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         e.preventDefault();
 391
 392         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 393             return;
 394         }
 395
 396         var file = this.selectorEl.dom.files[0];
 397
 398         if(this.fireEvent('inspect', this, file) != false){
 399             this.prepare(file);
 400         }
 401
 402     },
 403
 404     trash : function(e)
 405     {
 406         this.fireEvent('trash', this);
 407     },
 408
 409     download : function(e)
 410     {
 411         this.fireEvent('download', this);
 412     },
 413
 414     loadCanvas : function(src)
 415     {
 416         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 417
 418             this.reset();
 419
 420             this.imageEl = document.createElement('img');
 421
 422             var _this = this;
 423
 424             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 425
 426             this.imageEl.src = src;
 427         }
 428     },
 429
 430     onLoadCanvas : function()
 431     {
 432         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 433         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 434
 435         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 436
 437             this.bodyEl.un('click', this.beforeSelectFile, this);
 438
 439             this.notifyEl.hide();
 440             this.thumbEl.show();
 441             this.footerEl.show();
 442
 443             this.baseRotateLevel();
 444
 445             if(this.isDocument){
 446                 this.setThumbBoxSize();
 447             }
 448
 449             this.setThumbBoxPosition();
 450
 451             this.baseScaleLevel();
 452
 453             this.draw();
 454
 455             this.resize();
 456
 457             this.canvasLoaded = true;
 458
 459         }
 460
 461         if(this.loadMask){
 462             this.maskEl.unmask();
 463         }
 464
 465     },
 466
 467     setCanvasPosition : function()
 468     {
 469         if(!this.canvasEl){
 470             return;
 471         }
 472
 473         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 474         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 475
 476         this.previewEl.setLeft(pw);
 477         this.previewEl.setTop(ph);
 478
 479     },
 480
 481     onMouseDown : function(e)
 482     {
 483         e.stopEvent();
 484
 485         this.dragable = true;
 486         this.pinching = false;
 487
 488         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 489             this.dragable = false;
 490             return;
 491         }
 492
 493         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 494         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 495
 496     },
 497
 498     onMouseMove : function(e)
 499     {
 500         e.stopEvent();
 501
 502         if(!this.canvasLoaded){
 503             return;
 504         }
 505
 506         if (!this.dragable){
 507             return;
 508         }
 509
 510         var minX = Math.ceil(this.thumbEl.getLeft(true));
 511         var minY = Math.ceil(this.thumbEl.getTop(true));
 512
 513         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 514         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 515
 516         if(minX > maxX) {
 517             var tempX = minX;
 518             minX = maxX;
 519             maxX = tempX;
 520         }
 521
 522         if(minY > maxY) {
 523             var tempY = minY;
 524             minY = maxY;
 525             maxY = tempY;
 526         }
 527
 528         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 529         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 530
 531         x = x - this.mouseX;
 532         y = y - this.mouseY;
 533
 534         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 535         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 536
 537         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 538         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 539
 540         this.previewEl.setLeft(bgX);
 541         this.previewEl.setTop(bgY);
 542
 543         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 544         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 545     },
 546
 547     onMouseUp : function(e)
 548     {
 549         e.stopEvent();
 550
 551         this.dragable = false;
 552     },
 553
 554     onMouseWheel : function(e)
 555     {
 556         e.stopEvent();
 557
 558         this.startScale = this.scale;
 559         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 560
 561         if(!this.zoomable()){
 562             this.scale = this.startScale;
 563             return;
 564         }
 565
 566
 567         this.draw();
 568
 569         return;
 570     },
 571
 572     zoomable : function()
 573     {
 574         var minScale = this.thumbEl.getWidth() / this.minWidth;
 575
 576         if(this.minWidth < this.minHeight){
 577             minScale = this.thumbEl.getHeight() / this.minHeight;
 578         }
 579
 580         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 581         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 582
 583
 584         var maxWidth = this.imageEl.OriginWidth;
 585         var maxHeight = this.imageEl.OriginHeight;
 586
 587         if(
 588                 this.isDocument &&
 589                 (this.rotate == 0 || this.rotate == 180) &&
 590                 (
 591                     width > this.imageEl.OriginWidth ||
 592                     height > this.imageEl.OriginHeight ||
 593                     (width < this.minWidth && height < this.minHeight)
 594                 )
 595         ){
 596             return false;
 597         }
 598
 599         if(
 600                 this.isDocument &&
 601                 (this.rotate == 90 || this.rotate == 270) &&
 602                 (
