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

   1
   2 /*
   3 * Licence: LGPL
   4 */
   5
   6 /**
   7  * @class Roo.dialog.UploadCropbox
   8  * @extends Roo.BoxComponent
   9  * Dialog UploadCropbox class
  10  * @cfg {String} emptyText show when image has been loaded
  11  * @cfg {String} rotateNotify show when image too small to rotate
  12  * @cfg {Number} errorTimeout default 3000
  13  * @cfg {Number} minWidth default 300
  14  * @cfg {Number} minHeight default 300
  15  * @cfg {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
  16  * @cfg {Boolean} isDocument (true|false) default false
  17  * @cfg {String} url action url
  18  * @cfg {String} paramName default 'imageUpload'
  19  * @cfg {String} method default POST
  20  * @cfg {Boolean} loadMask (true|false) default true
  21  * @cfg {Boolean} loadingText default 'Loading...'
  22  *
  23  * @constructor
  24  * Create a new UploadCropbox
  25  * @param {Object} config The config object
  26  */
  27
  28  Roo.dialog.UploadCropbox = function(config){
  29     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  30
  31     this.addEvents({
  32         /**
  33          * @event beforeselectfile
  34          * Fire before select file
  35          * @param {Roo.dialog.UploadCropbox} this
  36          */
  37         "beforeselectfile" : true,
  38         /**
  39          * @event initial
  40          * Fire after initEvent
  41          * @param {Roo.dialog.UploadCropbox} this
  42          */
  43         "initial" : true,
  44         /**
  45          * @event crop
  46          * Fire after initEvent
  47          * @param {Roo.dialog.UploadCropbox} this
  48          * @param {String} data
  49          */
  50         "crop" : true,
  51         /**
  52          * @event prepare
  53          * Fire when preparing the file data
  54          * @param {Roo.dialog.UploadCropbox} this
  55          * @param {Object} file
  56          */
  57         "prepare" : true,
  58         /**
  59          * @event exception
  60          * Fire when get exception
  61          * @param {Roo.dialog.UploadCropbox} this
  62          * @param {XMLHttpRequest} xhr
  63          */
  64         "exception" : true,
  65         /**
  66          * @event beforeloadcanvas
  67          * Fire before load the canvas
  68          * @param {Roo.dialog.UploadCropbox} this
  69          * @param {String} src
  70          */
  71         "beforeloadcanvas" : true,
  72         /**
  73          * @event trash
  74          * Fire when trash image
  75          * @param {Roo.dialog.UploadCropbox} this
  76          */
  77         "trash" : true,
  78         /**
  79          * @event download
  80          * Fire when download the image
  81          * @param {Roo.dialog.UploadCropbox} this
  82          */
  83         "download" : true,
  84         /**
  85          * @event footerbuttonclick
  86          * Fire when footerbuttonclick
  87          * @param {Roo.dialog.UploadCropbox} this
  88          * @param {String} type
  89          */
  90         "footerbuttonclick" : true,
  91         /**
  92          * @event resize
  93          * Fire when resize
  94          * @param {Roo.dialog.UploadCropbox} this
  95          */
  96         "resize" : true,
  97         /**
  98          * @event rotate
  99          * Fire when rotate the image
 100          * @param {Roo.dialog.UploadCropbox} this
 101          * @param {String} pos
 102          */
 103         "rotate" : true,
 104         /**
 105          * @event inspect
 106          * Fire when inspect the file
 107          * @param {Roo.dialog.UploadCropbox} this
 108          * @param {Object} file
 109          */
 110         "inspect" : true,
 111         /**
 112          * @event upload
 113          * Fire when xhr upload the file
 114          * @param {Roo.dialog.UploadCropbox} this
 115          * @param {Object} data
 116          */
 117         "upload" : true,
 118         /**
 119          * @event arrange
 120          * Fire when arrange the file data
 121          * @param {Roo.dialog.UploadCropbox} this
 122          * @param {Object} formData
 123          */
 124         "arrange" : true,
 125         /**
 126          * @event loadcanvas
 127          * Fire after load the canvas
 128          * @param {Roo.dialog.UploadCropbox}
 129          * @param {Object} imgEl
 130          */
 131         "loadcanvas" : true
 132     });
 133
 134     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 135 };
 136
 137 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 138
 139     emptyText : 'Click to upload image',
 140     rotateNotify : 'Image is too small to rotate',
 141     errorTimeout : 3000,
 142     scale : 0,
 143     baseScale : 1,
 144     rotate : 0,
 145     dragable : false,
 146     pinching : false,
 147     mouseX : 0,
 148     mouseY : 0,
 149     cropData : false,
 150     minWidth : 300,
 151     minHeight : 300,
 152     file : false,
 153     exif : {},
 154     baseRotate : 1,
 155     cropType : 'image/jpeg',
 156     buttons : false,
 157     canvasLoaded : false,
 158     isDocument : false,
 159     method : 'POST',
 160     paramName : 'imageUpload',
 161     loadMask : true,
 162     loadingText : 'Loading...',
 163     maskEl : false,
 164
 165     getAutoCreate : function()
 166     {
 167         var cfg = {
 168             tag : 'div',
 169             cls : 'roo-upload-cropbox',
 170             cn : [
 171                 {
 172                     tag : 'input',
 173                     cls : 'roo-upload-cropbox-selector',
 174                     type : 'file'
 175                 },
 176                 {
 177                     tag : 'div',
 178                     cls : 'roo-upload-cropbox-body',
 179                     style : 'cursor:pointer',
 180                     cn : [
 181                         {
 182                             tag : 'div',
 183                             cls : 'roo-upload-cropbox-preview'
 184                         },
 185                         {
 186                             tag : 'div',
 187                             cls : 'roo-upload-cropbox-thumb'
 188                         },
 189                         {
 190                             tag : 'div',
 191                             cls : 'roo-upload-cropbox-empty-notify',
 192                             html : this.emptyText
 193                         },
 194                         {
 195                             tag : 'div',
 196                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 197                             html : this.rotateNotify
 198                         }
 199                     ]
 200                 },
 201                 {
 202                     tag : 'div',
 203                     cls : 'roo-upload-cropbox-footer',
 204                     cn : {
 205                         tag : 'div',
 206                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 207                         cn : []
 208                     }
 209                 }
 210             ]
 211         };
 212
 213         return cfg;
 214     },
 215
 216     onRender : function(ct, position)
 217     {
 218         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 219
 220         if(this.el){
 221             if (this.el.attr('xtype')) {
 222                 this.el.attr('xtypex', this.el.attr('xtype'));
 223                 this.el.dom.removeAttribute('xtype');
 224
 225                 this.initEvents();
 226             }
 227         }
 228         else {
 229             var cfg = Roo.apply({},  this.getAutoCreate());
 230
 231             cfg.id = this.id || Roo.id();
 232
 233             if (this.cls) {
 234                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 235             }
 236
 237             if (this.style) { // fixme needs to support more complex style data.
