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         console.log("On Render");
 219         console.log(this);
 220         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 221
 222         if(this.el){
 223             if (this.el.attr('xtype')) {
 224                 this.el.attr('xtypex', this.el.attr('xtype'));
 225                 this.el.dom.removeAttribute('xtype');
 226
 227                 this.initEvents();
 228             }
 229         }
 230         else {
 231             var cfg = Roo.apply({},  this.getAutoCreate());
 232
 233             cfg.id = this.id || Roo.id();
 234
 235             if (this.cls) {
 236                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 237             }
 238
 239             if (this.style) { // fixme needs to support more complex style data.
 240                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 241             }
 242
 243             this.el = ct.createChild(cfg, position);
 244
 245             this.initEvents();
 246         }
 247
 248         if (this.buttons.length) {
 249
 250             Roo.each(this.buttons, function(bb) {
 251
 252                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 253
 254                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 255
 256             }, this);
 257         }
 258
 259         if(this.loadMask){
 260             this.maskEl = this.el;
 261         }
 262     },
 263
 264     initEvents : function()
 265     {
 266         this.urlAPI = (window.createObjectURL && window) ||
 267                                 (window.URL && URL.revokeObjectURL && URL) ||
 268                                 (window.webkitURL && webkitURL);
 269
 270         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 271         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 272
 273         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 274         this.selectorEl.hide();
 275
 276         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 277         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 278
 279         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 280         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 281         this.thumbEl.hide();
 282
 283         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 284         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 285
 286         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 287         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 288         this.errorEl.hide();
 289
 290         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 291         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 292         this.footerEl.hide();
 293
 294         this.setThumbBoxSize();
 295
 296         this.bind();
 297
 298         this.resize();
 299
 300         this.fireEvent('initial', this);
 301     },
 302
 303     bind : function()
 304     {
 305         var _this = this;
 306
 307         window.addEventListener("resize", function() { _this.resize(); } );
 308
 309         this.bodyEl.on('click', this.beforeSelectFile, this);
 310
 311         if(Roo.isTouch){
 312             this.bodyEl.on('touchstart', this.onTouchStart, this);
 313             this.bodyEl.on('touchmove', this.onTouchMove, this);
 314             this.bodyEl.on('touchend', this.onTouchEnd, this);
 315         }
 316
 317         if(!Roo.isTouch){
 318             this.bodyEl.on('mousedown', this.onMouseDown, this);
 319             this.bodyEl.on('mousemove', this.onMouseMove, this);
 320             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 321             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 322             Roo.get(document).on('mouseup', this.onMouseUp, this);
 323         }
 324
 325         this.selectorEl.on('change', this.onFileSelected, this);
 326     },
 327
 328     reset : function()
 329     {
 330         this.scale = 0;
 331         this.baseScale = 1;
 332         this.rotate = 0;
 333         this.baseRotate = 1;
 334         this.dragable = false;
 335         this.pinching = false;
 336         this.mouseX = 0;
 337         this.mouseY = 0;
 338         this.cropData = false;
 339         this.notifyEl.dom.innerHTML = this.emptyText;
 340
 341         // this.selectorEl.dom.value = '';
 342
 343     },
 344
 345     resize : function()
 346     {
 347         if(this.fireEvent('resize', this) != false){
 348             this.setThumbBoxPosition();
 349             this.setCanvasPosition();
 350         }
 351     },
 352
 353     onFooterButtonClick : function(e, el, o, type)
 354     {
 355         switch (type) {
 356             case 'rotate-left' :
 357                 this.onRotateLeft(e);
 358                 break;
 359             case 'rotate-right' :
 360                 this.onRotateRight(e);
 361                 break;
 362             case 'picture' :
 363                 this.beforeSelectFile(e);
 364                 break;
 365             case 'trash' :
 366                 this.trash(e);
 367                 break;
 368             case 'crop' :
 369                 this.crop(e);
 370                 break;
 371             case 'download' :
 372                 this.download(e);
 373                 break;
 374             default :
 375                 break;
 376         }
 377
 378         this.fireEvent('footerbuttonclick', this, type);
 379     },
 380
 381     beforeSelectFile : function(e)
 382     {
 383         e.preventDefault();
 384
 385         if(this.fireEvent('beforeselectfile', this) != false){
 386             this.selectorEl.dom.click();
 387         }
 388     },
 389
 390     onFileSelected : function(e)
 391     {
 392         e.preventDefault();
 393
 394         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 395             return;
 396         }
 397
 398         var file = this.selectorEl.dom.files[0];
 399
 400         if(this.fireEvent('inspect', this, file) != false){
 401             this.prepare(file);
 402         }
 403
 404     },
 405
 406     trash : function(e)
 407     {
 408         this.fireEvent('trash', this);
 409     },
 410
 411     download : function(e)
 412     {
 413         this.fireEvent('download', this);
 414     },
 415
 416     loadCanvas : function(src)
 417     {
 418         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 419
 420             this.reset();
 421
 422             this.imageEl = document.createElement('img');
 423
 424             var _this = this;
 425
 426             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 427
