git.roojs.org Git - roojs1/blob - Roo/dialog/UploadCropbox.js

   1
   2 /*
   3 * Licence: LGPL
   4 */
   5
   6 /**
   7  * @class Roo.dialog.UploadCropbox
   8  * @extends Roo.BoxComponent
   9  * Dialog UploadCropbox class
  10  * @cfg {String} emptyText show when image has been loaded
  11  * @cfg {String} rotateNotify show when image too small to rotate
  12  * @cfg {Number} errorTimeout default 3000
  13  * @cfg {Number} minWidth default 300
  14  * @cfg {Number} minHeight default 300
  15  * @cfg {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
  16  * @cfg {Boolean} isDocument (true|false) default false
  17  * @cfg {String} url action url
  18  * @cfg {String} paramName default 'imageUpload'
  19  * @cfg {String} method default POST
  20  * @cfg {Boolean} loadMask (true|false) default true
  21  * @cfg {Boolean} loadingText default 'Loading...'
  22  *
  23  * @constructor
  24  * Create a new UploadCropbox
  25  * @param {Object} config The config object
  26  */
  27
  28  Roo.dialog.UploadCropbox = function(config){
  29     console.log("Dialog UploadCropbox Constructor");
  30     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  31
  32     this.addEvents({
  33         /**
  34          * @event beforeselectfile
  35          * Fire before select file
  36          * @param {Roo.dialog.UploadCropbox} this
  37          */
  38         "beforeselectfile" : true,
  39         /**
  40          * @event initial
  41          * Fire after initEvent
  42          * @param {Roo.dialog.UploadCropbox} this
  43          */
  44         "initial" : true,
  45         /**
  46          * @event crop
  47          * Fire after initEvent
  48          * @param {Roo.dialog.UploadCropbox} this
  49          * @param {String} data
  50          */
  51         "crop" : true,
  52         /**
  53          * @event prepare
  54          * Fire when preparing the file data
  55          * @param {Roo.dialog.UploadCropbox} this
  56          * @param {Object} file
  57          */
  58         "prepare" : true,
  59         /**
  60          * @event exception
  61          * Fire when get exception
  62          * @param {Roo.dialog.UploadCropbox} this
  63          * @param {XMLHttpRequest} xhr
  64          */
  65         "exception" : true,
  66         /**
  67          * @event beforeloadcanvas
  68          * Fire before load the canvas
  69          * @param {Roo.dialog.UploadCropbox} this
  70          * @param {String} src
  71          */
  72         "beforeloadcanvas" : true,
  73         /**
  74          * @event trash
  75          * Fire when trash image
  76          * @param {Roo.dialog.UploadCropbox} this
  77          */
  78         "trash" : true,
  79         /**
  80          * @event download
  81          * Fire when download the image
  82          * @param {Roo.dialog.UploadCropbox} this
  83          */
  84         "download" : true,
  85         /**
  86          * @event footerbuttonclick
  87          * Fire when footerbuttonclick
  88          * @param {Roo.dialog.UploadCropbox} this
  89          * @param {String} type
  90          */
  91         "footerbuttonclick" : true,
  92         /**
  93          * @event resize
  94          * Fire when resize
  95          * @param {Roo.dialog.UploadCropbox} this
  96          */
  97         "resize" : true,
  98         /**
  99          * @event rotate
 100          * Fire when rotate the image
 101          * @param {Roo.dialog.UploadCropbox} this
 102          * @param {String} pos
 103          */
 104         "rotate" : true,
 105         /**
 106          * @event inspect
 107          * Fire when inspect the file
 108          * @param {Roo.dialog.UploadCropbox} this
 109          * @param {Object} file
 110          */
 111         "inspect" : true,
 112         /**
 113          * @event upload
 114          * Fire when xhr upload the file
 115          * @param {Roo.dialog.UploadCropbox} this
 116          * @param {Object} data
 117          */
 118         "upload" : true,
 119         /**
 120          * @event arrange
 121          * Fire when arrange the file data
 122          * @param {Roo.dialog.UploadCropbox} this
 123          * @param {Object} formData
 124          */
 125         "arrange" : true
 126     });
 127
 128     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 129 };
 130
 131 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 132
 133     emptyText : 'Click to upload image',
 134     rotateNotify : 'Image is too small to rotate',
 135     errorTimeout : 3000,
 136     scale : 0,
 137     baseScale : 1,
 138     rotate : 0,
 139     dragable : false,
 140     pinching : false,
 141     mouseX : 0,
 142     mouseY : 0,
 143     cropData : false,
 144     minWidth : 300,
 145     minHeight : 300,
 146     file : false,
 147     exif : {},
 148     baseRotate : 1,
 149     cropType : 'image/jpeg',
 150     buttons : false,
 151     canvasLoaded : false,
 152     isDocument : false,
 153     method : 'POST',
 154     paramName : 'imageUpload',
 155     loadMask : true,
 156     loadingText : 'Loading...',
 157     maskEl : false,
 158
 159     getAutoCreate : function()
 160     {
 161         var cfg = {
 162             tag : 'div',
 163             cls : 'roo-upload-cropbox',
 164             cn : [
 165                 {
 166                     tag : 'input',
 167                     cls : 'roo-upload-cropbox-selector',
 168                     type : 'file'
 169                 },
 170                 {
 171                     tag : 'div',
 172                     cls : 'roo-upload-cropbox-body',
 173                     style : 'cursor:pointer',
 174                     cn : [
 175                         {
 176                             tag : 'div',
 177                             cls : 'roo-upload-cropbox-preview'
 178                         },
 179                         {
 180                             tag : 'div',
 181                             cls : 'roo-upload-cropbox-thumb'
 182                         },
 183                         {
 184                             tag : 'div',
 185                             cls : 'roo-upload-cropbox-empty-notify',
 186                             html : this.emptyText
 187                         },
 188                         {
 189                             tag : 'div',
 190                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 191                             html : this.rotateNotify
 192                         }
 193                     ]
 194                 },
 195                 {
 196                     tag : 'div',
 197                     cls : 'roo-upload-cropbox-footer',
 198                     cn : {
 199                         tag : 'div',
 200                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 201                         cn : []
 202                     }
 203                 }
 204             ]
 205         };
 206
 207         return cfg;
 208     },
 209
 210     onRender : function(ct, position)
 211     {
 212         console.log("On Render");
 213         console.log(this);
 214         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 215
 216         if(this.el){
 217             if (this.el.attr('xtype')) {
 218                 this.el.attr('xtypex', this.el.attr('xtype'));
 219                 this.el.dom.removeAttribute('xtype');
 220
 221                 this.initEvents();
 222             }
 223         }
 224         else {
 225             var cfg = Roo.apply({},  this.getAutoCreate());
 226
 227             cfg.id = this.id || Roo.id();
 228
 229             // fill in the extra attributes
 230             if (this.xattr && typeof(this.xattr) =='object') {
 231                 for (var i in this.xattr) {
 232                     cfg[i] = this.xattr[i];
 233                 }
 234             }
 235
 236             if(this.dataId){
 237                 cfg.dataId = this.dataId;
 238             }
 239
 240             if (this.cls) {
 241                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 242             }
 243
 244             if (this.style) { // fixme needs to support more complex style data.
