vendor: 6,422 bytes, lines 1-184
1/*!jQuery Knob*/ 2/** 3 * Downward compatible, touchable dial 4 * 5 * Version: 1.2.8 6 * Requires: jQuery v1.7+ 7 * 8 * Copyright (c) 2012 Anthony Terrien 9 * Under MIT License (http://www.opensource.org/licenses/mit-license.php) 10 * 11 * Thanks to vor, eskimoblood, spiffistan, FabrizioC 12 */ 13(function($) { 14 15 /** 16 * Kontrol library 17 */ 18 "use strict"; 19 20 /** 21 * Definition of globals and core 22 */ 23 var k = {}, // kontrol 24 max = Math.max, 25 min = Math.min; 26 27 k.c = {}; 28 k.c.d = $(document); 29 k.c.t = function (e) { 30 return e.originalEvent.touches.length - 1; 31 }; 32 33 /** 34 * Kontrol Object 35 * 36 * Definition of an abstract UI control 37 * 38 * Each concrete component must call this one. 39 * <code> 40 * k.o.call(this); 41 * </code> 42 */ 43 k.o = function () { 44 var s = this; 45 46 this.o = null; // array of options 47 this.$ = null; // jQuery wrapped element 48 this.i = null; // mixed HTMLInputElement or array of HTMLInputElement 49 this.g = null; // deprecated 2D graphics context for 'pre-rendering' 50 this.v = null; // value ; mixed array or integer 51 this.cv = null; // change value ; not commited value 52 this.x = 0; // canvas x position 53 this.y = 0; // canvas y position 54 this.w = 0; // canvas width 55 this.h = 0; // canvas height 56 this.$c = null; // jQuery canvas element 57 this.c = null; // rendered canvas context 58 this.t = 0; // touches index 59 this.isInit = false; 60 this.fgColor = null; // main color 61 this.pColor = null; // previous color 62 this.dH = null; // draw hook 63 this.cH = null; // change hook 64 this.eH = null; // cancel hook 65 this.rH = null; // release hook 66 this.scale = 1; // scale factor 67 this.relative = false; 68 this.relativeWidth = false; 69 this.relativeHeight = false; 70 this.$div = null; // component div 71 72 this.run = function () { 73 var cf = function (e, conf) { 74 var k; 75 for (k in conf) { 76 s.o[k] = conf[k]; 77 } 78 s._carve().init(); 79 s._configure() 80 ._draw(); 81 }; 82 83 if(this.$.data('kontroled')) return; 84 this.$.data('kontroled', true); 85 86 this.extend(); 87 this.o = $.extend( 88 { 89 // Config 90 min : this.$.data('min') !== undefined ? this.$.data('min') : 0, 91 max : this.$.data('max') !== undefined ? this.$.data('max') : 100, 92 stopper : true, 93 readOnly : this.$.data('readonly') || (this.$.attr('readonly') === 'readonly'), 94 95 // UI 96 cursor : (this.$.data('cursor') === true && 30) || 97 this.$.data('cursor') || 0, 98 thickness : ( 99 this.$.data('thickness') && 100 Math.max(Math.min(this.$.data('thickness'), 1), 0.01) 101 ) || 0.35, 102 lineCap : this.$.data('linecap') || 'butt', 103 width : this.$.data('width') || 200, 104 height : this.$.data('height') || 200, 105 displayInput : this.$.data('displayinput') == null || this.$.data('displayinput'), 106 displayPrevious : this.$.data('displayprevious'), 107 fgColor : this.$.data('fgcolor') || '#87CEEB', 108 inputColor: this.$.data('inputcolor'), 109 font: this.$.data('font') || 'Arial', 110 fontWeight: this.$.data('font-weight') || 'bold', 111 inline : false, 112 step : this.$.data('step') || 1, 113 rotation: this.$.data('rotation'), 114 115 // Hooks 116 draw : null, // function () {} 117 change : null, // function (value) {} 118 cancel : null, // function () {} 119 release : null, // function (value) {} 120 121 // Output formatting, allows to add unit: %, ms ... 