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

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