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         console.log("-------------");
 509
 510         // console.log("old canvas width: " + oldCanvasWidth);
 511         // console.log("old canvas height: " + oldCanvasHeight);
 512
 513         // console.log("new canvas width: " + this.canvasEl.width);
 514         // console.log("new canvas height: " + this.canvasEl.height);
 515
 516         // console.log("old preview left: " + this.previewEl.getLeft(true));
 517         // console.log("old preview top: " + this.previewEl.getTop(true));
 518
 519         // console.log("new preview left: " + newPreviewLeft);
 520         // console.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 * 0.05;
 655         var maxPaddingTop = newCanvasHeight * 0.05;
 656
 657         console.log("=================================");
 658         console.log("old canvas width: " + this.canvasEl.width);
 659         console.log("old canvas height: " + this.canvasEl.height);
 660
 661         console.log("new canvas width: " + newCanvasWidth);
 662         console.log("new canvas height: " + newCanvasHeight);
 663
 664         console.log("old preview left: " + this.previewEl.getLeft(true));
 665         console.log("old preview top: " + this.previewEl.getTop(true));
 666
 667         console.log("new preview left: " + newPreviewLeft);
 668         console.log("new preview top: " + newPreviewTop);
 669
 670         console.log("padding left: " + paddingLeft);
 671         console.log("padding top: " + paddingTop);
 672
 673         console.log("padding right: " + paddingRight);
 674         console.log("padding bottom: " + paddingBottom);
 675
 676         console.log("max padding left: " + maxPaddingLeft);
 677         console.log("max padding top: " + maxPaddingTop);
 678
 679         if(
 680                 this.isDocument &&
 681                 (this.rotate == 0 || this.rotate == 180) &&
 682                 (
 683                     width > this.imageEl.OriginWidth ||
 684                     height > this.imageEl.OriginHeight ||
 685                     (width < this.minWidth && height < this.minHeight)
 686                 )
 687         ){
 688             return false;
 689         }
 690
 691         if(
 692                 this.isDocument &&
 693                 (this.rotate == 90 || this.rotate == 270) &&
 694                 (
 695                     width > this.imageEl.OriginWidth ||
 696                     height > this.imageEl.OriginHeight ||
 697                     (width < this.minHeight && height < this.minWidth)
 698                 )
 699         ){
 700             return false;
 701         }
 702
 703         if(
 704                 !this.isDocument &&
 705                 (this.rotate == 0 || this.rotate == 180) &&
 706                 (
 707                     (this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight) && paddingLeft > maxPaddingLeft ||
 708                     (this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight) && paddingRight > maxPaddingLeft ||
 709                     (this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight) && paddingTop > maxPaddingTop ||
 710                     (this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight) && paddingBottom > maxPaddingTop ||
 711                     width > maxWidth ||
 712                     height > maxHeight
 713                 )
 714         ){
 715             return false;
 716         }
 717
 718         if(
 719                 !this.isDocument &&
 720                 (this.rotate == 90 || this.rotate == 270) &&
 721                 (
 722                     width < this.minHeight ||
 723                     width > this.imageEl.OriginWidth ||
 724                     height < this.minWidth ||
 725                     height > this.imageEl.OriginHeight
 726                 )
 727         ){
 728             return false;
 729         }
 730
 731         return true;
 732
 733     },
 734
 735     onRotateLeft : function(e)
 736     {
 737         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 738
 739             var minScale = this.thumbEl.getWidth() / this.minWidth;
 740
 741             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 742             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 743
 744             this.startScale = this.scale;
 745
 746             while (this.getScaleLevel() < minScale){
 747
 748                 this.scale = this.scale + 1;
 749
 750                 if(!this.zoomable()){
 751                     break;
 752                 }
 753
 754                 if(
 755                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 756                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 757                 ){
 758                     continue;
 759                 }
 760
 761                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 762
 763                 this.draw();
 764
 765                 return;
 766             }
 767
 768             this.scale = this.startScale;
 769
 770             this.onRotateFail();
 771
 772             return false;
 773         }
 774
 775         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 776
 777         if(this.isDocument){
 778             this.setThumbBoxSize();
 779             this.setThumbBoxPosition();
 780             this.setCanvasPosition();
 781         }
 782
 783         this.draw();
 784
 785         this.fireEvent('rotate', this, 'left');
 786
 787     },
 788
 789     onRotateRight : function(e)
 790     {
 791         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 792
 793             var minScale = this.thumbEl.getWidth() / this.minWidth;
 794
