git.roojs.org Git - roojs1/blob - Roo/dialog/UploadCropbox.js

   1
   2 /*
   3 * Licence: LGPL
   4 */
   5
   6 /**
   7  * @class Roo.dialog.UploadCropbox
   8  * @extends Roo.BoxComponent
   9  * Dialog UploadCropbox class
  10  * @cfg {String} emptyText show when image has been loaded
  11  * @cfg {String} rotateNotify show when image too small to rotate
  12  * @cfg {Number} errorTimeout default 3000
  13  * @cfg {Number} minWidth default 300
  14  * @cfg {Number} minHeight default 300
  15  * @cfg {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
  16  * @cfg {Boolean} isDocument (true|false) default false
  17  * @cfg {String} url action url
  18  * @cfg {String} paramName default 'imageUpload'
  19  * @cfg {String} method default POST
  20  * @cfg {Boolean} loadMask (true|false) default true
  21  * @cfg {Boolean} loadingText default 'Loading...'
  22  *
  23  * @constructor
  24  * Create a new UploadCropbox
  25  * @param {Object} config The config object
  26  */
  27
  28  Roo.dialog.UploadCropbox = function(config){
  29     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  30
  31     this.addEvents({
  32         /**
  33          * @event beforeselectfile
  34          * Fire before select file
  35          * @param {Roo.dialog.UploadCropbox} this
  36          */
  37         "beforeselectfile" : true,
  38         /**
  39          * @event initial
  40          * Fire after initEvent
  41          * @param {Roo.dialog.UploadCropbox} this
  42          */
  43         "initial" : true,
  44         /**
  45          * @event crop
  46          * Fire after initEvent
  47          * @param {Roo.dialog.UploadCropbox} this
  48          * @param {String} data
  49          */
  50         "crop" : true,
  51         /**
  52          * @event prepare
  53          * Fire when preparing the file data
  54          * @param {Roo.dialog.UploadCropbox} this
  55          * @param {Object} file
  56          */
  57         "prepare" : true,
  58         /**
  59          * @event exception
  60          * Fire when get exception
  61          * @param {Roo.dialog.UploadCropbox} this
  62          * @param {XMLHttpRequest} xhr
  63          */
  64         "exception" : true,
  65         /**
  66          * @event beforeloadcanvas
  67          * Fire before load the canvas
  68          * @param {Roo.dialog.UploadCropbox} this
  69          * @param {String} src
  70          */
  71         "beforeloadcanvas" : true,
  72         /**
  73          * @event trash
  74          * Fire when trash image
  75          * @param {Roo.dialog.UploadCropbox} this
  76          */
  77         "trash" : true,
  78         /**
  79          * @event download
  80          * Fire when download the image
  81          * @param {Roo.dialog.UploadCropbox} this
  82          */
  83         "download" : true,
  84         /**
  85          * @event footerbuttonclick
  86          * Fire when footerbuttonclick
  87          * @param {Roo.dialog.UploadCropbox} this
  88          * @param {String} type
  89          */
  90         "footerbuttonclick" : true,
  91         /**
  92          * @event resize
  93          * Fire when resize
  94          * @param {Roo.dialog.UploadCropbox} this
  95          */
  96         "resize" : true,
  97         /**
  98          * @event rotate
  99          * Fire when rotate the image
 100          * @param {Roo.dialog.UploadCropbox} this
 101          * @param {String} pos
 102          */
 103         "rotate" : true,
 104         /**
 105          * @event inspect
 106          * Fire when inspect the file
 107          * @param {Roo.dialog.UploadCropbox} this
 108          * @param {Object} file
 109          */
 110         "inspect" : true,
 111         /**
 112          * @event upload
 113          * Fire when xhr upload the file
 114          * @param {Roo.dialog.UploadCropbox} this
 115          * @param {Object} data
 116          */
 117         "upload" : true,
 118         /**
 119          * @event arrange
 120          * Fire when arrange the file data
 121          * @param {Roo.dialog.UploadCropbox} this
 122          * @param {Object} formData
 123          */
 124         "arrange" : true,
 125         /**
 126          * @event loadcanvas
 127          * Fire after load the canvas
 128          * @param {Roo.dialog.UploadCropbox}
 129          * @param {Object} imgEl
 130          */
 131         "loadcanvas" : true
 132     });
 133
 134     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 135 };
 136
 137 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 138
 139     emptyText : 'Click to upload image',
 140     rotateNotify : 'Image is too small to rotate',
 141     errorTimeout : 3000,
 142     scale : 0,
 143     baseScale : 1,
 144     rotate : 0,
 145     dragable : false,
 146     pinching : false,
 147     mouseX : 0,
 148     mouseY : 0,
 149     cropData : false,
 150     minWidth : 300,
 151     minHeight : 300,
 152     file : false,
 153     exif : {},
 154     baseRotate : 1,
 155     cropType : 'image/jpeg',
 156     buttons : false,
 157     canvasLoaded : false,
 158     isDocument : false,
 159     method : 'POST',
 160     paramName : 'imageUpload',
 161     loadMask : true,
 162     loadingText : 'Loading...',
 163     maskEl : false,
 164
 165     getAutoCreate : function()
 166     {
 167         var cfg = {
 168             tag : 'div',
 169             cls : 'roo-upload-cropbox',
 170             cn : [
 171                 {
 172                     tag : 'input',
 173                     cls : 'roo-upload-cropbox-selector',
 174                     type : 'file'
 175                 },
 176                 {
 177                     tag : 'div',
 178                     cls : 'roo-upload-cropbox-body',
 179                     style : 'cursor:pointer',
 180                     cn : [
 181                         {
 182                             tag : 'div',
 183                             cls : 'roo-upload-cropbox-preview'
 184                         },
 185                         {
 186                             tag : 'div',
 187                             cls : 'roo-upload-cropbox-thumb'
 188                         },
 189                         {
 190                             tag : 'div',
 191                             cls : 'roo-upload-cropbox-empty-notify',
 192                             html : this.emptyText
 193                         },
 194                         {
 195                             tag : 'div',
 196                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 197                             html : this.rotateNotify
 198                         }
 199                     ]
 200                 },
 201                 {
 202                     tag : 'div',
 203                     cls : 'roo-upload-cropbox-footer',
 204                     cn : {
 205                         tag : 'div',
 206                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 207                         cn : []
 208                     }
 209                 }
 210             ]
 211         };
 212
 213         return cfg;
 214     },
 215
 216     onRender : function(ct, position)
 217     {
 218         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 219
 220         if(this.el){
 221             if (this.el.attr('xtype')) {
 222                 this.el.attr('xtypex', this.el.attr('xtype'));
 223                 this.el.dom.removeAttribute('xtype');
 224
 225                 this.initEvents();
 226             }
 227         }
 228         else {
 229             var cfg = Roo.apply({},  this.getAutoCreate());
 230
 231             cfg.id = this.id || Roo.id();
 232
 233             if (this.cls) {
 234                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 235             }
 236
 237             if (this.style) { // fixme needs to support more complex style data.
