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

   1
   2 /*
   3 * Licence: LGPL
   4 */
   5
   6 /**
   7  * @class Roo.dialog.UploadCropbox
   8  * @extends Roo.BoxComponent
   9  * Dialog UploadCropbox class
  10  * @cfg {String} emptyText show when image has been loaded
  11  * @cfg {String} rotateNotify show when image too small to rotate
  12  * @cfg {Number} errorTimeout default 3000
  13  * @cfg {Number} minWidth default 300
  14  * @cfg {Number} minHeight default 300
  15  * @cfg {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
  16  * @cfg {Boolean} isDocument (true|false) default false
  17  * @cfg {String} url action url
  18  * @cfg {String} paramName default 'imageUpload'
  19  * @cfg {String} method default POST
  20  * @cfg {Boolean} loadMask (true|false) default true
  21  * @cfg {Boolean} loadingText default 'Loading...'
  22  *
  23  * @constructor
  24  * Create a new UploadCropbox
  25  * @param {Object} config The config object
  26  */
  27
  28  Roo.dialog.UploadCropbox = function(config){
  29     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  30
  31     this.addEvents({
  32         /**
  33          * @event beforeselectfile
  34          * Fire before select file
  35          * @param {Roo.dialog.UploadCropbox} this
  36          */
  37         "beforeselectfile" : true,
  38         /**
  39          * @event initial
  40          * Fire after initEvent
  41          * @param {Roo.dialog.UploadCropbox} this
  42          */
  43         "initial" : true,
  44         /**
  45          * @event crop
  46          * Fire after initEvent
  47          * @param {Roo.dialog.UploadCropbox} this
  48          * @param {String} data
  49          */
  50         "crop" : true,
  51         /**
  52          * @event prepare
  53          * Fire when preparing the file data
  54          * @param {Roo.dialog.UploadCropbox} this
  55          * @param {Object} file
  56          */
  57         "prepare" : true,
  58         /**
  59          * @event exception
  60          * Fire when get exception
  61          * @param {Roo.dialog.UploadCropbox} this
  62          * @param {XMLHttpRequest} xhr
  63          */
  64         "exception" : true,
  65         /**
  66          * @event beforeloadcanvas
  67          * Fire before load the canvas
  68          * @param {Roo.dialog.UploadCropbox} this
  69          * @param {String} src
  70          */
  71         "beforeloadcanvas" : true,
  72         /**
  73          * @event trash
  74          * Fire when trash image
  75          * @param {Roo.dialog.UploadCropbox} this
  76          */
  77         "trash" : true,
  78         /**
  79          * @event download
  80          * Fire when download the image
  81          * @param {Roo.dialog.UploadCropbox} this
  82          */
  83         "download" : true,
  84         /**
  85          * @event footerbuttonclick
  86          * Fire when footerbuttonclick
  87          * @param {Roo.dialog.UploadCropbox} this
  88          * @param {String} type
  89          */
  90         "footerbuttonclick" : true,
  91         /**
  92          * @event resize
  93          * Fire when resize
  94          * @param {Roo.dialog.UploadCropbox} this
  95          */
  96         "resize" : true,
  97         /**
  98          * @event rotate
  99          * Fire when rotate the image
 100          * @param {Roo.dialog.UploadCropbox} this
 101          * @param {String} pos
 102          */
 103         "rotate" : true,
 104         /**
 105          * @event inspect
 106          * Fire when inspect the file
 107          * @param {Roo.dialog.UploadCropbox} this
 108          * @param {Object} file
 109          */
 110         "inspect" : true,
 111         /**
 112          * @event upload
 113          * Fire when xhr upload the file
 114          * @param {Roo.dialog.UploadCropbox} this
 115          * @param {Object} data
 116          */
 117         "upload" : true,
 118         /**
 119          * @event arrange
 120          * Fire when arrange the file data
 121          * @param {Roo.dialog.UploadCropbox} this
 122          * @param {Object} formData
 123          */
 124         "arrange" : true,
 125         /**
 126          * @event loadcanvas
 127          * Fire after load the canvas
 128          * @param {Roo.dialog.UploadCropbox}
 129          * @param {Object} imgEl
 130          */
 131         "loadcanvas" : true
 132     });
 133
 134     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 135 };
 136
 137 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 138
 139     emptyText : 'Click to upload image',
 140     rotateNotify : 'Image is too small to rotate',
 141     errorTimeout : 3000,
 142     scale : 0,
 143     baseScale : 1,
 144     rotate : 0,
 145     dragable : false,
 146     pinching : false,
 147     mouseX : 0,
 148     mouseY : 0,
 149     cropData : false,
 150     minWidth : 300,
 151     minHeight : 300,
 152     file : false,
 153     exif : {},
 154     baseRotate : 1,
 155     cropType : 'image/jpeg',
 156     buttons : false,
 157     canvasLoaded : false,
 158     isDocument : false,
 159     method : 'POST',
 160     paramName : 'imageUpload',
 161     loadMask : true,
 162     loadingText : 'Loading...',
 163     maskEl : false,
 164
 165     getAutoCreate : function()
 166     {
 167         var cfg = {
 168             tag : 'div',
 169             cls : 'roo-upload-cropbox',
 170             cn : [
 171                 {
 172                     tag : 'input',
 173                     cls : 'roo-upload-cropbox-selector',
 174                     type : 'file'
 175                 },
 176                 {
 177                     tag : 'div',
 178                     cls : 'roo-upload-cropbox-body',
 179                     style : 'cursor:pointer',
 180                     cn : [
 181                         {
 182                             tag : 'div',
 183                             cls : 'roo-upload-cropbox-preview'
 184                         },
 185                         {
 186                             tag : 'div',
 187                             cls : 'roo-upload-cropbox-thumb'
 188                         },
 189                         {
 190                             tag : 'div',
 191                             cls : 'roo-upload-cropbox-empty-notify',
 192                             html : this.emptyText
 193                         },
 194                         {
 195                             tag : 'div',
 196                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 197                             html : this.rotateNotify
 198                         }
 199                     ]
 200                 },
 201                 {
 202                     tag : 'div',
 203                     cls : 'roo-upload-cropbox-footer',
 204                     cn : {
 205                         tag : 'div',
 206                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 207                         cn : []
 208                     }
 209                 }
 210             ]
 211         };
 212
 213         return cfg;
 214     },
 215
 216     onRender : function(ct, position)
 217     {
 218         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 219
 220         if(this.el){
 221             if (this.el.attr('xtype')) {
 222                 this.el.attr('xtypex', this.el.attr('xtype'));
 223                 this.el.dom.removeAttribute('xtype');
 224
 225                 this.initEvents();
 226             }
 227         }
 228         else {
 229             var cfg = Roo.apply({},  this.getAutoCreate());
 230
 231             cfg.id = this.id || Roo.id();
 232
 233             if (this.cls) {
 234                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 235             }
 236
 237             if (this.style) { // fixme needs to support more complex style data.
