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                     _this.selectorEl.dom.click();
 447                 }
 448             });
 449         }
 450
 451         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 452
 453             this.bodyEl.un('click', this.beforeSelectFile, this);
 454
 455             this.notifyEl.hide();
 456             this.thumbEl.show();
 457             this.footerEl.show();
 458
 459             this.baseRotateLevel();
 460
 461             if(this.isDocument){
 462                 this.setThumbBoxSize();
 463             }
 464
 465             this.setThumbBoxPosition();
 466
 467             this.baseScaleLevel();
 468
 469             this.draw();
 470
 471             this.resize();
 472
 473             this.canvasLoaded = true;
 474
 475         }
 476
 477         if(this.loadMask){
 478             this.maskEl.unmask();
 479         }
 480
 481     },
 482
 483     setCanvasPosition : function()
 484     {
 485         if(!this.canvasEl){
 486             return;
 487         }
 488
 489         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 490         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 491
 492         this.previewEl.setLeft(pw);
 493         this.previewEl.setTop(ph);
 494
 495     },
 496
 497     onMouseDown : function(e)
 498     {
 499         e.stopEvent();
 500
 501         this.dragable = true;
 502         this.pinching = false;
 503
 504         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 505             this.dragable = false;
 506             return;
 507         }
 508
 509         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 510         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 511
 512     },
 513
 514     onMouseMove : function(e)
 515     {
 516         e.stopEvent();
 517
 518         if(!this.canvasLoaded){
 519             return;
 520         }
 521
 522         if (!this.dragable){
 523             return;
 524         }
 525
 526         var minX = Math.ceil(this.thumbEl.getLeft(true));
 527         var minY = Math.ceil(this.thumbEl.getTop(true));
 528
 529         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 530         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 531
 532         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 533         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 534
 535         x = x - this.mouseX;
 536         y = y - this.mouseY;
 537
 538         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 539         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 540
 541         bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
 542         bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
 543
 544         this.previewEl.setLeft(bgX);
 545         this.previewEl.setTop(bgY);
 546
 547         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 548         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 549     },
 550
 551     onMouseUp : function(e)
 552     {
 553         e.stopEvent();
 554
 555         this.dragable = false;
 556     },
 557
 558     onMouseWheel : function(e)
 559     {
 560         e.stopEvent();
 561
 562         this.startScale = this.scale;
 563         console.log("START SCALE: " + this.scale);
 564         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 565         console.log("END SCALE: " + this.scale);
 566         if(!this.zoomable()){
 567             this.scale = this.startScale;
 568             return;
 569         }
 570
 571         this.draw();
 572
 573         return;
 574     },
 575
 576     zoomable : function()
 577     {
 578         console.log("THUMBEL");
 579         console.log(this.thumbEl);
 580         var minScale = this.thumbEl.getWidth() / this.minWidth;
 581
 582         if(this.minWidth < this.minHeight){
 583             minScale = this.thumbEl.getHeight() / this.minHeight;
 584         }
 585
 586         console.log("MINSCALE: " + minScale);
 587
 588         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 589         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 590
 591         var maxWidth = this.imageEl.OriginWidth;
 592         var maxHeight = this.imageEl.OriginHeight;
 593
 594         if(this.imageEl.OriginWidth / this.imageEl.OriginHeight  > this.minWidth / this.minHeight && this.imageEl.OriginHeight < this.minHeight) {
 595             maxHeight = this.minHeight;
 596             maxWidth = this.imageEl.OriginWidth / this.imageEl.OriginHeight * this.minHeight;
 597         }
 598         if(this.imageEl.OriginWidth / this.imageEl.OriginHeight  < this.minWidth / this.minHeight && this.imageEl.OriginWidth < this.minWidth) {
 599             maxWidth = this.minWidth;
 600             maxHeight = this.imageEl.OriginHeight /this.imageEl.OriginWidth * this.minWidth;
 601         }
 602
 603         console.log("GETSCALELEVEL: " + this.getScaleLevel());
 604         console.log("width: " + width);
 605         console.log("height: " + height);
 606         console.log("maxWidth: " + maxWidth);
 607         console.log("maxHeight: " + maxHeight);
 608
 609         if(
 610                 this.isDocument &&
 611                 (this.rotate == 0 || this.rotate == 180) &&
 612                 (
 613                     width > this.imageEl.OriginWidth ||
 614                     height > this.imageEl.OriginHeight ||
 615                     (width < this.minWidth && height < this.minHeight)
 616                 )
 617         ){
 618             return false;
 619         }
 620
 621         if(
 622                 this.isDocument &&
 623                 (this.rotate == 90 || this.rotate == 270) &&