122 format: function(v) { 123 return v; 124 }, 125 parse: function (v) { 126 return parseFloat(v); 127 } 128 }, this.o 129 ); 130 131 // finalize options 132 this.o.flip = this.o.rotation === 'anticlockwise' || this.o.rotation === 'acw'; 133 if(!this.o.inputColor) { 134 this.o.inputColor = this.o.fgColor; 135 } 136 137 // routing value 138 if(this.$.is('fieldset')) { 139 140 // fieldset = array of integer 141 this.v = {}; 142 this.i = this.$.find('input'); 143 this.i.each(function(k) { 144 var $this = $(this); 145 s.i[k] = $this; 146 s.v[k] = s.o.parse($this.val()); 147 148 $this.bind( 149 'change blur' 150 , function () { 151 var val = {}; 152 val[k] = $this.val(); 153 s.val(val); 154 } 155 ); 156 }); 157 this.$.find('legend').remove(); 158 159 } else { 160 161 // input = integer 162 this.i = this.$; 163 this.v = this.o.parse(this.$.val()); 164 (this.v === '') && (this.v = this.o.min); 165 166 this.$.bind( 167 'change blur' 168 , function () { 169 s.val(s._validate(s.o.parse(s.$.val()))); 170 } 171 ); 172 173 } 174 175 (!this.o.displayInput) && this.$.hide(); 176 177 // adds needed DOM elements (canvas, div) 178 this.$c = $(document.createElement('canvas')).attr({ 179 width: this.o.width, 180 height: this.o.height 181 }); 182 183 // wraps all elements in a div 184 // add to DOM before Canvas init is triggered
185 this.$div = $('<div style="' 186 + (this.o.inline ? 'display:inline;' : '') 187 + 'width:' + this.o.width + 'px;height:' + this.o.height + 'px;' 188 + '"></div>'); 189 190 this.$.wrap(this.$div).before(this.$c); 191 this.$div = this.$.parent(); 192 193 if (typeof G_vmlCanvasManager !== 'undefined') { 194 G_vmlCanvasManager.initElement(this.$c[0]); 195 } 196 197 this.c = this.$c[0].getContext ? this.$c[0].getContext('2d') : null; 198 199 if (!this.c) { 200 throw { 201 name: "CanvasNotSupportedException", 202 message: "Canvas not supported. Please use excanvas on IE8.0.", 203 toString: function(){return this.name + ": " + this.message} 204 } 205 } 206 207 // hdpi support 208 this.scale = (window.devicePixelRatio || 1) / 209 ( 210 this.c.webkitBackingStorePixelRatio || 211 this.c.mozBackingStorePixelRatio || 212 this.c.msBackingStorePixelRatio || 213 this.c.oBackingStorePixelRatio || 214 this.c.backingStorePixelRatio || 1 215 ); 216 217 // detects relative width / height 218 this.relativeWidth = ((this.o.width % 1 !== 0) && 219 this.o.width.indexOf('%')); 220 this.relativeHeight = ((this.o.height % 1 !== 0) && 221 this.o.height.indexOf('%')); 222 this.relative = (this.relativeWidth || this.relativeHeight); 223 224 // computes size and carves the component 225 this._carve(); 226 227 // prepares props for transaction 228 if (this.v instanceof Object) { 229 this.cv = {}; 230 this.copy(this.v, this.cv); 231 } else { 232 this.cv = this.v; 233 } 234 235 // binds configure event 236 this.$ 237 .bind("configure", cf) 238 .parent() 239 .bind("configure", cf); 240 241 // finalize init 242 this._listen() 243 ._configure() 244 ._xy() 245 .init(); 246 247 this.isInit = true; 248 249 this.$.val(this.o.format(this.v)); 250 this._draw(); 251 252 return this; 253 }; 254 255 this._carve = function() { 256 if(this.relative) { 257 var w = this.relativeWidth ? 258 this.$div.parent().width() * 259 parseInt(this.o.width) / 100 : 260 this.$div.parent().width(), 261 h = this.relativeHeight ? 262 this.$div.parent().height() * 263 parseInt(this.o.height) / 100 : 264 this.$div.parent().height(); 265 266 // apply relative 267 this.w = this.h = Math.min(w, h); 268 } else { 269 this.w = this.o.width; 270 this.h = this.o.height; 271 } 272 273 // finalize div 274 this.