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         console.log("ZOOM");
 584         console.log("WIDTH: " + width);
 585         console.log("HEIGHT: " + height);
 586
 587
 588         var maxWidth = this.imageEl.OriginWidth;
 589         var maxHeight = this.imageEl.OriginHeight;
 590
 591         if(
 592                 this.isDocument &&
 593                 (this.rotate == 0 || this.rotate == 180) &&
 594                 (
 595                     width > this.imageEl.OriginWidth ||
 596                     height > this.imageEl.OriginHeight ||
 597                     (width < this.minWidth && height < this.minHeight)
 598                 )
 599         ){
 600             return false;
 601         }
 602
 603         if(
 604                 this.isDocument &&
 605                 (this.rotate == 90 || this.rotate == 270) &&
 606                 (
 607                     width > this.imageEl.OriginWidth ||
 608                     height > this.imageEl.OriginHeight ||
 609                     (width < this.minHeight && height < this.minWidth)
 610                 )
 611         ){
 612             return false;
 613         }
 614
 615         if(
 616                 !this.isDocument &&
 617                 (this.rotate == 0 || this.rotate == 180) &&
 618                 (
 619                     (this.imageEl.OriginWidth >= this.minWidth) && width < this.minWidth ||
 620                     (this.imageEl.OriginHeight >= this.minHeight) && height < this.minHeight ||
 621                     width > maxWidth ||
 622                     height > maxHeight
 623                 )
 624         ){
 625             return false;
 626         }
 627
 628         if(
 629                 !this.isDocument &&
 630                 (this.rotate == 90 || this.rotate == 270) &&
 631                 (
 632                     width < this.minHeight ||
 633                     width > this.imageEl.OriginWidth ||
 634                     height < this.minWidth ||
 635                     height > this.imageEl.OriginHeight
 636                 )
 637         ){
 638             return false;
 639         }
 640
 641         return true;
 642
 643     },
 644
 645     onRotateLeft : function(e)
 646     {
 647         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 648
 649             var minScale = this.thumbEl.getWidth() / this.minWidth;
 650
 651             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 652             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 653
 654             this.startScale = this.scale;
 655
 656             while (this.getScaleLevel() < minScale){
 657
 658                 this.scale = this.scale + 1;
 659
 660                 if(!this.zoomable()){
 661                     break;
 662                 }
 663
 664                 if(
 665                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 666                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 667                 ){
 668                     continue;
 669                 }
 670
 671                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 672
 673                 this.draw();
 674
 675                 return;
 676             }
 677
 678             this.scale = this.startScale;
 679
 680             this.onRotateFail();
 681
 682             return false;
 683         }
 684
 685         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 686
 687         if(this.isDocument){
 688             this.setThumbBoxSize();
 689             this.setThumbBoxPosition();
 690             this.setCanvasPosition();
 691         }
 692
 693         this.draw();
 694
 695         this.fireEvent('rotate', this, 'left');
 696
 697     },
 698
 699     onRotateRight : function(e)
 700     {
 701         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 702
 703             var minScale = this.thumbEl.getWidth() / this.minWidth;
 704
 705             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 706             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 707
 708             this.startScale = this.scale;
 709
 710             while (this.getScaleLevel() < minScale){
 711
 712                 this.scale = this.scale + 1;
 713
 714                 if(!this.zoomable()){
 715                     break;
 716                 }
 717
 718                 if(
 719                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 720                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 721                 ){
 722                     continue;
 723                 }
 724
 725                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 726
 727                 this.draw();
 728
 729                 return;
 730             }
 731
 732             this.scale = this.startScale;
 733
 734             this.onRotateFail();
 735
 736             return false;
 737         }
 738
 739         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 740
 741         if(this.isDocument){
 742             this.setThumbBoxSize();
 743             this.setThumbBoxPosition();
 744             this.setCanvasPosition();
 745         }
 746
 747         this.draw();
 748
 749         this.fireEvent('rotate', this, 'right');
 750     },
 751
