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         console.log("ON FILE SELECTED");
 391         e.preventDefault();
 392
 393         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 394             return;
 395         }
 396
 397         var file = this.selectorEl.dom.files[0];
 398
 399         if(this.fireEvent('inspect', this, file) != false){
 400             this.prepare(file);
 401         }
 402
 403     },
 404
 405     trash : function(e)
 406     {
 407         this.fireEvent('trash', this);
 408     },
 409
 410     download : function(e)
 411     {
 412         this.fireEvent('download', this);
 413     },
 414
 415     loadCanvas : function(src)
 416     {
 417         console.log("LOAD CANVAS");
 418         console.log(src);
 419         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 420
 421             this.reset();
 422
 423             this.imageEl = document.createElement('img');
 424
 425             var _this = this;
 426
 427             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 428
 429             this.imageEl.src = src;
 430         }
 431     },
 432
 433     onLoadCanvas : function()
 434     {
 435         console.log("ON LOAD CANVAS");
 436         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 437         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 438
 439         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 440
 441             this.bodyEl.un('click', this.beforeSelectFile, this);
 442
 443             this.notifyEl.hide();
 444             this.thumbEl.show();
 445             this.footerEl.show();
 446
 447             this.baseRotateLevel();
 448
 449             if(this.isDocument){
 450                 this.setThumbBoxSize();
 451             }
 452
 453             this.setThumbBoxPosition();
 454
 455             this.baseScaleLevel();
 456
 457             this.draw();
 458
 459             this.resize();
 460
 461             this.canvasLoaded = true;
 462
 463         }
 464
 465         if(this.loadMask){
 466             this.maskEl.unmask();
 467         }
 468
 469     },
 470
 471     setCanvasPosition : function()
 472     {
 473         console.log("SET CANVAS POSITION");
 474         if(!this.canvasEl){
 475             return;
 476         }
 477
 478         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 479         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 480
 481         this.previewEl.setLeft(pw);
 482         this.previewEl.setTop(ph);
 483
 484     },
 485
 486     onMouseDown : function(e)
 487     {
 488         e.stopEvent();
 489
 490         this.dragable = true;
 491         this.pinching = false;
 492
 493         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 494             this.dragable = false;
 495             return;
 496         }
 497
 498         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 499         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 500
 501     },
 502
 503     onMouseMove : function(e)
 504     {
 505         e.stopEvent();
 506
 507         if(!this.canvasLoaded){
 508             return;
 509         }
 510
 511         if (!this.dragable){
 512             return;
 513         }
 514
 515         var minX = Math.ceil(this.thumbEl.getLeft(true));
 516         var minY = Math.ceil(this.thumbEl.getTop(true));
 517
 518         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 519         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 520
 521         if(minX > maxX) {
 522             var tempX = minX;
 523             minX = maxX;
 524             maxX = tempX;
 525         }
 526
 527         if(minY > maxY) {
 528             var tempY = minY;
 529             minY = maxY;
 530             maxY = tempY;
 531         }
 532
 533         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 534         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 535
 536         x = x - this.mouseX;
 537         y = y - this.mouseY;
 538
 539         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 540         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 541
 542         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 543         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 544
 545         this.previewEl.setLeft(bgX);
 546         this.previewEl.setTop(bgY);
 547
 548         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 549         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 550     },
 551
 552     onMouseUp : function(e)
 553     {
 554         e.stopEvent();
 555
 556         this.dragable = false;
 557     },
 558
 559     onMouseWheel : function(e)
 560     {
 561         e.stopEvent();
 562
 563         this.startScale = this.scale;
 564         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
 565
 566         console.log("START SCALE:" . startScale);
 567         console.log("TEST SCALE: " . startScale);
 568         if(!this.zoomable()){
 569             this.scale = this.startScale;
 570             return;
 571         }
 572
 573         console.log("END SCALE: " . endScale);
 574
 575         this.draw();
 576
 577         return;
 578     },
 579
 580     zoomable : function()
 581     {
 582         var minScale = this.thumbEl.getWidth() / this.minWidth;
 583
 584         if(this.minWidth < this.minHeight){
 585             minScale = this.thumbEl.getHeight() / this.minHeight;
 586         }
 587
 588         console.log("MINSCALE: " + minScale);
 589
 590         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 591         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 592
 593         console.log("WIDTH: " + width);
 594         console.log("HEIGHT: " + height);
 595
 596         var maxWidth = this.imageEl.OriginWidth;
 597         var maxHeight = this.imageEl.OriginHeight;
