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         console.log("On Render");
 219         console.log(this);
 220         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 221
 222         if(this.el){
 223             if (this.el.attr('xtype')) {
 224                 this.el.attr('xtypex', this.el.attr('xtype'));
 225                 this.el.dom.removeAttribute('xtype');
 226
 227                 this.initEvents();
 228             }
 229         }
 230         else {
 231             var cfg = Roo.apply({},  this.getAutoCreate());
 232
 233             cfg.id = this.id || Roo.id();
 234
 235             if (this.cls) {
 236                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 237             }
 238
 239             if (this.style) { // fixme needs to support more complex style data.
 240                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 241             }
 242
 243             this.el = ct.createChild(cfg, position);
 244
 245             this.initEvents();
 246         }
 247
 248         if (this.buttons.length) {
 249
 250             Roo.each(this.buttons, function(bb) {
 251
 252                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 253
 254                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 255
 256             }, this);
 257         }
 258
 259         if(this.loadMask){
 260             this.maskEl = this.el;
 261         }
 262     },
 263
 264     initEvents : function()
 265     {
 266         this.urlAPI = (window.createObjectURL && window) ||
 267                                 (window.URL && URL.revokeObjectURL && URL) ||
 268                                 (window.webkitURL && webkitURL);
 269
 270         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 271         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 272
 273         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 274         this.selectorEl.hide();
 275
 276         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 277         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 278
 279         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 280         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 281         this.thumbEl.hide();
 282
 283         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 284         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 285
 286         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 287         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 288         this.errorEl.hide();
 289
 290         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 291         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 292         this.footerEl.hide();
 293
 294         this.setThumbBoxSize();
 295
 296         this.bind();
 297
 298         this.resize();
 299
 300         this.fireEvent('initial', this);
 301     },
 302
 303     bind : function()
 304     {
 305         var _this = this;
 306
 307         window.addEventListener("resize", function() { _this.resize(); } );
 308
 309         this.bodyEl.on('click', this.beforeSelectFile, this);
 310
 311         if(Roo.isTouch){
 312             this.bodyEl.on('touchstart', this.onTouchStart, this);
 313             this.bodyEl.on('touchmove', this.onTouchMove, this);
 314             this.bodyEl.on('touchend', this.onTouchEnd, this);
 315         }
 316
 317         if(!Roo.isTouch){
 318             this.bodyEl.on('mousedown', this.onMouseDown, this);
 319             this.bodyEl.on('mousemove', this.onMouseMove, this);
 320             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 321             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 322             Roo.get(document).on('mouseup', this.onMouseUp, this);
 323         }
 324
 325         this.selectorEl.on('change', this.onFileSelected, this);
 326     },
 327
 328     reset : function()
 329     {
 330         this.scale = 0;
 331         this.baseScale = 1;
 332         this.rotate = 0;
 333         this.baseRotate = 1;
 334         this.dragable = false;
 335         this.pinching = false;
 336         this.mouseX = 0;
 337         this.mouseY = 0;
 338         this.cropData = false;
 339         this.notifyEl.dom.innerHTML = this.emptyText;
 340
 341         // this.selectorEl.dom.value = '';
 342
 343     },
 344
 345     resize : function()
 346     {
 347         if(this.fireEvent('resize', this) != false){
 348             this.setThumbBoxPosition();
 349             this.setCanvasPosition();
 350         }
 351     },
 352
 353     onFooterButtonClick : function(e, el, o, type)
 354     {
 355         switch (type) {
 356             case 'rotate-left' :
 357                 this.onRotateLeft(e);
 358                 break;
 359             case 'rotate-right' :
 360                 this.onRotateRight(e);
 361                 break;
 362             case 'picture' :
 363                 this.beforeSelectFile(e);
 364                 break;
 365             case 'trash' :
 366                 this.trash(e);
 367                 break;
 368             case 'crop' :
 369                 this.crop(e);
 370                 break;
 371             case 'download' :
 372                 this.download(e);
 373                 break;
 374             default :
 375                 break;
 376         }
 377
 378         this.fireEvent('footerbuttonclick', this, type);
 379     },
 380
 381     beforeSelectFile : function(e)
 382     {
 383         e.preventDefault();
 384
 385         if(this.fireEvent('beforeselectfile', this) != false){
 386             this.selectorEl.dom.click();
 387         }
 388     },
 389
 390     onFileSelected : function(e)
 391     {
 392         e.preventDefault();
 393
 394         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 395             return;
 396         }
 397
 398         var file = this.selectorEl.dom.files[0];
 399
 400         if(this.fireEvent('inspect', this, file) != false){
 401             this.prepare(file);
 402         }
 403
 404     },
 405
 406     trash : function(e)
 407     {
 408         this.fireEvent('trash', this);
 409     },
 410
 411     download : function(e)
 412     {
 413         this.fireEvent('download', this);
 414     },
 415
