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         console.log("ON LOAD CANVAS");
 433         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 434         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 435
 436         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 437
 438             this.bodyEl.un('click', this.beforeSelectFile, this);
 439
 440             this.notifyEl.hide();
 441             this.thumbEl.show();
 442             this.footerEl.show();
 443
 444             this.baseRotateLevel();
 445
 446             if(this.isDocument){
 447                 this.setThumbBoxSize();
 448             }
 449
 450             this.setThumbBoxPosition();
 451
 452             this.baseScaleLevel();
 453
 454             this.draw();
 455
 456             this.resize();
 457
 458             this.canvasLoaded = true;
 459
 460         }
 461
 462         if(this.loadMask){
 463             this.maskEl.unmask();
 464         }
 465
 466     },
 467
 468     setCanvasPosition : function()
 469     {
 470         console.log("SET CANVAS POSITION");
 471         if(!this.canvasEl){
 472             return;
 473         }
 474
 475         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 476         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 477
 478         this.previewEl.setLeft(pw);
 479         this.previewEl.setTop(ph);
 480
 481     },
 482
 483     onMouseDown : function(e)
 484     {
 485         e.stopEvent();
 486
 487         this.dragable = true;
 488         this.pinching = false;
 489
 490         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 491             this.dragable = false;
 492             return;
 493         }
 494
 495         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 496         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 497
 498     },
 499
 500     onMouseMove : function(e)
 501     {
 502         e.stopEvent();
 503
 504         if(!this.canvasLoaded){
 505             return;
 506         }
 507
 508         if (!this.dragable){
 509             return;
 510         }
 511
 512         var minX = Math.ceil(this.thumbEl.getLeft(true));
 513         var minY = Math.ceil(this.thumbEl.getTop(true));
 514
 515         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 516         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 517
 518         if(minX > maxX) {
 519             var tempX = minX;
 520             minX = maxX;
 521             maxX = tempX;
 522         }
 523
 524         if(minY > maxY) {
 525             var tempY = minY;
 526             minY = maxY;
 527             maxY = tempY;
 528         }
 529
 530         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 531         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 532
 533         x = x - this.mouseX;
 534         y = y - this.mouseY;
 535
 536         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 537         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 538
 539         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 540         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 541
 542         this.previewEl.setLeft(bgX);
 543         this.previewEl.setTop(bgY);
 544
 545         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 546         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 547     },
 548
 549     onMouseUp : function(e)
 550     {
 551         e.stopEvent();
 552
 553         this.dragable = false;
 554     },
 555
 556     onMouseWheel : function(e)
 557     {
 558         e.stopEvent();
 559
 560         this.startScale = this.scale;
 561         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 562
 563         console.log("START SCALE:" + this.startScale);
 564         console.log("TEST SCALE: " + this.scale);
 565         if(!this.zoomable()){
 566             this.scale = this.startScale;
 567             return;
 568         }
 569
 570         console.log("END SCALE: " + this.scale);
 571
 572         this.draw();
 573
 574         return;
 575     },
 576
 577     zoomable : function()
 578     {
 579         var minScale = this.thumbEl.getWidth() / this.minWidth;
 580
 581         if(this.minWidth < this.minHeight){
 582             minScale = this.thumbEl.getHeight() / this.minHeight;
 583         }
 584
 585         console.log("MINSCALE: " + minScale);
 586
 587         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 588         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 589
 590         console.log("WIDTH: " + width);
 591         console.log("HEIGHT: " + height);
 592
 593         var maxWidth = this.imageEl.OriginWidth;
 594         var maxHeight = this.imageEl.OriginHeight;
 595
 596         if(
 597                 this.isDocument &&
 598                 (this.rotate == 0 || this.rotate == 180) &&
 599                 (
 600                     width > this.imageEl.OriginWidth ||
 601                     height > this.imageEl.OriginHeight ||
 602                     (width < this.minWidth && height < this.minHeight)
 603                 )
 604         ){
 605             return false;
 606         }
 607
 608         if(
 609                 this.isDocument &&
 610                 (this.rotate == 90 || this.rotate == 270) &&
 611                 (
 612                     width > this.imageEl.OriginWidth ||
 613                     height > this.imageEl.OriginHeight ||
 614                     (width < this.minHeight && height < this.minWidth)
 615                 )
 616         ){
 617             return false;
 618         }
 619
 620         if(
 621                 !this.isDocument &&