 752     onRotateFail : function()
 753     {
 754         this.errorEl.show(true);
 755
 756         var _this = this;
 757
 758         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 759     },
 760
 761     draw : function()
 762     {
 763         this.previewEl.dom.innerHTML = '';
 764
 765         var canvasEl = document.createElement("canvas");
 766
 767         var contextEl = canvasEl.getContext("2d");
 768
 769         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 770         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 771         var center = this.imageEl.OriginWidth / 2;
 772
 773         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 774             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 775             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 776             center = this.imageEl.OriginHeight / 2;
 777         }
 778
 779         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 780
 781         contextEl.translate(center, center);
 782         contextEl.rotate(this.rotate * Math.PI / 180);
 783
 784         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 785
 786         this.canvasEl = document.createElement("canvas");
 787
 788         this.contextEl = this.canvasEl.getContext("2d");
 789
 790         switch (this.rotate) {
 791             case 0 :
 792
 793                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 794                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 795
 796                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 797
 798                 break;
 799             case 90 :
 800
 801                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 802                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 803
 804                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 805                     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);
 806                     break;
 807                 }
 808
 809                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 810
 811                 break;
 812             case 180 :
 813
 814                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 815                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 816
 817                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 818                     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);
 819                     break;
 820                 }
 821
 822                 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);
 823
 824                 break;
 825             case 270 :
 826
 827                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 828                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 829
 830                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 831                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 832                     break;
 833                 }
 834
 835                 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);
 836
 837                 break;
 838             default :
 839                 break;
 840         }
 841
 842         this.previewEl.appendChild(this.canvasEl);
 843
 844         this.setCanvasPosition();
 845     },
 846
 847     crop : function()
 848     {
 849         console.log("CROP");
 850         if(!this.canvasLoaded){
 851             return;
 852         }
 853
 854         var imageCanvas = document.createElement("canvas");
 855
 856         var imageContext = imageCanvas.getContext("2d");
 857
 858         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 859         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 860
 861         console.log("IMAGECANVAS WIDTH: " + imageCanvas.width);
 862         console.log("IMAGECANVAS HEIGHT: " + imageCanvas.height);
 863
 864         var center = imageCanvas.width / 2;
 865
 866         imageContext.translate(center, center);
 867
 868         imageContext.rotate(this.rotate * Math.PI / 180);
 869
 870         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 871
 872         var canvas = document.createElement("canvas");
 873
 874         var context = canvas.getContext("2d");
 875
 876         console.log("GETSCALELEVLE: " + this.getScaleLevel());
 877
 878         switch (this.rotate) {
 879             case 0 :
 880
 881                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 882                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 883
 884                 console.log("WIDTH: " + width);
 885                 console.log("HEIGHT: " + height);
 886
 887                 canvas.width = width;
 888
 889                 canvas.height = height;
 890
 891                 console.log("CANVAS WIDTH: " + canvas.width);
 892                 console.log("CANVAS HEIGHT: " + canvas.height);
 893
 894                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 895                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 896
 897                 console.log("X: " + x);
 898                 console.log("Y: " + y);
 899
 900                 // var targetWidth = this.minWidth - 2 * x;
 901                 // var targetHeight = this.minHeight - 2 * y;
 902
