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             Roo.log("loadCanvas");
 439             Roo.log(src);
 440             this.imageEl.src = src;
 441         }
 442     },
 443
 444     onLoadCanvas : function()
 445     {
 446         Roo.log("onLoadCanvas");
 447         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 448         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 449
 450         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 451
 452             this.bodyEl.un('click', this.beforeSelectFile, this);
 453
 454             this.notifyEl.hide();
 455             this.thumbEl.show();
 456             this.footerEl.show();
 457
 458             this.baseRotateLevel();
 459
 460             if(this.isDocument){
 461                 this.setThumbBoxSize();
 462             }
 463
 464             this.setThumbBoxPosition();
 465
 466             this.baseScaleLevel();
 467
 468             this.draw();
 469
 470             this.resize();
 471
 472             this.canvasLoaded = true;
 473
 474         }
 475
 476         if(this.loadMask){
 477             this.maskEl.unmask();
 478         }
 479
 480     },
 481
 482     setCanvasPosition : function(center = true)
 483     {
 484         if(!this.canvasEl){
 485             return;
 486         }
 487
 488         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 489         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 490
 491         if(center) {
 492             this.previewEl.setLeft(newCenterLeft);
 493             this.previewEl.setTop(newCenterTop);
 494
 495             return;
 496         }
 497
 498         var oldScaleLevel = this.baseScale * Math.pow(1.02, this.startScale);
 499         var oldCanvasWidth = Math.floor(this.imageEl.OriginWidth * oldScaleLevel);
 500         var oldCanvasHeight = Math.floor(this.imageEl.OriginHeight * oldScaleLevel);
 501
 502         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - oldCanvasWidth) / 2);
 503         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - oldCanvasHeight) / 2);
 504
 505         var leftDiff = newCenterLeft - oldCenterLeft;
 506         var topDiff = newCenterTop - oldCenterTop;
 507
 508         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 509         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 510
 511         this.previewEl.setLeft(newPreviewLeft);
 512         this.previewEl.setTop(newPreviewTop);
 513
 514     },
 515
 516     onMouseDown : function(e)
 517     {
 518         e.stopEvent();
 519
 520         this.dragable = true;
 521         this.pinching = false;
 522
 523         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 524             this.dragable = false;
 525             return;
 526         }
 527
 528         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 529         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 530
 531     },
 532
 533     onMouseMove : function(e)
 534     {
 535         e.stopEvent();
 536
 537         if(!this.canvasLoaded){
 538             return;
 539         }
 540
 541         if (!this.dragable){
 542             return;
 543         }
 544
 545         var maxPaddingLeft = this.canvasEl.width / 0.9 * 0.05;
 546         var maxPaddingTop = maxPaddingLeft * this.minHeight / this.minWidth;
 547
 548         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 549             maxPaddingLeft = (this.canvasEl.height * this.minWidth / this.minHeight - this.canvasEl.width) / 2 + maxPaddingLeft;
 550         }
 551
 552         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 553             maxPaddingTop = (this.canvasEl.width * this.minHeight / this.minWidth - this.canvasEl.height) / 2 + maxPaddingTop;
 554         }
 555
 556         var minX = Math.ceil(this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - this.canvasEl.width - maxPaddingLeft);
 557         var minY = Math.ceil(this.thumbEl.getTop(true) + this.thumbEl.getHeight() - this.canvasEl.height - maxPaddingTop);
 558
 559         var maxX = Math.ceil(this.thumbEl.getLeft(true) + maxPaddingLeft);
 560         var maxY = Math.ceil(this.thumbEl.getTop(true) +  maxPaddingTop);
 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 / 0.9 * 0.05;
 655         var maxPaddingTop = maxPaddingLeft * this.minHeight / this.minWidth;
 656
 657         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 658             maxPaddingLeft = (newCanvasHeight * this.minWidth / this.minHeight - newCanvasWidth) / 2 + maxPaddingLeft;
 659         }
 660
 661         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 662             maxPaddingTop = (newCanvasWidth * this.minHeight / this.minWidth - newCanvasHeight) / 2 + maxPaddingTop;
 663         }
 664
 665         if(
 666                 this.isDocument &&
 667                 (this.rotate == 0 || this.rotate == 180) &&
 668                 (
 669                     width > this.imageEl.OriginWidth ||
 670                     height > this.imageEl.OriginHeight ||
 671                     (width < this.minWidth && height < this.minHeight)
 672                 )
 673         ){
 674             return false;
 675         }
 676
 677         if(
 678                 this.isDocument &&
 679                 (this.rotate == 90 || this.rotate == 270) &&
 680                 (
 681                     width > this.imageEl.OriginWidth ||
 682                     height > this.imageEl.OriginHeight ||
 683                     (width < this.minHeight && height < this.minWidth)
 684                 )
 685         ){
 686             return false;
 687         }
 688
 689         if(
 690                 !this.isDocument &&
 691                 (this.rotate == 0 || this.rotate == 180) &&
 692                 (
