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: " + (this.thumbEl.getWidth() / this.getScaleLevel()));
 585         console.log("HEIGHT: " + (this.thumbEl.getHeight() / this.getScaleLevel()));
 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         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 877
 878         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 879
 880         console.log("CANVAS WIDTH: " + canvas.width);
 881         console.log("CANVAS HEIGHT: " + canvas.height);
 882
 883         console.log("SCALELEVLE: " + scaleLevel);
 884
 885         switch (this.rotate) {
 886             case 0 :
 887
 888                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 889                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 890
 891                 console.log("WIDTH: " + width);
 892                 console.log("HEIGHT: " + 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 = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
 929                 var sy = 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                 if(canvas.width > 1200) {
 938                     canvas.height = 1200 * height / canvas.width
 939                     canvas.width = 1200;
 940                 }
 941
 942                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 943
 944                 break;
 945             case 90 :
 946
 947                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 948                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 949
 950                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 951                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 952
 953                 var targetWidth = this.minWidth - 2 * x;
 954                 var targetHeight = this.minHeight - 2 * y;
 955
 956                 var scale = 1;
 957
 958                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 959                     scale = targetWidth / width;
 960                 }
 961
 962                 if(x > 0 && y == 0){
 963                     scale = targetHeight / height;
 964                 }
 965
 966                 if(x > 0 && y > 0){
 967                     scale = targetWidth / width;
 968
 969                     if(width < height){
 970                         scale = targetHeight / height;
 971                     }
 972                 }
 973
 974                 context.scale(scale, scale);
 975
 976                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 977                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 978
 979                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 980                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 981
 982                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 983
 984                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 985
 986                 break;
 987             case 180 :
 988
 989                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 990                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 991
 992                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 993                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 994
 995                 var targetWidth = this.minWidth - 2 * x;
 996                 var targetHeight = this.minHeight - 2 * y;
 997
 998                 var scale = 1;
 999
1000                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1001                     scale = targetWidth / width;
1002                 }
1003
1004                 if(x > 0 && y == 0){
1005                     scale = targetHeight / height;
1006                 }
1007
1008                 if(x > 0 && y > 0){
1009                     scale = targetWidth / width;
1010
1011                     if(width < height){
1012                         scale = targetHeight / height;
1013                     }
1014                 }
1015
1016                 context.scale(scale, scale);
1017
1018                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1019                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1020
1021                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1022                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1023
1024                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1025                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1026
1027                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1028
1029                 break;
1030             case 270 :
1031
1032                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1033                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1034
1035                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1036                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1037
1038                 var targetWidth = this.minWidth - 2 * x;
1039                 var targetHeight = this.minHeight - 2 * y;
1040
1041                 var scale = 1;
1042
1043                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1044                     scale = targetWidth / width;
1045                 }
1046
