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     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  30
  31     this.addEvents({
  32         /**
  33          * @event beforeselectfile
  34          * Fire before select file
  35          * @param {Roo.dialog.UploadCropbox} this
  36          */
  37         "beforeselectfile" : true,
  38         /**
  39          * @event initial
  40          * Fire after initEvent
  41          * @param {Roo.dialog.UploadCropbox} this
  42          */
  43         "initial" : true,
  44         /**
  45          * @event crop
  46          * Fire after initEvent
  47          * @param {Roo.dialog.UploadCropbox} this
  48          * @param {String} data
  49          */
  50         "crop" : true,
  51         /**
  52          * @event prepare
  53          * Fire when preparing the file data
  54          * @param {Roo.dialog.UploadCropbox} this
  55          * @param {Object} file
  56          */
  57         "prepare" : true,
  58         /**
  59          * @event exception
  60          * Fire when get exception
  61          * @param {Roo.dialog.UploadCropbox} this
  62          * @param {XMLHttpRequest} xhr
  63          */
  64         "exception" : true,
  65         /**
  66          * @event beforeloadcanvas
  67          * Fire before load the canvas
  68          * @param {Roo.dialog.UploadCropbox} this
  69          * @param {String} src
  70          */
  71         "beforeloadcanvas" : true,
  72         /**
  73          * @event trash
  74          * Fire when trash image
  75          * @param {Roo.dialog.UploadCropbox} this
  76          */
  77         "trash" : true,
  78         /**
  79          * @event download
  80          * Fire when download the image
  81          * @param {Roo.dialog.UploadCropbox} this
  82          */
  83         "download" : true,
  84         /**
  85          * @event footerbuttonclick
  86          * Fire when footerbuttonclick
  87          * @param {Roo.dialog.UploadCropbox} this
  88          * @param {String} type
  89          */
  90         "footerbuttonclick" : true,
  91         /**
  92          * @event resize
  93          * Fire when resize
  94          * @param {Roo.dialog.UploadCropbox} this
  95          */
  96         "resize" : true,
  97         /**
  98          * @event rotate
  99          * Fire when rotate the image
 100          * @param {Roo.dialog.UploadCropbox} this
 101          * @param {String} pos
 102          */
 103         "rotate" : true,
 104         /**
 105          * @event inspect
 106          * Fire when inspect the file
 107          * @param {Roo.dialog.UploadCropbox} this
 108          * @param {Object} file
 109          */
 110         "inspect" : true,
 111         /**
 112          * @event upload
 113          * Fire when xhr upload the file
 114          * @param {Roo.dialog.UploadCropbox} this
 115          * @param {Object} data
 116          */
 117         "upload" : true,
 118         /**
 119          * @event arrange
 120          * Fire when arrange the file data
 121          * @param {Roo.dialog.UploadCropbox} this
 122          * @param {Object} formData
 123          */
 124         "arrange" : true,
 125         /**
 126          * @event loadcanvas
 127          * Fire after load the canvas
 128          * @param {Roo.dialog.UploadCropbox}
 129          * @param {Object} imgEl
 130          */
 131         "loadcanvas" : true
 132     });
 133
 134     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 135 };
 136
 137 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 138
 139     emptyText : 'Click to upload image',
 140     rotateNotify : 'Image is too small to rotate',
 141     errorTimeout : 3000,
 142     scale : 0,
 143     baseScale : 1,
 144     rotate : 0,
 145     dragable : false,
 146     pinching : false,
 147     mouseX : 0,
 148     mouseY : 0,
 149     cropData : false,
 150     minWidth : 300,
 151     minHeight : 300,
 152     file : false,
 153     exif : {},
 154     baseRotate : 1,
 155     cropType : 'image/jpeg',
 156     buttons : false,
 157     canvasLoaded : false,
 158     isDocument : false,
 159     method : 'POST',
 160     paramName : 'imageUpload',
 161     loadMask : true,
 162     loadingText : 'Loading...',
 163     maskEl : false,
 164
 165     getAutoCreate : function()
 166     {
 167         var cfg = {
 168             tag : 'div',
 169             cls : 'roo-upload-cropbox',
 170             cn : [
 171                 {
 172                     tag : 'input',
 173                     cls : 'roo-upload-cropbox-selector',
 174                     type : 'file'
 175                 },
 176                 {
 177                     tag : 'div',
 178                     cls : 'roo-upload-cropbox-body',
 179                     style : 'cursor:pointer',
 180                     cn : [
 181                         {
 182                             tag : 'div',
 183                             cls : 'roo-upload-cropbox-preview'
 184                         },
 185                         {
 186                             tag : 'div',
 187                             cls : 'roo-upload-cropbox-thumb'
 188                         },
 189                         {
 190                             tag : 'div',
 191                             cls : 'roo-upload-cropbox-empty-notify',
 192                             html : this.emptyText
 193                         },
 194                         {
 195                             tag : 'div',
 196                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 197                             html : this.rotateNotify
 198                         }
 199                     ]
 200                 },
 201                 {
 202                     tag : 'div',
 203                     cls : 'roo-upload-cropbox-footer',
 204                     cn : {
 205                         tag : 'div',
 206                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 207                         cn : []
 208                     }
 209                 }
 210             ]
 211         };
 212
 213         return cfg;
 214     },
 215
 216     onRender : function(ct, position)
 217     {
 218         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 219
 220         if(this.el){
 221             if (this.el.attr('xtype')) {
 222                 this.el.attr('xtypex', this.el.attr('xtype'));
 223                 this.el.dom.removeAttribute('xtype');
 224
 225                 this.initEvents();
 226             }
 227         }
 228         else {
 229             var cfg = Roo.apply({},  this.getAutoCreate());
 230
 231             cfg.id = this.id || Roo.id();
 232
 233             if (this.cls) {
 234                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 235             }
 236
 237             if (this.style) { // fixme needs to support more complex style data.
