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 {Number} outputMaxWidth default 1200
  16  * @cfg {Number} windowSize default 300
  17  * @cfg {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
  18  * @cfg {Boolean} isDocument (true|false) default false
  19  * @cfg {String} url action url
  20  * @cfg {String} paramName default 'imageUpload'
  21  * @cfg {String} method default POST
  22  * @cfg {Boolean} loadMask (true|false) default true
  23  * @cfg {Boolean} loadingText default 'Loading...'
  24  *
  25  * @constructor
  26  * Create a new UploadCropbox
  27  * @param {Object} config The config object
  28  */
  29
  30  Roo.dialog.UploadCropbox = function(config){
  31     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  32
  33     this.addEvents({
  34         /**
  35          * @event beforeselectfile
  36          * Fire before select file
  37          * @param {Roo.dialog.UploadCropbox} this
  38          */
  39         "beforeselectfile" : true,
  40         /**
  41          * @event initial
  42          * Fire after initEvent
  43          * @param {Roo.dialog.UploadCropbox} this
  44          */
  45         "initial" : true,
  46         /**
  47          * @event crop
  48          * Fire after initEvent
  49          * @param {Roo.dialog.UploadCropbox} this
  50          * @param {String} data
  51          */
  52         "crop" : true,
  53         /**
  54          * @event prepare
  55          * Fire when preparing the file data
  56          * @param {Roo.dialog.UploadCropbox} this
  57          * @param {Object} file
  58          */
  59         "prepare" : true,
  60         /**
  61          * @event exception
  62          * Fire when get exception
  63          * @param {Roo.dialog.UploadCropbox} this
  64          * @param {XMLHttpRequest} xhr
  65          */
  66         "exception" : true,
  67         /**
  68          * @event beforeloadcanvas
  69          * Fire before load the canvas
  70          * @param {Roo.dialog.UploadCropbox} this
  71          * @param {String} src
  72          */
  73         "beforeloadcanvas" : true,
  74         /**
  75          * @event trash
  76          * Fire when trash image
  77          * @param {Roo.dialog.UploadCropbox} this
  78          */
  79         "trash" : true,
  80         /**
  81          * @event download
  82          * Fire when download the image
  83          * @param {Roo.dialog.UploadCropbox} this
  84          */
  85         "download" : true,
  86         /**
  87          * @event footerbuttonclick
  88          * Fire when footerbuttonclick
  89          * @param {Roo.dialog.UploadCropbox} this
  90          * @param {String} type
  91          */
  92         "footerbuttonclick" : true,
  93         /**
  94          * @event resize
  95          * Fire when resize
  96          * @param {Roo.dialog.UploadCropbox} this
  97          */
  98         "resize" : true,
  99         /**
 100          * @event rotate
 101          * Fire when rotate the image
 102          * @param {Roo.dialog.UploadCropbox} this
 103          * @param {String} pos
 104          */
 105         "rotate" : true,
 106         /**
 107          * @event inspect
 108          * Fire when inspect the file
 109          * @param {Roo.dialog.UploadCropbox} this
 110          * @param {Object} file
 111          */
 112         "inspect" : true,
 113         /**
 114          * @event upload
 115          * Fire when xhr upload the file
 116          * @param {Roo.dialog.UploadCropbox} this
 117          * @param {Object} data
 118          */
 119         "upload" : true,
 120         /**
 121          * @event arrange
 122          * Fire when arrange the file data
 123          * @param {Roo.dialog.UploadCropbox} this
 124          * @param {Object} formData
 125          */
 126         "arrange" : true,
 127         /**
 128          * @event loadcanvas
 129          * Fire after load the canvas
 130          * @param {Roo.dialog.UploadCropbox}
 131          * @param {Object} imgEl
 132          */
 133         "loadcanvas" : true
 134     });
 135
 136     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 137 };
 138
 139 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 140
 141     emptyText : 'Click to upload image',
 142     rotateNotify : 'Image is too small to rotate',
 143     errorTimeout : 3000,
 144     scale : 0,
 145     baseScale : 1,
 146     rotate : 0,
 147     dragable : false,
 148     pinching : false,
 149     mouseX : 0,
 150     mouseY : 0,
 151     cropData : false,
 152     minWidth : 300,
 153     minHeight : 300,
 154     outputMaxWidth : 1200,
 155     windowSize : 300,
 156     file : false,
 157     exif : {},
 158     baseRotate : 1,
 159     cropType : 'image/jpeg',
 160     buttons : false,
 161     canvasLoaded : false,
 162     isDocument : false,
 163     method : 'POST',
 164     paramName : 'imageUpload',
 165     loadMask : true,
 166     loadingText : 'Loading...',
 167     maskEl : false,
 168
 169     getAutoCreate : function()
 170     {
 171         var cfg = {
 172             tag : 'div',
 173             cls : 'roo-upload-cropbox',
 174             cn : [
 175                 {
 176                     tag : 'input',
 177                     cls : 'roo-upload-cropbox-selector',
 178                     type : 'file'
 179                 },
 180                 {
 181                     tag : 'div',
 182                     cls : 'roo-upload-cropbox-body',
 183                     style : 'cursor:pointer',
 184                     cn : [
 185                         {
 186                             tag : 'div',
 187                             cls : 'roo-upload-cropbox-preview'
 188                         },
 189                         {
 190                             tag : 'div',
 191                             cls : 'roo-upload-cropbox-thumb'
 192                         },
 193                         {
 194                             tag : 'div',
 195                             cls : 'roo-upload-cropbox-empty-notify',
 196                             html : this.emptyText
 197                         },
 198                         {
 199                             tag : 'div',
 200                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 201                             html : this.rotateNotify
 202                         }
 203                     ]
 204                 },
 205                 {
 206                     tag : 'div',
 207                     cls : 'roo-upload-cropbox-footer',
 208                     cn : {
 209                         tag : 'div',
 210                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 211                         cn : []
 212                     }
 213                 }
 214             ]
 215         };
 216
 217         return cfg;
 218     },
 219
 220     onRender : function(ct, position)
 221     {
 222         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 223
 224         if(this.el){
 225             if (this.el.attr('xtype')) {
 226                 this.el.attr('xtypex', this.el.attr('xtype'));
 227                 this.el.dom.removeAttribute('xtype');
 228
 229                 this.initEvents();
 230             }
 231         }
 232         else {
 233             var cfg = Roo.apply({},  this.getAutoCreate());
 234
 235             cfg.id = this.id || Roo.id();
 236
 237             if (this.cls) {
 238                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 239             }
 240
 241             if (this.style) { // fixme needs to support more complex style data.
