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