 238                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 239             }
 240
 241             this.el = ct.createChild(cfg, position);
 242
 243             this.initEvents();
 244         }
 245
 246         if (this.buttons.length) {
 247
 248             Roo.each(this.buttons, function(bb) {
 249
 250                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 251
 252                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 253
 254             }, this);
 255         }
 256
 257         if(this.loadMask){
 258             this.maskEl = this.el;
 259         }
 260     },
 261
 262     initEvents : function()
 263     {
 264         this.urlAPI = (window.createObjectURL && window) ||
 265                                 (window.URL && URL.revokeObjectURL && URL) ||
 266                                 (window.webkitURL && webkitURL);
 267
 268         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 269         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 270
 271         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 272         this.selectorEl.hide();
 273
 274         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 275         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 276
 277         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 278         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 279         this.thumbEl.hide();
 280
 281         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 282         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 283
 284         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 285         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 286         this.errorEl.hide();
 287
 288         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 289         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 290         this.footerEl.hide();
 291
 292         this.setThumbBoxSize();
 293
 294         this.bind();
 295
 296         this.resize();
 297
 298         this.fireEvent('initial', this);
 299     },
 300
 301     bind : function()
 302     {
 303         var _this = this;
 304
 305         window.addEventListener("resize", function() { _this.resize(); } );
 306
 307         this.bodyEl.on('click', this.beforeSelectFile, this);
 308
 309         if(Roo.isTouch){
 310             this.bodyEl.on('touchstart', this.onTouchStart, this);
 311             this.bodyEl.on('touchmove', this.onTouchMove, this);
 312             this.bodyEl.on('touchend', this.onTouchEnd, this);
 313         }
 314
 315         if(!Roo.isTouch){
 316             this.bodyEl.on('mousedown', this.onMouseDown, this);
 317             this.bodyEl.on('mousemove', this.onMouseMove, this);
 318             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 319             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 320             Roo.get(document).on('mouseup', this.onMouseUp, this);
 321         }
 322
 323         this.selectorEl.on('change', this.onFileSelected, this);
 324     },
 325
 326     reset : function()
 327     {
 328         this.scale = 0;
 329         this.baseScale = 1;
 330         this.rotate = 0;
 331         this.baseRotate = 1;
 332         this.dragable = false;
 333         this.pinching = false;
 334         this.mouseX = 0;
 335         this.mouseY = 0;
 336         this.cropData = false;
 337         this.notifyEl.dom.innerHTML = this.emptyText;
 338
 339         // this.selectorEl.dom.value = '';
 340
 341     },
 342
 343     resize : function()
 344     {
 345         if(this.fireEvent('resize', this) != false){
 346             this.setThumbBoxPosition();
 347             this.setCanvasPosition();
 348         }
 349     },
 350
 351     onFooterButtonClick : function(e, el, o, type)
 352     {
 353         switch (type) {
 354             case 'rotate-left' :
 355                 this.onRotateLeft(e);
 356                 break;
 357             case 'rotate-right' :
 358                 this.onRotateRight(e);
 359                 break;
 360             case 'picture' :
 361                 this.beforeSelectFile(e);
 362                 break;
 363             case 'trash' :
 364                 this.trash(e);
 365                 break;
 366             case 'crop' :
 367                 this.crop(e);
 368                 break;
 369             case 'download' :
 370                 this.download(e);
 371                 break;
 372             default :
 373                 break;
 374         }
 375
 376         this.fireEvent('footerbuttonclick', this, type);
 377     },
 378
 379     beforeSelectFile : function(e)
 380     {
 381         e.preventDefault();
 382
 383         if(this.fireEvent('beforeselectfile', this) != false){
 384             this.selectorEl.dom.click();
 385         }
 386     },
 387
 388     onFileSelected : function(e)
 389     {
 390         e.preventDefault();
 391
 392         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 393             return;
 394         }
 395
 396         var file = this.selectorEl.dom.files[0];
 397
 398         if(this.fireEvent('inspect', this, file) != false){
 399             this.prepare(file);
 400         }
 401
 402     },
 403
 404     trash : function(e)
 405     {
 406         this.fireEvent('trash', this);
 407     },
 408
 409     download : function(e)
 410     {
 411         this.fireEvent('download', this);
 412     },
 413
 414     loadCanvas : function(src)
 415     {
 416         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 417
 418             this.reset();
 419
 420             this.imageEl = document.createElement('img');
 421
 422             var _this = this;
 423
 424             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 425
 426             this.imageEl.src = src;
 427         }
 428     },
 429
 430     onLoadCanvas : function()
 431     {
 432         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 433         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 434
 435         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 436
 437             this.bodyEl.un('click', this.beforeSelectFile, this);
 438
 439             this.notifyEl.hide();
 440             this.thumbEl.show();
 441             this.footerEl.show();
 442
 443             this.baseRotateLevel();
 444
 445             if(this.isDocument){
 446                 this.setThumbBoxSize();
 447             }
 448
 449             this.setThumbBoxPosition();
 450
 451             this.baseScaleLevel();
 452
 453             this.draw();
 454
 455             this.resize();
 456
 457             this.canvasLoaded = true;
 458
 459         }
 460
 461         if(this.loadMask){
 462             this.maskEl.unmask();
 463         }
 464
 465     },
 466
 467     setCanvasPosition : function()
 468     {
 469         if(!this.canvasEl){
 470             return;
 471         }
 472
 473         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 474         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 475
 476         this.previewEl.setLeft(pw);
 477         this.previewEl.setTop(ph);
 478
 479     },
 480
 481     onMouseDown : function(e)