 598
 599         if(
 600                 this.isDocument &&
 601                 (this.rotate == 0 || this.rotate == 180) &&
 602                 (
 603                     width > this.imageEl.OriginWidth ||
 604                     height > this.imageEl.OriginHeight ||
 605                     (width < this.minWidth && height < this.minHeight)
 606                 )
 607         ){
 608             return false;
 609         }
 610
 611         if(
 612                 this.isDocument &&
 613                 (this.rotate == 90 || this.rotate == 270) &&
 614                 (
 615                     width > this.imageEl.OriginWidth ||
 616                     height > this.imageEl.OriginHeight ||
 617                     (width < this.minHeight && height < this.minWidth)
 618                 )
 619         ){
 620             return false;
 621         }
 622
 623         if(
 624                 !this.isDocument &&
 625                 (this.rotate == 0 || this.rotate == 180) &&
 626                 (
 627                     width < this.minWidth ||
 628                     height < this.minHeight ||
 629                     width > maxWidth ||
 630                     height > maxHeight
 631                 )
 632         ){
 633             return false;
 634         }
 635
 636         if(
 637                 !this.isDocument &&
 638                 (this.rotate == 90 || this.rotate == 270) &&
 639                 (
 640                     width < this.minHeight ||
 641                     width > this.imageEl.OriginWidth ||
 642                     height < this.minWidth ||
 643                     height > this.imageEl.OriginHeight
 644                 )
 645         ){
 646             return false;
 647         }
 648
 649         return true;
 650
 651     },
 652
 653     onRotateLeft : function(e)
 654     {
 655         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 656
 657             var minScale = this.thumbEl.getWidth() / this.minWidth;
 658
 659             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 660             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 661
 662             this.startScale = this.scale;
 663
 664             while (this.getScaleLevel() < minScale){
 665
 666                 this.scale = this.scale + 1;
 667
 668                 if(!this.zoomable()){
 669                     break;
 670                 }
 671
 672                 if(
 673                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 674                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 675                 ){
 676                     continue;
 677                 }
 678
 679                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 680
 681                 this.draw();
 682
 683                 return;
 684             }
 685
 686             this.scale = this.startScale;
 687
 688             this.onRotateFail();
 689
 690             return false;
 691         }
 692
 693         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 694
 695         if(this.isDocument){
 696             this.setThumbBoxSize();
 697             this.setThumbBoxPosition();
 698             this.setCanvasPosition();
 699         }
 700
 701         this.draw();
 702
 703         this.fireEvent('rotate', this, 'left');
 704
 705     },
 706
 707     onRotateRight : function(e)
 708     {
 709         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 710
 711             var minScale = this.thumbEl.getWidth() / this.minWidth;
 712
 713             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 714             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 715
 716             this.startScale = this.scale;
 717
 718             while (this.getScaleLevel() < minScale){
 719
 720                 this.scale = this.scale + 1;
 721
 722                 if(!this.zoomable()){
 723                     break;
 724                 }
 725
 726                 if(
 727                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 728                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 729                 ){
 730                     continue;
 731                 }
 732
 733                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 734
 735                 this.draw();
 736
 737                 return;
 738             }
 739
 740             this.scale = this.startScale;
 741
 742             this.onRotateFail();
 743
 744             return false;
 745         }
 746
 747         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 748
 749         if(this.isDocument){
 750             this.setThumbBoxSize();
 751             this.setThumbBoxPosition();
 752             this.setCanvasPosition();
 753         }
 754
 755         this.draw();
 756
 757         this.fireEvent('rotate', this, 'right');
 758     },
 759
 760     onRotateFail : function()
 761     {
 762         this.errorEl.show(true);
 763
 764         var _this = this;
 765
 766         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 767     },
 768
 769     draw : function()
 770     {
 771         console.log("DRAW");
 772         this.previewEl.dom.innerHTML = '';
 773
 774         var canvasEl = document.createElement("canvas");
 775
 776         var contextEl = canvasEl.getContext("2d");
 777
 778         console.log(this.getScaleLevel());
 779
 780         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 781         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 782         var center = this.imageEl.OriginWidth / 2;
 783
 784         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 785             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 786             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 787             center = this.imageEl.OriginHeight / 2;
