diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..c094bf5 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +nbproject/ \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100755 index 0000000..f5db321 --- /dev/null +++ b/LICENSE @@ -0,0 +1,20 @@ +The MIT License (MIT) + +Copyright (c) 2013 Anthony Terrien + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/README.md b/README.md old mode 100644 new mode 100755 index b79a9b5..d20c58a --- a/README.md +++ b/README.md @@ -2,72 +2,80 @@ jQuery Knob ============= - canvas based ; no png or jpg sprites. -- touch, mousewheel, keyboard events implemented. +- touch, mouse and mousewheel, keyboard events implemented. - downward compatible ; overloads an input element. Example ------- - +```html + - + }); + +``` Options ------- Options are provided as attributes 'data-option': - +```html + +``` ... or in the "knob()" call : - $(".dial").knob({ - 'min':-50 - ,'max':50 - }) +```javascript +$(".dial").knob({ + 'min':-50, + 'max':50 +}); +``` The following options are supported : 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. -* angleOffset: change the 0 position of the knob (in degree), || default=0. +* min : min value | default=0. +* max : max value | default=100. +* step : step size | default=1. +* angleOffset : starting angle in degrees | default=0. +* angleArc : arc size in degrees | default=360. +* stopper : stop at min & max on keydown/mousewheel | default=true. +* readOnly : disable input and events | default=false. +* rotation : direction of progression | default=clockwise. UI : -* cursor : display mode "cursor" | default=gauge. +* cursor : display mode "cursor", cursor size could be changed passing a numeric value to the option, default width is used when passing boolean value "true" | default=gauge. * thickness : gauge thickness. +* lineCap : gauge stroke endings. | default=butt, round=rounded line endings * width : dial width. * displayInput : default=true | false=hide input. * displayPrevious : default=false | true=displays the previous value with transparency. * fgColor : foreground color. +* inputColor : input value (number) color. +* font : font family. +* fontWeight : font weight. * bgColor : background color. -* ticks : number of ticks | 0=disable. -* tickColor. -* tickLength. -* tickWidth. -* tickColorizeValues : colorize ticks. -* skin : default | "tron". Hooks ------- - + 'release' : function (v) { /*make something*/ } + }); + +``` * 'release' : executed on release Parameters : + value : int, current value - + input : jQuery element, input element * 'change' : executed at each change of the value @@ -76,57 +84,64 @@ Hooks * 'draw' : when drawing the canvas - Parameters : - + angle : computed angle - + value : current value - + opt : plugin options - + context : Canvas context 2d + Context : + - this.g : canvas context 2D (see Canvas documentation) + - this.$ : jQuery wrapped element + - this.o : options + - this.i : input + - ... console.log(this); + +* 'cancel' : triggered on [esc] keydown + +* 'format' : allows to format output (add unit %, ms ...) + +The scope (this) of each hook function is the current Knob instance (refer to the demo code). Example ------- - - - +```html + + +``` Dynamically configure ------- - - -Supported browser +```html + +``` + +Set the value ------- -Tested on Chrome, Safari, Firefox, IE 9.0. +```html + +``` -Revision 1.1.2 -------- -- removed padding around the wheel in default skin / default thickness = 0.35. -- 'configure' event. -- added 'displayPrevious' option. -- change color cgColor / 'displayPrevious' must be true. -- escape keycode supported while changing = restore the current value. -- tab keycode supported. -- added 'stopper'. -- bugfix init when 'value' attribute is not defined. -- JSLint qa. -- infinite mode demo. - -Revision 1.1.1 +Supported browser ------- -- keyboard/mousewheel control refactoring / acceleration. -- bugfix no keyboard or mousewheel when readonly. -- bugfix min/max can be exceeded. -- hooks / keyboard events. +Tested on Chrome, Safari, Firefox, IE>=8.0 (IE8.0 with excanvas). + +![secretplan](https://raw.github.com/aterrien/jQuery-Knob/master/secretplan.jpg) diff --git a/bower.json b/bower.json new file mode 100755 index 0000000..7969769 --- /dev/null +++ b/bower.json @@ -0,0 +1,13 @@ +{ + "name": "aterrien/jQuery-Knob", + "version": "1.2.11", + "main": "js/jquery.knob.js", + "description": "Nice, downward compatible, touchable, jQuery dial.", + "license": "MIT", + "ignore": [], + "dependencies": { + "jquery": ">=1.7.0" + }, + "devDependencies": {} +} + diff --git a/dist/jquery.knob.min.js b/dist/jquery.knob.min.js new file mode 100755 index 0000000..72d6ed2 --- /dev/null +++ b/dist/jquery.knob.min.js @@ -0,0 +1 @@ +(function(e){if(typeof define==="function"&&define.amd){define(["jquery"],e)}else{e(jQuery)}})(function(e){"use strict";var t={},n=Math.max,r=Math.min;t.c={};t.c.d=e(document);t.c.t=function(e){return e.originalEvent.touches.length-1};t.o=function(){var n=this;this.o=null;this.$=null;this.i=null;this.g=null;this.v=null;this.cv=null;this.x=0;this.y=0;this.w=0;this.h=0;this.$c=null;this.c=null;this.t=0;this.isInit=false;this.fgColor=null;this.pColor=null;this.dH=null;this.cH=null;this.eH=null;this.rH=null;this.scale=1;this.relative=false;this.relativeWidth=false;this.relativeHeight=false;this.$div=null;this.run=function(){var t=function(e,t){var r;for(r in t){n.o[r]=t[r]}n._carve().init();n._configure()._draw()};if(this.$.data("kontroled"))return;this.$.data("kontroled",true);this.extend();this.o=e.extend({min:this.$.data("min")!==undefined?this.$.data("min"):0,max:this.$.data("max")!==undefined?this.$.data("max"):100,stopper:true,readOnly:this.$.data("readonly")||this.$.attr("readonly")==="readonly",cursor:this.$.data("cursor")===true&&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:this.$.data("displayinput")==null||this.$.data("displayinput"),displayPrevious:this.$.data("displayprevious"),fgColor:this.$.data("fgcolor")||"#87CEEB",inputColor:this.$.data("inputcolor"),font:this.$.data("font")||"Arial",fontWeight:this.$.data("font-weight")||"bold",inline:false,step:this.$.data("step")||1,rotation:this.$.data("rotation"),draw:null,change:null,cancel:null,release:null,format:function(e){return e},parse:function(e){return parseFloat(e)}},this.o);this.o.flip=this.o.rotation==="anticlockwise"||this.o.rotation==="acw";if(!this.o.inputColor){this.o.inputColor=this.o.fgColor}if(this.$.is("fieldset")){this.v={};this.i=this.$.find("input");this.i.each(function(t){var r=e(this);n.i[t]=r;n.v[t]=n.o.parse(r.val());r.bind("change blur",function(){var e={};e[t]=r.val();n.val(n._validate(e))})});this.$.find("legend").remove()}else{this.i=this.$;this.v=this.o.parse(this.$.val());this.v===""&&(this.v=this.o.min);this.$.bind("change blur",function(){n.val(n._validate(n.o.parse(n.$.val())))})}!this.o.displayInput&&this.$.hide();this.$c=e(document.createElement("canvas")).attr({width:this.o.width,height:this.o.height});this.$div=e('
');this.$.wrap(this.$div).before(this.$c);this.$div=this.$.parent();if(typeof G_vmlCanvasManager!=="undefined"){G_vmlCanvasManager.initElement(this.$c[0])}this.c=this.$c[0].getContext?this.$c[0].getContext("2d"):null;if(!this.c){throw{name:"CanvasNotSupportedException",message:"Canvas not supported. Please use excanvas on IE8.0.",toString:function(){return this.name+": "+this.message}}}this.scale=(window.devicePixelRatio||1)/(this.c.webkitBackingStorePixelRatio||this.c.mozBackingStorePixelRatio||this.c.msBackingStorePixelRatio||this.c.oBackingStorePixelRatio||this.c.backingStorePixelRatio||1);this.relativeWidth=this.o.width%1!==0&&this.o.width.indexOf("%");this.relativeHeight=this.o.height%1!==0&&this.o.height.indexOf("%");this.relative=this.relativeWidth||this.relativeHeight;this._carve();if(this.v instanceof Object){this.cv={};this.copy(this.v,this.cv)}else{this.cv=this.v}this.$.bind("configure",t).parent().bind("configure",t);this._listen()._configure()._xy().init();this.isInit=true;this.$.val(this.o.format(this.v));this._draw();return this};this._carve=function(){if(this.relative){var e=this.relativeWidth?this.$div.parent().width()*parseInt(this.o.width)/100:this.$div.parent().width(),t=this.relativeHeight?this.$div.parent().height()*parseInt(this.o.height)/100:this.$div.parent().height();this.w=this.h=Math.min(e,t)}else{this.w=this.o.width;this.h=this.o.height}this.$div.css({width:this.w+"px",height:this.h+"px"});this.$c.attr({width:this.w,height:this.h});if(this.scale!==1){this.$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.$c.height(this.h)}return this};this._draw=function(){var e=true;n.g=n.c;n.clear();n.dH&&(e=n.dH());e!