 245                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 246             }
 247
 248             if(this.name){
 249                 cfg.name = this.name;
 250             }
 251
 252             this.el = ct.createChild(cfg, position);
 253
 254             if (this.tooltip) {
 255                 this.tooltipEl().attr('tooltip', this.tooltip);
 256             }
 257
 258             if(this.tabIndex !== undefined){
 259                 this.el.dom.setAttribute('tabIndex', this.tabIndex);
 260             }
 261
 262             this.initEvents();
 263             }
 264
 265         if (this.buttons.length) {
 266
 267             Roo.each(this.buttons, function(bb) {
 268
 269                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 270
 271                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 272
 273             }, this);
 274         }
 275
 276         if(this.loadMask){
 277             this.maskEl = this.el;
 278         }
 279     },
 280
 281     initEvents : function()
 282     {
 283         this.urlAPI = (window.createObjectURL && window) ||
 284                                 (window.URL && URL.revokeObjectURL && URL) ||
 285                                 (window.webkitURL && webkitURL);
 286
 287         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 288         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 289
 290         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 291         this.selectorEl.hide();
 292
 293         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 294         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 295
 296         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 297         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 298         this.thumbEl.hide();
 299
 300         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 301         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 302
 303         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 304         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 305         this.errorEl.hide();
 306
 307         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 308         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 309         this.footerEl.hide();
 310
 311         this.setThumbBoxSize();
 312
 313         this.bind();
 314
 315         this.resize();
 316
 317         this.fireEvent('initial', this);
 318     },
 319
 320     bind : function()
 321     {
 322         var _this = this;
 323
 324         window.addEventListener("resize", function() { _this.resize(); } );
 325
 326         this.bodyEl.on('click', this.beforeSelectFile, this);
 327
 328         if(Roo.isTouch){
 329             this.bodyEl.on('touchstart', this.onTouchStart, this);
 330             this.bodyEl.on('touchmove', this.onTouchMove, this);
 331             this.bodyEl.on('touchend', this.onTouchEnd, this);
 332         }
 333
 334         if(!Roo.isTouch){
 335             this.bodyEl.on('mousedown', this.onMouseDown, this);
 336             this.bodyEl.on('mousemove', this.onMouseMove, this);
 337             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 338             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 339             Roo.get(document).on('mouseup', this.onMouseUp, this);
 340         }
 341
 342         this.selectorEl.on('change', this.onFileSelected, this);
 343     },
 344
 345     reset : function()
 346     {
 347         this.scale = 0;
 348         this.baseScale = 1;
 349         this.rotate = 0;
 350         this.baseRotate = 1;
 351         this.dragable = false;
 352         this.pinching = false;
 353         this.mouseX = 0;
 354         this.mouseY = 0;
 355         this.cropData = false;
 356         this.notifyEl.dom.innerHTML = this.emptyText;
 357
 358         this.selectorEl.dom.value = '';
 359
 360     },
 361
 362     resize : function()
 363     {
 364         if(this.fireEvent('resize', this) != false){
 365             this.setThumbBoxPosition();
 366             this.setCanvasPosition();
 367         }
 368     },
 369
 370     onFooterButtonClick : function(e, el, o, type)
 371     {
 372         switch (type) {
 373             case 'rotate-left' :
 374                 this.onRotateLeft(e);
 375                 break;
 376             case 'rotate-right' :
 377                 this.onRotateRight(e);
 378                 break;
 379             case 'picture' :
 380                 this.beforeSelectFile(e);
 381                 break;
 382             case 'trash' :
 383                 this.trash(e);
 384                 break;
 385             case 'crop' :
 386                 this.crop(e);
 387                 break;
 388             case 'download' :
 389                 this.download(e);
 390                 break;
 391             default :
 392                 break;
 393         }
 394
 395         this.fireEvent('footerbuttonclick', this, type);
 396     },
 397
 398     beforeSelectFile : function(e)
 399     {
 400         e.preventDefault();
 401
 402         if(this.fireEvent('beforeselectfile', this) != false){
 403             this.selectorEl.dom.click();
 404         }
 405     },
 406
 407     onFileSelected : function(e)
 408     {
 409         e.preventDefault();
 410
 411         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 412             return;
 413         }
 414
 415         var file = this.selectorEl.dom.files[0];
 416
 417         if(this.fireEvent('inspect', this, file) != false){
 418             this.prepare(file);
 419         }
 420
 421     },
 422
 423     trash : function(e)
 424     {
 425         this.fireEvent('trash', this);
 426     },
 427
 428     download : function(e)
 429     {
 430         this.fireEvent('download', this);
 431     },
 432
 433     loadCanvas : function(src)
 434     {
 435         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 436
 437             this.reset();
 438
 439             this.imageEl = document.createElement('img');
 440
 441             var _this = this;
 442
 443             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 444
 445             this.imageEl.src = src;
 446         }
 447     },
 448
 449     onLoadCanvas : function()
 450     {
 451         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 452         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 453
 454         this.bodyEl.un('click', this.beforeSelectFile, this);
 455
 456         this.notifyEl.hide();
 457         this.thumbEl.show();
 458         this.footerEl.show();
 459
 460         this.baseRotateLevel();
 461
 462         if(this.isDocument){
 463             this.setThumbBoxSize();
 464         }
 465
 466         this.setThumbBoxPosition();
 467
 468         this.baseScaleLevel();
 469
 470         this.draw();
 471
 472         this.resize();
 473
 474         this.canvasLoaded = true;
 475
 476         if(this.loadMask){
 477             this.maskEl.unmask();
 478         }
 479
 480     },
 481
 482     setCanvasPosition : function()
