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