 903                 // console.log("targetWidth: " + targetWidth);
 904                 // console.log("targetHeight: " + targetHeight);
 905
 906                 // var scale = 1;
 907
 908                 // if((x == 0 && y == 0) || (x == 0 && y > 0)){
 909                 //     scale = targetWidth / width;
 910                 // }
 911
 912                 // if(x > 0 && y == 0){
 913                 //     scale = targetHeight / height;
 914                 // }
 915
 916                 // if(x > 0 && y > 0){
 917                 //     scale = targetWidth / width;
 918
 919                 //     if(width < height){
 920                 //         scale = targetHeight / height;
 921                 //     }
 922                 // }
 923
 924                 // console.log("scale: " + scale);
 925
 926                 // context.scale(scale, scale);
 927
 928                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 929                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 930
 931                 console.log("sx: " + sx);
 932                 console.log("sy: " + sy);
 933
 934                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 935                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 936
 937                 // context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 938
 939                 context.drawImage(imageCanvas, 0, 0);
 940
 941                 break;
 942             case 90 :
 943
 944                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 945                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 946
 947                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 948                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 949
 950                 var targetWidth = this.minWidth - 2 * x;
 951                 var targetHeight = this.minHeight - 2 * y;
 952
 953                 var scale = 1;
 954
 955                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 956                     scale = targetWidth / width;
 957                 }
 958
 959                 if(x > 0 && y == 0){
 960                     scale = targetHeight / height;
 961                 }
 962
 963                 if(x > 0 && y > 0){
 964                     scale = targetWidth / width;
 965
 966                     if(width < height){
 967                         scale = targetHeight / height;
 968                     }
 969                 }
 970
 971                 context.scale(scale, scale);
 972
 973                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 974                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 975
 976                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 977                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 978
 979                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 980
 981                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 982
 983                 break;
 984             case 180 :
 985
 986                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 987                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 988
 989                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 990                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 991
 992                 var targetWidth = this.minWidth - 2 * x;
 993                 var targetHeight = this.minHeight - 2 * y;
 994
 995                 var scale = 1;
 996
 997                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 998                     scale = targetWidth / width;
 999                 }
1000
1001                 if(x > 0 && y == 0){
1002                     scale = targetHeight / height;
1003                 }
1004
1005                 if(x > 0 && y > 0){
1006                     scale = targetWidth / width;
1007
1008                     if(width < height){
1009                         scale = targetHeight / height;
1010                     }
1011                 }
1012
1013                 context.scale(scale, scale);
1014
1015                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1016                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1017
1018                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1019                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1020
1021                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1022                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1023
1024                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1025
1026                 break;
1027             case 270 :
1028
1029                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1030                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1031
1032                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1033                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1034
1035                 var targetWidth = this.minWidth - 2 * x;
1036                 var targetHeight = this.minHeight - 2 * y;
1037
1038                 var scale = 1;
1039
1040                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1041                     scale = targetWidth / width;