 416     loadCanvas : function(src)
 417     {
 418         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 419
 420             this.reset();
 421
 422             this.imageEl = document.createElement('img');
 423
 424             var _this = this;
 425
 426             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 427
 428             this.imageEl.src = src;
 429         }
 430     },
 431
 432     onLoadCanvas : function()
 433     {
 434         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 435         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 436
 437         var _this = this;
 438
 439         var errorMsg = "";
 440
 441         if(this.imageEl.OriginWidth < this.minWidth) {
 442             errorMsg = "Image width should be at least " + this.minWidth;
 443         }
 444
 445         if(this.imageEl.OriginHeight < this.minHeight) {
 446             errorMsg = "Image height should be at least " + this.minHeight;
 447         }
 448
 449         if(errorMsg.length != '') {
 450             Roo.Msg.show({
 451                 title: 'Error',
 452                 msg: errorMsg,
 453                 buttons: {ok : true},
 454                 fn: function(res) {
 455                     _this.selectorEl.dom.value = '';
 456                     _this.selectorEl.dom.click();
 457                 }
 458             });
 459         }
 460
 461         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 462
 463             this.bodyEl.un('click', this.beforeSelectFile, this);
 464
 465             this.notifyEl.hide();
 466             this.thumbEl.show();
 467             this.footerEl.show();
 468
 469             this.baseRotateLevel();
 470
 471             if(this.isDocument){
 472                 this.setThumbBoxSize();
 473             }
 474
 475             this.setThumbBoxPosition();
 476
 477             this.baseScaleLevel();
 478
 479             this.draw();
 480
 481             this.resize();
 482
 483             this.canvasLoaded = true;
 484
 485         }
 486
 487         if(this.loadMask){
 488             this.maskEl.unmask();
 489         }
 490
 491     },
 492
 493     setCanvasPosition : function()
 494     {
 495         if(!this.canvasEl){
 496             return;
 497         }
 498
 499         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 500         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 501
 502         this.previewEl.setLeft(pw);
 503         this.previewEl.setTop(ph);
 504
 505     },
 506
 507     onMouseDown : function(e)
 508     {
 509         e.stopEvent();
 510
 511         this.dragable = true;
 512         this.pinching = false;
 513
 514         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 515             this.dragable = false;
 516             return;
 517         }
 518
 519         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 520         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 521
 522     },
 523
 524     onMouseMove : function(e)
 525     {
 526         e.stopEvent();
 527
 528         if(!this.canvasLoaded){
 529             return;
 530         }
 531
 532         if (!this.dragable){
 533             return;
 534         }
 535
 536         var minX = Math.ceil(this.thumbEl.getLeft(true));
 537         var minY = Math.ceil(this.thumbEl.getTop(true));
 538
 539         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 540         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 541
 542         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 543         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 544
 545         x = x - this.mouseX;
 546         y = y - this.mouseY;
 547
 548         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 549         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 550
 551         bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
 552         bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
 553
 554         this.previewEl.setLeft(bgX);
 555         this.previewEl.setTop(bgY);
 556
 557         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 558         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 559     },
 560
 561     onMouseUp : function(e)
 562     {
 563         e.stopEvent();
 564
 565         this.dragable = false;
 566     },
 567
 568     onMouseWheel : function(e)
 569     {
 570         e.stopEvent();
 571
 572         this.startScale = this.scale;
 573         console.log("START SCALE: " + this.scale);
 574         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 575         console.log("END SCALE: " + this.scale);
 576         if(!this.zoomable()){
 577             this.scale = this.startScale;
 578             return;
 579         }
 580
 581         this.draw();
 582
 583         return;
 584     },
 585
 586     zoomable : function()
 587     {
 588         console.log("THUMBEL");
 589         console.log(this.thumbEl);
 590         var minScale = this.thumbEl.getWidth() / this.minWidth;
 591
 592         if(this.minWidth < this.minHeight){
 593             minScale = this.thumbEl.getHeight() / this.minHeight;
 594         }
 595
 596         console.log("MINSCALE: " + minScale);
 597
 598         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 599         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 600
 601         var maxWidth = this.imageEl.OriginWidth;
 602         var maxHeight = this.imageEl.OriginHeight;
 603
 604         if(this.imageEl.OriginWidth / this.imageEl.OriginHeight  > this.minWidth / this.minHeight && this.imageEl.OriginHeight < this.minHeight) {
 605             maxHeight = this.minHeight;
 606             maxWidth = this.imageEl.OriginWidth / this.imageEl.OriginHeight * this.minHeight;
 607         }
 608         if(this.imageEl.OriginWidth / this.imageEl.OriginHeight  < this.minWidth / this.minHeight && this.imageEl.OriginWidth < this.minWidth) {
 609             maxWidth = this.minWidth;
 610             maxHeight = this.imageEl.OriginHeight /this.imageEl.OriginWidth * this.minWidth;
 611         }
 612
 613         console.log("GETSCALELEVEL: " + this.getScaleLevel());
 614         console.log("width: " + width);
 615         console.log("height: " + height);
 616         console.log("maxWidth: " + maxWidth);