 238                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 239             }
 240
 241             this.el = ct.createChild(cfg, position);
 242
 243             this.initEvents();
 244         }
 245
 246         if (this.buttons.length) {
 247
 248             Roo.each(this.buttons, function(bb) {
 249
 250                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 251
 252                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 253
 254             }, this);
 255         }
 256
 257         if(this.loadMask){
 258             this.maskEl = this.el;
 259         }
 260     },
 261
 262     initEvents : function()
 263     {
 264         this.urlAPI = (window.createObjectURL && window) ||
 265                                 (window.URL && URL.revokeObjectURL && URL) ||
 266                                 (window.webkitURL && webkitURL);
 267
 268         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 269         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 270
 271         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 272         this.selectorEl.hide();
 273
 274         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 275         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 276
 277         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 278         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 279         this.thumbEl.hide();
 280
 281         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 282         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 283
 284         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 285         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 286         this.errorEl.hide();
 287
 288         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 289         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 290         this.footerEl.hide();
 291
 292         this.setThumbBoxSize();
 293
 294         this.bind();
 295
 296         this.resize();
 297
 298         this.fireEvent('initial', this);
 299     },
 300
 301     bind : function()
 302     {
 303         var _this = this;
 304
 305         window.addEventListener("resize", function() { _this.resize(); } );
 306
 307         this.bodyEl.on('click', this.beforeSelectFile, this);
 308
 309         if(Roo.isTouch){
 310             this.bodyEl.on('touchstart', this.onTouchStart, this);
 311             this.bodyEl.on('touchmove', this.onTouchMove, this);
 312             this.bodyEl.on('touchend', this.onTouchEnd, this);
 313         }
 314
 315         if(!Roo.isTouch){
 316             this.bodyEl.on('mousedown', this.onMouseDown, this);
 317             this.bodyEl.on('mousemove', this.onMouseMove, this);
 318             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 319             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 320             Roo.get(document).on('mouseup', this.onMouseUp, this);
 321         }
 322
 323         this.selectorEl.on('change', this.onFileSelected, this);
 324     },
 325
 326     reset : function()
 327     {
 328         this.scale = 0;
 329         this.baseScale = 1;
 330         this.rotate = 0;
 331         this.baseRotate = 1;
 332         this.dragable = false;
 333         this.pinching = false;
 334         this.mouseX = 0;
 335         this.mouseY = 0;
 336         this.cropData = false;
 337         this.notifyEl.dom.innerHTML = this.emptyText;
 338
 339         // this.selectorEl.dom.value = '';
 340
 341     },
 342
 343     resize : function()
 344     {
 345         if(this.fireEvent('resize', this) != false){
 346             this.setThumbBoxPosition();
 347             this.setCanvasPosition();
 348         }
 349     },
 350
 351     onFooterButtonClick : function(e, el, o, type)
 352     {
 353         switch (type) {
 354             case 'rotate-left' :
 355                 this.onRotateLeft(e);
 356                 break;
 357             case 'rotate-right' :
 358                 this.onRotateRight(e);
 359                 break;
 360             case 'picture' :
 361                 this.beforeSelectFile(e);
 362                 break;
 363             case 'trash' :
 364                 this.trash(e);
 365                 break;
 366             case 'crop' :
 367                 this.crop(e);
 368                 break;
 369             case 'download' :
 370                 this.download(e);
 371                 break;
 372             default :
 373                 break;
 374         }
 375
 376         this.fireEvent('footerbuttonclick', this, type);
 377     },
 378
 379     beforeSelectFile : function(e)
 380     {
 381         e.preventDefault();
 382
 383         if(this.fireEvent('beforeselectfile', this) != false){
 384             this.selectorEl.dom.click();
 385         }
 386     },
 387
 388     onFileSelected : function(e)
 389     {
 390         console.log("ON FILE SELECTED");
 391         e.preventDefault();
 392
 393         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 394             return;
 395         }
 396
 397         var file = this.selectorEl.dom.files[0];
 398
 399         if(this.fireEvent('inspect', this, file) != false){
 400             this.prepare(file);
 401         }
 402
 403     },
 404
 405     trash : function(e)
 406     {
 407         this.fireEvent('trash', this);
 408     },
 409
 410     download : function(e)
 411     {
 412         this.fireEvent('download', this);
 413     },
 414
 415     loadCanvas : function(src)
 416     {
 417         console.log("LOAD CANVAS");
 418         console.log(src);
 419         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 420
 421             this.reset();
 422
 423             this.imageEl = document.createElement('img');
 424
 425             var _this = this;
 426
 427             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 428
 429             this.imageEl.src = src;
 430         }
 431     },
 432
 433     onLoadCanvas : function()
 434     {
 435         console.log("ON LOAD CANVAS");
 436         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 437         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 438
 439         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 440
 441             this.bodyEl.un('click', this.beforeSelectFile, this);
 442
 443             this.notifyEl.hide();
 444             this.thumbEl.show();
 445             this.footerEl.show();
 446
 447             this.baseRotateLevel();
 448
 449             if(this.isDocument){
 450                 this.setThumbBoxSize();
 451             }
 452
 453             this.setThumbBoxPosition();
 454
 455             this.baseScaleLevel();
 456
 457             this.draw();
 458
 459             this.resize();
 460
 461             this.canvasLoaded = true;
 462
 463         }
 464
 465         if(this.loadMask){
 466             this.maskEl.unmask();
 467         }
 468
 469     },
 470
 471     setCanvasPosition : function()
 472     {
 473         console.log("SET CANVAS POSITION");
 474         if(!this.canvasEl){
 475             return;
 476         }
 477
 478         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 479         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 480
