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

   1
   2 /*
   3 * Licence: LGPL
   4 */
   5
   6 /**
   7  * @class Roo.dialog.UploadCropbox
   8  * @extends Roo.BoxComponent
   9  * Dialog UploadCropbox class
  10  * @cfg {String} emptyText show when image has been loaded
  11  * @cfg {String} rotateNotify show when image too small to rotate
  12  * @cfg {Number} errorTimeout default 3000
  13  * @cfg {Number} minWidth default 300
  14  * @cfg {Number} minHeight default 300
  15  * @cfg {Number} outputMaxWidth default 1200
  16  * @cfg {Number} windowSize default 300
  17  * @cfg {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
  18  * @cfg {Boolean} isDocument (true|false) default false
  19  * @cfg {String} url action url
  20  * @cfg {String} paramName default 'imageUpload'
  21  * @cfg {String} method default POST
  22  * @cfg {Boolean} loadMask (true|false) default true
  23  * @cfg {Boolean} loadingText default 'Loading...'
  24  *
  25  * @constructor
  26  * Create a new UploadCropbox
  27  * @param {Object} config The config object
  28  */
  29
  30  Roo.dialog.UploadCropbox = function(config){
  31     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
  32
  33     this.addEvents({
  34         /**
  35          * @event beforeselectfile
  36          * Fire before select file
  37          * @param {Roo.dialog.UploadCropbox} this
  38          */
  39         "beforeselectfile" : true,
  40         /**
  41          * @event initial
  42          * Fire after initEvent
  43          * @param {Roo.dialog.UploadCropbox} this
  44          */
  45         "initial" : true,
  46         /**
  47          * @event crop
  48          * Fire after initEvent
  49          * @param {Roo.dialog.UploadCropbox} this
  50          * @param {String} data
  51          */
  52         "crop" : true,
  53         /**
  54          * @event prepare
  55          * Fire when preparing the file data
  56          * @param {Roo.dialog.UploadCropbox} this
  57          * @param {Object} file
  58          */
  59         "prepare" : true,
  60         /**
  61          * @event exception
  62          * Fire when get exception
  63          * @param {Roo.dialog.UploadCropbox} this
  64          * @param {XMLHttpRequest} xhr
  65          */
  66         "exception" : true,
  67         /**
  68          * @event beforeloadcanvas
  69          * Fire before load the canvas
  70          * @param {Roo.dialog.UploadCropbox} this
  71          * @param {String} src
  72          */
  73         "beforeloadcanvas" : true,
  74         /**
  75          * @event trash
  76          * Fire when trash image
  77          * @param {Roo.dialog.UploadCropbox} this
  78          */
  79         "trash" : true,
  80         /**
  81          * @event download
  82          * Fire when download the image
  83          * @param {Roo.dialog.UploadCropbox} this
  84          */
  85         "download" : true,
  86         /**
  87          * @event footerbuttonclick
  88          * Fire when footerbuttonclick
  89          * @param {Roo.dialog.UploadCropbox} this
  90          * @param {String} type
  91          */
  92         "footerbuttonclick" : true,
  93         /**
  94          * @event resize
  95          * Fire when resize
  96          * @param {Roo.dialog.UploadCropbox} this
  97          */
  98         "resize" : true,
  99         /**
 100          * @event rotate
 101          * Fire when rotate the image
 102          * @param {Roo.dialog.UploadCropbox} this
 103          * @param {String} pos
 104          */
 105         "rotate" : true,
 106         /**
 107          * @event inspect
 108          * Fire when inspect the file
 109          * @param {Roo.dialog.UploadCropbox} this
 110          * @param {Object} file
 111          */
 112         "inspect" : true,
 113         /**
 114          * @event upload
 115          * Fire when xhr upload the file
 116          * @param {Roo.dialog.UploadCropbox} this
 117          * @param {Object} data
 118          */
 119         "upload" : true,
 120         /**
 121          * @event arrange
 122          * Fire when arrange the file data
 123          * @param {Roo.dialog.UploadCropbox} this
 124          * @param {Object} formData
 125          */
 126         "arrange" : true,
 127         /**
 128          * @event loadcanvas
 129          * Fire after load the canvas
 130          * @param {Roo.dialog.UploadCropbox}
 131          * @param {Object} imgEl
 132          */
 133         "loadcanvas" : true
 134     });
 135
 136     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
 137 };
 138
 139 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
 140
 141     emptyText : 'Click to upload image',
 142     rotateNotify : 'Image is too small to rotate',
 143     errorTimeout : 3000,
 144     scale : 0,
 145     baseScale : 1,
 146     rotate : 0,
 147     dragable : false,
 148     pinching : false,
 149     mouseX : 0,
 150     mouseY : 0,
 151     cropData : false,
 152     minWidth : 300,
 153     minHeight : 300,
 154     outputMaxWidth : 1200,
 155     windowSize : 300,
 156     file : false,
 157     exif : {},
 158     baseRotate : 1,
 159     cropType : 'image/jpeg',
 160     buttons : false,
 161     canvasLoaded : false,
 162     isDocument : false,
 163     method : 'POST',
 164     paramName : 'imageUpload',
 165     loadMask : true,
 166     loadingText : 'Loading...',
 167     maskEl : false,
 168
 169     getAutoCreate : function()
 170     {
 171         var cfg = {
 172             tag : 'div',
 173             cls : 'roo-upload-cropbox',
 174             cn : [
 175                 {
 176                     tag : 'input',
 177                     cls : 'roo-upload-cropbox-selector',
 178                     type : 'file'
 179                 },
 180                 {
 181                     tag : 'div',
 182                     cls : 'roo-upload-cropbox-body',
 183                     style : 'cursor:pointer',
 184                     cn : [
 185                         {
 186                             tag : 'div',
 187                             cls : 'roo-upload-cropbox-preview'
 188                         },
 189                         {
 190                             tag : 'div',
 191                             cls : 'roo-upload-cropbox-thumb'
 192                         },
 193                         {
 194                             tag : 'div',
 195                             cls : 'roo-upload-cropbox-empty-notify',
 196                             html : this.emptyText
 197                         },
 198                         {
 199                             tag : 'div',
 200                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
 201                             html : this.rotateNotify
 202                         }
 203                     ]
 204                 },
 205                 {
 206                     tag : 'div',
 207                     cls : 'roo-upload-cropbox-footer',
 208                     cn : {
 209                         tag : 'div',
 210                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
 211                         cn : []
 212                     }
 213                 }
 214             ]
 215         };
 216
 217         return cfg;
 218     },
 219
 220     onRender : function(ct, position)
 221     {
 222         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
 223
 224         if(this.el){
 225             if (this.el.attr('xtype')) {
 226                 this.el.attr('xtypex', this.el.attr('xtype'));
 227                 this.el.dom.removeAttribute('xtype');
 228
 229                 this.initEvents();
 230             }
 231         }
 232         else {
 233             var cfg = Roo.apply({},  this.getAutoCreate());
 234
 235             cfg.id = this.id || Roo.id();
 236
 237             if (this.cls) {
 238                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
 239             }
 240
 241             if (this.style) { // fixme needs to support more complex style data.