1042                 }
1043
1044                 if(x > 0 && y == 0){
1045                     scale = targetHeight / height;
1046                 }
1047
1048                 if(x > 0 && y > 0){
1049                     scale = targetWidth / width;
1050
1051                     if(width < height){
1052                         scale = targetHeight / height;
1053                     }
1054                 }
1055
1056                 context.scale(scale, scale);
1057                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1058                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1059
1060                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1061                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1062
1063                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1064
1065                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1066
1067                 break;
1068             default :
1069                 break;
1070         }
1071
1072         this.cropData = canvas.toDataURL(this.cropType);
1073
1074         if(this.fireEvent('crop', this, this.cropData) !== false){
1075             this.process(this.file, this.cropData);
1076         }
1077
1078         return;
1079
1080     },
1081
1082     setThumbBoxSize : function()
1083     {
1084         var width, height;
1085
1086         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1087             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1088             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1089
1090             this.minWidth = width;
1091             this.minHeight = height;
1092
1093             if(this.rotate == 90 || this.rotate == 270){
1094                 this.minWidth = height;
1095                 this.minHeight = width;
1096             }
1097         }
1098
1099         height = 300;
1100         width = Math.ceil(this.minWidth * height / this.minHeight);
1101
1102         if(this.minWidth > this.minHeight){
1103             width = 300;
1104             height = Math.ceil(this.minHeight * width / this.minWidth);
1105         }
1106
1107         this.thumbEl.setStyle({
1108             width : width + 'px',
1109             height : height + 'px'
1110         });
1111
1112         return;
1113
1114     },
1115
1116     setThumbBoxPosition : function()
1117     {
1118         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1119         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1120
1121         this.thumbEl.setLeft(x);
1122         this.thumbEl.setTop(y);
1123
1124     },
1125
1126     baseRotateLevel : function()
1127     {
1128         this.baseRotate = 1;
1129
1130         if(
1131                 typeof(this.exif) != 'undefined' &&
1132                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1133                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1134         ){
1135             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1136         }
1137
1138         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1139
1140     },
1141
1142     baseScaleLevel : function()
1143     {
1144         console.log("BASE SCALE LEVEL");
1145         var width, height;
1146
1147         if(this.isDocument){
1148
1149             if(this.baseRotate == 6 || this.baseRotate == 8){
1150
1151                 height = this.thumbEl.getHeight();
1152                 this.baseScale = height / this.imageEl.OriginWidth;
1153
1154                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1155                     width = this.thumbEl.getWidth();
1156                     this.baseScale = width / this.imageEl.OriginHeight;
1157                 }
1158
1159                 return;
1160             }
1161
1162             height = this.thumbEl.getHeight();
1163             this.baseScale = height / this.imageEl.OriginHeight;
1164
1165             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1166                 width = this.thumbEl.getWidth();
1167                 this.baseScale = width / this.imageEl.OriginWidth;
1168             }
1169
1170             return;
1171         }
1172
1173         if(this.baseRotate == 6 || this.baseRotate == 8){
1174
1175             width = this.thumbEl.getHeight();
1176             this.baseScale = width / this.imageEl.OriginHeight;
1177
1178             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1179                 height = this.thumbEl.getWidth();
1180                 this.baseScale = height / this.imageEl.OriginHeight;
1181             }
1182
1183             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1184                 height = this.thumbEl.getWidth();
1185                 this.baseScale = height / this.imageEl.OriginHeight;
1186
1187                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1188                     width = this.thumbEl.getHeight();
1189                     this.baseScale = width / this.imageEl.OriginWidth;
1190                 }
1191             }
1192
1193             return;
1194         }
1195
1196         width = this.thumbEl.getWidth();
1197         this.baseScale = width / this.imageEl.OriginWidth;
1198
1199         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1200             height = this.thumbEl.getHeight();