 242                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 243             }
 244
 245             this.el = ct.createChild(cfg, position);
 246
 247             this.initEvents();
 248         }
 249
 250         if (this.buttons.length) {
 251
 252             Roo.each(this.buttons, function(bb) {
 253
 254                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 255
 256                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 257
 258             }, this);
 259         }
 260
 261         if(this.loadMask){
 262             this.maskEl = this.el;
 263         }
 264     },
 265
 266     initEvents : function()
 267     {
 268         this.urlAPI = (window.createObjectURL && window) ||
 269                                 (window.URL && URL.revokeObjectURL && URL) ||
 270                                 (window.webkitURL && webkitURL);
 271
 272         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 273         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 274
 275         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 276         this.selectorEl.hide();
 277
 278         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 279         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 280
 281         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 282         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 283         this.thumbEl.hide();
 284
 285         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 286         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 287
 288         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 289         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 290         this.errorEl.hide();
 291
 292         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 293         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 294         this.footerEl.hide();
 295
 296         this.setThumbBoxSize();
 297
 298         this.bind();
 299
 300         this.resize();
 301
 302         this.fireEvent('initial', this);
 303     },
 304
 305     bind : function()
 306     {
 307         var _this = this;
 308
 309         window.addEventListener("resize", function() { _this.resize(); } );
 310
 311         this.bodyEl.on('click', this.beforeSelectFile, this);
 312
 313         if(Roo.isTouch){
 314             this.bodyEl.on('touchstart', this.onTouchStart, this);
 315             this.bodyEl.on('touchmove', this.onTouchMove, this);
 316             this.bodyEl.on('touchend', this.onTouchEnd, this);
 317         }
 318
 319         if(!Roo.isTouch){
 320             this.bodyEl.on('mousedown', this.onMouseDown, this);
 321             this.bodyEl.on('mousemove', this.onMouseMove, this);
 322             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 323             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 324             Roo.get(document).on('mouseup', this.onMouseUp, this);
 325         }
 326
 327         this.selectorEl.on('change', this.onFileSelected, this);
 328     },
 329
 330     reset : function()
 331     {
 332         this.scale = 0;
 333         this.baseScale = 1;
 334         this.rotate = 0;
 335         this.baseRotate = 1;
 336         this.dragable = false;
 337         this.pinching = false;
 338         this.mouseX = 0;
 339         this.mouseY = 0;
 340         this.cropData = false;
 341         this.notifyEl.dom.innerHTML = this.emptyText;
 342
 343         // this.selectorEl.dom.value = '';
 344
 345     },
 346
 347     resize : function()
 348     {
 349         if(this.fireEvent('resize', this) != false){
 350             this.setThumbBoxPosition();
 351             this.setCanvasPosition();
 352         }
 353     },
 354
 355     onFooterButtonClick : function(e, el, o, type)
 356     {
 357         switch (type) {
 358             case 'rotate-left' :
 359                 this.onRotateLeft(e);
 360                 break;
 361             case 'rotate-right' :
 362                 this.onRotateRight(e);
 363                 break;
 364             case 'picture' :
 365                 this.beforeSelectFile(e);
 366                 break;
 367             case 'trash' :
 368                 this.trash(e);
 369                 break;
 370             case 'crop' :
 371                 this.crop(e);
 372                 break;
 373             case 'download' :
 374                 this.download(e);
 375                 break;
 376             case 'center' :
 377                 this.center(e);
 378                 break;
 379             default :
 380                 break;
 381         }
 382
 383         this.fireEvent('footerbuttonclick', this, type);
 384     },
 385
 386     beforeSelectFile : function(e)
 387     {
 388         e.preventDefault();
 389
 390         if(this.fireEvent('beforeselectfile', this) != false){
 391             this.selectorEl.dom.click();
 392         }
 393     },
 394
 395     onFileSelected : function(e)
 396     {
 397         e.preventDefault();
 398
 399         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 400             return;
 401         }
 402
 403         var file = this.selectorEl.dom.files[0];
 404
 405         if(this.fireEvent('inspect', this, file) != false){
 406             this.prepare(file);
 407         }
 408
 409     },
 410
 411     trash : function(e)
 412     {
 413         this.fireEvent('trash', this);
 414     },
 415
 416     download : function(e)
 417     {
 418         this.fireEvent('download', this);
 419     },
 420
 421     center : function(e)
 422     {
 423         this.setCanvasPosition();
 424     },
 425
 426     loadCanvas : function(src)
 427     {
 428         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 429
 430             this.reset();
 431
 432             this.imageEl = document.createElement('img');
 433
 434             var _this = this;
 435
 436             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 437
 438             this.imageEl.src = src;
 439         }
 440     },
 441
 442     onLoadCanvas : function()
 443     {
 444         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 445         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 446
 447         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 448
 449             this.bodyEl.un('click', this.beforeSelectFile, this);
 450
 451             this.notifyEl.hide();
 452             this.thumbEl.show();
 453             this.footerEl.show();
 454
 455             this.baseRotateLevel();
 456
 457             if(this.isDocument){
 458                 this.setThumbBoxSize();
 459             }
 460
 461             this.setThumbBoxPosition();
 462
 463             this.baseScaleLevel();
 464
 465             this.draw();
 466
 467             this.resize();
 468
 469             this.canvasLoaded = true;
 470
 471         }
 472
 473         if(this.loadMask){
 474             this.maskEl.unmask();
 475         }
 476
 477     },
 478
 479     setCanvasPosition : function(center = true)
 480     {
 481         if(!this.canvasEl){
 482             return;
 483         }
 484
 485         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 486         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 487
 488         if(center) {
 489             this.previewEl.setLeft(newCenterLeft);
 490             this.previewEl.setTop(newCenterTop);
 491
 492             return;
 493         }
 494
 495         var oldScaleLevel = this.baseScale * Math.pow(1.02, this.startScale);
 496         var oldCanvasWidth = Math.floor(this.imageEl.OriginWidth * oldScaleLevel);
 497         var oldCanvasHeight = Math.floor(this.imageEl.OriginHeight * oldScaleLevel);
 498
 499         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - oldCanvasWidth) / 2);