 795             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 796             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 797
 798             this.startScale = this.scale;
 799
 800             while (this.getScaleLevel() < minScale){
 801
 802                 this.scale = this.scale + 1;
 803
 804                 if(!this.zoomable()){
 805                     break;
 806                 }
 807
 808                 if(
 809                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 810                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 811                 ){
 812                     continue;
 813                 }
 814
 815                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 816
 817                 this.draw();
 818
 819                 return;
 820             }
 821
 822             this.scale = this.startScale;
 823
 824             this.onRotateFail();
 825
 826             return false;
 827         }
 828
 829         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 830
 831         if(this.isDocument){
 832             this.setThumbBoxSize();
 833             this.setThumbBoxPosition();
 834             this.setCanvasPosition();
 835         }
 836
 837         this.draw();
 838
 839         this.fireEvent('rotate', this, 'right');
 840     },
 841
 842     onRotateFail : function()
 843     {
 844         this.errorEl.show(true);
 845
 846         var _this = this;
 847
 848         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 849     },
 850
 851     draw : function()
 852     {
 853         this.previewEl.dom.innerHTML = '';
 854
 855         var canvasEl = document.createElement("canvas");
 856
 857         var contextEl = canvasEl.getContext("2d");
 858
 859         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 860         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 861         var center = this.imageEl.OriginWidth / 2;
 862
 863         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 864             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 865             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 866             center = this.imageEl.OriginHeight / 2;
 867         }
 868
 869         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 870
 871         contextEl.translate(center, center);
 872         contextEl.rotate(this.rotate * Math.PI / 180);
 873
 874         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 875
 876         this.canvasEl = document.createElement("canvas");
 877
 878         this.contextEl = this.canvasEl.getContext("2d");
 879
 880         switch (this.rotate) {
 881             case 0 :
 882
 883                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 884                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 885
 886                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 887
 888                 break;
 889             case 90 :
 890
 891                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 892                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 893
 894                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 895                     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);
 896                     break;
 897                 }
 898
 899                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 900
 901                 break;
 902             case 180 :
 903
 904                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 905                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 906
 907                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 908                     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);
 909                     break;
 910                 }
 911
 912                 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);
 913
 914                 break;
 915             case 270 :
 916
 917                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 918                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 919
 920                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 921                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 922                     break;
 923                 }
 924
 925                 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);
 926
 927                 break;
 928             default :
 929                 break;
 930         }
 931
 932         this.previewEl.appendChild(this.canvasEl);
 933
 934         this.setCanvasPosition(false);
 935     },
 936
 937     crop : function()
 938     {
 939         if(!this.canvasLoaded){
 940             return;
 941         }
 942
 943         var imageCanvas = document.createElement("canvas");
 944
 945         var imageContext = imageCanvas.getContext("2d");
 946
 947         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 948         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 949
 950         var center = imageCanvas.width / 2;
 951
 952         imageContext.translate(center, center);
 953
 954         imageContext.rotate(this.rotate * Math.PI / 180);
 955
 956         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 957
 958         var canvas = document.createElement("canvas");
 959
 960         var context = canvas.getContext("2d");
 961
 962         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 963
 964         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 965
 966         switch (this.rotate) {
 967             case 0 :
 968
 969                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 970                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 971
