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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | espaco | 1 | /*!jQuery Knob*/ |
| 2 | /** |
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| 3 | * Downward compatible, touchable dial |
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| 4 | * |
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| 5 | * Version: 1.2.8 |
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| 6 | * Requires: jQuery v1.7+ |
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| 7 | * |
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| 8 | * Copyright (c) 2012 Anthony Terrien |
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| 9 | * Under MIT License (http://www.opensource.org/licenses/mit-license.php) |
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| 10 | * |
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| 11 | * Thanks to vor, eskimoblood, spiffistan, FabrizioC |
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| 12 | */ |
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| 13 | (function($) { |
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| 14 | |||
| 15 | /** |
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| 16 | * Kontrol library |
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| 17 | */ |
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| 18 | "use strict"; |
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| 19 | |||
| 20 | /** |
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| 21 | * Definition of globals and core |
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| 22 | */ |
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| 23 | var k = {}, // kontrol |
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| 24 | max = Math.max, |
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| 25 | min = Math.min; |
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| 26 | |||
| 27 | k.c = {}; |
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| 28 | k.c.d = $(document); |
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| 29 | k.c.t = function (e) { |
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| 30 | return e.originalEvent.touches.length - 1; |
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| 31 | }; |
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| 32 | |||
| 33 | /** |
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| 34 | * Kontrol Object |
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| 35 | * |
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| 36 | * Definition of an abstract UI control |
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| 37 | * |
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| 38 | * Each concrete component must call this one. |
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| 39 | * <code> |
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| 40 | * k.o.call(this); |
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| 41 | * </code> |
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| 42 | */ |
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| 43 | k.o = function () { |
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| 44 | var s = this; |
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| 45 | |||
| 46 | this.o = null; // array of options |
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| 47 | this.$ = null; // jQuery wrapped element |
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| 48 | this.i = null; // mixed HTMLInputElement or array of HTMLInputElement |
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| 49 | this.g = null; // deprecated 2D graphics context for 'pre-rendering' |
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| 50 | this.v = null; // value ; mixed array or integer |
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| 51 | this.cv = null; // change value ; not commited value |
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| 52 | this.x = 0; // canvas x position |
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| 53 | this.y = 0; // canvas y position |
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| 54 | this.w = 0; // canvas width |
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| 55 | this.h = 0; // canvas height |
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| 56 | this.$c = null; // jQuery canvas element |
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| 57 | this.c = null; // rendered canvas context |
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| 58 | this.t = 0; // touches index |
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| 59 | this.isInit = false; |
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| 60 | this.fgColor = null; // main color |
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| 61 | this.pColor = null; // previous color |
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| 62 | this.dH = null; // draw hook |
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| 63 | this.cH = null; // change hook |
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| 64 | this.eH = null; // cancel hook |
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| 65 | this.rH = null; // release hook |
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| 66 | this.scale = 1; // scale factor |
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| 67 | this.relative = false; |
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| 68 | this.relativeWidth = false; |
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| 69 | this.relativeHeight = false; |
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| 70 | this.$div = null; // component div |
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| 71 | |||
| 72 | this.run = function () { |
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| 73 | var cf = function (e, conf) { |
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| 74 | var k; |