 693                     // for zoom out
 694                     paddingLeft > maxPaddingLeft ||
 695                     paddingRight > maxPaddingLeft ||
 696                     paddingTop > maxPaddingTop ||
 697                     paddingBottom > maxPaddingTop ||
 698                     // for zoom in
 699                     width > maxWidth ||
 700                     height > maxHeight
 701                 )
 702         ){
 703             return false;
 704         }
 705
 706         if(
 707                 !this.isDocument &&
 708                 (this.rotate == 90 || this.rotate == 270) &&
 709                 (
 710                     width < this.minHeight ||
 711                     width > this.imageEl.OriginWidth ||
 712                     height < this.minWidth ||
 713                     height > this.imageEl.OriginHeight
 714                 )
 715         ){
 716             return false;
 717         }
 718
 719         return true;
 720
 721     },
 722
 723     onRotateLeft : function(e)
 724     {
 725         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 726
 727             var minScale = this.thumbEl.getWidth() / this.minWidth;
 728
 729             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 730             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 731
 732             this.startScale = this.scale;
 733
 734             while (this.getScaleLevel() < minScale){
 735
 736                 this.scale = this.scale + 1;
 737
 738                 if(!this.zoomable()){
 739                     break;
 740                 }
 741
 742                 if(
 743                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 744                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 745                 ){
 746                     continue;
 747                 }
 748
 749                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 750
 751                 this.draw();
 752
 753                 return;
 754             }
 755
 756             this.scale = this.startScale;
 757
 758             this.onRotateFail();
 759
 760             return false;
 761         }
 762
 763         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 764
 765         if(this.isDocument){
 766             this.setThumbBoxSize();
 767             this.setThumbBoxPosition();
 768             this.setCanvasPosition();
 769         }
 770
 771         this.draw();
 772
 773         this.fireEvent('rotate', this, 'left');
 774
 775     },
 776
 777     onRotateRight : function(e)
 778     {
 779         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 780
 781             var minScale = this.thumbEl.getWidth() / this.minWidth;
 782
 783             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 784             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 785
 786             this.startScale = this.scale;
 787
 788             while (this.getScaleLevel() < minScale){
 789
 790                 this.scale = this.scale + 1;
 791
 792                 if(!this.zoomable()){
 793                     break;
 794                 }
 795
 796                 if(
 797                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 798                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 799                 ){
 800                     continue;
 801                 }
 802
 803                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 804
 805                 this.draw();
 806
 807                 return;
 808             }
 809
 810             this.scale = this.startScale;
 811
 812             this.onRotateFail();
 813
 814             return false;
 815         }
 816
 817         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 818
 819         if(this.isDocument){
 820             this.setThumbBoxSize();
 821             this.setThumbBoxPosition();
 822             this.setCanvasPosition();
 823         }
 824
 825         this.draw();
 826
 827         this.fireEvent('rotate', this, 'right');
 828     },
 829
 830     onRotateFail : function()
 831     {
 832         this.errorEl.show(true);
 833
 834         var _this = this;
 835
 836         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 837     },
 838
 839     draw : function()
 840     {
 841         this.previewEl.dom.innerHTML = '';
 842
 843         var canvasEl = document.createElement("canvas");
 844
 845         var contextEl = canvasEl.getContext("2d");
 846
 847         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 848         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 849         var center = this.imageEl.OriginWidth / 2;
 850
 851         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 852             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 853             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 854             center = this.imageEl.OriginHeight / 2;
 855         }
 856
 857         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 858
 859         contextEl.translate(center, center);
 860         contextEl.rotate(this.rotate * Math.PI / 180);
 861
 862         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 863
 864         this.canvasEl = document.createElement("canvas");
 865
 866         this.contextEl = this.canvasEl.getContext("2d");
 867
 868         switch (this.rotate) {
 869             case 0 :
 870
 871                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 872                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 873
 874                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 875
 876                 break;
 877             case 90 :
 878