 242                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
 243             }
 244
 245             this.el = ct.createChild(cfg, position);
 246
 247             this.initEvents();
 248         }
 249
 250         if (this.buttons.length) {
 251
 252             Roo.each(this.buttons, function(bb) {
 253
 254                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
 255
 256                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
 257
 258             }, this);
 259         }
 260
 261         if(this.loadMask){
 262             this.maskEl = this.el;
 263         }
 264     },
 265
 266     initEvents : function()
 267     {
 268         this.urlAPI = (window.createObjectURL && window) ||
 269                                 (window.URL && URL.revokeObjectURL && URL) ||
 270                                 (window.webkitURL && webkitURL);
 271
 272         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
 273         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 274
 275         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
 276         this.selectorEl.hide();
 277
 278         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
 279         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 280
 281         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
 282         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 283         this.thumbEl.hide();
 284
 285         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
 286         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 287
 288         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
 289         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 290         this.errorEl.hide();
 291
 292         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
 293         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
 294         this.footerEl.hide();
 295
 296         this.setThumbBoxSize();
 297
 298         this.bind();
 299
 300         this.resize();
 301
 302         this.fireEvent('initial', this);
 303     },
 304
 305     bind : function()
 306     {
 307         var _this = this;
 308
 309         window.addEventListener("resize", function() { _this.resize(); } );
 310
 311         this.bodyEl.on('click', this.beforeSelectFile, this);
 312
 313         if(Roo.isTouch){
 314             this.bodyEl.on('touchstart', this.onTouchStart, this);
 315             this.bodyEl.on('touchmove', this.onTouchMove, this);
 316             this.bodyEl.on('touchend', this.onTouchEnd, this);
 317         }
 318
 319         if(!Roo.isTouch){
 320             this.bodyEl.on('mousedown', this.onMouseDown, this);
 321             this.bodyEl.on('mousemove', this.onMouseMove, this);
 322             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
 323             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
 324             Roo.get(document).on('mouseup', this.onMouseUp, this);
 325         }
 326
 327         this.selectorEl.on('change', this.onFileSelected, this);
 328     },
 329
 330     reset : function()
 331     {
 332         this.scale = 0;
 333         this.baseScale = 1;
 334         this.rotate = 0;
 335         this.baseRotate = 1;
 336         this.dragable = false;
 337         this.pinching = false;
 338         this.mouseX = 0;
 339         this.mouseY = 0;
 340         this.cropData = false;
 341         this.notifyEl.dom.innerHTML = this.emptyText;
 342
 343         // this.selectorEl.dom.value = '';
 344
 345     },
 346
 347     resize : function()
 348     {
 349         if(this.fireEvent('resize', this) != false){
 350             this.setThumbBoxPosition();
 351             this.setCanvasPosition();
 352         }
 353     },
 354
 355     onFooterButtonClick : function(e, el, o, type)
 356     {
 357         switch (type) {
 358             case 'rotate-left' :
 359                 this.onRotateLeft(e);
 360                 break;
 361             case 'rotate-right' :
 362                 this.onRotateRight(e);
 363                 break;
 364             case 'picture' :
 365                 this.beforeSelectFile(e);
 366                 break;
 367             case 'trash' :
 368                 this.trash(e);
 369                 break;
 370             case 'crop' :
 371                 this.crop(e);
 372                 break;
 373             case 'download' :
 374                 this.download(e);
 375                 break;
 376             case 'center' :
 377                 this.center(e);
 378                 break;
 379             default :
 380                 break;
 381         }
 382
 383         this.fireEvent('footerbuttonclick', this, type);
 384     },
 385
 386     beforeSelectFile : function(e)
 387     {
 388         e.preventDefault();
 389
 390         if(this.fireEvent('beforeselectfile', this) != false){
 391             this.selectorEl.dom.click();
 392         }
 393     },
 394
 395     onFileSelected : function(e)
 396     {
 397         e.preventDefault();
 398
 399         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
 400             return;
 401         }
 402
 403         var file = this.selectorEl.dom.files[0];
 404
 405         if(this.fireEvent('inspect', this, file) != false){
 406             this.prepare(file);
 407         }
 408
 409     },
 410
 411     trash : function(e)
 412     {
 413         this.fireEvent('trash', this);
 414     },
 415
 416     download : function(e)
 417     {
 418         this.fireEvent('download', this);
 419     },
 420
 421     center : function(e)
 422     {
 423         this.setCanvasPosition();
 424     },
 425
 426     loadCanvas : function(src)
 427     {
 428         if(this.fireEvent('beforeloadcanvas', this, src) != false){
 429
 430             this.reset();
 431
 432             this.imageEl = document.createElement('img');
 433
 434             var _this = this;
 435
 436             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
 437
 438             this.imageEl.src = src;
 439         }
 440     },
 441
 442     onLoadCanvas : function()
 443     {
 444         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
 445         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
 446
 447         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
 448
 449             this.bodyEl.un('click', this.beforeSelectFile, this);
 450
 451             this.notifyEl.hide();
 452             this.thumbEl.show();
 453             this.footerEl.show();
 454
 455             this.baseRotateLevel();
 456
 457             if(this.isDocument){
 458                 this.setThumbBoxSize();
 459             }
 460
 461             this.setThumbBoxPosition();
 462
 463             this.baseScaleLevel();
 464
 465             this.draw();
 466
 467             this.resize();
 468
 469             this.canvasLoaded = true;
 470
 471         }
 472
 473         if(this.loadMask){
 474             this.maskEl.unmask();
 475         }
 476
 477     },
 478
 479     setCanvasPosition : function(center = true)
 480     {
 481         if(!this.canvasEl){
 482             return;
 483         }
 484
 485         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 486         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 487
 488         if(center) {
 489             this.previewEl.setLeft(newCenterLeft);
 490             this.previewEl.setTop(newCenterTop);
 491
 492             return;
 493         }
 494
 495         var oldScaleLevel = this.baseScale * Math.pow(1.02, this.startScale);
 496         var oldCanvasWidth = Math.floor(this.imageEl.OriginWidth * oldScaleLevel);
 497         var oldCanvasHeight = Math.floor(this.imageEl.OriginHeight * oldScaleLevel);
 498
 499         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - oldCanvasWidth) / 2);
 500         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - oldCanvasHeight) / 2);
 501
 502         var leftDiff = newCenterLeft - oldCenterLeft;
 503         var topDiff = newCenterTop - oldCenterTop;