 481         this.previewEl.setLeft(pw);
 482         this.previewEl.setTop(ph);
 483
 484     },
 485
 486     onMouseDown : function(e)
 487     {
 488         console.log("ON MOUSE DOWN");
 489         e.stopEvent();
 490
 491         this.dragable = true;
 492         this.pinching = false;
 493
 494         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 495             this.dragable = false;
 496             return;
 497         }
 498
 499         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 500         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 501
 502     },
 503
 504     onMouseMove : function(e)
 505     {
 506         console.log ("ON MOUSE MOVE");
 507         e.stopEvent();
 508
 509         if(!this.canvasLoaded){
 510             return;
 511         }
 512
 513         if (!this.dragable){
 514             return;
 515         }
 516
 517         var minX = Math.ceil(this.thumbEl.getLeft(true));
 518         var minY = Math.ceil(this.thumbEl.getTop(true));
 519
 520         console.log("minX");
 521         console.log(minX);
 522         console.log("minY");
 523         console.log(minY);
 524
 525         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 526         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 527
 528         console.log("maxX");
 529         console.log(maxX);
 530         console.log("maxY");
 531         console.log(maxY);
 532
 533         if(minX < maxX && minY < maxY) {
 534             return;
 535         }
 536
 537         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 538         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 539
 540         x = x - this.mouseX;
 541         y = y - this.mouseY;
 542
 543         console.log("MOVE LEFT / RIGHT");
 544         console.log(x);
 545         console.log("MOVE UP / DOWN");
 546         console.log(y);
 547
 548         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 549         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 550
 551         console.log("bgX");
 552         console.log(bgX);
 553         console.log("bgY");
 554         console.log(bgY);
 555
 556         bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
 557         bgY = (minY > bgY) ? minY : ((maxY < bgY) ? maxY : bgY);
 558
 559         this.previewEl.setLeft(bgX);
 560         this.previewEl.setTop(bgY);
 561
 562         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 563         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 564     },
 565
 566     onMouseUp : function(e)
 567     {
 568         e.stopEvent();
 569
 570         this.dragable = false;
 571     },
 572
 573     onMouseWheel : function(e)
 574     {
 575         e.stopEvent();
 576
 577         this.startScale = this.scale;
 578         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 579         if(!this.zoomable()){
 580             this.scale = this.startScale;
 581             return;
 582         }
 583
 584         this.draw();
 585
 586         return;
 587     },
 588
 589     zoomable : function()
 590     {
 591         var minScale = this.thumbEl.getWidth() / this.minWidth;
 592
 593         if(this.minWidth < this.minHeight){
 594             minScale = this.thumbEl.getHeight() / this.minHeight;
 595         }
 596
 597         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 598         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 599
 600         var maxWidth = this.imageEl.OriginWidth;
 601         var maxHeight = this.imageEl.OriginHeight;
 602
 603         if(
 604                 this.isDocument &&
 605                 (this.rotate == 0 || this.rotate == 180) &&
 606                 (
 607                     width > this.imageEl.OriginWidth ||
 608                     height > this.imageEl.OriginHeight ||
 609                     (width < this.minWidth && height < this.minHeight)
 610                 )
 611         ){
 612             return false;
 613         }
 614
 615         if(
 616                 this.isDocument &&
 617                 (this.rotate == 90 || this.rotate == 270) &&
 618                 (
 619                     width > this.imageEl.OriginWidth ||
 620                     height > this.imageEl.OriginHeight ||
 621                     (width < this.minHeight && height < this.minWidth)
 622                 )
 623         ){
 624             return false;
 625         }
 626
 627         if(
 628                 !this.isDocument &&
 629                 (this.rotate == 0 || this.rotate == 180) &&
 630                 (
 631                     width < this.minWidth ||
 632                     height < this.minHeight ||
 633                     width > maxWidth ||
 634                     height > maxHeight
 635                 )
 636         ){
 637             return false;
 638         }
 639
 640         if(
 641                 !this.isDocument &&
 642                 (this.rotate == 90 || this.rotate == 270) &&
 643                 (
 644                     width < this.minHeight ||
 645                     width > this.imageEl.OriginWidth ||
 646                     height < this.minWidth ||
 647                     height > this.imageEl.OriginHeight
 648                 )
 649         ){
 650             return false;
 651         }
 652
 653         return true;
 654
 655     },
 656
 657     onRotateLeft : function(e)
 658     {
 659         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 660
 661             var minScale = this.thumbEl.getWidth() / this.minWidth;
 662
 663             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 664             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 665
 666             this.startScale = this.scale;
 667
 668             while (this.getScaleLevel() < minScale){
 669
 670                 this.scale = this.scale + 1;
 671
 672                 if(!this.zoomable()){
 673                     break;
 674                 }
 675
 676                 if(
 677                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 678                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 679                 ){
 680                     continue;
 681                 }
 682
 683                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 684
 685                 this.draw();
 686
 687                 return;
 688             }
 689
 690             this.scale = this.startScale;
 691
 692             this.onRotateFail();
 693
 694             return false;
 695         }
 696
 697         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 698
 699         if(this.isDocument){
 700             this.setThumbBoxSize();
 701             this.setThumbBoxPosition();
 702             this.setCanvasPosition();
 703         }
 704
 705         this.draw();
 706
 707         this.fireEvent('rotate', this, 'left');
 708
 709     },
 710
 711     onRotateRight : function(e)
 712     {
 713         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 714
 715             var minScale = this.thumbEl.getWidth() / this.minWidth;
 716