 603                     width > this.imageEl.OriginWidth ||
 604                     height > this.imageEl.OriginHeight ||
 605                     (width < this.minHeight && height < this.minWidth)
 606                 )
 607         ){
 608             return false;
 609         }
 610
 611         if(
 612                 !this.isDocument &&
 613                 (this.rotate == 0 || this.rotate == 180) &&
 614                 (
 615                     (this.imageEl.OriginWidth >= this.minWidth) && width < this.minWidth ||
 616                     (this.imageEl.OriginHeight >= this.minHeight) && height < this.minHeight ||
 617                     width > maxWidth ||
 618                     height > maxHeight
 619                 )
 620         ){
 621             return false;
 622         }
 623
 624         if(
 625                 !this.isDocument &&
 626                 (this.rotate == 90 || this.rotate == 270) &&
 627                 (
 628                     width < this.minHeight ||
 629                     width > this.imageEl.OriginWidth ||
 630                     height < this.minWidth ||
 631                     height > this.imageEl.OriginHeight
 632                 )
 633         ){
 634             return false;
 635         }
 636
 637         return true;
 638
 639     },
 640
 641     onRotateLeft : function(e)
 642     {
 643         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 644
 645             var minScale = this.thumbEl.getWidth() / this.minWidth;
 646
 647             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 648             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 649
 650             this.startScale = this.scale;
 651
 652             while (this.getScaleLevel() < minScale){
 653
 654                 this.scale = this.scale + 1;
 655
 656                 if(!this.zoomable()){
 657                     break;
 658                 }
 659
 660                 if(
 661                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 662                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 663                 ){
 664                     continue;
 665                 }
 666
 667                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 668
 669                 this.draw();
 670
 671                 return;
 672             }
 673
 674             this.scale = this.startScale;
 675
 676             this.onRotateFail();
 677
 678             return false;
 679         }
 680
 681         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 682
 683         if(this.isDocument){
 684             this.setThumbBoxSize();
 685             this.setThumbBoxPosition();
 686             this.setCanvasPosition();
 687         }
 688
 689         this.draw();
 690
 691         this.fireEvent('rotate', this, 'left');
 692
 693     },
 694
 695     onRotateRight : function(e)
 696     {
 697         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 698
 699             var minScale = this.thumbEl.getWidth() / this.minWidth;
 700
 701             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 702             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 703
 704             this.startScale = this.scale;
 705
 706             while (this.getScaleLevel() < minScale){
 707
 708                 this.scale = this.scale + 1;
 709
 710                 if(!this.zoomable()){
 711                     break;
 712                 }
 713
 714                 if(
 715                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 716                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 717                 ){
 718                     continue;
 719                 }
 720
 721                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 722
 723                 this.draw();
 724
 725                 return;
 726             }
 727
 728             this.scale = this.startScale;
 729
 730             this.onRotateFail();
 731
 732             return false;
 733         }
 734
 735         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 736
 737         if(this.isDocument){
 738             this.setThumbBoxSize();
 739             this.setThumbBoxPosition();
 740             this.setCanvasPosition();
 741         }
 742
 743         this.draw();
 744
 745         this.fireEvent('rotate', this, 'right');
 746     },
 747
 748     onRotateFail : function()
 749     {
 750         this.errorEl.show(true);
 751
 752         var _this = this;
 753
 754         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 755     },
 756
 757     draw : function()
 758     {
 759         console.log("DRAW");
 760         this.previewEl.dom.innerHTML = '';
 761
 762         var canvasEl = document.createElement("canvas");
 763
 764         var contextEl = canvasEl.getContext("2d");
 765
 766         console.log(this.getScaleLevel());
 767
 768         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 769         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 770         var center = this.imageEl.OriginWidth / 2;
 771
 772         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 773             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 774             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 775             center = this.imageEl.OriginHeight / 2;
 776         }
 777
 778         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 779
 780         contextEl.translate(center, center);
 781         contextEl.rotate(this.rotate * Math.PI / 180);
 782
 783         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 784
 785         this.canvasEl = document.createElement("canvas");
 786
 787         this.contextEl = this.canvasEl.getContext("2d");
 788
 789         switch (this.rotate) {
 790             case 0 :
 791
