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jquery.knob.mod.min.js

jquery.knob.mod.min.js 11 KB
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  1. !function(t){"object"==typeof exports?module.exports=t(require("jquery")):"function"==typeof define&&define.amd?define(["jquery"],t):t(jQuery)}(function(t){"use strict";var e={},i=Math.max,n=Math.min;e.c={},e.c.d=t(document),e.c.t=function(t){return t.originalEvent.touches.length-1},e.o=function(){var i=this;this.o=null,this.$=null,this.i=null,this.g=null,this.v=null,this.cv=null,this.x=0,this.y=0,this.w=0,this.tx=0,this.ty=0,this.h=0,this.$c=null,this.c=null,this.t=0,this.isInit=!1,this.fgColor=null,this.pColor=null,this.dH=null,this.cH=null,this.eH=null,this.rH=null,this.scale=1,this.relative=!1,this.relativeWidth=!1,this.relativeHeight=!1,this.$div=null,this.run=function(){var e=function(t,e){var n;for(n in e)i.o[n]=e[n];i._carve().init(),i._configure()._listen()._draw()};if(!this.$.data("kontroled")){if(this.$.data("kontroled",!0),this.extend(),this.o=t.extend({min:void 0!==this.$.data("min")?this.$.data("min"):0,max:void 0!==this.$.data("max")?this.$.data("max"):100,stopper:!0,readOnly:this.$.data("readonly")||"readonly"===this.$.attr("readonly"),cursor:this.$.data("cursor")===!0&&30||this.$.data("cursor")||0,thickness:this.$.data("thickness")&&Math.max(Math.min(this.$.data("thickness"),1),.01)||.35,lineCap:this.$.data("linecap")||"butt",width:this.$.data("width")||200,height:this.$.data("height")||200,displayInput:null==this.$.data("displayinput")||this.$.data("displayinput"),displayPrevious:this.$.data("displayprevious"),touchPosition:this.$.data("touchPosition")||"",fgColor:this.$.data("fgcolor")||"#87CEEB",inputColor:this.$.data("inputcolor"),font:this.$.data("font")||"Arial",fontWeight:this.$.data("font-weight")||"bold",inline:!1,step:this.$.data("step")||1,rotation:this.$.data("rotation"),draw:null,change:null,cancel:null,release:null,format:function(t){return t},parse:function(t){return parseFloat(t)}},this.o),this.o.flip="anticlockwise"===this.o.rotation||"acw"===this.o.rotation,this.o.inputColor||(this.o.inputColor=this.o.fgColor),this.$.is("fieldset")?(this.v={},this.i=this.$.find("input"),this.i.each(function(e){var n=t(this);i.i[e]=n,i.v[e]=i.o.parse(n.val()),n.bind("change blur",function(){var t={};t[e]=n.val(),i.val(i._validate(t))})}),this.$.find("legend").remove()):(this.i=this.$,this.v=this.o.parse(this.$.val()),""===this.v&&(this.v=this.o.min),this.$.bind("change blur",function(){i.val(i._validate(i.o.parse(i.$.val())))})),!this.o.displayInput&&this.$.hide(),this.$c=t(document.createElement("canvas")).attr({width:this.o.width,height:this.o.height}),this.$div=t('<div style="'+(this.o.inline?"display:inline;":"")+"width:"+this.o.width+"px;height:"+this.o.height+'px;"></div>'),this.$.wrap(this.$div).before(this.$c),this.$div=this.$.parent(),"undefined"!=typeof G_vmlCanvasManager&&G_vmlCanvasManager.initElement(this.$c[0]),this.c=this.$c[0].getContext?this.$c[0].getContext("2d"):null,!this.c)throw{name:"CanvasNotSupportedException",message:"Canvas not supported. Please use excanvas on IE8.0.",toString:function(){return this.name+": "+this.message}};return this.scale=(window.devicePixelRatio||1)/(this.c.webkitBackingStorePixelRatio||this.c.mozBackingStorePixelRatio||this.c.msBackingStorePixelRatio||this.c.oBackingStorePixelRatio||this.c.backingStorePixelRatio||1),this.relativeWidth=this.o.width%1!==0&&this.o.width.indexOf("%"),this.relativeHeight=this.o.height%1!==0&&this.o.height.indexOf("%"),this.relative=this.relativeWidth||this.relativeHeight,this._carve(),this.v instanceof Object?(this.cv={},this.copy(this.v,this.cv)):this.cv=this.v,this.