 500         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - oldCanvasHeight) / 2);
 501
 502         var leftDiff = newCenterLeft - oldCenterLeft;
 503         var topDiff = newCenterTop - oldCenterTop;
 504
 505         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 506         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 507
 508         Roo.log("-------------");
 509
 510         // Roo.log("old canvas width: " + oldCanvasWidth);
 511         // Roo.log("old canvas height: " + oldCanvasHeight);
 512
 513         // Roo.log("new canvas width: " + this.canvasEl.width);
 514         // Roo.log("new canvas height: " + this.canvasEl.height);
 515
 516         // Roo.log("old preview left: " + this.previewEl.getLeft(true));
 517         // Roo.log("old preview top: " + this.previewEl.getTop(true));
 518
 519         // Roo.log("new preview left: " + newPreviewLeft);
 520         // Roo.log("new preview top: " + newPreviewTop);
 521
 522         this.previewEl.setLeft(newPreviewLeft);
 523         this.previewEl.setTop(newPreviewTop);
 524
 525     },
 526
 527     onMouseDown : function(e)
 528     {
 529         e.stopEvent();
 530
 531         this.dragable = true;
 532         this.pinching = false;
 533
 534         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 535             this.dragable = false;
 536             return;
 537         }
 538
 539         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 540         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 541
 542     },
 543
 544     onMouseMove : function(e)
 545     {
 546         e.stopEvent();
 547
 548         if(!this.canvasLoaded){
 549             return;
 550         }
 551
 552         if (!this.dragable){
 553             return;
 554         }
 555
 556         var minX = Math.ceil(this.thumbEl.getLeft(true));
 557         var minY = Math.ceil(this.thumbEl.getTop(true));
 558
 559         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 560         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 561
 562         if(minX > maxX) {
 563             var tempX = minX;
 564             minX = maxX;
 565             maxX = tempX;
 566         }
 567
 568         if(minY > maxY) {
 569             var tempY = minY;
 570             minY = maxY;
 571             maxY = tempY;
 572         }
 573
 574         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 575         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 576
 577         x = x - this.mouseX;
 578         y = y - this.mouseY;
 579
 580         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 581         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 582
 583         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 584         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 585
 586         this.previewEl.setLeft(bgX);
 587         this.previewEl.setTop(bgY);
 588
 589         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 590         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 591     },
 592
 593     onMouseUp : function(e)
 594     {
 595         e.stopEvent();
 596
 597         this.dragable = false;
 598     },
 599
 600     onMouseWheel : function(e)
 601     {
 602         e.stopEvent();
 603
 604         this.startScale = this.scale;
 605         this.scale = (e.getWheelDelta() > 0) ? (this.scale + 1) : (this.scale - 1);
 606
 607         if(!this.zoomable()){
 608             this.scale = this.startScale;
 609             return;
 610         }
 611
 612
 613         this.draw();
 614
 615         return;
 616     },
 617
 618     zoomable : function()
 619     {
 620         var minScale = this.thumbEl.getWidth() / this.minWidth;
 621
 622         if(this.minWidth < this.minHeight){
 623             minScale = this.thumbEl.getHeight() / this.minHeight;
 624         }
 625
 626         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 627         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 628
 629         var maxWidth = this.imageEl.OriginWidth;
 630         var maxHeight = this.imageEl.OriginHeight;
 631
 632
 633         var newCanvasWidth = Math.floor(this.imageEl.OriginWidth * this.getScaleLevel());
 634         var newCanvasHeight = Math.floor(this.imageEl.OriginHeight * this.getScaleLevel());
 635
 636         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 637         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 638
 639         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - newCanvasWidth) / 2);
 640         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - newCanvasHeight) / 2);
 641
 642         var leftDiff = newCenterLeft - oldCenterLeft;
 643         var topDiff = newCenterTop - oldCenterTop;
 644
 645         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 646         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 647
 648         var paddingLeft = newPreviewLeft - this.thumbEl.getLeft(true);
 649         var paddingTop = newPreviewTop - this.thumbEl.getTop(true);
 650
 651         var paddingRight = this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - newCanvasWidth - newPreviewLeft;
 652         var paddingBottom = this.thumbEl.getTop(true) + this.thumbEl.getHeight() - newCanvasHeight - newPreviewTop;
 653
 654         var maxPaddingLeft = newCanvasWidth > newCanvasHeight ? newCanvasWidth * 0.05 : newCanvasHeight * 0.05;
 655         var maxPaddingTop = newCanvasWidth > newCanvasHeight ? newCanvasWidth * 0.05 : newCanvasHeight * 0.05;
 656
 657         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 658             maxPaddingLeft = Math.ceil((newCanvasHeight * this.minWidth / this.minHeight - newCanvasWidth) / 2 + maxPaddingTop);
 659         }
 660
 661         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 662             maxPaddingTop = Math.ceil((newCanvasWidth * this.minHeight / this.minWidth - newCanvasHeight) / 2 + maxPaddingLeft);
 663         }
 664
 665         Roo.log("=================================");
 666         Roo.log("old canvas width: " + this.canvasEl.width);
 667         Roo.log("old canvas height: " + this.canvasEl.height);
 668
 669         Roo.log("new canvas width: " + newCanvasWidth);
 670         Roo.log("new canvas height: " + newCanvasHeight);
 671
 672         Roo.log("old preview left: " + this.previewEl.getLeft(true));
 673         Roo.log("old preview top: " + this.previewEl.getTop(true));
 674
 675         Roo.log("new preview left: " + newPreviewLeft);
 676         Roo.log("new preview top: " + newPreviewTop);
 677
 678         Roo.log("padding left: " + paddingLeft);
 679         Roo.log("padding top: " + paddingTop);
 680
 681         Roo.log("padding right: " + paddingRight);
 682         Roo.log("padding bottom: " + paddingBottom);
 683
 684         Roo.log("max padding left: " + maxPaddingLeft);
 685         Roo.log("max padding top: " + maxPaddingTop);
 686
 687         if(
 688                 this.isDocument &&
 689                 (this.rotate == 0 || this.rotate == 180) &&
 690                 (
 691                     width > this.imageEl.OriginWidth ||
 692                     height > this.imageEl.OriginHeight ||
 693                     (width < this.minWidth && height < this.minHeight)
 694                 )
 695         ){
 696             return false;
 697         }
 698
 699         if(
 700                 this.isDocument &&
 701                 (this.rotate == 90 || this.rotate == 270) &&
 702                 (
 703                     width > this.imageEl.OriginWidth ||
 704                     height > this.imageEl.OriginHeight ||
 705                     (width < this.minHeight && height < this.minWidth)
 706                 )
 707         ){
 708             return false;
 709         }
 710
 711         if(
 712                 !this.isDocument &&
 713                 (this.rotate == 0 || this.rotate == 180) &&
