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         if(this.imageEl.OriginWidth < this.minWidth) {
 440             console.log("BEFORESHOW");
 441             Roo.Msg.show({
 442                 title: 'Error',
 443                 msg: "Image width should be at least 720",
 444                 buttons: {ok : true},
 445                 fn: function(res) {
 446                     _this.selectorEl.dom.value = '';
 447                     _this.selectorEl.dom.click();
 448                 }
 449             });
 450         }
 451
 452         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 453
 454             this.bodyEl.un('click', this.beforeSelectFile, this);
 455
 456             this.notifyEl.hide();
 457             this.thumbEl.show();
 458             this.footerEl.show();
 459
 460             this.baseRotateLevel();
 461
 462             if(this.isDocument){
 463                 this.setThumbBoxSize();
 464             }
 465
 466             this.setThumbBoxPosition();
 467
 468             this.baseScaleLevel();
 469
 470             this.draw();
 471
 472             this.resize();
 473
 474             this.canvasLoaded = true;
 475
 476         }
 477
 478         if(this.loadMask){
 479             this.maskEl.unmask();
 480         }
 481
 482     },
 483
 484     setCanvasPosition : function()
 485     {
 486         if(!this.canvasEl){
 487             return;
 488         }
 489
 490         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 491         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 492
 493         this.previewEl.setLeft(pw);
 494         this.previewEl.setTop(ph);
 495
 496     },
 497
 498     onMouseDown : function(e)
 499     {
 500         e.stopEvent();
 501
 502         this.dragable = true;
 503         this.pinching = false;
 504
 505         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 506             this.dragable = false;
 507             return;
 508         }
 509
 510         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 511         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 512
 513     },
 514
 515     onMouseMove : function(e)
 516     {
 517         e.stopEvent();
 518
 519         if(!this.canvasLoaded){
 520             return;
 521         }
 522
 523         if (!this.dragable){
 524             return;
 525         }
 526
 527         var minX = Math.ceil(this.thumbEl.getLeft(true));
 528         var minY = Math.ceil(this.thumbEl.getTop(true));
 529
 530         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 531         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 532
 533         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 534         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 535
 536         x = x - this.mouseX;
 537         y = y - this.mouseY;
 538
 539         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 540         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 541
 542         bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
 543         bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
 544
 545         this.previewEl.setLeft(bgX);
 546         this.previewEl.setTop(bgY);
 547
 548         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 549         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 550     },
 551
 552     onMouseUp : function(e)
 553     {
 554         e.stopEvent();
 555
 556         this.dragable = false;
 557     },
 558
 559     onMouseWheel : function(e)
 560     {
 561         e.stopEvent();
 562
 563         this.startScale = this.scale;
 564         console.log("START SCALE: " + this.scale);
 565         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 566         console.log("END SCALE: " + this.scale);
 567         if(!this.zoomable()){
 568             this.scale = this.startScale;
 569             return;
 570         }
 571
 572         this.draw();
 573
 574         return;
 575     },
 576
 577     zoomable : function()
 578     {
 579         console.log("THUMBEL");
 580         console.log(this.thumbEl);
 581         var minScale = this.thumbEl.getWidth() / this.minWidth;
 582
 583         if(this.minWidth < this.minHeight){
 584             minScale = this.thumbEl.getHeight() / this.minHeight;
 585         }
 586
 587         console.log("MINSCALE: " + minScale);
 588
 589         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 590         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 591
 592         var maxWidth = this.imageEl.OriginWidth;
 593         var maxHeight = this.imageEl.OriginHeight;
 594
 595         if(this.imageEl.OriginWidth / this.imageEl.OriginHeight  > this.minWidth / this.minHeight && this.imageEl.OriginHeight < this.minHeight) {
 596             maxHeight = this.minHeight;
 597             maxWidth = this.imageEl.OriginWidth / this.imageEl.OriginHeight * this.minHeight;
 598         }
 599         if(this.imageEl.OriginWidth / this.imageEl.OriginHeight  < this.minWidth / this.minHeight && this.imageEl.OriginWidth < this.minWidth) {
 600             maxWidth = this.minWidth;
 601             maxHeight = this.imageEl.OriginHeight /this.imageEl.OriginWidth * this.minWidth;
 602         }
 603
 604         console.log("GETSCALELEVEL: " + this.getScaleLevel());
 605         console.log("width: " + width);
 606         console.log("height: " + height);
 607         console.log("maxWidth: " + maxWidth);
 608         console.log("maxHeight: " + maxHeight);
 609
 610         if(
 611                 this.isDocument &&
 612                 (this.rotate == 0 || this.rotate == 180) &&
 613                 (
 614                     width > this.imageEl.OriginWidth ||