 624                 (
 625                     width > this.imageEl.OriginWidth ||
 626                     height > this.imageEl.OriginHeight ||
 627                     (width < this.minHeight && height < this.minWidth)
 628                 )
 629         ){
 630             return false;
 631         }
 632
 633         if(
 634                 !this.isDocument &&
 635                 (this.rotate == 0 || this.rotate == 180) &&
 636                 (
 637                     width < this.minWidth ||
 638                     height < this.minHeight ||
 639                     width > maxWidth ||
 640                     height > maxHeight
 641                 )
 642         ){
 643             return false;
 644         }
 645
 646         if(
 647                 !this.isDocument &&
 648                 (this.rotate == 90 || this.rotate == 270) &&
 649                 (
 650                     width < this.minHeight ||
 651                     width > this.imageEl.OriginWidth ||
 652                     height < this.minWidth ||
 653                     height > this.imageEl.OriginHeight
 654                 )
 655         ){
 656             return false;
 657         }
 658
 659         return true;
 660
 661     },
 662
 663     onRotateLeft : function(e)
 664     {
 665         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 666
 667             var minScale = this.thumbEl.getWidth() / this.minWidth;
 668
 669             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 670             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 671
 672             this.startScale = this.scale;
 673
 674             while (this.getScaleLevel() < minScale){
 675
 676                 this.scale = this.scale + 1;
 677
 678                 if(!this.zoomable()){
 679                     break;
 680                 }
 681
 682                 if(
 683                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 684                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 685                 ){
 686                     continue;
 687                 }
 688
 689                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 690
 691                 this.draw();
 692
 693                 return;
 694             }
 695
 696             this.scale = this.startScale;
 697
 698             this.onRotateFail();
 699
 700             return false;
 701         }
 702
 703         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 704
 705         if(this.isDocument){
 706             this.setThumbBoxSize();
 707             this.setThumbBoxPosition();
 708             this.setCanvasPosition();
 709         }
 710
 711         this.draw();
 712
 713         this.fireEvent('rotate', this, 'left');
 714
 715     },
 716
 717     onRotateRight : function(e)
 718     {
 719         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 720
 721             var minScale = this.thumbEl.getWidth() / this.minWidth;
 722
 723             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 724             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 725
 726             this.startScale = this.scale;
 727
 728             while (this.getScaleLevel() < minScale){
 729
 730                 this.scale = this.scale + 1;
 731
 732                 if(!this.zoomable()){
 733                     break;
 734                 }
 735
 736                 if(
 737                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 738                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 739                 ){
 740                     continue;
 741                 }
 742
 743                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 744
 745                 this.draw();
 746
 747                 return;
 748             }
 749
 750             this.scale = this.startScale;
 751
 752             this.onRotateFail();
 753
 754             return false;
 755         }
 756
 757         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 758
 759         if(this.isDocument){
 760             this.setThumbBoxSize();
 761             this.setThumbBoxPosition();
 762             this.setCanvasPosition();
 763         }
 764
 765         this.draw();
 766
 767         this.fireEvent('rotate', this, 'right');
 768     },
 769
 770     onRotateFail : function()
 771     {
 772         this.errorEl.show(true);
 773
 774         var _this = this;
 775
 776         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 777     },
 778
 779     draw : function()
 780     {
 781         this.previewEl.dom.innerHTML = '';
 782
 783         var canvasEl = document.createElement("canvas");
 784
 785         var contextEl = canvasEl.getContext("2d");
 786
 787         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 788         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 789         var center = this.imageEl.OriginWidth / 2;
 790
 791         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 792             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 793             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 794             center = this.imageEl.OriginHeight / 2;
 795         }
 796
 797         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 798
 799         contextEl.translate(center, center);
 800         contextEl.rotate(this.rotate * Math.PI / 180);
 801
 802         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 803
 804         this.canvasEl = document.createElement("canvas");
 805
 806         this.contextEl = this.canvasEl.getContext("2d");
 807
 808         switch (this.rotate) {
 809             case 0 :
 810