 482     {
 483         e.stopEvent();
 484
 485         this.dragable = true;
 486         this.pinching = false;
 487
 488         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 489             this.dragable = false;
 490             return;
 491         }
 492
 493         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 494         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 495
 496     },
 497
 498     onMouseMove : function(e)
 499     {
 500         e.stopEvent();
 501
 502         if(!this.canvasLoaded){
 503             return;
 504         }
 505
 506         if (!this.dragable){
 507             return;
 508         }
 509
 510         var minX = Math.ceil(this.thumbEl.getLeft(true));
 511         var minY = Math.ceil(this.thumbEl.getTop(true));
 512
 513         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 514         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 515
 516         if(minX > maxX) {
 517             var tempX = minX;
 518             minX = maxX;
 519             maxX = tempX;
 520         }
 521
 522         if(minY > maxY) {
 523             var tempY = minY;
 524             minY = maxY;
 525             maxY = tempY;
 526         }
 527
 528         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 529         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 530
 531         x = x - this.mouseX;
 532         y = y - this.mouseY;
 533
 534         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 535         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 536
 537         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 538         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 539
 540         this.previewEl.setLeft(bgX);
 541         this.previewEl.setTop(bgY);
 542
 543         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 544         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 545     },
 546
 547     onMouseUp : function(e)
 548     {
 549         e.stopEvent();
 550
 551         this.dragable = false;
 552     },
 553
 554     onMouseWheel : function(e)
 555     {
 556         e.stopEvent();
 557
 558         this.startScale = this.scale;
 559         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 560
 561         console.log("START SCALE:" + this.startScale);
 562         console.log("TEST SCALE: " + this.scale);
 563         if(!this.zoomable()){
 564             this.scale = this.startScale;
 565             return;
 566         }
 567
 568         console.log("END SCALE: " + this.scale);
 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         console.log("MINSCALE: " + minScale);
 584
 585         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 586         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 587
 588         console.log("WIDTH: " + width);
 589         console.log("HEIGHT: " + height);
 590
 591         var maxWidth = this.imageEl.OriginWidth;
 592         var maxHeight = this.imageEl.OriginHeight;
 593
 594         if(
 595                 this.isDocument &&
 596                 (this.rotate == 0 || this.rotate == 180) &&
 597                 (
 598                     width > this.imageEl.OriginWidth ||
 599                     height > this.imageEl.OriginHeight ||
 600                     (width < this.minWidth && height < this.minHeight)
 601                 )
 602         ){
 603             return false;
 604         }
 605
 606         if(
 607                 this.isDocument &&
 608                 (this.rotate == 90 || this.rotate == 270) &&
 609                 (
 610                     width > this.imageEl.OriginWidth ||
 611                     height > this.imageEl.OriginHeight ||
 612                     (width < this.minHeight && height < this.minWidth)
 613                 )
 614         ){
 615             return false;
 616         }
 617
 618         if(
 619                 !this.isDocument &&
 620                 (this.rotate == 0 || this.rotate == 180) &&
 621                 (
 622                     width < this.minWidth ||
 623                     height < this.minHeight ||
 624                     width > maxWidth ||
 625                     height > maxHeight
 626                 )
 627         ){
 628             return false;
 629         }
 630
 631         if(
 632                 !this.isDocument &&
 633                 (this.rotate == 90 || this.rotate == 270) &&
 634                 (
 635                     width < this.minHeight ||
 636                     width > this.imageEl.OriginWidth ||
 637                     height < this.minWidth ||
 638                     height > this.imageEl.OriginHeight
 639                 )
 640         ){
 641             return false;
 642         }
 643
 644         return true;
 645
 646     },
 647
 648     onRotateLeft : function(e)
 649     {
 650         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 651
 652             var minScale = this.thumbEl.getWidth() / this.minWidth;
 653
 654             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 655             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 656
 657             this.startScale = this.scale;
 658
 659             while (this.getScaleLevel() < minScale){
 660
 661                 this.scale = this.scale + 1;
 662
 663                 if(!this.zoomable()){
 664                     break;
 665                 }
 666
 667                 if(
 668                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 669                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 670                 ){
 671                     continue;
 672                 }
 673
 674                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 675
 676                 this.draw();
 677
 678                 return;
 679             }
 680
 681             this.scale = this.startScale;
 682
 683             this.onRotateFail();
 684
 685             return false;
 686         }
 687
 688         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 689
 690         if(this.isDocument){
 691             this.setThumbBoxSize();
 692             this.setThumbBoxPosition();
 693             this.setCanvasPosition();
 694         }
 695
 696         this.draw();
 697
 698         this.fireEvent('rotate', this, 'left');
 699
 700     },
 701
 702     onRotateRight : function(e)
 703     {
 704         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 705
 706             var minScale = this.thumbEl.getWidth() / this.minWidth;
 707
 708             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 709             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 710
 711             this.startScale = this.scale;
 712
 713             while (this.getScaleLevel() < minScale){
 714
 715                 this.scale = this.scale + 1;
 716
 717                 if(!this.zoomable()){
 718                     break;
 719                 }
 720
 721                 if(
 722                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 723                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 724                 ){
 725                     continue;
 726                 }