 238                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 239             }
 240
 241             this.el = ct.createChild(cfg, position);
 242
 243             this.initEvents();
 244         }
 245
 246         if (this.buttons.length) {
 247
 248             Roo.each(this.buttons, function(bb) {
 249
 250                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 251
 252                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 253
 254             }, this);
 255         }
 256
 257         if(this.loadMask){
 258             this.maskEl = this.el;
 259         }
 260     },
 261
 262     initEvents : function()
 263     {
 264         this.urlAPI = (window.createObjectURL && window) ||
 265                                 (window.URL && URL.revokeObjectURL && URL) ||
 266                                 (window.webkitURL && webkitURL);
 267
 268         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 269         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 270
 271         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 272         this.selectorEl.hide();
 273
 274         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 275         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 276
 277         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 278         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 279         this.thumbEl.hide();
 280
 281         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 282         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 283
 284         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 285         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 286         this.errorEl.hide();
 287
 288         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 289         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 290         this.footerEl.hide();
 291
 292         this.setThumbBoxSize();
 293
 294         this.bind();
 295
 296         this.resize();
 297
 298         this.fireEvent('initial', this);
 299     },
 300
 301     bind : function()
 302     {
 303         var _this = this;
 304
 305         window.addEventListener("resize", function() { _this.resize(); } );
 306
 307         this.bodyEl.on('click', this.beforeSelectFile, this);
 308
 309         if(Roo.isTouch){
 310             this.bodyEl.on('touchstart', this.onTouchStart, this);
 311             this.bodyEl.on('touchmove', this.onTouchMove, this);
 312             this.bodyEl.on('touchend', this.onTouchEnd, this);
 313         }
 314
 315         if(!Roo.isTouch){
 316             this.bodyEl.on('mousedown', this.onMouseDown, this);
 317             this.bodyEl.on('mousemove', this.onMouseMove, this);
 318             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 319             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 320             Roo.get(document).on('mouseup', this.onMouseUp, this);
 321         }
 322
 323         this.selectorEl.on('change', this.onFileSelected, this);
 324     },
 325
 326     reset : function()
 327     {
 328         this.scale = 0;
 329         this.baseScale = 1;
 330         this.rotate = 0;
 331         this.baseRotate = 1;
 332         this.dragable = false;
 333         this.pinching = false;
 334         this.mouseX = 0;
 335         this.mouseY = 0;
 336         this.cropData = false;
 337         this.notifyEl.dom.innerHTML = this.emptyText;
 338
 339         // this.selectorEl.dom.value = '';
 340
 341     },
 342
 343     resize : function()
 344     {
 345         if(this.fireEvent('resize', this) != false){
 346             this.setThumbBoxPosition();
 347             this.setCanvasPosition();
 348         }
 349     },
 350
 351     onFooterButtonClick : function(e, el, o, type)
 352     {
 353         switch (type) {
 354             case 'rotate-left' :
 355                 this.onRotateLeft(e);
 356                 break;
 357             case 'rotate-right' :
 358                 this.onRotateRight(e);
 359                 break;
 360             case 'picture' :
 361                 this.beforeSelectFile(e);
 362                 break;
 363             case 'trash' :
 364                 this.trash(e);
 365                 break;
 366             case 'crop' :
 367                 this.crop(e);
 368                 break;
 369             case 'download' :
 370                 this.download(e);
 371                 break;
 372             default :
 373                 break;
 374         }
 375
 376         this.fireEvent('footerbuttonclick', this, type);
 377     },
 378
 379     beforeSelectFile : function(e)
 380     {
 381         e.preventDefault();
 382
 383         if(this.fireEvent('beforeselectfile', this) != false){
 384             this.selectorEl.dom.click();
 385         }
 386     },
 387
 388     onFileSelected : function(e)
 389     {
 390         console.log("ON FILE SELECTED");
 391         e.preventDefault();
 392
 393         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 394             return;
 395         }
 396
 397         var file = this.selectorEl.dom.files[0];
 398
 399         if(this.fireEvent('inspect', this, file) != false){
 400             this.prepare(file);
 401         }
 402
 403     },
 404
 405     trash : function(e)
 406     {
 407         this.fireEvent('trash', this);
 408     },
 409
 410     download : function(e)
 411     {
 412         this.fireEvent('download', this);
 413     },
 414
 415     loadCanvas : function(src)
 416     {
 417         console.log("LOAD CANVAS");
 418         console.log(src);
 419         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 420
 421             this.reset();
 422
 423             this.imageEl = document.createElement('img');
 424
 425             var _this = this;
 426
 427             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 428
 429             this.imageEl.src = src;
 430         }
 431     },
 432
 433     onLoadCanvas : function()
 434     {
 435         console.log("ON LOAD CANVAS");
 436         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 437         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 438
 439         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 440
 441             this.bodyEl.un('click', this.beforeSelectFile, this);
 442
 443             this.notifyEl.hide();
 444             this.thumbEl.show();
 445             this.footerEl.show();
 446
 447             this.baseRotateLevel();
 448
 449             if(this.isDocument){
 450                 this.setThumbBoxSize();
 451             }
 452
 453             this.setThumbBoxPosition();
 454
 455             this.baseScaleLevel();
 456
 457             this.draw();
 458
 459             this.resize();
 460
 461             this.canvasLoaded = true;
 462
 463         }
 464
 465         if(this.loadMask){
 466             this.maskEl.unmask();
 467         }
 468
 469     },
 470
 471     setCanvasPosition : function()
 472     {
 473         console.log("SET CANVAS POSITION");
 474         if(!this.canvasEl){
 475             return;
 476         }
 477
