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58 lines
1.7 KiB
58 lines
1.7 KiB
6 months ago
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Non Linear Slider - jQuery EasyUI Demo</title>
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<link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
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<link rel="stylesheet" type="text/css" href="../../themes/icon.css">
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<link rel="stylesheet" type="text/css" href="../demo.css">
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<script type="text/javascript" src="../../jquery.min.js"></script>
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<script type="text/javascript" src="../../jquery.easyui.min.js"></script>
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</head>
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<body>
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<h2>Non Linear Slider</h2>
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<p>This example shows how to create a slider with a non-linear scale.</p>
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<div style="margin:20px 0 50px 0;"></div>
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<div style="padding:2px">
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<input class="easyui-slider" style="width:400px" data-options="
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showTip:true,
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rule: [0,'PI/4','PI/2'],
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min:0,
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max:300,
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tipFormatter:function(value){
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return (value/300.0).toFixed(4);
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},
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converter:{
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toPosition:function(value,size){
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var opts = $(this).slider('options');
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return Math.asin(value/opts.max)/(Math.PI)*2*size;
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},
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toValue:function(pos,size){
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var opts = $(this).slider('options');
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return Math.sin(pos/size*Math.PI/2)*opts.max;
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}
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},
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onChange:function(v){
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var opts = $(this).slider('options');
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var pos = opts.converter.toPosition.call(this, v, opts.width);
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var p = $('<div class=point></div>').appendTo('#cc');
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p.css('top', v);
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p.css(opts.reversed?'right':'left', pos);
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}
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">
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</div>
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<div style="margin-bottom:30px"></div>
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<div id="cc" class="easyui-panel" style="position:relative;width:404px;height:304px;">
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</div>
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<style scoped="scoped">
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.point{
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position:absolute;
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width:2px;
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height:2px;
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font-size:0;
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background:red;
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}
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</style>
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</body>
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</html>
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