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         e.stopEvent();
 489
 490         this.dragable = true;
 491         this.pinching = false;
 492
 493         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 494             this.dragable = false;
 495             return;
 496         }
 497
 498         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 499         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 500
 501     },
 502
 503     onMouseMove : function(e)
 504     {
 505         e.stopEvent();
 506
 507         if(!this.canvasLoaded){
 508             return;
 509         }
 510
 511         if (!this.dragable){
 512             return;
 513         }
 514
 515         var minX = Math.ceil(this.thumbEl.getLeft(true));
 516         var minY = Math.ceil(this.thumbEl.getTop(true));
 517
 518         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 519         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 520
 521         if(minX > maxX) {
 522             var tempX = minX;
 523             minX = maxX;
 524             maxX = tempX;
 525         }
 526
 527         if(minY > maxY) {
 528             var tempY = minY;
 529             minY = maxY;
 530             maxY = tempY;
 531         }
 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 = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 543         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? 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
 566         console.log("START SCALE:" + this.startScale);
 567         console.log("TEST SCALE: " + this.scale);
 568         if(!this.zoomable()){
 569             this.scale = this.startScale;
 570             return;
 571         }
 572
 573         console.log("END SCALE: " + this.scale);
 574
 575         this.draw();
 576
 577         return;
 578     },
 579
 580     zoomable : function()
 581     {
 582         var minScale = this.thumbEl.getWidth() / this.minWidth;
 583
 584         if(this.minWidth < this.minHeight){
 585             minScale = this.thumbEl.getHeight() / this.minHeight;
 586         }
 587
 588         console.log("MINSCALE: " + minScale);
 589
 590         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 591         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 592
 593         console.log("WIDTH: " + width);
 594         console.log("HEIGHT: " + height);
 595
 596         var maxWidth = this.imageEl.OriginWidth;
 597         var maxHeight = this.imageEl.OriginHeight;
 598
 599         if(
 600                 this.isDocument &&
 601                 (this.rotate == 0 || this.rotate == 180) &&
 602                 (
 603                     width > this.imageEl.OriginWidth ||
 604                     height > this.imageEl.OriginHeight ||
 605                     (width < this.minWidth && height < this.minHeight)
 606                 )
 607         ){
 608             return false;
 609         }
 610
 611         if(
 612                 this.isDocument &&
 613                 (this.rotate == 90 || this.rotate == 270) &&
 614                 (
 615                     width > this.imageEl.OriginWidth ||
 616                     height > this.imageEl.OriginHeight ||
 617                     (width < this.minHeight && height < this.minWidth)
 618                 )
 619         ){
 620             return false;
 621         }
 622
 623         if(
 624                 !this.isDocument &&
 625                 (this.rotate == 0 || this.rotate == 180) &&
 626                 (
 627                     width < this.minWidth ||
 628                     height < this.minHeight ||
 629                     width > maxWidth ||
 630                     height > maxHeight
 631                 )
 632         ){
 633             return false;
 634         }
 635
 636         if(
 637                 !this.isDocument &&
 638                 (this.rotate == 90 || this.rotate == 270) &&
 639                 (
 640                     width < this.minHeight ||
 641                     width > this.imageEl.OriginWidth ||
 642                     height < this.minWidth ||
 643                     height > this.imageEl.OriginHeight
 644                 )
 645         ){
 646             return false;
 647         }
 648
 649         return true;
 650
 651     },
 652
 653     onRotateLeft : function(e)
 654     {
 655         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 656
 657             var minScale = this.thumbEl.getWidth() / this.minWidth;
 658
 659             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 660             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 661
 662             this.startScale = this.scale;
 663
 664             while (this.getScaleLevel() < minScale){
 665
 666                 this.scale = this.scale + 1;
 667
 668                 if(!this.zoomable()){
 669                     break;
 670                 }
 671
 672                 if(
 673                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 674                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 675                 ){
 676                     continue;
 677                 }
 678
 679                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 680
 681                 this.draw();
 682
 683                 return;
 684             }
 685
 686             this.scale = this.startScale;
 687
 688             this.onRotateFail();
 689