 717             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 718             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 719
 720             this.startScale = this.scale;
 721
 722             while (this.getScaleLevel() < minScale){
 723
 724                 this.scale = this.scale + 1;
 725
 726                 if(!this.zoomable()){
 727                     break;
 728                 }
 729
 730                 if(
 731                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 732                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 733                 ){
 734                     continue;
 735                 }
 736
 737                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 738
 739                 this.draw();
 740
 741                 return;
 742             }
 743
 744             this.scale = this.startScale;
 745
 746             this.onRotateFail();
 747
 748             return false;
 749         }
 750
 751         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 752
 753         if(this.isDocument){
 754             this.setThumbBoxSize();
 755             this.setThumbBoxPosition();
 756             this.setCanvasPosition();
 757         }
 758
 759         this.draw();
 760
 761         this.fireEvent('rotate', this, 'right');
 762     },
 763
 764     onRotateFail : function()
 765     {
 766         this.errorEl.show(true);
 767
 768         var _this = this;
 769
 770         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 771     },
 772
 773     draw : function()
 774     {
 775         console.log("DRAW");
 776         this.previewEl.dom.innerHTML = '';
 777
 778         var canvasEl = document.createElement("canvas");
 779
 780         var contextEl = canvasEl.getContext("2d");
 781
 782         console.log(this.getScaleLevel());
 783
 784         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 785         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 786         var center = this.imageEl.OriginWidth / 2;
 787
 788         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 789             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 790             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 791             center = this.imageEl.OriginHeight / 2;
 792         }
 793
 794         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 795
 796         contextEl.translate(center, center);
 797         contextEl.rotate(this.rotate * Math.PI / 180);
 798
 799         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 800
 801         this.canvasEl = document.createElement("canvas");
 802
 803         this.contextEl = this.canvasEl.getContext("2d");
 804
 805         switch (this.rotate) {
 806             case 0 :
 807
 808                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 809                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 810
 811                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 812
 813                 break;
 814             case 90 :
 815
 816                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 817                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 818
 819                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 820                     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);
 821                     break;
 822                 }
 823
 824                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 825
 826                 break;
 827             case 180 :
 828
 829                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 830                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 831
 832                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 833                     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);
 834                     break;
 835                 }
 836
 837                 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);
 838
 839                 break;
 840             case 270 :
 841
 842                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 843                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 844
 845                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 846                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 847                     break;
 848                 }
 849
 850                 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);
 851
 852                 break;
 853             default :
 854                 break;
 855         }
 856
 857         this.previewEl.appendChild(this.canvasEl);
 858
 859         this.setCanvasPosition();
 860     },
 861
 862     crop : function()
 863     {
 864         if(!this.canvasLoaded){
 865             return;
 866         }
 867
 868         var imageCanvas = document.createElement("canvas");
 869
 870         var imageContext = imageCanvas.getContext("2d");
 871
 872         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 873         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 874
 875         var center = imageCanvas.width / 2;
 876
 877         imageContext.translate(center, center);
 878
 879         imageContext.rotate(this.rotate * Math.PI / 180);
 880
 881         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 882
 883         var canvas = document.createElement("canvas");
 884
 885         var context = canvas.getContext("2d");
 886
 887         canvas.width = this.minWidth;
 888         canvas.height = this.minHeight;
 889
 890         switch (this.rotate) {
 891             case 0 :
 892
 893                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 894                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 895
 896                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 897                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 898
 899                 var targetWidth = this.minWidth - 2 * x;
 900                 var targetHeight = this.minHeight - 2 * y;
 901
 902                 var scale = 1;
 903
 904                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 905                     scale = targetWidth / width;
 906                 }
 907
 908                 if(x > 0 && y == 0){
 909                     scale = targetHeight / height;
 910                 }
 911
 912                 if(x > 0 && y > 0){
 913                     scale = targetWidth / width;
 914
 915                     if(width < height){
 916                         scale = targetHeight / height;
 917                     }
 918                 }
 919
 920                 context.scale(scale, scale);
 921
 922                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 923                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 924
 925                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 926                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 927
 928                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 929
 930                 break;
 931             case 90 :
 932
 933                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 934                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 935