 504
 505         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 506         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 507
 508         Roo.log("-------------");
 509
 510         // Roo.log("old canvas width: " + oldCanvasWidth);
 511         // Roo.log("old canvas height: " + oldCanvasHeight);
 512
 513         // Roo.log("new canvas width: " + this.canvasEl.width);
 514         // Roo.log("new canvas height: " + this.canvasEl.height);
 515
 516         // Roo.log("old preview left: " + this.previewEl.getLeft(true));
 517         // Roo.log("old preview top: " + this.previewEl.getTop(true));
 518
 519         // Roo.log("new preview left: " + newPreviewLeft);
 520         // Roo.log("new preview top: " + newPreviewTop);
 521
 522         this.previewEl.setLeft(newPreviewLeft);
 523         this.previewEl.setTop(newPreviewTop);
 524
 525     },
 526
 527     onMouseDown : function(e)
 528     {
 529         e.stopEvent();
 530
 531         this.dragable = true;
 532         this.pinching = false;
 533
 534         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
 535             this.dragable = false;
 536             return;
 537         }
 538
 539         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 540         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 541
 542     },
 543
 544     onMouseMove : function(e)
 545     {
 546         e.stopEvent();
 547
 548         if(!this.canvasLoaded){
 549             return;
 550         }
 551
 552         if (!this.dragable){
 553             return;
 554         }
 555
 556         var maxPaddingLeft = this.canvasEl.width > this.canvasEl.height ? this.canvasEl.width * 0.05 : this.canvasEl.height * 0.05;
 557         var maxPaddingTop = this.canvasEl.width > this.canvasEl.height ? this.canvasEl.width * 0.05 : this.canvasEl.height * 0.05;
 558
 559         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 560             maxPaddingLeft = (this.canvasEl.height * this.minWidth / this.minHeight - this.canvasEl.width) / 2 + maxPaddingTop;
 561         }
 562
 563         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 564             maxPaddingTop = (this.canvasEl.width * this.minHeight / this.minWidth - this.canvasEl.height) / 2 + maxPaddingLeft;
 565         }
 566
 567         var testX = Math.ceil(this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - this.canvasEl.width - maxPaddingLeft);
 568         Roo.log("+++++++++++++++++++");
 569         Roo.log("test x: " + testX);
 570
 571         var minX = Math.ceil(this.thumbEl.getLeft(true));
 572         var minY = Math.ceil(this.thumbEl.getTop(true));
 573
 574         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
 575         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
 576
 577         if(minX > maxX) {
 578             var tempX = minX;
 579             minX = maxX;
 580             maxX = tempX;
 581         }
 582
 583         if(minY > maxY) {
 584             var tempY = minY;
 585             minY = maxY;
 586             maxY = tempY;
 587         }
 588
 589         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 590         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 591
 592         x = x - this.mouseX;
 593         y = y - this.mouseY;
 594
 595         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
 596         var bgY = Math.ceil(y + this.previewEl.getTop(true));
 597
 598         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
 599         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
 600
 601         this.previewEl.setLeft(bgX);
 602         this.previewEl.setTop(bgY);
 603
 604         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
 605         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
 606     },
 607
 608     onMouseUp : function(e)
 609     {
 610         e.stopEvent();
 611
 612         this.dragable = false;
 613     },
 614
 615     onMouseWheel : function(e)
 616     {
 617         e.stopEvent();
 618
 619         this.startScale = this.scale;
 620         this.scale = (e.getWheelDelta() > 0) ? (this.scale + 1) : (this.scale - 1);
 621
 622         if(!this.zoomable()){
 623             this.scale = this.startScale;
 624             return;
 625         }
 626
 627
 628         this.draw();
 629
 630         return;
 631     },
 632
 633     zoomable : function()
 634     {
 635         var minScale = this.thumbEl.getWidth() / this.minWidth;
 636
 637         if(this.minWidth < this.minHeight){
 638             minScale = this.thumbEl.getHeight() / this.minHeight;
 639         }
 640
 641         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
 642         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
 643
 644         var maxWidth = this.imageEl.OriginWidth;
 645         var maxHeight = this.imageEl.OriginHeight;
 646
 647
 648         var newCanvasWidth = Math.floor(this.imageEl.OriginWidth * this.getScaleLevel());
 649         var newCanvasHeight = Math.floor(this.imageEl.OriginHeight * this.getScaleLevel());
 650
 651         var oldCenterLeft = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
 652         var oldCenterTop = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
 653
 654         var newCenterLeft = Math.ceil((this.bodyEl.getWidth() - newCanvasWidth) / 2);
 655         var newCenterTop = Math.ceil((this.bodyEl.getHeight() - newCanvasHeight) / 2);
 656
 657         var leftDiff = newCenterLeft - oldCenterLeft;
 658         var topDiff = newCenterTop - oldCenterTop;
 659
 660         var newPreviewLeft = this.previewEl.getLeft(true) + leftDiff;
 661         var newPreviewTop = this.previewEl.getTop(true) + topDiff;
 662
 663         var paddingLeft = newPreviewLeft - this.thumbEl.getLeft(true);
 664         var paddingTop = newPreviewTop - this.thumbEl.getTop(true);
 665
 666         var paddingRight = this.thumbEl.getLeft(true) + this.thumbEl.getWidth() - newCanvasWidth - newPreviewLeft;
 667         var paddingBottom = this.thumbEl.getTop(true) + this.thumbEl.getHeight() - newCanvasHeight - newPreviewTop;
 668
 669         var maxPaddingLeft = newCanvasWidth > newCanvasHeight ? newCanvasWidth * 0.05 : newCanvasHeight * 0.05;
 670         var maxPaddingTop = newCanvasWidth > newCanvasHeight ? newCanvasWidth * 0.05 : newCanvasHeight * 0.05;
 671
 672         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight <= this.minWidth / this.minHeight)) {
 673             maxPaddingLeft = (newCanvasHeight * this.minWidth / this.minHeight - newCanvasWidth) / 2 + maxPaddingTop;
 674         }
 675
 676         if ((this.imageEl.OriginWidth / this.imageEl.OriginHeight >= this.minWidth / this.minHeight)) {
 677             maxPaddingTop = (newCanvasWidth * this.minHeight / this.minWidth - newCanvasHeight) / 2 + maxPaddingLeft;
 678         }
 679
 680         Roo.log("=================================");
 681         Roo.log("old canvas width: " + this.canvasEl.width);
 682         Roo.log("old canvas height: " + this.canvasEl.height);
 683
 684         Roo.log("new canvas width: " + newCanvasWidth);
 685         Roo.log("new canvas height: " + newCanvasHeight);
 686
 687         Roo.log("old preview left: " + this.previewEl.getLeft(true));
 688         Roo.log("old preview top: " + this.previewEl.getTop(true));
 689
 690         Roo.log("new preview left: " + newPreviewLeft);
 691         Roo.log("new preview top: " + newPreviewTop);
 692
 693         Roo.log("padding left: " + paddingLeft);
 694         Roo.log("padding top: " + paddingTop);
 695
 696         Roo.log("padding right: " + paddingRight);
 697         Roo.log("padding bottom: " + paddingBottom);
 698
 699         Roo.log("max padding left: " + maxPaddingLeft);
 700         Roo.log("max padding top: " + maxPaddingTop);
 701
 702         if(
 703                 this.isDocument &&
 704                 (this.rotate == 0 || this.rotate == 180) &&
 705                 (
 706                     width > this.imageEl.OriginWidth ||
