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