--- /dev/null
+/*!jQuery Knob*/
+/**
+ * Downward compatible, touchable dial
+ *
+ * Version: 1.2.11
+ * Requires: jQuery v1.7+
+ *
+ * Copyright (c) 2012 Anthony Terrien
+ * Under MIT License (http://www.opensource.org/licenses/mit-license.php)
+ *
+ * Thanks to vor, eskimoblood, spiffistan, FabrizioC
+ */
+(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 = $(document);
+ k.c.t = function (e) {
+ return e.originalEvent.touches.length - 1;
+ };
+
+ /**
+ * Kontrol Object
+ *
+ * Definition of an abstract UI control
+ *
+ * Each concrete component must call this one.
+ * <code>
+ * k.o.call(this);
+ * </code>
+ */
+ k.o = function () {
+ var s = this;
+
+ this.o = null; // array of options
+ this.$ = 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.$.data('rotation'),
+
+ // Hooks
+ draw: null, // function () {}
+ change: null, // function (value) {}
+ cancel: null, // function () {}
+ release: null, // function (value) {}
+
+ // Output formatting, allows to add unit: %, ms ...
+ format: function(v) {
+ return v;
+ },
+ parse: function (v) {
+ return parseFloat(v);
+ }
+ }, this.o
+ );
+
+ // finalize options
+ this.o.flip = this.o.rotation === 'anticlockwise' || this.o.rotation === 'acw';
+ if (!this.o.inputColor) {
+ this.o.inputColor = this.o.fgColor;
+ }
+
+ // routing value
+ if (this.$.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 {
+
+ // 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.o.displayInput && this.$.hide();
+
+ // adds needed DOM elements (canvas, div)
+ this.$c = $(document.createElement('canvas')).attr({
+ width: this.o.width,
+ height: this.o.height
+ });
+
+ // wraps all elements in a div
+ // add to DOM before Canvas init is triggered
+ this.$div = $('<div style="'
+ + (this.o.inline ? 'display:inline;' : '')
+ + 'width:' + this.o.width + 'px;height:' + this.o.height + 'px;'
+ + '"></div>');
+
+ this.$.wrap(this.$div).before(this.$c);
+ this.$div = this.$.parent();
+
+ if (typeof G_vmlCanvasManager !== 'undefined') {
+ G_vmlCanvasManager.initElement(this.$c[0]);
+ }
+
+ this.c = this.$c[0].getContext ? this.$c[0].getContext('2d') : null;
+
+ if (!this.c) {
+ throw {
+ name: "CanvasNotSupportedException",
+ message: "Canvas not supported. Please use excanvas on IE8.0.",
+ toString: function(){return this.name + ": " + this.message}
+ }
+ }
+
+ // hdpi support
+ this.scale = (window.devicePixelRatio || 1) / (
+ this.c.webkitBackingStorePixelRatio ||
+ this.c.mozBackingStorePixelRatio ||
+ this.c.msBackingStorePixelRatio ||
+ this.c.oBackingStorePixelRatio ||
+ this.c.backingStorePixelRatio || 1
+ );
+
+ // detects relative width / height
+ this.relativeWidth = this.o.width % 1 !== 0
+ && this.o.width.indexOf('%');
+ this.relativeHeight = this.o.height % 1 !== 0
+ && this.o.height.indexOf('%');
+ this.relative = this.relativeWidth || this.relativeHeight;
+
+ // computes size and carves the component
+ this._carve();
+
+ // prepares props for transaction
+ if (this.v instanceof Object) {
+ this.cv = {};
+ this.copy(this.v, this.cv);