 483     {
 484         if(!this.canvasEl){
 485             return;
 486         }
 487
 488         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 489         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 490
 491         this.previewEl.setLeft(pw);
 492         this.previewEl.setTop(ph);
 493
 494     },
 495
 496     onMouseDown : function(e)
 497     {
 498         e.stopEvent();
 499
 500         this.dragable = true;
 501         this.pinching = false;
 502
 503         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 504             this.dragable = false;
 505             return;
 506         }
 507
 508         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 509         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 510
 511     },
 512
 513     onMouseMove : function(e)
 514     {
 515         e.stopEvent();
 516
 517         if(!this.canvasLoaded){
 518             return;
 519         }
 520
 521         if (!this.dragable){
 522             return;
 523         }
 524
 525         var minX = Math.ceil(this.thumbEl.getLeft(true));
 526         var minY = Math.ceil(this.thumbEl.getTop(true));
 527
 528         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 529         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 530
 531         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 532         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 533
 534         x = x - this.mouseX;
 535         y = y - this.mouseY;
 536
 537         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 538         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 539
 540         bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
 541         bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
 542
 543         this.previewEl.setLeft(bgX);
 544         this.previewEl.setTop(bgY);
 545
 546         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 547         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 548     },
 549
 550     onMouseUp : function(e)
 551     {
 552         e.stopEvent();
 553
 554         this.dragable = false;
 555     },
 556
 557     onMouseWheel : function(e)
 558     {
 559         e.stopEvent();
 560
 561         this.startScale = this.scale;
 562
 563         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 564
 565         if(!this.zoomable()){
 566             this.scale = this.startScale;
 567             return;
 568         }
 569
 570         this.draw();
 571
 572         return;
 573     },
 574
 575     zoomable : function()
 576     {
 577         var minScale = this.thumbEl.getWidth() / this.minWidth;
 578
 579         if(this.minWidth < this.minHeight){
 580             minScale = this.thumbEl.getHeight() / this.minHeight;
 581         }
 582
 583         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 584         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 585
 586         if(
 587                 this.isDocument &&
 588                 (this.rotate == 0 || this.rotate == 180) &&
 589                 (
 590                     width > this.imageEl.OriginWidth ||
 591                     height > this.imageEl.OriginHeight ||
 592                     (width < this.minWidth && height < this.minHeight)
 593                 )
 594         ){
 595             return false;
 596         }
 597
 598         if(
 599                 this.isDocument &&
 600                 (this.rotate == 90 || this.rotate == 270) &&
 601                 (
 602                     width > this.imageEl.OriginWidth ||
 603                     height > this.imageEl.OriginHeight ||
 604                     (width < this.minHeight && height < this.minWidth)
 605                 )
 606         ){
 607             return false;
 608         }
 609
 610         if(
 611                 !this.isDocument &&
 612                 (this.rotate == 0 || this.rotate == 180) &&
 613                 (
 614                     width < this.minWidth ||
 615                     width > this.imageEl.OriginWidth ||
 616                     height < this.minHeight ||
 617                     height > this.imageEl.OriginHeight
 618                 )
 619         ){
 620             return false;
 621         }
 622
 623         if(
 624                 !this.isDocument &&
 625                 (this.rotate == 90 || this.rotate == 270) &&
 626                 (
 627                     width < this.minHeight ||
 628                     width > this.imageEl.OriginWidth ||
 629                     height < this.minWidth ||
 630                     height > this.imageEl.OriginHeight
 631                 )
 632         ){
 633             return false;
 634         }
 635
 636         return true;
 637
 638     },
 639
 640     onRotateLeft : function(e)
 641     {
 642         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 643
 644             var minScale = this.thumbEl.getWidth() / this.minWidth;
 645
 646             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 647             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 648
 649             this.startScale = this.scale;
 650
 651             while (this.getScaleLevel() < minScale){
 652
 653                 this.scale = this.scale + 1;
 654
 655                 if(!this.zoomable()){
 656                     break;
 657                 }
 658
 659                 if(
 660                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 661                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 662                 ){
 663                     continue;
 664                 }
 665
 666                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 667
 668                 this.draw();
 669
 670                 return;
 671             }
 672
 673             this.scale = this.startScale;
 674
 675             this.onRotateFail();
 676
 677             return false;
 678         }
 679
 680         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 681
 682         if(this.isDocument){
 683             this.setThumbBoxSize();
 684             this.setThumbBoxPosition();
 685             this.setCanvasPosition();
 686         }
 687
 688         this.draw();
 689
 690         this.fireEvent('rotate', this, 'left');
 691
 692     },
 693
 694     onRotateRight : function(e)
 695     {
 696         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 697
 698             var minScale = this.thumbEl.getWidth() / this.minWidth;
 699
 700             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 701             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 702
 703             this.startScale = this.scale;
 704
 705             while (this.getScaleLevel() < minScale){
 706
 707                 this.scale = this.scale + 1;
 708
 709                 if(!this.zoomable()){
 710                     break;
 711                 }
 712
 713                 if(
 714                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 715                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 716                 ){