 879                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 880                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 881
 882                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 883                     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);
 884                     break;
 885                 }
 886
 887                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 888
 889                 break;
 890             case 180 :
 891
 892                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 893                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 894
 895                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 896                     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);
 897                     break;
 898                 }
 899
 900                 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);
 901
 902                 break;
 903             case 270 :
 904
 905                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 906                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 907
 908                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 909                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 910                     break;
 911                 }
 912
 913                 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);
 914
 915                 break;
 916             default :
 917                 break;
 918         }
 919
 920         this.previewEl.appendChild(this.canvasEl);
 921
 922         this.setCanvasPosition(false);
 923     },
 924
 925     crop : function()
 926     {
 927         if(!this.canvasLoaded){
 928             return;
 929         }
 930
 931         var imageCanvas = document.createElement("canvas");
 932
 933         var imageContext = imageCanvas.getContext("2d");
 934
 935         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 936         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 937
 938         var center = imageCanvas.width / 2;
 939
 940         imageContext.translate(center, center);
 941
 942         imageContext.rotate(this.rotate * Math.PI / 180);
 943
 944         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 945
 946         var canvas = document.createElement("canvas");
 947
 948         var context = canvas.getContext("2d");
 949
 950         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 951
 952         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 953
 954         switch (this.rotate) {
 955             case 0 :
 956
 957                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 958                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 959
 960                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 961                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 962
 963                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
 964                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
 965
 966                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 967                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 968
 969                 if(canvas.width > this.outputMaxWidth) {
 970                     var scale = this.outputMaxWidth / canvas.width;
 971                     canvas.width = canvas.width * scale;
 972                     canvas.height = canvas.height * scale;
 973                     context.scale(scale, scale);
 974                 }
 975
 976                 context.fillStyle = 'white';
 977                 context.fillRect(0, 0, this.thumbEl.getWidth() / this.getScaleLevel(), this.thumbEl.getHeight() / this.getScaleLevel());
 978
 979
 980                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 981
 982                 break;
 983             case 90 :
 984
 985                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 986                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 987
 988                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 989                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 990
 991                 var targetWidth = this.minWidth - 2 * x;
 992                 var targetHeight = this.minHeight - 2 * y;
 993
 994                 var scale = 1;
 995
 996                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
 997                     scale = targetWidth / width;
 998                 }
 999
1000                 if(x > 0 && y == 0){
1001                     scale = targetHeight / height;
1002                 }
1003
1004                 if(x > 0 && y > 0){
1005                     scale = targetWidth / width;
1006
1007                     if(width < height){
1008                         scale = targetHeight / height;
1009                     }
1010                 }
1011
1012                 context.scale(scale, scale);
1013
1014                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1015                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1016
1017                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1018                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1019
1020                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1021
1022                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1023
1024                 break;
1025             case 180 :
1026
1027                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
1028                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
1029
1030                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1031                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1032