 707                     height > this.imageEl.OriginHeight ||
 708                     (width < this.minWidth && height < this.minHeight)
 709                 )
 710         ){
 711             return false;
 712         }
 713
 714         if(
 715                 this.isDocument &&
 716                 (this.rotate == 90 || this.rotate == 270) &&
 717                 (
 718                     width > this.imageEl.OriginWidth ||
 719                     height > this.imageEl.OriginHeight ||
 720                     (width < this.minHeight && height < this.minWidth)
 721                 )
 722         ){
 723             return false;
 724         }
 725
 726         if(
 727                 !this.isDocument &&
 728                 (this.rotate == 0 || this.rotate == 180) &&
 729                 (
 730                     // for zoom out
 731                     paddingLeft > maxPaddingLeft ||
 732                     paddingRight > maxPaddingLeft ||
 733                     paddingTop > maxPaddingTop ||
 734                     paddingBottom > maxPaddingTop ||
 735                     // for zoom in
 736                     width > maxWidth ||
 737                     height > maxHeight
 738                 )
 739         ){
 740             return false;
 741         }
 742
 743         if(
 744                 !this.isDocument &&
 745                 (this.rotate == 90 || this.rotate == 270) &&
 746                 (
 747                     width < this.minHeight ||
 748                     width > this.imageEl.OriginWidth ||
 749                     height < this.minWidth ||
 750                     height > this.imageEl.OriginHeight
 751                 )
 752         ){
 753             return false;
 754         }
 755
 756         return true;
 757
 758     },
 759
 760     onRotateLeft : function(e)
 761     {
 762         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 763
 764             var minScale = this.thumbEl.getWidth() / this.minWidth;
 765
 766             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 767             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 768
 769             this.startScale = this.scale;
 770
 771             while (this.getScaleLevel() < minScale){
 772
 773                 this.scale = this.scale + 1;
 774
 775                 if(!this.zoomable()){
 776                     break;
 777                 }
 778
 779                 if(
 780                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 781                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 782                 ){
 783                     continue;
 784                 }
 785
 786                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 787
 788                 this.draw();
 789
 790                 return;
 791             }
 792
 793             this.scale = this.startScale;
 794
 795             this.onRotateFail();
 796
 797             return false;
 798         }
 799
 800         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
 801
 802         if(this.isDocument){
 803             this.setThumbBoxSize();
 804             this.setThumbBoxPosition();
 805             this.setCanvasPosition();
 806         }
 807
 808         this.draw();
 809
 810         this.fireEvent('rotate', this, 'left');
 811
 812     },
 813
 814     onRotateRight : function(e)
 815     {
 816         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
 817
 818             var minScale = this.thumbEl.getWidth() / this.minWidth;
 819
 820             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
 821             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
 822
 823             this.startScale = this.scale;
 824
 825             while (this.getScaleLevel() < minScale){
 826
 827                 this.scale = this.scale + 1;
 828
 829                 if(!this.zoomable()){
 830                     break;
 831                 }
 832
 833                 if(
 834                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
 835                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
 836                 ){
 837                     continue;
 838                 }
 839
 840                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 841
 842                 this.draw();
 843
 844                 return;
 845             }
 846
 847             this.scale = this.startScale;
 848
 849             this.onRotateFail();
 850
 851             return false;
 852         }
 853
 854         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
 855
 856         if(this.isDocument){
 857             this.setThumbBoxSize();
 858             this.setThumbBoxPosition();
 859             this.setCanvasPosition();
 860         }
 861
 862         this.draw();
 863
 864         this.fireEvent('rotate', this, 'right');
 865     },
 866
 867     onRotateFail : function()
 868     {
 869         this.errorEl.show(true);
 870
 871         var _this = this;
 872
 873         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
 874     },
 875
 876     draw : function()
 877     {
 878         this.previewEl.dom.innerHTML = '';
 879
 880         var canvasEl = document.createElement("canvas");
 881
 882         var contextEl = canvasEl.getContext("2d");
 883
 884         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 885         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 886         var center = this.imageEl.OriginWidth / 2;
 887
 888         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
 889             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 890             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 891             center = this.imageEl.OriginHeight / 2;
 892         }
 893
 894         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
 895
 896         contextEl.translate(center, center);
 897         contextEl.rotate(this.rotate * Math.PI / 180);
 898
 899         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 900
 901         this.canvasEl = document.createElement("canvas");
 902
 903         this.contextEl = this.canvasEl.getContext("2d");
 904
 905         switch (this.rotate) {
 906             case 0 :
 907
 908                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 909                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 910
 911                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 912
 913                 break;
 914             case 90 :
 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, Math.abs(this.canvasEl.width - this.canvasEl.height), 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, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 925
 926                 break;
 927             case 180 :
 928
 929                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
 930                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
 931
 932                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 933                     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);
 934                     break;
 935                 }
 936
 937                 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);
 938
 939                 break;
 940             case 270 :
 941
 942                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
 943                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
 944
 945                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
 946                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
 947                     break;
 948                 }
 949
 950                 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);
 951
 952                 break;
 953             default :
 954                 break;
 955         }
 956
 957         this.previewEl.appendChild(this.canvasEl);
 958
 959         this.setCanvasPosition(false);
 960     },
 961
 962     crop : function()
 963     {
