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

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