 238                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 239             }
 240
 241             this.el = ct.createChild(cfg, position);
 242
 243             this.initEvents();
 244         }
 245
 246         if (this.buttons.length) {
 247
 248             Roo.each(this.buttons, function(bb) {
 249
 250                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 251
 252                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 253
 254             }, this);
 255         }
 256
 257         if(this.loadMask){
 258             this.maskEl = this.el;
 259         }
 260     },
 261
 262     initEvents : function()
 263     {
 264         this.urlAPI = (window.createObjectURL && window) ||
 265                                 (window.URL && URL.revokeObjectURL && URL) ||
 266                                 (window.webkitURL && webkitURL);
 267
 268         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 269         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 270
 271         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 272         this.selectorEl.hide();
 273
 274         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 275         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 276
 277         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 278         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 279         this.thumbEl.hide();
 280
 281         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 282         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 283
 284         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 285         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 286         this.errorEl.hide();
 287
 288         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 289         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 290         this.footerEl.hide();
 291
 292         this.setThumbBoxSize();
 293
 294         this.bind();
 295
 296         this.resize();
 297
 298         this.fireEvent('initial', this);
 299     },
 300
 301     bind : function()
 302     {
 303         var _this = this;
 304
 305         window.addEventListener("resize", function() { _this.resize(); } );
 306
 307         this.bodyEl.on('click', this.beforeSelectFile, this);
 308
 309         if(Roo.isTouch){
 310             this.bodyEl.on('touchstart', this.onTouchStart, this);
 311             this.bodyEl.on('touchmove', this.onTouchMove, this);
 312             this.bodyEl.on('touchend', this.onTouchEnd, this);
 313         }
 314
 315         if(!Roo.isTouch){
 316             this.bodyEl.on('mousedown', this.onMouseDown, this);
 317             this.bodyEl.on('mousemove', this.onMouseMove, this);
 318             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 319             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 320             Roo.get(document).on('mouseup', this.onMouseUp, this);
 321         }
 322
 323         this.selectorEl.on('change', this.onFileSelected, this);
 324     },
 325
 326     reset : function()
 327     {
 328         this.scale = 0;
 329         this.baseScale = 1;
 330         this.rotate = 0;
 331         this.baseRotate = 1;
 332         this.dragable = false;
 333         this.pinching = false;
 334         this.mouseX = 0;
 335         this.mouseY = 0;
 336         this.cropData = false;
 337         this.notifyEl.dom.innerHTML = this.emptyText;
 338
 339         // this.selectorEl.dom.value = '';
 340
 341     },
 342
 343     resize : function()
 344     {
 345         if(this.fireEvent('resize', this) != false){
 346             this.setThumbBoxPosition();
 347             this.setCanvasPosition();
 348         }
 349     },
 350
 351     onFooterButtonClick : function(e, el, o, type)
 352     {
 353         switch (type) {
 354             case 'rotate-left' :
 355                 this.onRotateLeft(e);
 356                 break;
 357             case 'rotate-right' :
 358                 this.onRotateRight(e);
 359                 break;
 360             case 'picture' :
 361                 this.beforeSelectFile(e);
 362                 break;
 363             case 'trash' :
 364                 this.trash(e);
 365                 break;
 366             case 'crop' :
 367                 this.crop(e);
 368                 break;
 369             case 'download' :
 370                 this.download(e);
 371                 break;
 372             default :
 373                 break;
 374         }
 375
 376         this.fireEvent('footerbuttonclick', this, type);
 377     },
 378
 379     beforeSelectFile : function(e)
 380     {
 381         e.preventDefault();
 382
 383         if(this.fireEvent('beforeselectfile', this) != false){
 384             this.selectorEl.dom.click();
 385         }
 386     },
 387
 388     onFileSelected : function(e)
 389     {
 390         e.preventDefault();
 391
 392         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 393             return;
 394         }
 395
 396         var file = this.selectorEl.dom.files[0];
 397
 398         if(this.fireEvent('inspect', this, file) != false){
 399             this.prepare(file);
 400         }
 401
 402     },
 403
 404     trash : function(e)
 405     {
 406         this.fireEvent('trash', this);
 407     },
 408
 409     download : function(e)
 410     {
 411         this.fireEvent('download', this);
 412     },
 413
 414     loadCanvas : function(src)
 415     {
 416         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 417
 418             this.reset();
 419
 420             this.imageEl = document.createElement('img');
 421
 422             var _this = this;
 423
 424             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 425
 426             this.imageEl.src = src;
 427         }
 428     },
 429
 430     onLoadCanvas : function()
 431     {
 432         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 433         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 434
 435         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 436
 437             this.bodyEl.un('click', this.beforeSelectFile, this);
 438
 439             this.notifyEl.hide();
 440             this.thumbEl.show();
 441             this.footerEl.show();
 442
 443             this.baseRotateLevel();
 444
 445             if(this.isDocument){
 446                 this.setThumbBoxSize();
 447             }
 448
 449             this.setThumbBoxPosition();
 450
 451             this.baseScaleLevel();
 452
 453             this.draw();
 454
 455             this.resize();
 456
 457             this.canvasLoaded = true;
 458
 459         }
 460
 461         if(this.loadMask){
 462             this.maskEl.unmask();
 463         }
 464
 465     },
 466
 467     setCanvasPosition : function()
 468     {
 469         if(!this.canvasEl){
 470             return;
 471         }
 472
 473         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 474         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 475
 476         this.previewEl.setLeft(pw);
 477         this.previewEl.setTop(ph);
 478
 479     },
 480
 481     onMouseDown : function(e)
 482     {
 483         e.stopEvent();
 484
 485         this.dragable = true;
 486         this.pinching = false;