 478         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 479         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 480
 481         this.previewEl.setLeft(pw);
 482         this.previewEl.setTop(ph);
 483
 484     },
 485
 486     onMouseDown : function(e)
 487     {
 488         console.log("ON MOUSE DOWN");
 489         e.stopEvent();
 490
 491         this.dragable = true;
 492         this.pinching = false;
 493
 494         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 495             this.dragable = false;
 496             return;
 497         }
 498
 499         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 500         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 501
 502     },
 503
 504     onMouseMove : function(e)
 505     {
 506         console.log ("ON MOUSE MOVE");
 507         e.stopEvent();
 508
 509         if(!this.canvasLoaded){
 510             return;
 511         }
 512
 513         if (!this.dragable){
 514             return;
 515         }
 516
 517         var minX = Math.ceil(this.thumbEl.getLeft(true));
 518         var minY = Math.ceil(this.thumbEl.getTop(true));
 519
 520         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 521         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 522
 523         if(minX > maxX) {
 524             var tempX = minX;
 525             minX = maxX;
 526             maxX = tempX;
 527         }
 528
 529         if(minY > maxY) {
 530             var tempY = minY;
 531             minY = maxY;
 532             maxY = tempY;
 533         }
 534
 535         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 536         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 537
 538         x = x - this.mouseX;
 539         y = y - this.mouseY;
 540
 541         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 542         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 543
 544         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 545         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 546
 547         this.previewEl.setLeft(bgX);
 548         this.previewEl.setTop(bgY);
 549
 550         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 551         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 552     },
 553
 554     onMouseUp : function(e)
 555     {
 556         e.stopEvent();
 557
 558         this.dragable = false;
 559     },
 560
 561     onMouseWheel : function(e)
 562     {
 563         e.stopEvent();
 564
 565         this.startScale = this.scale;
 566         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 567         if(!this.zoomable()){
 568             this.scale = this.startScale;
 569             return;
 570         }
 571
 572         this.draw();
 573
 574         return;
 575     },
 576
 577     zoomable : function()
 578     {
 579         var minScale = this.thumbEl.getWidth() / this.minWidth;
 580
 581         if(this.minWidth < this.minHeight){
 582             minScale = this.thumbEl.getHeight() / this.minHeight;
 583         }
 584
 585         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 586         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 587
 588         var maxWidth = this.imageEl.OriginWidth;
 589         var maxHeight = this.imageEl.OriginHeight;
 590
 591         if(
 592                 this.isDocument &&
 593                 (this.rotate == 0 || this.rotate == 180) &&
 594                 (
 595                     width > this.imageEl.OriginWidth ||
 596                     height > this.imageEl.OriginHeight ||
 597                     (width < this.minWidth && height < this.minHeight)
 598                 )
 599         ){
 600             return false;
 601         }
 602
 603         if(
 604                 this.isDocument &&
 605                 (this.rotate == 90 || this.rotate == 270) &&
 606                 (
 607                     width > this.imageEl.OriginWidth ||
 608                     height > this.imageEl.OriginHeight ||
 609                     (width < this.minHeight && height < this.minWidth)
 610                 )
 611         ){
 612             return false;
 613         }
 614
 615         if(
 616                 !this.isDocument &&
 617                 (this.rotate == 0 || this.rotate == 180) &&
 618                 (
 619                     width < this.minWidth ||
 620                     height < this.minHeight ||
 621                     width > maxWidth ||
 622                     height > maxHeight
 623                 )
 624         ){
 625             return false;
 626         }
 627
 628         if(
 629                 !this.isDocument &&
 630                 (this.rotate == 90 || this.rotate == 270) &&
 631                 (
 632                     width < this.minHeight ||
 633                     width > this.imageEl.OriginWidth ||
 634                     height < this.minWidth ||
 635                     height > this.imageEl.OriginHeight
 636                 )
 637         ){
 638             return false;
 639         }
 640
 641         return true;
 642
 643     },
 644
 645     onRotateLeft : function(e)
 646     {
 647         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 648
 649             var minScale = this.thumbEl.getWidth() / this.minWidth;
 650
 651             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 652             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 653
 654             this.startScale = this.scale;
 655
 656             while (this.getScaleLevel() < minScale){
 657
 658                 this.scale = this.scale + 1;
 659
 660                 if(!this.zoomable()){
 661                     break;
 662                 }
 663
 664                 if(
 665                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 666                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 667                 ){
 668                     continue;
 669                 }
 670
 671                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 672
 673                 this.draw();
 674
 675                 return;
 676             }
 677
 678             this.scale = this.startScale;
 679
 680             this.onRotateFail();
 681
 682             return false;
 683         }
 684
 685         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 686
 687         if(this.isDocument){
 688             this.setThumbBoxSize();
 689             this.setThumbBoxPosition();
 690             this.setCanvasPosition();
 691         }
 692
 693         this.draw();
 694
 695         this.fireEvent('rotate', this, 'left');
 696
 697     },
 698
 699     onRotateRight : function(e)
 700     {
 701         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 702
 703             var minScale = this.thumbEl.getWidth() / this.minWidth;
 704
 705             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 706             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 707
 708             this.startScale = this.scale;
 709
 710             while (this.getScaleLevel() < minScale){
 711
 712                 this.scale = this.scale + 1;