 714                 (
 715                     paddingLeft > maxPaddingLeft ||
 716                     paddingRight > maxPaddingLeft ||
 717                     paddingTop > maxPaddingTop ||
 718                     paddingBottom > maxPaddingTop ||
 719                     width > maxWidth ||
 720                     height > maxHeight
 721                 )
 722         ){
 723             return false;
 724         }
 725
 726         if(
 727                 !this.isDocument &&
 728                 (this.rotate == 90 || this.rotate == 270) &&
 729                 (
 730                     width < this.minHeight ||
 731                     width > this.imageEl.OriginWidth ||
 732                     height < this.minWidth ||
 733                     height > this.imageEl.OriginHeight
 734                 )
 735         ){
 736             return false;
 737         }
 738
 739         return true;
 740
 741     },
 742
 743     onRotateLeft : function(e)
 744     {
 745         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 746
 747             var minScale = this.thumbEl.getWidth() / this.minWidth;
 748
 749             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 750             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 751
 752             this.startScale = this.scale;
 753
 754             while (this.getScaleLevel() < minScale){
 755
 756                 this.scale = this.scale + 1;
 757
 758                 if(!this.zoomable()){
 759                     break;
 760                 }
 761
 762                 if(
 763                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 764                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 765                 ){
 766                     continue;
 767                 }
 768
 769                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 770
 771                 this.draw();
 772
 773                 return;
 774             }
 775
 776             this.scale = this.startScale;
 777
 778             this.onRotateFail();
 779
 780             return false;
 781         }
 782
 783         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 784
 785         if(this.isDocument){
 786             this.setThumbBoxSize();
 787             this.setThumbBoxPosition();
 788             this.setCanvasPosition();
 789         }
 790
 791         this.draw();
 792
 793         this.fireEvent('rotate', this, 'left');
 794
 795     },
 796
 797     onRotateRight : function(e)
 798     {
 799         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 800
 801             var minScale = this.thumbEl.getWidth() / this.minWidth;
 802
 803             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 804             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 805
 806             this.startScale = this.scale;
 807
 808             while (this.getScaleLevel() < minScale){
 809
 810                 this.scale = this.scale + 1;
 811
 812                 if(!this.zoomable()){
 813                     break;
 814                 }
 815
 816                 if(
 817                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 818                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 819                 ){
 820                     continue;
 821                 }
 822
 823                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 824
 825                 this.draw();
 826
 827                 return;
 828             }
 829
 830             this.scale = this.startScale;
 831
 832             this.onRotateFail();
 833
 834             return false;
 835         }
 836
 837         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 838
 839         if(this.isDocument){
 840             this.setThumbBoxSize();
 841             this.setThumbBoxPosition();
 842             this.setCanvasPosition();
 843         }
 844
 845         this.draw();
 846
 847         this.fireEvent('rotate', this, 'right');
 848     },
 849
 850     onRotateFail : function()
 851     {
 852         this.errorEl.show(true);
 853
 854         var _this = this;
 855
 856         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 857     },
 858
 859     draw : function()
 860     {
 861         this.previewEl.dom.innerHTML = '';
 862
 863         var canvasEl = document.createElement("canvas");
 864
 865         var contextEl = canvasEl.getContext("2d");
 866
 867         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 868         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 869         var center = this.imageEl.OriginWidth / 2;
 870
 871         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 872             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 873             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 874             center = this.imageEl.OriginHeight / 2;
 875         }
 876
 877         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 878
 879         contextEl.translate(center, center);
 880         contextEl.rotate(this.rotate * Math.PI / 180);
 881
 882         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 883
 884         this.canvasEl = document.createElement("canvas");
 885
 886         this.contextEl = this.canvasEl.getContext("2d");
 887
 888         switch (this.rotate) {
 889             case 0 :
 890
 891                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 892                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 893
 894                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 895
 896                 break;
 897             case 90 :
 898
 899                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 900                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 901
 902                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 903                     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);
 904                     break;
 905                 }
 906
 907                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 908
 909                 break;
 910             case 180 :
 911
 912                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 913                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 914
 915                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 916                     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);
 917                     break;
 918                 }
 919
 920                 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);
 921
 922                 break;
 923             case 270 :
 924
 925                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 926                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 927
 928                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 929                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 930                     break;
 931                 }
 932
 933                 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);
 934
 935                 break;
 936             default :
 937                 break;
 938         }
 939
 940         this.previewEl.appendChild(this.canvasEl);
 941
 942         this.setCanvasPosition(false);
 943     },
 944
 945     crop : function()
 946     {
 947         if(!this.canvasLoaded){
 948             return;
 949         }
 950
 951         var imageCanvas = document.createElement("canvas");
 952
 953         var imageContext = imageCanvas.getContext("2d");
 954
 955         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 956         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 957
 958         var center = imageCanvas.width / 2;
 959
 960         imageContext.translate(center, center);
 961