==false&&n.draw()};this._touch=function(e){var r=function(e){var t=n.xy2val(e.originalEvent.touches[n.t].pageX,e.originalEvent.touches[n.t].pageY);if(t==n.cv)return;if(n.cH&&n.cH(t)===false)return;n.change(n._validate(t));n._draw()};this.t=t.c.t(e);r(e);t.c.d.bind("touchmove.k",r).bind("touchend.k",function(){t.c.d.unbind("touchmove.k touchend.k");n.val(n.cv)});return this};this._mouse=function(e){var r=function(e){var t=n.xy2val(e.pageX,e.pageY);if(t==n.cv)return;if(n.cH&&n.cH(t)===false)return;n.change(n._validate(t));n._draw()};r(e);t.c.d.bind("mousemove.k",r).bind("keyup.k",function(e){if(e.keyCode===27){t.c.d.unbind("mouseup.k mousemove.k keyup.k");if(n.eH&&n.eH()===false)return;n.cancel()}}).bind("mouseup.k",function(e){t.c.d.unbind("mousemove.k mouseup.k keyup.k");n.val(n.cv)});return this};this._xy=function(){var e=this.$c.offset();this.x=e.left;this.y=e.top;return this};this._listen=function(){if(!this.o.readOnly){this.$c.bind("mousedown",function(e){e.preventDefault();n._xy()._mouse(e)}).bind("touchstart",function(e){e.preventDefault();n._xy()._touch(e)});this.listen()}else{this.$.attr("readonly","readonly")}if(this.relative){e(window).resize(function(){n._carve().init();n._draw()})}return this};this._configure=function(){if(this.o.draw)this.dH=this.o.draw;if(this.o.change)this.cH=this.o.change;if(this.o.cancel)this.eH=this.o.cancel;if(this.o.release)this.rH=this.o.release;if(this.o.displayPrevious){this.pColor=this.h2rgba(this.o.fgColor,"0.4");this.fgColor=this.h2rgba(this.o.fgColor,"0.6")}else{this.fgColor=this.o.fgColor}return this};this._clear=function(){this.$c[0].width=this.$c[0].width};this._validate=function(e){var t=~~((e<0?-.5:.5)+e/this.o.step)*this.o.step;return Math.round(t*100)/100};this.listen=function(){};this.extend=function(){};this.init=function(){};this.change=function(e){};this.val=function(e){};this.xy2val=function(e,t){};this.draw=function(){};this.clear=function(){this._clear()};this.h2rgba=function(e,t){var n;e=e.substring(1,7);n=[parseInt(e.substring(0,2),16),parseInt(e.substring(2,4),16),parseInt(e.substring(4,6),16)];return"rgba("+n[0]+","+n[1]+","+n[2]+","+t+")"};this.copy=function(e,t){for(var n in e){t[n]=e[n]}}};t.Dial=function(){t.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=e.extend({bgColor:this.$.data("bgcolor")||"#EEEEEE",angleOffset:this.$.data("angleoffset")||0,angleArc:this.$.data("anglearc")||360,inline:true},this.o)};this.val=function(e,t){if(null!=e){e=this.o.parse(e);if(t!==false&&e!=this.v&&this.rH&&this.rH(e)===false){return}this.cv=this.o.stopper?n(r(e,this.o.max),this.o.min):e;this.v=this.cv;this.$.val(this.o.format(this.v));this._draw()}else{return this.v}};this.xy2val=function(e,t){var i,s;i=Math.atan2(e-(this.x+this.w2),-(t-this.y-this.w2))-this.angleOffset;if(this.o.flip){i=this.angleArc-i-this.PI2}if(this.angleArc!=this.PI2&&i<0&&i>-.5){i=0}else if(i<0){i+=this.PI2}s=i*(this.o.max-this.o.min)/this.angleArc+this.o.min;this.o.stopper&&(s=n(r(s,this.o.max),this.o.min));return s};this.listen=function(){var t=this,i,s,o=function(e){e.preventDefault();var o=e.originalEvent,u=o.detail||o.wheelDeltaX,a=o.detail||o.wheelDeltaY,f=t._validate(t.o.parse(t.$.val()))+(u>0||a>0?t.o.step:u<0||a<0?-t.o.step:0);f=n(r(f,t.o.max),t.o.min);t.val(f,false);if(t.rH){clearTimeout(i);i=setTimeout(function(){t.rH(f);i=null},100);if(!s){s=setTimeout(function(){if(i)t.rH(f);s=null},200)}}},u,a,f=1,l={37:-t.o.step,38:t.o.step,39:t.o.step,40:-t.o.step};this.$.bind("keydown",function(i){var s=i.keyCode;if(s>=96&&s<=105){s=i.keyCode=s-48}u=parseInt(String.fromCharCode(s));if(isNaN(u)){s!==13&&s!==8&&s!==9&&s!==189&&(s!==190||t.$.val().match(/\./))&&i.preventDefault();if(e.inArray(s,[37,38,39,40])>-1){i.preventDefault();var o=t.o.parse(t.$.val())+l[s]*f;t.o.stopper&&(o=n(r(o,t.o.max),t.o.min));t.change(t._validate(o));t._draw();a=window.setTimeout(function(){f*=2},30)}}}).bind("keyup",function(e){if(isNaN(u)){if(a){window.clearTimeout(a);a=null;f=1;t.val(t.$.val())}}else{t.$.val()>t.o.max&&t.$.val(t.o.max)||t.$.val()this.o.max){this.v=this.o.min}this.$.val(this.v);this.w2=this.w/2;this.cursorExt=this.o.cursor/100;this.xy=this.w2*this.scale;this.lineWidth=this.xy*this.o.thickness;this.lineCap=this.o.lineCap;this.radius=this.xy-this.lineWidth/2;this.o.angleOffset&&(this.o.angleOffset=isNaN(this.o.angleOffset)?0:this.o.angleOffset);this.o.angleArc&&(this.o.angleArc=isNaN(this.o.angleArc)?this.PI2:this.o.angleArc);this.angleOffset=this.o.angleOffset*Math.PI/180;this.angleArc=this.o.angleArc*Math.PI/180;this.startAngle=1.5*Math.PI+this.angleOffset;this.endAngle=1.5*Math.PI+this.angleOffset+this.angleArc;var e=n(String(Math.abs(this.o.max)).length,String(Math.abs(this.o.min)).length,2)+2;this.o.displayInput&&this.i.css({width:(this.w/2+4>>0)+"px",height:(this.w/3>>0)+"px",position:"absolute","vertical-align":"middle","margin-top":(this.w/3>>0)+"px","margin-left":"-"+(this.w*3/4+2>>0)+"px",border:0,background:"none",font:this.o.fontWeight+" "+(this.w/e>>0)+"px "+this.o.font,"text-align":"center",color:this.o.inputColor||this.o.fgColor,padding:"0px","-webkit-appearance":"none"})||this.i.css({width:"0px",visibility:"hidden"})};this.change=function(e){this.cv=e;this.$.val(this.o.format(e))};this.angle=function(e){return(e-this.o.min)*this.angleArc/(this.o.max-this.o.min)};this.arc=function(e){var t,n;e=this.angle(e);if(this.o.flip){t=this.endAngle+1e-5;n=t-e-1e-5}else{t=this.startAngle-1e-5;n=t+e+1e-5}this.o.cursor&&(t=n-this.cursorExt)&&(n=n+this.cursorExt);return{s:t,e:n,d:this.o.flip&&!this.o.cursor}};this.draw=function(){var e=this.g,t=this.arc(this.cv),n,r=1;e.lineWidth=this.lineWidth;e.lineCap=this.lineCap;if(this.o.bgColor!=="none"){e.beginPath();e.strokeStyle=this.o.bgColor;e.arc(this.xy,this.xy,this.radius,this.endAngle-1e-5,this.startAngle+1e-5,true);e.stroke()}if(this.o.displayPrevious){n=this.arc(this.v);e.beginPath();e.strokeStyle=this.pColor;e.arc(this.xy,this.xy,this.radius,n.s,n.e,n.d);e.stroke();r=this.cv==this.v}e.beginPath();e.strokeStyle=r?this.o.fgColor:this.fgColor;e.arc(this.xy,this.xy,this.radius,t.s,t.e,t.d);e.stroke()};this.cancel=function(){this.val(this.v)}};e.fn.dial=e.fn.knob=function(n){return this.each(function(){var r=new t.Dial;r.o=n;r.$=e(this);r.run()}).parent()}}) \ No newline at end of file diff --git a/excanvas.js b/excanvas.js new file mode 100755 index 0000000..367764b --- /dev/null +++ b/excanvas.js @@ -0,0 +1,924 @@ +// Copyright 2006 Google Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + + +// Known Issues: +// +// * Patterns are not implemented. +// * Radial gradient are not implemented. The VML version of these look very +// different from the canvas one. +// * Clipping paths are not implemented. +// * Coordsize. The width and height attribute have higher priority than the +// width and height style values which isn't correct. +// * Painting mode isn't implemented. +// * Canvas width/height should is using content-box by default. IE in +// Quirks mode will draw the canvas using border-box. Either change your +// doctype to HTML5 +// (http://www.whatwg.org/specs/web-apps/current-work/#the-doctype) +// or use Box Sizing Behavior from WebFX +// (http://webfx.eae.net/dhtml/boxsizing/boxsizing.html) +// * Non uniform scaling does not correctly scale strokes. +// * Optimize. There is always room for speed improvements. + +// Only add this code if we do not already have a canvas implementation +if (!document.createElement('canvas').getContext) { + +(function() { + + // alias some functions to make (compiled) code shorter + var m = Math; + var mr = m.round; + var ms = m.sin; + var mc = m.cos; + var abs = m.abs; + var sqrt = m.sqrt; + + // this is used for sub pixel precision + var Z = 10; + var Z2 = Z / 2; + + /** + * This funtion is assigned to the elements as element.getContext(). + * @this {HTMLElement} + * @return {CanvasRenderingContext2D_} + */ + function getContext() { + return this.context_ || + (this.context_ = new CanvasRenderingContext2D_(this)); + } + + var slice = Array.prototype.slice; + + /** + * Binds a function to an object. The returned function will always use the + * passed in {@code obj} as {@code this}. + * + * Example: + * + * g = bind(f, obj, a, b) + * g(c, d) // will do f.call(obj, a, b, c, d) + * + * @param {Function} f The function to bind the object to + * @param {Object} obj The object that should act as this when the function + * is called + * @param {*} var_args Rest arguments that will be used as the initial + * arguments when the function is called + * @return {Function} A new function that has bound this + */ + function bind(f, obj, var_args) { + var a = slice.call(arguments, 2); + return function() { + return f.apply(obj, a.concat(slice.call(arguments))); + }; + } + + var G_vmlCanvasManager_ = { + init: function(opt_doc) { + if (/MSIE/.test(navigator.userAgent) && !window.opera) { + var doc = opt_doc || document; + // Create a dummy element so that IE will allow canvas elements to be + // recognized. + doc.createElement('canvas'); + doc.attachEvent('onreadystatechange', bind(this.init_, this, doc)); + } + }, + + init_: function(doc) { + // create xmlns + if (!doc.namespaces['g_vml_']) { + doc.namespaces.add('g_vml_', 'urn:schemas-microsoft-com:vml', + '#default#VML'); + + } + if (!doc.namespaces['g_o_']) { + doc.namespaces.add('g_o_', 'urn:schemas-microsoft-com:office:office', + '#default#VML'); + } + + // Setup default CSS. Only add one style sheet per document + if (!doc.styleSheets['ex_canvas_']) { + var ss = doc.createStyleSheet(); + ss.owningElement.id = 'ex_canvas_'; + ss.cssText = 'canvas{display:inline-block;overflow:hidden;' + + // default size is 300x150 in Gecko and Opera + 'text-align:left;width:300px;height:150px}' + + 'g_vml_\\:*{behavior:url(#default#VML)}' + + 'g_o_\\:*{behavior:url(#default#VML)}'; + + } + + // find all canvas elements + var els = doc.getElementsByTagName('canvas'); + for (var i = 0; i < els.length; i++) { + this.initElement(els[i]); + } + }, + + /** + * Public initializes a canvas element so that it can be used as canvas + * element from now on. This is called automatically before the page is + * loaded but if you are creating elements using createElement you need to + * make sure this is called on the element. + * @param {HTMLElement} el The canvas element to initialize. + * @return {HTMLElement} the element that was created. + */ + initElement: function(el) { + if (!el.getContext) { + + el.getContext = getContext; + + // Remove fallback content. There is no way to hide text nodes so we + // just remove all childNodes. We could hide all elements and remove + // text nodes but who really cares about the fallback content. + el.innerHTML = ''; + + // do not use inline function because that will leak memory + el.attachEvent('onpropertychange', onPropertyChange); + el.attachEvent('onresize', onResize); + + var attrs = el.attributes; + if (attrs.width && attrs.width.specified) { + // TODO: use runtimeStyle and coordsize + // el.getContext().setWidth_(attrs.width.nodeValue); + el.style.width = attrs.width.nodeValue + 'px'; + } else { + el.width = el.clientWidth; + } + if (attrs.height && attrs.height.specified) { + // TODO: use runtimeStyle and coordsize + // el.getContext().setHeight_(attrs.height.nodeValue); + el.style.height = attrs.height.nodeValue + 'px'; + } else { + el.height = el.clientHeight; + } + //el.getContext().setCoordsize_() + } + return el; + } + }; + + function onPropertyChange(e) { + var el = e.srcElement; + + switch (e.propertyName) { + case 'width': + el.style.width = el.attributes.width.nodeValue + 'px'; + el.getContext().clearRect(); + break; + case 'height': + el.style.height = el.attributes.height.nodeValue + 'px'; + el.getContext().clearRect(); + break; + } + } + + function onResize(e) { + var el = e.srcElement; + if (el.firstChild) { + el.firstChild.style.width = el.clientWidth + 'px'; + el.firstChild.style.height = el.clientHeight + 'px'; + } + } + + G_vmlCanvasManager_.init(); + + // precompute "00" to "FF" + var dec2hex = []; + for (var i = 0; i < 16; i++) { + for (var j = 0; j < 16; j++) { + dec2hex[i * 16 + j] = i.toString(16) + j.toString(16); + } + } + + function createMatrixIdentity() { + return [ + [1, 0, 0], + [0, 1, 0], + [0, 0, 1] + ]; + } + + function matrixMultiply(m1, m2) { + var result = createMatrixIdentity(); + + for (var x = 0; x < 3; x++) { + for (var y = 0; y < 3; y++) { + var sum = 0; + + for (var z = 0; z < 3; z++) { + sum += m1[x][z] * m2[z][y]; + } + + result[x][y] = sum; + } + } + return result; + } + + function copyState(o1, o2) { + o2.fillStyle = o1.fillStyle; + o2.lineCap = o1.lineCap; + o2.lineJoin = o1.lineJoin; + o2.lineWidth = o1.lineWidth; + o2.miterLimit = o1.miterLimit; + o2.shadowBlur = o1.shadowBlur; + o2.shadowColor = o1.shadowColor; + o2.shadowOffsetX = o1.shadowOffsetX; + o2.shadowOffsetY = o1.shadowOffsetY; + o2.strokeStyle = o1.strokeStyle; + o2.globalAlpha = o1.globalAlpha; + o2.arcScaleX_ = o1.arcScaleX_; + o2.arcScaleY_ = o1.arcScaleY_; + o2.lineScale_ = o1.lineScale_; + } + + function processStyle(styleString) { + var str, alpha = 1; + + styleString = String(styleString); + if (styleString.substring(0, 3) == 'rgb') { + var start = styleString.indexOf('(', 3); + var end = styleString.indexOf(')', start + 1); + var guts = styleString.substring(start + 1, end).split(','); + + str = '#'; + for (var i = 0; i < 3; i++) { + str += dec2hex[Number(guts[i])]; + } + + if (guts.length == 4 && styleString.substr(3, 1) == 'a') { + alpha = guts[3]; + } + } else { + str = styleString; + } + + return {color: str, alpha: alpha}; + } + + function processLineCap(lineCap) { + switch (lineCap) { + case 'butt': + return 'flat'; + case 'round': + return 'round'; + case 'square': + default: + return 'square'; + } + } + + /** + * This class implements CanvasRenderingContext2D interface as described by + * the WHATWG. + * @param {HTMLElement} surfaceElement The element that the 2D context should + * be associated with + */ + function CanvasRenderingContext2D_(surfaceElement) { + this.m_ = createMatrixIdentity(); + + this.mStack_ = []; + this.aStack_ = []; + this.currentPath_ = []; + + // Canvas context properties + this.strokeStyle = '#000'; + this.fillStyle = '#000'; + + this.lineWidth = 1; + this.lineJoin = 'miter'; + this.lineCap = 'butt'; + this.miterLimit = Z * 1; + this.globalAlpha = 1; + this.canvas = surfaceElement; + + var el = surfaceElement.ownerDocument.createElement('div'); + el.style.width = surfaceElement.clientWidth + 'px'; + el.style.height = surfaceElement.clientHeight + 'px'; + el.style.overflow = 'hidden'; + el.style.position = 'absolute'; + surfaceElement.appendChild(el); + + this.element_ = el; + this.arcScaleX_ = 1; + this.arcScaleY_ = 1; + this.lineScale_ = 1; + } + + var contextPrototype = CanvasRenderingContext2D_.prototype; + contextPrototype.clearRect = function() { + this.element_.innerHTML = ''; + }; + + contextPrototype.beginPath = function() { + // TODO: Branch current matrix so that save/restore has no effect + // as per safari docs. + this.currentPath_ = []; + }; + + contextPrototype.moveTo = function(aX, aY) { + var p = this.getCoords_(aX, aY); + this.currentPath_.push({type: 'moveTo', x: p.x, y: p.y}); + this.currentX_ = p.x; + this.currentY_ = p.y; + }; + + contextPrototype.lineTo = function(aX, aY) { + var p = this.getCoords_(aX, aY); + this.currentPath_.push({type: 'lineTo', x: p.x, y: p.y}); + + this.currentX_ = p.x; + this.currentY_ = p.y; + }; + + contextPrototype.bezierCurveTo = function(aCP1x, aCP1y, + aCP2x, aCP2y, + aX, aY) { + var p = this.getCoords_(aX, aY); + var cp1 = this.getCoords_(aCP1x, aCP1y); + var cp2 = this.getCoords_(aCP2x, aCP2y); + bezierCurveTo(this, cp1, cp2, p); + }; + + // Helper function that takes the already fixed cordinates. + function bezierCurveTo(self, cp1, cp2, p) { + self.currentPath_.push({ + type: 'bezierCurveTo', + cp1x: cp1.x, + cp1y: cp1.y, + cp2x: cp2.x, + cp2y: cp2.y, + x: p.x, + y: p.y + }); + self.currentX_ = p.x; + self.currentY_ = p.y; + } + + contextPrototype.quadraticCurveTo = function(aCPx, aCPy, aX, aY) { + // the following is lifted almost directly from + // http://developer.mozilla.org/en/docs/Canvas_tutorial:Drawing_shapes + + var cp = this.getCoords_(aCPx, aCPy); + var p = this.getCoords_(aX, aY); + + var cp1 = { + x: this.currentX_ + 2.0 / 3.0 * (cp.x - this.currentX_), + y: this.currentY_ + 2.0 / 3.0 * (cp.y - this.currentY_) + }; + var cp2 = { + x: cp1.x + (p.x - this.currentX_) / 3.0, + y: cp1.y + (p.y - this.currentY_) / 3.0 + }; + + bezierCurveTo(this, cp1, cp2, p); + }; + + contextPrototype.arc = function(aX, aY, aRadius, + aStartAngle, aEndAngle, aClockwise) { + aRadius *= Z; + var arcType = aClockwise ? 