 792                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 793                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 794
 795                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 796
 797                 break;
 798             case 90 :
 799
 800                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 801                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 802
 803                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 804                     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);
 805                     break;
 806                 }
 807
 808                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 809
 810                 break;
 811             case 180 :
 812
 813                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 814                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 815
 816                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 817                     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);
 818                     break;
 819                 }
 820
 821                 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);
 822
 823                 break;
 824             case 270 :
 825
 826                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 827                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 828
 829                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 830                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 831                     break;
 832                 }
 833
 834                 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);
 835
 836                 break;
 837             default :
 838                 break;
 839         }
 840
 841         this.previewEl.appendChild(this.canvasEl);
 842
 843         this.setCanvasPosition();
 844     },
 845
 846     crop : function()
 847     {
 848         console.log("CROP");
 849         if(!this.canvasLoaded){
 850             return;
 851         }
 852
 853         var imageCanvas = document.createElement("canvas");
 854
 855         var imageContext = imageCanvas.getContext("2d");
 856
 857         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 858         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 859
 860         console.log("IMAGECANVAS WIDTH: " + imageCanvas.width);
 861         console.log("IMAGECANVAS HEIGHT: " + imageCanvas.height);
 862
 863         var center = imageCanvas.width / 2;
 864
 865         imageContext.translate(center, center);
 866
 867         imageContext.rotate(this.rotate * Math.PI / 180);
 868
 869         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 870
 871         var canvas = document.createElement("canvas");
 872
 873         var context = canvas.getContext("2d");
 874
 875         canvas.width = this.minWidth;
 876
 877         canvas.height = this.minHeight;
 878
 879         console.log("CANVAS WIDTH: " + canvas.width);
 880         console.log("CANVAS HEIGHT: " + canvas.height);
 881
 882         switch (this.rotate) {
 883             case 0 :
 884
 885                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 886                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 887
 888                 console.log("WIDTH: " + width);
 889                 console.log("HEIGHT: " + height);
 890
 891                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 892                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 893
 894                 console.log("X: " + x);
 895                 console.log("Y: " + y);
 896
 897                 var targetWidth = this.minWidth - 2 * x;
 898                 var targetHeight = this.minHeight - 2 * y;
 899
 900                 console.log("targetWidth: " + targetWidth);
 901                 console.log("targetHeight: " + targetHeight);
 902
 903                 var scale = 1;
 904
 905                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 906                     scale = targetWidth / width;
 907                 }
 908
 909                 if(x > 0 && y == 0){
 910                     scale = targetHeight / height;
 911                 }
 912
 913                 if(x > 0 && y > 0){
 914                     scale = targetWidth / width;
 915
 916                     if(width < height){
 917                         scale = targetHeight / height;
 918                     }
 919                 }
 920
 921                 console.log("scale: " + scale);
 922
 923                 context.scale(scale, scale);
 924
 925                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 926                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 927
 928                 console.log("sx: " + sx);
 929                 console.log("sy: " + sy);
 930
 931                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 932                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 933
 934                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 935
 936                 break;
 937             case 90 :
 938
 939                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 940                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 941
 942                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 943                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 944
 945                 var targetWidth = this.minWidth - 2 * x;
 946                 var targetHeight = this.minHeight - 2 * y;
 947
 948                 var scale = 1;
 949
 950                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 951                     scale = targetWidth / width;
 952                 }
 953
 954                 if(x > 0 && y == 0){
 955                     scale = targetHeight / height;
 956                 }
 957