 617         console.log("maxHeight: " + maxHeight);
 618
 619         if(
 620                 this.isDocument &&
 621                 (this.rotate == 0 || this.rotate == 180) &&
 622                 (
 623                     width > this.imageEl.OriginWidth ||
 624                     height > this.imageEl.OriginHeight ||
 625                     (width < this.minWidth && height < this.minHeight)
 626                 )
 627         ){
 628             return false;
 629         }
 630
 631         if(
 632                 this.isDocument &&
 633                 (this.rotate == 90 || this.rotate == 270) &&
 634                 (
 635                     width > this.imageEl.OriginWidth ||
 636                     height > this.imageEl.OriginHeight ||
 637                     (width < this.minHeight && height < this.minWidth)
 638                 )
 639         ){
 640             return false;
 641         }
 642
 643         if(
 644                 !this.isDocument &&
 645                 (this.rotate == 0 || this.rotate == 180) &&
 646                 (
 647                     width < this.minWidth ||
 648                     height < this.minHeight ||
 649                     width > maxWidth ||
 650                     height > maxHeight
 651                 )
 652         ){
 653             return false;
 654         }
 655
 656         if(
 657                 !this.isDocument &&
 658                 (this.rotate == 90 || this.rotate == 270) &&
 659                 (
 660                     width < this.minHeight ||
 661                     width > this.imageEl.OriginWidth ||
 662                     height < this.minWidth ||
 663                     height > this.imageEl.OriginHeight
 664                 )
 665         ){
 666             return false;
 667         }
 668
 669         return true;
 670
 671     },
 672
 673     onRotateLeft : function(e)
 674     {
 675         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 676
 677             var minScale = this.thumbEl.getWidth() / this.minWidth;
 678
 679             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 680             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 681
 682             this.startScale = this.scale;
 683
 684             while (this.getScaleLevel() < minScale){
 685
 686                 this.scale = this.scale + 1;
 687
 688                 if(!this.zoomable()){
 689                     break;
 690                 }
 691
 692                 if(
 693                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 694                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 695                 ){
 696                     continue;
 697                 }
 698
 699                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 700
 701                 this.draw();
 702
 703                 return;
 704             }
 705
 706             this.scale = this.startScale;
 707
 708             this.onRotateFail();
 709
 710             return false;
 711         }
 712
 713         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 714
 715         if(this.isDocument){
 716             this.setThumbBoxSize();
 717             this.setThumbBoxPosition();
 718             this.setCanvasPosition();
 719         }
 720
 721         this.draw();
 722
 723         this.fireEvent('rotate', this, 'left');
 724
 725     },
 726
 727     onRotateRight : function(e)
 728     {
 729         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 730
 731             var minScale = this.thumbEl.getWidth() / this.minWidth;
 732
 733             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 734             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 735
 736             this.startScale = this.scale;
 737
 738             while (this.getScaleLevel() < minScale){
 739
 740                 this.scale = this.scale + 1;
 741
 742                 if(!this.zoomable()){
 743                     break;
 744                 }
 745
 746                 if(
 747                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 748                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 749                 ){
 750                     continue;
 751                 }
 752
 753                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 754
 755                 this.draw();
 756
 757                 return;
 758             }
 759
 760             this.scale = this.startScale;
 761
 762             this.onRotateFail();
 763
 764             return false;
 765         }
 766
 767         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 768
 769         if(this.isDocument){
 770             this.setThumbBoxSize();
 771             this.setThumbBoxPosition();
 772             this.setCanvasPosition();
 773         }
 774
 775         this.draw();
 776
 777         this.fireEvent('rotate', this, 'right');
 778     },
 779
 780     onRotateFail : function()
 781     {
 782         this.errorEl.show(true);
 783
 784         var _this = this;
 785
 786         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 787     },
 788
 789     draw : function()
 790     {
 791         this.previewEl.dom.innerHTML = '';
 792
 793         var canvasEl = document.createElement("canvas");
 794
 795         var contextEl = canvasEl.getContext("2d");
 796
 797         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 798         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 799         var center = this.imageEl.OriginWidth / 2;
 800
 801         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 802             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 803             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 804             center = this.imageEl.OriginHeight / 2;
 805         }
 806
 807         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 808
 809         contextEl.translate(center, center);
 810         contextEl.rotate(this.rotate * Math.PI / 180);
 811
 812         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 813
 814         this.canvasEl = document.createElement("canvas");
 815
 816         this.contextEl = this.canvasEl.getContext("2d");
 817
 818         switch (this.rotate) {
 819             case 0 :