 788         }
 789
 790         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 791
 792         contextEl.translate(center, center);
 793         contextEl.rotate(this.rotate * Math.PI / 180);
 794
 795         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 796
 797         this.canvasEl = document.createElement("canvas");
 798
 799         this.contextEl = this.canvasEl.getContext("2d");
 800
 801         switch (this.rotate) {
 802             case 0 :
 803
 804                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 805                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 806
 807                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 808
 809                 break;
 810             case 90 :
 811
 812                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 813                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 814
 815                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 816                     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);
 817                     break;
 818                 }
 819
 820                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 821
 822                 break;
 823             case 180 :
 824
 825                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 826                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 827
 828                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 829                     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);
 830                     break;
 831                 }
 832
 833                 this.contextEl.drawImage(canvasEl, Math.abs(this.canvasEl.width - this.canvasEl.height), 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 834
 835                 break;
 836             case 270 :
 837
 838                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 839                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 840
 841                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 842                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 843                     break;
 844                 }
 845
 846                 this.contextEl.drawImage(canvasEl, 0, Math.abs(this.canvasEl.width - this.canvasEl.height), this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 847
 848                 break;
 849             default :
 850                 break;
 851         }
 852
 853         this.previewEl.appendChild(this.canvasEl);
 854
 855         this.setCanvasPosition();
 856     },
 857
 858     crop : function()
 859     {
 860         if(!this.canvasLoaded){
 861             return;
 862         }
 863
 864         var imageCanvas = document.createElement("canvas");
 865
 866         var imageContext = imageCanvas.getContext("2d");
 867
 868         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 869         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 870
 871         var center = imageCanvas.width / 2;
 872
 873         imageContext.translate(center, center);
 874
 875         imageContext.rotate(this.rotate * Math.PI / 180);
 876
 877         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 878
 879         var canvas = document.createElement("canvas");
 880
 881         var context = canvas.getContext("2d");
 882
 883         canvas.width = this.minWidth;
 884         canvas.height = this.minHeight;
 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                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 893                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 894
 895                 var targetWidth = this.minWidth - 2 * x;
 896                 var targetHeight = this.minHeight - 2 * y;
 897
 898                 var scale = 1;
 899
 900                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 901                     scale = targetWidth / width;
 902                 }
 903
 904                 if(x > 0 && y == 0){
 905                     scale = targetHeight / height;
 906                 }
 907
 908                 if(x > 0 && y > 0){
 909                     scale = targetWidth / width;
 910
 911                     if(width < height){
 912                         scale = targetHeight / height;
 913                     }
 914                 }
 915
 916                 context.scale(scale, scale);
 917
 918                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 919                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 920
 921                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 922                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 923
 924                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 925
 926                 break;
 927             case 90 :
 928
 929                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 930                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 931
 932                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 933                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 934
 935                 var targetWidth = this.minWidth - 2 * x;
 936                 var targetHeight = this.minHeight - 2 * y;
 937
 938                 var scale = 1;
 939
 940                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 941                     scale = targetWidth / width;
 942                 }
 943
 944                 if(x > 0 && y == 0){
 945                     scale = targetHeight / height;
 946                 }
 947
 948                 if(x > 0 && y > 0){
 949                     scale = targetWidth / width;
 950
 951                     if(width < height){
 952                         scale = targetHeight / height;