 958                 if(x > 0 && y > 0){
 959                     scale = targetWidth / width;
 960
 961                     if(width < height){
 962                         scale = targetHeight / height;
 963                     }
 964                 }
 965
 966                 context.scale(scale, scale);
 967
 968                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 969                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 970
 971                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 972                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 973
 974                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 975
 976                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 977
 978                 break;
 979             case 180 :
 980
 981                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 982                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 983
 984                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 985                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 986
 987                 var targetWidth = this.minWidth - 2 * x;
 988                 var targetHeight = this.minHeight - 2 * y;
 989
 990                 var scale = 1;
 991
 992                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 993                     scale = targetWidth / width;
 994                 }
 995
 996                 if(x > 0 && y == 0){
 997                     scale = targetHeight / height;
 998                 }
 999
1000                 if(x > 0 && y > 0){
1001                     scale = targetWidth / width;
1002
1003                     if(width < height){
1004                         scale = targetHeight / height;
1005                     }
1006                 }
1007
1008                 context.scale(scale, scale);
1009
1010                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1011                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1012
1013                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1014                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1015
1016                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1017                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1018
1019                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1020
1021                 break;
1022             case 270 :
1023
1024                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1025                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1026
1027                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1028                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1029
1030                 var targetWidth = this.minWidth - 2 * x;
1031                 var targetHeight = this.minHeight - 2 * y;
1032
1033                 var scale = 1;
1034
1035                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1036                     scale = targetWidth / width;
1037                 }
1038
1039                 if(x > 0 && y == 0){
1040                     scale = targetHeight / height;
1041                 }
1042
1043                 if(x > 0 && y > 0){
1044                     scale = targetWidth / width;
1045
1046                     if(width < height){
1047                         scale = targetHeight / height;
1048                     }
1049                 }
1050
1051                 context.scale(scale, scale);
1052                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1053                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1054
1055                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1056                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1057
1058                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1059
1060                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1061
1062                 break;
1063             default :
1064                 break;
1065         }
1066
1067         this.cropData = canvas.toDataURL(this.cropType);
1068
1069         if(this.fireEvent('crop', this, this.cropData) !== false){
1070             this.process(this.file, this.cropData);
1071         }
1072
1073         return;
1074
1075     },
1076
1077     setThumbBoxSize : function()
1078     {
1079         var width, height;
1080
1081         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1082             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1083             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1084
1085             this.minWidth = width;
1086             this.minHeight = height;
1087
1088             if(this.rotate == 90 || this.rotate == 270){
1089                 this.minWidth = height;
1090                 this.minHeight = width;
1091             }
1092         }
1093
1094         height = 300;
1095         width = Math.ceil(this.minWidth * height / this.minHeight);
1096
1097         if(this.minWidth > this.minHeight){
1098             width = 300;
1099             height = Math.ceil(this.minHeight * width / this.minWidth);
1100         }
1101
1102         this.thumbEl.setStyle({
1103             width : width + 'px',
1104             height : height + 'px'
1105         });
1106
1107         return;
1108
1109     },
1110
1111     setThumbBoxPosition : function()
1112     {
1113         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1114         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1115
1116         this.thumbEl.setLeft(x);
1117         this.thumbEl.setTop(y);
1118
1119     },
1120
1121     baseRotateLevel : function()
1122     {
1123         this.baseRotate = 1;
1124
1125         if(
1126                 typeof(this.exif) != 'undefined' &&