 622                 (this.rotate == 0 || this.rotate == 180) &&
 623                 (
 624                     width < this.minWidth ||
 625                     height < this.minHeight ||
 626                     width > maxWidth ||
 627                     height > maxHeight
 628                 )
 629         ){
 630             return false;
 631         }
 632
 633         if(
 634                 !this.isDocument &&
 635                 (this.rotate == 90 || this.rotate == 270) &&
 636                 (
 637                     width < this.minHeight ||
 638                     width > this.imageEl.OriginWidth ||
 639                     height < this.minWidth ||
 640                     height > this.imageEl.OriginHeight
 641                 )
 642         ){
 643             return false;
 644         }
 645
 646         return true;
 647
 648     },
 649
 650     onRotateLeft : function(e)
 651     {
 652         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 653
 654             var minScale = this.thumbEl.getWidth() / this.minWidth;
 655
 656             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 657             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 658
 659             this.startScale = this.scale;
 660
 661             while (this.getScaleLevel() < minScale){
 662
 663                 this.scale = this.scale + 1;
 664
 665                 if(!this.zoomable()){
 666                     break;
 667                 }
 668
 669                 if(
 670                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 671                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 672                 ){
 673                     continue;
 674                 }
 675
 676                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 677
 678                 this.draw();
 679
 680                 return;
 681             }
 682
 683             this.scale = this.startScale;
 684
 685             this.onRotateFail();
 686
 687             return false;
 688         }
 689
 690         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 691
 692         if(this.isDocument){
 693             this.setThumbBoxSize();
 694             this.setThumbBoxPosition();
 695             this.setCanvasPosition();
 696         }
 697
 698         this.draw();
 699
 700         this.fireEvent('rotate', this, 'left');
 701
 702     },
 703
 704     onRotateRight : function(e)
 705     {
 706         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 707
 708             var minScale = this.thumbEl.getWidth() / this.minWidth;
 709
 710             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 711             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 712
 713             this.startScale = this.scale;
 714
 715             while (this.getScaleLevel() < minScale){
 716
 717                 this.scale = this.scale + 1;
 718
 719                 if(!this.zoomable()){
 720                     break;
 721                 }
 722
 723                 if(
 724                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 725                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 726                 ){
 727                     continue;
 728                 }
 729
 730                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 731
 732                 this.draw();
 733
 734                 return;
 735             }
 736
 737             this.scale = this.startScale;
 738
 739             this.onRotateFail();
 740
 741             return false;
 742         }
 743
 744         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 745
 746         if(this.isDocument){
 747             this.setThumbBoxSize();
 748             this.setThumbBoxPosition();
 749             this.setCanvasPosition();
 750         }
 751
 752         this.draw();
 753
 754         this.fireEvent('rotate', this, 'right');
 755     },
 756
 757     onRotateFail : function()
 758     {
 759         this.errorEl.show(true);
 760
 761         var _this = this;
 762
 763         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 764     },
 765
 766     draw : function()
 767     {
 768         console.log("DRAW");
 769         this.previewEl.dom.innerHTML = '';
 770
 771         var canvasEl = document.createElement("canvas");
 772
 773         var contextEl = canvasEl.getContext("2d");
 774
 775         console.log(this.getScaleLevel());
 776
 777         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 778         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 779         var center = this.imageEl.OriginWidth / 2;
 780
 781         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 782             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 783             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 784             center = this.imageEl.OriginHeight / 2;
 785         }
 786
 787         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 788
 789         contextEl.translate(center, center);
 790         contextEl.rotate(this.rotate * Math.PI / 180);
 791
 792         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 793
 794         this.canvasEl = document.createElement("canvas");
 795
 796         this.contextEl = this.canvasEl.getContext("2d");
 797
 798         switch (this.rotate) {
 799             case 0 :
 800
 801                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 802                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 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 90 :
 808