 690             return false;
 691         }
 692
 693         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 694
 695         if(this.isDocument){
 696             this.setThumbBoxSize();
 697             this.setThumbBoxPosition();
 698             this.setCanvasPosition();
 699         }
 700
 701         this.draw();
 702
 703         this.fireEvent('rotate', this, 'left');
 704
 705     },
 706
 707     onRotateRight : function(e)
 708     {
 709         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 710
 711             var minScale = this.thumbEl.getWidth() / this.minWidth;
 712
 713             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 714             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 715
 716             this.startScale = this.scale;
 717
 718             while (this.getScaleLevel() < minScale){
 719
 720                 this.scale = this.scale + 1;
 721
 722                 if(!this.zoomable()){
 723                     break;
 724                 }
 725
 726                 if(
 727                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 728                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 729                 ){
 730                     continue;
 731                 }
 732
 733                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 734
 735                 this.draw();
 736
 737                 return;
 738             }
 739
 740             this.scale = this.startScale;
 741
 742             this.onRotateFail();
 743
 744             return false;
 745         }
 746
 747         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 748
 749         if(this.isDocument){
 750             this.setThumbBoxSize();
 751             this.setThumbBoxPosition();
 752             this.setCanvasPosition();
 753         }
 754
 755         this.draw();
 756
 757         this.fireEvent('rotate', this, 'right');
 758     },
 759
 760     onRotateFail : function()
 761     {
 762         this.errorEl.show(true);
 763
 764         var _this = this;
 765
 766         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 767     },
 768
 769     draw : function()
 770     {
 771         console.log("DRAW");
 772         this.previewEl.dom.innerHTML = '';
 773
 774         var canvasEl = document.createElement("canvas");
 775
 776         var contextEl = canvasEl.getContext("2d");
 777
 778         console.log(this.getScaleLevel());
 779
 780         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 781         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 782         var center = this.imageEl.OriginWidth / 2;
 783
 784         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 785             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 786             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 787             center = this.imageEl.OriginHeight / 2;
 788         }
 789
 790         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 791
 792         contextEl.translate(center, center);
 793         contextEl.rotate(this.rotate * Math.PI / 180);
 794
 795         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 796
 797         this.canvasEl = document.createElement("canvas");
 798
 799         this.contextEl = this.canvasEl.getContext("2d");
 800
 801         switch (this.rotate) {
 802             case 0 :
 803
 804                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 805                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 806
 807                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 808
 809                 break;
 810             case 90 :
 811
 812                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 813                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 814
 815                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 816                     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);
 817                     break;
 818                 }
 819
 820                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 821
 822                 break;
 823             case 180 :
 824
 825                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 826                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 827
 828                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 829                     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);
 830                     break;
 831                 }
 832
 833                 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);
 834
 835                 break;
 836             case 270 :
 837
 838                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 839                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 840
 841                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 842                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 843                     break;
 844                 }
 845
 846                 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);
 847
 848                 break;
 849             default :
 850                 break;
 851         }
 852
 853         this.previewEl.appendChild(this.canvasEl);
 854
 855         this.setCanvasPosition();
 856     },
 857
 858     crop : function()
 859     {
 860         console.log("crop");
 861         if(!this.canvasLoaded){
