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 maxPaddingLeft = this.canvasEl.width * 0.05;
 557         var maxPaddingTop = maxPaddingLeft * this.minHeight / this.minWidth;
 558
 559         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 560             maxPaddingLeft = (this.canvasEl.height * this.minWidth / this.minHeight - this.canvasEl.width) / 2 + maxPaddingLeft;
 561         }
 562
 563         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 564             maxPaddingTop = (this.canvasEl.width * this.minHeight / this.minWidth - this.canvasEl.height) / 2 + maxPaddingTop;
 565         }
 566
 567         var minX = Math.ceil(this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - this.canvasEl.width - maxPaddingLeft);
 568         var minY = Math.ceil(this.thumbEl.getTop(true) + this.thumbEl.getHeight() - this.canvasEl.height - maxPaddingTop);
 569
 570         var maxX = Math.ceil(this.thumbEl.getLeft(true) + maxPaddingLeft);
 571         var maxY = Math.ceil(this.thumbEl.getTop(true) +  maxPaddingTop);
 572
 573         Roo.log("++++++++++++++++++");
 574
 575         Roo.log("maxPaddingLeft: " + maxPaddingLeft);
 576         Roo.log("min X: " + minX);
 577         Roo.log("min Y: " + minY);
 578         Roo.log("max X: " + maxX);
 579         Roo.log("max Y: " + maxY);
 580
 581
 582         if(minX > maxX) {
 583             var tempX = minX;
 584             minX = maxX;
 585             maxX = tempX;
 586         }
 587
 588         if(minY > maxY) {
 589             var tempY = minY;
 590             minY = maxY;
 591             maxY = tempY;
 592         }
 593
 594         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 595         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 596
 597         x = x - this.mouseX;
 598         y = y - this.mouseY;
 599
 600         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 601         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 602
 603         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 604         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 605
 606         this.previewEl.setLeft(bgX);
 607         this.previewEl.setTop(bgY);
 608
 609         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 610         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 611     },
 612
 613     onMouseUp : function(e)
 614     {
 615         e.stopEvent();
 616
 617         this.dragable = false;
 618     },
 619
 620     onMouseWheel : function(e)
 621     {
 622         e.stopEvent();
 623
 624         this.startScale = this.scale;
 625         this.scale = (e.getWheelDelta() > 0) ? (this.scale + 1) : (this.scale - 1);
 626
 627         if(!this.zoomable()){
 628             this.scale = this.startScale;
 629             return;
 630         }
 631
 632
 633         this.draw();
 634
 635         return;
 636     },
 637
 638     zoomable : function()
 639     {
 640         var minScale = this.thumbEl.getWidth() / this.minWidth;
 641
 642         if(this.minWidth < this.minHeight){
 643             minScale = this.thumbEl.getHeight() / this.minHeight;
 644         }
 645
 646         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 647         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 648
 649         var maxWidth = this.imageEl.OriginWidth;
 650         var maxHeight = this.imageEl.OriginHeight;
 651
 652
 653         var newCanvasWidth = Math.floor(this.imageEl.OriginWidth * this.getScaleLevel());
 654         var newCanvasHeight = Math.floor(this.imageEl.OriginHeight * this.getScaleLevel());
 655
 656         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 657         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 658
 659         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - newCanvasWidth) / 2);
 660         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - newCanvasHeight) / 2);
 661
 662         var leftDiff = newCenterLeft - oldCenterLeft;
 663         var topDiff = newCenterTop - oldCenterTop;
 664
 665         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 666         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 667
 668         var paddingLeft = newPreviewLeft - this.thumbEl.getLeft(true);
 669         var paddingTop = newPreviewTop - this.thumbEl.getTop(true);
 670
 671         var paddingRight = this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - newCanvasWidth - newPreviewLeft;
 672         var paddingBottom = this.thumbEl.getTop(true) + this.thumbEl.getHeight() - newCanvasHeight - newPreviewTop;
 673
 674         var maxPaddingLeft = newCanvasWidth * 0.05;
 675         var maxPaddingTop = newCanvasWidth * this.minHeight / this.minWidth * 0.05;
 676
 677         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 678             maxPaddingLeft = (newCanvasHeight * this.minWidth / this.minHeight - newCanvasWidth) / 2 + maxPaddingLeft;
 679         }
 680
 681         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 682             maxPaddingTop = (newCanvasWidth * this.minHeight / this.minWidth - newCanvasHeight) / 2 + maxPaddingTop;
 683         }
 684
 685         Roo.log("=================================");
 686         Roo.log("old canvas width: " + this.canvasEl.width);
 687         Roo.log("old canvas height: " + this.canvasEl.height);
 688
 689         Roo.log("new canvas width: " + newCanvasWidth);
 690         Roo.log("new canvas height: " + newCanvasHeight);
 691
 692         Roo.log("old preview left: " + this.previewEl.getLeft(true));
 693         Roo.log("old preview top: " + this.previewEl.getTop(true));
 694
 695         Roo.log("new preview left: " + newPreviewLeft);
 696         Roo.log("new preview top: " + newPreviewTop);
 697
 698         Roo.log("padding left: " + paddingLeft);
 699         Roo.log("padding top: " + paddingTop);
 700
 701         Roo.log("padding right: " + paddingRight);