'at' : 'wa'; + + var xStart = aX + mc(aStartAngle) * aRadius - Z2; + var yStart = aY + ms(aStartAngle) * aRadius - Z2; + + var xEnd = aX + mc(aEndAngle) * aRadius - Z2; + var yEnd = aY + ms(aEndAngle) * aRadius - Z2; + + // IE won't render arches drawn counter clockwise if xStart == xEnd. + if (xStart == xEnd && !aClockwise) { + xStart += 0.125; // Offset xStart by 1/80 of a pixel. Use something + // that can be represented in binary + } + + var p = this.getCoords_(aX, aY); + var pStart = this.getCoords_(xStart, yStart); + var pEnd = this.getCoords_(xEnd, yEnd); + + this.currentPath_.push({type: arcType, + x: p.x, + y: p.y, + radius: aRadius, + xStart: pStart.x, + yStart: pStart.y, + xEnd: pEnd.x, + yEnd: pEnd.y}); + + }; + + contextPrototype.rect = function(aX, aY, aWidth, aHeight) { + this.moveTo(aX, aY); + this.lineTo(aX + aWidth, aY); + this.lineTo(aX + aWidth, aY + aHeight); + this.lineTo(aX, aY + aHeight); + this.closePath(); + }; + + contextPrototype.strokeRect = function(aX, aY, aWidth, aHeight) { + var oldPath = this.currentPath_; + this.beginPath(); + + this.moveTo(aX, aY); + this.lineTo(aX + aWidth, aY); + this.lineTo(aX + aWidth, aY + aHeight); + this.lineTo(aX, aY + aHeight); + this.closePath(); + this.stroke(); + + this.currentPath_ = oldPath; + }; + + contextPrototype.fillRect = function(aX, aY, aWidth, aHeight) { + var oldPath = this.currentPath_; + this.beginPath(); + + this.moveTo(aX, aY); + this.lineTo(aX + aWidth, aY); + this.lineTo(aX + aWidth, aY + aHeight); + this.lineTo(aX, aY + aHeight); + this.closePath(); + this.fill(); + + this.currentPath_ = oldPath; + }; + + contextPrototype.createLinearGradient = function(aX0, aY0, aX1, aY1) { + var gradient = new CanvasGradient_('gradient'); + gradient.x0_ = aX0; + gradient.y0_ = aY0; + gradient.x1_ = aX1; + gradient.y1_ = aY1; + return gradient; + }; + + contextPrototype.createRadialGradient = function(aX0, aY0, aR0, + aX1, aY1, aR1) { + var gradient = new CanvasGradient_('gradientradial'); + gradient.x0_ = aX0; + gradient.y0_ = aY0; + gradient.r0_ = aR0; + gradient.x1_ = aX1; + gradient.y1_ = aY1; + gradient.r1_ = aR1; + return gradient; + }; + + contextPrototype.drawImage = function(image, var_args) { + var dx, dy, dw, dh, sx, sy, sw, sh; + + // to find the original width we overide the width and height + var oldRuntimeWidth = image.runtimeStyle.width; + var oldRuntimeHeight = image.runtimeStyle.height; + image.runtimeStyle.width = 'auto'; + image.runtimeStyle.height = 'auto'; + + // get the original size + var w = image.width; + var h = image.height; + + // and remove overides + image.runtimeStyle.width = oldRuntimeWidth; + image.runtimeStyle.height = oldRuntimeHeight; + + if (arguments.length == 3) { + dx = arguments[1]; + dy = arguments[2]; + sx = sy = 0; + sw = dw = w; + sh = dh = h; + } else if (arguments.length == 5) { + dx = arguments[1]; + dy = arguments[2]; + dw = arguments[3]; + dh = arguments[4]; + sx = sy = 0; + sw = w; + sh = h; + } else if (arguments.length == 9) { + sx = arguments[1]; + sy = arguments[2]; + sw = arguments[3]; + sh = arguments[4]; + dx = arguments[5]; + dy = arguments[6]; + dw = arguments[7]; + dh = arguments[8]; + } else { + throw Error('Invalid number of arguments'); + } + + var d = this.getCoords_(dx, dy); + + var w2 = sw / 2; + var h2 = sh / 2; + + var vmlStr = []; + + var W = 10; + var H = 10; + + // For some reason that I've now forgotten, using divs didn't work + vmlStr.push(' ' , + '', + ''); + + this.element_.insertAdjacentHTML('BeforeEnd', + vmlStr.join('')); + }; + + contextPrototype.stroke = function(aFill) { + var lineStr = []; + var lineOpen = false; + var a = processStyle(aFill ? this.fillStyle : this.strokeStyle); + var color = a.color; + var opacity = a.alpha * this.globalAlpha; + + var W = 10; + var H = 10; + + lineStr.push(''); + + if (!aFill) { + var lineWidth = this.lineScale_ * this.lineWidth; + + // VML cannot correctly render a line if the width is less than 1px. + // In that case, we dilute the color to make the line look thinner. + if (lineWidth < 1) { + opacity *= lineWidth; + } + + lineStr.push( + '' + ); + } else if (typeof this.fillStyle == 'object') { + var fillStyle = this.fillStyle; + var angle = 0; + var focus = {x: 0, y: 0}; + + // additional offset + var shift = 0; + // scale factor for offset + var expansion = 1; + + if (fillStyle.type_ == 'gradient') { + var x0 = fillStyle.x0_ / this.arcScaleX_; + var y0 = fillStyle.y0_ / this.arcScaleY_; + var x1 = fillStyle.x1_ / this.arcScaleX_; + var y1 = fillStyle.y1_ / this.arcScaleY_; + var p0 = this.getCoords_(x0, y0); + var p1 = this.getCoords_(x1, y1); + var dx = p1.x - p0.x; + var dy = p1.y - p0.y; + angle = Math.atan2(dx, dy) * 180 / Math.PI; + + // The angle should be a non-negative number. + if (angle < 0) { + angle += 360; + } + + // Very small angles produce an unexpected result because they are + // converted to a scientific notation string. + if (angle < 1e-6) { + angle = 0; + } + } else { + var p0 = this.getCoords_(fillStyle.x0_, fillStyle.y0_); + var width = max.x - min.x; + var height = max.y - min.y; + focus = { + x: (p0.x - min.x) / width, + y: (p0.y - min.y) / height + }; + + width /= this.arcScaleX_ * Z; + height /= this.arcScaleY_ * Z; + var dimension = m.max(width, height); + shift = 2 * fillStyle.r0_ / dimension; + expansion = 2 * fillStyle.r1_ / dimension - shift; + } + + // We need to sort the color stops in ascending order by offset, + // otherwise IE won't interpret it correctly. + var stops = fillStyle.colors_; + stops.sort(function(cs1, cs2) { + return cs1.offset - cs2.offset; + }); + + var length = stops.length; + var color1 = stops[0].color; + var color2 = stops[length - 1].color; + var opacity1 = stops[0].alpha * this.globalAlpha; + var opacity2 = stops[length - 1].alpha * this.globalAlpha; + + var colors = []; + for (var i = 0; i < length; i++) { + var stop = stops[i]; + colors.push(stop.offset * expansion + shift + ' ' + stop.color); + } + + // When colors attribute is used, the meanings of opacity and o:opacity2 + // are reversed. + lineStr.push(''); + } else { + lineStr.push(''); + } + + lineStr.push(''); + + this.element_.insertAdjacentHTML('beforeEnd', lineStr.join('')); + }; + + contextPrototype.fill = function() { + this.stroke(true); + } + + contextPrototype.closePath = function() { + this.currentPath_.push({type: 'close'}); + }; + + /** + * @private + */ + contextPrototype.getCoords_ = function(aX, aY) { + var m = this.m_; + return { + x: Z * (aX * m[0][0] + aY * m[1][0] + m[2][0]) - Z2, + y: Z * (aX * m[0][1] + aY * m[1][1] + m[2][1]) - Z2 + } + }; + + contextPrototype.save = function() { + var o = {}; + copyState(this, o); + this.aStack_.push(o); + this.mStack_.push(this.m_); + this.m_ = matrixMultiply(createMatrixIdentity(), this.m_); + }; + + contextPrototype.restore = function() { + copyState(this.aStack_.pop(), this); + this.m_ = this.mStack_.pop(); + }; + + function matrixIsFinite(m) { + for (var j = 0; j < 3; j++) { + for (var k = 0; k < 2; k++) { + if (!isFinite(m[j][k]) || isNaN(m[j][k])) { + return false; + } + } + } + return true; + } + + function setM(ctx, m, updateLineScale) { + if (!matrixIsFinite(m)) { + return; + } + ctx.m_ = m; + + if (updateLineScale) { + // Get the line scale. + // Determinant of this.m_ means how much the area is enlarged by the + // transformation. So its square root can be used as a scale factor + // for width. + var det = m[0][0] * m[1][1] - m[0][1] * m[1][0]; + ctx.lineScale_ = sqrt(abs(det)); + } + } + + contextPrototype.translate = function(aX, aY) { + var m1 = [ + [1, 0, 0], + [0, 1, 0], + [aX, aY, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), false); + }; + + contextPrototype.rotate = function(aRot) { + var c = mc(aRot); + var s = ms(aRot); + + var m1 = [ + [c, s, 0], + [-s, c, 0], + [0, 0, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), false); + }; + + contextPrototype.scale = function(aX, aY) { + this.arcScaleX_ *= aX; + this.arcScaleY_ *= aY; + var m1 = [ + [aX, 0, 0], + [0, aY, 0], + [0, 0, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), true); + }; + + contextPrototype.transform = function(m11, m12, m21, m22, dx, dy) { + var m1 = [ + [m11, m12, 0], + [m21, m22, 0], + [dx, dy, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), true); + }; + + contextPrototype.setTransform = function(m11, m12, m21, m22, dx, dy) { + var m = [ + [m11, m12, 0], + [m21, m22, 0], + [dx, dy, 1] + ]; + + setM(this, m, true); + }; + + /******** STUBS ********/ + contextPrototype.clip = function() { + // TODO: Implement + }; + + contextPrototype.arcTo = function() { + // TODO: Implement + }; + + contextPrototype.createPattern = function() { + return new CanvasPattern_; + }; + + // Gradient / Pattern Stubs + function CanvasGradient_(aType) { + this.type_ = aType; + this.x0_ = 0; + this.y0_ = 0; + this.r0_ = 0; + this.x1_ = 0; + this.y1_ = 0; + this.r1_ = 0; + this.colors_ = []; + } + + CanvasGradient_.prototype.addColorStop = function(aOffset, aColor) { + aColor = processStyle(aColor); + this.colors_.push({offset: aOffset, + color: aColor.color, + alpha: aColor.alpha}); + }; + + function CanvasPattern_() {} + + // set up externs + G_vmlCanvasManager = G_vmlCanvasManager_; + CanvasRenderingContext2D = CanvasRenderingContext2D_; + CanvasGradient = CanvasGradient_; + CanvasPattern = CanvasPattern_; + +})(); + +} // if diff --git a/index.html b/index.html old mode 100644 new mode 100755 index c55d500..f5ecfc7 --- a/index.html +++ b/index.html @@ -2,155 +2,267 @@ jQuery Knob demo - - + + + -
- Knob demo - Flattr this +
+