1127                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1128                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1129         ){
1130             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1131         }
1132
1133         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1134
1135     },
1136
1137     baseScaleLevel : function()
1138     {
1139         console.log("BASE SCALE LEVEL");
1140         var width, height;
1141
1142         if(this.isDocument){
1143
1144             if(this.baseRotate == 6 || this.baseRotate == 8){
1145
1146                 height = this.thumbEl.getHeight();
1147                 this.baseScale = height / this.imageEl.OriginWidth;
1148
1149                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1150                     width = this.thumbEl.getWidth();
1151                     this.baseScale = width / this.imageEl.OriginHeight;
1152                 }
1153
1154                 return;
1155             }
1156
1157             height = this.thumbEl.getHeight();
1158             this.baseScale = height / this.imageEl.OriginHeight;
1159
1160             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1161                 width = this.thumbEl.getWidth();
1162                 this.baseScale = width / this.imageEl.OriginWidth;
1163             }
1164
1165             return;
1166         }
1167
1168         if(this.baseRotate == 6 || this.baseRotate == 8){
1169
1170             width = this.thumbEl.getHeight();
1171             this.baseScale = width / this.imageEl.OriginHeight;
1172
1173             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1174                 height = this.thumbEl.getWidth();
1175                 this.baseScale = height / this.imageEl.OriginHeight;
1176             }
1177
1178             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1179                 height = this.thumbEl.getWidth();
1180                 this.baseScale = height / this.imageEl.OriginHeight;
1181
1182                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1183                     width = this.thumbEl.getHeight();
1184                     this.baseScale = width / this.imageEl.OriginWidth;
1185                 }
1186             }
1187
1188             return;
1189         }
1190
1191         width = this.thumbEl.getWidth();
1192         this.baseScale = width / this.imageEl.OriginWidth;
1193
1194         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1195             height = this.thumbEl.getHeight();
1196             this.baseScale = height / this.imageEl.OriginHeight;
1197         }
1198
1199         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1200
1201             height = this.thumbEl.getHeight();
1202             this.baseScale = height / this.imageEl.OriginHeight;
1203
1204             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1205                 width = this.thumbEl.getWidth();
1206                 this.baseScale = width / this.imageEl.OriginWidth;
1207             }
1208
1209         }
1210
1211         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1212             this.baseScale = width / this.minWidth;
1213         }
1214         console.log(this.baseScale);
1215         return;
1216     },
1217
1218     getScaleLevel : function()
1219     {
1220         return this.baseScale * Math.pow(1.02, this.scale);
1221     },
1222
1223     onTouchStart : function(e)
1224     {
1225         if(!this.canvasLoaded){
1226             this.beforeSelectFile(e);
1227             return;
1228         }
1229
1230         var touches = e.browserEvent.touches;
1231
1232         if(!touches){
1233             return;
1234         }
1235
1236         if(touches.length == 1){
1237             this.onMouseDown(e);
1238             return;
1239         }
1240
1241         if(touches.length != 2){
1242             return;
1243         }
1244
1245         var coords = [];
1246
1247         for(var i = 0, finger; finger = touches[i]; i++){
1248             coords.push(finger.pageX, finger.pageY);
1249         }
1250
1251         var x = Math.pow(coords[0] - coords[2], 2);
1252         var y = Math.pow(coords[1] - coords[3], 2);
1253
1254         this.startDistance = Math.sqrt(x + y);
1255
1256         this.startScale = this.scale;
1257
1258         this.pinching = true;
1259         this.dragable = false;
1260
1261     },
1262
1263     onTouchMove : function(e)
1264     {
1265         if(!this.pinching && !this.dragable){
1266             return;
1267         }
1268
1269         var touches = e.browserEvent.touches;
1270
1271         if(!touches){
1272             return;
1273         }
1274
1275         if(this.dragable){
1276             this.onMouseMove(e);
1277             return;
1278         }
1279
1280         var coords = [];
1281
1282         for(var i = 0, finger; finger = touches[i]; i++){
1283             coords.push(finger.pageX, finger.pageY);
1284         }
1285
1286         var x = Math.pow(coords[0] - coords[2], 2);
1287         var y = Math.pow(coords[1] - coords[3], 2);
1288
1289         this.endDistance = Math.sqrt(x + y);
1290
1291         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1292
1293         if(!this.zoomable()){
1294             this.scale = this.startScale;
1295             return;
1296         }
1297
1298         this.draw();
1299
1300     },
1301
1302     onTouchEnd : function(e)
1303     {
1304         this.pinching = false;
1305         this.dragable = false;
1306
1307     },
1308
1309     process : function(file, crop)
1310     {
1311         if(this.loadMask){
1312             this.maskEl.mask(this.loadingText);
1313         }
1314
1315         this.xhr = new XMLHttpRequest();
1316
1317         file.xhr = this.xhr;
1318
1319         this.xhr.open(this.method, this.url, true);
1320
1321         var headers = {
1322             "Accept": "application/json",
1323             "Cache-Control": "no-cache",