 615                     height > this.imageEl.OriginHeight ||
 616                     (width < this.minWidth && height < this.minHeight)
 617                 )
 618         ){
 619             return false;
 620         }
 621
 622         if(
 623                 this.isDocument &&
 624                 (this.rotate == 90 || this.rotate == 270) &&
 625                 (
 626                     width > this.imageEl.OriginWidth ||
 627                     height > this.imageEl.OriginHeight ||
 628                     (width < this.minHeight && height < this.minWidth)
 629                 )
 630         ){
 631             return false;
 632         }
 633
 634         if(
 635                 !this.isDocument &&
 636                 (this.rotate == 0 || this.rotate == 180) &&
 637                 (
 638                     width < this.minWidth ||
 639                     height < this.minHeight ||
 640                     width > maxWidth ||
 641                     height > maxHeight
 642                 )
 643         ){
 644             return false;
 645         }
 646
 647         if(
 648                 !this.isDocument &&
 649                 (this.rotate == 90 || this.rotate == 270) &&
 650                 (
 651                     width < this.minHeight ||
 652                     width > this.imageEl.OriginWidth ||
 653                     height < this.minWidth ||
 654                     height > this.imageEl.OriginHeight
 655                 )
 656         ){
 657             return false;
 658         }
 659
 660         return true;
 661
 662     },
 663
 664     onRotateLeft : function(e)
 665     {
 666         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 667
 668             var minScale = this.thumbEl.getWidth() / this.minWidth;
 669
 670             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 671             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 672
 673             this.startScale = this.scale;
 674
 675             while (this.getScaleLevel() < minScale){
 676
 677                 this.scale = this.scale + 1;
 678
 679                 if(!this.zoomable()){
 680                     break;
 681                 }
 682
 683                 if(
 684                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 685                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 686                 ){
 687                     continue;
 688                 }
 689
 690                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 691
 692                 this.draw();
 693
 694                 return;
 695             }
 696
 697             this.scale = this.startScale;
 698
 699             this.onRotateFail();
 700
 701             return false;
 702         }
 703
 704         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 705
 706         if(this.isDocument){
 707             this.setThumbBoxSize();
 708             this.setThumbBoxPosition();
 709             this.setCanvasPosition();
 710         }
 711
 712         this.draw();
 713
 714         this.fireEvent('rotate', this, 'left');
 715
 716     },
 717
 718     onRotateRight : function(e)
 719     {
 720         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 721
 722             var minScale = this.thumbEl.getWidth() / this.minWidth;
 723
 724             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 725             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 726
 727             this.startScale = this.scale;
 728
 729             while (this.getScaleLevel() < minScale){
 730
 731                 this.scale = this.scale + 1;
 732
 733                 if(!this.zoomable()){
 734                     break;
 735                 }
 736
 737                 if(
 738                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 739                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 740                 ){
 741                     continue;
 742                 }
 743
 744                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 745
 746                 this.draw();
 747
 748                 return;
 749             }
 750
 751             this.scale = this.startScale;
 752
 753             this.onRotateFail();
 754
 755             return false;
 756         }
 757
 758         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 759
 760         if(this.isDocument){
 761             this.setThumbBoxSize();
 762             this.setThumbBoxPosition();
 763             this.setCanvasPosition();
 764         }
 765
 766         this.draw();
 767
 768         this.fireEvent('rotate', this, 'right');
 769     },
 770
 771     onRotateFail : function()
 772     {
 773         this.errorEl.show(true);
 774
 775         var _this = this;
 776
 777         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 778     },
 779
 780     draw : function()
 781     {
 782         this.previewEl.dom.innerHTML = '';
 783
 784         var canvasEl = document.createElement("canvas");
 785
 786         var contextEl = canvasEl.getContext("2d");
 787
 788         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 789         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 790         var center = this.imageEl.OriginWidth / 2;
 791
 792         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 793             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 794             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 795             center = this.imageEl.OriginHeight / 2;
 796         }
 797
 798         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 799
 800         contextEl.translate(center, center);
 801         contextEl.rotate(this.rotate * Math.PI / 180);