jQuery Knob

+
+
+

Nice, downward compatible, touchable, jQuery dial. Flattr this

+

* implemented interactions : mouse click and wheel mouse, keyboard (on focus) and fingers (touch events)

-
+
+

× Disable display input

-data-width="75"
-data-fgColor="#fff"
-data-skin="tron"
-data-displayPrevious=true
+data-width="100"
+data-displayInput=false
- +
-
+
+

× 'cursor' mode

 data-width="150"
-data-fgColor="#fff"
-data-skin="tron"
-data-thickness=".2"
-data-displayPrevious=true
+data-cursor=true
+data-thickness=.3
+data-fgColor="#222222"
- +
-
+
+

× Display previous value

-data-width="150"
-data-fgColor="#fff"
-data-skin="tron"
-data-thickness=".1"
+data-displayPrevious=true
+data-min="-100"
- +
-
+
+

× Angle offset

-data-width="100"
-data-displayInput=false
+data-angleOffset=90
+data-linecap=round
- +
-
+
+

× Angle offset and arc

-data-width="200"
-data-cursor=true
+data-fgColor="#66CC66"
+data-angleOffset=-125
+data-angleArc=250
+data-rotation=anticlockwise
- +
-
+
+

× 4-digit, step 0.1

-data-width="200"
-data-min="-100"
-data-cgColor="#A9EFFD"
+data-step=".1"
+data-min="-10000"
+data-max="10000"
+value="0"
 data-displayPrevious=true
-data-angleOffset="90"
- + +
+
+
+

× Overloaded 'draw' method

+
+
+
+ 
+    data-width="75"
+    data-fgColor="#ffec03"
+    data-skin="tron"
+    data-thickness=".2"
+    data-displayPrevious=true
+
+ +
+
+ 
+    data-width="150"
+    data-fgColor="#ffec03"
+    data-skin="tron"
+    data-thickness=".2"
+    data-displayPrevious=true
+
+ +
+
+ 
+    data-width="150"
+    data-fgColor="#C0ffff"
+    data-skin="tron"
+    data-thickness=".1"
+    data-angleOffset="180"
+
+ +
-
-

Ticks

+
+

× Responsive

-data-cursor=true
-data-skin="tron"
-data-ticks="8"
+data-width="80%"
- +
+ + Current div width is 30% of window width.
+ Knob width is 80% of current div.
+ Knob width is 80% of 30% of window width.
+ Test resizing window. + +
+
+ +
+
+
+ +
+

× Superpose (clock)

+
+
+ +
+
+ +
+
+ +
+
-
-

Readonly

+
+
+

× Readonly

+readonly (or data-readOnly=true)
 data-thickness=".4"
 data-fgColor="chartreuse"
-data-readOnly=true
- +
-
-

Knobify!

+
+

× Dynamic

 data-width="200"
@@ -163,10 +275,9 @@

Knobify!

-
-
-

Infinite / iPod click wheel

-
+
+

× Infinite || iPod click wheel

+ 
 data-width="150"
 data-cursor=true
@@ -176,27 +287,17 @@ 
Infinite / iPod click wheel