 713
 714                 if(!this.zoomable()){
 715                     break;
 716                 }
 717
 718                 if(
 719                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 720                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 721                 ){
 722                     continue;
 723                 }
 724
 725                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 726
 727                 this.draw();
 728
 729                 return;
 730             }
 731
 732             this.scale = this.startScale;
 733
 734             this.onRotateFail();
 735
 736             return false;
 737         }
 738
 739         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 740
 741         if(this.isDocument){
 742             this.setThumbBoxSize();
 743             this.setThumbBoxPosition();
 744             this.setCanvasPosition();
 745         }
 746
 747         this.draw();
 748
 749         this.fireEvent('rotate', this, 'right');
 750     },
 751
 752     onRotateFail : function()
 753     {
 754         this.errorEl.show(true);
 755
 756         var _this = this;
 757
 758         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 759     },
 760
 761     draw : function()
 762     {
 763         console.log("DRAW");
 764         this.previewEl.dom.innerHTML = '';
 765
 766         var canvasEl = document.createElement("canvas");
 767
 768         var contextEl = canvasEl.getContext("2d");
 769
 770         console.log(this.getScaleLevel());
 771
 772         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 773         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 774         var center = this.imageEl.OriginWidth / 2;
 775
 776         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 777             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 778             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 779             center = this.imageEl.OriginHeight / 2;
 780         }
 781
 782         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 783
 784         contextEl.translate(center, center);
 785         contextEl.rotate(this.rotate * Math.PI / 180);
 786
 787         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 788
 789         this.canvasEl = document.createElement("canvas");
 790
 791         this.contextEl = this.canvasEl.getContext("2d");
 792
 793         switch (this.rotate) {
 794             case 0 :
 795
 796                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 797                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 798
 799                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 800
 801                 break;
 802             case 90 :
 803
 804                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 805                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 806
 807                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 808                     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);
 809                     break;
 810                 }
 811
 812                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 813
 814                 break;
 815             case 180 :
 816
 817                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 818                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 819
 820                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 821                     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);
 822                     break;
 823                 }
 824
 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
 827                 break;
 828             case 270 :
 829
 830                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 831                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 832
 833                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 834                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 835                     break;
 836                 }
 837
 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
 840                 break;
 841             default :
 842                 break;
 843         }
 844
 845         this.previewEl.appendChild(this.canvasEl);
 846
 847         this.setCanvasPosition();
 848     },
 849
 850     crop : function()
 851     {
 852         if(!this.canvasLoaded){
 853             return;
 854         }
 855
 856         var imageCanvas = document.createElement("canvas");
 857
 858         var imageContext = imageCanvas.getContext("2d");
 859
 860         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 861         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 862
 863         var center = imageCanvas.width / 2;
 864
 865         imageContext.translate(center, center);
 866
 867         imageContext.rotate(this.rotate * Math.PI / 180);
 868
 869         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 870
 871         var canvas = document.createElement("canvas");
 872
 873         var context = canvas.getContext("2d");
 874
 875         canvas.width = this.minWidth;
 876         canvas.height = this.minHeight;
 877
 878         switch (this.rotate) {
 879             case 0 :
 880
 881                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 882                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 883
 884                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 885                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 886
 887                 var targetWidth = this.minWidth - 2 * x;
 888                 var targetHeight = this.minHeight - 2 * y;
 889
 890                 var scale = 1;
 891
 892                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 893                     scale = targetWidth / width;
 894                 }
 895
 896                 if(x > 0 && y == 0){
 897                     scale = targetHeight / height;
 898                 }
 899
 900                 if(x > 0 && y > 0){
 901                     scale = targetWidth / width;
 902
 903                     if(width < height){
 904                         scale = targetHeight / height;
 905                     }
 906                 }
 907
 908                 context.scale(scale, scale);
 909
 910                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 911                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 912
 913                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 914                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 915
 916                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 917
 918                 break;
 919             case 90 :
 920
 921                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 922                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 923
 924                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 925                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 926