 487
 488         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 489             this.dragable = false;
 490             return;
 491         }
 492
 493         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 494         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 495
 496     },
 497
 498     onMouseMove : function(e)
 499     {
 500         e.stopEvent();
 501
 502         if(!this.canvasLoaded){
 503             return;
 504         }
 505
 506         if (!this.dragable){
 507             return;
 508         }
 509
 510         var minX = Math.ceil(this.thumbEl.getLeft(true));
 511         var minY = Math.ceil(this.thumbEl.getTop(true));
 512
 513         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 514         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 515
 516         if(minX > maxX) {
 517             var tempX = minX;
 518             minX = maxX;
 519             maxX = tempX;
 520         }
 521
 522         if(minY > maxY) {
 523             var tempY = minY;
 524             minY = maxY;
 525             maxY = tempY;
 526         }
 527
 528         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 529         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 530
 531         x = x - this.mouseX;
 532         y = y - this.mouseY;
 533
 534         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 535         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 536
 537         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 538         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 539
 540         this.previewEl.setLeft(bgX);
 541         this.previewEl.setTop(bgY);
 542
 543         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 544         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 545     },
 546
 547     onMouseUp : function(e)
 548     {
 549         e.stopEvent();
 550
 551         this.dragable = false;
 552     },
 553
 554     onMouseWheel : function(e)
 555     {
 556         e.stopEvent();
 557
 558         this.startScale = this.scale;
 559         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 560
 561         if(!this.zoomable()){
 562             this.scale = this.startScale;
 563             return;
 564         }
 565
 566
 567         this.draw();
 568
 569         return;
 570     },
 571
 572     zoomable : function()
 573     {
 574         var minScale = this.thumbEl.getWidth() / this.minWidth;
 575
 576         if(this.minWidth < this.minHeight){
 577             minScale = this.thumbEl.getHeight() / this.minHeight;
 578         }
 579
 580         console.log("MINSCALE: " + minScale);
 581
 582         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 583         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 584
 585         console.log("WIDTH: " + width);
 586         console.log("HEIGHT: " + height);
 587
 588         var maxWidth = this.imageEl.OriginWidth;
 589         var maxHeight = this.imageEl.OriginHeight;
 590
 591         if(
 592                 this.isDocument &&
 593                 (this.rotate == 0 || this.rotate == 180) &&
 594                 (
 595                     width > this.imageEl.OriginWidth ||
 596                     height > this.imageEl.OriginHeight ||
 597                     (width < this.minWidth && height < this.minHeight)
 598                 )
 599         ){
 600             return false;
 601         }
 602
 603         if(
 604                 this.isDocument &&
 605                 (this.rotate == 90 || this.rotate == 270) &&
 606                 (
 607                     width > this.imageEl.OriginWidth ||
 608                     height > this.imageEl.OriginHeight ||
 609                     (width < this.minHeight && height < this.minWidth)
 610                 )
 611         ){
 612             return false;
 613         }
 614
 615         if(
 616                 !this.isDocument &&
 617                 (this.rotate == 0 || this.rotate == 180) &&
 618                 (
 619                     (this.imageEl.OriginWidth >= this.minWidth) && width < this.minWidth ||
 620                     (this.imageEl.OriginHeight >= this.minHeight) && height < this.minHeight ||
 621                     width > maxWidth ||
 622                     height > maxHeight
 623                 )
 624         ){
 625             return false;
 626         }
 627
 628         if(
 629                 !this.isDocument &&
 630                 (this.rotate == 90 || this.rotate == 270) &&
 631                 (
 632                     width < this.minHeight ||
 633                     width > this.imageEl.OriginWidth ||
 634                     height < this.minWidth ||
 635                     height > this.imageEl.OriginHeight
 636                 )
 637         ){
 638             return false;
 639         }
 640
 641         return true;
 642
 643     },
 644
 645     onRotateLeft : function(e)
 646     {
 647         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 648
 649             var minScale = this.thumbEl.getWidth() / this.minWidth;
 650
 651             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 652             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 653
 654             this.startScale = this.scale;
 655
 656             while (this.getScaleLevel() < minScale){
 657
 658                 this.scale = this.scale + 1;
 659
 660                 if(!this.zoomable()){
 661                     break;
 662                 }
 663
 664                 if(
 665                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 666                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 667                 ){
 668                     continue;
 669                 }
 670
 671                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 672
 673                 this.draw();
 674
 675                 return;
 676             }
 677
 678             this.scale = this.startScale;
 679
 680             this.onRotateFail();
 681
 682             return false;
 683         }
 684
 685         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 686
 687         if(this.isDocument){
 688             this.setThumbBoxSize();
 689             this.setThumbBoxPosition();
 690             this.setCanvasPosition();
 691         }
 692
 693         this.draw();
 694
 695         this.fireEvent('rotate', this, 'left');
 696
 697     },
 698
 699     onRotateRight : function(e)
 700     {
 701         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 702
 703             var minScale = this.thumbEl.getWidth() / this.minWidth;
 704
 705             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 706             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 707
 708             this.startScale = this.scale;
 709
 710             while (this.getScaleLevel() < minScale){
 711
 712                 this.scale = this.scale + 1;
 713
 714                 if(!this.zoomable()){
 715                     break;
 716                 }
 717
 718                 if(
 719                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 720                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 721                 ){
 722                     continue;
 723                 }