$div.css({ 275 'width': this.w + 'px', 276 'height': this.h + 'px' 277 }); 278 279 // finalize canvas with computed width 280 this.$c.attr({ 281 width: this.w, 282 height: this.h 283 }); 284 285 // scaling 286 if (this.scale !== 1) { 287 this.$c[0].width = this.$c[0].width * this.scale; 288 this.$c[0].height = this.$c[0].height * this.scale; 289 this.$c.width(this.w); 290 this.$c.height(this.h); 291 } 292 293 return this; 294 } 295 296 this._draw = function () { 297 298 // canvas pre-rendering 299 var d = true; 300 301 s.g = s.c; 302 303 s.clear(); 304 305 s.dH 306 && (d = s.dH()); 307 308 (d !== false) && s.draw(); 309 310 }; 311 312 this._touch = function (e) { 313 314 var touchMove = function (e) { 315 316 var v = s.xy2val( 317 e.originalEvent.touches[s.t].pageX, 318 e.originalEvent.touches[s.t].pageY 319 ); 320 321 if (v == s.cv) return; 322 323 if (s.cH && (s.cH(v) === false)) return; 324 325 s.change(s._validate(v));
326 s._draw(); 327 }; 328 329 // get touches index 330 this.t = k.c.t(e); 331 332 // First touch 333 touchMove(e); 334 335 // Touch events listeners 336 k.c.d 337 .bind("touchmove.k", touchMove) 338 .bind( 339 "touchend.k" 340 , function () { 341 k.c.d.unbind('touchmove.k touchend.k'); 342 s.val(s.cv); 343 } 344 ); 345 346 return this; 347 }; 348 349 this._mouse = function (e) { 350 351 var mouseMove = function (e) { 352 var v = s.xy2val(e.pageX, e.pageY); 353 354 if (v == s.cv) return; 355 356 if (s.cH && (s.cH(v) === false)) return; 357 358 s.change(s._validate(v)); 359 s._draw(); 360 }; 361 362 // First click 363 mouseMove(e); 364 365 // Mouse events listeners 366 k.c.d 367 .bind("mousemove.k", mouseMove) 368 .bind( 369 // Escape key cancel current change 370 "keyup.k" 371 , function (e) { 372 if (e.keyCode === 27) { 373 k.c.d.unbind("mouseup.k mousemove.k keyup.k"); 374 375 if ( 376 s.eH 377 && (s.eH() === false) 378 ) return; 379 380 s.cancel(); 381 } 382 } 383 ) 384 .bind( 385 "mouseup.k" 386 , function (e) { 387 k.c.d.unbind('mousemove.k mouseup.k keyup.k'); 388 s.val(s.cv); 389 } 390 ); 391 392 return this; 393 }; 394 395 this._xy = function () { 396 var o = this.$c.offset(); 397 this.x = o.left; 398 this.y = o.top; 399 return this; 400 }; 401 402 this._listen = function () { 403 404 if (!this.o.readOnly) { 405 this.$c 406 .bind( 407 "mousedown" 408 , function (e) { 409 e.preventDefault(); 410 s._xy()._mouse(e); 411 } 412 ) 413 .bind( 414 "touchstart" 415 , function (e) { 416 e.preventDefault(); 417 s._xy()._touch(e); 418 } 419 ); 420 421 this.listen(); 422 } else { 423 this.$.attr('readonly', 'readonly'); 424 } 425 426 if(this.relative) { 427 $(window).resize(function() { 428 s._carve() 429 .init(); 430 s._draw(); 431 }); 432 } 433 434 return this; 435 }; 436 437 this._configure = function () { 438 439 // Hooks 440 if (this.o.draw) this.dH = this.o.draw; 441 if (this.o.change) this.cH = this.o.change; 442 if (this.o.cancel) this.eH = this.o.cancel; 443 if (this.o.release) this.rH = this.o.release; 444 445 if (this.o.displayPrevious) { 446 this.pColor = this.h2rgba(this.o.fgColor, "0.4"); 447 this.fgColor = this.h2rgba(this.o.fgColor, "0.6"); 448 } else { 449 this.fgColor = this.o.fgColor; 450 } 451 452 return this; 453 }; 454 455 this._clear = function () { 456 this.$c[0].width = this.