 927                 var targetWidth = this.minWidth - 2 * x;
 928                 var targetHeight = this.minHeight - 2 * y;
 929
 930                 var scale = 1;
 931
 932                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 933                     scale = targetWidth / width;
 934                 }
 935
 936                 if(x > 0 && y == 0){
 937                     scale = targetHeight / height;
 938                 }
 939
 940                 if(x > 0 && y > 0){
 941                     scale = targetWidth / width;
 942
 943                     if(width < height){
 944                         scale = targetHeight / height;
 945                     }
 946                 }
 947
 948                 context.scale(scale, scale);
 949
 950                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 951                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 952
 953                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 954                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 955
 956                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 957
 958                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 959
 960                 break;
 961             case 180 :
 962
 963                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 964                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 965
 966                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 967                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 968
 969                 var targetWidth = this.minWidth - 2 * x;
 970                 var targetHeight = this.minHeight - 2 * y;
 971
 972                 var scale = 1;
 973
 974                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 975                     scale = targetWidth / width;
 976                 }
 977
 978                 if(x > 0 && y == 0){
 979                     scale = targetHeight / height;
 980                 }
 981
 982                 if(x > 0 && y > 0){
 983                     scale = targetWidth / width;
 984
 985                     if(width < height){
 986                         scale = targetHeight / height;
 987                     }
 988                 }
 989
 990                 context.scale(scale, scale);
 991
 992                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 993                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 994
 995                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 996                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 997
 998                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
 999                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1000
1001                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1002
1003                 break;
1004             case 270 :
1005
1006                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1007                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1008
1009                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1010                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1011
1012                 var targetWidth = this.minWidth - 2 * x;
1013                 var targetHeight = this.minHeight - 2 * y;
1014
1015                 var scale = 1;
1016
1017                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1018                     scale = targetWidth / width;
1019                 }
1020
1021                 if(x > 0 && y == 0){
1022                     scale = targetHeight / height;
1023                 }
1024
1025                 if(x > 0 && y > 0){
1026                     scale = targetWidth / width;
1027
1028                     if(width < height){
1029                         scale = targetHeight / height;
1030                     }
1031                 }
1032
1033                 context.scale(scale, scale);
1034
1035                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1036                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1037
1038                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1039                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1040
1041                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1042
1043                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1044
1045                 break;
1046             default :
1047                 break;
1048         }
1049
1050         this.cropData = canvas.toDataURL(this.cropType);
1051
1052         if(this.fireEvent('crop', this, this.cropData) !== false){
1053             this.process(this.file, this.cropData);
1054         }
1055
1056         return;
1057
1058     },
1059
1060     setThumbBoxSize : function()
1061     {
1062         var width, height;
1063
1064         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1065             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1066             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1067
1068             this.minWidth = width;
1069             this.minHeight = height;
1070
1071             if(this.rotate == 90 || this.rotate == 270){
1072                 this.minWidth = height;
1073                 this.minHeight = width;
1074             }
1075         }
1076
1077         height = 300;
1078         width = Math.ceil(this.minWidth * height / this.minHeight);
1079
1080         if(this.minWidth > this.minHeight){
1081             width = 300;
1082             height = Math.ceil(this.minHeight * width / this.minWidth);
1083         }
1084
1085         this.thumbEl.setStyle({
1086             width : width + 'px',
1087             height : height + 'px'
1088         });
1089
1090         return;
1091
1092     },
1093
1094     setThumbBoxPosition : function()
1095     {
1096         console.log("SET THUMBBOX POSITION");
1097         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1098         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1099
1100         this.thumbEl.setLeft(x);
1101         this.thumbEl.setTop(y);
1102
1103     },
1104
1105     baseRotateLevel : function()
1106     {
1107         console.log("BASE ROTATE LEVEL");
1108         this.baseRotate = 1;
1109
1110         if(
1111                 typeof(this.exif) != 'undefined' &&
1112                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1113                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1114         ){
1115             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1116         }
1117
1118         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1119
1120     },
1121
1122     baseScaleLevel : function()
1123     {
1124         console.log("BASE SCALE LEVEL");
1125         var width, height;
1126
1127         if(this.isDocument){
1128
1129             if(this.baseRotate == 6 || this.baseRotate == 8){
1130
1131                 height = this.thumbEl.getHeight();
1132                 this.baseScale = height / this.imageEl.OriginWidth;
1133