 724
 725                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 726
 727                 this.draw();
 728
 729                 return;
 730             }
 731
 732             this.scale = this.startScale;
 733
 734             this.onRotateFail();
 735
 736             return false;
 737         }
 738
 739         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 740
 741         if(this.isDocument){
 742             this.setThumbBoxSize();
 743             this.setThumbBoxPosition();
 744             this.setCanvasPosition();
 745         }
 746
 747         this.draw();
 748
 749         this.fireEvent('rotate', this, 'right');
 750     },
 751
 752     onRotateFail : function()
 753     {
 754         this.errorEl.show(true);
 755
 756         var _this = this;
 757
 758         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 759     },
 760
 761     draw : function()
 762     {
 763         console.log("DRAW");
 764         this.previewEl.dom.innerHTML = '';
 765
 766         var canvasEl = document.createElement("canvas");
 767
 768         var contextEl = canvasEl.getContext("2d");
 769
 770         console.log(this.getScaleLevel());
 771
 772         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 773         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 774         var center = this.imageEl.OriginWidth / 2;
 775
 776         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 777             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 778             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 779             center = this.imageEl.OriginHeight / 2;
 780         }
 781
 782         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 783
 784         contextEl.translate(center, center);
 785         contextEl.rotate(this.rotate * Math.PI / 180);
 786
 787         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 788
 789         this.canvasEl = document.createElement("canvas");
 790
 791         this.contextEl = this.canvasEl.getContext("2d");
 792
 793         switch (this.rotate) {
 794             case 0 :
 795
 796                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 797                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 798
 799                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 800
 801                 break;
 802             case 90 :
 803
 804                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 805                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 806
 807                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 808                     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);
 809                     break;
 810                 }
 811
 812                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 813
 814                 break;
 815             case 180 :
 816
 817                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 818                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 819
 820                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 821                     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);
 822                     break;
 823                 }
 824
 825                 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);
 826
 827                 break;
 828             case 270 :
 829
 830                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 831                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 832
 833                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 834                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 835                     break;
 836                 }
 837
 838                 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);
 839
 840                 break;
 841             default :
 842                 break;
 843         }
 844
 845         this.previewEl.appendChild(this.canvasEl);
 846
 847         this.setCanvasPosition();
 848     },
 849
 850     crop : function()
 851     {
 852         console.log("CROP");
 853         if(!this.canvasLoaded){
 854             return;
 855         }
 856
 857         var imageCanvas = document.createElement("canvas");
 858
 859         var imageContext = imageCanvas.getContext("2d");
 860
 861         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 862         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 863
 864         console.log("IMAGECANVAS WIDTH: " + imageCanvas.width);
 865         console.log("IMAGECANVAS HEIGHT: " + imageCanvas.height);
 866
 867         var center = imageCanvas.width / 2;
 868
 869         imageContext.translate(center, center);
 870
 871         imageContext.rotate(this.rotate * Math.PI / 180);
 872
 873         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 874
 875         var canvas = document.createElement("canvas");
 876
 877         var context = canvas.getContext("2d");
 878
 879         canvas.width = this.minWidth;
 880
 881         canvas.height = this.minHeight;
 882
 883         console.log("CANVAS WIDTH: " + canvas.width);
 884         console.log("CANVAS HEIGHT: " + canvas.height);
 885
 886         switch (this.rotate) {
 887             case 0 :
 888
 889                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 890                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 891
 892                 console.log("WIDTH: " + width);
 893                 console.log("HEIGHT: " + height);
 894
 895                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 896                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 897
 898                 console.log("X: " + x);
 899                 console.log("Y: " + y);
 900
 901                 var targetWidth = this.minWidth - 2 * x;
 902                 var targetHeight = this.minHeight - 2 * y;
 903
 904                 console.log("targetWidth: " + targetWidth);
 905                 console.log("targetHeight: " + targetHeight);
 906
 907                 var scale = 1;
 908
 909                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 910                     scale = targetWidth / width;
 911                 }
 912
 913                 if(x > 0 && y == 0){
 914                     scale = targetHeight / height;
 915                 }
 916
 917                 if(x > 0 && y > 0){
 918                     scale = targetWidth / width;
 919
 920                     if(width < height){
 921                         scale = targetHeight / height;
 922                     }
 923                 }
 924
 925                 console.log("scale: " + scale);
 926
 927                 context.scale(scale, scale);
 928
 929                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 930                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 931
 932                 console.log("sx: " + sx);
 933                 console.log("sy: " + sy);
 934
 935                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 936                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 937
 938                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 939
 940                 break;
 941             case 90 :