 953                     }
 954                 }
 955
 956                 context.scale(scale, scale);
 957
 958                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
 959                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
 960
 961                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 962                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 963
 964                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
 965
 966                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 967
 968                 break;
 969             case 180 :
 970
 971                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 972                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 973
 974                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 975                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 976
 977                 var targetWidth = this.minWidth - 2 * x;
 978                 var targetHeight = this.minHeight - 2 * y;
 979
 980                 var scale = 1;
 981
 982                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 983                     scale = targetWidth / width;
 984                 }
 985
 986                 if(x > 0 && y == 0){
 987                     scale = targetHeight / height;
 988                 }
 989
 990                 if(x > 0 && y > 0){
 991                     scale = targetWidth / width;
 992
 993                     if(width < height){
 994                         scale = targetHeight / height;
 995                     }
 996                 }
 997
 998                 context.scale(scale, scale);
 999
1000                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1001                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1002
1003                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1004                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1005
1006                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1007                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1008
1009                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1010
1011                 break;
1012             case 270 :
1013
1014                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1015                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1016
1017                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1018                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1019
1020                 var targetWidth = this.minWidth - 2 * x;
1021                 var targetHeight = this.minHeight - 2 * y;
1022
1023                 var scale = 1;
1024
1025                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1026                     scale = targetWidth / width;
1027                 }
1028
1029                 if(x > 0 && y == 0){
1030                     scale = targetHeight / height;
1031                 }
1032
1033                 if(x > 0 && y > 0){
1034                     scale = targetWidth / width;
1035
1036                     if(width < height){
1037                         scale = targetHeight / height;
1038                     }
1039                 }
1040
1041                 context.scale(scale, scale);
1042
1043                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1044                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1045
1046                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1047                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1048
1049                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1050
1051                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1052
1053                 break;
1054             default :
1055                 break;
1056         }
1057
1058         this.cropData = canvas.toDataURL(this.cropType);
1059
1060         if(this.fireEvent('crop', this, this.cropData) !== false){
1061             this.process(this.file, this.cropData);
1062         }
1063
1064         return;
1065
1066     },
1067
1068     setThumbBoxSize : function()
1069     {
1070         var width, height;
1071
1072         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1073             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1074             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1075
1076             this.minWidth = width;
1077             this.minHeight = height;
1078
1079             if(this.rotate == 90 || this.rotate == 270){
1080                 this.minWidth = height;
1081                 this.minHeight = width;
1082             }
1083         }
1084
1085         height = 300;
1086         width = Math.ceil(this.minWidth * height / this.minHeight);
1087
1088         if(this.minWidth > this.minHeight){
1089             width = 300;
1090             height = Math.ceil(this.minHeight * width / this.minWidth);
1091         }
1092
1093         this.thumbEl.setStyle({
1094             width : width + 'px',
1095             height : height + 'px'
1096         });
1097
1098         return;
1099
1100     },
1101
1102     setThumbBoxPosition : function()
1103     {
1104         console.log("SET THUMBBOX POSITION");
1105         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1106         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1107
1108         this.thumbEl.setLeft(x);
1109         this.thumbEl.setTop(y);
1110
1111     },
1112
1113     baseRotateLevel : function()
1114     {
1115         console.log("BASE ROTATE LEVEL");
1116         this.baseRotate = 1;
1117
1118         if(
1119                 typeof(this.exif) != 'undefined' &&