 964         if(!this.canvasLoaded){
 965             return;
 966         }
 967
 968         var imageCanvas = document.createElement("canvas");
 969
 970         var imageContext = imageCanvas.getContext("2d");
 971
 972         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 973         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
 974
 975         var center = imageCanvas.width / 2;
 976
 977         imageContext.translate(center, center);
 978
 979         imageContext.rotate(this.rotate * Math.PI / 180);
 980
 981         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
 982
 983         var canvas = document.createElement("canvas");
 984
 985         var context = canvas.getContext("2d");
 986
 987         canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
 988
 989         canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
 990
 991         switch (this.rotate) {
 992             case 0 :
 993
 994                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
 995                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
 996
 997                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
 998                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
 999
1000                 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
1001                 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
1002
1003                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1004                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1005
1006                 if(canvas.width > this.outputMaxWidth) {
1007                     var scale = this.outputMaxWidth / canvas.width;
1008                     canvas.width = canvas.width * scale;
1009                     canvas.height = canvas.height * scale;
1010                     context.scale(scale, scale);
1011                 }
1012
1013                 context.fillStyle = 'white';
1014                 context.fillRect(0, 0, this.thumbEl.getWidth() / this.getScaleLevel(), this.thumbEl.getHeight() / this.getScaleLevel());
1015
1016
1017                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1018
1019                 break;
1020             case 90 :
1021
1022                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1023                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1024
1025                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1026                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1027
1028                 var targetWidth = this.minWidth - 2 * x;
1029                 var targetHeight = this.minHeight - 2 * y;
1030
1031                 var scale = 1;
1032
1033                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1034                     scale = targetWidth / width;
1035                 }
1036
1037                 if(x > 0 && y == 0){
1038                     scale = targetHeight / height;
1039                 }
1040
1041                 if(x > 0 && y > 0){
1042                     scale = targetWidth / width;
1043
1044                     if(width < height){
1045                         scale = targetHeight / height;
1046                     }
1047                 }
1048
1049                 context.scale(scale, scale);
1050
1051                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1052                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1053
1054                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1055                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1056
1057                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1058
1059                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1060
1061                 break;
1062             case 180 :
1063
1064                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
1065                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
1066
1067                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1068                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1069
1070                 var targetWidth = this.minWidth - 2 * x;
1071                 var targetHeight = this.minHeight - 2 * y;
1072
1073                 var scale = 1;
1074
1075                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1076                     scale = targetWidth / width;
1077                 }
1078
1079                 if(x > 0 && y == 0){
1080                     scale = targetHeight / height;
1081                 }
1082
1083                 if(x > 0 && y > 0){
1084                     scale = targetWidth / width;
1085
1086                     if(width < height){
1087                         scale = targetHeight / height;
1088                     }
1089                 }
1090
1091                 context.scale(scale, scale);
1092
1093                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1094                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1095
1096                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1097                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1098
1099                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1100                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1101
1102                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1103
1104                 break;
1105             case 270 :
1106
1107                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1108                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1109
1110                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1111                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1112
1113                 var targetWidth = this.minWidth - 2 * x;
1114                 var targetHeight = this.minHeight - 2 * y;
1115
1116                 var scale = 1;
1117
1118                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1119                     scale = targetWidth / width;
1120                 }
1121
1122                 if(x > 0 && y == 0){
1123                     scale = targetHeight / height;
1124                 }
1125
1126                 if(x > 0 && y > 0){
1127                     scale = targetWidth / width;
1128
1129                     if(width < height){
1130                         scale = targetHeight / height;
1131                     }
1132                 }
1133
1134                 context.scale(scale, scale);
1135                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1136                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1137
1138                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1139                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1140
1141                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1142
1143                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1144
1145                 break;
1146             default :
1147                 break;
1148         }
1149
1150         this.cropData = canvas.toDataURL(this.cropType);
1151
1152         if(this.fireEvent('crop', this, this.cropData) !== false){
1153             this.process(this.file, this.cropData);
1154         }
1155
1156         return;
1157
1158     },
1159
1160     setThumbBoxSize : function()
1161     {
1162         var width, height;
1163
1164         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1165             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1166             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1167
1168             this.minWidth = width;
1169             this.minHeight = height;
1170
1171             if(this.rotate == 90 || this.rotate == 270){
1172                 this.minWidth = height;
1173                 this.minHeight = width;
1174             }
1175         }
1176
1177         height = this.windowSize;
1178         width = Math.ceil(this.minWidth * height / this.minHeight);