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| 75 | for (k in conf) { |
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| 76 | s.o[k] = conf[k]; |
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| 77 | } |
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| 78 | s._carve().init(); |
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| 79 | s._configure() |
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| 80 | ._draw(); |
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| 81 | }; |
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| 82 | |||
| 83 | if(this.$.data('kontroled')) return; |
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| 84 | this.$.data('kontroled', true); |
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| 85 | |||
| 86 | this.extend(); |
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| 87 | this.o = $.extend( |
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| 88 | { |
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| 89 | // Config |
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| 90 | min : this.$.data('min') !== undefined ? this.$.data('min') : 0, |
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| 91 | max : this.$.data('max') !== undefined ? this.$.data('max') : 100, |
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| 92 | stopper : true, |
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| 93 | readOnly : this.$.data('readonly') || (this.$.attr('readonly') === 'readonly'), |
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| 94 | |||
| 95 | // UI |
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| 96 | cursor : (this.$.data('cursor') === true && 30) || |
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| 97 | this.$.data('cursor') || 0, |
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| 98 | thickness : ( |
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| 99 | this.$.data('thickness') && |
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| 100 | Math.max(Math.min(this.$.data('thickness'), 1), 0.01) |
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| 101 | ) || 0.35, |
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| 102 | lineCap : this.$.data('linecap') || 'butt', |
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| 103 | width : this.$.data('width') || 200, |
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| 104 | height : this.$.data('height') || 200, |
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| 105 | displayInput : this.$.data('displayinput') == null || this.$.data('displayinput'), |
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| 106 | displayPrevious : this.$.data('displayprevious'), |
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| 107 | fgColor : this.$.data('fgcolor') || '#87CEEB', |
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| 108 | inputColor: this.$.data('inputcolor'), |
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| 109 | font: this.$.data('font') || 'Arial', |
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| 110 | fontWeight: this.$.data('font-weight') || 'bold', |
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| 111 | inline : false, |
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| 112 | step : this.$.data('step') || 1, |
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| 113 | rotation: this.$.data('rotation'), |
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| 114 | |||
| 115 | // Hooks |
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| 116 | draw : null, // function () {} |
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| 117 | change : null, // function (value) {} |
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| 118 | cancel : null, // function () {} |
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| 119 | release : null, // function (value) {} |
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| 120 | |||
| 121 | // Output formatting, allows to add unit: %, ms ... |
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| 122 | format: function(v) { |
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| 123 | return v; |
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| 124 | }, |
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| 125 | parse: function (v) { |
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| 126 | return parseFloat(v); |
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| 127 | } |
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| 128 | }, this.o |
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| 129 | ); |
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| 130 | |||
| 131 | // finalize options |
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| 132 | this.o.flip = this.o.rotation === 'anticlockwise' || this.o.rotation === 'acw'; |
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| 133 | if(!this.o.inputColor) { |
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| 134 | this.o.inputColor = this.o.fgColor; |
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| 135 | } |
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| 136 | |||
| 137 | // routing value |
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| 138 | if(this.$.is('fieldset')) { |
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| 139 | |||
| 140 | // fieldset = array of integer |
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| 141 | this.v = {}; |
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| 142 | this.i = this.$.find('input'); |
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| 143 | this.i.each(function(k) { |
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| 144 | var $this = $(this); |
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| 145 | s.i[k] = $this; |
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| 146 | s.v[k] = s.o.parse($this.val()); |