 972                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 973                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 974
 975                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
 976                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
 977
 978                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
 979                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
 980
 981                 if(canvas.width > this.outputMaxWidth) {
 982                     var scale = this.outputMaxWidth / canvas.width;
 983                     canvas.width = canvas.width * scale;
 984                     canvas.height = canvas.height * scale;
 985                     context.scale(scale, scale);
 986                 }
 987
 988                 context.fillStyle = 'white';
 989                 context.fillRect(0, 0, this.thumbEl.getWidth() / this.getScaleLevel(), this.thumbEl.getHeight() / this.getScaleLevel());
 990
 991
 992                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
 993
 994                 break;
 995             case 90 :
 996
 997                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
 998                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
 999
1000                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1001                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1002
1003                 var targetWidth = this.minWidth - 2 * x;
1004                 var targetHeight = this.minHeight - 2 * y;
1005
1006                 var scale = 1;
1007
1008                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1009                     scale = targetWidth / width;
1010                 }
1011
1012                 if(x > 0 && y == 0){
1013                     scale = targetHeight / height;
1014                 }
1015
1016                 if(x > 0 && y > 0){
1017                     scale = targetWidth / width;
1018
1019                     if(width < height){
1020                         scale = targetHeight / height;
1021                     }
1022                 }
1023
1024                 context.scale(scale, scale);
1025
1026                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1027                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1028
1029                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1030                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1031
1032                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1033
1034                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1035
1036                 break;
1037             case 180 :
1038
1039                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
1040                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
1041
1042                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1043                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1044
1045                 var targetWidth = this.minWidth - 2 * x;
1046                 var targetHeight = this.minHeight - 2 * y;
1047
1048                 var scale = 1;
1049
1050                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1051                     scale = targetWidth / width;
1052                 }
1053
1054                 if(x > 0 && y == 0){
1055                     scale = targetHeight / height;
1056                 }
1057
1058                 if(x > 0 && y > 0){
1059                     scale = targetWidth / width;
1060
1061                     if(width < height){
1062                         scale = targetHeight / height;
1063                     }
1064                 }
1065
1066                 context.scale(scale, scale);
1067
1068                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1069                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1070
1071                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1072                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1073
1074                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1075                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1076
1077                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1078
1079                 break;
1080             case 270 :
1081
1082                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1083                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1084
1085                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1086                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1087
1088                 var targetWidth = this.minWidth - 2 * x;
1089                 var targetHeight = this.minHeight - 2 * y;
1090
1091                 var scale = 1;
1092
1093                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1094                     scale = targetWidth / width;
1095                 }
1096
1097                 if(x > 0 && y == 0){
1098                     scale = targetHeight / height;
1099                 }
1100
1101                 if(x > 0 && y > 0){
1102                     scale = targetWidth / width;
1103
1104                     if(width < height){
1105                         scale = targetHeight / height;
1106                     }
1107                 }
1108
1109                 context.scale(scale, scale);
1110                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1111                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1112
1113                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1114                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1115