 809                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 810                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 811
 812                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 813                     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);
 814                     break;
 815                 }
 816
 817                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 818
 819                 break;
 820             case 180 :
 821
 822                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 823                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 824
 825                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 826                     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);
 827                     break;
 828                 }
 829
 830                 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);
 831
 832                 break;
 833             case 270 :
 834
 835                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 836                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 837
 838                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 839                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 840                     break;
 841                 }
 842
 843                 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);
 844
 845                 break;
 846             default :
 847                 break;
 848         }
 849
 850         this.previewEl.appendChild(this.canvasEl);
 851
 852         this.setCanvasPosition();
 853     },
 854
 855     crop : function()
 856     {
 857         if(!this.canvasLoaded){
 858             return;
 859         }
 860
 861         var imageCanvas = document.createElement("canvas");
 862
 863         var imageContext = imageCanvas.getContext("2d");
 864
 865         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 866         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 867
 868         var center = imageCanvas.width / 2;
 869
 870         imageContext.translate(center, center);
 871
 872         imageContext.rotate(this.rotate * Math.PI / 180);
 873
 874         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 875
 876         var canvas = document.createElement("canvas");
 877
 878         var context = canvas.getContext("2d");
 879
 880         canvas.width = this.minWidth;
 881         canvas.height = this.minHeight;
 882
 883         switch (this.rotate) {
 884             case 0 :
 885
 886                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 887                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 888
 889                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 890                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 891
 892                 var targetWidth = this.minWidth - 2 * x;
 893                 var targetHeight = this.minHeight - 2 * y;
 894
 895                 var scale = 1;
 896
 897                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 898                     scale = targetWidth / width;
 899                 }
 900
 901                 if(x > 0 && y == 0){
 902                     scale = targetHeight / height;
 903                 }
 904
 905                 if(x > 0 && y > 0){
 906                     scale = targetWidth / width;
 907
 908                     if(width < height){
 909                         scale = targetHeight / height;
 910                     }
 911                 }
 912
 913                 context.scale(scale, scale);
 914
 915                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 916                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 917
 918                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 919                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 920
 921                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 922
 923                 break;
 924             case 90 :
 925
 926                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 927                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 928
 929                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 930                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 931
 932                 var targetWidth = this.minWidth - 2 * x;
 933                 var targetHeight = this.minHeight - 2 * y;
 934
 935                 var scale = 1;
 936
 937                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 938                     scale = targetWidth / width;
 939                 }
 940
 941                 if(x > 0 && y == 0){
 942                     scale = targetHeight / height;
 943                 }
 944
 945                 if(x > 0 && y > 0){
 946                     scale = targetWidth / width;
 947
 948                     if(width < height){
 949                         scale = targetHeight / height;
 950                     }
 951                 }
 952
 953                 context.scale(scale, scale);
 954
 955                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 956                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 957
 958                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 959                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 960
 961                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 962
 963                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 964
 965                 break;
 966             case 180 :
 967