 936                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 937                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 938
 939                 var targetWidth = this.minWidth - 2 * x;
 940                 var targetHeight = this.minHeight - 2 * y;
 941
 942                 var scale = 1;
 943
 944                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 945                     scale = targetWidth / width;
 946                 }
 947
 948                 if(x > 0 && y == 0){
 949                     scale = targetHeight / height;
 950                 }
 951
 952                 if(x > 0 && y > 0){
 953                     scale = targetWidth / width;
 954
 955                     if(width < height){
 956                         scale = targetHeight / height;
 957                     }
 958                 }
 959
 960                 context.scale(scale, scale);
 961
 962                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 963                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 964
 965                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 966                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 967
 968                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 969
 970                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 971
 972                 break;
 973             case 180 :
 974
 975                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 976                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 977
 978                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 979                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 980
 981                 var targetWidth = this.minWidth - 2 * x;
 982                 var targetHeight = this.minHeight - 2 * y;
 983
 984                 var scale = 1;
 985
 986                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 987                     scale = targetWidth / width;
 988                 }
 989
 990                 if(x > 0 && y == 0){
 991                     scale = targetHeight / height;
 992                 }
 993
 994                 if(x > 0 && y > 0){
 995                     scale = targetWidth / width;
 996
 997                     if(width < height){
 998                         scale = targetHeight / height;
 999                     }
1000                 }
1001
1002                 context.scale(scale, scale);
1003
1004                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1005                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1006
1007                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1008                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1009
1010                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1011                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1012
1013                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1014
1015                 break;
1016             case 270 :
1017
1018                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1019                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1020
1021                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1022                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1023
1024                 var targetWidth = this.minWidth - 2 * x;
1025                 var targetHeight = this.minHeight - 2 * y;
1026
1027                 var scale = 1;
1028
1029                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1030                     scale = targetWidth / width;
1031                 }
1032
1033                 if(x > 0 && y == 0){
1034                     scale = targetHeight / height;
1035                 }
1036
1037                 if(x > 0 && y > 0){
1038                     scale = targetWidth / width;
1039
1040                     if(width < height){
1041                         scale = targetHeight / height;
1042                     }
1043                 }
1044
1045                 context.scale(scale, scale);
1046
1047                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1048                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1049
1050                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1051                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1052
1053                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1054
1055                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1056
1057                 break;
1058             default :
1059                 break;
1060         }
1061
1062         this.cropData = canvas.toDataURL(this.cropType);
1063
1064         if(this.fireEvent('crop', this, this.cropData) !== false){
1065             this.process(this.file, this.cropData);
1066         }
1067
1068         return;
1069
1070     },
1071
1072     setThumbBoxSize : function()
1073     {
1074         var width, height;
1075
1076         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1077             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1078             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1079
1080             this.minWidth = width;
1081             this.minHeight = height;
1082
1083             if(this.rotate == 90 || this.rotate == 270){
1084                 this.minWidth = height;
1085                 this.minHeight = width;
1086             }
1087         }
1088
1089         height = 300;
1090         width = Math.ceil(this.minWidth * height / this.minHeight);
1091
1092         if(this.minWidth > this.minHeight){
1093             width = 300;
1094             height = Math.ceil(this.minHeight * width / this.minWidth);
1095         }
1096
1097         this.thumbEl.setStyle({
1098             width : width + 'px',
1099             height : height + 'px'
1100         });
1101
1102         return;
1103
1104     },
1105
1106     setThumbBoxPosition : function()
1107     {
1108         console.log("SET THUMBBOX POSITION");
1109         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1110         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1111
1112         this.thumbEl.setLeft(x);
1113         this.thumbEl.setTop(y);
1114
1115     },
1116
1117     baseRotateLevel : function()
1118     {
1119         console.log("BASE ROTATE LEVEL");
1120         this.baseRotate = 1;
1121
1122         if(
1123                 typeof(this.exif) != 'undefined' &&
1124                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1125                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1126         ){
1127             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1128         }
1129
1130         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1131
1132     },
1133
1134     baseScaleLevel : function()
1135     {
1136         console.log("BASE SCALE LEVEL");
1137         var width, height;
1138
1139         if(this.isDocument){
1140
1141             if(this.baseRotate == 6 || this.baseRotate == 8){
1142
1143                 height = this.thumbEl.getHeight();