1324             "X-Requested-With": "XMLHttpRequest"
1325         };
1326
1327         for (var headerName in headers) {
1328             var headerValue = headers[headerName];
1329             if (headerValue) {
1330                 this.xhr.setRequestHeader(headerName, headerValue);
1331             }
1332         }
1333
1334         var _this = this;
1335
1336         this.xhr.onload = function()
1337         {
1338             _this.xhrOnLoad(_this.xhr);
1339         }
1340
1341         this.xhr.onerror = function()
1342         {
1343             _this.xhrOnError(_this.xhr);
1344         }
1345
1346         var formData = new FormData();
1347
1348         formData.append("onid", "43024");
1349         formData.append("ontable", "pressrelease_boilerplate");
1350
1351         formData.append('returnHTML', 'NO');
1352
1353         if(crop){
1354             formData.append('crop', crop);
1355             var blobBin = atob(crop.split(',')[1]);
1356             var array = [];
1357             for(var i = 0; i < blobBin.length; i++) {
1358                 array.push(blobBin.charCodeAt(i));
1359             }
1360             var croppedFile =new Blob([new Uint8Array(array)], {type: 'image/png'});
1361             formData.append(this.paramName, croppedFile, file.name);
1362         }
1363
1364         if(typeof(file.filename) != 'undefined'){
1365             formData.append('filename', file.filename);
1366         }
1367
1368         if(typeof(file.mimetype) != 'undefined'){
1369             formData.append('mimetype', file.mimetype);
1370         }
1371
1372         if(this.fireEvent('arrange', this, formData) != false){
1373             this.xhr.send(formData);
1374         };
1375     },
1376
1377     xhrOnLoad : function(xhr)
1378     {
1379         if(this.loadMask){
1380             this.maskEl.unmask();
1381         }
1382
1383         if (xhr.readyState !== 4) {
1384             this.fireEvent('exception', this, xhr);
1385             return;
1386         }
1387
1388         var response = Roo.decode(xhr.responseText);
1389
1390         if(!response.success){
1391             this.fireEvent('exception', this, xhr);
1392             return;
1393         }
1394
1395         var response = Roo.decode(xhr.responseText);
1396
1397         this.fireEvent('upload', this, response);
1398
1399     },
1400
1401     xhrOnError : function()
1402     {
1403         if(this.loadMask){
1404             this.maskEl.unmask();
1405         }
1406
1407         Roo.log('xhr on error');
1408
1409         var response = Roo.decode(xhr.responseText);
1410
1411         Roo.log(response);
1412
1413     },
1414
1415     prepare : function(file)
1416     {
1417         if(this.loadMask){
1418             this.maskEl.mask(this.loadingText);
1419         }
1420
1421         this.file = false;
1422         this.exif = {};
1423
1424         if(typeof(file) === 'string'){
1425             this.loadCanvas(file);
1426             return;
1427         }
1428
1429         if(!file || !this.urlAPI){
1430             return;
1431         }
1432
1433         this.file = file;
1434         this.cropType = file.type;
1435
1436         var _this = this;
1437
1438         if(this.fireEvent('prepare', this, this.file) != false){
1439
1440             var reader = new FileReader();
1441
1442             reader.onload = function (e) {
1443                 if (e.target.error) {
1444                     Roo.log(e.target.error);
1445                     return;
1446                 }
1447
1448                 var buffer = e.target.result,
1449                     dataView = new DataView(buffer),
1450                     offset = 2,
1451                     maxOffset = dataView.byteLength - 4,
1452                     markerBytes,
1453                     markerLength;
1454
1455                 if (dataView.getUint16(0) === 0xffd8) {
1456                     while (offset < maxOffset) {
1457                         markerBytes = dataView.getUint16(offset);
1458
1459                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1460                             markerLength = dataView.getUint16(offset + 2) + 2;
1461                             if (offset + markerLength > dataView.byteLength) {
1462                                 Roo.log('Invalid meta data: Invalid segment size.');
1463                                 break;
1464                             }
1465
1466                             if(markerBytes == 0xffe1){
1467                                 _this.parseExifData(
1468                                     dataView,
1469                                     offset,
1470                                     markerLength
1471                                 );
1472                             }
1473
1474                             offset += markerLength;
1475
1476                             continue;
1477                         }
1478
1479                         break;
1480                     }
1481
1482                 }
1483
1484                 var url = _this.urlAPI.createObjectURL(_this.file);
1485
1486                 _this.loadCanvas(url);
1487
1488                 return;
1489             }
1490
1491             reader.readAsArrayBuffer(this.file);
1492
1493         }
1494
1495     },
1496
1497     parseExifData : function(dataView, offset, length)
1498     {
1499         var tiffOffset = offset + 10,
1500             littleEndian,
1501             dirOffset;
1502
1503         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1504             // No Exif data, might be XMP data instead
1505             return;
1506         }
1507
1508         // Check for the ASCII code for "Exif" (0x45786966):
1509         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1510             // No Exif data, might be XMP data instead
1511             return;
1512         }
1513         if (tiffOffset + 8 > dataView.byteLength) {