1134                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1135                     width = this.thumbEl.getWidth();
1136                     this.baseScale = width / this.imageEl.OriginHeight;
1137                 }
1138
1139                 return;
1140             }
1141
1142             height = this.thumbEl.getHeight();
1143             this.baseScale = height / this.imageEl.OriginHeight;
1144
1145             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1146                 width = this.thumbEl.getWidth();
1147                 this.baseScale = width / this.imageEl.OriginWidth;
1148             }
1149
1150             return;
1151         }
1152
1153         if(this.baseRotate == 6 || this.baseRotate == 8){
1154
1155             width = this.thumbEl.getHeight();
1156             this.baseScale = width / this.imageEl.OriginHeight;
1157
1158             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1159                 height = this.thumbEl.getWidth();
1160                 this.baseScale = height / this.imageEl.OriginHeight;
1161             }
1162
1163             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1164                 height = this.thumbEl.getWidth();
1165                 this.baseScale = height / this.imageEl.OriginHeight;
1166
1167                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1168                     width = this.thumbEl.getHeight();
1169                     this.baseScale = width / this.imageEl.OriginWidth;
1170                 }
1171             }
1172
1173             return;
1174         }
1175
1176         width = this.thumbEl.getWidth();
1177         this.baseScale = width / this.imageEl.OriginWidth;
1178
1179         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1180             height = this.thumbEl.getHeight();
1181             this.baseScale = height / this.imageEl.OriginHeight;
1182         }
1183
1184         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1185
1186             height = this.thumbEl.getHeight();
1187             this.baseScale = height / this.imageEl.OriginHeight;
1188
1189             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1190                 width = this.thumbEl.getWidth();
1191                 this.baseScale = width / this.imageEl.OriginWidth;
1192             }
1193
1194         }
1195
1196         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1197             this.baseScale = width / this.minWidth;
1198         }
1199         console.log(this.baseScale);
1200         return;
1201     },
1202
1203     getScaleLevel : function()
1204     {
1205         return this.baseScale * Math.pow(1.02, this.scale);
1206     },
1207
1208     onTouchStart : function(e)
1209     {
1210         if(!this.canvasLoaded){
1211             this.beforeSelectFile(e);
1212             return;
1213         }
1214
1215         var touches = e.browserEvent.touches;
1216
1217         if(!touches){
1218             return;
1219         }
1220
1221         if(touches.length == 1){
1222             this.onMouseDown(e);
1223             return;
1224         }
1225
1226         if(touches.length != 2){
1227             return;
1228         }
1229
1230         var coords = [];
1231
1232         for(var i = 0, finger; finger = touches[i]; i++){
1233             coords.push(finger.pageX, finger.pageY);
1234         }
1235
1236         var x = Math.pow(coords[0] - coords[2], 2);
1237         var y = Math.pow(coords[1] - coords[3], 2);
1238
1239         this.startDistance = Math.sqrt(x + y);
1240
1241         this.startScale = this.scale;
1242
1243         this.pinching = true;
1244         this.dragable = false;
1245
1246     },
1247
1248     onTouchMove : function(e)
1249     {
1250         if(!this.pinching && !this.dragable){
1251             return;
1252         }
1253
1254         var touches = e.browserEvent.touches;
1255
1256         if(!touches){
1257             return;
1258         }
1259
1260         if(this.dragable){
1261             this.onMouseMove(e);
1262             return;
1263         }
1264
1265         var coords = [];
1266
1267         for(var i = 0, finger; finger = touches[i]; i++){
1268             coords.push(finger.pageX, finger.pageY);
1269         }
1270
1271         var x = Math.pow(coords[0] - coords[2], 2);
1272         var y = Math.pow(coords[1] - coords[3], 2);
1273
1274         this.endDistance = Math.sqrt(x + y);
1275
1276         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1277
1278         if(!this.zoomable()){
1279             this.scale = this.startScale;
1280             return;
1281         }
1282
1283         this.draw();
1284
1285     },
1286
1287     onTouchEnd : function(e)
1288     {
1289         this.pinching = false;
1290         this.dragable = false;
1291
1292     },
1293
1294     process : function(file, crop)
1295     {
1296         if(this.loadMask){
1297             this.maskEl.mask(this.loadingText);
1298         }
1299
1300         this.xhr = new XMLHttpRequest();
1301
1302         file.xhr = this.xhr;
1303
1304         this.xhr.open(this.method, this.url, true);
1305
1306         var headers = {
1307             "Accept": "application/json",
1308             "Cache-Control": "no-cache",
1309             "X-Requested-With": "XMLHttpRequest"
1310         };
1311
1312         for (var headerName in headers) {
1313             var headerValue = headers[headerName];
1314             if (headerValue) {
1315                 this.xhr.setRequestHeader(headerName, headerValue);
1316             }
1317         }
1318
1319         var _this = this;
1320
1321         this.xhr.onload = function()
1322         {
1323             _this.xhrOnLoad(_this.xhr);
1324         }
1325
1326         this.xhr.onerror = function()
1327         {
1328             _this.xhrOnError(_this.xhr);
1329         }
1330
1331         var formData = new FormData();
1332
1333         formData.append('returnHTML', 'NO');
1334
1335         if(crop){
1336             formData.append('crop', crop);
1337         }
1338
1339         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1340             formData.append(this.paramName, file, file.name);
1341         }
1342
1343         if(typeof(file.filename) != 'undefined'){
1344             formData.append('filename', file.filename);
1345         }
1346
1347         if(typeof(file.mimetype) != 'undefined'){
1348             formData.append('mimetype', file.mimetype);
1349         }
1350
1351         if(this.fireEvent('arrange', this, formData) != false){
1352             this.xhr.send(formData);
1353         };
1354     },
1355
1356     xhrOnLoad : function(xhr)
1357     {
1358         if(this.loadMask){
1359             this.maskEl.unmask();
1360         }
1361
1362         if (xhr.readyState !== 4) {
1363             this.fireEvent('exception', this, xhr);
1364             return;
1365         }
1366
1367         var response = Roo.decode(xhr.responseText);
1368
1369         if(!response.success){
1370             this.fireEvent('exception', this, xhr);
1371             return;
1372         }
1373
1374         var response = Roo.decode(xhr.responseText);
1375
1376         this.fireEvent('upload', this, response);