 811                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 812                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 813
 814                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 815
 816                 break;
 817             case 90 :
 818
 819                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 820                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 821
 822                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 823                     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);
 824                     break;
 825                 }
 826
 827                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 828
 829                 break;
 830             case 180 :
 831
 832                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 833                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 834
 835                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 836                     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);
 837                     break;
 838                 }
 839
 840                 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);
 841
 842                 break;
 843             case 270 :
 844
 845                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 846                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 847
 848                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 849                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 850                     break;
 851                 }
 852
 853                 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);
 854
 855                 break;
 856             default :
 857                 break;
 858         }
 859
 860         this.previewEl.appendChild(this.canvasEl);
 861
 862         this.setCanvasPosition();
 863     },
 864
 865     crop : function()
 866     {
 867         if(!this.canvasLoaded){
 868             return;
 869         }
 870
 871         var imageCanvas = document.createElement("canvas");
 872
 873         var imageContext = imageCanvas.getContext("2d");
 874
 875         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 876         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 877
 878         var center = imageCanvas.width / 2;
 879
 880         imageContext.translate(center, center);
 881
 882         imageContext.rotate(this.rotate * Math.PI / 180);
 883
 884         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 885
 886         var canvas = document.createElement("canvas");
 887
 888         var context = canvas.getContext("2d");
 889
 890         canvas.width = this.minWidth;
 891         canvas.height = this.minHeight;
 892
 893         switch (this.rotate) {
 894             case 0 :
 895
 896                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 897                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 898
 899                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 900                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 901
 902                 var targetWidth = this.minWidth - 2 * x;
 903                 var targetHeight = this.minHeight - 2 * y;
 904
 905                 var scale = 1;
 906
 907                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 908                     scale = targetWidth / width;
 909                 }
 910
 911                 if(x > 0 && y == 0){
 912                     scale = targetHeight / height;
 913                 }
 914
 915                 if(x > 0 && y > 0){
 916                     scale = targetWidth / width;
 917
 918                     if(width < height){
 919                         scale = targetHeight / height;
 920                     }
 921                 }
 922
 923                 context.scale(scale, scale);
 924
 925                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 926                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 927
 928                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 929                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 930
 931                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 932
 933                 break;
 934             case 90 :
 935
 936                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 937                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 938
 939                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 940                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 941
 942                 var targetWidth = this.minWidth - 2 * x;
 943                 var targetHeight = this.minHeight - 2 * y;
 944
 945                 var scale = 1;
 946
 947                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 948                     scale = targetWidth / width;
 949                 }
 950
 951                 if(x > 0 && y == 0){
 952                     scale = targetHeight / height;
 953                 }
 954
 955                 if(x > 0 && y > 0){
 956                     scale = targetWidth / width;
 957
 958                     if(width < height){
 959                         scale = targetHeight / height;
 960                     }
 961                 }
 962
 963                 context.scale(scale, scale);
 964
 965                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 966                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 967
 968                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 969                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 970