 942
 943                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 944                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 945
 946                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 947                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 948
 949                 var targetWidth = this.minWidth - 2 * x;
 950                 var targetHeight = this.minHeight - 2 * y;
 951
 952                 var scale = 1;
 953
 954                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 955                     scale = targetWidth / width;
 956                 }
 957
 958                 if(x > 0 && y == 0){
 959                     scale = targetHeight / height;
 960                 }
 961
 962                 if(x > 0 && y > 0){
 963                     scale = targetWidth / width;
 964
 965                     if(width < height){
 966                         scale = targetHeight / height;
 967                     }
 968                 }
 969
 970                 context.scale(scale, scale);
 971
 972                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 973                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 974
 975                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 976                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 977
 978                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 979
 980                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 981
 982                 break;
 983             case 180 :
 984
 985                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 986                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 987
 988                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 989                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 990
 991                 var targetWidth = this.minWidth - 2 * x;
 992                 var targetHeight = this.minHeight - 2 * y;
 993
 994                 var scale = 1;
 995
 996                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 997                     scale = targetWidth / width;
 998                 }
 999
1000                 if(x > 0 && y == 0){
1001                     scale = targetHeight / height;
1002                 }
1003
1004                 if(x > 0 && y > 0){
1005                     scale = targetWidth / width;
1006
1007                     if(width < height){
1008                         scale = targetHeight / height;
1009                     }
1010                 }
1011
1012                 context.scale(scale, scale);
1013
1014                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1015                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1016
1017                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1018                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1019
1020                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1021                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1022
1023                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1024
1025                 break;
1026             case 270 :
1027
1028                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1029                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1030
1031                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1032                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1033
1034                 var targetWidth = this.minWidth - 2 * x;
1035                 var targetHeight = this.minHeight - 2 * y;
1036
1037                 var scale = 1;
1038
1039                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1040                     scale = targetWidth / width;
1041                 }
1042
1043                 if(x > 0 && y == 0){
1044                     scale = targetHeight / height;
1045                 }
1046
1047                 if(x > 0 && y > 0){
1048                     scale = targetWidth / width;
1049
1050                     if(width < height){
1051                         scale = targetHeight / height;
1052                     }
1053                 }
1054
1055                 context.scale(scale, scale);
1056                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1057                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1058
1059                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1060                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1061
1062                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1063
1064                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1065
1066                 break;
1067             default :
1068                 break;
1069         }
1070
1071         this.cropData = canvas.toDataURL(this.cropType);
1072
1073         if(this.fireEvent('crop', this, this.cropData) !== false){
1074             this.process(this.file, this.cropData);
1075         }
1076
1077         return;
1078
1079     },
1080
1081     setThumbBoxSize : function()
1082     {
1083         var width, height;
1084
1085         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1086             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1087             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1088
1089             this.minWidth = width;
1090             this.minHeight = height;
1091
1092             if(this.rotate == 90 || this.rotate == 270){
1093                 this.minWidth = height;
1094                 this.minHeight = width;
1095             }
1096         }
1097
1098         height = 300;
1099         width = Math.ceil(this.minWidth * height / this.minHeight);
1100
1101         if(this.minWidth > this.minHeight){
1102             width = 300;
1103             height = Math.ceil(this.minHeight * width / this.minWidth);
1104         }
1105
1106         this.thumbEl.setStyle({
1107             width : width + 'px',
1108             height : height + 'px'
1109         });
1110
1111         return;
1112
1113     },
1114
1115     setThumbBoxPosition : function()
1116     {
1117         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1118         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1119
1120         this.thumbEl.setLeft(x);
1121         this.thumbEl.setTop(y);
1122
1123     },
1124
1125     baseRotateLevel : function()
1126     {
1127         this.baseRotate = 1;
1128
1129         if(
1130                 typeof(this.exif) != 'undefined' &&
1131                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1132                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1133         ){
1134             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1135         }
1136
1137         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1138
1139     },
1140
1141     baseScaleLevel : function()
1142     {
1143         console.log("BASE SCALE LEVEL");
1144         var width, height;
1145
1146         if(this.isDocument){
1147
1148             if(this.baseRotate == 6 || this.baseRotate == 8){
1149
1150                 height = this.thumbEl.getHeight();
1151                 this.baseScale = height / this.imageEl.OriginWidth;