1033                 var targetWidth = this.minWidth - 2 * x;
1034                 var targetHeight = this.minHeight - 2 * y;
1035
1036                 var scale = 1;
1037
1038                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1039                     scale = targetWidth / width;
1040                 }
1041
1042                 if(x > 0 && y == 0){
1043                     scale = targetHeight / height;
1044                 }
1045
1046                 if(x > 0 && y > 0){
1047                     scale = targetWidth / width;
1048
1049                     if(width < height){
1050                         scale = targetHeight / height;
1051                     }
1052                 }
1053
1054                 context.scale(scale, scale);
1055
1056                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1057                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1058
1059                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1060                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1061
1062                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1063                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1064
1065                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1066
1067                 break;
1068             case 270 :
1069
1070                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1071                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1072
1073                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1074                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1075
1076                 var targetWidth = this.minWidth - 2 * x;
1077                 var targetHeight = this.minHeight - 2 * y;
1078
1079                 var scale = 1;
1080
1081                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1082                     scale = targetWidth / width;
1083                 }
1084
1085                 if(x > 0 && y == 0){
1086                     scale = targetHeight / height;
1087                 }
1088
1089                 if(x > 0 && y > 0){
1090                     scale = targetWidth / width;
1091
1092                     if(width < height){
1093                         scale = targetHeight / height;
1094                     }
1095                 }
1096
1097                 context.scale(scale, scale);
1098                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1099                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1100
1101                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1102                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1103
1104                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1105
1106                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1107
1108                 break;
1109             default :
1110                 break;
1111         }
1112
1113         this.cropData = canvas.toDataURL(this.cropType);
1114
1115         if(this.fireEvent('crop', this, this.cropData) !== false){
1116             this.process(this.file, this.cropData);
1117         }
1118
1119         return;
1120
1121     },
1122
1123     setThumbBoxSize : function()
1124     {
1125         var width, height;
1126
1127         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1128             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1129             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1130
1131             this.minWidth = width;
1132             this.minHeight = height;
1133
1134             if(this.rotate == 90 || this.rotate == 270){
1135                 this.minWidth = height;
1136                 this.minHeight = width;
1137             }
1138         }
1139
1140         height = this.windowSize;
1141         width = Math.ceil(this.minWidth * height / this.minHeight);
1142
1143         if(this.minWidth > this.minHeight){
1144             width = this.windowSize;
1145             height = Math.ceil(this.minHeight * width / this.minWidth);
1146         }
1147
1148         this.thumbEl.setStyle({
1149             width : width + 'px',
1150             height : height + 'px'
1151         });
1152
1153         return;
1154
1155     },
1156
1157     setThumbBoxPosition : function()
1158     {
1159         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1160         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1161
1162         this.thumbEl.setLeft(x);
1163         this.thumbEl.setTop(y);
1164
1165     },
1166
1167     baseRotateLevel : function()
1168     {
1169         this.baseRotate = 1;
1170
1171         if(
1172                 typeof(this.exif) != 'undefined' &&
1173                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1174                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1175         ){
1176             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1177         }
1178
1179         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1180
1181     },
1182
1183     baseScaleLevel : function()
1184     {
1185         var width, height;
1186
1187         if(this.isDocument){
1188
1189             if(this.baseRotate == 6 || this.baseRotate == 8){
1190
1191                 height = this.thumbEl.getHeight();
1192                 this.baseScale = height / this.imageEl.OriginWidth;
1193
1194                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1195                     width = this.thumbEl.getWidth();
1196                     this.baseScale = width / this.imageEl.OriginHeight;
1197                 }
1198
1199                 return;
1200             }
1201
1202             height = this.thumbEl.getHeight();