 820
 821                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 822                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 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 90 :
 828
 829                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 830                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 831
 832                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 833                     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);
 834                     break;
 835                 }
 836
 837                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 838
 839                 break;
 840             case 180 :
 841
 842                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 843                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 844
 845                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 846                     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);
 847                     break;
 848                 }
 849
 850                 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);
 851
 852                 break;
 853             case 270 :
 854
 855                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 856                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 857
 858                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 859                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 860                     break;
 861                 }
 862
 863                 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);
 864
 865                 break;
 866             default :
 867                 break;
 868         }
 869
 870         this.previewEl.appendChild(this.canvasEl);
 871
 872         this.setCanvasPosition();
 873     },
 874
 875     crop : function()
 876     {
 877         if(!this.canvasLoaded){
 878             return;
 879         }
 880
 881         var imageCanvas = document.createElement("canvas");
 882
 883         var imageContext = imageCanvas.getContext("2d");
 884
 885         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 886         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 887
 888         var center = imageCanvas.width / 2;
 889
 890         imageContext.translate(center, center);
 891
 892         imageContext.rotate(this.rotate * Math.PI / 180);
 893
 894         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 895
 896         var canvas = document.createElement("canvas");
 897
 898         var context = canvas.getContext("2d");
 899
 900         canvas.width = this.minWidth;
 901         canvas.height = this.minHeight;
 902
 903         switch (this.rotate) {
 904             case 0 :
 905
 906                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 907                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 908
 909                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 910                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 911
 912                 var targetWidth = this.minWidth - 2 * x;
 913                 var targetHeight = this.minHeight - 2 * y;
 914
 915                 var scale = 1;
 916
 917                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 918                     scale = targetWidth / width;
 919                 }
 920
 921                 if(x > 0 && y == 0){
 922                     scale = targetHeight / height;
 923                 }
 924
 925                 if(x > 0 && y > 0){
 926                     scale = targetWidth / width;
 927
 928                     if(width < height){
 929                         scale = targetHeight / height;
 930                     }
 931                 }
 932
 933                 context.scale(scale, scale);
 934
 935                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 936                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 937
 938                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 939                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 940
 941                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 942
 943                 break;
 944             case 90 :
 945
 946                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 947                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 948
 949                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 950                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 951
 952                 var targetWidth = this.minWidth - 2 * x;
 953                 var targetHeight = this.minHeight - 2 * y;
 954
 955                 var scale = 1;
 956
 957                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 958                     scale = targetWidth / width;
 959                 }
 960
 961                 if(x > 0 && y == 0){
 962                     scale = targetHeight / height;
 963                 }
 964
 965                 if(x > 0 && y > 0){
 966                     scale = targetWidth / width;
 967
 968                     if(width < height){
 969                         scale = targetHeight / height;
 970                     }
 971                 }
 972
 973                 context.scale(scale, scale);
 974
 975                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 976                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 977
 978                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 979                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 980
 981                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 982
 983                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 984
 985                 break;
 986             case 180 :
 987
 988                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 989                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 990
 991                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 992                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 993
 994                 var targetWidth = this.minWidth - 2 * x;