 702         Roo.log("padding bottom: " + paddingBottom);
 703
 704         Roo.log("max padding left: " + maxPaddingLeft);
 705         Roo.log("max padding top: " + maxPaddingTop);
 706
 707         if(
 708                 this.isDocument &&
 709                 (this.rotate == 0 || this.rotate == 180) &&
 710                 (
 711                     width > this.imageEl.OriginWidth ||
 712                     height > this.imageEl.OriginHeight ||
 713                     (width < this.minWidth && height < this.minHeight)
 714                 )
 715         ){
 716             return false;
 717         }
 718
 719         if(
 720                 this.isDocument &&
 721                 (this.rotate == 90 || this.rotate == 270) &&
 722                 (
 723                     width > this.imageEl.OriginWidth ||
 724                     height > this.imageEl.OriginHeight ||
 725                     (width < this.minHeight && height < this.minWidth)
 726                 )
 727         ){
 728             return false;
 729         }
 730
 731         if(
 732                 !this.isDocument &&
 733                 (this.rotate == 0 || this.rotate == 180) &&
 734                 (
 735                     // for zoom out
 736                     paddingLeft > maxPaddingLeft ||
 737                     paddingRight > maxPaddingLeft ||
 738                     paddingTop > maxPaddingTop ||
 739                     paddingBottom > maxPaddingTop ||
 740                     // for zoom in
 741                     width > maxWidth ||
 742                     height > maxHeight
 743                 )
 744         ){
 745             return false;
 746         }
 747
 748         if(
 749                 !this.isDocument &&
 750                 (this.rotate == 90 || this.rotate == 270) &&
 751                 (
 752                     width < this.minHeight ||
 753                     width > this.imageEl.OriginWidth ||
 754                     height < this.minWidth ||
 755                     height > this.imageEl.OriginHeight
 756                 )
 757         ){
 758             return false;
 759         }
 760
 761         return true;
 762
 763     },
 764
 765     onRotateLeft : function(e)
 766     {
 767         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 768
 769             var minScale = this.thumbEl.getWidth() / this.minWidth;
 770
 771             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 772             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 773
 774             this.startScale = this.scale;
 775
 776             while (this.getScaleLevel() < minScale){
 777
 778                 this.scale = this.scale + 1;
 779
 780                 if(!this.zoomable()){
 781                     break;
 782                 }
 783
 784                 if(
 785                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 786                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 787                 ){
 788                     continue;
 789                 }
 790
 791                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 792
 793                 this.draw();
 794
 795                 return;
 796             }
 797
 798             this.scale = this.startScale;
 799
 800             this.onRotateFail();
 801
 802             return false;
 803         }
 804
 805         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 806
 807         if(this.isDocument){
 808             this.setThumbBoxSize();
 809             this.setThumbBoxPosition();
 810             this.setCanvasPosition();
 811         }
 812
 813         this.draw();
 814
 815         this.fireEvent('rotate', this, 'left');
 816
 817     },
 818
 819     onRotateRight : function(e)
 820     {
 821         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 822
 823             var minScale = this.thumbEl.getWidth() / this.minWidth;
 824
 825             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 826             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 827
 828             this.startScale = this.scale;
 829
 830             while (this.getScaleLevel() < minScale){
 831
 832                 this.scale = this.scale + 1;
 833
 834                 if(!this.zoomable()){
 835                     break;
 836                 }
 837
 838                 if(
 839                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 840                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 841                 ){
 842                     continue;
 843                 }
 844
 845                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 846
 847                 this.draw();
 848
 849                 return;
 850             }
 851
 852             this.scale = this.startScale;
 853
 854             this.onRotateFail();
 855
 856             return false;
 857         }
 858
 859         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 860
 861         if(this.isDocument){
 862             this.setThumbBoxSize();
 863             this.setThumbBoxPosition();
 864             this.setCanvasPosition();
 865         }
 866
 867         this.draw();
 868
 869         this.fireEvent('rotate', this, 'right');
 870     },
 871
 872     onRotateFail : function()
 873     {
 874         this.errorEl.show(true);
 875
 876         var _this = this;
 877
 878         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 879     },
 880
 881     draw : function()
 882     {
 883         this.previewEl.dom.innerHTML = '';
 884
 885         var canvasEl = document.createElement("canvas");
 886
 887         var contextEl = canvasEl.getContext("2d");
 888
 889         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 890         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 891         var center = this.imageEl.OriginWidth / 2;
 892