 727
 728                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 729
 730                 this.draw();
 731
 732                 return;
 733             }
 734
 735             this.scale = this.startScale;
 736
 737             this.onRotateFail();
 738
 739             return false;
 740         }
 741
 742         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 743
 744         if(this.isDocument){
 745             this.setThumbBoxSize();
 746             this.setThumbBoxPosition();
 747             this.setCanvasPosition();
 748         }
 749
 750         this.draw();
 751
 752         this.fireEvent('rotate', this, 'right');
 753     },
 754
 755     onRotateFail : function()
 756     {
 757         this.errorEl.show(true);
 758
 759         var _this = this;
 760
 761         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 762     },
 763
 764     draw : function()
 765     {
 766         console.log("DRAW");
 767         this.previewEl.dom.innerHTML = '';
 768
 769         var canvasEl = document.createElement("canvas");
 770
 771         var contextEl = canvasEl.getContext("2d");
 772
 773         console.log(this.getScaleLevel());
 774
 775         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 776         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 777         var center = this.imageEl.OriginWidth / 2;
 778
 779         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 780             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 781             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 782             center = this.imageEl.OriginHeight / 2;
 783         }
 784
 785         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 786
 787         contextEl.translate(center, center);
 788         contextEl.rotate(this.rotate * Math.PI / 180);
 789
 790         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 791
 792         this.canvasEl = document.createElement("canvas");
 793
 794         this.contextEl = this.canvasEl.getContext("2d");
 795
 796         switch (this.rotate) {
 797             case 0 :
 798
 799                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 800                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 801
 802                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 803
 804                 break;
 805             case 90 :
 806
 807                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 808                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 809
 810                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 811                     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);
 812                     break;
 813                 }
 814
 815                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 816
 817                 break;
 818             case 180 :
 819
 820                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 821                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 822
 823                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 824                     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);
 825                     break;
 826                 }
 827
 828                 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);
 829
 830                 break;
 831             case 270 :
 832
 833                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 834                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 835
 836                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 837                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 838                     break;
 839                 }
 840
 841                 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);
 842
 843                 break;
 844             default :
 845                 break;
 846         }
 847
 848         this.previewEl.appendChild(this.canvasEl);
 849
 850         this.setCanvasPosition();
 851     },
 852
 853     crop : function()
 854     {
 855         console.log("CROP");
 856         if(!this.canvasLoaded){
 857             return;
 858         }
 859
 860         var imageCanvas = document.createElement("canvas");
 861
 862         var imageContext = imageCanvas.getContext("2d");
 863
 864         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 865         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 866
 867         console.log("IMAGECANVAS WIDTH: " + imageCanvas.width);
 868         console.log("IMAGECANVAS HEIGHT: " + imageCanvas.height);
 869
 870         var center = imageCanvas.width / 2;
 871
 872         imageContext.translate(center, center);
 873
 874         imageContext.rotate(this.rotate * Math.PI / 180);
 875
 876         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 877
 878         var canvas = document.createElement("canvas");
 879
 880         var context = canvas.getContext("2d");
 881
 882         canvas.width = this.minWidth;
 883
 884         canvas.height = this.minHeight;
 885
 886         console.log("CANVAS WIDTH: " + canvas.width);
 887         console.log("CANVAS HEIGHT: " + canvas.height);
 888
 889         switch (this.rotate) {
 890             case 0 :
 891
 892                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 893                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 894
 895                 console.log("WIDTH: " + width);
 896                 console.log("HEIGHT: " + height);
 897
 898                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 899                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 900
 901                 var targetWidth = this.minWidth - 2 * x;
 902                 var targetHeight = this.minHeight - 2 * y;
 903
 904                 var scale = 1;
 905
 906                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 907                     scale = targetWidth / width;
 908                 }
 909
 910                 if(x > 0 && y == 0){
 911                     scale = targetHeight / height;
 912                 }
 913
 914                 if(x > 0 && y > 0){
 915                     scale = targetWidth / width;
 916
 917                     if(width < height){
 918                         scale = targetHeight / height;
 919                     }
 920                 }
 921
 922                 context.scale(scale, scale);
 923
 924                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 925                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 926
 927                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 928                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 929
 930                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 931
 932                 break;
 933             case 90 :
 934
 935                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 936                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 937
 938                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 939                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 940