1514             Roo.log('Invalid Exif data: Invalid segment size.');
1515             return;
1516         }
1517         // Check for the two null bytes:
1518         if (dataView.getUint16(offset + 8) !== 0x0000) {
1519             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1520             return;
1521         }
1522         // Check the byte alignment:
1523         switch (dataView.getUint16(tiffOffset)) {
1524         case 0x4949:
1525             littleEndian = true;
1526             break;
1527         case 0x4D4D:
1528             littleEndian = false;
1529             break;
1530         default:
1531             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1532             return;
1533         }
1534         // Check for the TIFF tag marker (0x002A):
1535         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1536             Roo.log('Invalid Exif data: Missing TIFF marker.');
1537             return;
1538         }
1539         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1540         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1541
1542         this.parseExifTags(
1543             dataView,
1544             tiffOffset,
1545             tiffOffset + dirOffset,
1546             littleEndian
1547         );
1548     },
1549
1550     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1551     {
1552         var tagsNumber,
1553             dirEndOffset,
1554             i;
1555         if (dirOffset + 6 > dataView.byteLength) {
1556             Roo.log('Invalid Exif data: Invalid directory offset.');
1557             return;
1558         }
1559         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1560         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1561         if (dirEndOffset + 4 > dataView.byteLength) {
1562             Roo.log('Invalid Exif data: Invalid directory size.');
1563             return;
1564         }
1565         for (i = 0; i < tagsNumber; i += 1) {
1566             this.parseExifTag(
1567                 dataView,
1568                 tiffOffset,
1569                 dirOffset + 2 + 12 * i, // tag offset
1570                 littleEndian
1571             );
1572         }
1573         // Return the offset to the next directory:
1574         return dataView.getUint32(dirEndOffset, littleEndian);
1575     },
1576
1577     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1578     {
1579         var tag = dataView.getUint16(offset, littleEndian);
1580
1581         this.exif[tag] = this.getExifValue(
1582             dataView,
1583             tiffOffset,
1584             offset,
1585             dataView.getUint16(offset + 2, littleEndian), // tag type
1586             dataView.getUint32(offset + 4, littleEndian), // tag length
1587             littleEndian
1588         );
1589     },
1590
1591     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1592     {
1593         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1594             tagSize,
1595             dataOffset,
1596             values,
1597             i,
1598             str,
1599             c;
1600
1601         if (!tagType) {
1602             Roo.log('Invalid Exif data: Invalid tag type.');
1603             return;
1604         }
1605
1606         tagSize = tagType.size * length;
1607         // Determine if the value is contained in the dataOffset bytes,
1608         // or if the value at the dataOffset is a pointer to the actual data:
1609         dataOffset = tagSize > 4 ?
1610                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1611         if (dataOffset + tagSize > dataView.byteLength) {
1612             Roo.log('Invalid Exif data: Invalid data offset.');
1613             return;
1614         }
1615         if (length === 1) {
1616             return tagType.getValue(dataView, dataOffset, littleEndian);
1617         }
1618         values = [];
1619         for (i = 0; i < length; i += 1) {
1620             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1621         }
1622
1623         if (tagType.ascii) {
1624             str = '';
1625             // Concatenate the chars:
1626             for (i = 0; i < values.length; i += 1) {
1627                 c = values[i];
1628                 // Ignore the terminating NULL byte(s):
1629                 if (c === '\u0000') {
1630                     break;
1631                 }
1632                 str += c;
1633             }
1634             return str;
1635         }
1636         return values;
1637     }
1638
1639 });
1640
1641 Roo.apply(Roo.dialog.UploadCropbox, {
1642     tags : {
1643         'Orientation': 0x0112
1644     },
1645
1646     Orientation: {
1647             1: 0, //'top-left',
1648 //            2: 'top-right',
1649             3: 180, //'bottom-right',
1650 //            4: 'bottom-left',
1651 //            5: 'left-top',
1652             6: 90, //'right-top',
1653 //            7: 'right-bottom',
1654             8: 270 //'left-bottom'
1655     },
1656
1657     exifTagTypes : {
1658         // byte, 8-bit unsigned int:
1659         1: {
1660             getValue: function (dataView, dataOffset) {
1661                 return dataView.getUint8(dataOffset);
1662             },
1663             size: 1
1664         },
1665         // ascii, 8-bit byte:
1666         2: {
1667             getValue: function (dataView, dataOffset) {
1668                 return String.fromCharCode(dataView.getUint8(dataOffset));
1669             },
1670             size: 1,
1671             ascii: true
1672         },
1673         // short, 16 bit int:
1674         3: {
1675             getValue: function (dataView, dataOffset, littleEndian) {
1676                 return dataView.getUint16(dataOffset, littleEndian);
1677             },
1678             size: 2
1679         },
1680         // long, 32 bit int:
1681         4: {
1682             getValue: function (dataView, dataOffset, littleEndian) {