 968                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 969                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 970
 971                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 972                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 973
 974                 var targetWidth = this.minWidth - 2 * x;
 975                 var targetHeight = this.minHeight - 2 * y;
 976
 977                 var scale = 1;
 978
 979                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 980                     scale = targetWidth / width;
 981                 }
 982
 983                 if(x > 0 && y == 0){
 984                     scale = targetHeight / height;
 985                 }
 986
 987                 if(x > 0 && y > 0){
 988                     scale = targetWidth / width;
 989
 990                     if(width < height){
 991                         scale = targetHeight / height;
 992                     }
 993                 }
 994
 995                 context.scale(scale, scale);
 996
 997                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 998                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 999
1000                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1001                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1002
1003                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1004                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1005
1006                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1007
1008                 break;
1009             case 270 :
1010
1011                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1012                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1013
1014                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1015                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1016
1017                 var targetWidth = this.minWidth - 2 * x;
1018                 var targetHeight = this.minHeight - 2 * y;
1019
1020                 var scale = 1;
1021
1022                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1023                     scale = targetWidth / width;
1024                 }
1025
1026                 if(x > 0 && y == 0){
1027                     scale = targetHeight / height;
1028                 }
1029
1030                 if(x > 0 && y > 0){
1031                     scale = targetWidth / width;
1032
1033                     if(width < height){
1034                         scale = targetHeight / height;
1035                     }
1036                 }
1037
1038                 context.scale(scale, scale);
1039                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1040                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1041
1042                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1043                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1044
1045                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1046
1047                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1048
1049                 break;
1050             default :
1051                 break;
1052         }
1053
1054         this.cropData = canvas.toDataURL(this.cropType);
1055
1056         if(this.fireEvent('crop', this, this.cropData) !== false){
1057             this.process(this.file, this.cropData);
1058         }
1059
1060         return;
1061
1062     },
1063
1064     setThumbBoxSize : function()
1065     {
1066         var width, height;
1067
1068         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1069             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1070             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1071
1072             this.minWidth = width;
1073             this.minHeight = height;
1074
1075             if(this.rotate == 90 || this.rotate == 270){
1076                 this.minWidth = height;
1077                 this.minHeight = width;
1078             }
1079         }
1080
1081         height = 300;
1082         width = Math.ceil(this.minWidth * height / this.minHeight);
1083
1084         if(this.minWidth > this.minHeight){
1085             width = 300;
1086             height = Math.ceil(this.minHeight * width / this.minWidth);
1087         }
1088
1089         this.thumbEl.setStyle({
1090             width : width + 'px',
1091             height : height + 'px'
1092         });
1093
1094         return;
1095
1096     },
1097
1098     setThumbBoxPosition : function()
1099     {
1100         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1101         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1102
1103         this.thumbEl.setLeft(x);
1104         this.thumbEl.setTop(y);
1105
1106     },
1107
1108     baseRotateLevel : function()
1109     {
1110         this.baseRotate = 1;
1111
1112         if(
1113                 typeof(this.exif) != 'undefined' &&
1114                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1115                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1116         ){
1117             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1118         }
1119
1120         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1121
1122     },
1123
1124     baseScaleLevel : function()
1125     {
1126         console.log("BASE SCALE LEVEL");
1127         var width, height;
1128
1129         if(this.isDocument){
1130
1131             if(this.baseRotate == 6 || this.baseRotate == 8){
1132
1133                 height = this.thumbEl.getHeight();
1134                 this.baseScale = height / this.imageEl.OriginWidth;