1201             this.baseScale = height / this.imageEl.OriginHeight;
1202         }
1203
1204         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1205
1206             height = this.thumbEl.getHeight();
1207             this.baseScale = height / this.imageEl.OriginHeight;
1208
1209             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1210                 width = this.thumbEl.getWidth();
1211                 this.baseScale = width / this.imageEl.OriginWidth;
1212             }
1213
1214         }
1215
1216         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1217             this.baseScale = width / this.minWidth;
1218         }
1219         console.log(this.baseScale);
1220         return;
1221     },
1222
1223     getScaleLevel : function()
1224     {
1225         return this.baseScale * Math.pow(1.02, this.scale);
1226     },
1227
1228     onTouchStart : function(e)
1229     {
1230         if(!this.canvasLoaded){
1231             this.beforeSelectFile(e);
1232             return;
1233         }
1234
1235         var touches = e.browserEvent.touches;
1236
1237         if(!touches){
1238             return;
1239         }
1240
1241         if(touches.length == 1){
1242             this.onMouseDown(e);
1243             return;
1244         }
1245
1246         if(touches.length != 2){
1247             return;
1248         }
1249
1250         var coords = [];
1251
1252         for(var i = 0, finger; finger = touches[i]; i++){
1253             coords.push(finger.pageX, finger.pageY);
1254         }
1255
1256         var x = Math.pow(coords[0] - coords[2], 2);
1257         var y = Math.pow(coords[1] - coords[3], 2);
1258
1259         this.startDistance = Math.sqrt(x + y);
1260
1261         this.startScale = this.scale;
1262
1263         this.pinching = true;
1264         this.dragable = false;
1265
1266     },
1267
1268     onTouchMove : function(e)
1269     {
1270         if(!this.pinching && !this.dragable){
1271             return;
1272         }
1273
1274         var touches = e.browserEvent.touches;
1275
1276         if(!touches){
1277             return;
1278         }
1279
1280         if(this.dragable){
1281             this.onMouseMove(e);
1282             return;
1283         }
1284
1285         var coords = [];
1286
1287         for(var i = 0, finger; finger = touches[i]; i++){
1288             coords.push(finger.pageX, finger.pageY);
1289         }
1290
1291         var x = Math.pow(coords[0] - coords[2], 2);
1292         var y = Math.pow(coords[1] - coords[3], 2);
1293
1294         this.endDistance = Math.sqrt(x + y);
1295
1296         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1297
1298         if(!this.zoomable()){
1299             this.scale = this.startScale;
1300             return;
1301         }
1302
1303         this.draw();
1304
1305     },
1306
1307     onTouchEnd : function(e)
1308     {
1309         this.pinching = false;
1310         this.dragable = false;
1311
1312     },
1313
1314     process : function(file, crop)
1315     {
1316         if(this.loadMask){
1317             this.maskEl.mask(this.loadingText);
1318         }
1319
1320         this.xhr = new XMLHttpRequest();
1321
1322         file.xhr = this.xhr;
1323
1324         this.xhr.open(this.method, this.url, true);
1325
1326         var headers = {
1327             "Accept": "application/json",
1328             "Cache-Control": "no-cache",
1329             "X-Requested-With": "XMLHttpRequest"
1330         };
1331
1332         for (var headerName in headers) {
1333             var headerValue = headers[headerName];
1334             if (headerValue) {
1335                 this.xhr.setRequestHeader(headerName, headerValue);
1336             }
1337         }
1338
1339         var _this = this;
1340
1341         this.xhr.onload = function()
1342         {
1343             _this.xhrOnLoad(_this.xhr);
1344         }
1345
1346         this.xhr.onerror = function()
1347         {
1348             _this.xhrOnError(_this.xhr);
1349         }
1350
1351         var formData = new FormData();
1352
1353         formData.append("onid", "43024");
1354         formData.append("ontable", "pressrelease_boilerplate");
1355
1356         formData.append('returnHTML', 'NO');
1357
1358         if(crop){
1359             formData.append('crop', crop);
1360             var blobBin = atob(crop.split(',')[1]);
1361             var array = [];
1362             for(var i = 0; i < blobBin.length; i++) {
1363                 array.push(blobBin.charCodeAt(i));
1364             }
1365             var croppedFile =new Blob([new Uint8Array(array)], {type: 'image/png'});
1366             formData.append(this.paramName, croppedFile, file.name);
1367         }
1368
1369         if(typeof(file.filename) != 'undefined'){
1370             formData.append('filename', file.filename);
1371         }
1372
1373         if(typeof(file.mimetype) != 'undefined'){
1374             formData.append('mimetype', file.mimetype);
1375         }
1376
1377         if(this.fireEvent('arrange', this, formData) != false){
1378             this.xhr.send(formData);
1379         };
1380     },
1381
1382     xhrOnLoad : function(xhr)
1383     {
1384         if(this.loadMask){
1385             this.maskEl.unmask();
1386         }
1387