1203             this.baseScale = height / this.imageEl.OriginHeight;
1204
1205             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1206                 width = this.thumbEl.getWidth();
1207                 this.baseScale = width / this.imageEl.OriginWidth;
1208             }
1209
1210             return;
1211         }
1212
1213         if(this.baseRotate == 6 || this.baseRotate == 8){
1214
1215             width = this.thumbEl.getHeight();
1216             this.baseScale = width / this.imageEl.OriginHeight;
1217
1218             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1219                 height = this.thumbEl.getWidth();
1220                 this.baseScale = height / this.imageEl.OriginHeight;
1221             }
1222
1223             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1224                 height = this.thumbEl.getWidth();
1225                 this.baseScale = height / this.imageEl.OriginHeight;
1226
1227                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1228                     width = this.thumbEl.getHeight();
1229                     this.baseScale = width / this.imageEl.OriginWidth;
1230                 }
1231             }
1232
1233             return;
1234         }
1235
1236         width = this.thumbEl.getWidth();
1237         this.baseScale = width / this.imageEl.OriginWidth;
1238
1239         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1240             height = this.thumbEl.getHeight();
1241             this.baseScale = height / this.imageEl.OriginHeight;
1242         }
1243
1244         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1245
1246             height = this.thumbEl.getHeight();
1247             this.baseScale = height / this.imageEl.OriginHeight;
1248
1249             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1250                 width = this.thumbEl.getWidth();
1251                 this.baseScale = width / this.imageEl.OriginWidth;
1252             }
1253
1254         }
1255
1256         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1257             this.baseScale = width / this.minWidth;
1258         }
1259
1260         return;
1261     },
1262
1263     getScaleLevel : function()
1264     {
1265         return this.baseScale * Math.pow(1.02, this.scale);
1266     },
1267
1268     onTouchStart : function(e)
1269     {
1270         if(!this.canvasLoaded){
1271             this.beforeSelectFile(e);
1272             return;
1273         }
1274
1275         var touches = e.browserEvent.touches;
1276
1277         if(!touches){
1278             return;
1279         }
1280
1281         if(touches.length == 1){
1282             this.onMouseDown(e);
1283             return;
1284         }
1285
1286         if(touches.length != 2){
1287             return;
1288         }
1289
1290         var coords = [];
1291
1292         for(var i = 0, finger; finger = touches[i]; i++){
1293             coords.push(finger.pageX, finger.pageY);
1294         }
1295
1296         var x = Math.pow(coords[0] - coords[2], 2);
1297         var y = Math.pow(coords[1] - coords[3], 2);
1298
1299         this.startDistance = Math.sqrt(x + y);
1300
1301         this.startScale = this.scale;
1302
1303         this.pinching = true;
1304         this.dragable = false;
1305
1306     },
1307
1308     onTouchMove : function(e)
1309     {
1310         if(!this.pinching && !this.dragable){
1311             return;
1312         }
1313
1314         var touches = e.browserEvent.touches;
1315
1316         if(!touches){
1317             return;
1318         }
1319
1320         if(this.dragable){
1321             this.onMouseMove(e);
1322             return;
1323         }
1324
1325         var coords = [];
1326
1327         for(var i = 0, finger; finger = touches[i]; i++){
1328             coords.push(finger.pageX, finger.pageY);
1329         }
1330
1331         var x = Math.pow(coords[0] - coords[2], 2);
1332         var y = Math.pow(coords[1] - coords[3], 2);
1333
1334         this.endDistance = Math.sqrt(x + y);
1335
1336         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1337
1338         if(!this.zoomable()){
1339             this.scale = this.startScale;
1340             return;
1341         }
1342
1343         this.draw();
1344
1345     },
1346
1347     onTouchEnd : function(e)
1348     {
1349         this.pinching = false;
1350         this.dragable = false;
1351
1352     },
1353
1354     process : function(file, crop)
1355     {
1356         if(this.loadMask){
1357             this.maskEl.mask(this.loadingText);
1358         }
1359
1360         this.xhr = new XMLHttpRequest();
1361
1362         file.xhr = this.xhr;
1363
1364         this.xhr.open(this.method, this.url, true);
1365
1366         var headers = {
1367             "Accept": "application/json",
1368             "Cache-Control": "no-cache",
1369             "X-Requested-With": "XMLHttpRequest"
1370         };
1371
1372         for (var headerName in headers) {
1373             var headerValue = headers[headerName];
1374             if (headerValue) {
1375                 this.xhr.setRequestHeader(headerName, headerValue);
1376             }
1377         }
1378
1379         var _this = this;
1380
1381         this.xhr.onload = function()
1382         {
1383             _this.xhrOnLoad(_this.xhr);
1384         }
1385
1386         this.xhr.onerror = function()
1387         {
1388             _this.xhrOnError(_this.xhr);
1389         }
1390
1391         var formData = new FormData();
1392
1393         formData.append('returnHTML', 'NO');
1394
1395         if(crop){
1396             formData.append('crop', crop);
1397             var blobBin = atob(crop.split(',')[1]);
1398             var array = [];