1135
1136                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1137                     width = this.thumbEl.getWidth();
1138                     this.baseScale = width / this.imageEl.OriginHeight;
1139                 }
1140
1141                 return;
1142             }
1143
1144             height = this.thumbEl.getHeight();
1145             this.baseScale = height / this.imageEl.OriginHeight;
1146
1147             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1148                 width = this.thumbEl.getWidth();
1149                 this.baseScale = width / this.imageEl.OriginWidth;
1150             }
1151
1152             return;
1153         }
1154
1155         if(this.baseRotate == 6 || this.baseRotate == 8){
1156
1157             width = this.thumbEl.getHeight();
1158             this.baseScale = width / this.imageEl.OriginHeight;
1159
1160             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1161                 height = this.thumbEl.getWidth();
1162                 this.baseScale = height / this.imageEl.OriginHeight;
1163             }
1164
1165             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1166                 height = this.thumbEl.getWidth();
1167                 this.baseScale = height / this.imageEl.OriginHeight;
1168
1169                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1170                     width = this.thumbEl.getHeight();
1171                     this.baseScale = width / this.imageEl.OriginWidth;
1172                 }
1173             }
1174
1175             return;
1176         }
1177
1178         width = this.thumbEl.getWidth();
1179         this.baseScale = width / this.imageEl.OriginWidth;
1180
1181         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1182             height = this.thumbEl.getHeight();
1183             this.baseScale = height / this.imageEl.OriginHeight;
1184         }
1185
1186         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1187
1188             height = this.thumbEl.getHeight();
1189             this.baseScale = height / this.imageEl.OriginHeight;
1190
1191             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1192                 width = this.thumbEl.getWidth();
1193                 this.baseScale = width / this.imageEl.OriginWidth;
1194             }
1195
1196         }
1197
1198         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1199             this.baseScale = width / this.minWidth;
1200         }
1201         console.log(this.baseScale);
1202         return;
1203     },
1204
1205     getScaleLevel : function()
1206     {
1207         return this.baseScale * Math.pow(1.02, this.scale);
1208     },
1209
1210     onTouchStart : function(e)
1211     {
1212         if(!this.canvasLoaded){
1213             this.beforeSelectFile(e);
1214             return;
1215         }
1216
1217         var touches = e.browserEvent.touches;
1218
1219         if(!touches){
1220             return;
1221         }
1222
1223         if(touches.length == 1){
1224             this.onMouseDown(e);
1225             return;
1226         }
1227
1228         if(touches.length != 2){
1229             return;
1230         }
1231
1232         var coords = [];
1233
1234         for(var i = 0, finger; finger = touches[i]; i++){
1235             coords.push(finger.pageX, finger.pageY);
1236         }
1237
1238         var x = Math.pow(coords[0] - coords[2], 2);
1239         var y = Math.pow(coords[1] - coords[3], 2);
1240
1241         this.startDistance = Math.sqrt(x + y);
1242
1243         this.startScale = this.scale;
1244
1245         this.pinching = true;
1246         this.dragable = false;
1247
1248     },
1249
1250     onTouchMove : function(e)
1251     {
1252         if(!this.pinching && !this.dragable){
1253             return;
1254         }
1255
1256         var touches = e.browserEvent.touches;
1257
1258         if(!touches){
1259             return;
1260         }
1261
1262         if(this.dragable){
1263             this.onMouseMove(e);
1264             return;
1265         }
1266
1267         var coords = [];
1268
1269         for(var i = 0, finger; finger = touches[i]; i++){
1270             coords.push(finger.pageX, finger.pageY);
1271         }
1272
1273         var x = Math.pow(coords[0] - coords[2], 2);
1274         var y = Math.pow(coords[1] - coords[3], 2);
1275
1276         this.endDistance = Math.sqrt(x + y);
1277
1278         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1279
1280         if(!this.zoomable()){
1281             this.scale = this.startScale;
1282             return;
1283         }
1284
1285         this.draw();
1286
1287     },
1288
1289     onTouchEnd : function(e)
1290     {
1291         this.pinching = false;
1292         this.dragable = false;
1293
1294     },
1295
1296     process : function(file, crop)
1297     {
1298         console.log("process");
1299         if(this.loadMask){
1300             this.maskEl.mask(this.loadingText);
1301         }
1302
1303         this.xhr = new XMLHttpRequest();
1304
1305         file.xhr = this.xhr;
1306
1307         console.log("METHOD:" + this.method);
1308         console.log("URL: " + this.url);
1309         this.xhr.open(this.method, this.url, true);
1310
1311         var headers = {
1312             "Accept": "application/json",
1313             "Cache-Control": "no-cache",
1314             "X-Requested-With": "XMLHttpRequest"
1315         };
1316
1317         for (var headerName in headers) {
1318             var headerValue = headers[headerName];
1319             if (headerValue) {