 962         imageContext.rotate(this.rotate * Math.PI / 180);
 963
 964         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 965
 966         var canvas = document.createElement("canvas");
 967
 968         var context = canvas.getContext("2d");
 969
 970         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 971
 972         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 973
 974         switch (this.rotate) {
 975             case 0 :
 976
 977                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 978                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 979
 980                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 981                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 982
 983                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
 984                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
 985
 986                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 987                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 988
 989                 if(canvas.width > this.outputMaxWidth) {
 990                     var scale = this.outputMaxWidth / canvas.width;
 991                     canvas.width = canvas.width * scale;
 992                     canvas.height = canvas.height * scale;
 993                     context.scale(scale, scale);
 994                 }
 995
 996                 context.fillStyle = 'white';
 997                 context.fillRect(0, 0, this.thumbEl.getWidth() / this.getScaleLevel(), this.thumbEl.getHeight() / this.getScaleLevel());
 998
 999
1000                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1001
1002                 break;
1003             case 90 :
1004
1005                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1006                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1007
1008                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1009                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1010
1011                 var targetWidth = this.minWidth - 2 * x;
1012                 var targetHeight = this.minHeight - 2 * y;
1013
1014                 var scale = 1;
1015
1016                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1017                     scale = targetWidth / width;
1018                 }
1019
1020                 if(x > 0 && y == 0){
1021                     scale = targetHeight / height;
1022                 }
1023
1024                 if(x > 0 && y > 0){
1025                     scale = targetWidth / width;
1026
1027                     if(width < height){
1028                         scale = targetHeight / height;
1029                     }
1030                 }
1031
1032                 context.scale(scale, scale);
1033
1034                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1035                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1036
1037                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1038                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1039
1040                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1041
1042                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1043
1044                 break;
1045             case 180 :
1046
1047                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
1048                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
1049
1050                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1051                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1052
1053                 var targetWidth = this.minWidth - 2 * x;
1054                 var targetHeight = this.minHeight - 2 * y;
1055
1056                 var scale = 1;
1057
1058                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1059                     scale = targetWidth / width;
1060                 }
1061
1062                 if(x > 0 && y == 0){
1063                     scale = targetHeight / height;
1064                 }
1065
1066                 if(x > 0 && y > 0){
1067                     scale = targetWidth / width;
1068
1069                     if(width < height){
1070                         scale = targetHeight / height;
1071                     }
1072                 }
1073
1074                 context.scale(scale, scale);
1075
1076                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1077                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1078
1079                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1080                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1081
1082                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1083                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1084
1085                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1086
1087                 break;
1088             case 270 :
1089
1090                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1091                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1092
1093                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1094                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1095
1096                 var targetWidth = this.minWidth - 2 * x;
1097                 var targetHeight = this.minHeight - 2 * y;
1098
1099                 var scale = 1;
1100
1101                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1102                     scale = targetWidth / width;
1103                 }
1104
1105                 if(x > 0 && y == 0){
1106                     scale = targetHeight / height;
1107                 }
1108
1109                 if(x > 0 && y > 0){
1110                     scale = targetWidth / width;
1111
1112                     if(width < height){
1113                         scale = targetHeight / height;
1114                     }
1115                 }
1116
1117                 context.scale(scale, scale);
1118                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1119                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1120
1121                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1122                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1123
1124                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1125
1126                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1127
1128                 break;
1129             default :
1130                 break;
1131         }
1132
1133         this.cropData = canvas.toDataURL(this.cropType);
1134
1135         if(this.fireEvent('crop', this, this.cropData) !== false){
1136             this.process(this.file, this.cropData);
1137         }
1138
1139         return;
1140
1141     },
1142
1143     setThumbBoxSize : function()
1144     {
1145         var width, height;
1146
1147         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1148             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1149             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1150
1151             this.minWidth = width;
1152             this.minHeight = height;
1153
1154             if(this.rotate == 90 || this.rotate == 270){
1155                 this.minWidth = height;
1156                 this.minHeight = width;
1157             }
1158         }
1159
1160         height = this.windowSize;
1161         width = Math.ceil(this.minWidth * height / this.minHeight);
1162
1163         if(this.minWidth > this.minHeight){
1164             width = this.windowSize;
1165             height = Math.ceil(this.minHeight * width / this.minWidth);
1166         }
1167
1168         this.thumbEl.setStyle({
1169             width : width + 'px',
1170             height : height + 'px'