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| 147 | |||
| 148 | $this.bind( |
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| 149 | 'change blur' |
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| 150 | , function () { |
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| 151 | var val = {}; |
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| 152 | val[k] = $this.val(); |
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| 153 | s.val(val); |
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| 154 | } |
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| 155 | ); |
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| 156 | }); |
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| 157 | this.$.find('legend').remove(); |
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| 158 | |||
| 159 | } else { |
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| 160 | |||
| 161 | // input = integer |
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| 162 | this.i = this.$; |
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| 163 | this.v = this.o.parse(this.$.val()); |
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| 164 | (this.v === '') && (this.v = this.o.min); |
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| 165 | |||
| 166 | this.$.bind( |
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| 167 | 'change blur' |
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| 168 | , function () { |
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| 169 | s.val(s._validate(s.o.parse(s.$.val()))); |
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| 170 | } |
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| 171 | ); |
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| 172 | |||
| 173 | } |
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| 174 | |||
| 175 | (!this.o.displayInput) && this.$.hide(); |
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| 176 | |||
| 177 | // adds needed DOM elements (canvas, div) |
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| 178 | this.$c = $(document.createElement('canvas')).attr({ |
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| 179 | width: this.o.width, |
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| 180 | height: this.o.height |
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| 181 | }); |
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| 182 | |||
| 183 | // wraps all elements in a div |
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| 184 | // add to DOM before Canvas init is triggered |
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| 185 | this.$div = $('<div style="' |
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| 186 | + (this.o.inline ? 'display:inline;' : '') |
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| 187 | + 'width:' + this.o.width + 'px;height:' + this.o.height + 'px;' |
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| 188 | + '"></div>'); |
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| 189 | |||
| 190 | this.$.wrap(this.$div).before(this.$c); |
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| 191 | this.$div = this.$.parent(); |
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| 192 | |||
| 193 | if (typeof G_vmlCanvasManager !== 'undefined') { |
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| 194 | G_vmlCanvasManager.initElement(this.$c[0]); |
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| 195 | } |
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| 196 | |||
| 197 | this.c = this.$c[0].getContext ? this.$c[0].getContext('2d') : null; |
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| 198 | |||
| 199 | if (!this.c) { |
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| 200 | throw { |
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| 201 | name: "CanvasNotSupportedException", |
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| 202 | message: "Canvas not supported. Please use excanvas on IE8.0.", |
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| 203 | toString: function(){return this.name + ": " + this.message} |
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| 204 | } |
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| 205 | } |
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| 206 | |||
| 207 | // hdpi support |
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| 208 | this.scale = (window.devicePixelRatio || 1) / |
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| 209 | ( |
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| 210 | this.c.webkitBackingStorePixelRatio || |
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| 211 | this.c.mozBackingStorePixelRatio || |
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| 212 | this.c.msBackingStorePixelRatio || |
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| 213 | this.c.oBackingStorePixelRatio || |
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| 214 | this.c.backingStorePixelRatio || 1 |
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| 215 | ); |
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| 216 | |||
| 217 | // detects relative width / height |
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| 218 | this.relativeWidth = ((this.o.width % 1 !== 0) && |
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| 219 | this.o.width.indexOf('%')); |
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| 220 | this.relativeHeight = ((this.o.height % 1 !== 0) && |
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| 221 | this.o.height.indexOf('%')); |
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| 222 | this.relative = (this.relativeWidth || this.relativeHeight); |
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| 223 | |||
| 224 | // computes size and carves the component |
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| 225 | this._carve(); |
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| 226 | |||