 941                 var targetWidth = this.minWidth - 2 * x;
 942                 var targetHeight = this.minHeight - 2 * y;
 943
 944                 var scale = 1;
 945
 946                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 947                     scale = targetWidth / width;
 948                 }
 949
 950                 if(x > 0 && y == 0){
 951                     scale = targetHeight / height;
 952                 }
 953
 954                 if(x > 0 && y > 0){
 955                     scale = targetWidth / width;
 956
 957                     if(width < height){
 958                         scale = targetHeight / height;
 959                     }
 960                 }
 961
 962                 context.scale(scale, scale);
 963
 964                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 965                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 966
 967                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 968                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 969
 970                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 971
 972                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 973
 974                 break;
 975             case 180 :
 976
 977                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 978                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 979
 980                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 981                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 982
 983                 var targetWidth = this.minWidth - 2 * x;
 984                 var targetHeight = this.minHeight - 2 * y;
 985
 986                 var scale = 1;
 987
 988                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 989                     scale = targetWidth / width;
 990                 }
 991
 992                 if(x > 0 && y == 0){
 993                     scale = targetHeight / height;
 994                 }
 995
 996                 if(x > 0 && y > 0){
 997                     scale = targetWidth / width;
 998
 999                     if(width < height){
1000                         scale = targetHeight / height;
1001                     }
1002                 }
1003
1004                 context.scale(scale, scale);
1005
1006                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1007                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1008
1009                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1010                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1011
1012                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1013                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1014
1015                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1016
1017                 break;
1018             case 270 :
1019
1020                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1021                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1022
1023                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1024                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1025
1026                 var targetWidth = this.minWidth - 2 * x;
1027                 var targetHeight = this.minHeight - 2 * y;
1028
1029                 var scale = 1;
1030
1031                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1032                     scale = targetWidth / width;
1033                 }
1034
1035                 if(x > 0 && y == 0){
1036                     scale = targetHeight / height;
1037                 }
1038
1039                 if(x > 0 && y > 0){
1040                     scale = targetWidth / width;
1041
1042                     if(width < height){
1043                         scale = targetHeight / height;
1044                     }
1045                 }
1046
1047                 context.scale(scale, scale);
1048                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1049                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1050
1051                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1052                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1053
1054                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1055
1056                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1057
1058                 break;
1059             default :
1060                 break;
1061         }
1062
1063         this.cropData = canvas.toDataURL(this.cropType);
1064
1065         if(this.fireEvent('crop', this, this.cropData) !== false){
1066             this.process(this.file, this.cropData);
1067         }
1068
1069         return;
1070
1071     },
1072
1073     setThumbBoxSize : function()
1074     {
1075         var width, height;
1076
1077         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1078             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1079             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1080
1081             this.minWidth = width;
1082             this.minHeight = height;
1083
1084             if(this.rotate == 90 || this.rotate == 270){
1085                 this.minWidth = height;
1086                 this.minHeight = width;
1087             }
1088         }
1089
1090         height = 300;
1091         width = Math.ceil(this.minWidth * height / this.minHeight);
1092
1093         if(this.minWidth > this.minHeight){
1094             width = 300;
1095             height = Math.ceil(this.minHeight * width / this.minWidth);
1096         }
1097
1098         this.thumbEl.setStyle({
1099             width : width + 'px',
1100             height : height + 'px'
1101         });
1102
1103         return;
1104
1105     },
1106
1107     setThumbBoxPosition : function()
1108     {
1109         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1110         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1111
1112         this.thumbEl.setLeft(x);
1113         this.thumbEl.setTop(y);
1114
1115     },
1116
1117     baseRotateLevel : function()
1118     {
1119         this.baseRotate = 1;
1120
1121         if(
1122                 typeof(this.exif) != 'undefined' &&
1123                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1124                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1125         ){
1126             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1127         }
1128
1129         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1130
1131     },
1132
1133     baseScaleLevel : function()
1134     {
1135         console.log("BASE SCALE LEVEL");
1136         var width, height;
1137
1138         if(this.isDocument){
1139
1140             if(this.baseRotate == 6 || this.baseRotate == 8){
1141
1142                 height = this.thumbEl.getHeight();
1143                 this.baseScale = height / this.imageEl.OriginWidth;
1144
1145                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1146                     width = this.thumbEl.getWidth();
1147                     this.baseScale = width / this.imageEl.OriginHeight;