 802
 803         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 804
 805         this.canvasEl = document.createElement("canvas");
 806
 807         this.contextEl = this.canvasEl.getContext("2d");
 808
 809         switch (this.rotate) {
 810             case 0 :
 811
 812                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 813                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 814
 815                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 816
 817                 break;
 818             case 90 :
 819
 820                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 821                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 822
 823                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 824                     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);
 825                     break;
 826                 }
 827
 828                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 829
 830                 break;
 831             case 180 :
 832
 833                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 834                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 835
 836                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 837                     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);
 838                     break;
 839                 }
 840
 841                 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);
 842
 843                 break;
 844             case 270 :
 845
 846                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 847                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 848
 849                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 850                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 851                     break;
 852                 }
 853
 854                 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);
 855
 856                 break;
 857             default :
 858                 break;
 859         }
 860
 861         this.previewEl.appendChild(this.canvasEl);
 862
 863         this.setCanvasPosition();
 864     },
 865
 866     crop : function()
 867     {
 868         if(!this.canvasLoaded){
 869             return;
 870         }
 871
 872         var imageCanvas = document.createElement("canvas");
 873
 874         var imageContext = imageCanvas.getContext("2d");
 875
 876         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 877         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 878
 879         var center = imageCanvas.width / 2;
 880
 881         imageContext.translate(center, center);
 882
 883         imageContext.rotate(this.rotate * Math.PI / 180);
 884
 885         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 886
 887         var canvas = document.createElement("canvas");
 888
 889         var context = canvas.getContext("2d");
 890
 891         canvas.width = this.minWidth;
 892         canvas.height = this.minHeight;
 893
 894         switch (this.rotate) {
 895             case 0 :
 896
 897                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 898                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 899
 900                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 901                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 902
 903                 var targetWidth = this.minWidth - 2 * x;
 904                 var targetHeight = this.minHeight - 2 * y;
 905
 906                 var scale = 1;
 907
 908                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 909                     scale = targetWidth / width;
 910                 }
 911
 912                 if(x > 0 && y == 0){
 913                     scale = targetHeight / height;
 914                 }
 915
 916                 if(x > 0 && y > 0){
 917                     scale = targetWidth / width;
 918
 919                     if(width < height){
 920                         scale = targetHeight / height;
 921                     }
 922                 }
 923
 924                 context.scale(scale, scale);
 925
 926                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 927                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 928
 929                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 930                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 931
 932                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 933
 934                 break;
 935             case 90 :
 936
 937                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 938                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 939
 940                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 941                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 942
 943                 var targetWidth = this.minWidth - 2 * x;
 944                 var targetHeight = this.minHeight - 2 * y;
 945
 946                 var scale = 1;
 947
 948                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 949                     scale = targetWidth / width;
 950                 }
 951
 952                 if(x > 0 && y == 0){
 953                     scale = targetHeight / height;
 954                 }
 955
 956                 if(x > 0 && y > 0){
 957                     scale = targetWidth / width;
 958
 959                     if(width < height){
 960                         scale = targetHeight / height;
 961                     }
 962                 }
 963
 964                 context.scale(scale, scale);
 965