| 227 | // prepares props for transaction |
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| 228 | if (this.v instanceof Object) { |
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| 229 | this.cv = {}; |
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| 230 | this.copy(this.v, this.cv); |
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| 231 | } else { |
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| 232 | this.cv = this.v; |
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| 233 | } |
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| 234 | |||
| 235 | // binds configure event |
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| 236 | this.$ |
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| 237 | .bind("configure", cf) |
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| 238 | .parent() |
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| 239 | .bind("configure", cf); |
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| 240 | |||
| 241 | // finalize init |
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| 242 | this._listen() |
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| 243 | ._configure() |
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| 244 | ._xy() |
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| 245 | .init(); |
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| 246 | |||
| 247 | this.isInit = true; |
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| 248 | |||
| 249 | this.$.val(this.o.format(this.v)); |
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| 250 | this._draw(); |
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| 251 | |||
| 252 | return this; |
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| 253 | }; |
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| 254 | |||
| 255 | this._carve = function() { |
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| 256 | if(this.relative) { |
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| 257 | var w = this.relativeWidth ? |
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| 258 | this.$div.parent().width() * |
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| 259 | parseInt(this.o.width) / 100 : |
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| 260 | this.$div.parent().width(), |
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| 261 | h = this.relativeHeight ? |
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| 262 | this.$div.parent().height() * |
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| 263 | parseInt(this.o.height) / 100 : |
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| 264 | this.$div.parent().height(); |
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| 265 | |||
| 266 | // apply relative |
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| 267 | this.w = this.h = Math.min(w, h); |
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| 268 | } else { |
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| 269 | this.w = this.o.width; |
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| 270 | this.h = this.o.height; |
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| 271 | } |
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| 272 | |||
| 273 | // finalize div |
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| 274 | this.$div.css({ |
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| 275 | 'width': this.w + 'px', |
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| 276 | 'height': this.h + 'px' |
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| 277 | }); |
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| 278 | |||
| 279 | // finalize canvas with computed width |
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| 280 | this.$c.attr({ |
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| 281 | width: this.w, |
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| 282 | height: this.h |
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| 283 | }); |
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| 284 | |||
| 285 | // scaling |
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| 286 | if (this.scale !== 1) { |
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| 287 | this.$c[0].width = this.$c[0].width * this.scale; |
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| 288 | this.$c[0].height = this.$c[0].height * this.scale; |
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| 289 | this.$c.width(this.w); |
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| 290 | this.$c.height(this.h); |
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| 291 | } |
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| 292 | |||
| 293 | return this; |
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| 294 | } |
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| 295 | |||
| 296 | this._draw = function () { |
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| 297 | |||
| 298 | // canvas pre-rendering |
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| 299 | var d = true; |
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| 300 | |||
| 301 | s.g = s.c; |
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| 302 | |||
| 303 | s.clear(); |
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| 304 | |||
| 305 | s.dH |
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| 306 | && (d = s.dH()); |
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| 307 | |||
| 308 | (d !== false) && s.draw(); |
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| 309 | |||
| 310 | }; |
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| 311 | |||
| 312 | this._touch = function (e) { |
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| 313 | |||
| 314 | var touchMove = function (e) { |
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| 315 | |||
| 316 | var v = s.xy2val( |