 893         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 894             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 895             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 896             center = this.imageEl.OriginHeight / 2;
 897         }
 898
 899         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 900
 901         contextEl.translate(center, center);
 902         contextEl.rotate(this.rotate * Math.PI / 180);
 903
 904         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 905
 906         this.canvasEl = document.createElement("canvas");
 907
 908         this.contextEl = this.canvasEl.getContext("2d");
 909
 910         switch (this.rotate) {
 911             case 0 :
 912
 913                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 914                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 915
 916                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 917
 918                 break;
 919             case 90 :
 920
 921                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 922                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 923
 924                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 925                     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);
 926                     break;
 927                 }
 928
 929                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 930
 931                 break;
 932             case 180 :
 933
 934                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 935                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 936
 937                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 938                     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);
 939                     break;
 940                 }
 941
 942                 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);
 943
 944                 break;
 945             case 270 :
 946
 947                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 948                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 949
 950                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 951                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 952                     break;
 953                 }
 954
 955                 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);
 956
 957                 break;
 958             default :
 959                 break;
 960         }
 961
 962         this.previewEl.appendChild(this.canvasEl);
 963
 964         this.setCanvasPosition(false);
 965     },
 966
 967     crop : function()
 968     {
 969         if(!this.canvasLoaded){
 970             return;
 971         }
 972
 973         var imageCanvas = document.createElement("canvas");
 974
 975         var imageContext = imageCanvas.getContext("2d");
 976
 977         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 978         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 979
 980         var center = imageCanvas.width / 2;
 981
 982         imageContext.translate(center, center);
 983
 984         imageContext.rotate(this.rotate * Math.PI / 180);
 985
 986         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 987
 988         var canvas = document.createElement("canvas");
 989
 990         var context = canvas.getContext("2d");
 991
 992         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 993
 994         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 995
 996         switch (this.rotate) {
 997             case 0 :
 998
 999                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
1000                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
1001
1002                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1003                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1004
1005                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
1006                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
1007
1008                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1009                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1010
1011                 if(canvas.width > this.outputMaxWidth) {
1012                     var scale = this.outputMaxWidth / canvas.width;
1013                     canvas.width = canvas.width * scale;
1014                     canvas.height = canvas.height * scale;
1015                     context.scale(scale, scale);
1016                 }
1017
1018                 context.fillStyle = 'white';
1019                 context.fillRect(0, 0, this.thumbEl.getWidth() / this.getScaleLevel(), this.thumbEl.getHeight() / this.getScaleLevel());
1020
1021
1022                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1023
1024                 break;
1025             case 90 :
1026
1027                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1028                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1029
1030                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1031                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1032
1033                 var targetWidth = this.minWidth - 2 * x;
1034                 var targetHeight = this.minHeight - 2 * y;
1035
1036                 var scale = 1;
1037
1038                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1039                     scale = targetWidth / width;
1040                 }
1041
1042                 if(x > 0 && y == 0){
1043                     scale = targetHeight / height;
1044                 }
1045
1046                 if(x > 0 && y > 0){
1047                     scale = targetWidth / width;
1048
1049                     if(width < height){
1050                         scale = targetHeight / height;
1051                     }
1052                 }
1053