1179
1180         if(this.minWidth > this.minHeight){
1181             width = this.windowSize;
1182             height = Math.ceil(this.minHeight * width / this.minWidth);
1183         }
1184
1185         this.thumbEl.setStyle({
1186             width : width + 'px',
1187             height : height + 'px'
1188         });
1189
1190         return;
1191
1192     },
1193
1194     setThumbBoxPosition : function()
1195     {
1196         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1197         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1198
1199         this.thumbEl.setLeft(x);
1200         this.thumbEl.setTop(y);
1201
1202     },
1203
1204     baseRotateLevel : function()
1205     {
1206         this.baseRotate = 1;
1207
1208         if(
1209                 typeof(this.exif) != 'undefined' &&
1210                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1211                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1212         ){
1213             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1214         }
1215
1216         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1217
1218     },
1219
1220     baseScaleLevel : function()
1221     {
1222         var width, height;
1223
1224         if(this.isDocument){
1225
1226             if(this.baseRotate == 6 || this.baseRotate == 8){
1227
1228                 height = this.thumbEl.getHeight();
1229                 this.baseScale = height / this.imageEl.OriginWidth;
1230
1231                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1232                     width = this.thumbEl.getWidth();
1233                     this.baseScale = width / this.imageEl.OriginHeight;
1234                 }
1235
1236                 return;
1237             }
1238
1239             height = this.thumbEl.getHeight();
1240             this.baseScale = height / this.imageEl.OriginHeight;
1241
1242             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1243                 width = this.thumbEl.getWidth();
1244                 this.baseScale = width / this.imageEl.OriginWidth;
1245             }
1246
1247             return;
1248         }
1249
1250         if(this.baseRotate == 6 || this.baseRotate == 8){
1251
1252             width = this.thumbEl.getHeight();
1253             this.baseScale = width / this.imageEl.OriginHeight;
1254
1255             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1256                 height = this.thumbEl.getWidth();
1257                 this.baseScale = height / this.imageEl.OriginHeight;
1258             }
1259
1260             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1261                 height = this.thumbEl.getWidth();
1262                 this.baseScale = height / this.imageEl.OriginHeight;
1263
1264                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1265                     width = this.thumbEl.getHeight();
1266                     this.baseScale = width / this.imageEl.OriginWidth;
1267                 }
1268             }
1269
1270             return;
1271         }
1272
1273         width = this.thumbEl.getWidth();
1274         this.baseScale = width / this.imageEl.OriginWidth;
1275
1276         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1277             height = this.thumbEl.getHeight();
1278             this.baseScale = height / this.imageEl.OriginHeight;
1279         }
1280
1281         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1282
1283             height = this.thumbEl.getHeight();
1284             this.baseScale = height / this.imageEl.OriginHeight;
1285
1286             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1287                 width = this.thumbEl.getWidth();
1288                 this.baseScale = width / this.imageEl.OriginWidth;
1289             }
1290
1291         }
1292
1293         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1294             this.baseScale = width / this.minWidth;
1295         }
1296
1297         return;
1298     },
1299
1300     getScaleLevel : function()
1301     {
1302         return this.baseScale * Math.pow(1.02, this.scale);
1303     },
1304
1305     onTouchStart : function(e)
1306     {
1307         if(!this.canvasLoaded){
1308             this.beforeSelectFile(e);
1309             return;
1310         }
1311
1312         var touches = e.browserEvent.touches;
1313
1314         if(!touches){
1315             return;
1316         }
1317
1318         if(touches.length == 1){
1319             this.onMouseDown(e);
1320             return;
1321         }
1322
1323         if(touches.length != 2){
1324             return;
1325         }
1326
1327         var coords = [];
1328
1329         for(var i = 0, finger; finger = touches[i]; i++){
1330             coords.push(finger.pageX, finger.pageY);
1331         }
1332
1333         var x = Math.pow(coords[0] - coords[2], 2);
1334         var y = Math.pow(coords[1] - coords[3], 2);
1335
1336         this.startDistance = Math.sqrt(x + y);
1337
1338         this.startScale = this.scale;
1339
1340         this.pinching = true;
1341         this.dragable = false;
1342
1343     },
1344
1345     onTouchMove : function(e)
1346     {
1347         if(!this.pinching && !this.dragable){
1348             return;
1349         }
1350
1351         var touches = e.browserEvent.touches;
1352
1353         if(!touches){
1354             return;
1355         }
1356
1357         if(this.dragable){
1358             this.onMouseMove(e);
1359             return;
1360         }
1361
1362         var coords = [];
1363
1364         for(var i = 0, finger; finger = touches[i]; i++){
1365             coords.push(finger.pageX, finger.pageY);
1366         }
1367
1368         var x = Math.pow(coords[0] - coords[2], 2);
1369         var y = Math.pow(coords[1] - coords[3], 2);
1370
1371         this.endDistance = Math.sqrt(x + y);
1372
1373         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1374
1375         if(!this.zoomable()){
1376             this.scale = this.startScale;
1377             return;
1378         }
1379
1380         this.draw();
1381
1382     },
1383
1384     onTouchEnd : function(e)
1385     {
1386         this.pinching = false;
1387         this.dragable = false;
1388
1389     },
1390
1391     process : function(file, crop)
1392     {
1393         if(this.loadMask){
1394             this.maskEl.mask(this.loadingText);
1395         }
1396
1397         this.xhr = new XMLHttpRequest();
1398
1399         file.xhr = this.xhr;
1400
1401         this.xhr.open(this.method, this.url, true);
1402
1403         var headers = {
1404             "Accept": "application/json",
1405             "Cache-Control": "no-cache",
1406             "X-Requested-With": "XMLHttpRequest"
1407         };
1408
1409         for (var headerName in headers) {
1410             var headerValue = headers[headerName];
1411             if (headerValue) {
1412                 this.xhr.setRequestHeader(headerName, headerValue);
1413             }
1414         }
1415
1416         var _this = this;
1417
1418         this.xhr.onload = function()
1419         {
1420             _this.xhrOnLoad(_this.xhr);
1421         }
1422
1423         this.xhr.onerror = function()
1424         {
1425             _this.xhrOnError(_this.xhr);
1426         }
1427
1428         var formData = new FormData();
1429
1430         formData.append('returnHTML', 'NO');
1431
1432         if(crop){
1433             formData.append('crop', crop);
1434             var blobBin = atob(crop.split(',')[1]);
1435             var array = [];
1436             for(var i = 0; i < blobBin.length; i++) {
1437                 array.push(blobBin.charCodeAt(i));
1438             }
1439             var croppedFile =new Blob([new Uint8Array(array)], {type: this.cropType});
1440             formData.append(this.paramName, croppedFile, file.name);
1441         }
1442
1443         if(typeof(file.filename) != 'undefined'){
1444             formData.append('filename', file.filename);
1445         }
1446