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| 317 | e.originalEvent.touches[s.t].pageX, |
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| 318 | e.originalEvent.touches[s.t].pageY |
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| 319 | ); |
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| 320 | |||
| 321 | if (v == s.cv) return; |
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| 322 | |||
| 323 | if (s.cH && (s.cH(v) === false)) return; |
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| 324 | |||
| 325 | s.change(s._validate(v)); |
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| 326 | s._draw(); |
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| 327 | }; |
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| 328 | |||
| 329 | // get touches index |
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| 330 | this.t = k.c.t(e); |
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| 331 | |||
| 332 | // First touch |
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| 333 | touchMove(e); |
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| 334 | |||
| 335 | // Touch events listeners |
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| 336 | k.c.d |
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| 337 | .bind("touchmove.k", touchMove) |
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| 338 | .bind( |
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| 339 | "touchend.k" |
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| 340 | , function () { |
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| 341 | k.c.d.unbind('touchmove.k touchend.k'); |
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| 342 | s.val(s.cv); |
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| 343 | } |
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| 344 | ); |
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| 345 | |||
| 346 | return this; |
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| 347 | }; |
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| 348 | |||
| 349 | this._mouse = function (e) { |
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| 350 | |||
| 351 | var mouseMove = function (e) { |
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| 352 | var v = s.xy2val(e.pageX, e.pageY); |
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| 353 | |||
| 354 | if (v == s.cv) return; |
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| 355 | |||
| 356 | if (s.cH && (s.cH(v) === false)) return; |
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| 357 | |||
| 358 | s.change(s._validate(v)); |
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| 359 | s._draw(); |
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| 360 | }; |
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| 361 | |||
| 362 | // First click |
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| 363 | mouseMove(e); |
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| 364 | |||
| 365 | // Mouse events listeners |
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| 366 | k.c.d |
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| 367 | .bind("mousemove.k", mouseMove) |
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| 368 | .bind( |
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| 369 | // Escape key cancel current change |
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| 370 | "keyup.k" |
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| 371 | , function (e) { |
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| 372 | if (e.keyCode === 27) { |
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| 373 | k.c.d.unbind("mouseup.k mousemove.k keyup.k"); |
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| 374 | |||
| 375 | if ( |
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| 376 | s.eH |
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| 377 | && (s.eH() === false) |
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| 378 | ) return; |
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| 379 | |||
| 380 | s.cancel(); |
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| 381 | } |
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| 382 | } |
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| 383 | ) |
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| 384 | .bind( |
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| 385 | "mouseup.k" |
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| 386 | , function (e) { |
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| 387 | k.c.d.unbind('mousemove.k mouseup.k keyup.k'); |
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| 388 | s.val(s.cv); |
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| 389 | } |
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| 390 | ); |
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| 391 | |||
| 392 | return this; |
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| 393 | }; |
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| 394 | |||
| 395 | this._xy = function () { |
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| 396 | var o = this.$c.offset(); |
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| 397 | this.x = o.left; |
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| 398 | this.y = o.top; |
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| 399 | return this; |
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| 400 | }; |
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| 401 | |||
| 402 | this._listen = function () { |
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| 403 | |||
| 404 | if (!this.o.readOnly) { |
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| 405 | this.$c |
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| 406 | .bind( |
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| 407 | "mousedown" |
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| 408 | , function (e) { |