1054                 context.scale(scale, scale);
1055
1056                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1057                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1058
1059                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1060                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1061
1062                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1063
1064                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1065
1066                 break;
1067             case 180 :
1068
1069                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
1070                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
1071
1072                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1073                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1074
1075                 var targetWidth = this.minWidth - 2 * x;
1076                 var targetHeight = this.minHeight - 2 * y;
1077
1078                 var scale = 1;
1079
1080                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1081                     scale = targetWidth / width;
1082                 }
1083
1084                 if(x > 0 && y == 0){
1085                     scale = targetHeight / height;
1086                 }
1087
1088                 if(x > 0 && y > 0){
1089                     scale = targetWidth / width;
1090
1091                     if(width < height){
1092                         scale = targetHeight / height;
1093                     }
1094                 }
1095
1096                 context.scale(scale, scale);
1097
1098                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1099                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1100
1101                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1102                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1103
1104                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1105                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1106
1107                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1108
1109                 break;
1110             case 270 :
1111
1112                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1113                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1114
1115                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1116                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1117
1118                 var targetWidth = this.minWidth - 2 * x;
1119                 var targetHeight = this.minHeight - 2 * y;
1120
1121                 var scale = 1;
1122
1123                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1124                     scale = targetWidth / width;
1125                 }
1126
1127                 if(x > 0 && y == 0){
1128                     scale = targetHeight / height;
1129                 }
1130
1131                 if(x > 0 && y > 0){
1132                     scale = targetWidth / width;
1133
1134                     if(width < height){
1135                         scale = targetHeight / height;
1136                     }
1137                 }
1138
1139                 context.scale(scale, scale);
1140                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1141                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1142
1143                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1144                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1145
1146                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1147
1148                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1149
1150                 break;
1151             default :
1152                 break;
1153         }
1154
1155         this.cropData = canvas.toDataURL(this.cropType);
1156
1157         if(this.fireEvent('crop', this, this.cropData) !== false){
1158             this.process(this.file, this.cropData);
1159         }
1160
1161         return;
1162
1163     },
1164
1165     setThumbBoxSize : function()
1166     {
1167         var width, height;
1168
1169         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1170             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1171             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1172
1173             this.minWidth = width;
1174             this.minHeight = height;
1175
1176             if(this.rotate == 90 || this.rotate == 270){
1177                 this.minWidth = height;
1178                 this.minHeight = width;
1179             }
1180         }
1181
1182         height = this.windowSize;
1183         width = Math.ceil(this.minWidth * height / this.minHeight);
1184
1185         if(this.minWidth > this.minHeight){
1186             width = this.windowSize;
1187             height = Math.ceil(this.minHeight * width / this.minWidth);
1188         }
1189
1190         this.thumbEl.setStyle({
1191             width : width + 'px',
1192             height : height + 'px'
1193         });
1194
1195         return;
1196
1197     },
1198
1199     setThumbBoxPosition : function()
1200     {
1201         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1202         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1203
1204         this.thumbEl.setLeft(x);
1205         this.thumbEl.setTop(y);
1206
1207     },
1208
1209     baseRotateLevel : function()
1210     {
1211         this.baseRotate = 1;
1212
1213         if(
1214                 typeof(this.exif) != 'undefined' &&
1215                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1216                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1217         ){
1218             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1219         }
1220
1221         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1222
