Library of UI controls ; dial (was 'knob'), XY pad, bars control ...

• canvas based ; no png or jpg sprites.
• touch, mousewheel, keyboard events implemented.
• downward compatible ; overloads inputs.

Demo : http://anthonyterrien.com/kontrol/

• Dial (was 'Knob') : $('#id').dial()
• XY : $('#id').xy()
• Bars : $('#id').bars()

<input type="text" value="75" class="dial">
<script>
$(function() {
 $(".dial").dial();
}
</script>

Options are provided as attributes 'data-option':

<input type="text" class="dial" data-min="-50" data-max="50">

... or in the plugin method call :

$(".dial").dial({
 'min':-50
 ,'max':50
 })

The following options are supported on controls :

Behaviors :

• min : min value || default=0.
• max : max value || default=100.
• stopper : stop at 0 & 100 on keydown/mousewheel || default=true.
• readOnly : disable input and events.
• flatMouse : the dial responds to up-down mouse movement instead of radial mouse movement.
• noScroll : disable the mouse wheel for the dial.

UI :

• cursor : display mode "cursor" | default=gauge.
• thickness : gauge thickness.
• width : dial width.
• displayInput : default=true | false=hide input.
• displayPrevious : default=false | true=displays the previous value with transparency.
• fgColor : foreground color.
• bgColor : background color.

<script>
$(".dial").knob({
 'release' : function (v) { /*make something*/ }
 });
</script>

• 'release' : executed on release

  Parameters :

  • value : int, current value

• 'change' : executed at each change of the value

  Parameters :

  • value : int, current value

• 'draw' : when drawing the canvas

• 'cancel' : on [esc] keydown

• 'start' : executed on mousedown or touchStart

The scope (this) of each hook function is an instance of Kontrol component.

<input type="text" value="75" class="dial">
<script>
$(".dial").dial({
 'change':function(e){
 console.log(e);
 }
 });
</script>

<script>
$('.dial').trigger('configure',{"fgColor":"#FF0000", "cursor":true})
</script>

<script>
$('input')
 .val(27)
 .trigger('change');
</script>

$(function () {

/**
 *
 * Kontrol core
 *
 */
// Component logic
k.NewComponent = function () {
 // extends Kontrol Object
 k.o.call(this);
 /**
 *
 * your code
 *
 */
};
// jQuery plugin
$.fn.newcomponent = function (o) {
 return this.each(
 function () {
 var k = new k.NewComponent();
 k.o = o;
 k.$ = $(this);
 k.run();
 }
 ).parent();
};

});

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