1116                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1117
1118                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1119
1120                 break;
1121             default :
1122                 break;
1123         }
1124
1125         this.cropData = canvas.toDataURL(this.cropType);
1126
1127         if(this.fireEvent('crop', this, this.cropData) !== false){
1128             this.process(this.file, this.cropData);
1129         }
1130
1131         return;
1132
1133     },
1134
1135     setThumbBoxSize : function()
1136     {
1137         var width, height;
1138
1139         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1140             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1141             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1142
1143             this.minWidth = width;
1144             this.minHeight = height;
1145
1146             if(this.rotate == 90 || this.rotate == 270){
1147                 this.minWidth = height;
1148                 this.minHeight = width;
1149             }
1150         }
1151
1152         height = this.windowSize;
1153         width = Math.ceil(this.minWidth * height / this.minHeight);
1154
1155         if(this.minWidth > this.minHeight){
1156             width = this.windowSize;
1157             height = Math.ceil(this.minHeight * width / this.minWidth);
1158         }
1159
1160         this.thumbEl.setStyle({
1161             width : width + 'px',
1162             height : height + 'px'
1163         });
1164
1165         return;
1166
1167     },
1168
1169     setThumbBoxPosition : function()
1170     {
1171         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1172         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1173
1174         this.thumbEl.setLeft(x);
1175         this.thumbEl.setTop(y);
1176
1177     },
1178
1179     baseRotateLevel : function()
1180     {
1181         this.baseRotate = 1;
1182
1183         if(
1184                 typeof(this.exif) != 'undefined' &&
1185                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1186                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1187         ){
1188             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1189         }
1190
1191         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1192
1193     },
1194
1195     baseScaleLevel : function()
1196     {
1197         var width, height;
1198
1199         if(this.isDocument){
1200
1201             if(this.baseRotate == 6 || this.baseRotate == 8){
1202
1203                 height = this.thumbEl.getHeight();
1204                 this.baseScale = height / this.imageEl.OriginWidth;
1205
1206                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1207                     width = this.thumbEl.getWidth();
1208                     this.baseScale = width / this.imageEl.OriginHeight;
1209                 }
1210
1211                 return;
1212             }
1213
1214             height = this.thumbEl.getHeight();
1215             this.baseScale = height / this.imageEl.OriginHeight;
1216
1217             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1218                 width = this.thumbEl.getWidth();
1219                 this.baseScale = width / this.imageEl.OriginWidth;
1220             }
1221
1222             return;
1223         }
1224
1225         if(this.baseRotate == 6 || this.baseRotate == 8){
1226
1227             width = this.thumbEl.getHeight();
1228             this.baseScale = width / this.imageEl.OriginHeight;
1229
1230             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1231                 height = this.thumbEl.getWidth();
1232                 this.baseScale = height / this.imageEl.OriginHeight;
1233             }
1234
1235             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1236                 height = this.thumbEl.getWidth();
1237                 this.baseScale = height / this.imageEl.OriginHeight;
1238
1239                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1240                     width = this.thumbEl.getHeight();
1241                     this.baseScale = width / this.imageEl.OriginWidth;
1242                 }
1243             }
1244
1245             return;
1246         }
1247
1248         width = this.thumbEl.getWidth();
1249         this.baseScale = width / this.imageEl.OriginWidth;
1250
1251         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1252             height = this.thumbEl.getHeight();
1253             this.baseScale = height / this.imageEl.OriginHeight;
1254         }
1255
1256         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1257
1258             height = this.thumbEl.getHeight();
1259             this.baseScale = height / this.imageEl.OriginHeight;
1260
1261             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1262                 width = this.thumbEl.getWidth();
1263                 this.baseScale = width / this.imageEl.OriginWidth;
1264             }
1265
1266         }
1267
1268         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1269             this.baseScale = width / this.minWidth;
1270         }
1271
1272         return;
1273     },
1274
1275     getScaleLevel : function()
1276     {
1277         return this.baseScale * Math.pow(1.02, this.scale);
1278     },
1279
1280     onTouchStart : function(e)
1281     {
1282         if(!this.canvasLoaded){
1283             this.beforeSelectFile(e);
1284             return;
1285         }
1286
1287         var touches = e.browserEvent.touches;
1288
1289         if(!touches){
1290             return;
1291         }
1292
1293         if(touches.length == 1){
1294             this.onMouseDown(e);