1399             for(var i = 0; i < blobBin.length; i++) {
1400                 array.push(blobBin.charCodeAt(i));
1401             }
1402             var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1403             formData.append(this.paramName, croppedFile, file.name);
1404         }
1405
1406         if(typeof(file.filename) != 'undefined'){
1407             formData.append('filename', file.filename);
1408         }
1409
1410         if(typeof(file.mimetype) != 'undefined'){
1411             formData.append('mimetype', file.mimetype);
1412         }
1413
1414         if(this.fireEvent('arrange', this, formData) != false){
1415             this.xhr.send(formData);
1416         };
1417     },
1418
1419     xhrOnLoad : function(xhr)
1420     {
1421         if(this.loadMask){
1422             this.maskEl.unmask();
1423         }
1424
1425         if (xhr.readyState !== 4) {
1426             this.fireEvent('exception', this, xhr);
1427             return;
1428         }
1429
1430         var response = Roo.decode(xhr.responseText);
1431
1432         if(!response.success){
1433             this.fireEvent('exception', this, xhr);
1434             return;
1435         }
1436
1437         var response = Roo.decode(xhr.responseText);
1438
1439         this.fireEvent('upload', this, response);
1440
1441     },
1442
1443     xhrOnError : function()
1444     {
1445         if(this.loadMask){
1446             this.maskEl.unmask();
1447         }
1448
1449         Roo.log('xhr on error');
1450
1451         var response = Roo.decode(xhr.responseText);
1452
1453         Roo.log(response);
1454
1455     },
1456
1457     prepare : function(file)
1458     {
1459         if(this.loadMask){
1460             this.maskEl.mask(this.loadingText);
1461         }
1462
1463         this.file = false;
1464         this.exif = {};
1465
1466         if(typeof(file) === 'string'){
1467             this.loadCanvas(file);
1468             return;
1469         }
1470
1471         if(!file || !this.urlAPI){
1472             return;
1473         }
1474
1475         this.file = file;
1476         if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1477             this.cropType = file.type;
1478         }
1479
1480         var _this = this;
1481
1482         if(this.fireEvent('prepare', this, this.file) != false){
1483
1484             var reader = new FileReader();
1485
1486             reader.onload = function (e) {
1487                 if (e.target.error) {
1488                     Roo.log(e.target.error);
1489                     return;
1490                 }
1491
1492                 var buffer = e.target.result,
1493                     dataView = new DataView(buffer),
1494                     offset = 2,
1495                     maxOffset = dataView.byteLength - 4,
1496                     markerBytes,
1497                     markerLength;
1498
1499                 if (dataView.getUint16(0) === 0xffd8) {
1500                     while (offset < maxOffset) {
1501                         markerBytes = dataView.getUint16(offset);
1502
1503                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1504                             markerLength = dataView.getUint16(offset + 2) + 2;
1505                             if (offset + markerLength > dataView.byteLength) {
1506                                 Roo.log('Invalid meta data: Invalid segment size.');
1507                                 break;
1508                             }
1509
1510                             if(markerBytes == 0xffe1){
1511                                 _this.parseExifData(
1512                                     dataView,
1513                                     offset,
1514                                     markerLength
1515                                 );
1516                             }
1517
1518                             offset += markerLength;
1519
1520                             continue;
1521                         }
1522
1523                         break;
1524                     }
1525
1526                 }
1527
1528                 var url = _this.urlAPI.createObjectURL(_this.file);
1529
1530                 Roo.log(url);
1531
1532                 _this.loadCanvas(url);
1533
1534                 return;
1535             }
1536
1537             reader.readAsArrayBuffer(this.file);
1538
1539         }
1540
1541     },
1542
1543     parseExifData : function(dataView, offset, length)
1544     {
1545         var tiffOffset = offset + 10,
1546             littleEndian,
1547             dirOffset;
1548
1549         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1550             // No Exif data, might be XMP data instead
1551             return;
1552         }
1553
1554         // Check for the ASCII code for "Exif" (0x45786966):
1555         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1556             // No Exif data, might be XMP data instead
1557             return;
1558         }
1559         if (tiffOffset + 8 > dataView.byteLength) {
1560             Roo.log('Invalid Exif data: Invalid segment size.');
1561             return;
1562         }
1563         // Check for the two null bytes:
1564         if (dataView.getUint16(offset + 8) !== 0x0000) {
1565             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1566             return;
1567         }
1568         // Check the byte alignment:
1569         switch (dataView.getUint16(tiffOffset)) {
1570         case 0x4949:
1571             littleEndian = true;
1572             break;
1573         case 0x4D4D:
1574             littleEndian = false;
1575             break;
1576         default:
1577             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1578             return;
1579         }
1580         // Check for the TIFF tag marker (0x002A):