1047                 if(x > 0 && y == 0){
1048                     scale = targetHeight / height;
1049                 }
1050
1051                 if(x > 0 && y > 0){
1052                     scale = targetWidth / width;
1053
1054                     if(width < height){
1055                         scale = targetHeight / height;
1056                     }
1057                 }
1058
1059                 context.scale(scale, scale);
1060                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1061                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1062
1063                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1064                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1065
1066                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1067
1068                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1069
1070                 break;
1071             default :
1072                 break;
1073         }
1074
1075         this.cropData = canvas.toDataURL(this.cropType);
1076
1077         if(this.fireEvent('crop', this, this.cropData) !== false){
1078             this.process(this.file, this.cropData);
1079         }
1080
1081         return;
1082
1083     },
1084
1085     setThumbBoxSize : function()
1086     {
1087         var width, height;
1088
1089         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1090             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1091             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1092
1093             this.minWidth = width;
1094             this.minHeight = height;
1095
1096             if(this.rotate == 90 || this.rotate == 270){
1097                 this.minWidth = height;
1098                 this.minHeight = width;
1099             }
1100         }
1101
1102         height = 300;
1103         width = Math.ceil(this.minWidth * height / this.minHeight);
1104
1105         if(this.minWidth > this.minHeight){
1106             width = 300;
1107             height = Math.ceil(this.minHeight * width / this.minWidth);
1108         }
1109
1110         this.thumbEl.setStyle({
1111             width : width + 'px',
1112             height : height + 'px'
1113         });
1114
1115         return;
1116
1117     },
1118
1119     setThumbBoxPosition : function()
1120     {
1121         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1122         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1123
1124         this.thumbEl.setLeft(x);
1125         this.thumbEl.setTop(y);
1126
1127     },
1128
1129     baseRotateLevel : function()
1130     {
1131         this.baseRotate = 1;
1132
1133         if(
1134                 typeof(this.exif) != 'undefined' &&
1135                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1136                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1137         ){
1138             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1139         }
1140
1141         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1142
1143     },
1144
1145     baseScaleLevel : function()
1146     {
1147         console.log("BASE SCALE LEVEL");
1148         var width, height;
1149
1150         if(this.isDocument){
1151
1152             if(this.baseRotate == 6 || this.baseRotate == 8){
1153
1154                 height = this.thumbEl.getHeight();
1155                 this.baseScale = height / this.imageEl.OriginWidth;
1156
1157                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1158                     width = this.thumbEl.getWidth();
1159                     this.baseScale = width / this.imageEl.OriginHeight;
1160                 }
1161
1162                 return;
1163             }
1164
1165             height = this.thumbEl.getHeight();
1166             this.baseScale = height / this.imageEl.OriginHeight;
1167
1168             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1169                 width = this.thumbEl.getWidth();
1170                 this.baseScale = width / this.imageEl.OriginWidth;
1171             }
1172
1173             return;
1174         }
1175
1176         if(this.baseRotate == 6 || this.baseRotate == 8){
1177
1178             width = this.thumbEl.getHeight();
1179             this.baseScale = width / this.imageEl.OriginHeight;
1180
1181             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1182                 height = this.thumbEl.getWidth();
1183                 this.baseScale = height / this.imageEl.OriginHeight;
1184             }
1185
1186             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1187                 height = this.thumbEl.getWidth();
1188                 this.baseScale = height / this.imageEl.OriginHeight;
1189
1190                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1191                     width = this.thumbEl.getHeight();
1192                     this.baseScale = width / this.imageEl.OriginWidth;
1193                 }
1194             }
1195
1196             return;
1197         }
1198
1199         width = this.thumbEl.getWidth();
1200         this.baseScale = width / this.imageEl.OriginWidth;
1201
1202         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1203             height = this.thumbEl.getHeight();