1295             return;
1296         }
1297
1298         if(touches.length != 2){
1299             return;
1300         }
1301
1302         var coords = [];
1303
1304         for(var i = 0, finger; finger = touches[i]; i++){
1305             coords.push(finger.pageX, finger.pageY);
1306         }
1307
1308         var x = Math.pow(coords[0] - coords[2], 2);
1309         var y = Math.pow(coords[1] - coords[3], 2);
1310
1311         this.startDistance = Math.sqrt(x + y);
1312
1313         this.startScale = this.scale;
1314
1315         this.pinching = true;
1316         this.dragable = false;
1317
1318     },
1319
1320     onTouchMove : function(e)
1321     {
1322         if(!this.pinching && !this.dragable){
1323             return;
1324         }
1325
1326         var touches = e.browserEvent.touches;
1327
1328         if(!touches){
1329             return;
1330         }
1331
1332         if(this.dragable){
1333             this.onMouseMove(e);
1334             return;
1335         }
1336
1337         var coords = [];
1338
1339         for(var i = 0, finger; finger = touches[i]; i++){
1340             coords.push(finger.pageX, finger.pageY);
1341         }
1342
1343         var x = Math.pow(coords[0] - coords[2], 2);
1344         var y = Math.pow(coords[1] - coords[3], 2);
1345
1346         this.endDistance = Math.sqrt(x + y);
1347
1348         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1349
1350         if(!this.zoomable()){
1351             this.scale = this.startScale;
1352             return;
1353         }
1354
1355         this.draw();
1356
1357     },
1358
1359     onTouchEnd : function(e)
1360     {
1361         this.pinching = false;
1362         this.dragable = false;
1363
1364     },
1365
1366     process : function(file, crop)
1367     {
1368         if(this.loadMask){
1369             this.maskEl.mask(this.loadingText);
1370         }
1371
1372         this.xhr = new XMLHttpRequest();
1373
1374         file.xhr = this.xhr;
1375
1376         this.xhr.open(this.method, this.url, true);
1377
1378         var headers = {
1379             "Accept": "application/json",
1380             "Cache-Control": "no-cache",
1381             "X-Requested-With": "XMLHttpRequest"
1382         };
1383
1384         for (var headerName in headers) {
1385             var headerValue = headers[headerName];
1386             if (headerValue) {
1387                 this.xhr.setRequestHeader(headerName, headerValue);
1388             }
1389         }
1390
1391         var _this = this;
1392
1393         this.xhr.onload = function()
1394         {
1395             _this.xhrOnLoad(_this.xhr);
1396         }
1397
1398         this.xhr.onerror = function()
1399         {
1400             _this.xhrOnError(_this.xhr);
1401         }
1402
1403         var formData = new FormData();
1404
1405         formData.append('returnHTML', 'NO');
1406
1407         if(crop){
1408             formData.append('crop', crop);
1409             var blobBin = atob(crop.split(',')[1]);
1410             var array = [];
1411             for(var i = 0; i < blobBin.length; i++) {
1412                 array.push(blobBin.charCodeAt(i));
1413             }
1414             var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1415             formData.append(this.paramName, croppedFile, file.name);
1416         }
1417
1418         if(typeof(file.filename) != 'undefined'){
1419             formData.append('filename', file.filename);
1420         }
1421
1422         if(typeof(file.mimetype) != 'undefined'){
1423             formData.append('mimetype', file.mimetype);
1424         }
1425
1426         if(this.fireEvent('arrange', this, formData) != false){
1427             this.xhr.send(formData);
1428         };
1429     },
1430
1431     xhrOnLoad : function(xhr)
1432     {
1433         if(this.loadMask){
1434             this.maskEl.unmask();
1435         }
1436
1437         if (xhr.readyState !== 4) {
1438             this.fireEvent('exception', this, xhr);
1439             return;
1440         }
1441
1442         var response = Roo.decode(xhr.responseText);
1443
1444         if(!response.success){
1445             this.fireEvent('exception', this, xhr);
1446             return;
1447         }
1448
1449         var response = Roo.decode(xhr.responseText);
1450
1451         this.fireEvent('upload', this, response);
1452
1453     },
1454
1455     xhrOnError : function()
1456     {
1457         if(this.loadMask){
1458             this.maskEl.unmask();
1459         }
1460
1461         Roo.log('xhr on error');
1462
1463         var response = Roo.decode(xhr.responseText);
1464
1465         Roo.log(response);
1466
1467     },
1468
1469     prepare : function(file)
1470     {
1471         if(this.loadMask){
1472             this.maskEl.mask(this.loadingText);
1473         }
1474
1475         this.file = false;
1476         this.exif = {};
1477
1478         if(typeof(file) === 'string'){
1479             this.loadCanvas(file);
1480             return;
1481         }
1482
1483         if(!file || !this.urlAPI){
1484             return;
1485         }
1486
1487         this.file = file;
1488         if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1489             this.cropType = file.type;
1490         }
1491
1492         var _this = this;
1493
1494         if(this.fireEvent('prepare', this, this.file) != false){
1495
1496             var reader = new FileReader();
1497
1498             reader.onload = function (e) {
1499                 if (e.target.error) {
1500                     Roo.log(e.target.error);
1501                     return;
1502                 }
1503
1504                 var buffer = e.target.result,
1505                     dataView = new DataView(buffer),
1506                     offset = 2,