$.bind("configure",e).parent().bind("configure",e),this._listen()._configure()._xy().init(),this.isInit=!0,this.$.val(this.o.format(this.v)),this._draw(),this.$.data("knob",this),this}},this._carve=function(){if(this.relative){var t=this.relativeWidth?this.$div.parent().width()*parseInt(this.o.width)/100:this.$div.parent().width(),e=this.relativeHeight?this.$div.parent().height()*parseInt(this.o.height)/100:this.$div.parent().height();this.w=this.h=Math.min(t,e)}else this.w=this.o.width,this.h=this.o.height;return this.$div.css({width:this.w+"px",height:this.h+"px"}),this.$c.attr({width:this.w,height:this.h}),1!==this.scale&&(this.$c[0].width=this.$c[0].width*this.scale,this.$c[0].height=this.$c[0].height*this.scale,this.$c.width(this.w),this.$c.height(this.h)),this},this._draw=function(){var t=!0;i.g=i.c,i.clear(),i.dH&&(t=i.dH()),t!==!1&&i.draw()},this._touch=function(t){var n=function(t){var e=i.xy2val(t.originalEvent.touches[i.t].pageX,t.originalEvent.touches[i.t].pageY);e!=i.cv&&(i.cH&&i.cH(e)===!1||(i.change(i._validate(e)),i._draw()))};return this.t=e.c.t(t),n(t),e.c.d.bind("touchmove.k",n).bind("touchend.k",function(){e.c.d.unbind("touchmove.k touchend.k"),i.val(i.cv),i._moveInput(!1)}),this},this._mouse=function(t){var n=function(t){var e=i.xy2val(t.pageX,t.pageY);e!=i.cv&&(i.cH&&i.cH(e)===!1||(i.change(i._validate(e)),i._draw()))};return n(t),e.c.d.bind("mousemove.k",n).bind("keyup.k",function(t){if(27===t.keyCode){if(e.c.d.unbind("mouseup.k mousemove.k keyup.k"),i.eH&&i.eH()===!1)return;i.cancel()}}).bind("mouseup.k",function(t){e.c.d.unbind("mousemove.k mouseup.k keyup.k"),i.val(i.cv)}),this},this._xy=function(){var t=this.$c.offset();return this.x=t.left,this.y=t.top,this},this._moveInput=function(t){if(this.o.touchPosition)if("left"==this.o.touchPosition&&t){var e=4==this.i.val().length?.1:0;this.i.animate({"margin-top":"-"+(this.w/6>>0)+"px","margin-left":"-"+(this.w*(1.2-e)>>0)+"px"})}else if("right"==this.o.touchPosition&&t){var e=4==this.i.val().length?0:.1;this.i.animate({"margin-top":"-"+(this.w/6>>0)+"px","margin-left":"-"+(this.w*(.5-e)>>0)+"px"})}else this.i.animate({"margin-top":(this.w/3>>0)+"px","margin-left":"-"+(3*this.w/4+2>>0)+"px"})},this._listen=function(){function e(t){t=(t||navigator.userAgent).toLowerCase();var e=t.match(/android\s([0-9\.]*)/);return e?e[1]:!1}var n=e(),a=/iPad|iPhone|iPod/.test(navigator.userAgent)&&!window.MSStream,r=n&&parseFloat(n)<5||a;return this.o.readOnly?(this.$c.unbind("mousedown"),this.$c.unbind("touchstart"),this.$.attr("readonly","readonly")):(r||this.$c.bind("mousedown",function(t){t.preventDefault(),i._xy()._mouse(t)}),this.$c.bind("touchstart",function(t){t.preventDefault(),i._xy()._touch(t),i._moveInput(!0)}),this.listen()),this.relative&&t(window).resize(function(){i._carve().init(),i._draw()}),this},this._configure=function(){return this.o.draw&&(this.dH=this.o.draw),this.o.change&&(this.cH=this.o.change),this.o.cancel&&(this.eH=this.o.cancel),this.o.release&&(this.rH=this.o.release),this.o.displayPrevious?(this.pColor=this.h2rgba(this.o.fgColor,"0.4"),this.fgColor=this.h2rgba(this.o.fgColor,"0.6")):this.fgColor=this.o.fgColor,this},this._clear=function(){this.$c[0].width=this.$c[0].width},this._validate=function(t){var e=~~((0>t?-.5:.5)+t/this.o.step)*this.o.step;return Math.round(100*e)/100},this.listen=function(){},this.extend=function(){},this.init=function(){},this.change=function(t){},this.val=function(t){},this.xy2val=function(t,e){},this.draw=function(){},this.clear=function(){this._clear()},this.h2rgba=function(t,e){var i;return t=t.substring(1,7),i=[parseInt(t.substring(0,2),16),parseInt(t.substring(2,4),16),parseInt(t.substring(4,6),16)],"rgba("+i[0]+","+i[1]+","+i[2]+","+e+")"},this.copy=function(t,e){for(var i in t)e[i]=t[i]}},e.Dial=function(){e.o.call(this),this.startAngle=null,this.xy=null,this.radius=null,this.lineWidth=null,this.cursorExt=null,this.w2=null,this.PI2=2*Math.PI,this.extend=function(){this.o=t.extend({bgColor:this.