1388         if (xhr.readyState !== 4) {
1389             this.fireEvent('exception', this, xhr);
1390             return;
1391         }
1392
1393         var response = Roo.decode(xhr.responseText);
1394
1395         if(!response.success){
1396             this.fireEvent('exception', this, xhr);
1397             return;
1398         }
1399
1400         var response = Roo.decode(xhr.responseText);
1401
1402         this.fireEvent('upload', this, response);
1403
1404     },
1405
1406     xhrOnError : function()
1407     {
1408         if(this.loadMask){
1409             this.maskEl.unmask();
1410         }
1411
1412         Roo.log('xhr on error');
1413
1414         var response = Roo.decode(xhr.responseText);
1415
1416         Roo.log(response);
1417
1418     },
1419
1420     prepare : function(file)
1421     {
1422         if(this.loadMask){
1423             this.maskEl.mask(this.loadingText);
1424         }
1425
1426         this.file = false;
1427         this.exif = {};
1428
1429         if(typeof(file) === 'string'){
1430             this.loadCanvas(file);
1431             return;
1432         }
1433
1434         if(!file || !this.urlAPI){
1435             return;
1436         }
1437
1438         this.file = file;
1439         this.cropType = file.type;
1440
1441         var _this = this;
1442
1443         if(this.fireEvent('prepare', this, this.file) != false){
1444
1445             var reader = new FileReader();
1446
1447             reader.onload = function (e) {
1448                 if (e.target.error) {
1449                     Roo.log(e.target.error);
1450                     return;
1451                 }
1452
1453                 var buffer = e.target.result,
1454                     dataView = new DataView(buffer),
1455                     offset = 2,
1456                     maxOffset = dataView.byteLength - 4,
1457                     markerBytes,
1458                     markerLength;
1459
1460                 if (dataView.getUint16(0) === 0xffd8) {
1461                     while (offset < maxOffset) {
1462                         markerBytes = dataView.getUint16(offset);
1463
1464                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1465                             markerLength = dataView.getUint16(offset + 2) + 2;
1466                             if (offset + markerLength > dataView.byteLength) {
1467                                 Roo.log('Invalid meta data: Invalid segment size.');
1468                                 break;
1469                             }
1470
1471                             if(markerBytes == 0xffe1){
1472                                 _this.parseExifData(
1473                                     dataView,
1474                                     offset,
1475                                     markerLength
1476                                 );
1477                             }
1478
1479                             offset += markerLength;
1480
1481                             continue;
1482                         }
1483
1484                         break;
1485                     }
1486
1487                 }
1488
1489                 var url = _this.urlAPI.createObjectURL(_this.file);
1490
1491                 _this.loadCanvas(url);
1492
1493                 return;
1494             }
1495
1496             reader.readAsArrayBuffer(this.file);
1497
1498         }
1499
1500     },
1501
1502     parseExifData : function(dataView, offset, length)
1503     {
1504         var tiffOffset = offset + 10,
1505             littleEndian,
1506             dirOffset;
1507
1508         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1509             // No Exif data, might be XMP data instead
1510             return;
1511         }
1512
1513         // Check for the ASCII code for "Exif" (0x45786966):
1514         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1515             // No Exif data, might be XMP data instead
1516             return;
1517         }
1518         if (tiffOffset + 8 > dataView.byteLength) {
1519             Roo.log('Invalid Exif data: Invalid segment size.');
1520             return;
1521         }
1522         // Check for the two null bytes:
1523         if (dataView.getUint16(offset + 8) !== 0x0000) {
1524             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1525             return;
1526         }
1527         // Check the byte alignment:
1528         switch (dataView.getUint16(tiffOffset)) {
1529         case 0x4949:
1530             littleEndian = true;
1531             break;
1532         case 0x4D4D:
1533             littleEndian = false;
1534             break;
1535         default:
1536             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1537             return;
1538         }
1539         // Check for the TIFF tag marker (0x002A):
1540         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1541             Roo.log('Invalid Exif data: Missing TIFF marker.');
1542             return;
1543         }
1544         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1545         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1546
1547         this.parseExifTags(
1548             dataView,
1549             tiffOffset,
1550             tiffOffset + dirOffset,
1551             littleEndian