 862             return;
 863         }
 864
 865         var imageCanvas = document.createElement("canvas");
 866
 867         var imageContext = imageCanvas.getContext("2d");
 868
 869         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 870         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 871
 872         var center = imageCanvas.width / 2;
 873
 874         imageContext.translate(center, center);
 875
 876         imageContext.rotate(this.rotate * Math.PI / 180);
 877
 878         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 879
 880         var canvas = document.createElement("canvas");
 881
 882         var context = canvas.getContext("2d");
 883
 884         canvas.width = this.minWidth;
 885         canvas.height = this.minHeight;
 886
 887         switch (this.rotate) {
 888             case 0 :
 889
 890                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 891                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 892
 893                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 894                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 895
 896                 var targetWidth = this.minWidth - 2 * x;
 897                 var targetHeight = this.minHeight - 2 * y;
 898
 899                 var scale = 1;
 900
 901                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 902                     scale = targetWidth / width;
 903                 }
 904
 905                 if(x > 0 && y == 0){
 906                     scale = targetHeight / height;
 907                 }
 908
 909                 if(x > 0 && y > 0){
 910                     scale = targetWidth / width;
 911
 912                     if(width < height){
 913                         scale = targetHeight / height;
 914                     }
 915                 }
 916
 917                 context.scale(scale, scale);
 918
 919                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 920                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 921
 922                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 923                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 924
 925                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 926
 927                 break;
 928             case 90 :
 929
 930                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 931                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 932
 933                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 934                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 935
 936                 var targetWidth = this.minWidth - 2 * x;
 937                 var targetHeight = this.minHeight - 2 * y;
 938
 939                 var scale = 1;
 940
 941                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 942                     scale = targetWidth / width;
 943                 }
 944
 945                 if(x > 0 && y == 0){
 946                     scale = targetHeight / height;
 947                 }
 948
 949                 if(x > 0 && y > 0){
 950                     scale = targetWidth / width;
 951
 952                     if(width < height){
 953                         scale = targetHeight / height;
 954                     }
 955                 }
 956
 957                 context.scale(scale, scale);
 958
 959                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 960                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 961
 962                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 963                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 964
 965                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 966
 967                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 968
 969                 break;
 970             case 180 :
 971
 972                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 973                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 974
 975                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 976                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 977
 978                 var targetWidth = this.minWidth - 2 * x;
 979                 var targetHeight = this.minHeight - 2 * y;
 980
 981                 var scale = 1;
 982
 983                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 984                     scale = targetWidth / width;
 985                 }
 986
 987                 if(x > 0 && y == 0){
 988                     scale = targetHeight / height;
 989                 }
 990
 991                 if(x > 0 && y > 0){
 992                     scale = targetWidth / width;
 993
 994                     if(width < height){
 995                         scale = targetHeight / height;
 996                     }
 997                 }
 998
 999                 context.scale(scale, scale);
1000
1001                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1002                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1003
1004                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1005                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1006
1007                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1008                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1009