1683                 return dataView.getUint32(dataOffset, littleEndian);
1684             },
1685             size: 4
1686         },
1687         // rational = two long values, first is numerator, second is denominator:
1688         5: {
1689             getValue: function (dataView, dataOffset, littleEndian) {
1690                 return dataView.getUint32(dataOffset, littleEndian) /
1691                     dataView.getUint32(dataOffset + 4, littleEndian);
1692             },
1693             size: 8
1694         },
1695         // slong, 32 bit signed int:
1696         9: {
1697             getValue: function (dataView, dataOffset, littleEndian) {
1698                 return dataView.getInt32(dataOffset, littleEndian);
1699             },
1700             size: 4
1701         },
1702         // srational, two slongs, first is numerator, second is denominator:
1703         10: {
1704             getValue: function (dataView, dataOffset, littleEndian) {
1705                 return dataView.getInt32(dataOffset, littleEndian) /
1706                     dataView.getInt32(dataOffset + 4, littleEndian);
1707             },
1708             size: 8
1709         }
1710     },
1711
1712     footer : {
1713         STANDARD : [
1714             {
1715                 tag : 'div',
1716                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1717                 action : 'rotate-left',
1718                 cn : [
1719                     {
1720                         tag : 'button',
1721                         cls : 'btn btn-default',
1722                         html : '<i class="fa fa-undo"></i>'
1723                     }
1724                 ]
1725             },
1726             {
1727                 tag : 'div',
1728                 cls : 'btn-group roo-upload-cropbox-picture',
1729                 action : 'picture',
1730                 cn : [
1731                     {
1732                         tag : 'button',
1733                         cls : 'btn btn-default',
1734                         html : '<i class="fa fa-picture-o"></i>'
1735                     }
1736                 ]
1737             },
1738             {
1739                 tag : 'div',
1740                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1741                 action : 'rotate-right',
1742                 cn : [
1743                     {
1744                         tag : 'button',
1745                         cls : 'btn btn-default',
1746                         html : '<i class="fa fa-repeat"></i>'
1747                     }
1748                 ]
1749             }
1750         ],
1751         DOCUMENT : [
1752             {
1753                 tag : 'div',
1754                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1755                 action : 'rotate-left',
1756                 cn : [
1757                     {
1758                         tag : 'button',
1759                         cls : 'btn btn-default',
1760                         html : '<i class="fa fa-undo"></i>'
1761                     }
1762                 ]
1763             },
1764             {
1765                 tag : 'div',
1766                 cls : 'btn-group roo-upload-cropbox-download',
1767                 action : 'download',
1768                 cn : [
1769                     {
1770                         tag : 'button',
1771                         cls : 'btn btn-default',
1772                         html : '<i class="fa fa-download"></i>'
1773                     }
1774                 ]
1775             },
1776             {
1777                 tag : 'div',
1778                 cls : 'btn-group roo-upload-cropbox-crop',
1779                 action : 'crop',
1780                 cn : [
1781                     {
1782                         tag : 'button',
1783                         cls : 'btn btn-default',
1784                         html : '<i class="fa fa-crop"></i>'
1785                     }
1786                 ]
1787             },
1788             {
1789                 tag : 'div',
1790                 cls : 'btn-group roo-upload-cropbox-trash',
1791                 action : 'trash',
1792                 cn : [
1793                     {
1794                         tag : 'button',
1795                         cls : 'btn btn-default',
1796                         html : '<i class="fa fa-trash"></i>'
1797                     }
1798                 ]
1799             },
1800             {
1801                 tag : 'div',
1802                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1803                 action : 'rotate-right',
1804                 cn : [
1805                     {
1806                         tag : 'button',
1807                         cls : 'btn btn-default',
1808                         html : '<i class="fa fa-repeat"></i>'
1809                     }
1810                 ]
1811             }
1812         ],
1813         ROTATOR : [
1814             {
1815                 tag : 'div',
1816                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1817                 action : 'rotate-left',
1818                 cn : [
1819                     {
1820                         tag : 'button',
1821                         cls : 'btn btn-default',
1822                         html : '<i class="fa fa-undo"></i>'
1823                     }
1824                 ]
1825             },
1826             {
1827                 tag : 'div',
1828                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1829                 action : 'rotate-right',
1830                 cn : [
1831                     {
1832                         tag : 'button',
1833                         cls : 'btn btn-default',
1834                         html : '<i class="fa fa-repeat"></i>'
1835                     }
1836                 ]
1837             }
1838         ]
1839     }
1840 });