1552         );
1553     },
1554
1555     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1556     {
1557         var tagsNumber,
1558             dirEndOffset,
1559             i;
1560         if (dirOffset + 6 > dataView.byteLength) {
1561             Roo.log('Invalid Exif data: Invalid directory offset.');
1562             return;
1563         }
1564         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1565         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1566         if (dirEndOffset + 4 > dataView.byteLength) {
1567             Roo.log('Invalid Exif data: Invalid directory size.');
1568             return;
1569         }
1570         for (i = 0; i < tagsNumber; i += 1) {
1571             this.parseExifTag(
1572                 dataView,
1573                 tiffOffset,
1574                 dirOffset + 2 + 12 * i, // tag offset
1575                 littleEndian
1576             );
1577         }
1578         // Return the offset to the next directory:
1579         return dataView.getUint32(dirEndOffset, littleEndian);
1580     },
1581
1582     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1583     {
1584         var tag = dataView.getUint16(offset, littleEndian);
1585
1586         this.exif[tag] = this.getExifValue(
1587             dataView,
1588             tiffOffset,
1589             offset,
1590             dataView.getUint16(offset + 2, littleEndian), // tag type
1591             dataView.getUint32(offset + 4, littleEndian), // tag length
1592             littleEndian
1593         );
1594     },
1595
1596     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1597     {
1598         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1599             tagSize,
1600             dataOffset,
1601             values,
1602             i,
1603             str,
1604             c;
1605
1606         if (!tagType) {
1607             Roo.log('Invalid Exif data: Invalid tag type.');
1608             return;
1609         }
1610
1611         tagSize = tagType.size * length;
1612         // Determine if the value is contained in the dataOffset bytes,
1613         // or if the value at the dataOffset is a pointer to the actual data:
1614         dataOffset = tagSize > 4 ?
1615                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1616         if (dataOffset + tagSize > dataView.byteLength) {
1617             Roo.log('Invalid Exif data: Invalid data offset.');
1618             return;
1619         }
1620         if (length === 1) {
1621             return tagType.getValue(dataView, dataOffset, littleEndian);
1622         }
1623         values = [];
1624         for (i = 0; i < length; i += 1) {
1625             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1626         }
1627
1628         if (tagType.ascii) {
1629             str = '';
1630             // Concatenate the chars:
1631             for (i = 0; i < values.length; i += 1) {
1632                 c = values[i];
1633                 // Ignore the terminating NULL byte(s):
1634                 if (c === '\u0000') {
1635                     break;
1636                 }
1637                 str += c;
1638             }
1639             return str;
1640         }
1641         return values;
1642     }
1643
1644 });
1645
1646 Roo.apply(Roo.dialog.UploadCropbox, {
1647     tags : {
1648         'Orientation': 0x0112
1649     },
1650
1651     Orientation: {
1652             1: 0, //'top-left',
1653 //            2: 'top-right',
1654             3: 180, //'bottom-right',
1655 //            4: 'bottom-left',
1656 //            5: 'left-top',
1657             6: 90, //'right-top',
1658 //            7: 'right-bottom',
1659             8: 270 //'left-bottom'
1660     },
1661
1662     exifTagTypes : {
1663         // byte, 8-bit unsigned int:
1664         1: {
1665             getValue: function (dataView, dataOffset) {
1666                 return dataView.getUint8(dataOffset);
1667             },
1668             size: 1
1669         },
1670         // ascii, 8-bit byte:
1671         2: {
1672             getValue: function (dataView, dataOffset) {
1673                 return String.fromCharCode(dataView.getUint8(dataOffset));
1674             },
1675             size: 1,
1676             ascii: true
1677         },
1678         // short, 16 bit int:
1679         3: {
1680             getValue: function (dataView, dataOffset, littleEndian) {
1681                 return dataView.getUint16(dataOffset, littleEndian);
1682             },
1683             size: 2
1684         },
1685         // long, 32 bit int:
1686         4: {
1687             getValue: function (dataView, dataOffset, littleEndian) {
1688                 return dataView.getUint32(dataOffset, littleEndian);
1689             },
1690             size: 4
1691         },
1692         // rational = two long values, first is numerator, second is denominator:
1693         5: {
1694             getValue: function (dataView, dataOffset, littleEndian) {
1695                 return dataView.getUint32(dataOffset, littleEndian) /
1696                     dataView.getUint32(dataOffset + 4, littleEndian);
1697             },
1698             size: 8
1699         },
1700         // slong, 32 bit signed int:
1701         9: {
