<!DOCTYPE html>
<html>
<head>
<title>jQuery Knob demo</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script>
<script src="js/jquery.knob.js"></script>
<script>
$(function($) {
$(".knob").knob({
change : function (value) {
//console.log("change : " + value);
},
release : function (value) {
//console.log(this.$.attr('value'));
console.log("release : " + value);
},
cancel : function () {
console.log("cancel : ", this);
},
draw : function () {
// "tron" case
if(this.$.data('skin') == 'tron') {
var a = this.angle(this.cv) // Angle
, sa = this.startAngle // Previous start angle
, sat = this.startAngle // Start angle
, ea // Previous end angle
, eat = sat + a // End angle
, r = 1;
this.g.lineWidth = this.lineWidth;
this.o.cursor
&& (sat = eat - 0.3)
&& (eat = eat + 0.3);
if (this.o.displayPrevious) {
ea = this.startAngle + this.angle(this.v);
this.o.cursor
&& (sa = ea - 0.3)
&& (ea = ea + 0.3);
this.g.beginPath();
this.g.strokeStyle = this.pColor;
this.g.arc(this.xy, this.xy, this.radius - this.lineWidth, sa, ea, false);
this.g.stroke();
}
this.g.beginPath();
this.g.strokeStyle = r ? this.o.fgColor : this.fgColor ;
this.g.arc(this.xy, this.xy, this.radius - this.lineWidth, sat, eat, false);
this.g.stroke();
this.g.lineWidth = 2;
this.g.beginPath();
this.g.strokeStyle = this.o.fgColor;
this.g.arc( this.xy, this.xy, this.radius - this.lineWidth + 1 + this.lineWidth * 2 / 3, 0, 2 * Math.PI, false);
this.g.stroke();
return false;
}
}
});
// Example of infinite knob, iPod click wheel
var v, up=0,down=0,i=0
,$idir = $("div.idir")
,$ival = $("div.ival")
,incr = function() { i++; $idir.show().html("+").fadeOut(); $ival.html(i); }
,decr = function() { i--; $idir.show().html("-").fadeOut(); $ival.html(i); };
$("input.infinite").knob(
{
min : 0
, max : 20
, stopper : false
, change : function () {
if(v > this.cv){
if(up){
decr();
up=0;
}else{up=1;down=0;}
} else {
if(v < this.cv){
if(down){
incr();
down=0;
}else{down=1;up=0;}
}
}
v = this.cv;
}
});
});
</script>
<style>
body{
padding: 0;
margin: 0px 50px;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
font-weight: 300;
text-rendering: optimizelegibility;
}
p{font-size: 30px; line-height: 30px}
div.demo{text-align: center; width: 280px; float: left}
div.demo > p{font-size: 20px}
</style>
</head>
<body>
<div style="width:100%;font-size:40px;letter-spacing:-8px;line-height:40px;">
<h1>jQuery Knob</h1>
</div>
<div>
<p>Nice, downward compatible, touchable, jQuery dial. <a href="http://flattr.com/thing/674900/jQuery-Knob" target="_blank"><img src="http://api.flattr.com/button/flattr-badge-large.png" alt="Flattr this" title="Flattr this" border="0" /></a></p>
<p style="font-size: 20px">* implemented interactions : mouse click and wheel mouse, keyboard (on focus) and fingers (touch events)</p>
</div>
<div class="demo">
<p>× Disable display input</p>
<pre>
data-width="100"
data-displayInput=false
</pre>
<input class="knob" data-width="100" data-displayInput=false value="35">
</div>
<div class="demo">
<p>× 'cursor' mode</p>
<pre>
data-width="150"
data-cursor=true
data-thickness=.3
data-fgColor="#222222"
</pre>
<input class="knob" data-width="150" data-cursor=true data-fgColor="#222222" data-thickness=.3 value="29">
</div>
<div class="demo" >
<p>× Display previous value</p>
<pre>
data-displayPrevious=true
data-min="-100"
</pre>
<input class="knob" data-width="200" data-min="-100" data-displayPrevious=true value="44">
</div>
<div style="clear:both"></div>
<div class="demo">
<p>× Angle offset</p>
<pre>
data-angleOffset=90
data-linecap=round
</pre>
<input class="knob" data-angleOffset=90 data-linecap=round value="35">
</div>
<div class="demo">
<p>× Angle offset and arc</p>
<pre>
data-fgColor="#66CC66"
data-angleOffset=-125
data-angleArc=250
</pre>
<input class="knob" data-angleOffset=-125 data-angleArc=250 data-fgColor="#66EE66" value="35">
</div>
<div class="demo" >
<p>× 5-digit values, step 1000</p>
<pre>
data-step="1000"
data-min="-15000"
data-max="15000"
data-displayPrevious=true
</pre>
<input class="knob" data-min="-15000" data-displayPrevious=true data-max="15000" data-step="1000" value="-11000">
</div>
<div style="clear:both"></div>
<div style="text-align: center">
<p style="font-size: 20px">× Overloaded 'draw' method</p>
</div>
<div style="background-color: #222; height: 340px">
<div class="demo" style="background-color:#222; color:#FFF;">
<pre>
data-width="75"
data-fgColor="#ffec03"
data-skin="tron"
data-thickness=".2"
data-displayPrevious=true
</pre>
<input class="knob" data-width="75" data-displayPrevious=true data-fgColor="#ffec03" data-skin="tron" data-cursor=true value="75" data-thickness=".2">
</div>
<div class="demo" style="background-color:#222; color:#FFF;">
<pre>
data-width="150"
data-fgColor="#ffec03"
data-skin="tron"
data-thickness=".2"
data-displayPrevious=true
</pre>
<input class="knob" data-width="150" data-displayPrevious=true data-fgColor="#ffec03" data-skin="tron" data-thickness=".2" value="75">
</div>
<div class="demo" style="background-color:#222; color:#FFF;">
<pre>
data-width="150"
data-fgColor="#C0ffff"
data-skin="tron"
data-thickness=".1"
data-angleOffset="180"
</pre>
<input class="knob" data-width="150" data-angleOffset="180" data-fgColor="#C0ffff" data-skin="tron" data-thickness=".1" value="35">
</div>
</div>
<div style="clear:both"></div>
<div class="demo" style="width:100%">
<p>× Responsive</p>
<pre>
data-width="80%"
</pre>
<div style="width: 30%; border: 3px dashed; margin-bottom: 20px">
<i>
Current div width is 30% of window width.<br>
Knob width is 80% of current div.<br>
Knob width is 80% of 30% of window width.<br>
Test resizing window.