 966                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 967                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 968
 969                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 970                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 971
 972                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 973
 974                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 975
 976                 break;
 977             case 180 :
 978
 979                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 980                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 981
 982                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 983                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 984
 985                 var targetWidth = this.minWidth - 2 * x;
 986                 var targetHeight = this.minHeight - 2 * y;
 987
 988                 var scale = 1;
 989
 990                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 991                     scale = targetWidth / width;
 992                 }
 993
 994                 if(x > 0 && y == 0){
 995                     scale = targetHeight / height;
 996                 }
 997
 998                 if(x > 0 && y > 0){
 999                     scale = targetWidth / width;
1000
1001                     if(width < height){
1002                         scale = targetHeight / height;
1003                     }
1004                 }
1005
1006                 context.scale(scale, scale);
1007
1008                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1009                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1010
1011                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1012                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1013
1014                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1015                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1016
1017                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1018
1019                 break;
1020             case 270 :
1021
1022                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1023                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1024
1025                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1026                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1027
1028                 var targetWidth = this.minWidth - 2 * x;
1029                 var targetHeight = this.minHeight - 2 * y;
1030
1031                 var scale = 1;
1032
1033                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1034                     scale = targetWidth / width;
1035                 }
1036
1037                 if(x > 0 && y == 0){
1038                     scale = targetHeight / height;
1039                 }
1040
1041                 if(x > 0 && y > 0){
1042                     scale = targetWidth / width;
1043
1044                     if(width < height){
1045                         scale = targetHeight / height;
1046                     }
1047                 }
1048
1049                 context.scale(scale, scale);
1050
1051                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1052                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1053
1054                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1055                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1056
1057                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1058
1059                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1060
1061                 break;
1062             default :
1063                 break;
1064         }
1065
1066         this.cropData = canvas.toDataURL(this.cropType);
1067
1068         if(this.fireEvent('crop', this, this.cropData) !== false){
1069             this.process(this.file, this.cropData);
1070         }
1071
1072         return;
1073
1074     },
1075
1076     setThumbBoxSize : function()
1077     {
1078         var width, height;
1079
1080         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1081             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1082             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1083
1084             this.minWidth = width;
1085             this.minHeight = height;
1086
1087             if(this.rotate == 90 || this.rotate == 270){
1088                 this.minWidth = height;
1089                 this.minHeight = width;
1090             }
1091         }
1092
1093         height = 300;
1094         width = Math.ceil(this.minWidth * height / this.minHeight);
1095
1096         if(this.minWidth > this.minHeight){
1097             width = 300;
1098             height = Math.ceil(this.minHeight * width / this.minWidth);
1099         }
1100
1101         this.thumbEl.setStyle({
1102             width : width + 'px',
1103             height : height + 'px'
1104         });
1105
1106         return;
1107
1108     },
1109
1110     setThumbBoxPosition : function()
1111     {
1112         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1113         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1114
1115         this.thumbEl.setLeft(x);
1116         this.thumbEl.setTop(y);
1117
1118     },
1119
1120     baseRotateLevel : function()
1121     {
1122         this.baseRotate = 1;
1123
1124         if(
1125                 typeof(this.exif) != 'undefined' &&
1126                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1127                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1128         ){
1129             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1130         }