1377
1378     },
1379
1380     xhrOnError : function()
1381     {
1382         if(this.loadMask){
1383             this.maskEl.unmask();
1384         }
1385
1386         Roo.log('xhr on error');
1387
1388         var response = Roo.decode(xhr.responseText);
1389
1390         Roo.log(response);
1391
1392     },
1393
1394     prepare : function(file)
1395     {
1396         console.log("PREPARE");
1397         console.log(file);
1398         if(this.loadMask){
1399             this.maskEl.mask(this.loadingText);
1400         }
1401
1402         this.file = false;
1403         this.exif = {};
1404
1405         if(typeof(file) === 'string'){
1406             this.loadCanvas(file);
1407             return;
1408         }
1409
1410         if(!file || !this.urlAPI){
1411             return;
1412         }
1413
1414         this.file = file;
1415         this.cropType = file.type;
1416
1417         var _this = this;
1418
1419         if(this.fireEvent('prepare', this, this.file) != false){
1420
1421             var reader = new FileReader();
1422
1423             reader.onload = function (e) {
1424                 if (e.target.error) {
1425                     Roo.log(e.target.error);
1426                     return;
1427                 }
1428
1429                 var buffer = e.target.result,
1430                     dataView = new DataView(buffer),
1431                     offset = 2,
1432                     maxOffset = dataView.byteLength - 4,
1433                     markerBytes,
1434                     markerLength;
1435
1436                 if (dataView.getUint16(0) === 0xffd8) {
1437                     while (offset < maxOffset) {
1438                         markerBytes = dataView.getUint16(offset);
1439
1440                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1441                             markerLength = dataView.getUint16(offset + 2) + 2;
1442                             if (offset + markerLength > dataView.byteLength) {
1443                                 Roo.log('Invalid meta data: Invalid segment size.');
1444                                 break;
1445                             }
1446
1447                             if(markerBytes == 0xffe1){
1448                                 _this.parseExifData(
1449                                     dataView,
1450                                     offset,
1451                                     markerLength
1452                                 );
1453                             }
1454
1455                             offset += markerLength;
1456
1457                             continue;
1458                         }
1459
1460                         break;
1461                     }
1462
1463                 }
1464
1465                 var url = _this.urlAPI.createObjectURL(_this.file);
1466
1467                 _this.loadCanvas(url);
1468
1469                 return;
1470             }
1471
1472             reader.readAsArrayBuffer(this.file);
1473
1474         }
1475
1476     },
1477
1478     parseExifData : function(dataView, offset, length)
1479     {
1480         var tiffOffset = offset + 10,
1481             littleEndian,
1482             dirOffset;
1483
1484         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1485             // No Exif data, might be XMP data instead
1486             return;
1487         }
1488
1489         // Check for the ASCII code for "Exif" (0x45786966):
1490         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1491             // No Exif data, might be XMP data instead
1492             return;
1493         }
1494         if (tiffOffset + 8 > dataView.byteLength) {
1495             Roo.log('Invalid Exif data: Invalid segment size.');
1496             return;
1497         }
1498         // Check for the two null bytes:
1499         if (dataView.getUint16(offset + 8) !== 0x0000) {
1500             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1501             return;
1502         }
1503         // Check the byte alignment:
1504         switch (dataView.getUint16(tiffOffset)) {
1505         case 0x4949:
1506             littleEndian = true;
1507             break;
1508         case 0x4D4D:
1509             littleEndian = false;
1510             break;
1511         default:
1512             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1513             return;
1514         }
1515         // Check for the TIFF tag marker (0x002A):
1516         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1517             Roo.log('Invalid Exif data: Missing TIFF marker.');
1518             return;
1519         }
1520         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1521         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1522
1523         this.parseExifTags(
1524             dataView,
1525             tiffOffset,
1526             tiffOffset + dirOffset,
1527             littleEndian
1528         );
1529     },
1530
1531     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1532     {
1533         var tagsNumber,
1534             dirEndOffset,
1535             i;
1536         if (dirOffset + 6 > dataView.byteLength) {
1537             Roo.log('Invalid Exif data: Invalid directory offset.');
1538             return;
1539         }
1540         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1541         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1542         if (dirEndOffset + 4 > dataView.byteLength) {
1543             Roo.log('Invalid Exif data: Invalid directory size.');
1544             return;
1545         }
1546         for (i = 0; i < tagsNumber; i += 1) {
1547             this.parseExifTag(
1548                 dataView,
1549                 tiffOffset,
1550                 dirOffset + 2 + 12 * i, // tag offset
1551                 littleEndian
1552             );
1553         }
1554         // Return the offset to the next directory:
1555         return dataView.getUint32(dirEndOffset, littleEndian);
1556     },
1557
1558     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1559     {
1560         var tag = dataView.getUint16(offset, littleEndian);
1561
1562         this.exif[tag] = this.getExifValue(
1563             dataView,
1564             tiffOffset,
1565             offset,
1566             dataView.getUint16(offset + 2, littleEndian), // tag type
1567             dataView.getUint32(offset + 4, littleEndian), // tag length
1568             littleEndian
1569         );
1570     },
1571
1572     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1573     {
1574         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1575             tagSize,
1576             dataOffset,
1577             values,
1578             i,
1579             str,
1580             c;
1581
1582         if (!tagType) {
1583             Roo.log('Invalid Exif data: Invalid tag type.');
1584             return;
1585         }
1586
1587         tagSize = tagType.size * length;
1588         // Determine if the value is contained in the dataOffset bytes,
1589         // or if the value at the dataOffset is a pointer to the actual data:
1590         dataOffset = tagSize > 4 ?