 428             this.imageEl.src = src;
 429         }
 430     },
 431
 432     onLoadCanvas : function()
 433     {
 434         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 435         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 436
 437         var _this = this;
 438
 439         if(this.imageEl.OriginWidth < this.minWidth) {
 440
 441             Roo.Msg.show({
 442                 title: 'Error',
 443                 msg: "Image width should be at least 720",
 444                 buttons: {ok : true},
 445                 fn: function(res) {
 446                     if(res == 'ok'){
 447                         _this.selectorEl.dom.click();
 448                     }
 449                 }
 450             });
 451         }
 452
 453         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 454
 455             this.bodyEl.un('click', this.beforeSelectFile, this);
 456
 457             this.notifyEl.hide();
 458             this.thumbEl.show();
 459             this.footerEl.show();
 460
 461             this.baseRotateLevel();
 462
 463             if(this.isDocument){
 464                 this.setThumbBoxSize();
 465             }
 466
 467             this.setThumbBoxPosition();
 468
 469             this.baseScaleLevel();
 470
 471             this.draw();
 472
 473             this.resize();
 474
 475             this.canvasLoaded = true;
 476
 477         }
 478
 479         if(this.loadMask){
 480             this.maskEl.unmask();
 481         }
 482
 483     },
 484
 485     setCanvasPosition : function()
 486     {
 487         if(!this.canvasEl){
 488             return;
 489         }
 490
 491         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 492         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 493
 494         this.previewEl.setLeft(pw);
 495         this.previewEl.setTop(ph);
 496
 497     },
 498
 499     onMouseDown : function(e)
 500     {
 501         e.stopEvent();
 502
 503         this.dragable = true;
 504         this.pinching = false;
 505
 506         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 507             this.dragable = false;
 508             return;
 509         }
 510
 511         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 512         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 513
 514     },
 515
 516     onMouseMove : function(e)
 517     {
 518         e.stopEvent();
 519
 520         if(!this.canvasLoaded){
 521             return;
 522         }
 523
 524         if (!this.dragable){
 525             return;
 526         }
 527
 528         var minX = Math.ceil(this.thumbEl.getLeft(true));
 529         var minY = Math.ceil(this.thumbEl.getTop(true));
 530
 531         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 532         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 533
 534         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 535         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 536
 537         x = x - this.mouseX;
 538         y = y - this.mouseY;
 539
 540         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 541         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 542
 543         bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
 544         bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
 545
 546         this.previewEl.setLeft(bgX);
 547         this.previewEl.setTop(bgY);
 548
 549         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 550         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 551     },
 552
 553     onMouseUp : function(e)
 554     {
 555         e.stopEvent();
 556
 557         this.dragable = false;
 558     },
 559
 560     onMouseWheel : function(e)
 561     {
 562         e.stopEvent();
 563
 564         this.startScale = this.scale;
 565         console.log("START SCALE: " + this.scale);
 566         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 567         console.log("END SCALE: " + this.scale);
 568         if(!this.zoomable()){
 569             this.scale = this.startScale;
 570             return;
 571         }
 572
 573         this.draw();
 574
 575         return;
 576     },
 577
 578     zoomable : function()
 579     {
 580         console.log("THUMBEL");
 581         console.log(this.thumbEl);
 582         var minScale = this.thumbEl.getWidth() / this.minWidth;
 583
 584         if(this.minWidth < this.minHeight){
 585             minScale = this.thumbEl.getHeight() / this.minHeight;
 586         }
 587
 588         console.log("MINSCALE: " + minScale);
 589
 590         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 591         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 592
 593         var maxWidth = this.imageEl.OriginWidth;
 594         var maxHeight = this.imageEl.OriginHeight;
 595
 596         if(this.imageEl.OriginWidth / this.imageEl.OriginHeight  > this.minWidth / this.minHeight && this.imageEl.OriginHeight < this.minHeight) {
 597             maxHeight = this.minHeight;
 598             maxWidth = this.imageEl.OriginWidth / this.imageEl.OriginHeight * this.minHeight;
 599         }
 600         if(this.imageEl.OriginWidth / this.imageEl.OriginHeight  < this.minWidth / this.minHeight && this.imageEl.OriginWidth < this.minWidth) {
 601             maxWidth = this.minWidth;
 602             maxHeight = this.imageEl.OriginHeight /this.imageEl.OriginWidth * this.minWidth;
 603         }
 604
 605         console.log("GETSCALELEVEL: " + this.getScaleLevel());
 606         console.log("width: " + width);
 607         console.log("height: " + height);
 608         console.log("maxWidth: " + maxWidth);
 609         console.log("maxHeight: " + maxHeight);
 610
 611         if(
 612                 this.isDocument &&
 613                 (this.rotate == 0 || this.rotate == 180) &&
 614                 (
 615                     width > this.imageEl.OriginWidth ||
 616                     height > this.imageEl.OriginHeight ||
 617                     (width < this.minWidth && height < this.minHeight)
 618                 )
 619         ){
 620             return false;
 621         }
 622
 623         if(
 624                 this.isDocument &&
 625                 (this.rotate == 90 || this.rotate == 270) &&
 626                 (
 627                     width > this.imageEl.OriginWidth ||
 628                     height > this.imageEl.OriginHeight ||
 629                     (width < this.minHeight && height < this.minWidth)
 630                 )
 631         ){
 632             return false;
 633         }
 634
 635         if(