1204             this.baseScale = height / this.imageEl.OriginHeight;
1205         }
1206
1207         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1208
1209             height = this.thumbEl.getHeight();
1210             this.baseScale = height / this.imageEl.OriginHeight;
1211
1212             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1213                 width = this.thumbEl.getWidth();
1214                 this.baseScale = width / this.imageEl.OriginWidth;
1215             }
1216
1217         }
1218
1219         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1220             this.baseScale = width / this.minWidth;
1221         }
1222         console.log(this.baseScale);
1223         return;
1224     },
1225
1226     getScaleLevel : function()
1227     {
1228         return this.baseScale * Math.pow(1.02, this.scale);
1229     },
1230
1231     onTouchStart : function(e)
1232     {
1233         if(!this.canvasLoaded){
1234             this.beforeSelectFile(e);
1235             return;
1236         }
1237
1238         var touches = e.browserEvent.touches;
1239
1240         if(!touches){
1241             return;
1242         }
1243
1244         if(touches.length == 1){
1245             this.onMouseDown(e);
1246             return;
1247         }
1248
1249         if(touches.length != 2){
1250             return;
1251         }
1252
1253         var coords = [];
1254
1255         for(var i = 0, finger; finger = touches[i]; i++){
1256             coords.push(finger.pageX, finger.pageY);
1257         }
1258
1259         var x = Math.pow(coords[0] - coords[2], 2);
1260         var y = Math.pow(coords[1] - coords[3], 2);
1261
1262         this.startDistance = Math.sqrt(x + y);
1263
1264         this.startScale = this.scale;
1265
1266         this.pinching = true;
1267         this.dragable = false;
1268
1269     },
1270
1271     onTouchMove : function(e)
1272     {
1273         if(!this.pinching && !this.dragable){
1274             return;
1275         }
1276
1277         var touches = e.browserEvent.touches;
1278
1279         if(!touches){
1280             return;
1281         }
1282
1283         if(this.dragable){
1284             this.onMouseMove(e);
1285             return;
1286         }
1287
1288         var coords = [];
1289
1290         for(var i = 0, finger; finger = touches[i]; i++){
1291             coords.push(finger.pageX, finger.pageY);
1292         }
1293
1294         var x = Math.pow(coords[0] - coords[2], 2);
1295         var y = Math.pow(coords[1] - coords[3], 2);
1296
1297         this.endDistance = Math.sqrt(x + y);
1298
1299         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1300
1301         if(!this.zoomable()){
1302             this.scale = this.startScale;
1303             return;
1304         }
1305
1306         this.draw();
1307
1308     },
1309
1310     onTouchEnd : function(e)
1311     {
1312         this.pinching = false;
1313         this.dragable = false;
1314
1315     },
1316
1317     process : function(file, crop)
1318     {
1319         if(this.loadMask){
1320             this.maskEl.mask(this.loadingText);
1321         }
1322
1323         this.xhr = new XMLHttpRequest();
1324
1325         file.xhr = this.xhr;
1326
1327         this.xhr.open(this.method, this.url, true);
1328
1329         var headers = {
1330             "Accept": "application/json",
1331             "Cache-Control": "no-cache",
1332             "X-Requested-With": "XMLHttpRequest"
1333         };
1334
1335         for (var headerName in headers) {
1336             var headerValue = headers[headerName];
1337             if (headerValue) {
1338                 this.xhr.setRequestHeader(headerName, headerValue);
1339             }
1340         }
1341
1342         var _this = this;
1343
1344         this.xhr.onload = function()
1345         {
1346             _this.xhrOnLoad(_this.xhr);
1347         }
1348
1349         this.xhr.onerror = function()
1350         {
1351             _this.xhrOnError(_this.xhr);
1352         }
1353
1354         var formData = new FormData();
1355
1356         formData.append("onid", "43024");
1357         formData.append("ontable", "pressrelease_boilerplate");
1358
1359         formData.append('returnHTML', 'NO');
1360
1361         if(crop){
1362             formData.append('crop', crop);
1363             var blobBin = atob(crop.split(',')[1]);
1364             var array = [];
1365             for(var i = 0; i < blobBin.length; i++) {
1366                 array.push(blobBin.charCodeAt(i));
1367             }
1368             var croppedFile =new Blob([new Uint8Array(array)], {type: 'image/png'});
1369             formData.append(this.paramName, croppedFile, file.name);
1370         }
1371
1372         if(typeof(file.filename) != 'undefined'){
1373             formData.append('filename', file.filename);
1374         }
1375
1376         if(typeof(file.mimetype) != 'undefined'){
1377             formData.append('mimetype', file.mimetype);
1378         }
1379
1380         if(this.fireEvent('arrange', this, formData) != false){
1381             this.xhr.send(formData);
1382         };
1383     },
1384
1385     xhrOnLoad : function(xhr)
1386     {
1387         if(this.loadMask){
1388             this.maskEl.unmask();
1389         }
1390
1391         if (xhr.readyState !== 4) {