+ } else {
+ this.cv = this.v;
+ }
+
+ // binds configure event
+ this.$
+ .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.$c.height(this.h);
+ }
+
+ return this;
+ }
+
+ this._draw = function () {
+
+ // canvas pre-rendering
+ var d = true;
+
+ s.g = s.c;
+
+ s.clear();
+
+ s.dH && (d = s.dH());
+
+ d !== false && s.draw();
+ };
+
+ this._touch = function (e) {
+ var touchMove = function (e) {
+ var v = s.xy2val(
+ e.originalEvent.touches[s.t].pageX,
+ e.originalEvent.touches[s.t].pageY
+ );
+
+ if (v == s.cv) return;
+
+ if (s.cH && s.cH(v) === false) return;
+
+ s.change(s._validate(v));
+ s._draw();
+ };
+
+ // get touches index
+ this.t = k.c.t(e);
+
+ // First touch
+ touchMove(e);
+
+ // Touch events listeners
+ k.c.d
+ .bind("touchmove.k", touchMove)
+ .bind(
+ "touchend.k",
+ function () {
+ k.c.d.unbind('touchmove.k touchend.k');
+ s.val(s.cv);
+ }
+ );
+
+ return this;
+ };
+
+ this._mouse = function (e) {
+ var mouseMove = function (e) {
+ var v = s.xy2val(e.pageX, e.pageY);
+
+ if (v == s.cv) return;
+
+ if (s.cH && (s.cH(v) === false)) return;
+
+ s.change(s._validate(v));
+ s._draw();
+ };
+
+ // First click
+ mouseMove(e);
+
+ // Mouse events listeners
+ k.c.d
+ .bind("mousemove.k", mouseMove)
+ .bind(
+ // Escape key cancel current change
+ "keyup.k",
+ function (e) {
+ if (e.keyCode === 27) {
+ k.c.d.unbind("mouseup.k mousemove.k keyup.k");
+
+ if (s.eH && s.eH() === false)
+ return;
+
+ s.cancel();
+ }
+ }
+ )
+ .bind(
+ "mouseup.k",
+ function (e) {
+ k.c.d.unbind('mousemove.k mouseup.k keyup.k');
+ s.val(s.cv);
+ }
+ );
+
+ return this;
+ };
+
+ this._xy = function () {
+ var o = this.$c.offset();
+ this.x = o.left;
+ this.y = o.top;
+
+ return this;
+ };
+
+ 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) {
+ $(window).resize(function() {
+ s._carve().init();
+ s._draw();
+ });
+ }
+
+ return this;
+ };
+
+ this._configure = function () {
+
+ // Hooks
+ if (this.o.draw) this.dH = this.o.draw;
+ if (this.o.change) this.cH = this.o.change;
+ if (this.o.cancel) this.eH = this.o.cancel;
+ if (this.o.release) this.rH = this.o.release;
+
+ if (this.o.displayPrevious) {
+ this.pColor = this.h2rgba(this.o.fgColor, "0.4");
+ this.fgColor = this.h2rgba(this.o.fgColor, "0.6");
+ } else {
+ this.fgColor = this.o.fgColor;
+ }
+
+ return this;
+ };
+
+ this._clear = function () {
+ this.$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.$.val(this.o.format(this.v));
+ this._draw();
+ } else {
+ return this.v;
+ }
+ };
+
+ this.xy2val = function (x, y) {
+ var a, ret;
+
+ a = Math.atan2(
+ x - (this.x + this.w2),
+ - (y - this.y - this.w2)
+ ) - this.angleOffset;
+
+ if (this.o.flip) {
+ a = this.angleArc - a - this.PI2;
+ }
+
+ if (this.angleArc != this.PI2 && (a < 0) && (a > -0.5)) {
+
+ // if isset angleArc option, set to min if .5 under min
+ a = 0;
+ } else if (a < 0) {
+ a += this.PI2;
+ }
+
+ ret = (a * (this.o.max - this.o.min) / this.angleArc) + this.o.min;
+
+ this.o.stopper && (ret = max(min(ret, this.o.max), this.o.min));
+