 636                 !this.isDocument &&
 637                 (this.rotate == 0 || this.rotate == 180) &&
 638                 (
 639                     width < this.minWidth ||
 640                     height < this.minHeight ||
 641                     width > maxWidth ||
 642                     height > maxHeight
 643                 )
 644         ){
 645             return false;
 646         }
 647
 648         if(
 649                 !this.isDocument &&
 650                 (this.rotate == 90 || this.rotate == 270) &&
 651                 (
 652                     width < this.minHeight ||
 653                     width > this.imageEl.OriginWidth ||
 654                     height < this.minWidth ||
 655                     height > this.imageEl.OriginHeight
 656                 )
 657         ){
 658             return false;
 659         }
 660
 661         return true;
 662
 663     },
 664
 665     onRotateLeft : function(e)
 666     {
 667         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 668
 669             var minScale = this.thumbEl.getWidth() / this.minWidth;
 670
 671             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 672             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 673
 674             this.startScale = this.scale;
 675
 676             while (this.getScaleLevel() < minScale){
 677
 678                 this.scale = this.scale + 1;
 679
 680                 if(!this.zoomable()){
 681                     break;
 682                 }
 683
 684                 if(
 685                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 686                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 687                 ){
 688                     continue;
 689                 }
 690
 691                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 692
 693                 this.draw();
 694
 695                 return;
 696             }
 697
 698             this.scale = this.startScale;
 699
 700             this.onRotateFail();
 701
 702             return false;
 703         }
 704
 705         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 706
 707         if(this.isDocument){
 708             this.setThumbBoxSize();
 709             this.setThumbBoxPosition();
 710             this.setCanvasPosition();
 711         }
 712
 713         this.draw();
 714
 715         this.fireEvent('rotate', this, 'left');
 716
 717     },
 718
 719     onRotateRight : function(e)
 720     {
 721         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 722
 723             var minScale = this.thumbEl.getWidth() / this.minWidth;
 724
 725             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 726             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 727
 728             this.startScale = this.scale;
 729
 730             while (this.getScaleLevel() < minScale){
 731
 732                 this.scale = this.scale + 1;
 733
 734                 if(!this.zoomable()){
 735                     break;
 736                 }
 737
 738                 if(
 739                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 740                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 741                 ){
 742                     continue;
 743                 }
 744
 745                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 746
 747                 this.draw();
 748
 749                 return;
 750             }
 751
 752             this.scale = this.startScale;
 753
 754             this.onRotateFail();
 755
 756             return false;
 757         }
 758
 759         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 760
 761         if(this.isDocument){
 762             this.setThumbBoxSize();
 763             this.setThumbBoxPosition();
 764             this.setCanvasPosition();
 765         }
 766
 767         this.draw();
 768
 769         this.fireEvent('rotate', this, 'right');
 770     },
 771
 772     onRotateFail : function()
 773     {
 774         this.errorEl.show(true);
 775
 776         var _this = this;
 777
 778         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 779     },
 780
 781     draw : function()
 782     {
 783         this.previewEl.dom.innerHTML = '';
 784
 785         var canvasEl = document.createElement("canvas");
 786
 787         var contextEl = canvasEl.getContext("2d");
 788
 789         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 790         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 791         var center = this.imageEl.OriginWidth / 2;
 792
 793         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 794             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 795             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 796             center = this.imageEl.OriginHeight / 2;
 797         }
 798
 799         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 800
 801         contextEl.translate(center, center);
 802         contextEl.rotate(this.rotate * Math.PI / 180);
 803
 804         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 805
 806         this.canvasEl = document.createElement("canvas");
 807
 808         this.contextEl = this.canvasEl.getContext("2d");
 809
 810         switch (this.rotate) {
 811             case 0 :
 812
 813                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 814                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 815
 816                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 817
 818                 break;
 819             case 90 :
 820
 821                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 822                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 823
 824                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 825                     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);
 826                     break;
 827                 }
 828
 829                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 830
 831                 break;
 832             case 180 :
 833
 834                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 835                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 836
 837                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 838                     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);
 839                     break;
 840                 }
 841
 842                 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);
 843
 844                 break;