 995                 var targetHeight = this.minHeight - 2 * y;
 996
 997                 var scale = 1;
 998
 999                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1000                     scale = targetWidth / width;
1001                 }
1002
1003                 if(x > 0 && y == 0){
1004                     scale = targetHeight / height;
1005                 }
1006
1007                 if(x > 0 && y > 0){
1008                     scale = targetWidth / width;
1009
1010                     if(width < height){
1011                         scale = targetHeight / height;
1012                     }
1013                 }
1014
1015                 context.scale(scale, scale);
1016
1017                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1018                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1019
1020                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1021                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1022
1023                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1024                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1025
1026                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1027
1028                 break;
1029             case 270 :
1030
1031                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1032                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1033
1034                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1035                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1036
1037                 var targetWidth = this.minWidth - 2 * x;
1038                 var targetHeight = this.minHeight - 2 * y;
1039
1040                 var scale = 1;
1041
1042                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1043                     scale = targetWidth / width;
1044                 }
1045
1046                 if(x > 0 && y == 0){
1047                     scale = targetHeight / height;
1048                 }
1049
1050                 if(x > 0 && y > 0){
1051                     scale = targetWidth / width;
1052
1053                     if(width < height){
1054                         scale = targetHeight / height;
1055                     }
1056                 }
1057
1058                 context.scale(scale, scale);
1059
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         var width, height;
1148
1149         if(this.isDocument){
1150
1151             if(this.baseRotate == 6 || this.baseRotate == 8){
1152
1153                 height = this.thumbEl.getHeight();
1154                 this.baseScale = height / this.imageEl.OriginWidth;
1155
1156                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1157                     width = this.thumbEl.getWidth();
1158                     this.baseScale = width / this.imageEl.OriginHeight;
1159                 }
1160
1161                 return;
1162             }
1163
1164             height = this.thumbEl.getHeight();
1165             this.baseScale = height / this.imageEl.OriginHeight;
1166
1167             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1168                 width = this.thumbEl.getWidth();
1169                 this.baseScale = width / this.imageEl.OriginWidth;
1170             }
1171
1172             return;
1173         }
1174
1175         if(this.baseRotate == 6 || this.baseRotate == 8){
1176
1177             width = this.thumbEl.getHeight();
1178             this.baseScale = width / this.imageEl.OriginHeight;
1179
1180             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1181                 height = this.thumbEl.getWidth();
1182                 this.baseScale = height / this.imageEl.OriginHeight;
1183             }
1184
1185             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1186                 height = this.thumbEl.getWidth();
1187                 this.baseScale = height / this.imageEl.OriginHeight;
1188
1189                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1190                     width = this.thumbEl.getHeight();
1191                     this.baseScale = width / this.imageEl.OriginWidth;
1192                 }
1193             }
1194
1195             return;
1196         }
1197
1198         width = this.thumbEl.getWidth();
1199         this.baseScale = width / this.imageEl.OriginWidth;
1200
1201         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1202             height = this.thumbEl.getHeight();
1203             this.baseScale = height / this.imageEl.OriginHeight;
1204         }
1205
1206         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1207
1208             height = this.thumbEl.getHeight();
1209             this.baseScale = height / this.imageEl.OriginHeight;
1210
1211             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1212                 width = this.thumbEl.getWidth();
1213                 this.baseScale = width / this.imageEl.OriginWidth;
1214             }
1215
1216         }
1217
1218         return;
1219     },
1220
1221     getScaleLevel : function()
1222     {
1223         console.log("BASESCALE: " + this.baseScale);
1224         return this.baseScale * Math.pow(1.02, this.scale);
1225     },
1226
1227     onTouchStart : function(e)
1228     {
1229         if(!this.canvasLoaded){
1230             this.beforeSelectFile(e);
1231             return;
1232         }
1233
1234         var touches = e.browserEvent.touches;
1235
1236         if(!touches){
1237             return;
1238         }
1239
1240         if(touches.length == 1){
1241             this.onMouseDown(e);
1242             return;
1243         }
1244
1245         if(touches.length != 2){
1246             return;
1247         }
1248
1249         var coords = [];
1250
1251         for(var i = 0, finger; finger = touches[i]; i++){
1252             coords.push(finger.pageX, finger.pageY);
1253         }
1254
1255         var x = Math.pow(coords[0] - coords[2], 2);
1256         var y = Math.pow(coords[1] - coords[3], 2);
1257
1258         this.startDistance = Math.sqrt(x + y);
1259
1260         this.startScale = this.scale;
1261
1262         this.pinching = true;
1263         this.dragable = false;
1264
1265     },
1266
1267     onTouchMove : function(e)
1268     {