1010                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1011
1012                 break;
1013             case 270 :
1014
1015                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1016                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1017
1018                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1019                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1020
1021                 var targetWidth = this.minWidth - 2 * x;
1022                 var targetHeight = this.minHeight - 2 * y;
1023
1024                 var scale = 1;
1025
1026                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1027                     scale = targetWidth / width;
1028                 }
1029
1030                 if(x > 0 && y == 0){
1031                     scale = targetHeight / height;
1032                 }
1033
1034                 if(x > 0 && y > 0){
1035                     scale = targetWidth / width;
1036
1037                     if(width < height){
1038                         scale = targetHeight / height;
1039                     }
1040                 }
1041
1042                 context.scale(scale, scale);
1043                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1044                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1045
1046                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1047                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1048
1049                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1050
1051                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1052
1053                 break;
1054             default :
1055                 break;
1056         }
1057
1058         this.cropData = canvas.toDataURL(this.cropType);
1059
1060         console.log("cropData");
1061         console.log(this.cropData);
1062
1063         if(this.fireEvent('crop', this, this.cropData) !== false){
1064             this.process(this.file, this.cropData);
1065         }
1066
1067         return;
1068
1069     },
1070
1071     setThumbBoxSize : function()
1072     {
1073         var width, height;
1074
1075         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1076             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1077             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1078
1079             this.minWidth = width;
1080             this.minHeight = height;
1081
1082             if(this.rotate == 90 || this.rotate == 270){
1083                 this.minWidth = height;
1084                 this.minHeight = width;
1085             }
1086         }
1087
1088         height = 300;
1089         width = Math.ceil(this.minWidth * height / this.minHeight);
1090
1091         if(this.minWidth > this.minHeight){
1092             width = 300;
1093             height = Math.ceil(this.minHeight * width / this.minWidth);
1094         }
1095
1096         this.thumbEl.setStyle({
1097             width : width + 'px',
1098             height : height + 'px'
1099         });
1100
1101         return;
1102
1103     },
1104
1105     setThumbBoxPosition : function()
1106     {
1107         console.log("SET THUMBBOX POSITION");
1108         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1109         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1110
1111         this.thumbEl.setLeft(x);
1112         this.thumbEl.setTop(y);
1113
1114     },
1115
1116     baseRotateLevel : function()
1117     {
1118         console.log("BASE ROTATE LEVEL");
1119         this.baseRotate = 1;
1120
1121         if(
1122                 typeof(this.exif) != 'undefined' &&
1123                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1124                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1125         ){
1126             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1127         }
1128
1129         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1130
1131     },
1132
1133     baseScaleLevel : function()
1134     {
1135         console.log("BASE SCALE LEVEL");
1136         var width, height;
1137
1138         if(this.isDocument){
1139
1140             if(this.baseRotate == 6 || this.baseRotate == 8){
1141
1142                 height = this.thumbEl.getHeight();
1143                 this.baseScale = height / this.imageEl.OriginWidth;
1144
1145                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1146                     width = this.thumbEl.getWidth();
1147                     this.baseScale = width / this.imageEl.OriginHeight;
1148                 }
1149
1150                 return;
1151             }
1152
1153             height = this.thumbEl.getHeight();
1154             this.baseScale = height / this.imageEl.OriginHeight;
1155
1156             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1157                 width = this.thumbEl.getWidth();
1158                 this.baseScale = width / this.imageEl.OriginWidth;
1159             }
1160
1161             return;
1162         }
1163
1164         if(this.baseRotate == 6 || this.baseRotate == 8){
1165
1166             width = this.thumbEl.getHeight();
1167             this.baseScale = width / this.imageEl.OriginHeight;
1168
1169             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1170                 height = this.thumbEl.getWidth();