1507                     maxOffset = dataView.byteLength - 4,
1508                     markerBytes,
1509                     markerLength;
1510
1511                 if (dataView.getUint16(0) === 0xffd8) {
1512                     while (offset < maxOffset) {
1513                         markerBytes = dataView.getUint16(offset);
1514
1515                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1516                             markerLength = dataView.getUint16(offset + 2) + 2;
1517                             if (offset + markerLength > dataView.byteLength) {
1518                                 Roo.log('Invalid meta data: Invalid segment size.');
1519                                 break;
1520                             }
1521
1522                             if(markerBytes == 0xffe1){
1523                                 _this.parseExifData(
1524                                     dataView,
1525                                     offset,
1526                                     markerLength
1527                                 );
1528                             }
1529
1530                             offset += markerLength;
1531
1532                             continue;
1533                         }
1534
1535                         break;
1536                     }
1537
1538                 }
1539
1540                 var url = _this.urlAPI.createObjectURL(_this.file);
1541
1542                 _this.loadCanvas(url);
1543
1544                 return;
1545             }
1546
1547             reader.readAsArrayBuffer(this.file);
1548
1549         }
1550
1551     },
1552
1553     parseExifData : function(dataView, offset, length)
1554     {
1555         var tiffOffset = offset + 10,
1556             littleEndian,
1557             dirOffset;
1558
1559         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1560             // No Exif data, might be XMP data instead
1561             return;
1562         }
1563
1564         // Check for the ASCII code for "Exif" (0x45786966):
1565         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1566             // No Exif data, might be XMP data instead
1567             return;
1568         }
1569         if (tiffOffset + 8 > dataView.byteLength) {
1570             Roo.log('Invalid Exif data: Invalid segment size.');
1571             return;
1572         }
1573         // Check for the two null bytes:
1574         if (dataView.getUint16(offset + 8) !== 0x0000) {
1575             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1576             return;
1577         }
1578         // Check the byte alignment:
1579         switch (dataView.getUint16(tiffOffset)) {
1580         case 0x4949:
1581             littleEndian = true;
1582             break;
1583         case 0x4D4D:
1584             littleEndian = false;
1585             break;
1586         default:
1587             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1588             return;
1589         }
1590         // Check for the TIFF tag marker (0x002A):
1591         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1592             Roo.log('Invalid Exif data: Missing TIFF marker.');
1593             return;
1594         }
1595         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1596         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1597
1598         this.parseExifTags(
1599             dataView,
1600             tiffOffset,
1601             tiffOffset + dirOffset,
1602             littleEndian
1603         );
1604     },
1605
1606     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1607     {
1608         var tagsNumber,
1609             dirEndOffset,
1610             i;
1611         if (dirOffset + 6 > dataView.byteLength) {
1612             Roo.log('Invalid Exif data: Invalid directory offset.');
1613             return;
1614         }
1615         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1616         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1617         if (dirEndOffset + 4 > dataView.byteLength) {
1618             Roo.log('Invalid Exif data: Invalid directory size.');
1619             return;
1620         }
1621         for (i = 0; i < tagsNumber; i += 1) {
1622             this.parseExifTag(
1623                 dataView,
1624                 tiffOffset,
1625                 dirOffset + 2 + 12 * i, // tag offset
1626                 littleEndian
1627             );
1628         }
1629         // Return the offset to the next directory:
1630         return dataView.getUint32(dirEndOffset, littleEndian);
1631     },
1632
1633     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1634     {
1635         var tag = dataView.getUint16(offset, littleEndian);
1636
1637         this.exif[tag] = this.getExifValue(
1638             dataView,
1639             tiffOffset,
1640             offset,
1641             dataView.getUint16(offset + 2, littleEndian), // tag type
1642             dataView.getUint32(offset + 4, littleEndian), // tag length
1643             littleEndian
1644         );
1645     },
1646
1647     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1648     {
1649         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1650             tagSize,
1651             dataOffset,
1652             values,
1653             i,
1654             str,
1655             c;
1656
1657         if (!tagType) {
1658             Roo.log('Invalid Exif data: Invalid tag type.');
1659             return;
1660         }
1661
1662         tagSize = tagType.size * length;
1663         // Determine if the value is contained in the dataOffset bytes,
1664         // or if the value at the dataOffset is a pointer to the actual data:
1665         dataOffset = tagSize > 4 ?