1120                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1121                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1122         ){
1123             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1124         }
1125
1126         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1127
1128     },
1129
1130     baseScaleLevel : function()
1131     {
1132         console.log("BASE SCALE LEVEL");
1133         var width, height;
1134
1135         if(this.isDocument){
1136
1137             if(this.baseRotate == 6 || this.baseRotate == 8){
1138
1139                 height = this.thumbEl.getHeight();
1140                 this.baseScale = height / this.imageEl.OriginWidth;
1141
1142                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1143                     width = this.thumbEl.getWidth();
1144                     this.baseScale = width / this.imageEl.OriginHeight;
1145                 }
1146
1147                 return;
1148             }
1149
1150             height = this.thumbEl.getHeight();
1151             this.baseScale = height / this.imageEl.OriginHeight;
1152
1153             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1154                 width = this.thumbEl.getWidth();
1155                 this.baseScale = width / this.imageEl.OriginWidth;
1156             }
1157
1158             return;
1159         }
1160
1161         if(this.baseRotate == 6 || this.baseRotate == 8){
1162
1163             width = this.thumbEl.getHeight();
1164             this.baseScale = width / this.imageEl.OriginHeight;
1165
1166             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1167                 height = this.thumbEl.getWidth();
1168                 this.baseScale = height / this.imageEl.OriginHeight;
1169             }
1170
1171             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1172                 height = this.thumbEl.getWidth();
1173                 this.baseScale = height / this.imageEl.OriginHeight;
1174
1175                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1176                     width = this.thumbEl.getHeight();
1177                     this.baseScale = width / this.imageEl.OriginWidth;
1178                 }
1179             }
1180
1181             return;
1182         }
1183
1184         width = this.thumbEl.getWidth();
1185         this.baseScale = width / this.imageEl.OriginWidth;
1186
1187         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1188             height = this.thumbEl.getHeight();
1189             this.baseScale = height / this.imageEl.OriginHeight;
1190         }
1191
1192         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1193
1194             height = this.thumbEl.getHeight();
1195             this.baseScale = height / this.imageEl.OriginHeight;
1196
1197             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1198                 width = this.thumbEl.getWidth();
1199                 this.baseScale = width / this.imageEl.OriginWidth;
1200             }
1201
1202         }
1203
1204         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1205             this.baseScale = width / this.minWidth;
1206         }
1207         console.log(this.baseScale);
1208         return;
1209     },
1210
1211     getScaleLevel : function()
1212     {
1213         return this.baseScale * Math.pow(1.02, this.scale);
1214     },
1215
1216     onTouchStart : function(e)
1217     {
1218         if(!this.canvasLoaded){
1219             this.beforeSelectFile(e);
1220             return;
1221         }
1222
1223         var touches = e.browserEvent.touches;
1224
1225         if(!touches){
1226             return;
1227         }
1228
1229         if(touches.length == 1){
1230             this.onMouseDown(e);
1231             return;
1232         }
1233
1234         if(touches.length != 2){
1235             return;
1236         }
1237
1238         var coords = [];
1239
1240         for(var i = 0, finger; finger = touches[i]; i++){
1241             coords.push(finger.pageX, finger.pageY);
1242         }
1243
1244         var x = Math.pow(coords[0] - coords[2], 2);
1245         var y = Math.pow(coords[1] - coords[3], 2);
1246
1247         this.startDistance = Math.sqrt(x + y);
1248
1249         this.startScale = this.scale;
1250
1251         this.pinching = true;
1252         this.dragable = false;
1253
1254     },
1255
1256     onTouchMove : function(e)
1257     {
1258         if(!this.pinching && !this.dragable){
1259             return;
1260         }
1261
1262         var touches = e.browserEvent.touches;
1263
1264         if(!touches){
1265             return;
1266         }
1267
1268         if(this.dragable){
1269             this.onMouseMove(e);
1270             return;
1271         }
1272
1273         var coords = [];
1274
1275         for(var i = 0, finger; finger = touches[i]; i++){
1276             coords.push(finger.pageX, finger.pageY);
1277         }
1278
1279         var x = Math.pow(coords[0] - coords[2], 2);
1280         var y = Math.pow(coords[1] - coords[3], 2);
1281
1282         this.endDistance = Math.sqrt(x + y);
1283
1284         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1285
1286         if(!this.zoomable()){
1287             this.scale = this.startScale;
1288             return;
1289         }
1290
1291         this.draw();
1292
1293     },
1294
1295     onTouchEnd : function(e)
1296     {
1297         this.pinching = false;
1298         this.dragable = false;
1299
1300     },
1301
1302     process : function(file, crop)
1303     {
1304         if(this.loadMask){
1305             this.maskEl.mask(this.loadingText);
1306         }
1307
1308         this.xhr = new XMLHttpRequest();
1309
1310         file.xhr = this.xhr;
1311
1312         this.xhr.open(this.method, this.url, true);
1313
1314         var headers = {
1315             "Accept": "application/json",