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| 409 | e.preventDefault(); |
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| 410 | s._xy()._mouse(e); |
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| 411 | } |
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| 412 | ) |
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| 413 | .bind( |
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| 414 | "touchstart" |
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| 415 | , function (e) { |
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| 416 | e.preventDefault(); |
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| 417 | s._xy()._touch(e); |
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| 418 | } |
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| 419 | ); |
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| 420 | |||
| 421 | this.listen(); |
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| 422 | } else { |
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| 423 | this.$.attr('readonly', 'readonly'); |
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| 424 | } |
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| 425 | |||
| 426 | if(this.relative) { |
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| 427 | $(window).resize(function() { |
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| 428 | s._carve() |
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| 429 | .init(); |
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| 430 | s._draw(); |
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| 431 | }); |
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| 432 | } |
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| 433 | |||
| 434 | return this; |
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| 435 | }; |
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| 436 | |||
| 437 | this._configure = function () { |
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| 438 | |||
| 439 | // Hooks |
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| 440 | if (this.o.draw) this.dH = this.o.draw; |
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| 441 | if (this.o.change) this.cH = this.o.change; |
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| 442 | if (this.o.cancel) this.eH = this.o.cancel; |
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| 443 | if (this.o.release) this.rH = this.o.release; |
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| 444 | |||
| 445 | if (this.o.displayPrevious) { |
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| 446 | this.pColor = this.h2rgba(this.o.fgColor, "0.4"); |
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| 447 | this.fgColor = this.h2rgba(this.o.fgColor, "0.6"); |
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| 448 | } else { |
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| 449 | this.fgColor = this.o.fgColor; |
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| 450 | } |
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| 451 | |||
| 452 | return this; |
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| 453 | }; |
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| 454 | |||
| 455 | this._clear = function () { |
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| 456 | this.$c[0].width = this.$c[0].width; |
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| 457 | }; |
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| 458 | |||
| 459 | this._validate = function(v) { |
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| 460 | return (~~ (((v < 0) ? -0.5 : 0.5) + (v/this.o.step))) * this.o.step; |
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| 461 | }; |
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| 462 | |||
| 463 | // Abstract methods |
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| 464 | this.listen = function () {}; // on start, one time |
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| 465 | this.extend = function () {}; // each time configure triggered |
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| 466 | this.init = function () {}; // each time configure triggered |
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| 467 | this.change = function (v) {}; // on change |
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| 468 | this.val = function (v) {}; // on release |
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| 469 | this.xy2val = function (x, y) {}; // |
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| 470 | this.draw = function () {}; // on change / on release |
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| 471 | this.clear = function () { this._clear(); }; |
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| 472 | |||
| 473 | // Utils |
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| 474 | this.h2rgba = function (h, a) { |
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| 475 | var rgb; |
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| 476 | h = h.substring(1,7) |
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| 477 | rgb = [parseInt(h.substring(0,2),16) |
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| 478 | ,parseInt(h.substring(2,4),16) |
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| 479 | ,parseInt(h.substring(4,6),16)]; |
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| 480 | return "rgba(" + rgb[0] + "," + rgb[1] + "," + rgb[2] + "," + a + ")"; |
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| 481 | }; |
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| 482 | |||
| 483 | this.copy = function (f, t) { |
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| 484 | for (var i in f) { t[i] = f[i]; } |
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| 485 | }; |
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| 486 | }; |