1131
1132         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1133
1134     },
1135
1136     baseScaleLevel : function()
1137     {
1138         var width, height;
1139
1140         if(this.isDocument){
1141
1142             if(this.baseRotate == 6 || this.baseRotate == 8){
1143
1144                 height = this.thumbEl.getHeight();
1145                 this.baseScale = height / this.imageEl.OriginWidth;
1146
1147                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1148                     width = this.thumbEl.getWidth();
1149                     this.baseScale = width / this.imageEl.OriginHeight;
1150                 }
1151
1152                 return;
1153             }
1154
1155             height = this.thumbEl.getHeight();
1156             this.baseScale = height / this.imageEl.OriginHeight;
1157
1158             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1159                 width = this.thumbEl.getWidth();
1160                 this.baseScale = width / this.imageEl.OriginWidth;
1161             }
1162
1163             return;
1164         }
1165
1166         if(this.baseRotate == 6 || this.baseRotate == 8){
1167
1168             width = this.thumbEl.getHeight();
1169             this.baseScale = width / this.imageEl.OriginHeight;
1170
1171             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1172                 height = this.thumbEl.getWidth();
1173                 this.baseScale = height / this.imageEl.OriginHeight;
1174             }
1175
1176             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1177                 height = this.thumbEl.getWidth();
1178                 this.baseScale = height / this.imageEl.OriginHeight;
1179
1180                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1181                     width = this.thumbEl.getHeight();
1182                     this.baseScale = width / this.imageEl.OriginWidth;
1183                 }
1184             }
1185
1186             return;
1187         }
1188
1189         width = this.thumbEl.getWidth();
1190         this.baseScale = width / this.imageEl.OriginWidth;
1191
1192         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1193             height = this.thumbEl.getHeight();
1194             this.baseScale = height / this.imageEl.OriginHeight;
1195         }
1196
1197         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1198
1199             height = this.thumbEl.getHeight();
1200             this.baseScale = height / this.imageEl.OriginHeight;
1201
1202             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1203                 width = this.thumbEl.getWidth();
1204                 this.baseScale = width / this.imageEl.OriginWidth;
1205             }
1206
1207         }
1208
1209         return;
1210     },
1211
1212     getScaleLevel : function()
1213     {
1214         console.log("BASESCALE: " + this.baseScale);
1215         return this.baseScale * Math.pow(1.02, this.scale);
1216     },
1217
1218     onTouchStart : function(e)
1219     {
1220         if(!this.canvasLoaded){
1221             this.beforeSelectFile(e);
1222             return;
1223         }
1224
1225         var touches = e.browserEvent.touches;
1226
1227         if(!touches){
1228             return;
1229         }
1230
1231         if(touches.length == 1){
1232             this.onMouseDown(e);
1233             return;
1234         }
1235
1236         if(touches.length != 2){
1237             return;
1238         }
1239
1240         var coords = [];
1241
1242         for(var i = 0, finger; finger = touches[i]; i++){
1243             coords.push(finger.pageX, finger.pageY);
1244         }
1245
1246         var x = Math.pow(coords[0] - coords[2], 2);
1247         var y = Math.pow(coords[1] - coords[3], 2);
1248
1249         this.startDistance = Math.sqrt(x + y);
1250
1251         this.startScale = this.scale;
1252
1253         this.pinching = true;
1254         this.dragable = false;
1255
1256     },
1257
1258     onTouchMove : function(e)
1259     {
1260         if(!this.pinching && !this.dragable){
1261             return;
1262         }
1263
1264         var touches = e.browserEvent.touches;
1265
1266         if(!touches){
1267             return;
1268         }
1269
1270         if(this.dragable){
1271             this.onMouseMove(e);
1272             return;
1273         }
1274
1275         var coords = [];
1276
1277         for(var i = 0, finger; finger = touches[i]; i++){
1278             coords.push(finger.pageX, finger.pageY);
1279         }
1280
1281         var x = Math.pow(coords[0] - coords[2], 2);
1282         var y = Math.pow(coords[1] - coords[3], 2);
1283
1284         this.endDistance = Math.sqrt(x + y);
1285
1286         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1287
1288         if(!this.zoomable()){
1289             this.scale = this.startScale;
1290             return;
1291         }
1292
1293         this.draw();
1294
1295     },
1296
1297     onTouchEnd : function(e)
1298     {
1299         this.pinching = false;
1300         this.dragable = false;
1301
1302     },
1303
1304     process : function(file, crop)
1305     {
1306         if(this.loadMask){
1307             this.maskEl.mask(this.loadingText);
1308         }
1309
1310         this.xhr = new XMLHttpRequest();
1311
1312         file.xhr = this.xhr;
1313
1314         this.xhr.open(this.method, this.url, true);
1315
1316         var headers = {
1317             "Accept": "application/json",
1318             "Cache-Control": "no-cache",
1319             "X-Requested-With": "XMLHttpRequest"
1320         };
1321
1322         for (var headerName in headers) {
1323             var headerValue = headers[headerName];