1171                 this.baseScale = height / this.imageEl.OriginHeight;
1172             }
1173
1174             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1175                 height = this.thumbEl.getWidth();
1176                 this.baseScale = height / this.imageEl.OriginHeight;
1177
1178                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1179                     width = this.thumbEl.getHeight();
1180                     this.baseScale = width / this.imageEl.OriginWidth;
1181                 }
1182             }
1183
1184             return;
1185         }
1186
1187         width = this.thumbEl.getWidth();
1188         this.baseScale = width / this.imageEl.OriginWidth;
1189
1190         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1191             height = this.thumbEl.getHeight();
1192             this.baseScale = height / this.imageEl.OriginHeight;
1193         }
1194
1195         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1196
1197             height = this.thumbEl.getHeight();
1198             this.baseScale = height / this.imageEl.OriginHeight;
1199
1200             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1201                 width = this.thumbEl.getWidth();
1202                 this.baseScale = width / this.imageEl.OriginWidth;
1203             }
1204
1205         }
1206
1207         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1208             this.baseScale = width / this.minWidth;
1209         }
1210         console.log(this.baseScale);
1211         return;
1212     },
1213
1214     getScaleLevel : function()
1215     {
1216         return this.baseScale * Math.pow(1.02, this.scale);
1217     },
1218
1219     onTouchStart : function(e)
1220     {
1221         if(!this.canvasLoaded){
1222             this.beforeSelectFile(e);
1223             return;
1224         }
1225
1226         var touches = e.browserEvent.touches;
1227
1228         if(!touches){
1229             return;
1230         }
1231
1232         if(touches.length == 1){
1233             this.onMouseDown(e);
1234             return;
1235         }
1236
1237         if(touches.length != 2){
1238             return;
1239         }
1240
1241         var coords = [];
1242
1243         for(var i = 0, finger; finger = touches[i]; i++){
1244             coords.push(finger.pageX, finger.pageY);
1245         }
1246
1247         var x = Math.pow(coords[0] - coords[2], 2);
1248         var y = Math.pow(coords[1] - coords[3], 2);
1249
1250         this.startDistance = Math.sqrt(x + y);
1251
1252         this.startScale = this.scale;
1253
1254         this.pinching = true;
1255         this.dragable = false;
1256
1257     },
1258
1259     onTouchMove : function(e)
1260     {
1261         if(!this.pinching && !this.dragable){
1262             return;
1263         }
1264
1265         var touches = e.browserEvent.touches;
1266
1267         if(!touches){
1268             return;
1269         }
1270
1271         if(this.dragable){
1272             this.onMouseMove(e);
1273             return;
1274         }
1275
1276         var coords = [];
1277
1278         for(var i = 0, finger; finger = touches[i]; i++){
1279             coords.push(finger.pageX, finger.pageY);
1280         }
1281
1282         var x = Math.pow(coords[0] - coords[2], 2);
1283         var y = Math.pow(coords[1] - coords[3], 2);
1284
1285         this.endDistance = Math.sqrt(x + y);
1286
1287         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1288
1289         if(!this.zoomable()){
1290             this.scale = this.startScale;
1291             return;
1292         }
1293
1294         this.draw();
1295
1296     },
1297
1298     onTouchEnd : function(e)
1299     {
1300         this.pinching = false;
1301         this.dragable = false;
1302
1303     },
1304
1305     process : function(file, crop)
1306     {
1307         console.log(process);
1308         if(this.loadMask){
1309             this.maskEl.mask(this.loadingText);
1310         }
1311
1312         this.xhr = new XMLHttpRequest();
1313
1314         file.xhr = this.xhr;
1315
1316         console.log("METHOD:" + this.method);
1317         console.log("URL: " + this.url);
1318         this.xhr.open(this.method, this.url, true);
1319
1320         var headers = {
1321             "Accept": "application/json",
1322             "Cache-Control": "no-cache",
1323             "X-Requested-With": "XMLHttpRequest"
1324         };
1325
1326         for (var headerName in headers) {
1327             var headerValue = headers[headerName];
1328             if (headerValue) {
1329                 this.xhr.setRequestHeader(headerName, headerValue);
1330             }
1331         }
1332
1333         var _this = this;
1334
1335         this.xhr.onload = function()
1336         {
1337             _this.xhrOnLoad(_this.xhr);
1338         }
1339
1340         this.xhr.onerror = function()
1341         {
1342             _this.xhrOnError(_this.xhr);
1343         }
1344
1345         var formData = new FormData();
1346
1347         formData.append('returnHTML', 'NO');
1348
1349         if(crop){
1350             formData.append('crop', crop);
1351         }
1352
1353         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1354             formData.append(this.paramName, file, file.name);
1355         }
1356
1357         if(typeof(file.filename) != 'undefined'){
1358             formData.append('filename', file.filename);
1359         }
1360