 971                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 972
 973                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 974
 975                 break;
 976             case 180 :
 977
 978                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 979                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 980
 981                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 982                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 983
 984                 var targetWidth = this.minWidth - 2 * x;
 985                 var targetHeight = this.minHeight - 2 * y;
 986
 987                 var scale = 1;
 988
 989                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 990                     scale = targetWidth / width;
 991                 }
 992
 993                 if(x > 0 && y == 0){
 994                     scale = targetHeight / height;
 995                 }
 996
 997                 if(x > 0 && y > 0){
 998                     scale = targetWidth / width;
 999
1000                     if(width < height){
1001                         scale = targetHeight / height;
1002                     }
1003                 }
1004
1005                 context.scale(scale, scale);
1006
1007                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1008                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1009
1010                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1011                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1012
1013                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1014                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1015
1016                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1017
1018                 break;
1019             case 270 :
1020
1021                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1022                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1023
1024                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1025                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1026
1027                 var targetWidth = this.minWidth - 2 * x;
1028                 var targetHeight = this.minHeight - 2 * y;
1029
1030                 var scale = 1;
1031
1032                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1033                     scale = targetWidth / width;
1034                 }
1035
1036                 if(x > 0 && y == 0){
1037                     scale = targetHeight / height;
1038                 }
1039
1040                 if(x > 0 && y > 0){
1041                     scale = targetWidth / width;
1042
1043                     if(width < height){
1044                         scale = targetHeight / height;
1045                     }
1046                 }
1047
1048                 context.scale(scale, scale);
1049
1050                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1051                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1052
1053                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1054                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1055
1056                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1057
1058                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1059
1060                 break;
1061             default :
1062                 break;
1063         }
1064
1065         this.cropData = canvas.toDataURL(this.cropType);
1066
1067         if(this.fireEvent('crop', this, this.cropData) !== false){
1068             this.process(this.file, this.cropData);
1069         }
1070
1071         return;
1072
1073     },
1074
1075     setThumbBoxSize : function()
1076     {
1077         var width, height;
1078
1079         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1080             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1081             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1082
1083             this.minWidth = width;
1084             this.minHeight = height;
1085
1086             if(this.rotate == 90 || this.rotate == 270){
1087                 this.minWidth = height;
1088                 this.minHeight = width;
1089             }
1090         }
1091
1092         height = 300;
1093         width = Math.ceil(this.minWidth * height / this.minHeight);
1094
1095         if(this.minWidth > this.minHeight){
1096             width = 300;
1097             height = Math.ceil(this.minHeight * width / this.minWidth);
1098         }
1099
1100         this.thumbEl.setStyle({
1101             width : width + 'px',
1102             height : height + 'px'
1103         });
1104
1105         return;
1106
1107     },
1108
1109     setThumbBoxPosition : function()
1110     {
1111         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1112         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1113
1114         this.thumbEl.setLeft(x);
1115         this.thumbEl.setTop(y);
1116
1117     },
1118
1119     baseRotateLevel : function()
1120     {
1121         this.baseRotate = 1;
1122
1123         if(
1124                 typeof(this.exif) != 'undefined' &&
1125                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1126                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1127         ){
1128             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1129         }
1130
1131         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1132
1133     },
1134
1135     baseScaleLevel : function()
1136     {
