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