1148                 }
1149
1150                 return;
1151             }
1152
1153             height = this.thumbEl.getHeight();
1154             this.baseScale = height / this.imageEl.OriginHeight;
1155
1156             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1157                 width = this.thumbEl.getWidth();
1158                 this.baseScale = width / this.imageEl.OriginWidth;
1159             }
1160
1161             return;
1162         }
1163
1164         if(this.baseRotate == 6 || this.baseRotate == 8){
1165
1166             width = this.thumbEl.getHeight();
1167             this.baseScale = width / this.imageEl.OriginHeight;
1168
1169             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1170                 height = this.thumbEl.getWidth();
1171                 this.baseScale = height / this.imageEl.OriginHeight;
1172             }
1173
1174             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1175                 height = this.thumbEl.getWidth();
1176                 this.baseScale = height / this.imageEl.OriginHeight;
1177
1178                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1179                     width = this.thumbEl.getHeight();
1180                     this.baseScale = width / this.imageEl.OriginWidth;
1181                 }
1182             }
1183
1184             return;
1185         }
1186
1187         width = this.thumbEl.getWidth();
1188         this.baseScale = width / this.imageEl.OriginWidth;
1189
1190         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1191             height = this.thumbEl.getHeight();
1192             this.baseScale = height / this.imageEl.OriginHeight;
1193         }
1194
1195         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1196
1197             height = this.thumbEl.getHeight();
1198             this.baseScale = height / this.imageEl.OriginHeight;
1199
1200             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1201                 width = this.thumbEl.getWidth();
1202                 this.baseScale = width / this.imageEl.OriginWidth;
1203             }
1204
1205         }
1206
1207         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1208             this.baseScale = width / this.minWidth;
1209         }
1210         console.log(this.baseScale);
1211         return;
1212     },
1213
1214     getScaleLevel : function()
1215     {
1216         return this.baseScale * Math.pow(1.02, this.scale);
1217     },
1218
1219     onTouchStart : function(e)
1220     {
1221         if(!this.canvasLoaded){
1222             this.beforeSelectFile(e);
1223             return;
1224         }
1225
1226         var touches = e.browserEvent.touches;
1227
1228         if(!touches){
1229             return;
1230         }
1231
1232         if(touches.length == 1){
1233             this.onMouseDown(e);
1234             return;
1235         }
1236
1237         if(touches.length != 2){
1238             return;
1239         }
1240
1241         var coords = [];
1242
1243         for(var i = 0, finger; finger = touches[i]; i++){
1244             coords.push(finger.pageX, finger.pageY);
1245         }
1246
1247         var x = Math.pow(coords[0] - coords[2], 2);
1248         var y = Math.pow(coords[1] - coords[3], 2);
1249
1250         this.startDistance = Math.sqrt(x + y);
1251
1252         this.startScale = this.scale;
1253
1254         this.pinching = true;
1255         this.dragable = false;
1256
1257     },
1258
1259     onTouchMove : function(e)
1260     {
1261         if(!this.pinching && !this.dragable){
1262             return;
1263         }
1264
1265         var touches = e.browserEvent.touches;
1266
1267         if(!touches){
1268             return;
1269         }
1270
1271         if(this.dragable){
1272             this.onMouseMove(e);
1273             return;
1274         }
1275
1276         var coords = [];
1277
1278         for(var i = 0, finger; finger = touches[i]; i++){
1279             coords.push(finger.pageX, finger.pageY);
1280         }
1281
1282         var x = Math.pow(coords[0] - coords[2], 2);
1283         var y = Math.pow(coords[1] - coords[3], 2);
1284
1285         this.endDistance = Math.sqrt(x + y);
1286
1287         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1288
1289         if(!this.zoomable()){
1290             this.scale = this.startScale;
1291             return;
1292         }
1293
1294         this.draw();
1295
1296     },
1297
1298     onTouchEnd : function(e)
1299     {
1300         this.pinching = false;
1301         this.dragable = false;
1302
1303     },
1304
1305     process : function(file, crop)
1306     {
1307         if(this.loadMask){
1308             this.maskEl.mask(this.loadingText);
1309         }
1310
1311         this.xhr = new XMLHttpRequest();
1312
1313         file.xhr = this.xhr;
1314
1315         this.xhr.open(this.method, this.url, true);
1316
1317         var headers = {
1318             "Accept": "application/json",
1319             "Cache-Control": "no-cache",
1320             "X-Requested-With": "XMLHttpRequest"
1321         };
1322
1323         for (var headerName in headers) {
1324             var headerValue = headers[headerName];
1325             if (headerValue) {
1326                 this.xhr.setRequestHeader(headerName, headerValue);
1327             }
1328         }
1329
1330         var _this = this;
1331
1332         this.xhr.onload = function()
1333         {
1334             _this.xhrOnLoad(_this.xhr);
1335         }
1336
1337         this.xhr.onerror = function()
1338         {
1339             _this.xhrOnError(_this.xhr);
1340         }
1341
1342         var formData = new FormData();
1343
1344         formData.append("onid", "43024");
1345         formData.append("ontable", "pressrelease_boilerplate");
1346
1347         formData.append('returnHTML', 'NO');
1348
1349         if(crop){
1350             formData.append('crop', crop);
1351             var blobBin = atob(crop.split(',')[1]);
1352             var array = [];
1353             for(var i = 0; i < blobBin.length; i++) {
1354                 array.push(blobBin.charCodeAt(i));
1355             }
1356             var croppedFile =new Blob([new Uint8Array(array)], {type: 'image/png'});
1357             formData.append(this.paramName, croppedFile, file.name);
1358         }
1359
1360         if(typeof(file.filename) != 'undefined'){
1361             formData.append('filename', file.filename);
1362         }
1363
1364         if(typeof(file.mimetype) != 'undefined'){
1365             formData.append('mimetype', file.mimetype);
1366         }
1367
1368         if(this.fireEvent('arrange', this, formData) != false){
1369             this.xhr.send(formData);
1370         };
1371     },
1372
1373     xhrOnLoad : function(xhr)
1374     {
1375         if(this.loadMask){
1376             this.maskEl.unmask();
1377         }
1378
1379         if (xhr.readyState !== 4) {
1380             this.fireEvent('exception', this, xhr);
1381             return;
1382         }
1383
1384         var response = Roo.decode(xhr.responseText);
1385
1386         if(!response.success){
1387             this.fireEvent('exception', this, xhr);
1388             return;