1171         });
1172
1173         return;
1174
1175     },
1176
1177     setThumbBoxPosition : function()
1178     {
1179         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1180         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1181
1182         this.thumbEl.setLeft(x);
1183         this.thumbEl.setTop(y);
1184
1185     },
1186
1187     baseRotateLevel : function()
1188     {
1189         this.baseRotate = 1;
1190
1191         if(
1192                 typeof(this.exif) != 'undefined' &&
1193                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1194                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1195         ){
1196             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1197         }
1198
1199         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1200
1201     },
1202
1203     baseScaleLevel : function()
1204     {
1205         var width, height;
1206
1207         if(this.isDocument){
1208
1209             if(this.baseRotate == 6 || this.baseRotate == 8){
1210
1211                 height = this.thumbEl.getHeight();
1212                 this.baseScale = height / this.imageEl.OriginWidth;
1213
1214                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1215                     width = this.thumbEl.getWidth();
1216                     this.baseScale = width / this.imageEl.OriginHeight;
1217                 }
1218
1219                 return;
1220             }
1221
1222             height = this.thumbEl.getHeight();
1223             this.baseScale = height / this.imageEl.OriginHeight;
1224
1225             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1226                 width = this.thumbEl.getWidth();
1227                 this.baseScale = width / this.imageEl.OriginWidth;
1228             }
1229
1230             return;
1231         }
1232
1233         if(this.baseRotate == 6 || this.baseRotate == 8){
1234
1235             width = this.thumbEl.getHeight();
1236             this.baseScale = width / this.imageEl.OriginHeight;
1237
1238             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1239                 height = this.thumbEl.getWidth();
1240                 this.baseScale = height / this.imageEl.OriginHeight;
1241             }
1242
1243             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1244                 height = this.thumbEl.getWidth();
1245                 this.baseScale = height / this.imageEl.OriginHeight;
1246
1247                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1248                     width = this.thumbEl.getHeight();
1249                     this.baseScale = width / this.imageEl.OriginWidth;
1250                 }
1251             }
1252
1253             return;
1254         }
1255
1256         width = this.thumbEl.getWidth();
1257         this.baseScale = width / this.imageEl.OriginWidth;
1258
1259         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1260             height = this.thumbEl.getHeight();
1261             this.baseScale = height / this.imageEl.OriginHeight;
1262         }
1263
1264         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1265
1266             height = this.thumbEl.getHeight();
1267             this.baseScale = height / this.imageEl.OriginHeight;
1268
1269             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1270                 width = this.thumbEl.getWidth();
1271                 this.baseScale = width / this.imageEl.OriginWidth;
1272             }
1273
1274         }
1275
1276         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1277             this.baseScale = width / this.minWidth;
1278         }
1279
1280         return;
1281     },
1282
1283     getScaleLevel : function()
1284     {
1285         return this.baseScale * Math.pow(1.02, this.scale);
1286     },
1287
1288     onTouchStart : function(e)
1289     {
1290         if(!this.canvasLoaded){
1291             this.beforeSelectFile(e);
1292             return;
1293         }
1294
1295         var touches = e.browserEvent.touches;
1296
1297         if(!touches){
1298             return;
1299         }
1300
1301         if(touches.length == 1){
1302             this.onMouseDown(e);
1303             return;
1304         }
1305
1306         if(touches.length != 2){
1307             return;
1308         }
1309
1310         var coords = [];
1311
1312         for(var i = 0, finger; finger = touches[i]; i++){
1313             coords.push(finger.pageX, finger.pageY);
1314         }
1315
1316         var x = Math.pow(coords[0] - coords[2], 2);
1317         var y = Math.pow(coords[1] - coords[3], 2);
1318
1319         this.startDistance = Math.sqrt(x + y);
1320
1321         this.startScale = this.scale;
1322
1323         this.pinching = true;
1324         this.dragable = false;
1325
1326     },
1327
1328     onTouchMove : function(e)
1329     {
1330         if(!this.pinching && !this.dragable){
1331             return;
1332         }
1333
1334         var touches = e.browserEvent.touches;
1335
1336         if(!touches){
1337             return;
1338         }
1339
1340         if(this.dragable){
1341             this.onMouseMove(e);
1342             return;
1343         }
1344
1345         var coords = [];
1346
1347         for(var i = 0, finger; finger = touches[i]; i++){
1348             coords.push(finger.pageX, finger.pageY);
1349         }
1350
1351         var x = Math.pow(coords[0] - coords[2], 2);
1352         var y = Math.pow(coords[1] - coords[3], 2);
1353
1354         this.endDistance = Math.sqrt(x + y);
1355
1356         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1357
1358         if(!this.zoomable()){
1359             this.scale = this.startScale;
1360             return;
1361         }
1362
1363         this.draw();
1364
1365     },
1366
1367     onTouchEnd : function(e)
1368     {
1369         this.pinching = false;
1370         this.dragable = false;
1371
1372     },
1373
1374     process : function(file, crop)
1375     {
1376         if(this.loadMask){
1377             this.maskEl.mask(this.loadingText);
1378         }
1379
1380         this.xhr = new XMLHttpRequest();
1381
1382         file.xhr = this.xhr;
1383
1384         this.xhr.open(this.method, this.url, true);
1385
1386         var headers = {
1387             "Accept": "application/json",
1388             "Cache-Control": "no-cache",
1389             "X-Requested-With": "XMLHttpRequest"
1390         };
1391
1392         for (var headerName in headers) {
1393             var headerValue = headers[headerName];
1394             if (headerValue) {
1395                 this.xhr.setRequestHeader(headerName, headerValue);
1396             }
1397         }
1398
1399         var _this = this;
1400
1401         this.xhr.onload = function()
1402         {
1403             _this.xhrOnLoad(_this.xhr);
1404         }
1405
1406         this.xhr.onerror = function()
1407         {
1408             _this.xhrOnError(_this.xhr);
1409         }
1410
1411         var formData = new FormData();
1412
1413         formData.append('returnHTML', 'NO');
1414
1415         if(crop){
1416             formData.append('crop', crop);
1417             var blobBin = atob(crop.split(',')[1]);
1418             var array = [];
1419             for(var i = 0; i < blobBin.length; i++) {
1420                 array.push(blobBin.charCodeAt(i));
1421             }
1422             var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1423             formData.append(this.paramName, croppedFile, file.name);
1424         }
1425
1426         if(typeof(file.filename) != 'undefined'){
1427             formData.append('filename', file.filename);
1428         }
1429
1430         if(typeof(file.mimetype) != 'undefined'){
1431             formData.append('mimetype', file.mimetype);
1432         }
1433