1269         if(!this.pinching && !this.dragable){
1270             return;
1271         }
1272
1273         var touches = e.browserEvent.touches;
1274
1275         if(!touches){
1276             return;
1277         }
1278
1279         if(this.dragable){
1280             this.onMouseMove(e);
1281             return;
1282         }
1283
1284         var coords = [];
1285
1286         for(var i = 0, finger; finger = touches[i]; i++){
1287             coords.push(finger.pageX, finger.pageY);
1288         }
1289
1290         var x = Math.pow(coords[0] - coords[2], 2);
1291         var y = Math.pow(coords[1] - coords[3], 2);
1292
1293         this.endDistance = Math.sqrt(x + y);
1294
1295         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1296
1297         if(!this.zoomable()){
1298             this.scale = this.startScale;
1299             return;
1300         }
1301
1302         this.draw();
1303
1304     },
1305
1306     onTouchEnd : function(e)
1307     {
1308         this.pinching = false;
1309         this.dragable = false;
1310
1311     },
1312
1313     process : function(file, crop)
1314     {
1315         if(this.loadMask){
1316             this.maskEl.mask(this.loadingText);
1317         }
1318
1319         this.xhr = new XMLHttpRequest();
1320
1321         file.xhr = this.xhr;
1322
1323         this.xhr.open(this.method, this.url, true);
1324
1325         var headers = {
1326             "Accept": "application/json",
1327             "Cache-Control": "no-cache",
1328             "X-Requested-With": "XMLHttpRequest"
1329         };
1330
1331         for (var headerName in headers) {
1332             var headerValue = headers[headerName];
1333             if (headerValue) {
1334                 this.xhr.setRequestHeader(headerName, headerValue);
1335             }
1336         }
1337
1338         var _this = this;
1339
1340         this.xhr.onload = function()
1341         {
1342             _this.xhrOnLoad(_this.xhr);
1343         }
1344
1345         this.xhr.onerror = function()
1346         {
1347             _this.xhrOnError(_this.xhr);
1348         }
1349
1350         var formData = new FormData();
1351
1352         formData.append('returnHTML', 'NO');
1353
1354         if(crop){
1355             formData.append('crop', crop);
1356         }
1357
1358         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1359             formData.append(this.paramName, file, file.name);
1360         }
1361
1362         if(typeof(file.filename) != 'undefined'){
1363             formData.append('filename', file.filename);
1364         }
1365
1366         if(typeof(file.mimetype) != 'undefined'){
1367             formData.append('mimetype', file.mimetype);
1368         }
1369
1370         if(this.fireEvent('arrange', this, formData) != false){
1371             this.xhr.send(formData);
1372         };
1373     },
1374
1375     xhrOnLoad : function(xhr)
1376     {
1377         if(this.loadMask){
1378             this.maskEl.unmask();
1379         }
1380
1381         if (xhr.readyState !== 4) {
1382             this.fireEvent('exception', this, xhr);
1383             return;
1384         }
1385
1386         var response = Roo.decode(xhr.responseText);
1387
1388         if(!response.success){
1389             this.fireEvent('exception', this, xhr);
1390             return;
1391         }
1392
1393         var response = Roo.decode(xhr.responseText);
1394
1395         this.fireEvent('upload', this, response);
1396
1397     },
1398
1399     xhrOnError : function()
1400     {
1401         if(this.loadMask){
1402             this.maskEl.unmask();
1403         }
1404
1405         Roo.log('xhr on error');
1406
1407         var response = Roo.decode(xhr.responseText);
1408
1409         Roo.log(response);
1410
1411     },
1412
1413     prepare : function(file)
1414     {
1415         if(this.loadMask){
1416             this.maskEl.mask(this.loadingText);
1417         }
1418
1419         this.file = false;
1420         this.exif = {};
1421
1422         if(typeof(file) === 'string'){
1423             this.loadCanvas(file);
1424             return;
1425         }
1426
1427         if(!file || !this.urlAPI){
1428             return;
1429         }
1430
1431         this.file = file;
1432         this.cropType = file.type;
1433
1434         var _this = this;
1435
1436         if(this.fireEvent('prepare', this, this.file) != false){
1437
1438             var reader = new FileReader();
1439
1440             reader.onload = function (e) {
1441                 if (e.target.error) {
1442                     Roo.log(e.target.error);
1443                     return;
1444                 }
1445
1446                 var buffer = e.target.result,
1447                     dataView = new DataView(buffer),
1448                     offset = 2,
1449                     maxOffset = dataView.byteLength - 4,
1450                     markerBytes,
1451                     markerLength;
1452
1453                 if (dataView.getUint16(0) === 0xffd8) {
1454                     while (offset < maxOffset) {
1455                         markerBytes = dataView.getUint16(offset);
1456
1457                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1458                             markerLength = dataView.getUint16(offset + 2) + 2;
1459                             if (offset + markerLength > dataView.byteLength) {
1460                                 Roo.log('Invalid meta data: Invalid segment size.');
1461                                 break;
1462                             }
1463
1464                             if(markerBytes == 0xffe1){
1465                                 _this.parseExifData(
1466                                     dataView,
1467                                     offset,
1468                                     markerLength
1469                                 );
1470                             }
1471
1472                             offset += markerLength;
1473
1474                             continue;
1475                         }
1476
1477                         break;
1478                     }
1479
1480                 }
1481
1482                 var url = _this.urlAPI.createObjectURL(_this.file);
1483
1484                 _this.loadCanvas(url);
1485
1486                 return;
1487             }