 717                     continue;
 718                 }
 719
 720                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 721
 722                 this.draw();
 723
 724                 return;
 725             }
 726
 727             this.scale = this.startScale;
 728
 729             this.onRotateFail();
 730
 731             return false;
 732         }
 733
 734         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 735
 736         if(this.isDocument){
 737             this.setThumbBoxSize();
 738             this.setThumbBoxPosition();
 739             this.setCanvasPosition();
 740         }
 741
 742         this.draw();
 743
 744         this.fireEvent('rotate', this, 'right');
 745     },
 746
 747     onRotateFail : function()
 748     {
 749         this.errorEl.show(true);
 750
 751         var _this = this;
 752
 753         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 754     },
 755
 756     draw : function()
 757     {
 758         this.previewEl.dom.innerHTML = '';
 759
 760         var canvasEl = document.createElement("canvas");
 761
 762         var contextEl = canvasEl.getContext("2d");
 763
 764         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 765         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 766         var center = this.imageEl.OriginWidth / 2;
 767
 768         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 769             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 770             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 771             center = this.imageEl.OriginHeight / 2;
 772         }
 773
 774         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 775
 776         contextEl.translate(center, center);
 777         contextEl.rotate(this.rotate * Math.PI / 180);
 778
 779         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 780
 781         this.canvasEl = document.createElement("canvas");
 782
 783         this.contextEl = this.canvasEl.getContext("2d");
 784
 785         switch (this.rotate) {
 786             case 0 :
 787
 788                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 789                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 790
 791                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 792
 793                 break;
 794             case 90 :
 795
 796                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 797                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 798
 799                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 800                     this.contextEl.drawImage(canvasEl, Math.abs(this.canvasEl.width - this.canvasEl.height), 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 801                     break;
 802                 }
 803
 804                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 805
 806                 break;
 807             case 180 :
 808
 809                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 810                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 811
 812                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 813                     this.contextEl.drawImage(canvasEl, 0, Math.abs(this.canvasEl.width - this.canvasEl.height), this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 814                     break;
 815                 }
 816
 817                 this.contextEl.drawImage(canvasEl, Math.abs(this.canvasEl.width - this.canvasEl.height), 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 818
 819                 break;
 820             case 270 :
 821
 822                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 823                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 824
 825                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 826                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 827                     break;
 828                 }
 829
 830                 this.contextEl.drawImage(canvasEl, 0, Math.abs(this.canvasEl.width - this.canvasEl.height), this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 831
 832                 break;
 833             default :
 834                 break;
 835         }
 836
 837         this.previewEl.appendChild(this.canvasEl);
 838
 839         this.setCanvasPosition();
 840     },
 841
 842     crop : function()
 843     {
 844         if(!this.canvasLoaded){
 845             return;
 846         }
 847
 848         var imageCanvas = document.createElement("canvas");
 849
 850         var imageContext = imageCanvas.getContext("2d");
 851
 852         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 853         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 854
 855         var center = imageCanvas.width / 2;
 856
 857         imageContext.translate(center, center);
 858
 859         imageContext.rotate(this.rotate * Math.PI / 180);
 860
 861         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 862
 863         var canvas = document.createElement("canvas");
 864
 865         var context = canvas.getContext("2d");
 866
 867         canvas.width = this.minWidth;
 868         canvas.height = this.minHeight;
 869
 870         switch (this.rotate) {
 871             case 0 :
 872
 873                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 874                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 875
 876                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 877                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 878
 879                 var targetWidth = this.minWidth - 2 * x;
 880                 var targetHeight = this.minHeight - 2 * y;
 881
 882                 var scale = 1;
 883
 884                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 885                     scale = targetWidth / width;
 886                 }
 887
 888                 if(x > 0 && y == 0){
 889                     scale = targetHeight / height;
 890                 }
 891
 892                 if(x > 0 && y > 0){
 893                     scale = targetWidth / width;
 894
 895                     if(width < height){
 896                         scale = targetHeight / height;
 897                     }
 898                 }
 899
 900                 context.scale(scale, scale);
 901
 902                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 903                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 904
 905                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 906                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 907
 908                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 909
 910                 break;
 911             case 90 :
 912
 913                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 914                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 915