1361         if(typeof(file.mimetype) != 'undefined'){
1362             formData.append('mimetype', file.mimetype);
1363         }
1364
1365         if(this.fireEvent('arrange', this, formData) != false){
1366             this.xhr.send(formData);
1367         };
1368     },
1369
1370     xhrOnLoad : function(xhr)
1371     {
1372         if(this.loadMask){
1373             this.maskEl.unmask();
1374         }
1375
1376         if (xhr.readyState !== 4) {
1377             this.fireEvent('exception', this, xhr);
1378             return;
1379         }
1380
1381         var response = Roo.decode(xhr.responseText);
1382
1383         if(!response.success){
1384             this.fireEvent('exception', this, xhr);
1385             return;
1386         }
1387
1388         var response = Roo.decode(xhr.responseText);
1389
1390         this.fireEvent('upload', this, response);
1391
1392     },
1393
1394     xhrOnError : function()
1395     {
1396         if(this.loadMask){
1397             this.maskEl.unmask();
1398         }
1399
1400         Roo.log('xhr on error');
1401
1402         var response = Roo.decode(xhr.responseText);
1403
1404         Roo.log(response);
1405
1406     },
1407
1408     prepare : function(file)
1409     {
1410         console.log("PREPARE");
1411         console.log(file);
1412         if(this.loadMask){
1413             this.maskEl.mask(this.loadingText);
1414         }
1415
1416         this.file = false;
1417         this.exif = {};
1418
1419         if(typeof(file) === 'string'){
1420             this.loadCanvas(file);
1421             return;
1422         }
1423
1424         if(!file || !this.urlAPI){
1425             return;
1426         }
1427
1428         this.file = file;
1429         this.cropType = file.type;
1430
1431         var _this = this;
1432
1433         if(this.fireEvent('prepare', this, this.file) != false){
1434
1435             var reader = new FileReader();
1436
1437             reader.onload = function (e) {
1438                 if (e.target.error) {
1439                     Roo.log(e.target.error);
1440                     return;
1441                 }
1442
1443                 var buffer = e.target.result,
1444                     dataView = new DataView(buffer),
1445                     offset = 2,
1446                     maxOffset = dataView.byteLength - 4,
1447                     markerBytes,
1448                     markerLength;
1449
1450                 if (dataView.getUint16(0) === 0xffd8) {
1451                     while (offset < maxOffset) {
1452                         markerBytes = dataView.getUint16(offset);
1453
1454                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1455                             markerLength = dataView.getUint16(offset + 2) + 2;
1456                             if (offset + markerLength > dataView.byteLength) {
1457                                 Roo.log('Invalid meta data: Invalid segment size.');
1458                                 break;
1459                             }
1460
1461                             if(markerBytes == 0xffe1){
1462                                 _this.parseExifData(
1463                                     dataView,
1464                                     offset,
1465                                     markerLength
1466                                 );
1467                             }
1468
1469                             offset += markerLength;
1470
1471                             continue;
1472                         }
1473
1474                         break;
1475                     }
1476
1477                 }
1478
1479                 var url = _this.urlAPI.createObjectURL(_this.file);
1480
1481                 _this.loadCanvas(url);
1482
1483                 return;
1484             }
1485
1486             reader.readAsArrayBuffer(this.file);
1487
1488         }
1489
1490     },
1491
1492     parseExifData : function(dataView, offset, length)
1493     {
1494         var tiffOffset = offset + 10,
1495             littleEndian,
1496             dirOffset;
1497
1498         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1499             // No Exif data, might be XMP data instead
1500             return;
1501         }
1502
1503         // Check for the ASCII code for "Exif" (0x45786966):
1504         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1505             // No Exif data, might be XMP data instead
1506             return;
1507         }
1508         if (tiffOffset + 8 > dataView.byteLength) {
1509             Roo.log('Invalid Exif data: Invalid segment size.');
1510             return;
1511         }
1512         // Check for the two null bytes:
1513         if (dataView.getUint16(offset + 8) !== 0x0000) {
1514             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1515             return;
1516         }
1517         // Check the byte alignment:
1518         switch (dataView.getUint16(tiffOffset)) {
1519         case 0x4949:
1520             littleEndian = true;
1521             break;
1522         case 0x4D4D:
1523             littleEndian = false;
1524             break;
1525         default:
1526             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1527             return;
1528         }
1529         // Check for the TIFF tag marker (0x002A):
1530         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1531             Roo.log('Invalid Exif data: Missing TIFF marker.');
1532             return;