</i>
<br>
<br>
<input class="knob" data-width="80%" value="35">
</div>
</div>
<div style="clear:both"></div>
<script>
function clock() {
var $s = $(".second"),
$m = $(".minute"),
$h = $(".hour");
d = new Date(),
s = d.getSeconds(),
m = d.getMinutes(),
h = d.getHours();
$s.val(s).trigger("change");
$m.val(m).trigger("change");
$h.val(h).trigger("change");
setTimeout("clock()", 1000);
}
clock();
</script>
<div class="demo" style="color:#EEE;background:#222;height:420px;width:100%">
<p>× Superpose (clock)</p>
<div style="position:relative;width:350px;margin:auto">
<div style="position:absolute;left:10px;top:10px">
<input class="knob hour" data-min="0" data-max="24" data-bgColor="#333" data-fgColor="#ffec03" data-displayInput=false data-width="300" data-height="300" data-thickness=".3">
</div>
<div style="position:absolute;left:60px;top:60px">
<input class="knob minute" data-min="0" data-max="60" data-bgColor="#333" data-displayInput=false data-width="200" data-height="200" data-thickness=".45">
</div>
<div style="position:absolute;left:110px;top:110px">
<input class="knob second" data-min="0" data-max="60" data-bgColor="#333" data-fgColor="rgb(127, 255, 0)" data-displayInput=false data-width="100" data-height="100" data-thickness=".3">
</div>
</div>
</div>
<div style="clear:both"></div>
<div class="demo">
<p>× Readonly</p>
<pre>
readonly (or data-readOnly=true)
data-thickness=".4"
data-fgColor="chartreuse"
</pre>
<input class="knob" data-fgColor="chartreuse" data-thickness=".4" readonly value="22">
</div>
<div class="demo">
<p>× Dynamic</p>
<pre>
data-width="200"
</pre>
<input type="button" onclick="$('.knob-dyn').knob();" value="knobify!">
<input type="text" class="knob-dyn" data-width="200" data-cursor=true value="56">
<pre>
data-width="50"
data-cursor=true
</pre>
<input type="button" onclick="$('.knob-dyn2').knob();" value="knobify!">
<input type="text" class="knob-dyn2" data-width="50" data-thickness=".4" value="56">
</div>
<div class="demo" style="height:440px;width:300px">
<p>× Infinite || iPod click wheel</p>
<div style="float:left;width:180px;height:320px;padding:20px;background-color:#EEEEEE;text-align:center;">
<pre>
data-width="150"
data-cursor=true
data-thickness=".5"
data-fgColor="#AAAAAA"
data-bgColor="#FFFFFF"
data-displayInput="false"
+ some code
</pre>
<input class="infinite" data-width="150" data-thickness=".5" data-fgColor="#AAAAAA" data-bgColor="#FFFFFF" data-displayInput="false" data-cursor=true>
</div>
<div style="float:left;margin-top:200px;">
<div class="ival" style="width:80px;text-align:center;font-size:50px;color:#AAA">0</div>
<div class="idir" style="width:80px;text-align:center;font-size:50px;"></div>
</div>
</div>
<div style="clear:both"></div>
<div id="big" class="demo" style="height:800px;width:100%">
<p>× Big !</p>
<pre>
data-width="700"
</pre>
<input class="knob" data-min="-100" data-max="100" data-width="700" data-height="700" data-thickness=".3" data-cursor=true>
</div>
<div style="clear:both"></div>
<div style="padding:30px; margin-top:30px;">
<p style="font-size:20px;">jQuery Knob is © 2012 Anthony Terrien and dual licensed under the MIT or GPL licenses.</p>
</div>
</body>
</html>