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| 487 | |||
| 488 | |||
| 489 | /** |
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| 490 | * k.Dial |
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| 491 | */ |
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| 492 | k.Dial = function () { |
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| 493 | k.o.call(this); |
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| 494 | |||
| 495 | this.startAngle = null; |
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| 496 | this.xy = null; |
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| 497 | this.radius = null; |
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| 498 | this.lineWidth = null; |
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| 499 | this.cursorExt = null; |
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| 500 | this.w2 = null; |
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| 501 | this.PI2 = 2*Math.PI; |
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| 502 | |||
| 503 | this.extend = function () { |
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| 504 | this.o = $.extend( |
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| 505 | { |
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| 506 | bgColor : this.$.data('bgcolor') || '#EEEEEE', |
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| 507 | angleOffset : this.$.data('angleoffset') || 0, |
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| 508 | angleArc : this.$.data('anglearc') || 360, |
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| 509 | inline : true |
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| 510 | }, this.o |
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| 511 | ); |
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| 512 | }; |
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| 513 | |||
| 514 | this.val = function (v, triggerRelease) { |
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| 515 | if (null != v) { |
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| 516 | |||
| 517 | // reverse format |
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| 518 | v = this.o.parse(v); |
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| 519 | |||
| 520 | if ( |
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| 521 | triggerRelease !== false && (v != this.v) && this.rH && |
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| 522 | (this.rH(v) === false) |
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| 523 | ) return; |
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| 524 | |||
| 525 | this.cv = this.o.stopper ? max(min(v, this.o.max), this.o.min) : v; |
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| 526 | this.v = this.cv; |
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| 527 | this.$.val(this.o.format(this.v)); |
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| 528 | this._draw(); |
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| 529 | } else { |
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| 530 | return this.v; |
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| 531 | } |
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| 532 | }; |
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| 533 | |||
| 534 | this.xy2val = function (x, y) { |
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| 535 | var a, ret; |
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| 536 | |||
| 537 | a = Math.atan2( |
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| 538 | x - (this.x + this.w2) |
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| 539 | , - (y - this.y - this.w2) |
||
| 540 | ) - this.angleOffset; |
||
| 541 | |||
| 542 | if (this.o.flip) { |
||
| 543 | a = this.angleArc - a - this.PI2; |
||
| 544 | } |
||
| 545 | |||
| 546 | if(this.angleArc != this.PI2 && (a < 0) && (a > -0.5)) { |
||
| 547 | // if isset angleArc option, set to min if .5 under min |
||
| 548 | a = 0; |
||
| 549 | } else if (a < 0) { |
||
| 550 | a += this.PI2; |
||
| 551 | } |
||
| 552 | |||
| 553 | ret = ~~ (0.5 + (a * (this.o.max - this.o.min) / this.angleArc)) |
||
| 554 | + this.o.min; |
||
| 555 | |||
| 556 | this.o.stopper && (ret = max(min(ret, this.o.max), this.o.min)); |
||
| 557 | |||
| 558 | return ret; |
||
| 559 | }; |
||
| 560 | |||
| 561 | this.listen = function () { |
||
| 562 | // bind MouseWheel |
||
| 563 | var s = this, mwTimerStop, mwTimerRelease, |
||
| 564 | mw = function (e) { |
||
| 565 | e.preventDefault(); |
||
| 566 | |||
| 567 | var ori = e.originalEvent |
||
| 568 | ,deltaX = ori.detail || ori.wheelDeltaX |
||
| 569 | ,deltaY = ori.detail || ori.wheelDeltaY |
||
| 570 | ,v = s._validate(s.o.parse(s.$.val())) |
||
| 571 | + (deltaX>0 || deltaY>0 ? s.o.step : deltaX<0 || deltaY<0 ? -s.o.step : 0); |
||
| 572 | |||
| 573 | v = max(min(v, s.o.max), s.o.min); |
||
| 574 | |||
| 575 | s.val(v, false); |
||
| 576 | |||
| 577 | if(s.rH) { |
||
| 578 | // Handle mousewheel stop |
||
| 579 | clearTimeout(mwTimerStop); |
||
| 580 | mwTimerStop = setTimeout(function() { |
||
| 581 | s.rH(v); |
||
| 582 | mwTimerStop = null; |
||
| 583 | }, 100); |
||
| 584 | |||
| 585 | // Handle mousewheel releases |
||
| 586 | if(!mwTimerRelease) { |
||
| 587 | mwTimerRelease = setTimeout(function() { |
||
| 588 | if(mwTimerStop) s.rH(v); |
||
| 589 | mwTimerRelease = null; |
||
| 590 | }, 200); |
||
| 591 | } |
||
| 592 | } |
||
| 593 | } |
||
| 594 | , kval, to, m = 1, kv = {37:-s.o.step, 38:s.o.step, 39:s.o.step, 40:-s.o.step}; |
||
| 595 | |||
| 596 | this.$ |
||
| 597 | .bind( |
||
| 598 | "keydown" |
||
| 599 | ,function (e) { |
||
| 600 | var kc = e.keyCode; |
||
| 601 | |||
| 602 | // numpad support |
||
| 603 | if(kc >= 96 && kc <= 105) { |
||
| 604 | kc = e.keyCode = kc - 48; |
||
| 605 | } |
||
| 606 | |||
| 607 | kval = parseInt(String.fromCharCode(kc)); |
||
| 608 | |||
| 609 | if (isNaN(kval)) { |