 data-displayInput="false"
 + some code
- +
-
0
-
+
0
+
-
- - +
+
+ +

jQuery Knob is © 2012 Anthony Terrien - MIT License

+
- \ No newline at end of file + diff --git a/js/jquery.knob.js b/js/jquery.knob.js index 39fdac8..5294ffa 100644 --- a/js/jquery.knob.js +++ b/js/jquery.knob.js @@ -1,427 +1,805 @@ +/*!jQuery Knob*/ /** - * Knob - jQuery Plugin * Downward compatible, touchable dial * - * Version: 1.1.2 (22/05/2012) + * Version: 1.2.11 * Requires: jQuery v1.7+ * - * Copyright (c) 2011 Anthony Terrien - * Under MIT and GPL licenses: - * http://www.opensource.org/licenses/mit-license.php - * http://www.gnu.org/licenses/gpl.html + * Copyright (c) 2012 Anthony Terrien + * Under MIT License (http://www.opensource.org/licenses/mit-license.php) * - * Thanks to vor, eskimoblood, spiffistan + * Thanks to vor, eskimoblood, spiffistan, FabrizioC */ -$(function () { - - // Dial logic - var Dial = function (c, opt) { - - var v = null - ,ctx = c[0].getContext("2d") - ,PI2 = 2 * Math.PI - ,mx ,my ,x ,y - ,self = this; - - this.onChange = function () {}; - this.onCancel = function () {}; - this.onRelease = function () {}; - - this.val = function (nv) { - if (null != nv) { - opt.stopper && (nv = Math.max(Math.min(nv, opt.max), opt.min)); - v = nv; - this.onChange(nv); - this.draw(nv); - } else { - var b, a; - b = a = Math.atan2(mx - x, -(my - y - opt.width / 2)) - opt.angleOffset; - (a < 0) && (b = a + PI2); - nv = Math.round(b * (opt.max - opt.min) / PI2) + opt.min; - return (nv > opt.max) ? opt.max : nv; +(function (factory) { + if (typeof exports === 'object') { + // CommonJS + module.exports = factory(require('jquery')); + } else if (typeof define === 'function' && define.amd) { + // AMD. Register as an anonymous module. + define(['jquery'], factory); + } else { + // Browser globals + factory(jQuery); + } +}(function ($) { + + /** + * Kontrol library + */ + "use strict"; + + /** + * Definition of globals and core + */ + var k = {}, // kontrol + max = Math.max, + min = Math.min; + + k.c = {}; + k.c.d = $(document); + k.c.t = function (e) { + return e.originalEvent.touches.length - 1; + }; + + /** + * Kontrol Object + * + * Definition of an abstract UI control + * + * Each concrete component must call this one. + * + * k.o.call(this); + * + */ + k.o = function () { + var s = this; + + this.o = null; // array of options + this.$ = null; // jQuery wrapped element + this.i = null; // mixed HTMLInputElement or array of HTMLInputElement + this.g = null; // deprecated 2D graphics context for 'pre-rendering' + this.v = null; // value ; mixed array or integer + this.cv = null; // change value ; not commited value + this.x = 0; // canvas x position + this.y = 0; // canvas y position + this.w = 0; // canvas width + this.h = 0; // canvas height + this.$c = null; // jQuery canvas element + this.c = null; // rendered canvas context + this.t = 0; // touches index + this.isInit = false; + this.fgColor = null; // main color + this.pColor = null; // previous color + this.dH = null; // draw hook + this.cH = null; // change hook + this.eH = null; // cancel hook + this.rH = null; // release hook + this.scale = 1; // scale factor + this.relative = false; + this.relativeWidth = false; + this.relativeHeight = false; + this.$div = null; // component div + + this.run = function () { + var cf = function (e, conf) { + var k; + for (k in conf) { + s.o[k] = conf[k]; + } + s._carve().init(); + s._configure() + ._draw(); + }; + + if (this.$.data('kontroled')) return; + this.$.data('kontroled', true); + + this.extend(); + this.o = $.extend({ + // Config + min: this.$.data('min') !== undefined ? this.$.data('min') : 0, + max: this.$.data('max') !== undefined ? this.$.data('max') : 100, + stopper: true, + readOnly: this.$.data('readonly') || (this.$.attr('readonly') === 'readonly'), + + // UI + cursor: this.$.data('cursor') === true && 30 + || this.$.data('cursor') || 0, + thickness: this.$.data('thickness') + && Math.max(Math.min(this.$.data('thickness'), 1), 0.01) + || 0.35, + lineCap: this.$.data('linecap') || 'butt', + width: this.$.data('width') || 200, + height: this.$.data('height') || 200, + displayInput: this.$.data('displayinput') == null || this.$.data('displayinput'), + displayPrevious: this.$.data('displayprevious'), + fgColor: this.$.data('fgcolor') || '#87CEEB', + inputColor: this.$.data('inputcolor'), + font: this.$.data('font') || 'Arial', + fontWeight: this.$.data('font-weight') || 'bold', + inline: false, + step: this.$.data('step') || 1, + rotation: this.$.data('rotation'), + + // Hooks + draw: null, // function () {} + change: null, // function (value) {} + cancel: null, // function () {} + release: null, // function (value) {} + + // Output formatting, allows to add unit: %, ms ... + format: function(v) { + return v; + }, + parse: function (v) { + return parseFloat(v); + } + }, this.o + ); + + // finalize options + this.o.flip = this.o.rotation === 'anticlockwise' || this.o.rotation === 'acw'; + if (!this.o.inputColor) { + this.o.inputColor = this.o.fgColor; } - }; - this.change = function (nv) { - opt.stopper && (nv = Math.max(Math.min(nv, opt.max), opt.min)); - this.onChange(nv); - this.draw(nv); - }; + // routing value + if (this.$.is('fieldset')) { + + // fieldset = array of integer + this.v = {}; + this.i = this.$.find('input'); + this.i.each(function(k) { + var $this = $(this); + s.i[k] = $this; + s.v[k] = s.o.parse($this.val()); + + $this.bind( + 'change blur', + function () { + var val = {}; + val[k] = $this.val(); + s.val(s._validate(val)); + } + ); + }); + this.$.find('legend').remove(); + } else { - this.angle = function (nv) { - return (nv - opt.min) * PI2 / (opt.max - opt.min); - }; + // input = integer + this.i = this.$; + this.v = this.o.parse(this.$.val()); + this.v === '' && (this.v = this.o.min); + this.$.bind( + 'change blur', + function () { + s.val(s._validate(s.o.parse(s.$.val()))); + } + ); + + } - this.draw = function (nv) { + !this.o.displayInput && this.$.hide(); - var a = this.angle(nv) // Angle - ,sa = 1.5 * Math.PI + opt.angleOffset // Previous start angle - ,sat = sa // Start angle - ,ea = sa + this.angle(v) // Previous end angle - ,eat = sat + a // End angle - ,r = opt.width / 2 // Radius - ,lw = r * opt.thickness // Line width - ,cgcolor = Dial.getCgColor(opt.cgColor) - ,tick - ; + // adds needed DOM elements (canvas, div) + this.$c = $(document.createElement('canvas')).attr({ + width: this.o.width, + height: this.o.height + }); - ctx.clearRect(0, 0, opt.width, opt.width); - ctx.lineWidth = lw; + // wraps all elements in a div + // add to DOM before Canvas init is triggered + this.$div = $('
'); - // Hook draw - if (opt.draw(a, v, opt, ctx)) { return; } + this.$.wrap(this.$div).before(this.$c); + this.$div = this.$.parent(); - for (tick = 0; tick < opt.ticks; tick++) { + if (typeof G_vmlCanvasManager !== 'undefined') { + G_vmlCanvasManager.initElement(this.$c[0]); + } - ctx.beginPath(); + this.c = this.$c[0].getContext ? this.$c[0].getContext('2d') : null; - if (a > (((2 * Math.PI) / opt.ticks) * tick) && opt.tickColorizeValues) { - ctx.strokeStyle = opt.fgColor; - } else { - ctx.strokeStyle = opt.tickColor; + if (!this.c) { + throw { + name: "CanvasNotSupportedException", + message: "Canvas not supported. Please use excanvas on IE8.0.", + toString: function(){return this.name + ": " + this.message} } + } - var tick_sa = (((2 * Math.PI) / opt.ticks) * tick) - (0.5 * Math.PI); - ctx.arc( r, r, r-lw-opt.tickLength, tick_sa, tick_sa+opt.tickWidth , false); - ctx.stroke(); + // hdpi support + this.scale = (window.devicePixelRatio || 1) / ( + this.c.webkitBackingStorePixelRatio || + this.c.mozBackingStorePixelRatio || + this.c.msBackingStorePixelRatio || + this.c.oBackingStorePixelRatio || + this.c.backingStorePixelRatio || 1 + ); + + // detects relative width / height + this.relativeWidth = this.o.width % 1 !== 0 + && this.o.width.indexOf('%'); + this.relativeHeight = this.o.height % 1 !== 0 + && this.o.height.indexOf('%'); + this.relative = this.relativeWidth || this.relativeHeight; + + // computes size and carves the component + this._carve(); + + // prepares props for transaction + if (this.v instanceof Object) { + this.cv = {}; + this.copy(this.v, this.cv); + } else { + this.cv = this.v; } - opt.cursor - && (sa = ea - 0.3) - && (ea = ea + 0.3) - && (sat = eat - 0.3) - && (eat = eat + 0.3); + // binds configure event + this.$ + .bind("configure", cf) + .parent() + .bind("configure", cf); + + // finalize init + this._listen() + ._configure() + ._xy() + .init(); + + this.isInit = true; + + this.