1316             "Cache-Control": "no-cache",
1317             "X-Requested-With": "XMLHttpRequest"
1318         };
1319
1320         for (var headerName in headers) {
1321             var headerValue = headers[headerName];
1322             if (headerValue) {
1323                 this.xhr.setRequestHeader(headerName, headerValue);
1324             }
1325         }
1326
1327         var _this = this;
1328
1329         this.xhr.onload = function()
1330         {
1331             _this.xhrOnLoad(_this.xhr);
1332         }
1333
1334         this.xhr.onerror = function()
1335         {
1336             _this.xhrOnError(_this.xhr);
1337         }
1338
1339         var formData = new FormData();
1340
1341         formData.append('returnHTML', 'NO');
1342
1343         if(crop){
1344             formData.append('crop', crop);
1345         }
1346
1347         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1348             formData.append(this.paramName, file, file.name);
1349         }
1350
1351         if(typeof(file.filename) != 'undefined'){
1352             formData.append('filename', file.filename);
1353         }
1354
1355         if(typeof(file.mimetype) != 'undefined'){
1356             formData.append('mimetype', file.mimetype);
1357         }
1358
1359         if(this.fireEvent('arrange', this, formData) != false){
1360             this.xhr.send(formData);
1361         };
1362     },
1363
1364     xhrOnLoad : function(xhr)
1365     {
1366         if(this.loadMask){
1367             this.maskEl.unmask();
1368         }
1369
1370         if (xhr.readyState !== 4) {
1371             this.fireEvent('exception', this, xhr);
1372             return;
1373         }
1374
1375         var response = Roo.decode(xhr.responseText);
1376
1377         if(!response.success){
1378             this.fireEvent('exception', this, xhr);
1379             return;
1380         }
1381
1382         var response = Roo.decode(xhr.responseText);
1383
1384         this.fireEvent('upload', this, response);
1385
1386     },
1387
1388     xhrOnError : function()
1389     {
1390         if(this.loadMask){
1391             this.maskEl.unmask();
1392         }
1393
1394         Roo.log('xhr on error');
1395
1396         var response = Roo.decode(xhr.responseText);
1397
1398         Roo.log(response);
1399
1400     },
1401
1402     prepare : function(file)
1403     {
1404         console.log("PREPARE");
1405         console.log(file);
1406         if(this.loadMask){
1407             this.maskEl.mask(this.loadingText);
1408         }
1409
1410         this.file = false;
1411         this.exif = {};
1412
1413         if(typeof(file) === 'string'){
1414             this.loadCanvas(file);
1415             return;
1416         }
1417
1418         if(!file || !this.urlAPI){
1419             return;
1420         }
1421
1422         this.file = file;
1423         this.cropType = file.type;
1424
1425         var _this = this;
1426
1427         if(this.fireEvent('prepare', this, this.file) != false){
1428
1429             var reader = new FileReader();
1430
1431             reader.onload = function (e) {
1432                 if (e.target.error) {
1433                     Roo.log(e.target.error);
1434                     return;
1435                 }
1436
1437                 var buffer = e.target.result,
1438                     dataView = new DataView(buffer),
1439                     offset = 2,
1440                     maxOffset = dataView.byteLength - 4,
1441                     markerBytes,
1442                     markerLength;
1443
1444                 if (dataView.getUint16(0) === 0xffd8) {
1445                     while (offset < maxOffset) {
1446                         markerBytes = dataView.getUint16(offset);
1447
1448                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1449                             markerLength = dataView.getUint16(offset + 2) + 2;
1450                             if (offset + markerLength > dataView.byteLength) {
1451                                 Roo.log('Invalid meta data: Invalid segment size.');
1452                                 break;
1453                             }
1454
1455                             if(markerBytes == 0xffe1){
1456                                 _this.parseExifData(
1457                                     dataView,
1458                                     offset,
1459                                     markerLength
1460                                 );
1461                             }
1462
1463                             offset += markerLength;
1464
1465                             continue;
1466                         }
1467
1468                         break;
1469                     }
1470
1471                 }
1472
1473                 var url = _this.urlAPI.createObjectURL(_this.file);
1474
1475                 _this.loadCanvas(url);
1476
1477                 return;
1478             }
1479
1480             reader.readAsArrayBuffer(this.file);
1481
1482         }
1483
1484     },
1485
1486     parseExifData : function(dataView, offset, length)
1487     {
1488         var tiffOffset = offset + 10,
1489             littleEndian,
1490             dirOffset;
1491
1492         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1493             // No Exif data, might be XMP data instead
1494             return;
1495         }
1496
1497         // Check for the ASCII code for "Exif" (0x45786966):
1498         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1499             // No Exif data, might be XMP data instead
1500             return;
1501         }
1502         if (tiffOffset + 8 > dataView.byteLength) {
1503             Roo.log('Invalid Exif data: Invalid segment size.');
1504             return;
1505         }
1506         // Check for the two null bytes:
1507         if (dataView.getUint16(offset + 8) !== 0x0000) {
1508             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1509             return;
1510         }
1511         // Check the byte alignment:
1512         switch (dataView.getUint16(tiffOffset)) {
1513         case 0x4949:
1514             littleEndian = true;
1515             break;
1516         case 0x4D4D:
1517             littleEndian = false;
1518             break;
1519         default:
1520             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1521             return;
1522         }
1523         // Check for the TIFF tag marker (0x002A):
1524         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1525             Roo.log('Invalid Exif data: Missing TIFF marker.');
1526             return;
1527         }
1528         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1529         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1530
1531         this.parseExifTags(
1532             dataView,
1533             tiffOffset,
1534             tiffOffset + dirOffset,
1535             littleEndian
1536         );
1537     },
1538
1539     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1540     {
1541         var tagsNumber,
1542             dirEndOffset,
1543             i;
1544         if (dirOffset + 6 > dataView.byteLength) {
1545             Roo.log('Invalid Exif data: Invalid directory offset.');
1546             return;
1547         }
1548         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1549         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1550         if (dirEndOffset + 4 > dataView.byteLength) {
1551             Roo.log('Invalid Exif data: Invalid directory size.');
1552             return;
1553         }
1554         for (i = 0; i < tagsNumber; i += 1) {
1555             this.parseExifTag(
1556                 dataView,
1557                 tiffOffset,
1558                 dirOffset + 2 + 12 * i, // tag offset
1559                 littleEndian
1560             );
1561         }
1562         // Return the offset to the next directory:
1563         return dataView.getUint32(dirEndOffset, littleEndian);
1564     },
1565
1566     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1567     {
1568         var tag = dataView.getUint16(offset, littleEndian);
1569
1570         this.exif[tag] = this.getExifValue(
1571             dataView,
1572             tiffOffset,
1573             offset,
1574             dataView.getUint16(offset + 2, littleEndian), // tag type
1575             dataView.getUint32(offset + 4, littleEndian), // tag length
1576             littleEndian
1577         );
1578     },
1579
1580     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1581     {
1582         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1583             tagSize,
1584             dataOffset,
1585             values,
1586             i,
1587             str,
1588             c;
1589
1590         if (!tagType) {
1591             Roo.log('Invalid Exif data: Invalid tag type.');
1592             return;
1593         }
1594
1595         tagSize = tagType.size * length;
1596         // Determine if the value is contained in the dataOffset bytes,
1597         // or if the value at the dataOffset is a pointer to the actual data:
1598         dataOffset = tagSize > 4 ?
1599                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1600         if (dataOffset + tagSize > dataView.byteLength) {
1601             Roo.log('Invalid Exif data: Invalid data offset.');
1602             return;
1603         }
1604         if (length === 1) {
1605             return tagType.getValue(dataView, dataOffset, littleEndian);
1606         }
1607         values = [];
1608         for (i = 0; i < length; i += 1) {
1609             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1610         }
1611
1612         if (tagType.ascii) {
1613             str = '';
1614             // Concatenate the chars:
1615             for (i = 0; i < values.length; i += 1) {
1616                 c = values[i];
1617                 // Ignore the terminating NULL byte(s):
1618                 if (c === '\u0000') {
1619                     break;
1620                 }
1621                 str += c;
1622             }
1623             return str;
1624         }
1625         return values;
1626     }
1627
1628 });
1629
1630 Roo.apply(Roo.dialog.UploadCropbox, {
1631     tags : {
1632         'Orientation': 0x0112
1633     },
1634
1635     Orientation: {
1636             1: 0, //'top-left',
1637 //            2: 'top-right',
1638             3: 180, //'bottom-right',
1639 //            4: 'bottom-left',
1640 //            5: 'left-top',
1641             6: 90, //'right-top',
1642 //            7: 'right-bottom',
1643             8: 270 //'left-bottom'
1644     },
1645
1646     exifTagTypes : {
1647         // byte, 8-bit unsigned int:
1648         1: {
1649             getValue: function (dataView, dataOffset) {
1650                 return dataView.getUint8(dataOffset);
1651             },
1652             size: 1
1653         },
1654         // ascii, 8-bit byte:
1655         2: {
1656             getValue: function (dataView, dataOffset) {
1657                 return String.fromCharCode(dataView.getUint8(dataOffset));
1658             },
1659             size: 1,
1660             ascii: true
1661         },
1662         // short, 16 bit int:
1663         3: {
1664             getValue: function (dataView, dataOffset, littleEndian) {
1665                 return dataView.getUint16(dataOffset, littleEndian);
1666             },
1667             size: 2
1668         },
1669         // long, 32 bit int:
1670         4: {
1671             getValue: function (dataView, dataOffset, littleEndian) {
1672                 return dataView.getUint32(dataOffset, littleEndian);