1392             this.fireEvent('exception', this, xhr);
1393             return;
1394         }
1395
1396         var response = Roo.decode(xhr.responseText);
1397
1398         if(!response.success){
1399             this.fireEvent('exception', this, xhr);
1400             return;
1401         }
1402
1403         var response = Roo.decode(xhr.responseText);
1404
1405         this.fireEvent('upload', this, response);
1406
1407     },
1408
1409     xhrOnError : function()
1410     {
1411         if(this.loadMask){
1412             this.maskEl.unmask();
1413         }
1414
1415         Roo.log('xhr on error');
1416
1417         var response = Roo.decode(xhr.responseText);
1418
1419         Roo.log(response);
1420
1421     },
1422
1423     prepare : function(file)
1424     {
1425         if(this.loadMask){
1426             this.maskEl.mask(this.loadingText);
1427         }
1428
1429         this.file = false;
1430         this.exif = {};
1431
1432         if(typeof(file) === 'string'){
1433             this.loadCanvas(file);
1434             return;
1435         }
1436
1437         if(!file || !this.urlAPI){
1438             return;
1439         }
1440
1441         this.file = file;
1442         this.cropType = file.type;
1443
1444         var _this = this;
1445
1446         if(this.fireEvent('prepare', this, this.file) != false){
1447
1448             var reader = new FileReader();
1449
1450             reader.onload = function (e) {
1451                 if (e.target.error) {
1452                     Roo.log(e.target.error);
1453                     return;
1454                 }
1455
1456                 var buffer = e.target.result,
1457                     dataView = new DataView(buffer),
1458                     offset = 2,
1459                     maxOffset = dataView.byteLength - 4,
1460                     markerBytes,
1461                     markerLength;
1462
1463                 if (dataView.getUint16(0) === 0xffd8) {
1464                     while (offset < maxOffset) {
1465                         markerBytes = dataView.getUint16(offset);
1466
1467                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1468                             markerLength = dataView.getUint16(offset + 2) + 2;
1469                             if (offset + markerLength > dataView.byteLength) {
1470                                 Roo.log('Invalid meta data: Invalid segment size.');
1471                                 break;
1472                             }
1473
1474                             if(markerBytes == 0xffe1){
1475                                 _this.parseExifData(
1476                                     dataView,
1477                                     offset,
1478                                     markerLength
1479                                 );
1480                             }
1481
1482                             offset += markerLength;
1483
1484                             continue;
1485                         }
1486
1487                         break;
1488                     }
1489
1490                 }
1491
1492                 var url = _this.urlAPI.createObjectURL(_this.file);
1493
1494                 _this.loadCanvas(url);
1495
1496                 return;
1497             }
1498
1499             reader.readAsArrayBuffer(this.file);
1500
1501         }
1502
1503     },
1504
1505     parseExifData : function(dataView, offset, length)
1506     {
1507         var tiffOffset = offset + 10,
1508             littleEndian,
1509             dirOffset;
1510
1511         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1512             // No Exif data, might be XMP data instead
1513             return;
1514         }
1515
1516         // Check for the ASCII code for "Exif" (0x45786966):
1517         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1518             // No Exif data, might be XMP data instead
1519             return;
1520         }
1521         if (tiffOffset + 8 > dataView.byteLength) {
1522             Roo.log('Invalid Exif data: Invalid segment size.');
1523             return;
1524         }
1525         // Check for the two null bytes:
1526         if (dataView.getUint16(offset + 8) !== 0x0000) {
1527             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1528             return;
1529         }
1530         // Check the byte alignment:
1531         switch (dataView.getUint16(tiffOffset)) {
1532         case 0x4949:
1533             littleEndian = true;
1534             break;
1535         case 0x4D4D:
1536             littleEndian = false;
1537             break;
1538         default:
1539             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1540             return;
1541         }
1542         // Check for the TIFF tag marker (0x002A):
1543         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1544             Roo.log('Invalid Exif data: Missing TIFF marker.');
1545             return;
1546         }
1547         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1548         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1549
1550         this.parseExifTags(
1551             dataView,
1552             tiffOffset,
1553             tiffOffset + dirOffset,
1554             littleEndian
1555         );