1533         }
1534         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1535         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1536
1537         this.parseExifTags(
1538             dataView,
1539             tiffOffset,
1540             tiffOffset + dirOffset,
1541             littleEndian
1542         );
1543     },
1544
1545     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1546     {
1547         var tagsNumber,
1548             dirEndOffset,
1549             i;
1550         if (dirOffset + 6 > dataView.byteLength) {
1551             Roo.log('Invalid Exif data: Invalid directory offset.');
1552             return;
1553         }
1554         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1555         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1556         if (dirEndOffset + 4 > dataView.byteLength) {
1557             Roo.log('Invalid Exif data: Invalid directory size.');
1558             return;
1559         }
1560         for (i = 0; i < tagsNumber; i += 1) {
1561             this.parseExifTag(
1562                 dataView,
1563                 tiffOffset,
1564                 dirOffset + 2 + 12 * i, // tag offset
1565                 littleEndian
1566             );
1567         }
1568         // Return the offset to the next directory:
1569         return dataView.getUint32(dirEndOffset, littleEndian);
1570     },
1571
1572     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1573     {
1574         var tag = dataView.getUint16(offset, littleEndian);
1575
1576         this.exif[tag] = this.getExifValue(
1577             dataView,
1578             tiffOffset,
1579             offset,
1580             dataView.getUint16(offset + 2, littleEndian), // tag type
1581             dataView.getUint32(offset + 4, littleEndian), // tag length
1582             littleEndian
1583         );
1584     },
1585
1586     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1587     {
1588         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1589             tagSize,
1590             dataOffset,
1591             values,
1592             i,
1593             str,
1594             c;
1595
1596         if (!tagType) {
1597             Roo.log('Invalid Exif data: Invalid tag type.');
1598             return;
1599         }
1600
1601         tagSize = tagType.size * length;
1602         // Determine if the value is contained in the dataOffset bytes,
1603         // or if the value at the dataOffset is a pointer to the actual data:
1604         dataOffset = tagSize > 4 ?
1605                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1606         if (dataOffset + tagSize > dataView.byteLength) {
1607             Roo.log('Invalid Exif data: Invalid data offset.');
1608             return;
1609         }
1610         if (length === 1) {
1611             return tagType.getValue(dataView, dataOffset, littleEndian);
1612         }
1613         values = [];
1614         for (i = 0; i < length; i += 1) {
1615             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1616         }
1617
1618         if (tagType.ascii) {
1619             str = '';
1620             // Concatenate the chars:
1621             for (i = 0; i < values.length; i += 1) {
1622                 c = values[i];
1623                 // Ignore the terminating NULL byte(s):
1624                 if (c === '\u0000') {
1625                     break;
1626                 }
1627                 str += c;
1628             }
1629             return str;
1630         }
1631         return values;
1632     }
1633
1634 });
1635
1636 Roo.apply(Roo.dialog.UploadCropbox, {
1637     tags : {
1638         'Orientation': 0x0112
1639     },
1640
1641     Orientation: {
1642             1: 0, //'top-left',
1643 //            2: 'top-right',
1644             3: 180, //'bottom-right',
1645 //            4: 'bottom-left',
1646 //            5: 'left-top',
1647             6: 90, //'right-top',
1648 //            7: 'right-bottom',
1649             8: 270 //'left-bottom'
1650     },
1651
1652     exifTagTypes : {
1653         // byte, 8-bit unsigned int:
1654         1: {
1655             getValue: function (dataView, dataOffset) {
1656                 return dataView.getUint8(dataOffset);
1657             },
1658             size: 1
1659         },
1660         // ascii, 8-bit byte:
1661         2: {
1662             getValue: function (dataView, dataOffset) {
1663                 return String.fromCharCode(dataView.getUint8(dataOffset));
1664             },
1665             size: 1,
1666             ascii: true
1667         },
1668         // short, 16 bit int:
1669         3: {
1670             getValue: function (dataView, dataOffset, littleEndian) {
1671                 return dataView.getUint16(dataOffset, littleEndian);
1672             },
1673             size: 2
1674         },
1675         // long, 32 bit int:
1676         4: {
1677             getValue: function (dataView, dataOffset, littleEndian) {
1678                 return dataView.getUint32(dataOffset, littleEndian);
1679             },
1680             size: 4
1681         },
1682         // rational = two long values, first is numerator, second is denominator:
1683         5: {
1684             getValue: function (dataView, dataOffset, littleEndian) {
1685                 return dataView.getUint32(dataOffset, littleEndian) /
1686                     dataView.getUint32(dataOffset + 4, littleEndian);