 845             case 270 :
 846
 847                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 848                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 849
 850                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 851                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 852                     break;
 853                 }
 854
 855                 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);
 856
 857                 break;
 858             default :
 859                 break;
 860         }
 861
 862         this.previewEl.appendChild(this.canvasEl);
 863
 864         this.setCanvasPosition();
 865     },
 866
 867     crop : function()
 868     {
 869         if(!this.canvasLoaded){
 870             return;
 871         }
 872
 873         var imageCanvas = document.createElement("canvas");
 874
 875         var imageContext = imageCanvas.getContext("2d");
 876
 877         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 878         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 879
 880         var center = imageCanvas.width / 2;
 881
 882         imageContext.translate(center, center);
 883
 884         imageContext.rotate(this.rotate * Math.PI / 180);
 885
 886         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 887
 888         var canvas = document.createElement("canvas");
 889
 890         var context = canvas.getContext("2d");
 891
 892         canvas.width = this.minWidth;
 893         canvas.height = this.minHeight;
 894
 895         switch (this.rotate) {
 896             case 0 :
 897
 898                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 899                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 900
 901                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 902                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 903
 904                 var targetWidth = this.minWidth - 2 * x;
 905                 var targetHeight = this.minHeight - 2 * y;
 906
 907                 var scale = 1;
 908
 909                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 910                     scale = targetWidth / width;
 911                 }
 912
 913                 if(x > 0 && y == 0){
 914                     scale = targetHeight / height;
 915                 }
 916
 917                 if(x > 0 && y > 0){
 918                     scale = targetWidth / width;
 919
 920                     if(width < height){
 921                         scale = targetHeight / height;
 922                     }
 923                 }
 924
 925                 context.scale(scale, scale);
 926
 927                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 928                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 929
 930                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 931                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 932
 933                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 934
 935                 break;
 936             case 90 :
 937
 938                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 939                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 940
 941                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 942                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 943
 944                 var targetWidth = this.minWidth - 2 * x;
 945                 var targetHeight = this.minHeight - 2 * y;
 946
 947                 var scale = 1;
 948
 949                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 950                     scale = targetWidth / width;
 951                 }
 952
 953                 if(x > 0 && y == 0){
 954                     scale = targetHeight / height;
 955                 }
 956
 957                 if(x > 0 && y > 0){
 958                     scale = targetWidth / width;
 959
 960                     if(width < height){
 961                         scale = targetHeight / height;
 962                     }
 963                 }
 964
 965                 context.scale(scale, scale);
 966
 967                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 968                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 969
 970                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 971                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 972
 973                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 974
 975                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 976
 977                 break;
 978             case 180 :
 979
 980                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 981                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 982
 983                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 984                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 985
 986                 var targetWidth = this.minWidth - 2 * x;
 987                 var targetHeight = this.minHeight - 2 * y;
 988
 989                 var scale = 1;
 990
 991                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 992                     scale = targetWidth / width;
 993                 }
 994
 995                 if(x > 0 && y == 0){
 996                     scale = targetHeight / height;
 997                 }
 998
 999                 if(x > 0 && y > 0){
1000                     scale = targetWidth / width;
1001
1002                     if(width < height){
1003                         scale = targetHeight / height;
1004                     }
1005                 }
1006
1007                 context.scale(scale, scale);
1008
1009                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1010                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1011
1012                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1013                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1014
1015                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1016                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1017
1018                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1019
1020                 break;
1021             case 270 :
1022
1023                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1024                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1025
1026                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1027                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1028