1137         var width, height;
1138
1139         if(this.isDocument){
1140
1141             if(this.baseRotate == 6 || this.baseRotate == 8){
1142
1143                 height = this.thumbEl.getHeight();
1144                 this.baseScale = height / this.imageEl.OriginWidth;
1145
1146                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1147                     width = this.thumbEl.getWidth();
1148                     this.baseScale = width / this.imageEl.OriginHeight;
1149                 }
1150
1151                 return;
1152             }
1153
1154             height = this.thumbEl.getHeight();
1155             this.baseScale = height / this.imageEl.OriginHeight;
1156
1157             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1158                 width = this.thumbEl.getWidth();
1159                 this.baseScale = width / this.imageEl.OriginWidth;
1160             }
1161
1162             return;
1163         }
1164
1165         if(this.baseRotate == 6 || this.baseRotate == 8){
1166
1167             width = this.thumbEl.getHeight();
1168             this.baseScale = width / this.imageEl.OriginHeight;
1169
1170             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1171                 height = this.thumbEl.getWidth();
1172                 this.baseScale = height / this.imageEl.OriginHeight;
1173             }
1174
1175             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1176                 height = this.thumbEl.getWidth();
1177                 this.baseScale = height / this.imageEl.OriginHeight;
1178
1179                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1180                     width = this.thumbEl.getHeight();
1181                     this.baseScale = width / this.imageEl.OriginWidth;
1182                 }
1183             }
1184
1185             return;
1186         }
1187
1188         width = this.thumbEl.getWidth();
1189         this.baseScale = width / this.imageEl.OriginWidth;
1190
1191         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1192             height = this.thumbEl.getHeight();
1193             this.baseScale = height / this.imageEl.OriginHeight;
1194         }
1195
1196         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1197
1198             height = this.thumbEl.getHeight();
1199             this.baseScale = height / this.imageEl.OriginHeight;
1200
1201             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1202                 width = this.thumbEl.getWidth();
1203                 this.baseScale = width / this.imageEl.OriginWidth;
1204             }
1205
1206         }
1207
1208         return;
1209     },
1210
1211     getScaleLevel : function()
1212     {
1213         console.log("BASESCALE: " + this.baseScale);
1214         return this.baseScale * Math.pow(1.02, this.scale);
1215     },
1216
1217     onTouchStart : function(e)
1218     {
1219         if(!this.canvasLoaded){
1220             this.beforeSelectFile(e);
1221             return;
1222         }
1223
1224         var touches = e.browserEvent.touches;
1225
1226         if(!touches){
1227             return;
1228         }
1229
1230         if(touches.length == 1){
1231             this.onMouseDown(e);
1232             return;
1233         }
1234
1235         if(touches.length != 2){
1236             return;
1237         }
1238
1239         var coords = [];
1240
1241         for(var i = 0, finger; finger = touches[i]; i++){
1242             coords.push(finger.pageX, finger.pageY);
1243         }
1244
1245         var x = Math.pow(coords[0] - coords[2], 2);
1246         var y = Math.pow(coords[1] - coords[3], 2);
1247
1248         this.startDistance = Math.sqrt(x + y);
1249
1250         this.startScale = this.scale;
1251
1252         this.pinching = true;
1253         this.dragable = false;
1254
1255     },
1256
1257     onTouchMove : function(e)
1258     {
1259         if(!this.pinching && !this.dragable){
1260             return;
1261         }
1262
1263         var touches = e.browserEvent.touches;
1264
1265         if(!touches){
1266             return;
1267         }
1268
1269         if(this.dragable){
1270             this.onMouseMove(e);
1271             return;
1272         }
1273
1274         var coords = [];
1275
1276         for(var i = 0, finger; finger = touches[i]; i++){
1277             coords.push(finger.pageX, finger.pageY);
1278         }
1279
1280         var x = Math.pow(coords[0] - coords[2], 2);
1281         var y = Math.pow(coords[1] - coords[3], 2);
1282
1283         this.endDistance = Math.sqrt(x + y);
1284
1285         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1286
1287         if(!this.zoomable()){
1288             this.scale = this.startScale;
1289             return;
1290         }
1291
1292         this.draw();
1293
1294     },
1295
1296     onTouchEnd : function(e)
1297     {
1298         this.pinching = false;
1299         this.dragable = false;
1300
1301     },
1302
1303     process : function(file, crop)
1304     {
1305         if(this.loadMask){
1306             this.maskEl.mask(this.loadingText);
1307         }
1308
1309         this.xhr = new XMLHttpRequest();
1310
1311         file.xhr = this.xhr;
1312
1313         this.xhr.open(this.method, this.url, true);
1314
1315         var headers = {
1316             "Accept": "application/json",
1317             "Cache-Control": "no-cache",
1318             "X-Requested-With": "XMLHttpRequest"
1319         };
1320
1321         for (var headerName in headers) {
1322             var headerValue = headers[headerName];
1323             if (headerValue) {
1324                 this.xhr.setRequestHeader(headerName, headerValue);
1325             }