1320                 this.xhr.setRequestHeader(headerName, headerValue);
1321             }
1322         }
1323
1324         var _this = this;
1325
1326         this.xhr.onload = function()
1327         {
1328             _this.xhrOnLoad(_this.xhr);
1329         }
1330
1331         this.xhr.onerror = function()
1332         {
1333             _this.xhrOnError(_this.xhr);
1334         }
1335
1336         var formData = new FormData();
1337
1338         formData.append("onid", "43024");
1339         formData.append("ontable", "pressrelease_boilerplate");
1340
1341         formData.append('returnHTML', 'NO');
1342
1343         if(crop){
1344             formData.append('crop', crop);
1345             var blobBin = atob(crop.split(',')[1]);
1346             var array = [];
1347             for(var i = 0; i < blobBin.length; i++) {
1348                 array.push(blobBin.charCodeAt(i));
1349             }
1350             var croppedFile =new Blob([new Uint8Array(array)], {type: 'image/png'});
1351             formData.append(this.paramName, croppedFile, file.name);
1352         }
1353
1354         if(typeof(file.filename) != 'undefined'){
1355             formData.append('filename', file.filename);
1356         }
1357
1358         if(typeof(file.mimetype) != 'undefined'){
1359             formData.append('mimetype', file.mimetype);
1360         }
1361
1362         if(this.fireEvent('arrange', this, formData) != false){
1363             this.xhr.send(formData);
1364         };
1365     },
1366
1367     xhrOnLoad : function(xhr)
1368     {
1369         if(this.loadMask){
1370             this.maskEl.unmask();
1371         }
1372
1373         if (xhr.readyState !== 4) {
1374             this.fireEvent('exception', this, xhr);
1375             return;
1376         }
1377
1378         var response = Roo.decode(xhr.responseText);
1379
1380         if(!response.success){
1381             this.fireEvent('exception', this, xhr);
1382             return;
1383         }
1384
1385         var response = Roo.decode(xhr.responseText);
1386
1387         this.fireEvent('upload', this, response);
1388
1389     },
1390
1391     xhrOnError : function()
1392     {
1393         if(this.loadMask){
1394             this.maskEl.unmask();
1395         }
1396
1397         Roo.log('xhr on error');
1398
1399         var response = Roo.decode(xhr.responseText);
1400
1401         Roo.log(response);
1402
1403     },
1404
1405     prepare : function(file)
1406     {
1407         if(this.loadMask){
1408             this.maskEl.mask(this.loadingText);
1409         }
1410
1411         this.file = false;
1412         this.exif = {};
1413
1414         if(typeof(file) === 'string'){
1415             this.loadCanvas(file);
1416             return;
1417         }
1418
1419         if(!file || !this.urlAPI){
1420             return;
1421         }
1422
1423         this.file = file;
1424         this.cropType = file.type;
1425
1426         var _this = this;
1427
1428         if(this.fireEvent('prepare', this, this.file) != false){
1429
1430             var reader = new FileReader();
1431
1432             reader.onload = function (e) {
1433                 if (e.target.error) {
1434                     Roo.log(e.target.error);
1435                     return;
1436                 }
1437
1438                 var buffer = e.target.result,
1439                     dataView = new DataView(buffer),
1440                     offset = 2,
1441                     maxOffset = dataView.byteLength - 4,
1442                     markerBytes,
1443                     markerLength;
1444
1445                 if (dataView.getUint16(0) === 0xffd8) {
1446                     while (offset < maxOffset) {
1447                         markerBytes = dataView.getUint16(offset);
1448
1449                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1450                             markerLength = dataView.getUint16(offset + 2) + 2;
1451                             if (offset + markerLength > dataView.byteLength) {
1452                                 Roo.log('Invalid meta data: Invalid segment size.');
1453                                 break;
1454                             }
1455
1456                             if(markerBytes == 0xffe1){
1457                                 _this.parseExifData(
1458                                     dataView,
1459                                     offset,
1460                                     markerLength
1461                                 );
1462                             }
1463
1464                             offset += markerLength;
1465
1466                             continue;
1467                         }
1468
1469                         break;
1470                     }
1471
1472                 }
1473
1474                 var url = _this.urlAPI.createObjectURL(_this.file);
1475
1476                 _this.loadCanvas(url);
1477
1478                 return;
1479             }
1480
1481             reader.readAsArrayBuffer(this.file);
1482
1483         }
1484
1485     },
1486
1487     parseExifData : function(dataView, offset, length)
1488     {
1489         var tiffOffset = offset + 10,
1490             littleEndian,
1491             dirOffset;
1492
1493         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1494             // No Exif data, might be XMP data instead
1495             return;
1496         }
1497
1498         // Check for the ASCII code for "Exif" (0x45786966):
1499         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1500             // No Exif data, might be XMP data instead
1501             return;
1502         }
1503         if (tiffOffset + 8 > dataView.byteLength) {