1687             },
1688             size: 8
1689         },
1690         // slong, 32 bit signed int:
1691         9: {
1692             getValue: function (dataView, dataOffset, littleEndian) {
1693                 return dataView.getInt32(dataOffset, littleEndian);
1694             },
1695             size: 4
1696         },
1697         // srational, two slongs, first is numerator, second is denominator:
1698         10: {
1699             getValue: function (dataView, dataOffset, littleEndian) {
1700                 return dataView.getInt32(dataOffset, littleEndian) /
1701                     dataView.getInt32(dataOffset + 4, littleEndian);
1702             },
1703             size: 8
1704         }
1705     },
1706
1707     footer : {
1708         STANDARD : [
1709             {
1710                 tag : 'div',
1711                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1712                 action : 'rotate-left',
1713                 cn : [
1714                     {
1715                         tag : 'button',
1716                         cls : 'btn btn-default',
1717                         html : '<i class="fa fa-undo"></i>'
1718                     }
1719                 ]
1720             },
1721             {
1722                 tag : 'div',
1723                 cls : 'btn-group roo-upload-cropbox-picture',
1724                 action : 'picture',
1725                 cn : [
1726                     {
1727                         tag : 'button',
1728                         cls : 'btn btn-default',
1729                         html : '<i class="fa fa-picture-o"></i>'
1730                     }
1731                 ]
1732             },
1733             {
1734                 tag : 'div',
1735                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1736                 action : 'rotate-right',
1737                 cn : [
1738                     {
1739                         tag : 'button',
1740                         cls : 'btn btn-default',
1741                         html : '<i class="fa fa-repeat"></i>'
1742                     }
1743                 ]
1744             }
1745         ],
1746         DOCUMENT : [
1747             {
1748                 tag : 'div',
1749                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1750                 action : 'rotate-left',
1751                 cn : [
1752                     {
1753                         tag : 'button',
1754                         cls : 'btn btn-default',
1755                         html : '<i class="fa fa-undo"></i>'
1756                     }
1757                 ]
1758             },
1759             {
1760                 tag : 'div',
1761                 cls : 'btn-group roo-upload-cropbox-download',
1762                 action : 'download',
1763                 cn : [
1764                     {
1765                         tag : 'button',
1766                         cls : 'btn btn-default',
1767                         html : '<i class="fa fa-download"></i>'
1768                     }
1769                 ]
1770             },
1771             {
1772                 tag : 'div',
1773                 cls : 'btn-group roo-upload-cropbox-crop',
1774                 action : 'crop',
1775                 cn : [
1776                     {
1777                         tag : 'button',
1778                         cls : 'btn btn-default',
1779                         html : '<i class="fa fa-crop"></i>'
1780                     }
1781                 ]
1782             },
1783             {
1784                 tag : 'div',
1785                 cls : 'btn-group roo-upload-cropbox-trash',
1786                 action : 'trash',
1787                 cn : [
1788                     {
1789                         tag : 'button',
1790                         cls : 'btn btn-default',
1791                         html : '<i class="fa fa-trash"></i>'
1792                     }
1793                 ]
1794             },
1795             {
1796                 tag : 'div',
1797                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1798                 action : 'rotate-right',
1799                 cn : [
1800                     {
1801                         tag : 'button',
1802                         cls : 'btn btn-default',
1803                         html : '<i class="fa fa-repeat"></i>'
1804                     }
1805                 ]
1806             }
1807         ],
1808         ROTATOR : [
1809             {
1810                 tag : 'div',
1811                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1812                 action : 'rotate-left',
1813                 cn : [
1814                     {
1815                         tag : 'button',
1816                         cls : 'btn btn-default',
1817                         html : '<i class="fa fa-undo"></i>'
1818                     }
1819                 ]
1820             },
1821             {
1822                 tag : 'div',
1823                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1824                 action : 'rotate-right',
1825                 cn : [
1826                     {
1827                         tag : 'button',
1828                         cls : 'btn btn-default',
1829                         html : '<i class="fa fa-repeat"></i>'
1830                     }
1831                 ]
1832             }
1833         ]
1834     }
1835 });