1666                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1667         if (dataOffset + tagSize > dataView.byteLength) {
1668             Roo.log('Invalid Exif data: Invalid data offset.');
1669             return;
1670         }
1671         if (length === 1) {
1672             return tagType.getValue(dataView, dataOffset, littleEndian);
1673         }
1674         values = [];
1675         for (i = 0; i < length; i += 1) {
1676             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1677         }
1678
1679         if (tagType.ascii) {
1680             str = '';
1681             // Concatenate the chars:
1682             for (i = 0; i < values.length; i += 1) {
1683                 c = values[i];
1684                 // Ignore the terminating NULL byte(s):
1685                 if (c === '\u0000') {
1686                     break;
1687                 }
1688                 str += c;
1689             }
1690             return str;
1691         }
1692         return values;
1693     }
1694
1695 });
1696
1697 Roo.apply(Roo.dialog.UploadCropbox, {
1698     tags : {
1699         'Orientation': 0x0112
1700     },
1701
1702     Orientation: {
1703             1: 0, //'top-left',
1704 //            2: 'top-right',
1705             3: 180, //'bottom-right',
1706 //            4: 'bottom-left',
1707 //            5: 'left-top',
1708             6: 90, //'right-top',
1709 //            7: 'right-bottom',
1710             8: 270 //'left-bottom'
1711     },
1712
1713     exifTagTypes : {
1714         // byte, 8-bit unsigned int:
1715         1: {
1716             getValue: function (dataView, dataOffset) {
1717                 return dataView.getUint8(dataOffset);
1718             },
1719             size: 1
1720         },
1721         // ascii, 8-bit byte:
1722         2: {
1723             getValue: function (dataView, dataOffset) {
1724                 return String.fromCharCode(dataView.getUint8(dataOffset));
1725             },
1726             size: 1,
1727             ascii: true
1728         },
1729         // short, 16 bit int:
1730         3: {
1731             getValue: function (dataView, dataOffset, littleEndian) {
1732                 return dataView.getUint16(dataOffset, littleEndian);
1733             },
1734             size: 2
1735         },
1736         // long, 32 bit int:
1737         4: {
1738             getValue: function (dataView, dataOffset, littleEndian) {
1739                 return dataView.getUint32(dataOffset, littleEndian);
1740             },
1741             size: 4
1742         },
1743         // rational = two long values, first is numerator, second is denominator:
1744         5: {
1745             getValue: function (dataView, dataOffset, littleEndian) {
1746                 return dataView.getUint32(dataOffset, littleEndian) /
1747                     dataView.getUint32(dataOffset + 4, littleEndian);
1748             },
1749             size: 8
1750         },
1751         // slong, 32 bit signed int:
1752         9: {
1753             getValue: function (dataView, dataOffset, littleEndian) {
1754                 return dataView.getInt32(dataOffset, littleEndian);
1755             },
1756             size: 4
1757         },
1758         // srational, two slongs, first is numerator, second is denominator:
1759         10: {
1760             getValue: function (dataView, dataOffset, littleEndian) {
1761                 return dataView.getInt32(dataOffset, littleEndian) /
1762                     dataView.getInt32(dataOffset + 4, littleEndian);
1763             },
1764             size: 8
1765         }
1766     },
1767
1768     footer : {
1769         STANDARD : [
1770             {
1771                 tag : 'div',
1772                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1773                 action : 'rotate-left',
1774                 cn : [
1775                     {
1776                         tag : 'button',
1777                         cls : 'btn btn-default',
1778                         html : '<i class="fa fa-undo"></i>'
1779                     }
1780                 ]
1781             },
1782             {
1783                 tag : 'div',
1784                 cls : 'btn-group roo-upload-cropbox-picture',
1785                 action : 'picture',
1786                 cn : [
1787                     {
1788                         tag : 'button',