1029                 var targetWidth = this.minWidth - 2 * x;
1030                 var targetHeight = this.minHeight - 2 * y;
1031
1032                 var scale = 1;
1033
1034                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1035                     scale = targetWidth / width;
1036                 }
1037
1038                 if(x > 0 && y == 0){
1039                     scale = targetHeight / height;
1040                 }
1041
1042                 if(x > 0 && y > 0){
1043                     scale = targetWidth / width;
1044
1045                     if(width < height){
1046                         scale = targetHeight / height;
1047                     }
1048                 }
1049
1050                 context.scale(scale, scale);
1051
1052                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1053                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1054
1055                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1056                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1057
1058                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1059
1060                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1061
1062                 break;
1063             default :
1064                 break;
1065         }
1066
1067         this.cropData = canvas.toDataURL(this.cropType);
1068
1069         if(this.fireEvent('crop', this, this.cropData) !== false){
1070             this.process(this.file, this.cropData);
1071         }
1072
1073         return;
1074
1075     },
1076
1077     setThumbBoxSize : function()
1078     {
1079         var width, height;
1080
1081         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1082             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1083             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1084
1085             this.minWidth = width;
1086             this.minHeight = height;
1087
1088             if(this.rotate == 90 || this.rotate == 270){
1089                 this.minWidth = height;
1090                 this.minHeight = width;
1091             }
1092         }
1093
1094         height = 300;
1095         width = Math.ceil(this.minWidth * height / this.minHeight);
1096
1097         if(this.minWidth > this.minHeight){
1098             width = 300;
1099             height = Math.ceil(this.minHeight * width / this.minWidth);
1100         }
1101
1102         this.thumbEl.setStyle({
1103             width : width + 'px',
1104             height : height + 'px'
1105         });
1106
1107         return;
1108
1109     },
1110
1111     setThumbBoxPosition : function()
1112     {
1113         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1114         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1115
1116         this.thumbEl.setLeft(x);
1117         this.thumbEl.setTop(y);
1118
1119     },
1120
1121     baseRotateLevel : function()
1122     {
1123         this.baseRotate = 1;
1124
1125         if(
1126                 typeof(this.exif) != 'undefined' &&
1127                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1128                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1129         ){
1130             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1131         }
1132
1133         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1134
1135     },
1136
1137     baseScaleLevel : function()
1138     {
1139         var width, height;
1140
1141         if(this.isDocument){
1142
1143             if(this.baseRotate == 6 || this.baseRotate == 8){
1144
1145                 height = this.thumbEl.getHeight();
1146                 this.baseScale = height / this.imageEl.OriginWidth;
1147
1148                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1149                     width = this.thumbEl.getWidth();
1150                     this.baseScale = width / this.imageEl.OriginHeight;
1151                 }
1152
1153                 return;
1154             }
1155
1156             height = this.thumbEl.getHeight();
1157             this.baseScale = height / this.imageEl.OriginHeight;
1158
1159             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1160                 width = this.thumbEl.getWidth();
1161                 this.baseScale = width / this.imageEl.OriginWidth;
1162             }
1163
1164             return;
1165         }
1166
1167         if(this.baseRotate == 6 || this.baseRotate == 8){
1168
1169             width = this.thumbEl.getHeight();
1170             this.baseScale = width / this.imageEl.OriginHeight;
1171
1172             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1173                 height = this.thumbEl.getWidth();
1174                 this.baseScale = height / this.imageEl.OriginHeight;
1175             }
1176
1177             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1178                 height = this.thumbEl.getWidth();
1179                 this.baseScale = height / this.imageEl.OriginHeight;
1180
1181                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1182                     width = this.thumbEl.getHeight();
1183                     this.baseScale = width / this.imageEl.OriginWidth;
1184                 }
1185             }
1186
1187             return;
1188         }
1189
1190         width = this.thumbEl.getWidth();
1191         this.baseScale = width / this.imageEl.OriginWidth;
1192
1193         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1194             height = this.thumbEl.getHeight();
1195             this.baseScale = height / this.imageEl.OriginHeight;
1196         }
1197
1198         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1199
1200             height = this.thumbEl.getHeight();
1201             this.baseScale = height / this.imageEl.OriginHeight;
1202
1203             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1204                 width = this.thumbEl.getWidth();
1205                 this.baseScale = width / this.imageEl.OriginWidth;
1206             }
1207
1208         }
1209
1210         return;
1211     },
1212
1213     getScaleLevel : function()
1214     {
1215         console.log("BASESCALE: " + this.baseScale);
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('returnHTML', 'NO');
1345
1346         if(crop){
1347             formData.append('crop', crop);
1348         }
1349
1350         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1351             formData.append(this.paramName, file, 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 });