1324             if (headerValue) {
1325                 this.xhr.setRequestHeader(headerName, headerValue);
1326             }
1327         }
1328
1329         var _this = this;
1330
1331         this.xhr.onload = function()
1332         {
1333             _this.xhrOnLoad(_this.xhr);
1334         }
1335
1336         this.xhr.onerror = function()
1337         {
1338             _this.xhrOnError(_this.xhr);
1339         }
1340
1341         var formData = new FormData();
1342
1343         formData.append('returnHTML', 'NO');
1344
1345         if(crop){
1346             formData.append('crop', crop);
1347         }
1348
1349         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1350             formData.append(this.paramName, file, file.name);
1351         }
1352
1353         if(typeof(file.filename) != 'undefined'){
1354             formData.append('filename', file.filename);
1355         }
1356
1357         if(typeof(file.mimetype) != 'undefined'){
1358             formData.append('mimetype', file.mimetype);
1359         }
1360
1361         if(this.fireEvent('arrange', this, formData) != false){
1362             this.xhr.send(formData);
1363         };
1364     },
1365
1366     xhrOnLoad : function(xhr)
1367     {
1368         if(this.loadMask){
1369             this.maskEl.unmask();
1370         }
1371
1372         if (xhr.readyState !== 4) {
1373             this.fireEvent('exception', this, xhr);
1374             return;
1375         }
1376
1377         var response = Roo.decode(xhr.responseText);
1378
1379         if(!response.success){
1380             this.fireEvent('exception', this, xhr);
1381             return;
1382         }
1383
1384         var response = Roo.decode(xhr.responseText);
1385
1386         this.fireEvent('upload', this, response);
1387
1388     },
1389
1390     xhrOnError : function()
1391     {
1392         if(this.loadMask){
1393             this.maskEl.unmask();
1394         }
1395
1396         Roo.log('xhr on error');
1397
1398         var response = Roo.decode(xhr.responseText);
1399
1400         Roo.log(response);
1401
1402     },
1403
1404     prepare : function(file)
1405     {
1406         if(this.loadMask){
1407             this.maskEl.mask(this.loadingText);
1408         }
1409
1410         this.file = false;
1411         this.exif = {};
1412
1413         if(typeof(file) === 'string'){
1414             this.loadCanvas(file);
1415             return;
1416         }
1417
1418         if(!file || !this.urlAPI){
1419             return;
1420         }
1421
1422         this.file = file;
1423         this.cropType = file.type;
1424
1425         var _this = this;
1426
1427         if(this.fireEvent('prepare', this, this.file) != false){
1428
1429             var reader = new FileReader();
1430
1431             reader.onload = function (e) {
1432                 if (e.target.error) {
1433                     Roo.log(e.target.error);
1434                     return;
1435                 }
1436
1437                 var buffer = e.target.result,
1438                     dataView = new DataView(buffer),
1439                     offset = 2,
1440                     maxOffset = dataView.byteLength - 4,
1441                     markerBytes,
1442                     markerLength;
1443
1444                 if (dataView.getUint16(0) === 0xffd8) {
1445                     while (offset < maxOffset) {
1446                         markerBytes = dataView.getUint16(offset);
1447
1448                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1449                             markerLength = dataView.getUint16(offset + 2) + 2;
1450                             if (offset + markerLength > dataView.byteLength) {
1451                                 Roo.log('Invalid meta data: Invalid segment size.');
1452                                 break;
1453                             }
1454
1455                             if(markerBytes == 0xffe1){
1456                                 _this.parseExifData(
1457                                     dataView,
1458                                     offset,
1459                                     markerLength
1460                                 );
1461                             }
1462
1463                             offset += markerLength;
1464
1465                             continue;
1466                         }
1467
1468                         break;
1469                     }
1470
1471                 }
1472
1473                 var url = _this.urlAPI.createObjectURL(_this.file);
1474
1475                 _this.loadCanvas(url);
1476
1477                 return;
1478             }
1479
1480             reader.readAsArrayBuffer(this.file);
1481
1482         }
1483
1484     },
1485
1486     parseExifData : function(dataView, offset, length)
1487     {
1488         var tiffOffset = offset + 10,
1489             littleEndian,
1490             dirOffset;
1491
1492         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1493             // No Exif data, might be XMP data instead
1494             return;
1495         }
1496
1497         // Check for the ASCII code for "Exif" (0x45786966):
1498         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1499             // No Exif data, might be XMP data instead
1500             return;
1501         }
1502         if (tiffOffset + 8 > dataView.byteLength) {
1503             Roo.log('Invalid Exif data: Invalid segment size.');
1504             return;
1505         }
1506         // Check for the two null bytes:
1507         if (dataView.getUint16(offset + 8) !== 0x0000) {
1508             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1509             return;
1510         }
1511         // Check the byte alignment:
1512         switch (dataView.getUint16(tiffOffset)) {
1513         case 0x4949:
1514             littleEndian = true;
1515             break;
1516         case 0x4D4D:
1517             littleEndian = false;
1518             break;
1519         default:
1520             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1521             return;
1522         }
1523         // Check for the TIFF tag marker (0x002A):
1524         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1525             Roo.log('Invalid Exif data: Missing TIFF marker.');
1526             return;
1527         }
1528         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1529         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1530
1531         this.parseExifTags(
1532             dataView,
1533             tiffOffset,
1534             tiffOffset + dirOffset,
1535             littleEndian
1536         );
1537     },
1538
1539     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1540     {
1541         var tagsNumber,
1542             dirEndOffset,
1543             i;
1544         if (dirOffset + 6 > dataView.byteLength) {
1545             Roo.log('Invalid Exif data: Invalid directory offset.');
1546             return;
1547         }
1548         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1549         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1550         if (dirEndOffset + 4 > dataView.byteLength) {
1551             Roo.log('Invalid Exif data: Invalid directory size.');
1552             return;
1553         }
1554         for (i = 0; i < tagsNumber; i += 1) {
1555             this.parseExifTag(
1556                 dataView,
1557                 tiffOffset,
1558                 dirOffset + 2 + 12 * i, // tag offset
1559                 littleEndian
1560             );
1561         }
1562         // Return the offset to the next directory:
1563         return dataView.getUint32(dirEndOffset, littleEndian);
1564     },
1565
1566     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1567     {
1568         var tag = dataView.getUint16(offset, littleEndian);
1569
1570         this.exif[tag] = this.getExifValue(
1571             dataView,
1572             tiffOffset,
1573             offset,
1574             dataView.getUint16(offset + 2, littleEndian), // tag type
1575             dataView.getUint32(offset + 4, littleEndian), // tag length
1576             littleEndian
1577         );
1578     },
1579
1580     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1581     {
1582         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1583             tagSize,
1584             dataOffset,
1585             values,
1586             i,
1587             str,
1588             c;
1589
1590         if (!tagType) {
1591             Roo.log('Invalid Exif data: Invalid tag type.');
1592             return;
1593         }
1594
1595         tagSize = tagType.size * length;
1596         // Determine if the value is contained in the dataOffset bytes,
1597         // or if the value at the dataOffset is a pointer to the actual data:
1598         dataOffset = tagSize > 4 ?
1599                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1600         if (dataOffset + tagSize > dataView.byteLength) {
1601             Roo.log('Invalid Exif data: Invalid data offset.');
1602             return;
1603         }
1604         if (length === 1) {
1605             return tagType.getValue(dataView, dataOffset, littleEndian);
1606         }
1607         values = [];
1608         for (i = 0; i < length; i += 1) {
1609             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1610         }
1611
1612         if (tagType.ascii) {
1613             str = '';
1614             // Concatenate the chars:
1615             for (i = 0; i < values.length; i += 1) {
1616                 c = values[i];
1617                 // Ignore the terminating NULL byte(s):
1618                 if (c === '\u0000') {
1619                     break;
1620                 }
1621                 str += c;
1622             }
1623             return str;
1624         }
1625         return values;
1626     }
1627
1628 });
1629
1630 Roo.apply(Roo.dialog.UploadCropbox, {
1631     tags : {
1632         'Orientation': 0x0112
1633     },
1634
1635     Orientation: {
1636             1: 0, //'top-left',
1637 //            2: 'top-right',
1638             3: 180, //'bottom-right',
1639 //            4: 'bottom-left',
1640 //            5: 'left-top',
1641             6: 90, //'right-top',
1642 //            7: 'right-bottom',
1643             8: 270 //'left-bottom'
1644     },
1645
1646     exifTagTypes : {
1647         // byte, 8-bit unsigned int:
1648         1: {
1649             getValue: function (dataView, dataOffset) {
1650                 return dataView.getUint8(dataOffset);
1651             },
1652             size: 1
1653         },
1654         // ascii, 8-bit byte:
1655         2: {
1656             getValue: function (dataView, dataOffset) {
1657                 return String.fromCharCode(dataView.getUint8(dataOffset));
1658             },
1659             size: 1,
1660             ascii: true
1661         },
1662         // short, 16 bit int:
1663         3: {
1664             getValue: function (dataView, dataOffset, littleEndian) {
1665                 return dataView.getUint16(dataOffset, littleEndian);
1666             },
1667             size: 2
1668         },
1669         // long, 32 bit int:
1670         4: {
1671             getValue: function (dataView, dataOffset, littleEndian) {
1672                 return dataView.getUint32(dataOffset, littleEndian);
1673             },
1674             size: 4
1675         },