1389         }
1390
1391         var response = Roo.decode(xhr.responseText);
1392
1393         this.fireEvent('upload', this, response);
1394
1395     },
1396
1397     xhrOnError : function()
1398     {
1399         if(this.loadMask){
1400             this.maskEl.unmask();
1401         }
1402
1403         Roo.log('xhr on error');
1404
1405         var response = Roo.decode(xhr.responseText);
1406
1407         Roo.log(response);
1408
1409     },
1410
1411     prepare : function(file)
1412     {
1413         if(this.loadMask){
1414             this.maskEl.mask(this.loadingText);
1415         }
1416
1417         this.file = false;
1418         this.exif = {};
1419
1420         if(typeof(file) === 'string'){
1421             this.loadCanvas(file);
1422             return;
1423         }
1424
1425         if(!file || !this.urlAPI){
1426             return;
1427         }
1428
1429         this.file = file;
1430         this.cropType = file.type;
1431
1432         var _this = this;
1433
1434         if(this.fireEvent('prepare', this, this.file) != false){
1435
1436             var reader = new FileReader();
1437
1438             reader.onload = function (e) {
1439                 if (e.target.error) {
1440                     Roo.log(e.target.error);
1441                     return;
1442                 }
1443
1444                 var buffer = e.target.result,
1445                     dataView = new DataView(buffer),
1446                     offset = 2,
1447                     maxOffset = dataView.byteLength - 4,
1448                     markerBytes,
1449                     markerLength;
1450
1451                 if (dataView.getUint16(0) === 0xffd8) {
1452                     while (offset < maxOffset) {
1453                         markerBytes = dataView.getUint16(offset);
1454
1455                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1456                             markerLength = dataView.getUint16(offset + 2) + 2;
1457                             if (offset + markerLength > dataView.byteLength) {
1458                                 Roo.log('Invalid meta data: Invalid segment size.');
1459                                 break;
1460                             }
1461
1462                             if(markerBytes == 0xffe1){
1463                                 _this.parseExifData(
1464                                     dataView,
1465                                     offset,
1466                                     markerLength
1467                                 );
1468                             }
1469
1470                             offset += markerLength;
1471
1472                             continue;
1473                         }
1474
1475                         break;
1476                     }
1477
1478                 }
1479
1480                 var url = _this.urlAPI.createObjectURL(_this.file);
1481
1482                 _this.loadCanvas(url);
1483
1484                 return;
1485             }
1486
1487             reader.readAsArrayBuffer(this.file);
1488
1489         }
1490
1491     },
1492
1493     parseExifData : function(dataView, offset, length)
1494     {
1495         var tiffOffset = offset + 10,
1496             littleEndian,
1497             dirOffset;
1498
1499         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1500             // No Exif data, might be XMP data instead
1501             return;
1502         }
1503
1504         // Check for the ASCII code for "Exif" (0x45786966):
1505         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1506             // No Exif data, might be XMP data instead
1507             return;
1508         }
1509         if (tiffOffset + 8 > dataView.byteLength) {
1510             Roo.log('Invalid Exif data: Invalid segment size.');
1511             return;
1512         }
1513         // Check for the two null bytes:
1514         if (dataView.getUint16(offset + 8) !== 0x0000) {
1515             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1516             return;
1517         }
1518         // Check the byte alignment:
1519         switch (dataView.getUint16(tiffOffset)) {
1520         case 0x4949:
1521             littleEndian = true;
1522             break;
1523         case 0x4D4D:
1524             littleEndian = false;
1525             break;
1526         default:
1527             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1528             return;
1529         }
1530         // Check for the TIFF tag marker (0x002A):
1531         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1532             Roo.log('Invalid Exif data: Missing TIFF marker.');
1533             return;
1534         }
1535         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1536         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1537
1538         this.parseExifTags(
1539             dataView,
1540             tiffOffset,
1541             tiffOffset + dirOffset,
1542             littleEndian
1543         );
1544     },
1545
1546     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1547     {
1548         var tagsNumber,
1549             dirEndOffset,
1550             i;
1551         if (dirOffset + 6 > dataView.byteLength) {
1552             Roo.log('Invalid Exif data: Invalid directory offset.');
1553             return;
1554         }
1555         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1556         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1557         if (dirEndOffset + 4 > dataView.byteLength) {
1558             Roo.log('Invalid Exif data: Invalid directory size.');
1559             return;
1560         }
1561         for (i = 0; i < tagsNumber; i += 1) {
1562             this.parseExifTag(
1563                 dataView,
1564                 tiffOffset,
1565                 dirOffset + 2 + 12 * i, // tag offset
1566                 littleEndian
1567             );
1568         }
1569         // Return the offset to the next directory:
1570         return dataView.getUint32(dirEndOffset, littleEndian);
1571     },
1572
1573     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1574     {
1575         var tag = dataView.getUint16(offset, littleEndian);
1576
1577         this.exif[tag] = this.getExifValue(
1578             dataView,
1579             tiffOffset,
1580             offset,
1581             dataView.getUint16(offset + 2, littleEndian), // tag type
1582             dataView.getUint32(offset + 4, littleEndian), // tag length
1583             littleEndian
1584         );
1585     },
1586
1587     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1588     {
1589         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1590             tagSize,
1591             dataOffset,
1592             values,
1593             i,
1594             str,
1595             c;
1596
1597         if (!tagType) {
1598             Roo.log('Invalid Exif data: Invalid tag type.');
1599             return;
1600         }
1601
1602         tagSize = tagType.size * length;
1603         // Determine if the value is contained in the dataOffset bytes,
1604         // or if the value at the dataOffset is a pointer to the actual data:
1605         dataOffset = tagSize > 4 ?