||
| 610 | |||
| 611 | (kc !== 13) // enter |
||
| 612 | && (kc !== 8) // bs |
||
| 613 | && (kc !== 9) // tab |
||
| 614 | && (kc !== 189) // - |
||
| 615 | && (kc !== 190 || s.$.val().match(/\./)) // . only allowed once |
||
| 616 | && e.preventDefault(); |
||
| 617 | |||
| 618 | // arrows |
||
| 619 | if ($.inArray(kc,[37,38,39,40]) > -1) { |
||
| 620 | e.preventDefault(); |
||
| 621 | |||
| 622 | var v = s.o.parse(s.$.val()) + kv[kc] * m; |
||
| 623 | s.o.stopper && (v = max(min(v, s.o.max), s.o.min)); |
||
| 624 | |||
| 625 | s.change(v); |
||
| 626 | s._draw(); |
||
| 627 | |||
| 628 | // long time keydown speed-up |
||
| 629 | to = window.setTimeout( |
||
| 630 | function () { m *= 2; }, 30 |
||
| 631 | ); |
||
| 632 | } |
||
| 633 | } |
||
| 634 | } |
||
| 635 | ) |
||
| 636 | .bind( |
||
| 637 | "keyup" |
||
| 638 | ,function (e) { |
||
| 639 | if (isNaN(kval)) { |
||
| 640 | if (to) { |
||
| 641 | window.clearTimeout(to); |
||
| 642 | to = null; |
||
| 643 | m = 1; |
||
| 644 | s.val(s.$.val()); |
||
| 645 | } |
||
| 646 | } else { |
||
| 647 | // kval postcond |
||
| 648 | (s.$.val() > s.o.max && s.$.val(s.o.max)) |
||
| 649 | || (s.$.val() < s.o.min && s.$.val(s.o.min)); |
||
| 650 | } |
||
| 651 | |||
| 652 | } |
||
| 653 | ); |
||
| 654 | |||
| 655 | //this.$c.bind("mousewheel DOMMouseScroll", mw); |
||
| 656 | //this.$.bind("mousewheel DOMMouseScroll", mw) |
||
| 657 | }; |
||
| 658 | |||
| 659 | this.init = function () { |
||
| 660 | |||
| 661 | if ( |
||
| 662 | this.v < this.o.min |
||
| 663 | || this.v > this.o.max |
||
| 664 | ) this.v = this.o.min; |
||
| 665 | |||
| 666 | this.$.val(this.v); |
||
| 667 | this.w2 = this.w / 2; |
||
| 668 | this.cursorExt = this.o.cursor / 100; |
||
| 669 | this.xy = this.w2 * this.scale; |
||
| 670 | this.lineWidth = this.xy * this.o.thickness; |
||
| 671 | this.lineCap = this.o.lineCap; |
||
| 672 | this.radius = this.xy - this.lineWidth / 2; |
||
| 673 | |||
| 674 | this.o.angleOffset |
||
| 675 | && (this.o.angleOffset = isNaN(this.o.angleOffset) ? 0 : this.o.angleOffset); |
||
| 676 | |||
| 677 | this.o.angleArc |
||
| 678 | && (this.o.angleArc = isNaN(this.o.angleArc) ? this.PI2 : this.o.angleArc); |
||
| 679 | |||
| 680 | // deg to rad |
||
| 681 | this.angleOffset = this.o.angleOffset * Math.PI / 180; |
||
| 682 | this.angleArc = this.o.angleArc * Math.PI / 180; |
||
| 683 | |||
| 684 | // compute start and end angles |
||
| 685 | this.startAngle = 1.5 * Math.PI + this.angleOffset; |
||
| 686 | this.endAngle = 1.5 * Math.PI + this.angleOffset + this.angleArc; |
||
| 687 | |||
| 688 | var s = max( |
||
| 689 | String(Math.abs(this.o.max)).length |
||
| 690 | , String(Math.abs(this.o.min)).length |
||
| 691 | , 2 |
||
| 692 | ) + 2; |
||
| 693 | |||
| 694 | this.o.displayInput |
||
| 695 | && this.i.css({ |
||
| 696 | 'width' : ((this.w / 2 + 4) >> 0) + 'px' |
||
| 697 | ,'height' : ((this.w / 3) >> 0) + 'px' |
||
| 698 | ,'position' : 'absolute' |
||
| 699 | ,'vertical-align' : 'middle' |
||
| 700 | ,'margin-top' : ((this.w / 3) >> 0) + 'px' |
||
| 701 | ,'margin-left' : '-' + ((this.w * 3 / 4 + 2) >> 0) + 'px' |
||
| 702 | ,'border' : 0 |
||
| 703 | ,'background' : 'none' |
||
| 704 | ,'font' : this.o.fontWeight + ' ' + ((this.w / s) >> 0) + 'px ' + this.o.font |
||
| 705 | ,'text-align' : 'center' |
||
| 706 | ,'color' : this.o.inputColor || this.o.fgColor |
||
| 707 | ,'padding' : '0px' |
||
| 708 | ,'-webkit-appearance': 'none' |
||
| 709 | }) |
||
| 710 | || this.i.css({ |
||
| 711 | 'width' : '0px' |
||
| 712 | ,'visibility' : 'hidden' |
||
| 713 | }); |
||
| 714 | }; |
||
| 715 | |||
| 716 | this.change = function (v) { |
||
| 717 | this.cv = v; |
||
| 718 | this.$.val(this.o.format(v)); |
||
| 719 | }; |
||
| 720 | |||
| 721 | this.angle = function (v) { |
||
| 722 | return (v - this.o.min) * this.angleArc / (this.o.max - this.o.min); |
||
| 723 | }; |
||
| 724 | |||
| 725 | this.arc = function (v) { |
||
| 726 | var sa, ea; |
||
| 727 | v = this.angle(v); |
||
| 728 | if (this.o.flip) { |
||
| 729 | sa = this.endAngle + 0.00001; |
||
| 730 | ea = sa - v - 0.00001; |
||
| 731 | } else { |
||
| 732 | sa = this.startAngle - 0.00001; |
||
| 733 | ea = sa + v + 0.00001; |
||
| 734 | } |
||
| 735 | this.o.cursor |
||
| 736 | && (sa = ea - this.cursorExt) |
||
| 737 | && (ea = ea + this.cursorExt); |
||
| 738 | return { |
||
| 739 | s: sa, |
||
| 740 | e: ea, |
||
| 741 | d: this.o.flip && !this.o.cursor |
||
| 742 | }; |
||
| 743 | }; |
||
| 744 | |||
| 745 | this.draw = function () { |
||
| 746 | |||
| 747 | var c = this.g, // context |
||
| 748 | a = this.arc(this.cv) // Arc |
||
| 749 | , pa // Previous arc |
||
| 750 | , r = 1; |
||
| 751 | |||
| 752 | c.lineWidth = this.lineWidth; |
||
| 753 | c.lineCap = this.lineCap; |
||
| 754 | |||
| 755 | c.beginPath(); |
||
| 756 | c.strokeStyle = this.o.bgColor; |
||
| 757 | c.arc(this.xy, this.xy, this.radius, this.endAngle - 0.00001, this.startAngle + 0.00001, true); |
||
| 758 | c.stroke(); |
||
| 759 | |||
| 760 | if (this.o.displayPrevious) { |
||
| 761 | pa = this.arc(this.v); |
||
| 762 | c.beginPath(); |
||
| 763 | c.strokeStyle = this.pColor; |
||
| 764 | c.arc(this.xy, this.xy, this.radius, pa.s, pa.e, pa.d); |
||
| 765 | c.stroke(); |
||
| 766 | r = (this.cv == this.v); |
||
| 767 | } |
||
| 768 | |||
| 769 | c.beginPath(); |
||
| 770 | c.strokeStyle = r ? this.o.fgColor : this.fgColor ; |
||
| 771 | c.arc(this.xy, this.xy, this.radius, a.s, a.e, a.d); |
||
| 772 | c.stroke(); |
||
| 773 | }; |
||
| 774 | |||
| 775 | this.cancel = function () { |
||
| 776 | this.val(this.v); |
||
| 777 | }; |
||
| 778 | }; |
||
| 779 | |||
| 780 | $.fn.dial = $.fn.knob = function (o) { |
||
| 781 | return this.each( |
||
| 782 | function () { |
||
| 783 | var d = new k.Dial(); |
||
| 784 | d.o = o; |
||
| 785 | d.$ = $(this); |
||
| 786 | d.run(); |
||
| 787 | } |
||
| 788 | ).parent(); |
||
| 789 | }; |
||
| 790 | |||
| 791 | })(jQuery); |