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