1591                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1592         if (dataOffset + tagSize > dataView.byteLength) {
1593             Roo.log('Invalid Exif data: Invalid data offset.');
1594             return;
1595         }
1596         if (length === 1) {
1597             return tagType.getValue(dataView, dataOffset, littleEndian);
1598         }
1599         values = [];
1600         for (i = 0; i < length; i += 1) {
1601             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1602         }
1603
1604         if (tagType.ascii) {
1605             str = '';
1606             // Concatenate the chars:
1607             for (i = 0; i < values.length; i += 1) {
1608                 c = values[i];
1609                 // Ignore the terminating NULL byte(s):
1610                 if (c === '\u0000') {
1611                     break;
1612                 }
1613                 str += c;
1614             }
1615             return str;
1616         }
1617         return values;
1618     }
1619
1620 });
1621
1622 Roo.apply(Roo.dialog.UploadCropbox, {
1623     tags : {
1624         'Orientation': 0x0112
1625     },
1626
1627     Orientation: {
1628             1: 0, //'top-left',
1629 //            2: 'top-right',
1630             3: 180, //'bottom-right',
1631 //            4: 'bottom-left',
1632 //            5: 'left-top',
1633             6: 90, //'right-top',
1634 //            7: 'right-bottom',
1635             8: 270 //'left-bottom'
1636     },
1637
1638     exifTagTypes : {
1639         // byte, 8-bit unsigned int:
1640         1: {
1641             getValue: function (dataView, dataOffset) {
1642                 return dataView.getUint8(dataOffset);
1643             },
1644             size: 1
1645         },
1646         // ascii, 8-bit byte:
1647         2: {
1648             getValue: function (dataView, dataOffset) {
1649                 return String.fromCharCode(dataView.getUint8(dataOffset));
1650             },
1651             size: 1,
1652             ascii: true
1653         },
1654         // short, 16 bit int:
1655         3: {
1656             getValue: function (dataView, dataOffset, littleEndian) {
1657                 return dataView.getUint16(dataOffset, littleEndian);
1658             },
1659             size: 2
1660         },
1661         // long, 32 bit int:
1662         4: {
1663             getValue: function (dataView, dataOffset, littleEndian) {
1664                 return dataView.getUint32(dataOffset, littleEndian);
1665             },
1666             size: 4
1667         },
1668         // rational = two long values, first is numerator, second is denominator:
1669         5: {
1670             getValue: function (dataView, dataOffset, littleEndian) {
1671                 return dataView.getUint32(dataOffset, littleEndian) /
1672                     dataView.getUint32(dataOffset + 4, littleEndian);
1673             },
1674             size: 8
1675         },
1676         // slong, 32 bit signed int:
1677         9: {
1678             getValue: function (dataView, dataOffset, littleEndian) {
1679                 return dataView.getInt32(dataOffset, littleEndian);
1680             },
1681             size: 4
1682         },
1683         // srational, two slongs, first is numerator, second is denominator:
1684         10: {
1685             getValue: function (dataView, dataOffset, littleEndian) {
1686                 return dataView.getInt32(dataOffset, littleEndian) /
1687                     dataView.getInt32(dataOffset + 4, littleEndian);
1688             },
1689             size: 8
1690         }
1691     },
1692
1693     footer : {
1694         STANDARD : [
1695             {
1696                 tag : 'div',
1697                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1698                 action : 'rotate-left',
1699                 cn : [
1700                     {
1701                         tag : 'button',
1702                         cls : 'btn btn-default',
1703                         html : '<i class="fa fa-undo"></i>'
1704                     }
1705                 ]
1706             },
1707             {
1708                 tag : 'div',
1709                 cls : 'btn-group roo-upload-cropbox-picture',
1710                 action : 'picture',
1711                 cn : [
1712                     {
1713                         tag : 'button',
1714                         cls : 'btn btn-default',
1715                         html : '<i class="fa fa-picture-o"></i>'
1716                     }
1717                 ]
1718             },
1719             {
1720                 tag : 'div',
1721                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1722                 action : 'rotate-right',
1723                 cn : [
1724                     {
1725                         tag : 'button',
1726                         cls : 'btn btn-default',
1727                         html : '<i class="fa fa-repeat"></i>'
1728                     }
1729                 ]
1730             }
1731         ],
1732         DOCUMENT : [
1733             {
1734                 tag : 'div',
1735                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1736                 action : 'rotate-left',
1737                 cn : [
1738                     {
1739                         tag : 'button',
1740                         cls : 'btn btn-default',
1741                         html : '<i class="fa fa-undo"></i>'
1742                     }
1743                 ]
1744             },
1745             {
1746                 tag : 'div',
1747                 cls : 'btn-group roo-upload-cropbox-download',
1748                 action : 'download',
1749                 cn : [
1750                     {
1751                         tag : 'button',
1752                         cls : 'btn btn-default',
1753                         html : '<i class="fa fa-download"></i>'
1754                     }
1755                 ]
1756             },
1757             {
1758                 tag : 'div',
1759                 cls : 'btn-group roo-upload-cropbox-crop',
1760                 action : 'crop',
1761                 cn : [
1762                     {
1763                         tag : 'button',
1764                         cls : 'btn btn-default',
1765                         html : '<i class="fa fa-crop"></i>'
1766                     }
1767                 ]
1768             },
1769             {
1770                 tag : 'div',
1771                 cls : 'btn-group roo-upload-cropbox-trash',
1772                 action : 'trash',
1773                 cn : [
1774                     {
1775                         tag : 'button',
1776                         cls : 'btn btn-default',
1777                         html : '<i class="fa fa-trash"></i>'
1778                     }
1779                 ]
1780             },
1781             {
1782                 tag : 'div',
1783                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1784                 action : 'rotate-right',
1785                 cn : [
1786                     {
1787                         tag : 'button',
1788                         cls : 'btn btn-default',
1789                         html : '<i class="fa fa-repeat"></i>'
1790                     }
1791                 ]
1792             }
1793         ],
1794         ROTATOR : [
1795             {
1796                 tag : 'div',
1797                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1798                 action : 'rotate-left',
1799                 cn : [
1800                     {
1801                         tag : 'button',
1802                         cls : 'btn btn-default',
1803                         html : '<i class="fa fa-undo"></i>'
1804                     }
1805                 ]
1806             },
1807             {
1808                 tag : 'div',
1809                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1810                 action : 'rotate-right',
1811                 cn : [
1812                     {
1813                         tag : 'button',
1814                         cls : 'btn btn-default',
1815                         html : '<i class="fa fa-repeat"></i>'
1816                     }
1817                 ]
1818             }
1819         ]
1820     }
1821 });