1581         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1582             Roo.log('Invalid Exif data: Missing TIFF marker.');
1583             return;
1584         }
1585         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1586         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1587
1588         this.parseExifTags(
1589             dataView,
1590             tiffOffset,
1591             tiffOffset + dirOffset,
1592             littleEndian
1593         );
1594     },
1595
1596     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1597     {
1598         var tagsNumber,
1599             dirEndOffset,
1600             i;
1601         if (dirOffset + 6 > dataView.byteLength) {
1602             Roo.log('Invalid Exif data: Invalid directory offset.');
1603             return;
1604         }
1605         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1606         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1607         if (dirEndOffset + 4 > dataView.byteLength) {
1608             Roo.log('Invalid Exif data: Invalid directory size.');
1609             return;
1610         }
1611         for (i = 0; i < tagsNumber; i += 1) {
1612             this.parseExifTag(
1613                 dataView,
1614                 tiffOffset,
1615                 dirOffset + 2 + 12 * i, // tag offset
1616                 littleEndian
1617             );
1618         }
1619         // Return the offset to the next directory:
1620         return dataView.getUint32(dirEndOffset, littleEndian);
1621     },
1622
1623     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1624     {
1625         var tag = dataView.getUint16(offset, littleEndian);
1626
1627         this.exif[tag] = this.getExifValue(
1628             dataView,
1629             tiffOffset,
1630             offset,
1631             dataView.getUint16(offset + 2, littleEndian), // tag type
1632             dataView.getUint32(offset + 4, littleEndian), // tag length
1633             littleEndian
1634         );
1635     },
1636
1637     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1638     {
1639         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1640             tagSize,
1641             dataOffset,
1642             values,
1643             i,
1644             str,
1645             c;
1646
1647         if (!tagType) {
1648             Roo.log('Invalid Exif data: Invalid tag type.');
1649             return;
1650         }
1651
1652         tagSize = tagType.size * length;
1653         // Determine if the value is contained in the dataOffset bytes,
1654         // or if the value at the dataOffset is a pointer to the actual data:
1655         dataOffset = tagSize > 4 ?
1656                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1657         if (dataOffset + tagSize > dataView.byteLength) {
1658             Roo.log('Invalid Exif data: Invalid data offset.');
1659             return;
1660         }
1661         if (length === 1) {
1662             return tagType.getValue(dataView, dataOffset, littleEndian);
1663         }
1664         values = [];
1665         for (i = 0; i < length; i += 1) {
1666             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1667         }
1668
1669         if (tagType.ascii) {
1670             str = '';
1671             // Concatenate the chars:
1672             for (i = 0; i < values.length; i += 1) {
1673                 c = values[i];
1674                 // Ignore the terminating NULL byte(s):
1675                 if (c === '\u0000') {
1676                     break;
1677                 }
1678                 str += c;
1679             }
1680             return str;
1681         }
1682         return values;
1683     }
1684
1685 });
1686
1687 Roo.apply(Roo.dialog.UploadCropbox, {
1688     tags : {
1689         'Orientation': 0x0112
1690     },
1691
1692     Orientation: {
1693             1: 0, //'top-left',
1694 //            2: 'top-right',
1695             3: 180, //'bottom-right',
1696 //            4: 'bottom-left',
1697 //            5: 'left-top',
1698             6: 90, //'right-top',
1699 //            7: 'right-bottom',
1700             8: 270 //'left-bottom'
1701     },
1702
1703     exifTagTypes : {
1704         // byte, 8-bit unsigned int:
1705         1: {
1706             getValue: function (dataView, dataOffset) {
1707                 return dataView.getUint8(dataOffset);
1708             },
1709             size: 1
1710         },
1711         // ascii, 8-bit byte:
1712         2: {
1713             getValue: function (dataView, dataOffset) {
1714                 return String.fromCharCode(dataView.getUint8(dataOffset));
1715             },
1716             size: 1,
1717             ascii: true
1718         },
1719         // short, 16 bit int:
1720         3: {
1721             getValue: function (dataView, dataOffset, littleEndian) {
1722                 return dataView.getUint16(dataOffset, littleEndian);
1723             },
1724             size: 2
1725         },
1726         // long, 32 bit int:
1727         4: {
1728             getValue: function (dataView, dataOffset, littleEndian) {
1729                 return dataView.getUint32(dataOffset, littleEndian);
1730             },
1731             size: 4
1732         },
1733         // rational = two long values, first is numerator, second is denominator:
1734         5: {
1735             getValue: function (dataView, dataOffset, littleEndian) {
1736                 return dataView.getUint32(dataOffset, littleEndian) /
1737                     dataView.getUint32(dataOffset + 4, littleEndian);
1738             },
1739             size: 8
1740         },
1741         // slong, 32 bit signed int:
1742         9: {