1144                 this.baseScale = height / this.imageEl.OriginWidth;
1145
1146                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1147                     width = this.thumbEl.getWidth();
1148                     this.baseScale = width / this.imageEl.OriginHeight;
1149                 }
1150
1151                 return;
1152             }
1153
1154             height = this.thumbEl.getHeight();
1155             this.baseScale = height / this.imageEl.OriginHeight;
1156
1157             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1158                 width = this.thumbEl.getWidth();
1159                 this.baseScale = width / this.imageEl.OriginWidth;
1160             }
1161
1162             return;
1163         }
1164
1165         if(this.baseRotate == 6 || this.baseRotate == 8){
1166
1167             width = this.thumbEl.getHeight();
1168             this.baseScale = width / this.imageEl.OriginHeight;
1169
1170             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1171                 height = this.thumbEl.getWidth();
1172                 this.baseScale = height / this.imageEl.OriginHeight;
1173             }
1174
1175             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1176                 height = this.thumbEl.getWidth();
1177                 this.baseScale = height / this.imageEl.OriginHeight;
1178
1179                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1180                     width = this.thumbEl.getHeight();
1181                     this.baseScale = width / this.imageEl.OriginWidth;
1182                 }
1183             }
1184
1185             return;
1186         }
1187
1188         width = this.thumbEl.getWidth();
1189         this.baseScale = width / this.imageEl.OriginWidth;
1190
1191         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1192             height = this.thumbEl.getHeight();
1193             this.baseScale = height / this.imageEl.OriginHeight;
1194         }
1195
1196         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1197
1198             height = this.thumbEl.getHeight();
1199             this.baseScale = height / this.imageEl.OriginHeight;
1200
1201             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1202                 width = this.thumbEl.getWidth();
1203                 this.baseScale = width / this.imageEl.OriginWidth;
1204             }
1205
1206         }
1207
1208         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1209             this.baseScale = width / this.minWidth;
1210         }
1211         console.log(this.baseScale);
1212         return;
1213     },
1214
1215     getScaleLevel : function()
1216     {
1217         return this.baseScale * Math.pow(1.02, this.scale);
1218     },
1219
1220     onTouchStart : function(e)
1221     {
1222         if(!this.canvasLoaded){
1223             this.beforeSelectFile(e);
1224             return;
1225         }
1226
1227         var touches = e.browserEvent.touches;
1228
1229         if(!touches){
1230             return;
1231         }
1232
1233         if(touches.length == 1){
1234             this.onMouseDown(e);
1235             return;
1236         }
1237
1238         if(touches.length != 2){
1239             return;
1240         }
1241
1242         var coords = [];
1243
1244         for(var i = 0, finger; finger = touches[i]; i++){
1245             coords.push(finger.pageX, finger.pageY);
1246         }
1247
1248         var x = Math.pow(coords[0] - coords[2], 2);
1249         var y = Math.pow(coords[1] - coords[3], 2);
1250
1251         this.startDistance = Math.sqrt(x + y);
1252
1253         this.startScale = this.scale;
1254
1255         this.pinching = true;
1256         this.dragable = false;
1257
1258     },
1259
1260     onTouchMove : function(e)
1261     {
1262         if(!this.pinching && !this.dragable){
1263             return;
1264         }
1265
1266         var touches = e.browserEvent.touches;
1267
1268         if(!touches){
1269             return;
1270         }
1271
1272         if(this.dragable){
1273             this.onMouseMove(e);
1274             return;
1275         }
1276
1277         var coords = [];
1278
1279         for(var i = 0, finger; finger = touches[i]; i++){
1280             coords.push(finger.pageX, finger.pageY);
1281         }
1282
1283         var x = Math.pow(coords[0] - coords[2], 2);
1284         var y = Math.pow(coords[1] - coords[3], 2);
1285
1286         this.endDistance = Math.sqrt(x + y);
1287
1288         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1289
1290         if(!this.zoomable()){
1291             this.scale = this.startScale;
1292             return;
1293         }
1294
1295         this.draw();
1296
1297     },
1298
1299     onTouchEnd : function(e)
1300     {
1301         this.pinching = false;
1302         this.dragable = false;
1303
1304     },
1305
1306     process : function(file, crop)
1307     {
1308         if(this.loadMask){
1309             this.maskEl.mask(this.loadingText);
1310         }
1311
1312         this.xhr = new XMLHttpRequest();
1313
1314         file.xhr = this.xhr;
1315
1316         this.xhr.open(this.method, this.url, true);
1317
1318         var headers = {
1319             "Accept": "application/json",
1320             "Cache-Control": "no-cache",
1321             "X-Requested-With": "XMLHttpRequest"
1322         };
1323
1324         for (var headerName in headers) {
1325             var headerValue = headers[headerName];
1326             if (headerValue) {
1327                 this.xhr.setRequestHeader(headerName, headerValue);
1328             }
1329         }
1330
1331         var _this = this;
1332
1333         this.xhr.onload = function()
1334         {
1335             _this.xhrOnLoad(_this.xhr);
1336         }
1337
1338         this.xhr.onerror = function()
1339         {
1340             _this.xhrOnError(_this.xhr);
1341         }
1342
1343         var formData = new FormData();
1344
1345         formData.append('returnHTML', 'NO');
1346
1347         if(crop){
1348             formData.append('crop', crop);
1349         }
1350
1351         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1352             formData.append(this.paramName, file, file.name);
1353         }
1354
1355         if(typeof(file.filename) != 'undefined'){
1356             formData.append('filename', file.filename);
1357         }
1358
1359         if(typeof(file.mimetype) != 'undefined'){
1360             formData.append('mimetype', file.mimetype);
1361         }
1362
1363         if(this.fireEvent('arrange', this, formData) != false){
1364             this.xhr.send(formData);
1365         };
1366     },
1367
1368     xhrOnLoad : function(xhr)
1369     {
1370         if(this.loadMask){
1371             this.maskEl.unmask();
1372         }
1373
1374         if (xhr.readyState !== 4) {
1375             this.fireEvent('exception', this, xhr);
1376             return;
1377         }
1378
1379         var response = Roo.decode(xhr.responseText);
1380
1381         if(!response.success){
1382             this.fireEvent('exception', this, xhr);
1383             return;
1384         }
1385
1386         var response = Roo.decode(xhr.responseText);