1152
1153                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1154                     width = this.thumbEl.getWidth();
1155                     this.baseScale = width / this.imageEl.OriginHeight;
1156                 }
1157
1158                 return;
1159             }
1160
1161             height = this.thumbEl.getHeight();
1162             this.baseScale = height / this.imageEl.OriginHeight;
1163
1164             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1165                 width = this.thumbEl.getWidth();
1166                 this.baseScale = width / this.imageEl.OriginWidth;
1167             }
1168
1169             return;
1170         }
1171
1172         if(this.baseRotate == 6 || this.baseRotate == 8){
1173
1174             width = this.thumbEl.getHeight();
1175             this.baseScale = width / this.imageEl.OriginHeight;
1176
1177             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1178                 height = this.thumbEl.getWidth();
1179                 this.baseScale = height / this.imageEl.OriginHeight;
1180             }
1181
1182             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1183                 height = this.thumbEl.getWidth();
1184                 this.baseScale = height / this.imageEl.OriginHeight;
1185
1186                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1187                     width = this.thumbEl.getHeight();
1188                     this.baseScale = width / this.imageEl.OriginWidth;
1189                 }
1190             }
1191
1192             return;
1193         }
1194
1195         width = this.thumbEl.getWidth();
1196         this.baseScale = width / this.imageEl.OriginWidth;
1197
1198         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1199             height = this.thumbEl.getHeight();
1200             this.baseScale = height / this.imageEl.OriginHeight;
1201         }
1202
1203         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1204
1205             height = this.thumbEl.getHeight();
1206             this.baseScale = height / this.imageEl.OriginHeight;
1207
1208             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1209                 width = this.thumbEl.getWidth();
1210                 this.baseScale = width / this.imageEl.OriginWidth;
1211             }
1212
1213         }
1214
1215         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1216             this.baseScale = width / this.minWidth;
1217         }
1218         console.log(this.baseScale);
1219         return;
1220     },
1221
1222     getScaleLevel : function()
1223     {
1224         return this.baseScale * Math.pow(1.02, this.scale);
1225     },
1226
1227     onTouchStart : function(e)
1228     {
1229         if(!this.canvasLoaded){
1230             this.beforeSelectFile(e);
1231             return;
1232         }
1233
1234         var touches = e.browserEvent.touches;
1235
1236         if(!touches){
1237             return;
1238         }
1239
1240         if(touches.length == 1){
1241             this.onMouseDown(e);
1242             return;
1243         }
1244
1245         if(touches.length != 2){
1246             return;
1247         }
1248
1249         var coords = [];
1250
1251         for(var i = 0, finger; finger = touches[i]; i++){
1252             coords.push(finger.pageX, finger.pageY);
1253         }
1254
1255         var x = Math.pow(coords[0] - coords[2], 2);
1256         var y = Math.pow(coords[1] - coords[3], 2);
1257
1258         this.startDistance = Math.sqrt(x + y);
1259
1260         this.startScale = this.scale;
1261
1262         this.pinching = true;
1263         this.dragable = false;
1264
1265     },
1266
1267     onTouchMove : function(e)
1268     {
1269         if(!this.pinching && !this.dragable){
1270             return;
1271         }
1272
1273         var touches = e.browserEvent.touches;
1274
1275         if(!touches){
1276             return;
1277         }
1278
1279         if(this.dragable){
1280             this.onMouseMove(e);
1281             return;
1282         }
1283
1284         var coords = [];
1285
1286         for(var i = 0, finger; finger = touches[i]; i++){
1287             coords.push(finger.pageX, finger.pageY);
1288         }
1289
1290         var x = Math.pow(coords[0] - coords[2], 2);
1291         var y = Math.pow(coords[1] - coords[3], 2);
1292
1293         this.endDistance = Math.sqrt(x + y);
1294
1295         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1296
1297         if(!this.zoomable()){
1298             this.scale = this.startScale;
1299             return;
1300         }
1301
1302         this.draw();
1303
1304     },
1305
1306     onTouchEnd : function(e)
1307     {
1308         this.pinching = false;
1309         this.dragable = false;
1310
1311     },
1312
1313     process : function(file, crop)
1314     {
1315         if(this.loadMask){
1316             this.maskEl.mask(this.loadingText);
1317         }
1318
1319         this.xhr = new XMLHttpRequest();
1320
1321         file.xhr = this.xhr;
1322
1323         this.xhr.open(this.method, this.url, true);
1324
1325         var headers = {
1326             "Accept": "application/json",
1327             "Cache-Control": "no-cache",
1328             "X-Requested-With": "XMLHttpRequest"
1329         };
1330
1331         for (var headerName in headers) {
1332             var headerValue = headers[headerName];
1333             if (headerValue) {
1334                 this.xhr.setRequestHeader(headerName, headerValue);
1335             }
1336         }
1337
1338         var _this = this;
1339
1340         this.xhr.onload = function()
1341         {
1342             _this.xhrOnLoad(_this.xhr);
1343         }
1344
1345         this.xhr.onerror = function()
1346         {
1347             _this.xhrOnError(_this.xhr);
1348         }
1349
1350         var formData = new FormData();
1351
1352         formData.append("onid", "43024");
1353         formData.append("ontable", "pressrelease_boilerplate");
1354
1355         formData.append('returnHTML', 'NO');
1356
1357         if(crop){
1358             formData.append('crop', crop);
1359             var blobBin = atob(crop.split(',')[1]);
1360             var array = [];
1361             for(var i = 0; i < blobBin.length; i++) {
1362                 array.push(blobBin.charCodeAt(i));
1363             }
1364             var croppedFile =new Blob([new Uint8Array(array)], {type: 'image/png'});
1365             formData.append(this.paramName, croppedFile, file.name);
1366         }
1367
1368         if(typeof(file.filename) != 'undefined'){
1369             formData.append('filename', file.filename);
1370         }
1371
1372         if(typeof(file.mimetype) != 'undefined'){
1373             formData.append('mimetype', file.mimetype);
1374         }
1375
1376         if(this.fireEvent('arrange', this, formData) != false){
1377             this.xhr.send(formData);
1378         };
1379     },
1380
1381     xhrOnLoad : function(xhr)
1382     {
1383         if(this.loadMask){
1384             this.maskEl.unmask();
1385         }
1386
1387         if (xhr.readyState !== 4) {
1388             this.fireEvent('exception', this, xhr);
1389             return;
1390         }
1391
1392         var response = Roo.decode(xhr.responseText);
1393