$.data("bgcolor")||"#EEEEEE",angleOffset:this.$.data("angleoffset")||0,angleArc:this.$.data("anglearc")||360,inline:!0},this.o)},this.val=function(t,e){return null==t?this.v:(t=this.o.parse(t),void(e!==!1&&t!=this.v&&this.rH&&this.rH(t)===!1||(this.cv=this.o.stopper?i(n(t,this.o.max),this.o.min):t,this.v=this.cv,this.$.val(this.o.format(this.v)),this._draw())))},this.xy2val=function(t,e){var a,r;return this.tx=t,this.ty=e,a=Math.atan2(t-(this.x+this.w2),-(e-this.y-this.w2))-this.angleOffset,this.o.flip&&(a=this.angleArc-a-this.PI2),this.angleArc!=this.PI2&&0>a&&a>-.5?a=0:0>a&&(a+=this.PI2),r=a*(this.o.max-this.o.min)/this.angleArc+this.o.min,this.o.stopper&&(r=i(n(r,this.o.max),this.o.min)),r},this.listen=function(){var 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o=e.o.parse(e.$.val())+u[r]*f;e.o.stopper&&(o=i(n(o,e.o.max),e.o.min)),e.change(e._validate(o)),e._draw(),l=window.setTimeout(function(){f*=2},30)}}).bind("keyup",function(t){isNaN(s)?l&&(window.clearTimeout(l),l=null,f=1,e.val(e.$.val())):e.$.val()>e.o.max&&e.$.val(e.o.max)||e.$.val()<e.o.min&&e.$.val(e.o.min)})},this.init=function(){(this.v<this.o.min||this.v>this.o.max)&&(this.v=this.o.min),this.$.val(this.v),this.w2=this.w/2,this.cursorExt=this.o.cursor/100,this.xy=this.w2*this.scale,this.lineWidth=this.xy*this.o.thickness,this.lineCap=this.o.lineCap,this.radius=this.xy-this.lineWidth/2,this.o.angleOffset&&(this.o.angleOffset=isNaN(this.o.angleOffset)?0:this.o.angleOffset),this.o.angleArc&&(this.o.angleArc=isNaN(this.o.angleArc)?this.PI2:this.o.angleArc),this.angleOffset=this.o.angleOffset*Math.PI/180,this.angleArc=this.o.angleArc*Math.PI/180,this.startAngle=1.5*Math.PI+this.angleOffset,this.endAngle=1.5*Math.PI+this.angleOffset+this.angleArc;var t=i(String(Math.abs(this.o.max)).length,String(Math.abs(this.o.min)).length,2)+2;this.o.displayInput&&this.i.css({width:(this.w/2+4>>0)+"px",height:(this.w/3>>0)+"px",position:"absolute","vertical-align":"middle","margin-top":(this.w/3>>0)+"px","margin-left":"-"+(3*this.w/4+2>>0)+"px",border:0,background:"none",font:this.o.fontWeight+" "+(this.w/t>>0)+"px "+this.o.font,"text-align":"center",color:this.o.inputColor||this.o.fgColor,padding:"0px","-webkit-appearance":"none"})||this.i.css({width:"0px",visibility:"hidden"})},this.change=function(t){this.cv=t,this.$.val(this.o.format(t))},this.angle=function(t){return(t-this.o.min)*this.angleArc/(this.o.max-this.o.min)},this.arc=function(t){var e,i;return t=this.angle(t),this.o.flip?(e=this.endAngle+1e-5,i=e-t-1e-5):(e=this.startAngle-1e-5,i=e+t+1e-5),this.o.cursor&&(e=i-this.cursorExt)&&(i+=this.cursorExt),{s:e,e:i,d:this.o.flip&&!this.o.cursor}},this.draw=function(){var i,t=this.g,e=this.arc(this.cv),n=1;t.lineWidth=this.lineWidth,t.lineCap=this.lineCap,"none"!==this.o.bgColor&&(t.beginPath(),t.strokeStyle=this.o.bgColor,t.arc(this.xy,this.xy,this.radius,this.endAngle-1e-5,this.startAngle+1e-5,!0),t.stroke()),this.o.displayPrevious&&(i=this.arc(this.v),t.beginPath(),t.strokeStyle=this.pColor,t.arc(this.xy,this.xy,this.radius,i.s,i.e,i.d),t.stroke(),n=this.cv==this.v),t.beginPath(),t.strokeStyle=n?this.o.fgColor:this.fgColor,t.arc(this.xy,this.xy,this.radius,e.s,e.e,e.d),t.stroke()},this.cancel=function(){this.val(this.v)}},t.fn.dial=t.fn.knob=function(i){return this.each(function(){var n=new e.Dial;n.o=i,n.$=t(this),n.run()}).parent()}});
    2.