1743             getValue: function (dataView, dataOffset, littleEndian) {
1744                 return dataView.getInt32(dataOffset, littleEndian);
1745             },
1746             size: 4
1747         },
1748         // srational, two slongs, first is numerator, second is denominator:
1749         10: {
1750             getValue: function (dataView, dataOffset, littleEndian) {
1751                 return dataView.getInt32(dataOffset, littleEndian) /
1752                     dataView.getInt32(dataOffset + 4, littleEndian);
1753             },
1754             size: 8
1755         }
1756     },
1757
1758     footer : {
1759         STANDARD : [
1760             {
1761                 tag : 'div',
1762                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1763                 action : 'rotate-left',
1764                 cn : [
1765                     {
1766                         tag : 'button',
1767                         cls : 'btn btn-default',
1768                         html : '<i class="fa fa-undo"></i>'
1769                     }
1770                 ]
1771             },
1772             {
1773                 tag : 'div',
1774                 cls : 'btn-group roo-upload-cropbox-picture',
1775                 action : 'picture',
1776                 cn : [
1777                     {
1778                         tag : 'button',
1779                         cls : 'btn btn-default',
1780                         html : '<i class="fa fa-picture-o"></i>'
1781                     }
1782                 ]
1783             },
1784             {
1785                 tag : 'div',
1786                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1787                 action : 'rotate-right',
1788                 cn : [
1789                     {
1790                         tag : 'button',
1791                         cls : 'btn btn-default',
1792                         html : '<i class="fa fa-repeat"></i>'
1793                     }
1794                 ]
1795             }
1796         ],
1797         DOCUMENT : [
1798             {
1799                 tag : 'div',
1800                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1801                 action : 'rotate-left',
1802                 cn : [
1803                     {
1804                         tag : 'button',
1805                         cls : 'btn btn-default',
1806                         html : '<i class="fa fa-undo"></i>'
1807                     }
1808                 ]
1809             },
1810             {
1811                 tag : 'div',
1812                 cls : 'btn-group roo-upload-cropbox-download',
1813                 action : 'download',
1814                 cn : [
1815                     {
1816                         tag : 'button',
1817                         cls : 'btn btn-default',
1818                         html : '<i class="fa fa-download"></i>'
1819                     }
1820                 ]
1821             },
1822             {
1823                 tag : 'div',
1824                 cls : 'btn-group roo-upload-cropbox-crop',
1825                 action : 'crop',
1826                 cn : [
1827                     {
1828                         tag : 'button',
1829                         cls : 'btn btn-default',
1830                         html : '<i class="fa fa-crop"></i>'
1831                     }
1832                 ]
1833             },
1834             {
1835                 tag : 'div',
1836                 cls : 'btn-group roo-upload-cropbox-trash',
1837                 action : 'trash',
1838                 cn : [
1839                     {
1840                         tag : 'button',
1841                         cls : 'btn btn-default',
1842                         html : '<i class="fa fa-trash"></i>'
1843                     }
1844                 ]
1845             },
1846             {
1847                 tag : 'div',
1848                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1849                 action : 'rotate-right',
1850                 cn : [
1851                     {
1852                         tag : 'button',
1853                         cls : 'btn btn-default',
1854                         html : '<i class="fa fa-repeat"></i>'
1855                     }
1856                 ]
1857             }
1858         ],
1859         ROTATOR : [
1860             {
1861                 tag : 'div',
1862                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1863                 action : 'rotate-left',
1864                 cn : [
1865                     {
1866                         tag : 'button',
1867                         cls : 'btn btn-default',
1868                         html : '<i class="fa fa-undo"></i>'
1869                     }
1870                 ]
1871             },
1872             {
1873                 tag : 'div',
1874                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1875                 action : 'rotate-right',
1876                 cn : [
1877                     {
1878                         tag : 'button',
1879                         cls : 'btn btn-default',
1880                         html : '<i class="fa fa-repeat"></i>'
1881                     }
1882                 ]
1883             }
1884         ],
1885         CENTER : [
1886             {
1887                 tag : 'div',
1888                 cls : 'btn-group roo-upload-cropbox-center',
1889                 action : 'center',
1890                 cn : [
1891                     {
1892                         tag : 'button',
1893                         cls : 'btn btn-default',
1894                         html : 'CENTER'
1895                     }
1896                 ]
1897             }
1898         ]
1899     }
1900 });