 916                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 917                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 918
 919                 var targetWidth = this.minWidth - 2 * x;
 920                 var targetHeight = this.minHeight - 2 * y;
 921
 922                 var scale = 1;
 923
 924                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 925                     scale = targetWidth / width;
 926                 }
 927
 928                 if(x > 0 && y == 0){
 929                     scale = targetHeight / height;
 930                 }
 931
 932                 if(x > 0 && y > 0){
 933                     scale = targetWidth / width;
 934
 935                     if(width < height){
 936                         scale = targetHeight / height;
 937                     }
 938                 }
 939
 940                 context.scale(scale, scale);
 941
 942                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 943                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 944
 945                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 946                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 947
 948                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 949
 950                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 951
 952                 break;
 953             case 180 :
 954
 955                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 956                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 957
 958                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 959                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 960
 961                 var targetWidth = this.minWidth - 2 * x;
 962                 var targetHeight = this.minHeight - 2 * y;
 963
 964                 var scale = 1;
 965
 966                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 967                     scale = targetWidth / width;
 968                 }
 969
 970                 if(x > 0 && y == 0){
 971                     scale = targetHeight / height;
 972                 }
 973
 974                 if(x > 0 && y > 0){
 975                     scale = targetWidth / width;
 976
 977                     if(width < height){
 978                         scale = targetHeight / height;
 979                     }
 980                 }
 981
 982                 context.scale(scale, scale);
 983
 984                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 985                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 986
 987                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 988                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 989
 990                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
 991                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 992
 993                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 994
 995                 break;
 996             case 270 :
 997
 998                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 999                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1000
1001                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1002                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1003
1004                 var targetWidth = this.minWidth - 2 * x;
1005                 var targetHeight = this.minHeight - 2 * y;
1006
1007                 var scale = 1;
1008
1009                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1010                     scale = targetWidth / width;
1011                 }
1012
1013                 if(x > 0 && y == 0){
1014                     scale = targetHeight / height;
1015                 }
1016
1017                 if(x > 0 && y > 0){
1018                     scale = targetWidth / width;
1019
1020                     if(width < height){
1021                         scale = targetHeight / height;
1022                     }
1023                 }
1024
1025                 context.scale(scale, scale);
1026
1027                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1028                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1029
1030                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1031                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1032
1033                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1034
1035                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1036
1037                 break;
1038             default :
1039                 break;
1040         }
1041
1042         this.cropData = canvas.toDataURL(this.cropType);
1043
1044         if(this.fireEvent('crop', this, this.cropData) !== false){
1045             this.process(this.file, this.cropData);
1046         }
1047
1048         return;
1049
1050     },
1051
1052     setThumbBoxSize : function()
1053     {
1054         var width, height;
1055
1056         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1057             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1058             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1059
1060             this.minWidth = width;
1061             this.minHeight = height;
1062
1063             if(this.rotate == 90 || this.rotate == 270){
1064                 this.minWidth = height;
1065                 this.minHeight = width;
1066             }
1067         }
1068
1069         height = 300;
1070         width = Math.ceil(this.minWidth * height / this.minHeight);
1071
1072         if(this.minWidth > this.minHeight){
1073             width = 300;
1074             height = Math.ceil(this.minHeight * width / this.minWidth);
1075         }
1076
1077         this.thumbEl.setStyle({
1078             width : width + 'px',
1079             height : height + 'px'
1080         });
1081
1082         return;
1083
1084     },
1085
1086     setThumbBoxPosition : function()
1087     {
1088         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1089         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1090
1091         this.thumbEl.setLeft(x);
1092         this.thumbEl.setTop(y);
1093
1094     },
1095
1096     baseRotateLevel : function()
1097     {
1098         this.baseRotate = 1;
1099
1100         if(
1101                 typeof(this.exif) != 'undefined' &&
1102                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1103                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1104         ){
1105             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1106         }
1107
1108         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1109
1110     },
1111
1112     baseScaleLevel : function()
1113     {
1114         var width, height;
1115
1116         if(this.isDocument){
1117
1118             if(this.baseRotate == 6 || this.baseRotate == 8){
1119
1120                 height = this.thumbEl.getHeight();
1121                 this.baseScale = height / this.imageEl.OriginWidth;