1223     },
1224
1225     baseScaleLevel : function()
1226     {
1227         var width, height;
1228
1229         if(this.isDocument){
1230
1231             if(this.baseRotate == 6 || this.baseRotate == 8){
1232
1233                 height = this.thumbEl.getHeight();
1234                 this.baseScale = height / this.imageEl.OriginWidth;
1235
1236                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1237                     width = this.thumbEl.getWidth();
1238                     this.baseScale = width / this.imageEl.OriginHeight;
1239                 }
1240
1241                 return;
1242             }
1243
1244             height = this.thumbEl.getHeight();
1245             this.baseScale = height / this.imageEl.OriginHeight;
1246
1247             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1248                 width = this.thumbEl.getWidth();
1249                 this.baseScale = width / this.imageEl.OriginWidth;
1250             }
1251
1252             return;
1253         }
1254
1255         if(this.baseRotate == 6 || this.baseRotate == 8){
1256
1257             width = this.thumbEl.getHeight();
1258             this.baseScale = width / this.imageEl.OriginHeight;
1259
1260             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1261                 height = this.thumbEl.getWidth();
1262                 this.baseScale = height / this.imageEl.OriginHeight;
1263             }
1264
1265             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1266                 height = this.thumbEl.getWidth();
1267                 this.baseScale = height / this.imageEl.OriginHeight;
1268
1269                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1270                     width = this.thumbEl.getHeight();
1271                     this.baseScale = width / this.imageEl.OriginWidth;
1272                 }
1273             }
1274
1275             return;
1276         }
1277
1278         width = this.thumbEl.getWidth();
1279         this.baseScale = width / this.imageEl.OriginWidth;
1280
1281         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1282             height = this.thumbEl.getHeight();
1283             this.baseScale = height / this.imageEl.OriginHeight;
1284         }
1285
1286         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1287
1288             height = this.thumbEl.getHeight();
1289             this.baseScale = height / this.imageEl.OriginHeight;
1290
1291             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1292                 width = this.thumbEl.getWidth();
1293                 this.baseScale = width / this.imageEl.OriginWidth;
1294             }
1295
1296         }
1297
1298         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1299             this.baseScale = width / this.minWidth;
1300         }
1301
1302         return;
1303     },
1304
1305     getScaleLevel : function()
1306     {
1307         return this.baseScale * Math.pow(1.02, this.scale);
1308     },
1309
1310     onTouchStart : function(e)
1311     {
1312         if(!this.canvasLoaded){
1313             this.beforeSelectFile(e);
1314             return;
1315         }
1316
1317         var touches = e.browserEvent.touches;
1318
1319         if(!touches){
1320             return;
1321         }
1322
1323         if(touches.length == 1){
1324             this.onMouseDown(e);
1325             return;
1326         }
1327
1328         if(touches.length != 2){
1329             return;
1330         }
1331
1332         var coords = [];
1333
1334         for(var i = 0, finger; finger = touches[i]; i++){
1335             coords.push(finger.pageX, finger.pageY);
1336         }
1337
1338         var x = Math.pow(coords[0] - coords[2], 2);
1339         var y = Math.pow(coords[1] - coords[3], 2);
1340
1341         this.startDistance = Math.sqrt(x + y);
1342
1343         this.startScale = this.scale;
1344
1345         this.pinching = true;
1346         this.dragable = false;
1347
1348     },
1349
1350     onTouchMove : function(e)
1351     {
1352         if(!this.pinching && !this.dragable){
1353             return;
1354         }
1355
1356         var touches = e.browserEvent.touches;
1357
1358         if(!touches){
1359             return;
1360         }
1361
1362         if(this.dragable){
1363             this.onMouseMove(e);
1364             return;
1365         }
1366
1367         var coords = [];
1368
1369         for(var i = 0, finger; finger = touches[i]; i++){
1370             coords.push(finger.pageX, finger.pageY);
1371         }
1372
1373         var x = Math.pow(coords[0] - coords[2], 2);
1374         var y = Math.pow(coords[1] - coords[3], 2);
1375
1376         this.endDistance = Math.sqrt(x + y);
1377
1378         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1379
1380         if(!this.zoomable()){
1381             this.scale = this.startScale;
1382             return;
1383         }
1384
1385         this.draw();
1386
1387     },
1388
1389     onTouchEnd : function(e)
1390     {
1391         this.pinching = false;
1392         this.dragable = false;
1393
1394     },
1395
1396     process : function(file, crop)
1397     {
1398         if(this.loadMask){
1399             this.maskEl.mask(this.loadingText);
1400         }
1401
1402         this.xhr = new XMLHttpRequest();
1403
1404         file.xhr = this.xhr;
1405
1406         this.xhr.open(this.method, this.url, true);
1407
1408         var headers = {
1409             "Accept": "application/json",
1410             "Cache-Control": "no-cache",
1411             "X-Requested-With": "XMLHttpRequest"
1412         };
1413
1414         for (var headerName in headers) {
1415             var headerValue = headers[headerName];
1416             if (headerValue) {
1417                 this.xhr.setRequestHeader(headerName, headerValue);
1418             }
1419         }
1420
1421         var _this = this;
1422