1447         if(typeof(file.mimetype) != 'undefined'){
1448             formData.append('mimetype', file.mimetype);
1449         }
1450
1451         if(this.fireEvent('arrange', this, formData) != false){
1452             this.xhr.send(formData);
1453         };
1454     },
1455
1456     xhrOnLoad : function(xhr)
1457     {
1458         if(this.loadMask){
1459             this.maskEl.unmask();
1460         }
1461
1462         if (xhr.readyState !== 4) {
1463             this.fireEvent('exception', this, xhr);
1464             return;
1465         }
1466
1467         var response = Roo.decode(xhr.responseText);
1468
1469         if(!response.success){
1470             this.fireEvent('exception', this, xhr);
1471             return;
1472         }
1473
1474         var response = Roo.decode(xhr.responseText);
1475
1476         this.fireEvent('upload', this, response);
1477
1478     },
1479
1480     xhrOnError : function()
1481     {
1482         if(this.loadMask){
1483             this.maskEl.unmask();
1484         }
1485
1486         Roo.log('xhr on error');
1487
1488         var response = Roo.decode(xhr.responseText);
1489
1490         Roo.log(response);
1491
1492     },
1493
1494     prepare : function(file)
1495     {
1496         if(this.loadMask){
1497             this.maskEl.mask(this.loadingText);
1498         }
1499
1500         this.file = false;
1501         this.exif = {};
1502
1503         if(typeof(file) === 'string'){
1504             this.loadCanvas(file);
1505             return;
1506         }
1507
1508         if(!file || !this.urlAPI){
1509             return;
1510         }
1511
1512         this.file = file;
1513         if(typeof(file.type) != 'undefined' && file.type.length != 0) {
1514             this.cropType = file.type;
1515         }
1516
1517         var _this = this;
1518
1519         if(this.fireEvent('prepare', this, this.file) != false){
1520
1521             var reader = new FileReader();
1522
1523             reader.onload = function (e) {
1524                 if (e.target.error) {
1525                     Roo.log(e.target.error);
1526                     return;
1527                 }
1528
1529                 var buffer = e.target.result,
1530                     dataView = new DataView(buffer),
1531                     offset = 2,
1532                     maxOffset = dataView.byteLength - 4,
1533                     markerBytes,
1534                     markerLength;
1535
1536                 if (dataView.getUint16(0) === 0xffd8) {
1537                     while (offset < maxOffset) {
1538                         markerBytes = dataView.getUint16(offset);
1539
1540                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1541                             markerLength = dataView.getUint16(offset + 2) + 2;
1542                             if (offset + markerLength > dataView.byteLength) {
1543                                 Roo.log('Invalid meta data: Invalid segment size.');
1544                                 break;
1545                             }
1546
1547                             if(markerBytes == 0xffe1){
1548                                 _this.parseExifData(
1549                                     dataView,
1550                                     offset,
1551                                     markerLength
1552                                 );
1553                             }
1554
1555                             offset += markerLength;
1556
1557                             continue;
1558                         }
1559
1560                         break;
1561                     }
1562
1563                 }
1564
1565                 var url = _this.urlAPI.createObjectURL(_this.file);
1566
1567                 _this.loadCanvas(url);
1568
1569                 return;
1570             }
1571
1572             reader.readAsArrayBuffer(this.file);
1573
1574         }
1575
1576     },
1577
1578     parseExifData : function(dataView, offset, length)
1579     {
1580         var tiffOffset = offset + 10,
1581             littleEndian,
1582             dirOffset;
1583
1584         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1585             // No Exif data, might be XMP data instead
1586             return;
1587         }
1588
1589         // Check for the ASCII code for "Exif" (0x45786966):
1590         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1591             // No Exif data, might be XMP data instead
1592             return;
1593         }
1594         if (tiffOffset + 8 > dataView.byteLength) {
1595             Roo.log('Invalid Exif data: Invalid segment size.');
1596             return;
1597         }
1598         // Check for the two null bytes:
1599         if (dataView.getUint16(offset + 8) !== 0x0000) {
1600             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1601             return;
1602         }
1603         // Check the byte alignment:
1604         switch (dataView.getUint16(tiffOffset)) {
1605         case 0x4949:
1606             littleEndian = true;
1607             break;
1608         case 0x4D4D:
1609             littleEndian = false;
1610             break;
1611         default:
1612             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1613             return;
1614         }
1615         // Check for the TIFF tag marker (0x002A):
1616         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1617             Roo.log('Invalid Exif data: Missing TIFF marker.');
1618             return;
1619         }
1620         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1621         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1622
1623         this.parseExifTags(
1624             dataView,
1625             tiffOffset,
1626             tiffOffset + dirOffset,
1627             littleEndian
1628         );
1629     },
1630
1631     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1632     {
1633         var tagsNumber,
1634             dirEndOffset,
1635             i;
1636         if (dirOffset + 6 > dataView.byteLength) {
1637             Roo.log('Invalid Exif data: Invalid directory offset.');
1638             return;
1639         }
1640         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1641         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1642         if (dirEndOffset + 4 > dataView.byteLength) {
1643             Roo.log('Invalid Exif data: Invalid directory size.');
1644             return;
1645         }
1646         for (i = 0; i < tagsNumber; i += 1) {
1647             this.parseExifTag(
1648                 dataView,
1649                 tiffOffset,
1650                 dirOffset + 2 + 12 * i, // tag offset
1651                 littleEndian
1652             );
1653         }
1654         // Return the offset to the next directory:
1655         return dataView.getUint32(dirEndOffset, littleEndian);
1656     },
1657
1658     parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1659     {
1660         var tag = dataView.getUint16(offset, littleEndian);
1661
1662         this.exif[tag] = this.getExifValue(
1663             dataView,
1664             tiffOffset,
1665             offset,
1666             dataView.getUint16(offset + 2, littleEndian), // tag type
1667             dataView.getUint32(offset + 4, littleEndian), // tag length
1668             littleEndian
1669         );
1670     },
1671
1672     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1673     {
1674         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1675             tagSize,
1676             dataOffset,
1677             values,
1678             i,
1679             str,
1680             c;
1681
1682         if (!tagType) {
1683             Roo.log('Invalid Exif data: Invalid tag type.');
1684             return;
1685         }
1686
1687         tagSize = tagType.size * length;
1688         // Determine if the value is contained in the dataOffset bytes,
1689         // or if the value at the dataOffset is a pointer to the actual data:
1690         dataOffset = tagSize > 4 ?