+ return ret;
+ };
+
+ this.listen = function () {
+
+ // bind MouseWheel
+ var s = this, mwTimerStop,
+ mwTimerRelease,
+ mw = function (e) {
+ e.preventDefault();
+
+ var ori = e.originalEvent,
+ deltaX = ori.detail || ori.wheelDeltaX,
+ deltaY = ori.detail || ori.wheelDeltaY,
+ v = s._validate(s.o.parse(s.$.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(
+ "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.$.val()) + kv[kc] * m;
+ s.o.stopper && (v = max(min(v, s.o.max), s.o.min));
+
+ s.change(s._validate(v));
+ s._draw();
+
+ // long time keydown speed-up
+ to = window.setTimeout(function () {
+ m *= 2;
+ }, 30);
+ }
+ }
+ }
+ )
+ .bind(
+ "keyup",
+ function (e) {
+ if (isNaN(kval)) {
+ if (to) {
+ window.clearTimeout(to);
+ to = null;
+ m = 1;
+ s.val(s.$.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)
+ };
+
+ this.init = function () {
+ if (this.v < this.o.min
+ || this.v > this.o.max) { this.v = this.o.min; }
+
+ this.$.val(this.v);
+ this.w2 = this.w / 2;
+ this.cursorExt = this.o.cursor / 100;
+ this.xy = this.w2 * this.scale;
+ this.lineWidth = this.xy * this.o.thickness;
+ this.lineCap = this.o.lineCap;
+ this.radius = this.xy - this.lineWidth / 2;
+
+ this.o.angleOffset
+ && (this.o.angleOffset = isNaN(this.o.angleOffset) ? 0 : this.o.angleOffset);
+
+ this.o.angleArc
+ && (this.o.angleArc = isNaN(this.o.angleArc) ? this.PI2 : this.o.angleArc);
+
+ // deg to rad
+ this.angleOffset = this.o.angleOffset * Math.PI / 180;
+ this.angleArc = this.o.angleArc * Math.PI / 180;
+
+ // compute start and end angles
+ this.startAngle = 1.5 * Math.PI + this.angleOffset;
+ this.endAngle = 1.5 * Math.PI + this.angleOffset + this.angleArc;
+
+ var s = max(
+ String(Math.abs(this.o.max)).length,
+ String(Math.abs(this.o.min)).length,
+ 2
+ ) + 2;
+
+ this.o.displayInput
+ && this.i.css({
+ 'width' : ((this.w / 2 + 4) >> 0) + 'px',
+ 'height' : ((this.w / 3) >> 0) + 'px',
+ 'position' : 'absolute',
+ 'vertical-align' : 'middle',
+ 'margin-top' : ((this.w / 3) >> 0) + 'px',
+ 'margin-left' : '-' + ((this.w * 3 / 4 + 2) >> 0) + 'px',
+ 'border' : 0,
+ 'background' : 'none',
+ 'font' : this.o.fontWeight + ' ' + ((this.w / s) >> 0) + 'px ' + this.o.font,
+ 'text-align' : 'center',
+ 'color' : this.o.inputColor || this.o.fgColor,
+ 'padding' : '0px',
+ '-webkit-appearance': 'none'
+ }) || this.i.css({
+ 'width': '0px',
+ 'visibility': 'hidden'
+ });
+ };
+
+ this.change = function (v) {
+ this.cv = v;
+ this.$.val(this.o.format(v));
+ };
+
+ this.angle = function (v) {
+ return (v - this.o.min) * this.angleArc / (this.o.max - this.o.min);
+ };
+
+ 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
+ };
+ };
+
+ this.draw = function () {
+ var c = this.g, // context
+ a = this.arc(this.cv), // Arc
+ pa, // Previous arc
+ r = 1;
+
+ c.lineWidth = this.lineWidth;
+ c.lineCap = this.lineCap;
+
+ 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();
+ }
+
+ 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();
+ };
+
+}));
Code Review / stor4nfv.git / blobdiff