1556     },
1557
1558     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1559     {
1560         var tagsNumber,
1561             dirEndOffset,
1562             i;
1563         if (dirOffset + 6 > dataView.byteLength) {
1564             Roo.log('Invalid Exif data: Invalid directory offset.');
1565             return;
1566         }
1567         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1568         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1569         if (dirEndOffset + 4 > dataView.byteLength) {
1570             Roo.log('Invalid Exif data: Invalid directory size.');
1571             return;
1572         }
1573         for (i = 0; i < tagsNumber; i += 1) {
1574             this.parseExifTag(
1575                 dataView,
1576                 tiffOffset,
1577                 dirOffset + 2 + 12 * i, // tag offset
1578                 littleEndian
1579             );
1580         }
1581         // Return the offset to the next directory:
1582         return dataView.getUint32(dirEndOffset, littleEndian);
1583     },
1584
1585     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1586     {
1587         var tag = dataView.getUint16(offset, littleEndian);
1588
1589         this.exif[tag] = this.getExifValue(
1590             dataView,
1591             tiffOffset,
1592             offset,
1593             dataView.getUint16(offset + 2, littleEndian), // tag type
1594             dataView.getUint32(offset + 4, littleEndian), // tag length
1595             littleEndian
1596         );
1597     },
1598
1599     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1600     {
1601         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1602             tagSize,
1603             dataOffset,
1604             values,
1605             i,
1606             str,
1607             c;
1608
1609         if (!tagType) {
1610             Roo.log('Invalid Exif data: Invalid tag type.');
1611             return;
1612         }
1613
1614         tagSize = tagType.size * length;
1615         // Determine if the value is contained in the dataOffset bytes,
1616         // or if the value at the dataOffset is a pointer to the actual data:
1617         dataOffset = tagSize > 4 ?
1618                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1619         if (dataOffset + tagSize > dataView.byteLength) {
1620             Roo.log('Invalid Exif data: Invalid data offset.');
1621             return;
1622         }
1623         if (length === 1) {
1624             return tagType.getValue(dataView, dataOffset, littleEndian);
1625         }
1626         values = [];
1627         for (i = 0; i < length; i += 1) {
1628             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1629         }
1630
1631         if (tagType.ascii) {
1632             str = '';
1633             // Concatenate the chars:
1634             for (i = 0; i < values.length; i += 1) {
1635                 c = values[i];
1636                 // Ignore the terminating NULL byte(s):
1637                 if (c === '\u0000') {
1638                     break;
1639                 }
1640                 str += c;
1641             }
1642             return str;
1643         }
1644         return values;
1645     }
1646
1647 });
1648
1649 Roo.apply(Roo.dialog.UploadCropbox, {
1650     tags : {
1651         'Orientation': 0x0112
1652     },
1653
1654     Orientation: {
1655             1: 0, //'top-left',
1656 //            2: 'top-right',
1657             3: 180, //'bottom-right',
1658 //            4: 'bottom-left',
1659 //            5: 'left-top',
1660             6: 90, //'right-top',
1661 //            7: 'right-bottom',
1662             8: 270 //'left-bottom'
1663     },
1664
1665     exifTagTypes : {
1666         // byte, 8-bit unsigned int:
1667         1: {
1668             getValue: function (dataView, dataOffset) {
1669                 return dataView.getUint8(dataOffset);
1670             },
1671             size: 1
1672         },
1673         // ascii, 8-bit byte:
1674         2: {
1675             getValue: function (dataView, dataOffset) {
1676                 return String.fromCharCode(dataView.getUint8(dataOffset));
1677             },
1678             size: 1,
1679             ascii: true
1680         },
1681         // short, 16 bit int:
1682         3: {
1683             getValue: function (dataView, dataOffset, littleEndian) {
1684                 return dataView.getUint16(dataOffset, littleEndian);
1685             },
1686             size: 2
1687         },
1688         // long, 32 bit int:
1689         4: {
1690             getValue: function (dataView, dataOffset, littleEndian) {
1691                 return dataView.getUint32(dataOffset, littleEndian);
1692             },
1693             size: 4
1694         },
1695         // rational = two long values, first is numerator, second is denominator:
1696         5: {
1697             getValue: function (dataView, dataOffset, littleEndian) {
1698                 return dataView.getUint32(dataOffset, littleEndian) /
1699                     dataView.getUint32(dataOffset + 4, littleEndian);
1700             },
1701             size: 8
1702         },
1703         // slong, 32 bit signed int:
1704         9: {
1705             getValue: function (dataView, dataOffset, littleEndian) {