1434         if(this.fireEvent('arrange', this, formData) != false){
1435             this.xhr.send(formData);
1436         };
1437     },
1438
1439     xhrOnLoad : function(xhr)
1440     {
1441         if(this.loadMask){
1442             this.maskEl.unmask();
1443         }
1444
1445         if (xhr.readyState !== 4) {
1446             this.fireEvent('exception', this, xhr);
1447             return;
1448         }
1449
1450         var response = Roo.decode(xhr.responseText);
1451
1452         if(!response.success){
1453             this.fireEvent('exception', this, xhr);
1454             return;
1455         }
1456
1457         var response = Roo.decode(xhr.responseText);
1458
1459         this.fireEvent('upload', this, response);
1460
1461     },
1462
1463     xhrOnError : function()
1464     {
1465         if(this.loadMask){
1466             this.maskEl.unmask();
1467         }
1468
1469         Roo.log('xhr on error');
1470
1471         var response = Roo.decode(xhr.responseText);
1472
1473         Roo.log(response);
1474
1475     },
1476
1477     prepare : function(file)
1478     {
1479         if(this.loadMask){
1480             this.maskEl.mask(this.loadingText);
1481         }
1482
1483         this.file = false;
1484         this.exif = {};
1485
1486         if(typeof(file) === 'string'){
1487             this.loadCanvas(file);
1488             return;
1489         }
1490
1491         if(!file || !this.urlAPI){
1492             return;
1493         }
1494
1495         this.file = file;
1496         if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1497             this.cropType = file.type;
1498         }
1499
1500         var _this = this;
1501
1502         if(this.fireEvent('prepare', this, this.file) != false){
1503
1504             var reader = new FileReader();
1505
1506             reader.onload = function (e) {
1507                 if (e.target.error) {
1508                     Roo.log(e.target.error);
1509                     return;
1510                 }
1511
1512                 var buffer = e.target.result,
1513                     dataView = new DataView(buffer),
1514                     offset = 2,
1515                     maxOffset = dataView.byteLength - 4,
1516                     markerBytes,
1517                     markerLength;
1518
1519                 if (dataView.getUint16(0) === 0xffd8) {
1520                     while (offset < maxOffset) {
1521                         markerBytes = dataView.getUint16(offset);
1522
1523                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1524                             markerLength = dataView.getUint16(offset + 2) + 2;
1525                             if (offset + markerLength > dataView.byteLength) {
1526                                 Roo.log('Invalid meta data: Invalid segment size.');
1527                                 break;
1528                             }
1529
1530                             if(markerBytes == 0xffe1){
1531                                 _this.parseExifData(
1532                                     dataView,
1533                                     offset,
1534                                     markerLength
1535                                 );
1536                             }
1537
1538                             offset += markerLength;
1539
1540                             continue;
1541                         }
1542
1543                         break;
1544                     }
1545
1546                 }
1547
1548                 var url = _this.urlAPI.createObjectURL(_this.file);
1549
1550                 _this.loadCanvas(url);
1551
1552                 return;
1553             }
1554
1555             reader.readAsArrayBuffer(this.file);
1556
1557         }
1558
1559     },
1560
1561     parseExifData : function(dataView, offset, length)
1562     {
1563         var tiffOffset = offset + 10,
1564             littleEndian,
1565             dirOffset;
1566
1567         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1568             // No Exif data, might be XMP data instead
1569             return;
1570         }
1571
1572         // Check for the ASCII code for "Exif" (0x45786966):
1573         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1574             // No Exif data, might be XMP data instead
1575             return;
1576         }
1577         if (tiffOffset + 8 > dataView.byteLength) {
1578             Roo.log('Invalid Exif data: Invalid segment size.');
1579             return;
1580         }
1581         // Check for the two null bytes:
1582         if (dataView.getUint16(offset + 8) !== 0x0000) {
1583             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1584             return;
1585         }
1586         // Check the byte alignment:
1587         switch (dataView.getUint16(tiffOffset)) {
1588         case 0x4949:
1589             littleEndian = true;
1590             break;
1591         case 0x4D4D:
1592             littleEndian = false;
1593             break;
1594         default:
1595             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1596             return;
1597         }
1598         // Check for the TIFF tag marker (0x002A):
1599         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1600             Roo.log('Invalid Exif data: Missing TIFF marker.');
1601             return;
1602         }
1603         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1604         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1605
1606         this.parseExifTags(
1607             dataView,
1608             tiffOffset,
1609             tiffOffset + dirOffset,
1610             littleEndian
1611         );
1612     },
1613
1614     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1615     {
1616         var tagsNumber,
1617             dirEndOffset,
1618             i;
1619         if (dirOffset + 6 > dataView.byteLength) {
1620             Roo.log('Invalid Exif data: Invalid directory offset.');
1621             return;
1622         }
1623         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1624         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1625         if (dirEndOffset + 4 > dataView.byteLength) {
1626             Roo.log('Invalid Exif data: Invalid directory size.');
1627             return;
1628         }
1629         for (i = 0; i < tagsNumber; i += 1) {
1630             this.parseExifTag(
1631                 dataView,
1632                 tiffOffset,
1633                 dirOffset + 2 + 12 * i, // tag offset
1634                 littleEndian
1635             );
1636         }
1637         // Return the offset to the next directory:
1638         return dataView.getUint32(dirEndOffset, littleEndian);
1639     },
1640
1641     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1642     {
1643         var tag = dataView.getUint16(offset, littleEndian);
1644
1645         this.exif[tag] = this.getExifValue(
1646             dataView,
1647             tiffOffset,
1648             offset,
1649             dataView.getUint16(offset + 2, littleEndian), // tag type
1650             dataView.getUint32(offset + 4, littleEndian), // tag length
1651             littleEndian
1652         );
1653     },
1654
1655     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1656     {
1657         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1658             tagSize,
1659             dataOffset,
1660             values,
1661             i,
1662             str,
1663             c;
1664
1665         if (!tagType) {
1666             Roo.log('Invalid Exif data: Invalid tag type.');
1667             return;
1668         }
1669
1670         tagSize = tagType.size * length;
1671         // Determine if the value is contained in the dataOffset bytes,
1672         // or if the value at the dataOffset is a pointer to the actual data:
1673         dataOffset = tagSize > 4 ?