$c[0].width; 457 }; 458 459 this._validate = function(v) { 460 return (~~ (((v < 0) ? -0.5 : 0.5) + (v/this.o.step))) * this.o.step; 461 }; 462 463 // Abstract methods 464 this.listen = function () {}; // on start, one time 465 this.extend = function () {}; // each time configure triggered 466 this.init = function () {}; // each time configure triggered 467 this.change = function (v) {}; // on change 468 this.val = function (v) {}; // on release 469 this.xy2val = function (x, y) {}; // 470 this.draw = function () {}; // on change / on release 471 this.clear = function () { this._clear(); }; 472 473 // Utils 474 this.h2rgba = function (h, a) { 475 var rgb; 476 h = h.substring(1,7) 477 rgb = [parseInt(h.substring(0,2),16) 478 ,parseInt(h.substring(2,4),16) 479 ,parseInt(h.substring(4,6),16)]; 480 return "rgba(" + rgb[0] + "," + rgb[1] + "," + rgb[2] + "," + a + ")"; 481 }; 482 483 this.copy = function (f, t) { 484 for (var i in f) { t[i] = f[i]; } 485 }; 486 }; 487 488 489 /** 490 * k.Dial
491 */ 492 k.Dial = function () { 493 k.o.call(this); 494 495 this.startAngle = null; 496 this.xy = null; 497 this.radius = null; 498 this.lineWidth = null; 499 this.cursorExt = null; 500 this.w2 = null; 501 this.PI2 = 2*Math.PI; 502 503 this.extend = function () { 504 this.o = $.extend( 505 { 506 bgColor : this.$.data('bgcolor') || '#EEEEEE', 507 angleOffset : this.$.data('angleoffset') || 0, 508 angleArc : this.$.data('anglearc') || 360, 509 inline : true 510 }, this.o 511 ); 512 }; 513 514 this.val = function (v, triggerRelease) { 515 if (null != v) { 516 517 // reverse format 518 v = this.o.parse(v); 519 520 if ( 521 triggerRelease !== false && (v != this.v) && this.rH && 522 (this.rH(v) === false) 523 ) return; 524 525 this.cv = this.o.stopper ? max(min(v, this.o.max), this.o.min) : v; 526 this.v = this.cv; 527 this.$.val(this.o.format(this.v)); 528 this._draw(); 529 } else { 530 return this.v; 531 } 532 }; 533 534 this.xy2val = function (x, y) { 535 var a, ret; 536 537 a = Math.atan2( 538 x - (this.x + this.w2) 539 , - (y - this.y - this.w2) 540 ) - this.angleOffset; 541 542 if (this.o.flip) { 543 a = this.angleArc - a - this.PI2; 544 } 545 546 if(this.angleArc != this.PI2 && (a < 0) && (a > -0.5)) { 547 // if isset angleArc option, set to min if .5 under min 548 a = 0; 549 } else if (a < 0) { 550 a += this.PI2; 551 } 552 553 ret = ~~ (0.5 + (a * (this.o.max - this.o.min) / this.angleArc)) 554 + this.o.min; 555 556 this.o.stopper && (ret = max(min(ret, this.o.max), this.o.min)); 557 558 return ret; 559 }; 560 561 this.listen = function () { 562 // bind MouseWheel 563 var s = this, mwTimerStop, mwTimerRelease, 564 mw = function (e) { 565 e.preventDefault(); 566 567 var ori = e.originalEvent 568 ,deltaX = ori.detail || ori.wheelDeltaX 569 ,deltaY = ori.detail || ori.wheelDeltaY 570 ,v = s._validate(s.o.parse(s.$.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.$.val() >
648 s.o.max && s.$.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 c.strokeStyle = this.o.bgColor; 755 c.arc(this.xy, this.xy, this.radius, this.endAngle - 0.00001, this.startAngle + 0.00001, true); 756 c.stroke(); 757 758 if (this.o.displayPrevious) { 759 pa = this.arc(this.v); 760 c.beginPath(); 761 c.strokeStyle = this.pColor; 762 c.arc(this.xy, this.xy, this.radius, pa.s, pa.e, pa.d); 763 c.stroke(); 764 r = (this.cv == this.v); 765 } 766 767 c.beginPath(); 768 c.strokeStyle = r ? this.o.fgColor : this.fgColor ; 769 c.arc(this.xy, this.xy, this.radius, a.s, a.e, a.d); 770 c.stroke(); 771 }; 772 773 this.cancel = function () { 774 this.val(this.v); 775 }; 776 }; 777 778 $.fn.dial = $.fn.knob = function (o) { 779 return this.each( 780 function () { 781 var d = new k.Dial(); 782 d.o = o; 783 d.$ = $(this); 784 d.run(); 785 } 786 ).parent(); 787 }; 788 789})(jQuery);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.