1488
1489             reader.readAsArrayBuffer(this.file);
1490
1491         }
1492
1493     },
1494
1495     parseExifData : function(dataView, offset, length)
1496     {
1497         var tiffOffset = offset + 10,
1498             littleEndian,
1499             dirOffset;
1500
1501         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1502             // No Exif data, might be XMP data instead
1503             return;
1504         }
1505
1506         // Check for the ASCII code for "Exif" (0x45786966):
1507         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1508             // No Exif data, might be XMP data instead
1509             return;
1510         }
1511         if (tiffOffset + 8 > dataView.byteLength) {
1512             Roo.log('Invalid Exif data: Invalid segment size.');
1513             return;
1514         }
1515         // Check for the two null bytes:
1516         if (dataView.getUint16(offset + 8) !== 0x0000) {
1517             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1518             return;
1519         }
1520         // Check the byte alignment:
1521         switch (dataView.getUint16(tiffOffset)) {
1522         case 0x4949:
1523             littleEndian = true;
1524             break;
1525         case 0x4D4D:
1526             littleEndian = false;
1527             break;
1528         default:
1529             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1530             return;
1531         }
1532         // Check for the TIFF tag marker (0x002A):
1533         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1534             Roo.log('Invalid Exif data: Missing TIFF marker.');
1535             return;
1536         }
1537         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1538         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1539
1540         this.parseExifTags(
1541             dataView,
1542             tiffOffset,
1543             tiffOffset + dirOffset,
1544             littleEndian
1545         );
1546     },
1547
1548     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1549     {
1550         var tagsNumber,
1551             dirEndOffset,
1552             i;
1553         if (dirOffset + 6 > dataView.byteLength) {
1554             Roo.log('Invalid Exif data: Invalid directory offset.');
1555             return;
1556         }
1557         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1558         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1559         if (dirEndOffset + 4 > dataView.byteLength) {
1560             Roo.log('Invalid Exif data: Invalid directory size.');
1561             return;
1562         }
1563         for (i = 0; i < tagsNumber; i += 1) {
1564             this.parseExifTag(
1565                 dataView,
1566                 tiffOffset,
1567                 dirOffset + 2 + 12 * i, // tag offset
1568                 littleEndian
1569             );
1570         }
1571         // Return the offset to the next directory:
1572         return dataView.getUint32(dirEndOffset, littleEndian);
1573     },
1574
1575     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1576     {
1577         var tag = dataView.getUint16(offset, littleEndian);
1578
1579         this.exif[tag] = this.getExifValue(
1580             dataView,
1581             tiffOffset,
1582             offset,
1583             dataView.getUint16(offset + 2, littleEndian), // tag type
1584             dataView.getUint32(offset + 4, littleEndian), // tag length
1585             littleEndian
1586         );
1587     },
1588
1589     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1590     {
1591         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1592             tagSize,
1593             dataOffset,
1594             values,
1595             i,
1596             str,
1597             c;
1598
1599         if (!tagType) {
1600             Roo.log('Invalid Exif data: Invalid tag type.');
1601             return;
1602         }
1603
1604         tagSize = tagType.size * length;
1605         // Determine if the value is contained in the dataOffset bytes,
1606         // or if the value at the dataOffset is a pointer to the actual data:
1607         dataOffset = tagSize > 4 ?
1608                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1609         if (dataOffset + tagSize > dataView.byteLength) {
1610             Roo.log('Invalid Exif data: Invalid data offset.');
1611             return;
1612         }
1613         if (length === 1) {
1614             return tagType.getValue(dataView, dataOffset, littleEndian);
1615         }
1616         values = [];
1617         for (i = 0; i < length; i += 1) {
1618             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1619         }
1620
1621         if (tagType.ascii) {
1622             str = '';
1623             // Concatenate the chars:
1624             for (i = 0; i < values.length; i += 1) {
1625                 c = values[i];
1626                 // Ignore the terminating NULL byte(s):
1627                 if (c === '\u0000') {
1628                     break;
1629                 }
1630                 str += c;
1631             }
1632             return str;
1633         }
1634         return values;
1635     }
1636
1637 });
1638
1639 Roo.apply(Roo.dialog.UploadCropbox, {
1640     tags : {
1641         'Orientation': 0x0112
1642     },
1643
1644     Orientation: {
1645             1: 0, //'top-left',
1646 //            2: 'top-right',
1647             3: 180, //'bottom-right',
1648 //            4: 'bottom-left',
1649 //            5: 'left-top',
1650             6: 90, //'right-top',
1651 //            7: 'right-bottom',
1652             8: 270 //'left-bottom'
1653     },
1654
1655     exifTagTypes : {
1656         // byte, 8-bit unsigned int:
1657         1: {
1658             getValue: function (dataView, dataOffset) {
1659                 return dataView.getUint8(dataOffset);
1660             },
1661             size: 1
1662         },
1663         // ascii, 8-bit byte:
1664         2: {
1665             getValue: function (dataView, dataOffset) {
1666                 return String.fromCharCode(dataView.getUint8(dataOffset));
1667             },
1668             size: 1,
1669             ascii: true
1670         },