1423         this.xhr.onload = function()
1424         {
1425             _this.xhrOnLoad(_this.xhr);
1426         }
1427
1428         this.xhr.onerror = function()
1429         {
1430             _this.xhrOnError(_this.xhr);
1431         }
1432
1433         var formData = new FormData();
1434
1435         formData.append('returnHTML', 'NO');
1436
1437         if(crop){
1438             formData.append('crop', crop);
1439             var blobBin = atob(crop.split(',')[1]);
1440             var array = [];
1441             for(var i = 0; i < blobBin.length; i++) {
1442                 array.push(blobBin.charCodeAt(i));
1443             }
1444             var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1445             formData.append(this.paramName, croppedFile, file.name);
1446         }
1447
1448         if(typeof(file.filename) != 'undefined'){
1449             formData.append('filename', file.filename);
1450         }
1451
1452         if(typeof(file.mimetype) != 'undefined'){
1453             formData.append('mimetype', file.mimetype);
1454         }
1455
1456         if(this.fireEvent('arrange', this, formData) != false){
1457             this.xhr.send(formData);
1458         };
1459     },
1460
1461     xhrOnLoad : function(xhr)
1462     {
1463         if(this.loadMask){
1464             this.maskEl.unmask();
1465         }
1466
1467         if (xhr.readyState !== 4) {
1468             this.fireEvent('exception', this, xhr);
1469             return;
1470         }
1471
1472         var response = Roo.decode(xhr.responseText);
1473
1474         if(!response.success){
1475             this.fireEvent('exception', this, xhr);
1476             return;
1477         }
1478
1479         var response = Roo.decode(xhr.responseText);
1480
1481         this.fireEvent('upload', this, response);
1482
1483     },
1484
1485     xhrOnError : function()
1486     {
1487         if(this.loadMask){
1488             this.maskEl.unmask();
1489         }
1490
1491         Roo.log('xhr on error');
1492
1493         var response = Roo.decode(xhr.responseText);
1494
1495         Roo.log(response);
1496
1497     },
1498
1499     prepare : function(file)
1500     {
1501         if(this.loadMask){
1502             this.maskEl.mask(this.loadingText);
1503         }
1504
1505         this.file = false;
1506         this.exif = {};
1507
1508         if(typeof(file) === 'string'){
1509             this.loadCanvas(file);
1510             return;
1511         }
1512
1513         if(!file || !this.urlAPI){
1514             return;
1515         }
1516
1517         this.file = file;
1518         if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1519             this.cropType = file.type;
1520         }
1521
1522         var _this = this;
1523
1524         if(this.fireEvent('prepare', this, this.file) != false){
1525
1526             var reader = new FileReader();
1527
1528             reader.onload = function (e) {
1529                 if (e.target.error) {
1530                     Roo.log(e.target.error);
1531                     return;
1532                 }
1533
1534                 var buffer = e.target.result,
1535                     dataView = new DataView(buffer),
1536                     offset = 2,
1537                     maxOffset = dataView.byteLength - 4,
1538                     markerBytes,
1539                     markerLength;
1540
1541                 if (dataView.getUint16(0) === 0xffd8) {
1542                     while (offset < maxOffset) {
1543                         markerBytes = dataView.getUint16(offset);
1544
1545                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1546                             markerLength = dataView.getUint16(offset + 2) + 2;
1547                             if (offset + markerLength > dataView.byteLength) {
1548                                 Roo.log('Invalid meta data: Invalid segment size.');
1549                                 break;
1550                             }
1551
1552                             if(markerBytes == 0xffe1){
1553                                 _this.parseExifData(
1554                                     dataView,
1555                                     offset,
1556                                     markerLength
1557                                 );
1558                             }
1559
1560                             offset += markerLength;
1561
1562                             continue;
1563                         }
1564
1565                         break;
1566                     }
1567
1568                 }
1569
1570                 var url = _this.urlAPI.createObjectURL(_this.file);
1571
1572                 _this.loadCanvas(url);
1573
1574                 return;
1575             }
1576
1577             reader.readAsArrayBuffer(this.file);
1578
1579         }
1580
1581     },
1582
1583     parseExifData : function(dataView, offset, length)
1584     {
1585         var tiffOffset = offset + 10,
1586             littleEndian,
1587             dirOffset;
1588
1589         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1590             // No Exif data, might be XMP data instead
1591             return;
1592         }
1593
1594         // Check for the ASCII code for "Exif" (0x45786966):
1595         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1596             // No Exif data, might be XMP data instead
1597             return;
1598         }
1599         if (tiffOffset + 8 > dataView.byteLength) {
1600             Roo.log('Invalid Exif data: Invalid segment size.');
1601             return;
1602         }
1603         // Check for the two null bytes:
1604         if (dataView.getUint16(offset + 8) !== 0x0000) {
1605             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1606             return;
1607         }
1608         // Check the byte alignment:
1609         switch (dataView.getUint16(tiffOffset)) {
1610         case 0x4949:
1611             littleEndian = true;
1612             break;
1613         case 0x4D4D:
1614             littleEndian = false;
1615             break;
1616         default:
1617             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1618             return;
1619         }
1620         // Check for the TIFF tag marker (0x002A):
1621         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1622             Roo.log('Invalid Exif data: Missing TIFF marker.');
1623             return;
1624         }
1625         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1626         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1627
1628         this.parseExifTags(
1629             dataView,
1630             tiffOffset,
1631             tiffOffset + dirOffset,
1632             littleEndian
1633         );
1634     },
1635
1636     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1637     {
1638         var tagsNumber,
1639             dirEndOffset,
1640             i;
1641         if (dirOffset + 6 > dataView.byteLength) {
1642             Roo.log('Invalid Exif data: Invalid directory offset.');
1643             return;
1644         }
1645         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1646         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1647         if (dirEndOffset + 4 > dataView.byteLength) {
1648             Roo.log('Invalid Exif data: Invalid directory size.');
1649             return;
1650         }
1651         for (i = 0; i < tagsNumber; i += 1) {
1652             this.parseExifTag(
1653                 dataView,
1654                 tiffOffset,
1655                 dirOffset + 2 + 12 * i, // tag offset
1656                 littleEndian
1657             );
1658         }
1659         // Return the offset to the next directory:
1660         return dataView.getUint32(dirEndOffset, littleEndian);
1661     },
1662
1663     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1664     {
1665         var tag = dataView.getUint16(offset, littleEndian);
1666
1667         this.exif[tag] = this.getExifValue(
1668             dataView,
1669             tiffOffset,
1670             offset,
1671             dataView.getUint16(offset + 2, littleEndian), // tag type
1672             dataView.getUint32(offset + 4, littleEndian), // tag length
1673             littleEndian
1674         );
1675     },
1676
1677     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1678     {
1679         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1680             tagSize,
1681             dataOffset,
1682             values,
1683             i,
1684             str,
1685             c;
1686
1687         if (!tagType) {
1688             Roo.log('Invalid Exif data: Invalid tag type.');
1689             return;
1690         }
1691
1692         tagSize = tagType.size * length;
1693         // Determine if the value is contained in the dataOffset bytes,
1694         // or if the value at the dataOffset is a pointer to the actual data:
1695         dataOffset = tagSize > 4 ?
1696                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1697         if (dataOffset + tagSize > dataView.byteLength) {
1698             Roo.log('Invalid Exif data: Invalid data offset.');
1699             return;
1700         }
1701         if (length === 1) {
1702             return tagType.getValue(dataView, dataOffset, littleEndian);
1703         }
1704         values = [];
1705         for (i = 0; i < length; i += 1) {
1706             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1707         }
1708
1709         if (tagType.ascii) {
1710             str = '';
1711             // Concatenate the chars:
1712             for (i = 0; i < values.length; i += 1) {
1713                 c = values[i];
1714                 // Ignore the terminating NULL byte(s):
1715                 if (c === '\u0000') {
1716                     break;
1717                 }
1718                 str += c;
1719             }
1720             return str;
1721         }
1722         return values;
1723     }
1724
1725 });
1726
1727 Roo.apply(Roo.dialog.UploadCropbox, {
1728     tags : {
1729         'Orientation': 0x0112
1730     },
1731
1732     Orientation: {
1733             1: 0, //'top-left',
1734 //            2: 'top-right',
1735             3: 180, //'bottom-right',
1736 //            4: 'bottom-left',
1737 //            5: 'left-top',
1738             6: 90, //'right-top',
1739 //            7: 'right-bottom',
1740             8: 270 //'left-bottom'
1741     },
1742
1743     exifTagTypes : {
1744         // byte, 8-bit unsigned int:
1745         1: {
1746             getValue: function (dataView, dataOffset) {
1747                 return dataView.getUint8(dataOffset);
1748             },
1749             size: 1
1750         },
1751         // ascii, 8-bit byte:
1752         2: {
1753             getValue: function (dataView, dataOffset) {
1754                 return String.fromCharCode(dataView.getUint8(dataOffset));
1755             },
1756             size: 1,
1757             ascii: true
1758         },
1759         // short, 16 bit int:
1760         3: {
1761             getValue: function (dataView, dataOffset, littleEndian) {
1762                 return dataView.getUint16(dataOffset, littleEndian);
1763             },
1764             size: 2
1765         },
1766         // long, 32 bit int:
1767         4: {
1768             getValue: function (dataView, dataOffset, littleEndian) {
1769                 return dataView.getUint32(dataOffset, littleEndian);
1770             },
1771             size: 4
1772         },
1773         // rational = two long values, first is numerator, second is denominator:
1774         5: {
1775             getValue: function (dataView, dataOffset, littleEndian) {
1776                 return dataView.getUint32(dataOffset, littleEndian) /
1777                     dataView.getUint32(dataOffset + 4, littleEndian);