1122
1123                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1124                     width = this.thumbEl.getWidth();
1125                     this.baseScale = width / this.imageEl.OriginHeight;
1126                 }
1127
1128                 return;
1129             }
1130
1131             height = this.thumbEl.getHeight();
1132             this.baseScale = height / this.imageEl.OriginHeight;
1133
1134             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1135                 width = this.thumbEl.getWidth();
1136                 this.baseScale = width / this.imageEl.OriginWidth;
1137             }
1138
1139             return;
1140         }
1141
1142         if(this.baseRotate == 6 || this.baseRotate == 8){
1143
1144             width = this.thumbEl.getHeight();
1145             this.baseScale = width / this.imageEl.OriginHeight;
1146
1147             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1148                 height = this.thumbEl.getWidth();
1149                 this.baseScale = height / this.imageEl.OriginHeight;
1150             }
1151
1152             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1153                 height = this.thumbEl.getWidth();
1154                 this.baseScale = height / this.imageEl.OriginHeight;
1155
1156                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1157                     width = this.thumbEl.getHeight();
1158                     this.baseScale = width / this.imageEl.OriginWidth;
1159                 }
1160             }
1161
1162             return;
1163         }
1164
1165         width = this.thumbEl.getWidth();
1166         this.baseScale = width / this.imageEl.OriginWidth;
1167
1168         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1169             height = this.thumbEl.getHeight();
1170             this.baseScale = height / this.imageEl.OriginHeight;
1171         }
1172
1173         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1174
1175             height = this.thumbEl.getHeight();
1176             this.baseScale = height / this.imageEl.OriginHeight;
1177
1178             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1179                 width = this.thumbEl.getWidth();
1180                 this.baseScale = width / this.imageEl.OriginWidth;
1181             }
1182
1183         }
1184
1185         return;
1186     },
1187
1188     getScaleLevel : function()
1189     {
1190         return this.baseScale * Math.pow(1.1, this.scale);
1191     },
1192
1193     onTouchStart : function(e)
1194     {
1195         if(!this.canvasLoaded){
1196             this.beforeSelectFile(e);
1197             return;
1198         }
1199
1200         var touches = e.browserEvent.touches;
1201
1202         if(!touches){
1203             return;
1204         }
1205
1206         if(touches.length == 1){
1207             this.onMouseDown(e);
1208             return;
1209         }
1210
1211         if(touches.length != 2){
1212             return;
1213         }
1214
1215         var coords = [];
1216
1217         for(var i = 0, finger; finger = touches[i]; i++){
1218             coords.push(finger.pageX, finger.pageY);
1219         }
1220
1221         var x = Math.pow(coords[0] - coords[2], 2);
1222         var y = Math.pow(coords[1] - coords[3], 2);
1223
1224         this.startDistance = Math.sqrt(x + y);
1225
1226         this.startScale = this.scale;
1227
1228         this.pinching = true;
1229         this.dragable = false;
1230
1231     },
1232
1233     onTouchMove : function(e)
1234     {
1235         if(!this.pinching && !this.dragable){
1236             return;
1237         }
1238
1239         var touches = e.browserEvent.touches;
1240
1241         if(!touches){
1242             return;
1243         }
1244
1245         if(this.dragable){
1246             this.onMouseMove(e);
1247             return;
1248         }
1249
1250         var coords = [];
1251
1252         for(var i = 0, finger; finger = touches[i]; i++){
1253             coords.push(finger.pageX, finger.pageY);
1254         }
1255
1256         var x = Math.pow(coords[0] - coords[2], 2);
1257         var y = Math.pow(coords[1] - coords[3], 2);
1258
1259         this.endDistance = Math.sqrt(x + y);
1260
1261         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1262
1263         if(!this.zoomable()){
1264             this.scale = this.startScale;
1265             return;
1266         }
1267
1268         this.draw();
1269
1270     },
1271
1272     onTouchEnd : function(e)
1273     {
1274         this.pinching = false;
1275         this.dragable = false;
1276
1277     },
1278
1279     process : function(file, crop)
1280     {
1281         if(this.loadMask){
1282             this.maskEl.mask(this.loadingText);
1283         }
1284
1285         this.xhr = new XMLHttpRequest();
1286
1287         file.xhr = this.xhr;
1288
1289         this.xhr.open(this.method, this.url, true);
1290
1291         var headers = {
1292             "Accept": "application/json",
1293             "Cache-Control": "no-cache",
1294             "X-Requested-With": "XMLHttpRequest"
1295         };
1296
1297         for (var headerName in headers) {
1298             var headerValue = headers[headerName];
1299             if (headerValue) {
1300                 this.xhr.setRequestHeader(headerName, headerValue);
1301             }
1302         }
1303
1304         var _this = this;
1305
1306         this.xhr.onload = function()
1307         {
1308             _this.xhrOnLoad(_this.xhr);
1309         }
1310
1311         this.xhr.onerror = function()
1312         {
1313             _this.xhrOnError(_this.xhr);
1314         }
1315
1316         var formData = new FormData();
1317
1318         formData.append('returnHTML', 'NO');
1319
1320         if(crop){
1321             formData.append('crop', crop);
1322         }
1323
1324         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1325             formData.append(this.paramName, file, file.name);
1326         }
1327
1328         if(typeof(file.filename) != 'undefined'){
1329             formData.append('filename', file.filename);
1330         }
1331
1332         if(typeof(file.mimetype) != 'undefined'){
1333             formData.append('mimetype', file.mimetype);
1334         }
1335
1336         if(this.fireEvent('arrange', this, formData) != false){
1337             this.xhr.send(formData);
1338         };
1339     },
1340
1341     xhrOnLoad : function(xhr)
1342     {
1343         if(this.loadMask){
1344             this.maskEl.unmask();
1345         }
1346
1347         if (xhr.readyState !== 4) {
1348             this.fireEvent('exception', this, xhr);
1349             return;
1350         }
1351
1352         var response = Roo.decode(xhr.responseText);
1353
1354         if(!response.success){
1355             this.fireEvent('exception', this, xhr);
1356             return;
1357         }
1358
1359         var response = Roo.decode(xhr.responseText);
1360
1361         this.fireEvent('upload', this, response);