1504             Roo.log('Invalid Exif data: Invalid segment size.');
1505             return;
1506         }
1507         // Check for the two null bytes:
1508         if (dataView.getUint16(offset + 8) !== 0x0000) {
1509             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1510             return;
1511         }
1512         // Check the byte alignment:
1513         switch (dataView.getUint16(tiffOffset)) {
1514         case 0x4949:
1515             littleEndian = true;
1516             break;
1517         case 0x4D4D:
1518             littleEndian = false;
1519             break;
1520         default:
1521             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1522             return;
1523         }
1524         // Check for the TIFF tag marker (0x002A):
1525         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1526             Roo.log('Invalid Exif data: Missing TIFF marker.');
1527             return;
1528         }
1529         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1530         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1531
1532         this.parseExifTags(
1533             dataView,
1534             tiffOffset,
1535             tiffOffset + dirOffset,
1536             littleEndian
1537         );
1538     },
1539
1540     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1541     {
1542         var tagsNumber,
1543             dirEndOffset,
1544             i;
1545         if (dirOffset + 6 > dataView.byteLength) {
1546             Roo.log('Invalid Exif data: Invalid directory offset.');
1547             return;
1548         }
1549         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1550         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1551         if (dirEndOffset + 4 > dataView.byteLength) {
1552             Roo.log('Invalid Exif data: Invalid directory size.');
1553             return;
1554         }
1555         for (i = 0; i < tagsNumber; i += 1) {
1556             this.parseExifTag(
1557                 dataView,
1558                 tiffOffset,
1559                 dirOffset + 2 + 12 * i, // tag offset
1560                 littleEndian
1561             );
1562         }
1563         // Return the offset to the next directory:
1564         return dataView.getUint32(dirEndOffset, littleEndian);
1565     },
1566
1567     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1568     {
1569         var tag = dataView.getUint16(offset, littleEndian);
1570
1571         this.exif[tag] = this.getExifValue(
1572             dataView,
1573             tiffOffset,
1574             offset,
1575             dataView.getUint16(offset + 2, littleEndian), // tag type
1576             dataView.getUint32(offset + 4, littleEndian), // tag length
1577             littleEndian
1578         );
1579     },
1580
1581     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1582     {
1583         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1584             tagSize,
1585             dataOffset,
1586             values,
1587             i,
1588             str,
1589             c;
1590
1591         if (!tagType) {
1592             Roo.log('Invalid Exif data: Invalid tag type.');
1593             return;
1594         }
1595
1596         tagSize = tagType.size * length;
1597         // Determine if the value is contained in the dataOffset bytes,
1598         // or if the value at the dataOffset is a pointer to the actual data:
1599         dataOffset = tagSize > 4 ?
1600                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1601         if (dataOffset + tagSize > dataView.byteLength) {
1602             Roo.log('Invalid Exif data: Invalid data offset.');
1603             return;
1604         }
1605         if (length === 1) {
1606             return tagType.getValue(dataView, dataOffset, littleEndian);
1607         }
1608         values = [];
1609         for (i = 0; i < length; i += 1) {
1610             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1611         }
1612
1613         if (tagType.ascii) {
1614             str = '';
1615             // Concatenate the chars:
1616             for (i = 0; i < values.length; i += 1) {
1617                 c = values[i];
1618                 // Ignore the terminating NULL byte(s):
1619                 if (c === '\u0000') {
1620                     break;
1621                 }
1622                 str += c;
1623             }
1624             return str;
1625         }
1626         return values;
1627     }
1628
1629 });
1630
1631 Roo.apply(Roo.dialog.UploadCropbox, {
1632     tags : {
1633         'Orientation': 0x0112
1634     },
1635
1636     Orientation: {
1637             1: 0, //'top-left',
1638 //            2: 'top-right',
1639             3: 180, //'bottom-right',
1640 //            4: 'bottom-left',
1641 //            5: 'left-top',
1642             6: 90, //'right-top',
1643 //            7: 'right-bottom',
1644             8: 270 //'left-bottom'
1645     },
1646
1647     exifTagTypes : {
1648         // byte, 8-bit unsigned int:
1649         1: {
1650             getValue: function (dataView, dataOffset) {
1651                 return dataView.getUint8(dataOffset);
1652             },
1653             size: 1
1654         },
1655         // ascii, 8-bit byte:
1656         2: {
1657             getValue: function (dataView, dataOffset) {
1658                 return String.fromCharCode(dataView.getUint8(dataOffset));
1659             },
1660             size: 1,
1661             ascii: true
1662         },
1663         // short, 16 bit int:
1664         3: {
1665             getValue: function (dataView, dataOffset, littleEndian) {