1606                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1607         if (dataOffset + tagSize > dataView.byteLength) {
1608             Roo.log('Invalid Exif data: Invalid data offset.');
1609             return;
1610         }
1611         if (length === 1) {
1612             return tagType.getValue(dataView, dataOffset, littleEndian);
1613         }
1614         values = [];
1615         for (i = 0; i < length; i += 1) {
1616             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1617         }
1618
1619         if (tagType.ascii) {
1620             str = '';
1621             // Concatenate the chars:
1622             for (i = 0; i < values.length; i += 1) {
1623                 c = values[i];
1624                 // Ignore the terminating NULL byte(s):
1625                 if (c === '\u0000') {
1626                     break;
1627                 }
1628                 str += c;
1629             }
1630             return str;
1631         }
1632         return values;
1633     }
1634
1635 });
1636
1637 Roo.apply(Roo.dialog.UploadCropbox, {
1638     tags : {
1639         'Orientation': 0x0112
1640     },
1641
1642     Orientation: {
1643             1: 0, //'top-left',
1644 //            2: 'top-right',
1645             3: 180, //'bottom-right',
1646 //            4: 'bottom-left',
1647 //            5: 'left-top',
1648             6: 90, //'right-top',
1649 //            7: 'right-bottom',
1650             8: 270 //'left-bottom'
1651     },
1652
1653     exifTagTypes : {
1654         // byte, 8-bit unsigned int:
1655         1: {
1656             getValue: function (dataView, dataOffset) {
1657                 return dataView.getUint8(dataOffset);
1658             },
1659             size: 1
1660         },
1661         // ascii, 8-bit byte:
1662         2: {
1663             getValue: function (dataView, dataOffset) {
1664                 return String.fromCharCode(dataView.getUint8(dataOffset));
1665             },
1666             size: 1,
1667             ascii: true
1668         },
1669         // short, 16 bit int:
1670         3: {
1671             getValue: function (dataView, dataOffset, littleEndian) {
1672                 return dataView.getUint16(dataOffset, littleEndian);
1673             },
1674             size: 2
1675         },
1676         // long, 32 bit int:
1677         4: {
1678             getValue: function (dataView, dataOffset, littleEndian) {
1679                 return dataView.getUint32(dataOffset, littleEndian);
1680             },
1681             size: 4
1682         },
1683         // rational = two long values, first is numerator, second is denominator:
1684         5: {
1685             getValue: function (dataView, dataOffset, littleEndian) {
1686                 return dataView.getUint32(dataOffset, littleEndian) /
1687                     dataView.getUint32(dataOffset + 4, littleEndian);
1688             },
1689             size: 8
1690         },
1691         // slong, 32 bit signed int:
1692         9: {
1693             getValue: function (dataView, dataOffset, littleEndian) {
1694                 return dataView.getInt32(dataOffset, littleEndian);
1695             },
1696             size: 4
1697         },
1698         // srational, two slongs, first is numerator, second is denominator:
1699         10: {
1700             getValue: function (dataView, dataOffset, littleEndian) {
1701                 return dataView.getInt32(dataOffset, littleEndian) /
1702                     dataView.getInt32(dataOffset + 4, littleEndian);
1703             },
1704             size: 8
1705         }
1706     },
1707
1708     footer : {
1709         STANDARD : [
1710             {
1711                 tag : 'div',
1712                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1713                 action : 'rotate-left',
1714                 cn : [
1715                     {
1716                         tag : 'button',
1717                         cls : 'btn btn-default',
1718                         html : '<i class="fa fa-undo"></i>'
1719                     }
1720                 ]
1721             },
1722             {
1723                 tag : 'div',
1724                 cls : 'btn-group roo-upload-cropbox-picture',
1725                 action : 'picture',
1726                 cn : [
1727                     {
1728                         tag : 'button',
1729                         cls : 'btn btn-default',
1730                         html : '<i class="fa fa-picture-o"></i>'
1731                     }
1732                 ]
1733             },
1734             {
1735                 tag : 'div',
1736                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1737                 action : 'rotate-right',
1738                 cn : [
1739                     {
1740                         tag : 'button',
1741                         cls : 'btn btn-default',
1742                         html : '<i class="fa fa-repeat"></i>'
1743                     }
1744                 ]
1745             }
1746         ],
1747         DOCUMENT : [
1748             {
1749                 tag : 'div',
1750                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1751                 action : 'rotate-left',
1752                 cn : [
1753                     {
1754                         tag : 'button',
1755                         cls : 'btn btn-default',
1756                         html : '<i class="fa fa-undo"></i>'
1757                     }
1758                 ]
1759             },
1760             {
1761                 tag : 'div',
1762                 cls : 'btn-group roo-upload-cropbox-download',
1763                 action : 'download',
1764                 cn : [
1765                     {
1766                         tag : 'button',
1767                         cls : 'btn btn-default',
1768                         html : '<i class="fa fa-download"></i>'
1769                     }
1770                 ]
1771             },
1772             {
1773                 tag : 'div',
1774                 cls : 'btn-group roo-upload-cropbox-crop',
1775                 action : 'crop',
1776                 cn : [
1777                     {
1778                         tag : 'button',
1779                         cls : 'btn btn-default',
1780                         html : '<i class="fa fa-crop"></i>'
1781                     }
1782                 ]
1783             },
1784             {
1785                 tag : 'div',
1786                 cls : 'btn-group roo-upload-cropbox-trash',
1787                 action : 'trash',
1788                 cn : [
1789                     {
1790                         tag : 'button',
1791                         cls : 'btn btn-default',
1792                         html : '<i class="fa fa-trash"></i>'
1793                     }
1794                 ]
1795             },
1796             {
1797                 tag : 'div',
1798                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1799                 action : 'rotate-right',
1800                 cn : [
1801                     {
1802                         tag : 'button',
1803                         cls : 'btn btn-default',
1804                         html : '<i class="fa fa-repeat"></i>'
1805                     }
1806                 ]
1807             }
1808         ],
1809         ROTATOR : [
1810             {
1811                 tag : 'div',
1812                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1813                 action : 'rotate-left',
1814                 cn : [
1815                     {
1816                         tag : 'button',
1817                         cls : 'btn btn-default',
1818                         html : '<i class="fa fa-undo"></i>'
1819                     }
1820                 ]
1821             },
1822             {
1823                 tag : 'div',
1824                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1825                 action : 'rotate-right',
1826                 cn : [
1827                     {
1828                         tag : 'button',
1829                         cls : 'btn btn-default',
1830                         html : '<i class="fa fa-repeat"></i>'
1831                     }
1832                 ]
1833             }
1834         ]
1835     }
1836 });