$.val(this.o.format(this.v)); + this._draw(); + + return this; + }; + + this._carve = function() { + if (this.relative) { + var w = this.relativeWidth ? + this.$div.parent().width() * + parseInt(this.o.width) / 100 + : this.$div.parent().width(), + h = this.relativeHeight ? + this.$div.parent().height() * + parseInt(this.o.height) / 100 + : this.$div.parent().height(); + + // apply relative + this.w = this.h = Math.min(w, h); + } else { + this.w = this.o.width; + this.h = this.o.height; + } + + // finalize div + this.$div.css({ + 'width': this.w + 'px', + 'height': this.h + 'px' + }); + + // finalize canvas with computed width + this.$c.attr({ + width: this.w, + height: this.h + }); + + // scaling + if (this.scale !== 1) { + this.$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); + } + + return this; + } + + this._draw = function () { + + // canvas pre-rendering + var d = true; + + s.g = s.c; - switch (opt.skin) { + s.clear(); - case 'default' : + s.dH && (d = s.dH()); - ctx.beginPath(); - ctx.strokeStyle = opt.bgColor; - ctx.arc(r, r, r - lw / 2, 0, PI2, true); - ctx.stroke(); + d !== false && s.draw(); + }; + + this._touch = function (e) { + var touchMove = function (e) { + var v = s.xy2val( + e.originalEvent.touches[s.t].pageX, + e.originalEvent.touches[s.t].pageY + ); + + if (v == s.cv) return; + + if (s.cH && s.cH(v) === false) return; - if (opt.displayPrevious) { - ctx.beginPath(); - ctx.strokeStyle = (v == nv) ? opt.fgColor : cgcolor; - ctx.arc(r, r, r - lw / 2, sa, ea, false); - ctx.stroke(); + s.change(s._validate(v)); + s._draw(); + }; + + // get touches index + this.t = k.c.t(e); + + // First touch + touchMove(e); + + // Touch events listeners + k.c.d + .bind("touchmove.k", touchMove) + .bind( + "touchend.k", + function () { + k.c.d.unbind('touchmove.k touchend.k'); + s.val(s.cv); } + ); + + return this; + }; + + this._mouse = function (e) { + var mouseMove = function (e) { + var v = s.xy2val(e.pageX, e.pageY); - ctx.beginPath(); - ctx.strokeStyle = opt.fgColor; - ctx.arc(r, r, r - lw / 2, sat, eat, false); - ctx.stroke(); + if (v == s.cv) return; - break; + if (s.cH && (s.cH(v) === false)) return; + + s.change(s._validate(v)); + s._draw(); + }; + + // First click + mouseMove(e); + + // Mouse events listeners + k.c.d + .bind("mousemove.k", mouseMove) + .bind( + // Escape key cancel current change + "keyup.k", + function (e) { + if (e.keyCode === 27) { + k.c.d.unbind("mouseup.k mousemove.k keyup.k"); - case 'tron' : + if (s.eH && s.eH() === false) + return; - if (opt.displayPrevious) { - ctx.beginPath(); - ctx.strokeStyle = (v == nv) ? opt.fgColor : cgcolor; - ctx.arc( r, r, r - lw, sa, ea, false); - ctx.stroke(); + s.cancel(); + } } + ) + .bind( + "mouseup.k", + function (e) { + k.c.d.unbind('mousemove.k mouseup.k keyup.k'); + s.val(s.cv); + } + ); - ctx.beginPath(); - ctx.strokeStyle = opt.fgColor; - ctx.arc( r, r, r - lw, sat, eat, false); - ctx.stroke(); + return this; + }; + + this._xy = function () { + var o = this.$c.offset(); + this.x = o.left; + this.y = o.top; - ctx.lineWidth = 2; - ctx.beginPath(); - ctx.strokeStyle = opt.fgColor; - ctx.arc( r, r, r - lw + 1 + lw * 2 / 3, 0, 2 * Math.PI, false); - ctx.stroke(); + return this; + }; - break; + this._listen = function () { + if (!this.o.readOnly) { + this.$c + .bind( + "mousedown", + function (e) { + e.preventDefault(); + s._xy()._mouse(e); + } + ) + .bind( + "touchstart", + function (e) { + e.preventDefault(); + s._xy()._touch(e); + } + ); + + this.listen(); + } else { + this.$.attr('readonly', 'readonly'); } + + if (this.relative) { + $(window).resize(function() { + s._carve().init(); + s._draw(); + }); + } + + return this; }; - this.capture = function (e) { - switch (e.type) { - case 'mousemove' : - case 'mousedown' : - mx = e.pageX; - my = e.pageY; - break; - case 'touchmove' : - case 'touchstart' : - mx = e.originalEvent.touches[0].pageX; - my = e.originalEvent.touches[0].pageY; - break; + this._configure = function () { + + // Hooks + if (this.o.draw) this.dH = this.o.draw; + if (this.o.change) this.cH = this.o.change; + if (this.o.cancel) this.eH = this.o.cancel; + if (this.o.release) this.rH = this.o.release; + + if (this.o.displayPrevious) { + this.pColor = this.h2rgba(this.o.fgColor, "0.4"); + this.fgColor = this.h2rgba(this.o.fgColor, "0.6"); + } else { + this.fgColor = this.o.fgColor; } - this.change( this.val() ); + + return this; }; - this.cancel = function () { - self.val(v); - self.onCancel(); + this._clear = function () { + this.$c[0].width = this.$c[0].width; + }; + + this._validate = function (v) { + var val = (~~ (((v < 0) ? -0.5 : 0.5) + (v/this.o.step))) * this.o.step; + return Math.round(val * 100) / 100; + }; + + // Abstract methods + this.listen = function () {}; // on start, one time + this.extend = function () {}; // each time configure triggered + this.init = function () {}; // each time configure triggered + this.change = function (v) {}; // on change + this.val = function (v) {}; // on release + this.xy2val = function (x, y) {}; // + this.draw = function () {}; // on change / on release + this.clear = function () { this._clear(); }; + + // Utils + this.h2rgba = function (h, a) { + var rgb; + h = h.substring(1,7) + rgb = [ + parseInt(h.substring(0,2), 16), + parseInt(h.substring(2,4), 16), + parseInt(h.substring(4,6), 16) + ]; + + return "rgba(" + rgb[0] + "," + rgb[1] + "," + rgb[2] + "," + a + ")"; + }; + + this.copy = function (f, t) { + for (var i in f) { + t[i] = f[i]; + } + }; + }; + + + /** + * k.Dial + */ + k.Dial = function () { + k.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 = $.extend({ + bgColor: this.$.data('bgcolor') || '#EEEEEE', + angleOffset: this.$.data('angleoffset') || 0, + angleArc: this.$.data('anglearc') || 360, + inline: true + }, this.o); + }; + + this.val = function (v, triggerRelease) { + if (null != v) { + + // reverse format + v = this.o.parse(v); + + if (triggerRelease !== false + && v != this.v + && this.rH + && this.rH(v) === false) { return; } + + this.cv = this.o.stopper ? max(min(v, this.o.max), this.o.min) : v; + this.v = this.cv; + this.$.val(this.o.format(this.v)); + this._draw(); + } else { + return this.v; + } }; - this.startDrag = function (e) { + this.xy2val = function (x, y) { + var a, ret; - var p = c.offset() - ,$doc = $(document); + a = Math.atan2( + x - (this.x + this.w2), + - (y - this.y - this.w2) + ) - this.angleOffset; - x = p.left + (opt.width / 2); - y = p.top; + if (this.o.flip) { + a = this.angleArc - a - this.PI2; + } + + if (this.angleArc != this.PI2 && (a < 0) && (a > -0.5)) { + + // if isset angleArc option, set to min if .5 under min + a = 0; + } else if (a < 0) { + a += this.PI2; + } - this.capture(e); + ret = (a * (this.o.max - this.o.min) / this.angleArc) + this.o.min; - // Listen mouse and touch events - $doc.bind( - "mousemove.dial touchmove.dial" - ,function (e) { - self.capture(e); + this.o.stopper && (ret = max(min(ret, this.o.max), this.o.min)); + + return ret; + }; + + this.listen = function () { + + // bind MouseWheel + var s = this, mwTimerStop, + mwTimerRelease, + mw = function (e) { + e.preventDefault(); + + var ori = e.originalEvent, + deltaX = ori.detail || ori.wheelDeltaX, + deltaY = ori.detail || ori.wheelDeltaY, + v = s._validate(s.o.parse(s.$.val())) + + ( + deltaX > 0 || deltaY > 0 + ? s.o.step + : deltaX < 0 || deltaY < 0 ? -s.o.step : 0 + ); + + v = max(min(v, s.o.max), s.o.min); + + s.val(v, false); + + if (s.rH) { + // Handle mousewheel stop + clearTimeout(mwTimerStop); + mwTimerStop = setTimeout(function () { + s.rH(v); + mwTimerStop = null; + }, 100); + + // Handle mousewheel releases + if (!mwTimerRelease) { + mwTimerRelease = setTimeout(function () { + if (mwTimerStop) + s.rH(v); + mwTimerRelease = null; + }, 200); + } } - ) + }, + kval, + to, + m = 1, + kv = { + 37: -s.o.step, + 38: s.o.step, + 39: s.o.step, + 40: -s.o.step + }; + + this.$ .bind( - // Escape - "keyup.dial" - ,function (e) { - if(e.keyCode === 27) { - $doc.unbind("mouseup.dial mousemove.dial keyup.dial"); - self.cancel(); + "keydown", + function (e) { + var kc = e.keyCode; + + // numpad support + if (kc >= 96 && kc <= 105) { + kc = e.keyCode = kc - 48; + } + + kval = parseInt(String.fromCharCode(kc)); + + if (isNaN(kval)) { + (kc !== 13) // enter + && kc !== 8 // bs + && kc !== 9 // tab + && kc !== 189 // - + && (kc !== 190 + || s.$.val().match(/\./)) // . allowed once + && e.preventDefault(); + + // arrows + if ($.inArray(kc,[37,38,39,40]) > -1) { + e.preventDefault(); + + var v = s.o.parse(s.