1676         // rational = two long values, first is numerator, second is denominator:
1677         5: {
1678             getValue: function (dataView, dataOffset, littleEndian) {
1679                 return dataView.getUint32(dataOffset, littleEndian) /
1680                     dataView.getUint32(dataOffset + 4, littleEndian);
1681             },
1682             size: 8
1683         },
1684         // slong, 32 bit signed int:
1685         9: {
1686             getValue: function (dataView, dataOffset, littleEndian) {
1687                 return dataView.getInt32(dataOffset, littleEndian);
1688             },
1689             size: 4
1690         },
1691         // srational, two slongs, first is numerator, second is denominator:
1692         10: {
1693             getValue: function (dataView, dataOffset, littleEndian) {
1694                 return dataView.getInt32(dataOffset, littleEndian) /
1695                     dataView.getInt32(dataOffset + 4, littleEndian);
1696             },
1697             size: 8
1698         }
1699     },
1700
1701     footer : {
1702         STANDARD : [
1703             {
1704                 tag : 'div',
1705                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1706                 action : 'rotate-left',
1707                 cn : [
1708                     {
1709                         tag : 'button',
1710                         cls : 'btn btn-default',
1711                         html : '<i class="fa fa-undo"></i>'
1712                     }
1713                 ]
1714             },
1715             {
1716                 tag : 'div',
1717                 cls : 'btn-group roo-upload-cropbox-picture',
1718                 action : 'picture',
1719                 cn : [
1720                     {
1721                         tag : 'button',
1722                         cls : 'btn btn-default',
1723                         html : '<i class="fa fa-picture-o"></i>'
1724                     }
1725                 ]
1726             },
1727             {
1728                 tag : 'div',
1729                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1730                 action : 'rotate-right',
1731                 cn : [
1732                     {
1733                         tag : 'button',
1734                         cls : 'btn btn-default',
1735                         html : '<i class="fa fa-repeat"></i>'
1736                     }
1737                 ]
1738             }
1739         ],
1740         DOCUMENT : [
1741             {
1742                 tag : 'div',
1743                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1744                 action : 'rotate-left',
1745                 cn : [
1746                     {
1747                         tag : 'button',
1748                         cls : 'btn btn-default',
1749                         html : '<i class="fa fa-undo"></i>'
1750                     }
1751                 ]
1752             },
1753             {
1754                 tag : 'div',
1755                 cls : 'btn-group roo-upload-cropbox-download',
1756                 action : 'download',
1757                 cn : [
1758                     {
1759                         tag : 'button',
1760                         cls : 'btn btn-default',
1761                         html : '<i class="fa fa-download"></i>'
1762                     }
1763                 ]
1764             },
1765             {
1766                 tag : 'div',
1767                 cls : 'btn-group roo-upload-cropbox-crop',
1768                 action : 'crop',
1769                 cn : [
1770                     {
1771                         tag : 'button',
1772                         cls : 'btn btn-default',
1773                         html : '<i class="fa fa-crop"></i>'
1774                     }
1775                 ]
1776             },
1777             {
1778                 tag : 'div',
1779                 cls : 'btn-group roo-upload-cropbox-trash',
1780                 action : 'trash',
1781                 cn : [
1782                     {
1783                         tag : 'button',
1784                         cls : 'btn btn-default',
1785                         html : '<i class="fa fa-trash"></i>'
1786                     }
1787                 ]
1788             },
1789             {
1790                 tag : 'div',
1791                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1792                 action : 'rotate-right',
1793                 cn : [
1794                     {
1795                         tag : 'button',
1796                         cls : 'btn btn-default',
1797                         html : '<i class="fa fa-repeat"></i>'
1798                     }
1799                 ]
1800             }
1801         ],
1802         ROTATOR : [
1803             {
1804                 tag : 'div',
1805                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1806                 action : 'rotate-left',
1807                 cn : [
1808                     {
1809                         tag : 'button',
1810                         cls : 'btn btn-default',
1811                         html : '<i class="fa fa-undo"></i>'
1812                     }
1813                 ]
1814             },
1815             {
1816                 tag : 'div',
1817                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1818                 action : 'rotate-right',
1819                 cn : [
1820                     {
1821                         tag : 'button',
1822                         cls : 'btn btn-default',
1823                         html : '<i class="fa fa-repeat"></i>'
1824                     }
1825                 ]
1826             }
1827         ]
1828     }
1829 });