1394         if(!response.success){
1395             this.fireEvent('exception', this, xhr);
1396             return;
1397         }
1398
1399         var response = Roo.decode(xhr.responseText);
1400
1401         this.fireEvent('upload', this, response);
1402
1403     },
1404
1405     xhrOnError : function()
1406     {
1407         if(this.loadMask){
1408             this.maskEl.unmask();
1409         }
1410
1411         Roo.log('xhr on error');
1412
1413         var response = Roo.decode(xhr.responseText);
1414
1415         Roo.log(response);
1416
1417     },
1418
1419     prepare : function(file)
1420     {
1421         if(this.loadMask){
1422             this.maskEl.mask(this.loadingText);
1423         }
1424
1425         this.file = false;
1426         this.exif = {};
1427
1428         if(typeof(file) === 'string'){
1429             this.loadCanvas(file);
1430             return;
1431         }
1432
1433         if(!file || !this.urlAPI){
1434             return;
1435         }
1436
1437         this.file = file;
1438         this.cropType = file.type;
1439
1440         var _this = this;
1441
1442         if(this.fireEvent('prepare', this, this.file) != false){
1443
1444             var reader = new FileReader();
1445
1446             reader.onload = function (e) {
1447                 if (e.target.error) {
1448                     Roo.log(e.target.error);
1449                     return;
1450                 }
1451
1452                 var buffer = e.target.result,
1453                     dataView = new DataView(buffer),
1454                     offset = 2,
1455                     maxOffset = dataView.byteLength - 4,
1456                     markerBytes,
1457                     markerLength;
1458
1459                 if (dataView.getUint16(0) === 0xffd8) {
1460                     while (offset < maxOffset) {
1461                         markerBytes = dataView.getUint16(offset);
1462
1463                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1464                             markerLength = dataView.getUint16(offset + 2) + 2;
1465                             if (offset + markerLength > dataView.byteLength) {
1466                                 Roo.log('Invalid meta data: Invalid segment size.');
1467                                 break;
1468                             }
1469
1470                             if(markerBytes == 0xffe1){
1471                                 _this.parseExifData(
1472                                     dataView,
1473                                     offset,
1474                                     markerLength
1475                                 );
1476                             }
1477
1478                             offset += markerLength;
1479
1480                             continue;
1481                         }
1482
1483                         break;
1484                     }
1485
1486                 }
1487
1488                 var url = _this.urlAPI.createObjectURL(_this.file);
1489
1490                 _this.loadCanvas(url);
1491
1492                 return;
1493             }
1494
1495             reader.readAsArrayBuffer(this.file);
1496
1497         }
1498
1499     },
1500
1501     parseExifData : function(dataView, offset, length)
1502     {
1503         var tiffOffset = offset + 10,
1504             littleEndian,
1505             dirOffset;
1506
1507         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1508             // No Exif data, might be XMP data instead
1509             return;
1510         }
1511
1512         // Check for the ASCII code for "Exif" (0x45786966):
1513         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1514             // No Exif data, might be XMP data instead
1515             return;
1516         }
1517         if (tiffOffset + 8 > dataView.byteLength) {
1518             Roo.log('Invalid Exif data: Invalid segment size.');
1519             return;
1520         }
1521         // Check for the two null bytes:
1522         if (dataView.getUint16(offset + 8) !== 0x0000) {
1523             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1524             return;
1525         }
1526         // Check the byte alignment:
1527         switch (dataView.getUint16(tiffOffset)) {
1528         case 0x4949:
1529             littleEndian = true;
1530             break;
1531         case 0x4D4D:
1532             littleEndian = false;
1533             break;
1534         default:
1535             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1536             return;
1537         }
1538         // Check for the TIFF tag marker (0x002A):
1539         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1540             Roo.log('Invalid Exif data: Missing TIFF marker.');
1541             return;
1542         }
1543         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1544         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1545
1546         this.parseExifTags(
1547             dataView,
1548             tiffOffset,
1549             tiffOffset + dirOffset,
1550             littleEndian
1551         );
1552     },
1553
1554     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1555     {
1556         var tagsNumber,
1557             dirEndOffset,
1558             i;
1559         if (dirOffset + 6 > dataView.byteLength) {
1560             Roo.log('Invalid Exif data: Invalid directory offset.');
1561             return;
1562         }
1563         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1564         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1565         if (dirEndOffset + 4 > dataView.byteLength) {
1566             Roo.log('Invalid Exif data: Invalid directory size.');
1567             return;
1568         }
1569         for (i = 0; i < tagsNumber; i += 1) {
1570             this.parseExifTag(
1571                 dataView,
1572                 tiffOffset,
1573                 dirOffset + 2 + 12 * i, // tag offset
1574                 littleEndian
1575             );
1576         }
1577         // Return the offset to the next directory:
1578         return dataView.getUint32(dirEndOffset, littleEndian);
1579     },
1580
1581     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1582     {
1583         var tag = dataView.getUint16(offset, littleEndian);
1584
1585         this.exif[tag] = this.getExifValue(
1586             dataView,
1587             tiffOffset,
1588             offset,
1589             dataView.getUint16(offset + 2, littleEndian), // tag type
1590             dataView.getUint32(offset + 4, littleEndian), // tag length
1591             littleEndian
1592         );
1593     },
1594
1595     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1596     {
1597         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1598             tagSize,
1599             dataOffset,
1600             values,
1601             i,
1602             str,
1603             c;
1604
1605         if (!tagType) {
1606             Roo.log('Invalid Exif data: Invalid tag type.');
1607             return;
1608         }
1609
1610         tagSize = tagType.size * length;
1611         // Determine if the value is contained in the dataOffset bytes,
1612         // or if the value at the dataOffset is a pointer to the actual data:
1613         dataOffset = tagSize > 4 ?