$.val()) + kv[kc] * m; + s.o.stopper && (v = max(min(v, s.o.max), s.o.min)); + + s.change(s._validate(v)); + s._draw(); + + // long time keydown speed-up + to = window.setTimeout(function () { + m *= 2; + }, 30); + } } } ) .bind( - "mouseup.dial touchend.dial" - ,function (e) { - $doc.unbind('mousemove.dial touchmove.dial mouseup.dial touchend.dial keyup.dial'); - self.val(self.val()); - self.onRelease(v); + "keyup", + function (e) { + if (isNaN(kval)) { + if (to) { + window.clearTimeout(to); + to = null; + m = 1; + s.val(s.$.val()); + } + } else { + // kval postcond + (s.$.val() > s.o.max && s.$.val(s.o.max)) + || (s.$.val() < s.o.min && s.$.val(s.o.min)); + } } ); + + this.$c.bind("mousewheel DOMMouseScroll", mw); + this.$.bind("mousewheel DOMMouseScroll", mw) }; - }; - // Dial static func - Dial.getCgColor = function (h) { - h = h.substring(1,7); - var rgb = [parseInt(h.substring(0,2),16) - ,parseInt(h.substring(2,4),16) - ,parseInt(h.substring(4,6),16)]; - return "rgba("+rgb[0]+","+rgb[1]+","+rgb[2]+",.5)"; - }; + this.init = function () { + if (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); + + // deg to rad + this.angleOffset = this.o.angleOffset * Math.PI / 180; + this.angleArc = this.o.angleArc * Math.PI / 180; + + // compute start and end angles + this.startAngle = 1.5 * Math.PI + this.angleOffset; + this.endAngle = 1.5 * Math.PI + this.angleOffset + this.angleArc; + + var s = max( + 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' : '-' + ((this.w * 3 / 4 + 2) >> 0) + 'px', + 'border' : 0, + 'background' : 'none', + 'font' : this.o.fontWeight + ' ' + ((this.w / s) >> 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' + }); + }; - // jQuery plugin - $.fn.knob = $.fn.dial = function (gopt) { + this.change = function (v) { + this.cv = v; + this.$.val(this.o.format(v)); + }; - return this.each( + this.angle = function (v) { + return (v - this.o.min) * this.angleArc / (this.o.max - this.o.min); + }; - function () { + this.arc = function (v) { + var sa, ea; + v = this.angle(v); + if (this.o.flip) { + sa = this.endAngle + 0.00001; + ea = sa - v - 0.00001; + } else { + sa = this.startAngle - 0.00001; + ea = sa + v + 0.00001; + } + this.o.cursor + && (sa = ea - this.cursorExt) + && (ea = ea + this.cursorExt); + + return { + s: sa, + e: ea, + d: this.o.flip && !this.o.cursor + }; + }; - var $this = $(this), opt; - - if ($this.data('dialed')) { return $this; } - $this.data('dialed', true); - - opt = $.extend( - { - // Config - 'min' : $this.data('min') || 0 - ,'max' : $this.data('max') || 100 - ,'stopper' : true - ,'readOnly' : $this.data('readonly') - - // UI - ,'cursor' : $this.data('cursor') - ,'thickness' : $this.data('thickness') || 0.35 - ,'width' : $this.data('width') || 200 - ,'displayInput' : $this.data('displayinput') == null || $this.data('displayinput') - ,'displayPrevious' : $this.data('displayprevious') - ,'fgColor' : $this.data('fgcolor') || '#87CEEB' - ,'cgColor' : $this.data('cgcolor') || $this.data('fgcolor') || '#87CEEB' - ,'bgColor' : $this.data('bgcolor') || '#EEEEEE' - ,'tickColor' : $this.data('tickColor') || $this.data('fgcolor') || '#DDDDDD' - ,'ticks' : $this.data('ticks') || 0 - ,'tickLength' : $this.data('tickLength') || 0 - ,'tickWidth' : $this.data('tickWidth') || 0.02 - ,'tickColorizeValues' : $this.data('tickColorizeValues') || true - ,'skin' : $this.data('skin') || 'default' - ,'angleOffset': degreeToRadians($this.data('angleoffset')) - - // Hooks - ,'draw' : - /** - * @param int a angle - * @param int v current value - * @param array opt plugin options - * @param context ctx Canvas context 2d - * @return bool true:bypass default draw methode - */ - function (a, v, opt, ctx) {} - ,'change' : - /** - * @param int v Current value - */ - function (v) {} - ,'release' : - /** - * @param int v Current value - * @param jQuery ipt Input - */ - function (v, ipt) {} - } - ,gopt - ); + this.draw = function () { + var c = this.g, // context + a = this.arc(this.cv), // Arc + pa, // Previous arc + r = 1; - var c = $('') - ,wd = $('
') - ,k - ,vl = $this.val() - ,initStyle = function () { - opt.displayInput - && $this.css({ - 'width' : opt.width / 2 + 'px' - ,'position' : 'absolute' - ,'margin-top' : (opt.width * 5 / 14) + 'px' - ,'margin-left' : '-' + (opt.width * 3 / 4) + 'px' - ,'font-size' : (opt.width / 4) + 'px' - ,'border' : 'none' - ,'background' : 'none' - ,'font-family' : 'Arial' - ,'font-weight' : 'bold' - ,'text-align' : 'center' - ,'color' : opt.fgColor - ,'padding' : '0px' - ,'-webkit-appearance': 'none' - }) - || $this.css({ - 'width' : '0px' - ,'visibility' : 'hidden' - }); - }; - - // Canvas insert - $this.wrap(wd).before(c); - - initStyle(); - - // Invoke dial logic - k = new Dial(c, opt); - vl || (vl = opt.min); - $this.val(vl); - k.val(vl); - - k.onRelease = function (v) { - opt.release(v, $this); - }; - k.onChange = function (v) { - $this.val(v); - opt.change(v); - }; - - // bind change on input - $this.bind( - 'change' - ,function (e) { - k.val($this.val()); - } - ); + c.lineWidth = this.lineWidth; + c.lineCap = this.lineCap; - if (!opt.readOnly) { - - // canvas - c.bind( - "mousedown touchstart" - ,function (e) { - e.preventDefault(); - k.startDrag(e); - } - ) - .bind( - "mousewheel DOMMouseScroll" - ,mw = function (e) { - e.preventDefault(); - var ori = e.originalEvent - ,deltaX = ori.detail || ori.wheelDeltaX - ,deltaY = ori.detail || ori.wheelDeltaY - ,val = parseInt($this.val()) + (deltaX>0 || deltaY>0 ? 1 : deltaX<0 || deltaY<0 ? -1 : 0); - k.val(val); - } - ); + if (this.o.bgColor !== "none") { + c.beginPath(); + c.strokeStyle = this.o.bgColor; + c.arc(this.xy, this.xy, this.radius, this.endAngle - 0.00001, this.startAngle + 0.00001, true); + c.stroke(); + } - // input - var kval, val, to, m = 1, kv = {37:-1, 38:1, 39:1, 40:-1}; - $this - .bind( - "configure" - ,function (e, aconf) { - var kconf; - for (kconf in aconf) { opt[kconf] = aconf[kconf]; } - initStyle(); - k.val($this.val()); - } - ) - .bind( - "keydown" - ,function (e) { - var kc = e.keyCode; - if (kc >= 96 && kc <= 105) kc -= 48; //numpad - kval = parseInt(String.fromCharCode(kc)); - - if (isNaN(kval)) { - - (kc !== 13) // enter - && (kc !== 8) // bs - && (kc !== 9) // tab - && (kc !== 189) // - - && e.preventDefault(); - - // arrows - if ($.inArray(kc,[37,38,39,40]) > -1) { - k.change(parseInt($this.val()) + kv[kc] * m); - - // long time keydown speed-up - to = window.setTimeout( - function () { m < 20 && m++; } - ,50 - ); - - e.preventDefault(); - } - } - } - ) - .bind( - "keyup" - ,function(e) { - if (isNaN(kval)) { - if (to) { - window.clearTimeout(to); - to = null; - m = 1; - k.val($this.val()); - k.onRelease($this.val(), $this); - } else { - // enter - (e.keyCode === 13) - && k.onRelease($this.val(), $this); - } - } else { - // kval postcond - ($this.val() > opt.max && $this.val(opt.max)) - || ($this.val() < opt.min && $this.val(opt.min)); - } - - } - ) - .bind( - "mousewheel DOMMouseScroll" - ,mw - ); - } else { - $this.attr('readonly', 'readonly'); - } + if (this.o.displayPrevious) { + pa = this.arc(this.v); + c.beginPath(); + c.strokeStyle = this.pColor; + c.arc(this.xy, this.xy, this.radius, pa.s, pa.e, pa.d); + c.stroke(); + r = this.cv == this.v; + } + + c.beginPath(); + c.strokeStyle = r ? this.o.fgColor : this.fgColor ; + c.arc(this.xy, this.xy, this.radius, a.s, a.e, a.d); + c.stroke(); + }; + + this.cancel = function () { + this.val(this.v); + }; + }; + + $.fn.dial = $.fn.knob = function (o) { + return this.each( + function () { + var d = new k.Dial(); + d.o = o; + d.$ = $(this); + d.run(); } ).parent(); }; - function degreeToRadians (angle) { - return $.isNumeric(angle) ? angle * Math.PI / 180 : 0; - } -}); \ No newline at end of file +})); diff --git a/knob.jquery.json b/knob.jquery.json new file mode 100755 index 0000000..26564ad --- /dev/null +++ b/knob.jquery.json @@ -0,0 +1,37 @@ +{ + "name": "knob", + "title": "jQuery Knob", + "description": "Nice, downward compatible, touchable, jQuery dial.", + "keywords": [ + "dial", + "button", + "knob", + "ui", + "input" + ], + "version": "1.2.11", + "author": { + "name": "Anthony Terrien", + "url": "https://github.com/aterrien" + }, + "maintainers": [ + { + "name": "Anthony Terrien", + "email": "kontrol@anthonyterrien.com", + "url": "http://anthonyterrien.com/knob" + } + ], + "licenses": [ + { + "type": "MIT", + "url": "http://opensource.org/licenses/mit-license.php" + } + ], + "bugs": "https://github.com/aterrien/jQuery-Knob/issues", + "homepage": "https://github.com/aterrien/jQuery-Knob", + "docs": "https://github.com/aterrien/jQuery-Knob", + "download": "https://github.com/aterrien/jQuery-Knob/tags", + "dependencies": { + "jquery": ">=1.7.0" + } +} diff --git a/secretplan.jpg b/secretplan.jpg new file mode 100755 index 0000000..e6f98de Binary files /dev/null and b/secretplan.jpg differ