1671         // short, 16 bit int:
1672         3: {
1673             getValue: function (dataView, dataOffset, littleEndian) {
1674                 return dataView.getUint16(dataOffset, littleEndian);
1675             },
1676             size: 2
1677         },
1678         // long, 32 bit int:
1679         4: {
1680             getValue: function (dataView, dataOffset, littleEndian) {
1681                 return dataView.getUint32(dataOffset, littleEndian);
1682             },
1683             size: 4
1684         },
1685         // rational = two long values, first is numerator, second is denominator:
1686         5: {
1687             getValue: function (dataView, dataOffset, littleEndian) {
1688                 return dataView.getUint32(dataOffset, littleEndian) /
1689                     dataView.getUint32(dataOffset + 4, littleEndian);
1690             },
1691             size: 8
1692         },
1693         // slong, 32 bit signed int:
1694         9: {
1695             getValue: function (dataView, dataOffset, littleEndian) {
1696                 return dataView.getInt32(dataOffset, littleEndian);
1697             },
1698             size: 4
1699         },
1700         // srational, two slongs, first is numerator, second is denominator:
1701         10: {
1702             getValue: function (dataView, dataOffset, littleEndian) {
1703                 return dataView.getInt32(dataOffset, littleEndian) /
1704                     dataView.getInt32(dataOffset + 4, littleEndian);
1705             },
1706             size: 8
1707         }
1708     },
1709
1710     footer : {
1711         STANDARD : [
1712             {
1713                 tag : 'div',
1714                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1715                 action : 'rotate-left',
1716                 cn : [
1717                     {
1718                         tag : 'button',
1719                         cls : 'btn btn-default',
1720                         html : '<i class="fa fa-undo"></i>'
1721                     }
1722                 ]
1723             },
1724             {
1725                 tag : 'div',
1726                 cls : 'btn-group roo-upload-cropbox-picture',
1727                 action : 'picture',
1728                 cn : [
1729                     {
1730                         tag : 'button',
1731                         cls : 'btn btn-default',
1732                         html : '<i class="fa fa-picture-o"></i>'
1733                     }
1734                 ]
1735             },
1736             {
1737                 tag : 'div',
1738                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1739                 action : 'rotate-right',
1740                 cn : [
1741                     {
1742                         tag : 'button',
1743                         cls : 'btn btn-default',
1744                         html : '<i class="fa fa-repeat"></i>'
1745                     }
1746                 ]
1747             }
1748         ],
1749         DOCUMENT : [
1750             {
1751                 tag : 'div',
1752                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1753                 action : 'rotate-left',
1754                 cn : [
1755                     {
1756                         tag : 'button',
1757                         cls : 'btn btn-default',
1758                         html : '<i class="fa fa-undo"></i>'
1759                     }
1760                 ]
1761             },
1762             {
1763                 tag : 'div',
1764                 cls : 'btn-group roo-upload-cropbox-download',
1765                 action : 'download',
1766                 cn : [
1767                     {
1768                         tag : 'button',
1769                         cls : 'btn btn-default',
1770                         html : '<i class="fa fa-download"></i>'
1771                     }
1772                 ]
1773             },
1774             {
1775                 tag : 'div',
1776                 cls : 'btn-group roo-upload-cropbox-crop',
1777                 action : 'crop',
1778                 cn : [
1779                     {
1780                         tag : 'button',
1781                         cls : 'btn btn-default',
1782                         html : '<i class="fa fa-crop"></i>'
1783                     }
1784                 ]
1785             },
1786             {
1787                 tag : 'div',
1788                 cls : 'btn-group roo-upload-cropbox-trash',
1789                 action : 'trash',
1790                 cn : [
1791                     {
1792                         tag : 'button',
1793                         cls : 'btn btn-default',
1794                         html : '<i class="fa fa-trash"></i>'
1795                     }
1796                 ]
1797             },
1798             {
1799                 tag : 'div',
1800                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1801                 action : 'rotate-right',
1802                 cn : [
1803                     {
1804                         tag : 'button',
1805                         cls : 'btn btn-default',
1806                         html : '<i class="fa fa-repeat"></i>'
1807                     }
1808                 ]
1809             }
1810         ],
1811         ROTATOR : [
1812             {
1813                 tag : 'div',
1814                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1815                 action : 'rotate-left',
1816                 cn : [
1817                     {
1818                         tag : 'button',
1819                         cls : 'btn btn-default',
1820                         html : '<i class="fa fa-undo"></i>'
1821                     }
1822                 ]
1823             },
1824             {
1825                 tag : 'div',
1826                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1827                 action : 'rotate-right',
1828                 cn : [
1829                     {
1830                         tag : 'button',
1831                         cls : 'btn btn-default',
1832                         html : '<i class="fa fa-repeat"></i>'
1833                     }
1834                 ]
1835             }
1836         ]
1837     }
1838 });