1362
1363     },
1364
1365     xhrOnError : function()
1366     {
1367         if(this.loadMask){
1368             this.maskEl.unmask();
1369         }
1370
1371         Roo.log('xhr on error');
1372
1373         var response = Roo.decode(xhr.responseText);
1374
1375         Roo.log(response);
1376
1377     },
1378
1379     prepare : function(file)
1380     {
1381         if(this.loadMask){
1382             this.maskEl.mask(this.loadingText);
1383         }
1384
1385         this.file = false;
1386         this.exif = {};
1387
1388         if(typeof(file) === 'string'){
1389             this.loadCanvas(file);
1390             return;
1391         }
1392
1393         if(!file || !this.urlAPI){
1394             return;
1395         }
1396
1397         this.file = file;
1398         this.cropType = file.type;
1399
1400         var _this = this;
1401
1402         if(this.fireEvent('prepare', this, this.file) != false){
1403
1404             var reader = new FileReader();
1405
1406             reader.onload = function (e) {
1407                 if (e.target.error) {
1408                     Roo.log(e.target.error);
1409                     return;
1410                 }
1411
1412                 var buffer = e.target.result,
1413                     dataView = new DataView(buffer),
1414                     offset = 2,
1415                     maxOffset = dataView.byteLength - 4,
1416                     markerBytes,
1417                     markerLength;
1418
1419                 if (dataView.getUint16(0) === 0xffd8) {
1420                     while (offset < maxOffset) {
1421                         markerBytes = dataView.getUint16(offset);
1422
1423                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1424                             markerLength = dataView.getUint16(offset + 2) + 2;
1425                             if (offset + markerLength > dataView.byteLength) {
1426                                 Roo.log('Invalid meta data: Invalid segment size.');
1427                                 break;
1428                             }
1429
1430                             if(markerBytes == 0xffe1){
1431                                 _this.parseExifData(
1432                                     dataView,
1433                                     offset,
1434                                     markerLength
1435                                 );
1436                             }
1437
1438                             offset += markerLength;
1439
1440                             continue;
1441                         }
1442
1443                         break;
1444                     }
1445
1446                 }
1447
1448                 var url = _this.urlAPI.createObjectURL(_this.file);
1449
1450                 _this.loadCanvas(url);
1451
1452                 return;
1453             }
1454
1455             reader.readAsArrayBuffer(this.file);
1456
1457         }
1458
1459     },
1460
1461     parseExifData : function(dataView, offset, length)
1462     {
1463         var tiffOffset = offset + 10,
1464             littleEndian,
1465             dirOffset;
1466
1467         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1468             // No Exif data, might be XMP data instead
1469             return;
1470         }
1471
1472         // Check for the ASCII code for "Exif" (0x45786966):
1473         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1474             // No Exif data, might be XMP data instead
1475             return;
1476         }
1477         if (tiffOffset + 8 > dataView.byteLength) {
1478             Roo.log('Invalid Exif data: Invalid segment size.');
1479             return;
1480         }
1481         // Check for the two null bytes:
1482         if (dataView.getUint16(offset + 8) !== 0x0000) {
1483             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1484             return;
1485         }
1486         // Check the byte alignment:
1487         switch (dataView.getUint16(tiffOffset)) {
1488         case 0x4949:
1489             littleEndian = true;
1490             break;
1491         case 0x4D4D:
1492             littleEndian = false;
1493             break;
1494         default:
1495             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1496             return;
1497         }
1498         // Check for the TIFF tag marker (0x002A):
1499         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1500             Roo.log('Invalid Exif data: Missing TIFF marker.');
1501             return;
1502         }
1503         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1504         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1505
1506         this.parseExifTags(
1507             dataView,
1508             tiffOffset,
1509             tiffOffset + dirOffset,
1510             littleEndian
1511         );
1512     },
1513
1514     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1515     {
1516         var tagsNumber,
1517             dirEndOffset,
1518             i;
1519         if (dirOffset + 6 > dataView.byteLength) {
1520             Roo.log('Invalid Exif data: Invalid directory offset.');
1521             return;
1522         }
1523         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1524         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1525         if (dirEndOffset + 4 > dataView.byteLength) {
1526             Roo.log('Invalid Exif data: Invalid directory size.');
1527             return;
1528         }
1529         for (i = 0; i < tagsNumber; i += 1) {
1530             this.parseExifTag(
1531                 dataView,
1532                 tiffOffset,
1533                 dirOffset + 2 + 12 * i, // tag offset
1534                 littleEndian
1535             );
1536         }
1537         // Return the offset to the next directory:
1538         return dataView.getUint32(dirEndOffset, littleEndian);
1539     },
1540
1541     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1542     {
1543         var tag = dataView.getUint16(offset, littleEndian);
1544
1545         this.exif[tag] = this.getExifValue(
1546             dataView,
1547             tiffOffset,
1548             offset,
1549             dataView.getUint16(offset + 2, littleEndian), // tag type
1550             dataView.getUint32(offset + 4, littleEndian), // tag length
1551             littleEndian
1552         );
1553     },
1554
1555     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1556     {
1557         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1558             tagSize,
1559             dataOffset,
1560             values,
1561             i,
1562             str,
1563             c;
1564
1565         if (!tagType) {
1566             Roo.log('Invalid Exif data: Invalid tag type.');
1567             return;
1568         }
1569
1570         tagSize = tagType.size * length;
1571         // Determine if the value is contained in the dataOffset bytes,
1572         // or if the value at the dataOffset is a pointer to the actual data:
1573         dataOffset = tagSize > 4 ?