1387
1388         this.fireEvent('upload', this, response);
1389
1390     },
1391
1392     xhrOnError : function()
1393     {
1394         if(this.loadMask){
1395             this.maskEl.unmask();
1396         }
1397
1398         Roo.log('xhr on error');
1399
1400         var response = Roo.decode(xhr.responseText);
1401
1402         Roo.log(response);
1403
1404     },
1405
1406     prepare : function(file)
1407     {
1408         console.log("PREPARE");
1409         console.log(file);
1410         if(this.loadMask){
1411             this.maskEl.mask(this.loadingText);
1412         }
1413
1414         this.file = false;
1415         this.exif = {};
1416
1417         if(typeof(file) === 'string'){
1418             this.loadCanvas(file);
1419             return;
1420         }
1421
1422         if(!file || !this.urlAPI){
1423             return;
1424         }
1425
1426         this.file = file;
1427         this.cropType = file.type;
1428
1429         var _this = this;
1430
1431         if(this.fireEvent('prepare', this, this.file) != false){
1432
1433             var reader = new FileReader();
1434
1435             reader.onload = function (e) {
1436                 if (e.target.error) {
1437                     Roo.log(e.target.error);
1438                     return;
1439                 }
1440
1441                 var buffer = e.target.result,
1442                     dataView = new DataView(buffer),
1443                     offset = 2,
1444                     maxOffset = dataView.byteLength - 4,
1445                     markerBytes,
1446                     markerLength;
1447
1448                 if (dataView.getUint16(0) === 0xffd8) {
1449                     while (offset < maxOffset) {
1450                         markerBytes = dataView.getUint16(offset);
1451
1452                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1453                             markerLength = dataView.getUint16(offset + 2) + 2;
1454                             if (offset + markerLength > dataView.byteLength) {
1455                                 Roo.log('Invalid meta data: Invalid segment size.');
1456                                 break;
1457                             }
1458
1459                             if(markerBytes == 0xffe1){
1460                                 _this.parseExifData(
1461                                     dataView,
1462                                     offset,
1463                                     markerLength
1464                                 );
1465                             }
1466
1467                             offset += markerLength;
1468
1469                             continue;
1470                         }
1471
1472                         break;
1473                     }
1474
1475                 }
1476
1477                 var url = _this.urlAPI.createObjectURL(_this.file);
1478
1479                 _this.loadCanvas(url);
1480
1481                 return;
1482             }
1483
1484             reader.readAsArrayBuffer(this.file);
1485
1486         }
1487
1488     },
1489
1490     parseExifData : function(dataView, offset, length)
1491     {
1492         var tiffOffset = offset + 10,
1493             littleEndian,
1494             dirOffset;
1495
1496         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1497             // No Exif data, might be XMP data instead
1498             return;
1499         }
1500
1501         // Check for the ASCII code for "Exif" (0x45786966):
1502         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1503             // No Exif data, might be XMP data instead
1504             return;
1505         }
1506         if (tiffOffset + 8 > dataView.byteLength) {
1507             Roo.log('Invalid Exif data: Invalid segment size.');
1508             return;
1509         }
1510         // Check for the two null bytes:
1511         if (dataView.getUint16(offset + 8) !== 0x0000) {
1512             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1513             return;
1514         }
1515         // Check the byte alignment:
1516         switch (dataView.getUint16(tiffOffset)) {
1517         case 0x4949:
1518             littleEndian = true;
1519             break;
1520         case 0x4D4D:
1521             littleEndian = false;
1522             break;
1523         default:
1524             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1525             return;
1526         }
1527         // Check for the TIFF tag marker (0x002A):
1528         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1529             Roo.log('Invalid Exif data: Missing TIFF marker.');
1530             return;
1531         }
1532         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1533         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1534
1535         this.parseExifTags(
1536             dataView,
1537             tiffOffset,
1538             tiffOffset + dirOffset,
1539             littleEndian
1540         );
1541     },
1542
1543     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1544     {
1545         var tagsNumber,
1546             dirEndOffset,
1547             i;
1548         if (dirOffset + 6 > dataView.byteLength) {
1549             Roo.log('Invalid Exif data: Invalid directory offset.');
1550             return;
1551         }
1552         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1553         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1554         if (dirEndOffset + 4 > dataView.byteLength) {
1555             Roo.log('Invalid Exif data: Invalid directory size.');
1556             return;
1557         }
1558         for (i = 0; i < tagsNumber; i += 1) {
1559             this.parseExifTag(
1560                 dataView,
1561                 tiffOffset,
1562                 dirOffset + 2 + 12 * i, // tag offset
1563                 littleEndian
1564             );
1565         }
1566         // Return the offset to the next directory:
1567         return dataView.getUint32(dirEndOffset, littleEndian);
1568     },
1569
1570     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1571     {
1572         var tag = dataView.getUint16(offset, littleEndian);
1573
1574         this.exif[tag] = this.getExifValue(
1575             dataView,
1576             tiffOffset,
1577             offset,
1578             dataView.getUint16(offset + 2, littleEndian), // tag type
1579             dataView.getUint32(offset + 4, littleEndian), // tag length
1580             littleEndian
1581         );
1582     },
1583
1584     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1585     {
1586         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1587             tagSize,
1588             dataOffset,
1589             values,
1590             i,
1591             str,
1592             c;
1593
1594         if (!tagType) {
1595             Roo.log('Invalid Exif data: Invalid tag type.');
1596             return;
1597         }
1598
1599         tagSize = tagType.size * length;
1600         // Determine if the value is contained in the dataOffset bytes,
1601         // or if the value at the dataOffset is a pointer to the actual data:
1602         dataOffset = tagSize > 4 ?