1778             },
1779             size: 8
1780         },
1781         // slong, 32 bit signed int:
1782         9: {
1783             getValue: function (dataView, dataOffset, littleEndian) {
1784                 return dataView.getInt32(dataOffset, littleEndian);
1785             },
1786             size: 4
1787         },
1788         // srational, two slongs, first is numerator, second is denominator:
1789         10: {
1790             getValue: function (dataView, dataOffset, littleEndian) {
1791                 return dataView.getInt32(dataOffset, littleEndian) /
1792                     dataView.getInt32(dataOffset + 4, littleEndian);
1793             },
1794             size: 8
1795         }
1796     },
1797
1798     footer : {
1799         STANDARD : [
1800             {
1801                 tag : 'div',
1802                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1803                 action : 'rotate-left',
1804                 cn : [
1805                     {
1806                         tag : 'button',
1807                         cls : 'btn btn-default',
1808                         html : '<i class="fa fa-undo"></i>'
1809                     }
1810                 ]
1811             },
1812             {
1813                 tag : 'div',
1814                 cls : 'btn-group roo-upload-cropbox-picture',
1815                 action : 'picture',
1816                 cn : [
1817                     {
1818                         tag : 'button',
1819                         cls : 'btn btn-default',
1820                         html : '<i class="fa fa-picture-o"></i>'
1821                     }
1822                 ]
1823             },
1824             {
1825                 tag : 'div',
1826                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1827                 action : 'rotate-right',
1828                 cn : [
1829                     {
1830                         tag : 'button',
1831                         cls : 'btn btn-default',
1832                         html : '<i class="fa fa-repeat"></i>'
1833                     }
1834                 ]
1835             }
1836         ],
1837         DOCUMENT : [
1838             {
1839                 tag : 'div',
1840                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1841                 action : 'rotate-left',
1842                 cn : [
1843                     {
1844                         tag : 'button',
1845                         cls : 'btn btn-default',
1846                         html : '<i class="fa fa-undo"></i>'
1847                     }
1848                 ]
1849             },
1850             {
1851                 tag : 'div',
1852                 cls : 'btn-group roo-upload-cropbox-download',
1853                 action : 'download',
1854                 cn : [
1855                     {
1856                         tag : 'button',
1857                         cls : 'btn btn-default',
1858                         html : '<i class="fa fa-download"></i>'
1859                     }
1860                 ]
1861             },
1862             {
1863                 tag : 'div',
1864                 cls : 'btn-group roo-upload-cropbox-crop',
1865                 action : 'crop',
1866                 cn : [
1867                     {
1868                         tag : 'button',
1869                         cls : 'btn btn-default',
1870                         html : '<i class="fa fa-crop"></i>'
1871                     }
1872                 ]
1873             },
1874             {
1875                 tag : 'div',
1876                 cls : 'btn-group roo-upload-cropbox-trash',
1877                 action : 'trash',
1878                 cn : [
1879                     {
1880                         tag : 'button',
1881                         cls : 'btn btn-default',
1882                         html : '<i class="fa fa-trash"></i>'
1883                     }
1884                 ]
1885             },
1886             {
1887                 tag : 'div',
1888                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1889                 action : 'rotate-right',
1890                 cn : [
1891                     {
1892                         tag : 'button',
1893                         cls : 'btn btn-default',
1894                         html : '<i class="fa fa-repeat"></i>'
1895                     }
1896                 ]
1897             }
1898         ],
1899         ROTATOR : [
1900             {
1901                 tag : 'div',
1902                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1903                 action : 'rotate-left',
1904                 cn : [
1905                     {
1906                         tag : 'button',
1907                         cls : 'btn btn-default',
1908                         html : '<i class="fa fa-undo"></i>'
1909                     }
1910                 ]
1911             },
1912             {
1913                 tag : 'div',
1914                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1915                 action : 'rotate-right',
1916                 cn : [
1917                     {
1918                         tag : 'button',
1919                         cls : 'btn btn-default',
1920                         html : '<i class="fa fa-repeat"></i>'
1921                     }
1922                 ]
1923             }
1924         ],
1925         CENTER : [
1926             {
1927                 tag : 'div',
1928                 cls : 'btn-group roo-upload-cropbox-center',
1929                 action : 'center',
1930                 cn : [
1931                     {
1932                         tag : 'button',
1933                         cls : 'btn btn-default',
1934                         html : 'CENTER'
1935                     }
1936                 ]
1937             }
1938         ]
1939     }
1940 });