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