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

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