1706                 return dataView.getInt32(dataOffset, littleEndian);
1707             },
1708             size: 4
1709         },
1710         // srational, two slongs, first is numerator, second is denominator:
1711         10: {
1712             getValue: function (dataView, dataOffset, littleEndian) {
1713                 return dataView.getInt32(dataOffset, littleEndian) /
1714                     dataView.getInt32(dataOffset + 4, littleEndian);
1715             },
1716             size: 8
1717         }
1718     },
1719
1720     footer : {
1721         STANDARD : [
1722             {
1723                 tag : 'div',
1724                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1725                 action : 'rotate-left',
1726                 cn : [
1727                     {
1728                         tag : 'button',
1729                         cls : 'btn btn-default',
1730                         html : '<i class="fa fa-undo"></i>'
1731                     }
1732                 ]
1733             },
1734             {
1735                 tag : 'div',
1736                 cls : 'btn-group roo-upload-cropbox-picture',
1737                 action : 'picture',
1738                 cn : [
1739                     {
1740                         tag : 'button',
1741                         cls : 'btn btn-default',
1742                         html : '<i class="fa fa-picture-o"></i>'
1743                     }
1744                 ]
1745             },
1746             {
1747                 tag : 'div',
1748                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1749                 action : 'rotate-right',
1750                 cn : [
1751                     {
1752                         tag : 'button',
1753                         cls : 'btn btn-default',
1754                         html : '<i class="fa fa-repeat"></i>'
1755                     }
1756                 ]
1757             }
1758         ],
1759         DOCUMENT : [
1760             {
1761                 tag : 'div',
1762                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1763                 action : 'rotate-left',
1764                 cn : [
1765                     {
1766                         tag : 'button',
1767                         cls : 'btn btn-default',
1768                         html : '<i class="fa fa-undo"></i>'
1769                     }
1770                 ]
1771             },
1772             {
1773                 tag : 'div',
1774                 cls : 'btn-group roo-upload-cropbox-download',
1775                 action : 'download',
1776                 cn : [
1777                     {
1778                         tag : 'button',
1779                         cls : 'btn btn-default',
1780                         html : '<i class="fa fa-download"></i>'
1781                     }
1782                 ]
1783             },
1784             {
1785                 tag : 'div',
1786                 cls : 'btn-group roo-upload-cropbox-crop',
1787                 action : 'crop',
1788                 cn : [
1789                     {
1790                         tag : 'button',
1791                         cls : 'btn btn-default',
1792                         html : '<i class="fa fa-crop"></i>'
1793                     }
1794                 ]
1795             },
1796             {
1797                 tag : 'div',
1798                 cls : 'btn-group roo-upload-cropbox-trash',
1799                 action : 'trash',
1800                 cn : [
1801                     {
1802                         tag : 'button',
1803                         cls : 'btn btn-default',
1804                         html : '<i class="fa fa-trash"></i>'
1805                     }
1806                 ]
1807             },
1808             {
1809                 tag : 'div',
1810                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1811                 action : 'rotate-right',
1812                 cn : [
1813                     {
1814                         tag : 'button',
1815                         cls : 'btn btn-default',
1816                         html : '<i class="fa fa-repeat"></i>'
1817                     }
1818                 ]
1819             }
1820         ],
1821         ROTATOR : [
1822             {
1823                 tag : 'div',
1824                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1825                 action : 'rotate-left',
1826                 cn : [
1827                     {
1828                         tag : 'button',
1829                         cls : 'btn btn-default',
1830                         html : '<i class="fa fa-undo"></i>'
1831                     }
1832                 ]
1833             },
1834             {
1835                 tag : 'div',
1836                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1837                 action : 'rotate-right',
1838                 cn : [
1839                     {
1840                         tag : 'button',
1841                         cls : 'btn btn-default',
1842                         html : '<i class="fa fa-repeat"></i>'
1843                     }
1844                 ]
1845             }
1846         ]
1847     }
1848 });