1702             getValue: function (dataView, dataOffset, littleEndian) {
1703                 return dataView.getInt32(dataOffset, littleEndian);
1704             },
1705             size: 4
1706         },
1707         // srational, two slongs, first is numerator, second is denominator:
1708         10: {
1709             getValue: function (dataView, dataOffset, littleEndian) {
1710                 return dataView.getInt32(dataOffset, littleEndian) /
1711                     dataView.getInt32(dataOffset + 4, littleEndian);
1712             },
1713             size: 8
1714         }
1715     },
1716
1717     footer : {
1718         STANDARD : [
1719             {
1720                 tag : 'div',
1721                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1722                 action : 'rotate-left',
1723                 cn : [
1724                     {
1725                         tag : 'button',
1726                         cls : 'btn btn-default',
1727                         html : '<i class="fa fa-undo"></i>'
1728                     }
1729                 ]
1730             },
1731             {
1732                 tag : 'div',
1733                 cls : 'btn-group roo-upload-cropbox-picture',
1734                 action : 'picture',
1735                 cn : [
1736                     {
1737                         tag : 'button',
1738                         cls : 'btn btn-default',
1739                         html : '<i class="fa fa-picture-o"></i>'
1740                     }
1741                 ]
1742             },
1743             {
1744                 tag : 'div',
1745                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1746                 action : 'rotate-right',
1747                 cn : [
1748                     {
1749                         tag : 'button',
1750                         cls : 'btn btn-default',
1751                         html : '<i class="fa fa-repeat"></i>'
1752                     }
1753                 ]
1754             }
1755         ],
1756         DOCUMENT : [
1757             {
1758                 tag : 'div',
1759                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1760                 action : 'rotate-left',
1761                 cn : [
1762                     {
1763                         tag : 'button',
1764                         cls : 'btn btn-default',
1765                         html : '<i class="fa fa-undo"></i>'
1766                     }
1767                 ]
1768             },
1769             {
1770                 tag : 'div',
1771                 cls : 'btn-group roo-upload-cropbox-download',
1772                 action : 'download',
1773                 cn : [
1774                     {
1775                         tag : 'button',
1776                         cls : 'btn btn-default',
1777                         html : '<i class="fa fa-download"></i>'
1778                     }
1779                 ]
1780             },
1781             {
1782                 tag : 'div',
1783                 cls : 'btn-group roo-upload-cropbox-crop',
1784                 action : 'crop',
1785                 cn : [
1786                     {
1787                         tag : 'button',
1788                         cls : 'btn btn-default',
1789                         html : '<i class="fa fa-crop"></i>'
1790                     }
1791                 ]
1792             },
1793             {
1794                 tag : 'div',
1795                 cls : 'btn-group roo-upload-cropbox-trash',
1796                 action : 'trash',
1797                 cn : [
1798                     {
1799                         tag : 'button',
1800                         cls : 'btn btn-default',
1801                         html : '<i class="fa fa-trash"></i>'
1802                     }
1803                 ]
1804             },
1805             {
1806                 tag : 'div',
1807                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1808                 action : 'rotate-right',
1809                 cn : [
1810                     {
1811                         tag : 'button',
1812                         cls : 'btn btn-default',
1813                         html : '<i class="fa fa-repeat"></i>'
1814                     }
1815                 ]
1816             }
1817         ],
1818         ROTATOR : [
1819             {
1820                 tag : 'div',
1821                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1822                 action : 'rotate-left',
1823                 cn : [
1824                     {
1825                         tag : 'button',
1826                         cls : 'btn btn-default',
1827                         html : '<i class="fa fa-undo"></i>'
1828                     }
1829                 ]
1830             },
1831             {
1832                 tag : 'div',
1833                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1834                 action : 'rotate-right',
1835                 cn : [
1836                     {
1837                         tag : 'button',
1838                         cls : 'btn btn-default',
1839                         html : '<i class="fa fa-repeat"></i>'
1840                     }
1841                 ]
1842             }
1843         ]
1844     }
1845 });