1789                         cls : 'btn btn-default',
1790                         html : '<i class="fa fa-picture-o"></i>'
1791                     }
1792                 ]
1793             },
1794             {
1795                 tag : 'div',
1796                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1797                 action : 'rotate-right',
1798                 cn : [
1799                     {
1800                         tag : 'button',
1801                         cls : 'btn btn-default',
1802                         html : '<i class="fa fa-repeat"></i>'
1803                     }
1804                 ]
1805             }
1806         ],
1807         DOCUMENT : [
1808             {
1809                 tag : 'div',
1810                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1811                 action : 'rotate-left',
1812                 cn : [
1813                     {
1814                         tag : 'button',
1815                         cls : 'btn btn-default',
1816                         html : '<i class="fa fa-undo"></i>'
1817                     }
1818                 ]
1819             },
1820             {
1821                 tag : 'div',
1822                 cls : 'btn-group roo-upload-cropbox-download',
1823                 action : 'download',
1824                 cn : [
1825                     {
1826                         tag : 'button',
1827                         cls : 'btn btn-default',
1828                         html : '<i class="fa fa-download"></i>'
1829                     }
1830                 ]
1831             },
1832             {
1833                 tag : 'div',
1834                 cls : 'btn-group roo-upload-cropbox-crop',
1835                 action : 'crop',
1836                 cn : [
1837                     {
1838                         tag : 'button',
1839                         cls : 'btn btn-default',
1840                         html : '<i class="fa fa-crop"></i>'
1841                     }
1842                 ]
1843             },
1844             {
1845                 tag : 'div',
1846                 cls : 'btn-group roo-upload-cropbox-trash',
1847                 action : 'trash',
1848                 cn : [
1849                     {
1850                         tag : 'button',
1851                         cls : 'btn btn-default',
1852                         html : '<i class="fa fa-trash"></i>'
1853                     }
1854                 ]
1855             },
1856             {
1857                 tag : 'div',
1858                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1859                 action : 'rotate-right',
1860                 cn : [
1861                     {
1862                         tag : 'button',
1863                         cls : 'btn btn-default',
1864                         html : '<i class="fa fa-repeat"></i>'
1865                     }
1866                 ]
1867             }
1868         ],
1869         ROTATOR : [
1870             {
1871                 tag : 'div',
1872                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1873                 action : 'rotate-left',
1874                 cn : [
1875                     {
1876                         tag : 'button',
1877                         cls : 'btn btn-default',
1878                         html : '<i class="fa fa-undo"></i>'
1879                     }
1880                 ]
1881             },
1882             {
1883                 tag : 'div',
1884                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1885                 action : 'rotate-right',
1886                 cn : [
1887                     {
1888                         tag : 'button',
1889                         cls : 'btn btn-default',
1890                         html : '<i class="fa fa-repeat"></i>'
1891                     }
1892                 ]
1893             }
1894         ],
1895         CENTER : [
1896             {
1897                 tag : 'div',
1898                 cls : 'btn-group roo-upload-cropbox-center',
1899                 action : 'center',
1900                 cn : [
1901                     {
1902                         tag : 'button',
1903                         cls : 'btn btn-default',
1904                         html : 'CENTER'
1905                     }
1906                 ]
1907             }
1908         ]
1909     }
1910 });