1574                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1575         if (dataOffset + tagSize > dataView.byteLength) {
1576             Roo.log('Invalid Exif data: Invalid data offset.');
1577             return;
1578         }
1579         if (length === 1) {
1580             return tagType.getValue(dataView, dataOffset, littleEndian);
1581         }
1582         values = [];
1583         for (i = 0; i < length; i += 1) {
1584             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1585         }
1586
1587         if (tagType.ascii) {
1588             str = '';
1589             // Concatenate the chars:
1590             for (i = 0; i < values.length; i += 1) {
1591                 c = values[i];
1592                 // Ignore the terminating NULL byte(s):
1593                 if (c === '\u0000') {
1594                     break;
1595                 }
1596                 str += c;
1597             }
1598             return str;
1599         }
1600         return values;
1601     }
1602
1603 });
1604
1605 Roo.apply(Roo.dialog.UploadCropbox, {
1606     tags : {
1607         'Orientation': 0x0112
1608     },
1609
1610     Orientation: {
1611             1: 0, //'top-left',
1612 //            2: 'top-right',
1613             3: 180, //'bottom-right',
1614 //            4: 'bottom-left',
1615 //            5: 'left-top',
1616             6: 90, //'right-top',
1617 //            7: 'right-bottom',
1618             8: 270 //'left-bottom'
1619     },
1620
1621     exifTagTypes : {
1622         // byte, 8-bit unsigned int:
1623         1: {
1624             getValue: function (dataView, dataOffset) {
1625                 return dataView.getUint8(dataOffset);
1626             },
1627             size: 1
1628         },
1629         // ascii, 8-bit byte:
1630         2: {
1631             getValue: function (dataView, dataOffset) {
1632                 return String.fromCharCode(dataView.getUint8(dataOffset));
1633             },
1634             size: 1,
1635             ascii: true
1636         },
1637         // short, 16 bit int:
1638         3: {
1639             getValue: function (dataView, dataOffset, littleEndian) {
1640                 return dataView.getUint16(dataOffset, littleEndian);
1641             },
1642             size: 2
1643         },
1644         // long, 32 bit int:
1645         4: {
1646             getValue: function (dataView, dataOffset, littleEndian) {
1647                 return dataView.getUint32(dataOffset, littleEndian);
1648             },
1649             size: 4
1650         },
1651         // rational = two long values, first is numerator, second is denominator:
1652         5: {
1653             getValue: function (dataView, dataOffset, littleEndian) {
1654                 return dataView.getUint32(dataOffset, littleEndian) /
1655                     dataView.getUint32(dataOffset + 4, littleEndian);
1656             },
1657             size: 8
1658         },
1659         // slong, 32 bit signed int:
1660         9: {
1661             getValue: function (dataView, dataOffset, littleEndian) {
1662                 return dataView.getInt32(dataOffset, littleEndian);
1663             },
1664             size: 4
1665         },
1666         // srational, two slongs, first is numerator, second is denominator:
1667         10: {
1668             getValue: function (dataView, dataOffset, littleEndian) {
1669                 return dataView.getInt32(dataOffset, littleEndian) /
1670                     dataView.getInt32(dataOffset + 4, littleEndian);
1671             },
1672             size: 8
1673         }
1674     },
1675
1676     footer : {
1677         STANDARD : [
1678             {
1679                 tag : 'div',
1680                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1681                 action : 'rotate-left',
1682                 cn : [
1683                     {
1684                         tag : 'button',
1685                         cls : 'btn btn-default',
1686                         html : '<i class="fa fa-undo"></i>'
1687                     }
1688                 ]
1689             },
1690             {
1691                 tag : 'div',
1692                 cls : 'btn-group roo-upload-cropbox-picture',
1693                 action : 'picture',
1694                 cn : [
1695                     {
1696                         tag : 'button',
1697                         cls : 'btn btn-default',
1698                         html : '<i class="fa fa-picture-o"></i>'
1699                     }
1700                 ]
1701             },
1702             {
1703                 tag : 'div',
1704                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1705                 action : 'rotate-right',
1706                 cn : [
1707                     {
1708                         tag : 'button',
1709                         cls : 'btn btn-default',
1710                         html : '<i class="fa fa-repeat"></i>'
1711                     }
1712                 ]
1713             }
1714         ],
1715         DOCUMENT : [
1716             {
1717                 tag : 'div',
1718                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1719                 action : 'rotate-left',
1720                 cn : [
1721                     {
1722                         tag : 'button',
1723                         cls : 'btn btn-default',
1724                         html : '<i class="fa fa-undo"></i>'
1725                     }
1726                 ]
1727             },
1728             {
1729                 tag : 'div',
1730                 cls : 'btn-group roo-upload-cropbox-download',
1731                 action : 'download',
1732                 cn : [
1733                     {
1734                         tag : 'button',
1735                         cls : 'btn btn-default',
1736                         html : '<i class="fa fa-download"></i>'
1737                     }
1738                 ]
1739             },
1740             {
1741                 tag : 'div',
1742                 cls : 'btn-group roo-upload-cropbox-crop',
1743                 action : 'crop',
1744                 cn : [
1745                     {
1746                         tag : 'button',
1747                         cls : 'btn btn-default',
1748                         html : '<i class="fa fa-crop"></i>'
1749                     }
1750                 ]
1751             },
1752             {
1753                 tag : 'div',
1754                 cls : 'btn-group roo-upload-cropbox-trash',
1755                 action : 'trash',
1756                 cn : [
1757                     {
1758                         tag : 'button',
1759                         cls : 'btn btn-default',
1760                         html : '<i class="fa fa-trash"></i>'
1761                     }
1762                 ]
1763             },
1764             {
1765                 tag : 'div',
1766                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1767                 action : 'rotate-right',
1768                 cn : [
1769                     {
1770                         tag : 'button',
1771                         cls : 'btn btn-default',
1772                         html : '<i class="fa fa-repeat"></i>'
1773                     }
1774                 ]
1775             }
1776         ],
1777         ROTATOR : [
1778             {
1779                 tag : 'div',
1780                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1781                 action : 'rotate-left',
1782                 cn : [
1783                     {
1784                         tag : 'button',
1785                         cls : 'btn btn-default',
1786                         html : '<i class="fa fa-undo"></i>'
1787                     }
1788                 ]
1789             },
1790             {
1791                 tag : 'div',
1792                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1793                 action : 'rotate-right',
1794                 cn : [
1795                     {
1796                         tag : 'button',
1797                         cls : 'btn btn-default',
1798                         html : '<i class="fa fa-repeat"></i>'
1799                     }
1800                 ]
1801             }
1802         ]
1803     }
1804 });