius(250) | |
| .events(false) | |
| .indicator(drawInd); | |
| ind.axis().orient("out") | |
| .normalize(true) | |
| .ticks(6, d3.format(".0f")) | |
| .tickSize(10) | |
| .scale(d3.scale.log() | |
| .domain([1, 100]) | |
| .range([-Math.PI/8, Math.PI/8]) | |
| .clamp(true)); | |
| svg.append("g") | |
| .attr("transform", "translate(0, 0)") | |
| .attr("class", "ind") | |
| .call(ind); | |
| function drawKnob(g, r) { | |
| g.append("image") | |
| .attr("x", -r) | |
| .attr("y", -r) | |
| .attr("width", 2 * r) | |
| .attr("height", 2 * r) | |
| .attr("xlink:href", "http://iop.io/demo/iopctrl/knob.png") | |
| } | |
| var vol = iopctrl.arcslider() | |
| .radius(75) | |
| .indicator(drawKnob); | |
| vol.axis().orient("out") | |
| .ticks(10) | |
| .tickSubdivide(5) | |
| .tickSize(10, 6) | |
| .tickPadding(5) | |
| .scale(d3.scale.linear() | |
| .domain([0, 100]) | |
| .range([-3*Math.PI/4, 3*Math.PI/4])); | |
| svg.append("g") | |
| .attr("transform", "translate(175, 110)") | |
| .attr("class", "knob") | |
| .call(vol); | |
| var sel = iopctrl.arcslider() | |
| .radius(50) | |
| .indicator(drawKnob) | |
| .ease("cubic-in"); | |
| sel.axis().orient("out") | |
| .normalize(true) | |
| .tickSize(10) | |
| .scale(d3.scale.ordinal() | |
| .domain(["REVERSE", "STEREO", "L+R", "L", "R"]) | |
| .rangeBands([-Math.PI/4, 7*Math.PI/8])); | |
| svg.append("g") | |
| .attr("transform", "translate(200, 325)") | |
| .attr("class", "knob") | |
| .call(sel); | |
| vol.onValueChanged(function(v) { | |
| ind.value(v); | |
| }) | |
| </script> | |
| </body> |
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