1614                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1615         if (dataOffset + tagSize > dataView.byteLength) {
1616             Roo.log('Invalid Exif data: Invalid data offset.');
1617             return;
1618         }
1619         if (length === 1) {
1620             return tagType.getValue(dataView, dataOffset, littleEndian);
1621         }
1622         values = [];
1623         for (i = 0; i < length; i += 1) {
1624             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1625         }
1626
1627         if (tagType.ascii) {
1628             str = '';
1629             // Concatenate the chars:
1630             for (i = 0; i < values.length; i += 1) {
1631                 c = values[i];
1632                 // Ignore the terminating NULL byte(s):
1633                 if (c === '\u0000') {
1634                     break;
1635                 }
1636                 str += c;
1637             }
1638             return str;
1639         }
1640         return values;
1641     }
1642
1643 });
1644
1645 Roo.apply(Roo.dialog.UploadCropbox, {
1646     tags : {
1647         'Orientation': 0x0112
1648     },
1649
1650     Orientation: {
1651             1: 0, //'top-left',
1652 //            2: 'top-right',
1653             3: 180, //'bottom-right',
1654 //            4: 'bottom-left',
1655 //            5: 'left-top',
1656             6: 90, //'right-top',
1657 //            7: 'right-bottom',
1658             8: 270 //'left-bottom'
1659     },
1660
1661     exifTagTypes : {
1662         // byte, 8-bit unsigned int:
1663         1: {
1664             getValue: function (dataView, dataOffset) {
1665                 return dataView.getUint8(dataOffset);
1666             },
1667             size: 1
1668         },
1669         // ascii, 8-bit byte:
1670         2: {
1671             getValue: function (dataView, dataOffset) {
1672                 return String.fromCharCode(dataView.getUint8(dataOffset));
1673             },
1674             size: 1,
1675             ascii: true
1676         },
1677         // short, 16 bit int:
1678         3: {
1679             getValue: function (dataView, dataOffset, littleEndian) {
1680                 return dataView.getUint16(dataOffset, littleEndian);
1681             },
1682             size: 2
1683         },
1684         // long, 32 bit int:
1685         4: {
1686             getValue: function (dataView, dataOffset, littleEndian) {
1687                 return dataView.getUint32(dataOffset, littleEndian);
1688             },
1689             size: 4
1690         },
1691         // rational = two long values, first is numerator, second is denominator:
1692         5: {
1693             getValue: function (dataView, dataOffset, littleEndian) {
1694                 return dataView.getUint32(dataOffset, littleEndian) /
1695                     dataView.getUint32(dataOffset + 4, littleEndian);
1696             },
1697             size: 8
1698         },
1699         // slong, 32 bit signed int:
1700         9: {
1701             getValue: function (dataView, dataOffset, littleEndian) {
1702                 return dataView.getInt32(dataOffset, littleEndian);
1703             },
1704             size: 4
1705         },
1706         // srational, two slongs, first is numerator, second is denominator:
1707         10: {
1708             getValue: function (dataView, dataOffset, littleEndian) {
1709                 return dataView.getInt32(dataOffset, littleEndian) /
1710                     dataView.getInt32(dataOffset + 4, littleEndian);
1711             },
1712             size: 8
1713         }
1714     },
1715
1716     footer : {
1717         STANDARD : [
1718             {
1719                 tag : 'div',
1720                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1721                 action : 'rotate-left',
1722                 cn : [
1723                     {
1724                         tag : 'button',
1725                         cls : 'btn btn-default',
1726                         html : '<i class="fa fa-undo"></i>'
1727                     }
1728                 ]
1729             },
1730             {
1731                 tag : 'div',
1732                 cls : 'btn-group roo-upload-cropbox-picture',
1733                 action : 'picture',
1734                 cn : [
1735                     {
1736                         tag : 'button',
1737                         cls : 'btn btn-default',
1738                         html : '<i class="fa fa-picture-o"></i>'
1739                     }
1740                 ]
1741             },
1742             {
1743                 tag : 'div',
1744                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1745                 action : 'rotate-right',
1746                 cn : [
1747                     {
1748                         tag : 'button',
1749                         cls : 'btn btn-default',
1750                         html : '<i class="fa fa-repeat"></i>'
1751                     }
1752                 ]
1753             }
1754         ],
1755         DOCUMENT : [
1756             {
1757                 tag : 'div',
1758                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1759                 action : 'rotate-left',
1760                 cn : [
1761                     {
1762                         tag : 'button',
1763                         cls : 'btn btn-default',
1764                         html : '<i class="fa fa-undo"></i>'
1765                     }
1766                 ]
1767             },
1768             {
1769                 tag : 'div',
1770                 cls : 'btn-group roo-upload-cropbox-download',
1771                 action : 'download',
1772                 cn : [
1773                     {
1774                         tag : 'button',
1775                         cls : 'btn btn-default',
1776                         html : '<i class="fa fa-download"></i>'
1777                     }
1778                 ]
1779             },
1780             {
1781                 tag : 'div',
1782                 cls : 'btn-group roo-upload-cropbox-crop',
1783                 action : 'crop',
1784                 cn : [
1785                     {
1786                         tag : 'button',
1787                         cls : 'btn btn-default',
1788                         html : '<i class="fa fa-crop"></i>'
1789                     }
1790                 ]
1791             },
1792             {
1793                 tag : 'div',
1794                 cls : 'btn-group roo-upload-cropbox-trash',
1795                 action : 'trash',
1796                 cn : [
1797                     {
1798                         tag : 'button',
1799                         cls : 'btn btn-default',
1800                         html : '<i class="fa fa-trash"></i>'
1801                     }
1802                 ]
1803             },
1804             {
1805                 tag : 'div',
1806                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1807                 action : 'rotate-right',
1808                 cn : [
1809                     {
1810                         tag : 'button',
1811                         cls : 'btn btn-default',
1812                         html : '<i class="fa fa-repeat"></i>'
1813                     }
1814                 ]
1815             }
1816         ],
1817         ROTATOR : [
1818             {
1819                 tag : 'div',
1820                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1821                 action : 'rotate-left',
1822                 cn : [
1823                     {
1824                         tag : 'button',
1825                         cls : 'btn btn-default',
1826                         html : '<i class="fa fa-undo"></i>'
1827                     }
1828                 ]
1829             },
1830             {
1831                 tag : 'div',
1832                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1833                 action : 'rotate-right',
1834                 cn : [
1835                     {
1836                         tag : 'button',
1837                         cls : 'btn btn-default',
1838                         html : '<i class="fa fa-repeat"></i>'
1839                     }
1840                 ]
1841             }
1842         ]
1843     }
1844 });