1666                 return dataView.getUint16(dataOffset, littleEndian);
1667             },
1668             size: 2
1669         },
1670         // long, 32 bit int:
1671         4: {
1672             getValue: function (dataView, dataOffset, littleEndian) {
1673                 return dataView.getUint32(dataOffset, littleEndian);
1674             },
1675             size: 4
1676         },
1677         // rational = two long values, first is numerator, second is denominator:
1678         5: {
1679             getValue: function (dataView, dataOffset, littleEndian) {
1680                 return dataView.getUint32(dataOffset, littleEndian) /
1681                     dataView.getUint32(dataOffset + 4, littleEndian);
1682             },
1683             size: 8
1684         },
1685         // slong, 32 bit signed int:
1686         9: {
1687             getValue: function (dataView, dataOffset, littleEndian) {
1688                 return dataView.getInt32(dataOffset, littleEndian);
1689             },
1690             size: 4
1691         },
1692         // srational, two slongs, first is numerator, second is denominator:
1693         10: {
1694             getValue: function (dataView, dataOffset, littleEndian) {
1695                 return dataView.getInt32(dataOffset, littleEndian) /
1696                     dataView.getInt32(dataOffset + 4, littleEndian);
1697             },
1698             size: 8
1699         }
1700     },
1701
1702     footer : {
1703         STANDARD : [
1704             {
1705                 tag : 'div',
1706                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1707                 action : 'rotate-left',
1708                 cn : [
1709                     {
1710                         tag : 'button',
1711                         cls : 'btn btn-default',
1712                         html : '<i class="fa fa-undo"></i>'
1713                     }
1714                 ]
1715             },
1716             {
1717                 tag : 'div',
1718                 cls : 'btn-group roo-upload-cropbox-picture',
1719                 action : 'picture',
1720                 cn : [
1721                     {
1722                         tag : 'button',
1723                         cls : 'btn btn-default',
1724                         html : '<i class="fa fa-picture-o"></i>'
1725                     }
1726                 ]
1727             },
1728             {
1729                 tag : 'div',
1730                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1731                 action : 'rotate-right',
1732                 cn : [
1733                     {
1734                         tag : 'button',
1735                         cls : 'btn btn-default',
1736                         html : '<i class="fa fa-repeat"></i>'
1737                     }
1738                 ]
1739             }
1740         ],
1741         DOCUMENT : [
1742             {
1743                 tag : 'div',
1744                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1745                 action : 'rotate-left',
1746                 cn : [
1747                     {
1748                         tag : 'button',
1749                         cls : 'btn btn-default',
1750                         html : '<i class="fa fa-undo"></i>'
1751                     }
1752                 ]
1753             },
1754             {
1755                 tag : 'div',
1756                 cls : 'btn-group roo-upload-cropbox-download',
1757                 action : 'download',
1758                 cn : [
1759                     {
1760                         tag : 'button',
1761                         cls : 'btn btn-default',
1762                         html : '<i class="fa fa-download"></i>'
1763                     }
1764                 ]
1765             },
1766             {
1767                 tag : 'div',
1768                 cls : 'btn-group roo-upload-cropbox-crop',
1769                 action : 'crop',
1770                 cn : [
1771                     {
1772                         tag : 'button',
1773                         cls : 'btn btn-default',
1774                         html : '<i class="fa fa-crop"></i>'
1775                     }
1776                 ]
1777             },
1778             {
1779                 tag : 'div',
1780                 cls : 'btn-group roo-upload-cropbox-trash',
1781                 action : 'trash',
1782                 cn : [
1783                     {
1784                         tag : 'button',
1785                         cls : 'btn btn-default',
1786                         html : '<i class="fa fa-trash"></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         ROTATOR : [
1804             {
1805                 tag : 'div',
1806                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1807                 action : 'rotate-left',
1808                 cn : [
1809                     {
1810                         tag : 'button',
1811                         cls : 'btn btn-default',
1812                         html : '<i class="fa fa-undo"></i>'
1813                     }
1814                 ]
1815             },
1816             {
1817                 tag : 'div',
1818                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1819                 action : 'rotate-right',
1820                 cn : [
1821                     {
1822                         tag : 'button',
1823                         cls : 'btn btn-default',
1824                         html : '<i class="fa fa-repeat"></i>'
1825                     }
1826                 ]
1827             }
1828         ]
1829     }
1830 });