1674                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1675         if (dataOffset + tagSize > dataView.byteLength) {
1676             Roo.log('Invalid Exif data: Invalid data offset.');
1677             return;
1678         }
1679         if (length === 1) {
1680             return tagType.getValue(dataView, dataOffset, littleEndian);
1681         }
1682         values = [];
1683         for (i = 0; i < length; i += 1) {
1684             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1685         }
1686
1687         if (tagType.ascii) {
1688             str = '';
1689             // Concatenate the chars:
1690             for (i = 0; i < values.length; i += 1) {
1691                 c = values[i];
1692                 // Ignore the terminating NULL byte(s):
1693                 if (c === '\u0000') {
1694                     break;
1695                 }
1696                 str += c;
1697             }
1698             return str;
1699         }
1700         return values;
1701     }
1702
1703 });
1704
1705 Roo.apply(Roo.dialog.UploadCropbox, {
1706     tags : {
1707         'Orientation': 0x0112
1708     },
1709
1710     Orientation: {
1711             1: 0, //'top-left',
1712 //            2: 'top-right',
1713             3: 180, //'bottom-right',
1714 //            4: 'bottom-left',
1715 //            5: 'left-top',
1716             6: 90, //'right-top',
1717 //            7: 'right-bottom',
1718             8: 270 //'left-bottom'
1719     },
1720
1721     exifTagTypes : {
1722         // byte, 8-bit unsigned int:
1723         1: {
1724             getValue: function (dataView, dataOffset) {
1725                 return dataView.getUint8(dataOffset);
1726             },
1727             size: 1
1728         },
1729         // ascii, 8-bit byte:
1730         2: {
1731             getValue: function (dataView, dataOffset) {
1732                 return String.fromCharCode(dataView.getUint8(dataOffset));
1733             },
1734             size: 1,
1735             ascii: true
1736         },
1737         // short, 16 bit int:
1738         3: {
1739             getValue: function (dataView, dataOffset, littleEndian) {
1740                 return dataView.getUint16(dataOffset, littleEndian);
1741             },
1742             size: 2
1743         },
1744         // long, 32 bit int:
1745         4: {
1746             getValue: function (dataView, dataOffset, littleEndian) {
1747                 return dataView.getUint32(dataOffset, littleEndian);
1748             },
1749             size: 4
1750         },
1751         // rational = two long values, first is numerator, second is denominator:
1752         5: {
1753             getValue: function (dataView, dataOffset, littleEndian) {
1754                 return dataView.getUint32(dataOffset, littleEndian) /
1755                     dataView.getUint32(dataOffset + 4, littleEndian);
1756             },
1757             size: 8
1758         },
1759         // slong, 32 bit signed int:
1760         9: {
1761             getValue: function (dataView, dataOffset, littleEndian) {
1762                 return dataView.getInt32(dataOffset, littleEndian);
1763             },
1764             size: 4
1765         },
1766         // srational, two slongs, first is numerator, second is denominator:
1767         10: {
1768             getValue: function (dataView, dataOffset, littleEndian) {
1769                 return dataView.getInt32(dataOffset, littleEndian) /
1770                     dataView.getInt32(dataOffset + 4, littleEndian);
1771             },
1772             size: 8
1773         }
1774     },
1775
1776     footer : {
1777         STANDARD : [
1778             {
1779                 tag : 'div',
1780                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1781                 action : 'rotate-left',
1782                 cn : [
1783                     {
1784                         tag : 'button',
1785                         cls : 'btn btn-default',
1786                         html : '<i class="fa fa-undo"></i>'
1787                     }
1788                 ]
1789             },
1790             {
1791                 tag : 'div',
1792                 cls : 'btn-group roo-upload-cropbox-picture',
1793                 action : 'picture',
1794                 cn : [
1795                     {
1796                         tag : 'button',
1797                         cls : 'btn btn-default',
1798                         html : '<i class="fa fa-picture-o"></i>'
1799                     }
1800                 ]
1801             },
1802             {
1803                 tag : 'div',
1804                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1805                 action : 'rotate-right',
1806                 cn : [
1807                     {
1808                         tag : 'button',
1809                         cls : 'btn btn-default',
1810                         html : '<i class="fa fa-repeat"></i>'
1811                     }
1812                 ]
1813             }
1814         ],
1815         DOCUMENT : [
1816             {
1817                 tag : 'div',
1818                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1819                 action : 'rotate-left',
1820                 cn : [
1821                     {
1822                         tag : 'button',
1823                         cls : 'btn btn-default',
1824                         html : '<i class="fa fa-undo"></i>'
1825                     }
1826                 ]
1827             },
1828             {
1829                 tag : 'div',
1830                 cls : 'btn-group roo-upload-cropbox-download',
1831                 action : 'download',
1832                 cn : [
1833                     {
1834                         tag : 'button',
1835                         cls : 'btn btn-default',
1836                         html : '<i class="fa fa-download"></i>'
1837                     }
1838                 ]
1839             },
1840             {
1841                 tag : 'div',
1842                 cls : 'btn-group roo-upload-cropbox-crop',
1843                 action : 'crop',
1844                 cn : [
1845                     {
1846                         tag : 'button',
1847                         cls : 'btn btn-default',
1848                         html : '<i class="fa fa-crop"></i>'
1849                     }
1850                 ]
1851             },
1852             {
1853                 tag : 'div',
1854                 cls : 'btn-group roo-upload-cropbox-trash',
1855                 action : 'trash',
1856                 cn : [
1857                     {
1858                         tag : 'button',
1859                         cls : 'btn btn-default',
1860                         html : '<i class="fa fa-trash"></i>'
1861                     }
1862                 ]
1863             },
1864             {
1865                 tag : 'div',
1866                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1867                 action : 'rotate-right',
1868                 cn : [
1869                     {
1870                         tag : 'button',
1871                         cls : 'btn btn-default',
1872                         html : '<i class="fa fa-repeat"></i>'
1873                     }
1874                 ]
1875             }
1876         ],
1877         ROTATOR : [
1878             {
1879                 tag : 'div',
1880                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1881                 action : 'rotate-left',
1882                 cn : [
1883                     {
1884                         tag : 'button',
1885                         cls : 'btn btn-default',
1886                         html : '<i class="fa fa-undo"></i>'
1887                     }
1888                 ]
1889             },
1890             {
1891                 tag : 'div',
1892                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1893                 action : 'rotate-right',
1894                 cn : [
1895                     {
1896                         tag : 'button',
1897                         cls : 'btn btn-default',
1898                         html : '<i class="fa fa-repeat"></i>'
1899                     }
1900                 ]
1901             }
1902         ],
1903         CENTER : [
1904             {
1905                 tag : 'div',
1906                 cls : 'btn-group roo-upload-cropbox-center',
1907                 action : 'center',
1908                 cn : [
1909                     {
1910                         tag : 'button',
1911                         cls : 'btn btn-default',
1912                         html : 'CENTER'
1913                     }
1914                 ]
1915             }
1916         ]
1917     }
1918 });