1603                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1604         if (dataOffset + tagSize > dataView.byteLength) {
1605             Roo.log('Invalid Exif data: Invalid data offset.');
1606             return;
1607         }
1608         if (length === 1) {
1609             return tagType.getValue(dataView, dataOffset, littleEndian);
1610         }
1611         values = [];
1612         for (i = 0; i < length; i += 1) {
1613             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1614         }
1615
1616         if (tagType.ascii) {
1617             str = '';
1618             // Concatenate the chars:
1619             for (i = 0; i < values.length; i += 1) {
1620                 c = values[i];
1621                 // Ignore the terminating NULL byte(s):
1622                 if (c === '\u0000') {
1623                     break;
1624                 }
1625                 str += c;
1626             }
1627             return str;
1628         }
1629         return values;
1630     }
1631
1632 });
1633
1634 Roo.apply(Roo.dialog.UploadCropbox, {
1635     tags : {
1636         'Orientation': 0x0112
1637     },
1638
1639     Orientation: {
1640             1: 0, //'top-left',
1641 //            2: 'top-right',
1642             3: 180, //'bottom-right',
1643 //            4: 'bottom-left',
1644 //            5: 'left-top',
1645             6: 90, //'right-top',
1646 //            7: 'right-bottom',
1647             8: 270 //'left-bottom'
1648     },
1649
1650     exifTagTypes : {
1651         // byte, 8-bit unsigned int:
1652         1: {
1653             getValue: function (dataView, dataOffset) {
1654                 return dataView.getUint8(dataOffset);
1655             },
1656             size: 1
1657         },
1658         // ascii, 8-bit byte:
1659         2: {
1660             getValue: function (dataView, dataOffset) {
1661                 return String.fromCharCode(dataView.getUint8(dataOffset));
1662             },
1663             size: 1,
1664             ascii: true
1665         },
1666         // short, 16 bit int:
1667         3: {
1668             getValue: function (dataView, dataOffset, littleEndian) {
1669                 return dataView.getUint16(dataOffset, littleEndian);
1670             },
1671             size: 2
1672         },
1673         // long, 32 bit int:
1674         4: {
1675             getValue: function (dataView, dataOffset, littleEndian) {
1676                 return dataView.getUint32(dataOffset, littleEndian);
1677             },
1678             size: 4
1679         },
1680         // rational = two long values, first is numerator, second is denominator:
1681         5: {
1682             getValue: function (dataView, dataOffset, littleEndian) {
1683                 return dataView.getUint32(dataOffset, littleEndian) /
1684                     dataView.getUint32(dataOffset + 4, littleEndian);
1685             },
1686             size: 8
1687         },
1688         // slong, 32 bit signed int:
1689         9: {
1690             getValue: function (dataView, dataOffset, littleEndian) {
1691                 return dataView.getInt32(dataOffset, littleEndian);
1692             },
1693             size: 4
1694         },
1695         // srational, two slongs, first is numerator, second is denominator:
1696         10: {
1697             getValue: function (dataView, dataOffset, littleEndian) {
1698                 return dataView.getInt32(dataOffset, littleEndian) /
1699                     dataView.getInt32(dataOffset + 4, littleEndian);
1700             },
1701             size: 8
1702         }
1703     },
1704
1705     footer : {
1706         STANDARD : [
1707             {
1708                 tag : 'div',
1709                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1710                 action : 'rotate-left',
1711                 cn : [
1712                     {
1713                         tag : 'button',
1714                         cls : 'btn btn-default',
1715                         html : '<i class="fa fa-undo"></i>'
1716                     }
1717                 ]
1718             },
1719             {
1720                 tag : 'div',
1721                 cls : 'btn-group roo-upload-cropbox-picture',
1722                 action : 'picture',
1723                 cn : [
1724                     {
1725                         tag : 'button',
1726                         cls : 'btn btn-default',
1727                         html : '<i class="fa fa-picture-o"></i>'
1728                     }
1729                 ]
1730             },
1731             {
1732                 tag : 'div',
1733                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1734                 action : 'rotate-right',
1735                 cn : [
1736                     {
1737                         tag : 'button',
1738                         cls : 'btn btn-default',
1739                         html : '<i class="fa fa-repeat"></i>'
1740                     }
1741                 ]
1742             }
1743         ],
1744         DOCUMENT : [
1745             {
1746                 tag : 'div',
1747                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1748                 action : 'rotate-left',
1749                 cn : [
1750                     {
1751                         tag : 'button',
1752                         cls : 'btn btn-default',
1753                         html : '<i class="fa fa-undo"></i>'
1754                     }
1755                 ]
1756             },
1757             {
1758                 tag : 'div',
1759                 cls : 'btn-group roo-upload-cropbox-download',
1760                 action : 'download',
1761                 cn : [
1762                     {
1763                         tag : 'button',
1764                         cls : 'btn btn-default',
1765                         html : '<i class="fa fa-download"></i>'
1766                     }
1767                 ]
1768             },
1769             {
1770                 tag : 'div',
1771                 cls : 'btn-group roo-upload-cropbox-crop',
1772                 action : 'crop',
1773                 cn : [
1774                     {
1775                         tag : 'button',
1776                         cls : 'btn btn-default',
1777                         html : '<i class="fa fa-crop"></i>'
1778                     }
1779                 ]
1780             },
1781             {
1782                 tag : 'div',
1783                 cls : 'btn-group roo-upload-cropbox-trash',
1784                 action : 'trash',
1785                 cn : [
1786                     {
1787                         tag : 'button',
1788                         cls : 'btn btn-default',
1789                         html : '<i class="fa fa-trash"></i>'
1790                     }
1791                 ]
1792             },
1793             {
1794                 tag : 'div',
1795                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1796                 action : 'rotate-right',
1797                 cn : [
1798                     {
1799                         tag : 'button',
1800                         cls : 'btn btn-default',
1801                         html : '<i class="fa fa-repeat"></i>'
1802                     }
1803                 ]
1804             }
1805         ],
1806         ROTATOR : [
1807             {
1808                 tag : 'div',
1809                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1810                 action : 'rotate-left',
1811                 cn : [
1812                     {
1813                         tag : 'button',
1814                         cls : 'btn btn-default',
1815                         html : '<i class="fa fa-undo"></i>'
1816                     }
1817                 ]
1818             },
1819             {
1820                 tag : 'div',
1821                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1822                 action : 'rotate-right',
1823                 cn : [
1824                     {
1825                         tag : 'button',
1826                         cls : 'btn btn-default',
1827                         html : '<i class="fa fa-repeat"></i>'
1828                     }
1829                 ]
1830             }
1831         ]
1832     }
1833 });