1673             },
1674             size: 4
1675         },
1676         // rational = two long values, first is numerator, second is denominator:
1677         5: {
1678             getValue: function (dataView, dataOffset, littleEndian) {
1679                 return dataView.getUint32(dataOffset, littleEndian) /
1680                     dataView.getUint32(dataOffset + 4, littleEndian);
1681             },
1682             size: 8
1683         },
1684         // slong, 32 bit signed int:
1685         9: {
1686             getValue: function (dataView, dataOffset, littleEndian) {
1687                 return dataView.getInt32(dataOffset, littleEndian);
1688             },
1689             size: 4
1690         },
1691         // srational, two slongs, first is numerator, second is denominator:
1692         10: {
1693             getValue: function (dataView, dataOffset, littleEndian) {
1694                 return dataView.getInt32(dataOffset, littleEndian) /
1695                     dataView.getInt32(dataOffset + 4, littleEndian);
1696             },
1697             size: 8
1698         }
1699     },
1700
1701     footer : {
1702         STANDARD : [
1703             {
1704                 tag : 'div',
1705                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1706                 action : 'rotate-left',
1707                 cn : [
1708                     {
1709                         tag : 'button',
1710                         cls : 'btn btn-default',
1711                         html : '<i class="fa fa-undo"></i>'
1712                     }
1713                 ]
1714             },
1715             {
1716                 tag : 'div',
1717                 cls : 'btn-group roo-upload-cropbox-picture',
1718                 action : 'picture',
1719                 cn : [
1720                     {
1721                         tag : 'button',
1722                         cls : 'btn btn-default',
1723                         html : '<i class="fa fa-picture-o"></i>'
1724                     }
1725                 ]
1726             },
1727             {
1728                 tag : 'div',
1729                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1730                 action : 'rotate-right',
1731                 cn : [
1732                     {
1733                         tag : 'button',
1734                         cls : 'btn btn-default',
1735                         html : '<i class="fa fa-repeat"></i>'
1736                     }
1737                 ]
1738             }
1739         ],
1740         DOCUMENT : [
1741             {
1742                 tag : 'div',
1743                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1744                 action : 'rotate-left',
1745                 cn : [
1746                     {
1747                         tag : 'button',
1748                         cls : 'btn btn-default',
1749                         html : '<i class="fa fa-undo"></i>'
1750                     }
1751                 ]
1752             },
1753             {
1754                 tag : 'div',
1755                 cls : 'btn-group roo-upload-cropbox-download',
1756                 action : 'download',
1757                 cn : [
1758                     {
1759                         tag : 'button',
1760                         cls : 'btn btn-default',
1761                         html : '<i class="fa fa-download"></i>'
1762                     }
1763                 ]
1764             },
1765             {
1766                 tag : 'div',
1767                 cls : 'btn-group roo-upload-cropbox-crop',
1768                 action : 'crop',
1769                 cn : [
1770                     {
1771                         tag : 'button',
1772                         cls : 'btn btn-default',
1773                         html : '<i class="fa fa-crop"></i>'
1774                     }
1775                 ]
1776             },
1777             {
1778                 tag : 'div',
1779                 cls : 'btn-group roo-upload-cropbox-trash',
1780                 action : 'trash',
1781                 cn : [
1782                     {
1783                         tag : 'button',
1784                         cls : 'btn btn-default',
1785                         html : '<i class="fa fa-trash"></i>'
1786                     }
1787                 ]
1788             },
1789             {
1790                 tag : 'div',
1791                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1792                 action : 'rotate-right',
1793                 cn : [
1794                     {
1795                         tag : 'button',
1796                         cls : 'btn btn-default',
1797                         html : '<i class="fa fa-repeat"></i>'
1798                     }
1799                 ]
1800             }
1801         ],
1802         ROTATOR : [
1803             {
1804                 tag : 'div',
1805                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1806                 action : 'rotate-left',
1807                 cn : [
1808                     {
1809                         tag : 'button',
1810                         cls : 'btn btn-default',
1811                         html : '<i class="fa fa-undo"></i>'
1812                     }
1813                 ]
1814             },
1815             {
1816                 tag : 'div',
1817                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1818                 action : 'rotate-right',
1819                 cn : [
1820                     {
1821                         tag : 'button',
1822                         cls : 'btn btn-default',
1823                         html : '<i class="fa fa-repeat"></i>'
1824                     }
1825                 ]
1826             }
1827         ]
1828     }
1829 });