1326         }
1327
1328         var _this = this;
1329
1330         this.xhr.onload = function()
1331         {
1332             _this.xhrOnLoad(_this.xhr);
1333         }
1334
1335         this.xhr.onerror = function()
1336         {
1337             _this.xhrOnError(_this.xhr);
1338         }
1339
1340         var formData = new FormData();
1341
1342         formData.append('returnHTML', 'NO');
1343
1344         if(crop){
1345             formData.append('crop', crop);
1346         }
1347
1348         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1349             formData.append(this.paramName, file, file.name);
1350         }
1351
1352         if(typeof(file.filename) != 'undefined'){
1353             formData.append('filename', file.filename);
1354         }
1355
1356         if(typeof(file.mimetype) != 'undefined'){
1357             formData.append('mimetype', file.mimetype);
1358         }
1359
1360         if(this.fireEvent('arrange', this, formData) != false){
1361             this.xhr.send(formData);
1362         };
1363     },
1364
1365     xhrOnLoad : function(xhr)
1366     {
1367         if(this.loadMask){
1368             this.maskEl.unmask();
1369         }
1370
1371         if (xhr.readyState !== 4) {
1372             this.fireEvent('exception', this, xhr);
1373             return;
1374         }
1375
1376         var response = Roo.decode(xhr.responseText);
1377
1378         if(!response.success){
1379             this.fireEvent('exception', this, xhr);
1380             return;
1381         }
1382
1383         var response = Roo.decode(xhr.responseText);
1384
1385         this.fireEvent('upload', this, response);
1386
1387     },
1388
1389     xhrOnError : function()
1390     {
1391         if(this.loadMask){
1392             this.maskEl.unmask();
1393         }
1394
1395         Roo.log('xhr on error');
1396
1397         var response = Roo.decode(xhr.responseText);
1398
1399         Roo.log(response);
1400
1401     },
1402
1403     prepare : function(file)
1404     {
1405         if(this.loadMask){
1406             this.maskEl.mask(this.loadingText);
1407         }
1408
1409         this.file = false;
1410         this.exif = {};
1411
1412         if(typeof(file) === 'string'){
1413             this.loadCanvas(file);
1414             return;
1415         }
1416
1417         if(!file || !this.urlAPI){
1418             return;
1419         }
1420
1421         this.file = file;
1422         this.cropType = file.type;
1423
1424         var _this = this;
1425
1426         if(this.fireEvent('prepare', this, this.file) != false){
1427
1428             var reader = new FileReader();
1429
1430             reader.onload = function (e) {
1431                 if (e.target.error) {
1432                     Roo.log(e.target.error);
1433                     return;
1434                 }
1435
1436                 var buffer = e.target.result,
1437                     dataView = new DataView(buffer),
1438                     offset = 2,
1439                     maxOffset = dataView.byteLength - 4,
1440                     markerBytes,
1441                     markerLength;
1442
1443                 if (dataView.getUint16(0) === 0xffd8) {
1444                     while (offset < maxOffset) {
1445                         markerBytes = dataView.getUint16(offset);
1446
1447                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1448                             markerLength = dataView.getUint16(offset + 2) + 2;
1449                             if (offset + markerLength > dataView.byteLength) {
1450                                 Roo.log('Invalid meta data: Invalid segment size.');
1451                                 break;
1452                             }
1453
1454                             if(markerBytes == 0xffe1){
1455                                 _this.parseExifData(
1456                                     dataView,
1457                                     offset,
1458                                     markerLength
1459                                 );
1460                             }
1461
1462                             offset += markerLength;
1463
1464                             continue;
1465                         }
1466
1467                         break;
1468                     }
1469
1470                 }
1471
1472                 var url = _this.urlAPI.createObjectURL(_this.file);
1473
1474                 _this.loadCanvas(url);
1475
1476                 return;
1477             }
1478
1479             reader.readAsArrayBuffer(this.file);
1480
1481         }
1482
1483     },
1484
1485     parseExifData : function(dataView, offset, length)
1486     {
1487         var tiffOffset = offset + 10,
1488             littleEndian,
1489             dirOffset;
1490
1491         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1492             // No Exif data, might be XMP data instead
1493             return;
1494         }
1495
1496         // Check for the ASCII code for "Exif" (0x45786966):
1497         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1498             // No Exif data, might be XMP data instead
1499             return;
1500         }
1501         if (tiffOffset + 8 > dataView.byteLength) {
1502             Roo.log('Invalid Exif data: Invalid segment size.');
1503             return;
1504         }
1505         // Check for the two null bytes:
1506         if (dataView.getUint16(offset + 8) !== 0x0000) {
1507             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1508             return;
1509         }
1510         // Check the byte alignment:
1511         switch (dataView.getUint16(tiffOffset)) {
1512         case 0x4949:
1513             littleEndian = true;
1514             break;
1515         case 0x4D4D:
1516             littleEndian = false;
1517             break;
1518         default:
1519             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1520             return;
1521         }
1522         // Check for the TIFF tag marker (0x002A):
1523         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1524             Roo.log('Invalid Exif data: Missing TIFF marker.');
1525             return;
1526         }
1527         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1528         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1529
1530         this.parseExifTags(
1531             dataView,
1532             tiffOffset,
1533             tiffOffset + dirOffset,
1534             littleEndian
1535         );
1536     },
1537
1538     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1539     {
1540         var tagsNumber,
1541             dirEndOffset,
1542             i;
1543         if (dirOffset + 6 > dataView.byteLength) {
1544             Roo.log('Invalid Exif data: Invalid directory offset.');
1545             return;
1546         }
1547         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1548         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1549         if (dirEndOffset + 4 > dataView.byteLength) {
1550             Roo.log('Invalid Exif data: Invalid directory size.');
1551             return;
1552         }
1553         for (i = 0; i < tagsNumber; i += 1) {
1554             this.parseExifTag(
1555                 dataView,
1556                 tiffOffset,
1557                 dirOffset + 2 + 12 * i, // tag offset
1558                 littleEndian
1559             );
1560         }
1561         // Return the offset to the next directory:
1562         return dataView.getUint32(dirEndOffset, littleEndian);
1563     },
1564
1565     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1566     {
1567         var tag = dataView.getUint16(offset, littleEndian);
1568
1569         this.exif[tag] = this.getExifValue(
1570             dataView,
1571             tiffOffset,
1572             offset,
1573             dataView.getUint16(offset + 2, littleEndian), // tag type
1574             dataView.getUint32(offset + 4, littleEndian), // tag length
1575             littleEndian
1576         );
1577     },
1578
1579     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1580     {
1581         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1582             tagSize,
1583             dataOffset,
1584             values,
1585             i,
1586             str,
1587             c;
1588
1589         if (!tagType) {
1590             Roo.log('Invalid Exif data: Invalid tag type.');
1591             return;
1592         }
1593
1594         tagSize = tagType.size * length;
1595         // Determine if the value is contained in the dataOffset bytes,
1596         // or if the value at the dataOffset is a pointer to the actual data:
1597         dataOffset = tagSize > 4 ?
1598                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1599         if (dataOffset + tagSize > dataView.byteLength) {
1600             Roo.log('Invalid Exif data: Invalid data offset.');
1601             return;
1602         }
1603         if (length === 1) {
1604             return tagType.getValue(dataView, dataOffset, littleEndian);
1605         }
1606         values = [];
1607         for (i = 0; i < length; i += 1) {
1608             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1609         }
1610
1611         if (tagType.ascii) {
1612             str = '';
1613             // Concatenate the chars:
1614             for (i = 0; i < values.length; i += 1) {
1615                 c = values[i];
1616                 // Ignore the terminating NULL byte(s):
1617                 if (c === '\u0000') {
1618                     break;
1619                 }
1620                 str += c;
1621             }
1622             return str;
1623         }
1624         return values;
1625     }
1626
1627 });
1628
1629 Roo.apply(Roo.dialog.UploadCropbox, {
1630     tags : {
1631         'Orientation': 0x0112
1632     },
1633
1634     Orientation: {
1635             1: 0, //'top-left',
1636 //            2: 'top-right',
1637             3: 180, //'bottom-right',
1638 //            4: 'bottom-left',
1639 //            5: 'left-top',
1640             6: 90, //'right-top',
1641 //            7: 'right-bottom',
1642             8: 270 //'left-bottom'
1643     },
1644
1645     exifTagTypes : {
1646         // byte, 8-bit unsigned int:
1647         1: {
1648             getValue: function (dataView, dataOffset) {
1649                 return dataView.getUint8(dataOffset);
1650             },
1651             size: 1
1652         },
1653         // ascii, 8-bit byte:
1654         2: {
1655             getValue: function (dataView, dataOffset) {
1656                 return String.fromCharCode(dataView.getUint8(dataOffset));
1657             },
1658             size: 1,
1659             ascii: true
1660         },
1661         // short, 16 bit int:
1662         3: {
1663             getValue: function (dataView, dataOffset, littleEndian) {
1664                 return dataView.getUint16(dataOffset, littleEndian);
1665             },
1666             size: 2
1667         },
1668         // long, 32 bit int:
1669         4: {
1670             getValue: function (dataView, dataOffset, littleEndian) {
1671                 return dataView.getUint32(dataOffset, littleEndian);
1672             },
1673             size: 4
1674         },
1675         // rational = two long values, first is numerator, second is denominator:
1676         5: {
1677             getValue: function (dataView, dataOffset, littleEndian) {
1678                 return dataView.getUint32(dataOffset, littleEndian) /
1679                     dataView.getUint32(dataOffset + 4, littleEndian);
1680             },
1681             size: 8
1682         },
1683         // slong, 32 bit signed int:
1684         9: {
1685             getValue: function (dataView, dataOffset, littleEndian) {
1686                 return dataView.getInt32(dataOffset, littleEndian);
1687             },
1688             size: 4
1689         },
1690         // srational, two slongs, first is numerator, second is denominator:
1691         10: {
1692             getValue: function (dataView, dataOffset, littleEndian) {
1693                 return dataView.getInt32(dataOffset, littleEndian) /
1694                     dataView.getInt32(dataOffset + 4, littleEndian);
1695             },
1696             size: 8
1697         }
1698     },
1699
1700     footer : {
1701         STANDARD : [
1702             {
1703                 tag : 'div',
1704                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1705                 action : 'rotate-left',
1706                 cn : [
1707                     {
1708                         tag : 'button',
1709                         cls : 'btn btn-default',
1710                         html : '<i class="fa fa-undo"></i>'
1711                     }
1712                 ]
1713             },
1714             {
1715                 tag : 'div',
1716                 cls : 'btn-group roo-upload-cropbox-picture',
1717                 action : 'picture',
1718                 cn : [
1719                     {
1720                         tag : 'button',
1721                         cls : 'btn btn-default',
1722                         html : '<i class="fa fa-picture-o"></i>'
1723                     }
1724                 ]
1725             },
1726             {
1727                 tag : 'div',
1728                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1729                 action : 'rotate-right',
1730                 cn : [
1731                     {
1732                         tag : 'button',
1733                         cls : 'btn btn-default',
1734                         html : '<i class="fa fa-repeat"></i>'
1735                     }
1736                 ]
1737             }
1738         ],
1739         DOCUMENT : [
1740             {
1741                 tag : 'div',
1742                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1743                 action : 'rotate-left',
1744                 cn : [
1745                     {
1746                         tag : 'button',
1747                         cls : 'btn btn-default',
1748                         html : '<i class="fa fa-undo"></i>'
1749                     }
1750                 ]
1751             },
1752             {
1753                 tag : 'div',
1754                 cls : 'btn-group roo-upload-cropbox-download',
1755                 action : 'download',
1756                 cn : [
1757                     {
1758                         tag : 'button',
1759                         cls : 'btn btn-default',
1760                         html : '<i class="fa fa-download"></i>'
1761                     }
1762                 ]
1763             },
1764             {
1765                 tag : 'div',
1766                 cls : 'btn-group roo-upload-cropbox-crop',
1767                 action : 'crop',
1768                 cn : [
1769                     {
1770                         tag : 'button',
1771                         cls : 'btn btn-default',
1772                         html : '<i class="fa fa-crop"></i>'
1773                     }
1774                 ]
1775             },
1776             {
1777                 tag : 'div',
1778                 cls : 'btn-group roo-upload-cropbox-trash',
1779                 action : 'trash',
1780                 cn : [
1781                     {
1782                         tag : 'button',
1783                         cls : 'btn btn-default',
1784                         html : '<i class="fa fa-trash"></i>'
1785                     }
1786                 ]
1787             },
1788             {
1789                 tag : 'div',
1790                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1791                 action : 'rotate-right',
1792                 cn : [
1793                     {
1794                         tag : 'button',
1795                         cls : 'btn btn-default',
1796                         html : '<i class="fa fa-repeat"></i>'
1797                     }
1798                 ]
1799             }
1800         ],
1801         ROTATOR : [
1802             {
1803                 tag : 'div',
1804                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1805                 action : 'rotate-left',
1806                 cn : [
1807                     {
1808                         tag : 'button',
1809                         cls : 'btn btn-default',
1810                         html : '<i class="fa fa-undo"></i>'
1811                     }
1812                 ]
1813             },
1814             {
1815                 tag : 'div',
1816                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1817                 action : 'rotate-right',
1818                 cn : [
1819                     {
1820                         tag : 'button',
1821                         cls : 'btn btn-default',
1822                         html : '<i class="fa fa-repeat"></i>'
1823                     }
1824                 ]
1825             }
1826         ]
1827     }
1828 });