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jQuery Knob draw with animation
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| /** | |
| * Created by leolovenet@gmail.com on 7/2/15. | |
| */ | |
| (function(){ | |
| "use strict"; | |
| var Circles = function(e,op) { | |
| this.options = $.extend({}, Circles.DEFAULTS, op); | |
| this.$e = $(e); | |
| this.$e.val(this.options.to); | |
| this.$e.knob(this.options); | |
| this.inited = false; | |
| if (this.options.animation) { | |
| this.animationDraw(); | |
| } | |
| }; | |
| Circles.DEFAULTS = { | |
| readOnly:true, | |
| fgColor:'#6DB311', | |
| width:"85%", | |
| from:0, | |
| to:100, | |
| animation:true | |
| }; | |
| Circles.prototype.animationDraw = function(){ | |
| var _this = this,v; | |
| if(!_this.inited){ | |
| _this.$e.val(_this.options.from); | |
| v = _this.options.from; | |
| _this.inited = true; | |
| }else{ | |
| v = _this.$e.val(); | |
| } | |
| if(v>=_this.options.to){ | |
| _this.inited = false; | |
| return; | |
| } | |
| v=parseInt(v)+1; | |
| _this.$e.val(v).trigger('change'); | |
| setTimeout($.proxy(this.animationDraw,this),10); | |
| }; | |
| $.fn.circle = function(option) { | |
| return this.each(function(){ | |
| var $this = $(this); | |
| var data = $this.data('circle'); | |
| var options = typeof option == 'object' && option; | |
| if (!data) { | |
| $this.data('circle', (data = new Circles(this, options || {}))); | |
| } | |
| if ( option == 'redraw') { | |
| data.animationDraw(); | |
| } | |
| }); | |
| } | |
| })(); |
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| <!DOCTYPE html> | |
| <html> | |
| <head lang="en"> | |
| <meta charset="UTF-8"> | |
| <title>test</title> | |
| <script type="text/javascript" src="./js/jquery.js"></script> | |
| <script type="text/javascript" src="./js/jquery.knob.js"></script> | |
| <script type="text/javascript" src="./js/jquery.circle.js"></script> | |
| </head> | |
| <body> | |
| <input type="text" value="0" class="dial" > | |
| <script> | |
| $(function() { | |
| $(".dial").circle({to:75}); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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