1691                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1692         if (dataOffset + tagSize > dataView.byteLength) {
1693             Roo.log('Invalid Exif data: Invalid data offset.');
1694             return;
1695         }
1696         if (length === 1) {
1697             return tagType.getValue(dataView, dataOffset, littleEndian);
1698         }
1699         values = [];
1700         for (i = 0; i < length; i += 1) {
1701             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1702         }
1703
1704         if (tagType.ascii) {
1705             str = '';
1706             // Concatenate the chars:
1707             for (i = 0; i < values.length; i += 1) {
1708                 c = values[i];
1709                 // Ignore the terminating NULL byte(s):
1710                 if (c === '\u0000') {
1711                     break;
1712                 }
1713                 str += c;
1714             }
1715             return str;
1716         }
1717         return values;
1718     }
1719
1720 });
1721
1722 Roo.apply(Roo.dialog.UploadCropbox, {
1723     tags : {
1724         'Orientation': 0x0112
1725     },
1726
1727     Orientation: {
1728             1: 0, //'top-left',
1729 //            2: 'top-right',
1730             3: 180, //'bottom-right',
1731 //            4: 'bottom-left',
1732 //            5: 'left-top',
1733             6: 90, //'right-top',
1734 //            7: 'right-bottom',
1735             8: 270 //'left-bottom'
1736     },
1737
1738     exifTagTypes : {
1739         // byte, 8-bit unsigned int:
1740         1: {
1741             getValue: function (dataView, dataOffset) {
1742                 return dataView.getUint8(dataOffset);
1743             },
1744             size: 1
1745         },
1746         // ascii, 8-bit byte:
1747         2: {
1748             getValue: function (dataView, dataOffset) {
1749                 return String.fromCharCode(dataView.getUint8(dataOffset));
1750             },
1751             size: 1,
1752             ascii: true
1753         },
1754         // short, 16 bit int:
1755         3: {
1756             getValue: function (dataView, dataOffset, littleEndian) {
1757                 return dataView.getUint16(dataOffset, littleEndian);
1758             },
1759             size: 2
1760         },
1761         // long, 32 bit int:
1762         4: {
1763             getValue: function (dataView, dataOffset, littleEndian) {
1764                 return dataView.getUint32(dataOffset, littleEndian);
1765             },
1766             size: 4
1767         },
1768         // rational = two long values, first is numerator, second is denominator:
1769         5: {
1770             getValue: function (dataView, dataOffset, littleEndian) {
1771                 return dataView.getUint32(dataOffset, littleEndian) /
1772                     dataView.getUint32(dataOffset + 4, littleEndian);
1773             },
1774             size: 8
1775         },
1776         // slong, 32 bit signed int:
1777         9: {
1778             getValue: function (dataView, dataOffset, littleEndian) {
1779                 return dataView.getInt32(dataOffset, littleEndian);
1780             },
1781             size: 4
1782         },
1783         // srational, two slongs, first is numerator, second is denominator:
1784         10: {
1785             getValue: function (dataView, dataOffset, littleEndian) {
1786                 return dataView.getInt32(dataOffset, littleEndian) /
1787                     dataView.getInt32(dataOffset + 4, littleEndian);
1788             },
1789             size: 8
1790         }
1791     },
1792
1793     footer : {
1794         STANDARD : [
1795             {
1796                 tag : 'div',
1797                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1798                 action : 'rotate-left',
1799                 cn : [
1800                     {
1801                         tag : 'button',
1802                         cls : 'btn btn-default',
1803                         html : '<i class="fa fa-undo"></i>'
1804                     }
1805                 ]
1806             },
1807             {
1808                 tag : 'div',
1809                 cls : 'btn-group roo-upload-cropbox-picture',
1810                 action : 'picture',
1811                 cn : [
1812                     {
1813                         tag : 'button',
1814                         cls : 'btn btn-default',
1815                         html : '<i class="fa fa-picture-o"></i>'
1816                     }
1817                 ]
1818             },
1819             {
1820                 tag : 'div',
1821                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1822                 action : 'rotate-right',
1823                 cn : [
1824                     {
1825                         tag : 'button',
1826                         cls : 'btn btn-default',
1827                         html : '<i class="fa fa-repeat"></i>'
1828                     }
1829                 ]
1830             }
1831         ],
1832         DOCUMENT : [
1833             {
1834                 tag : 'div',
1835                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1836                 action : 'rotate-left',
1837                 cn : [
1838                     {
1839                         tag : 'button',
1840                         cls : 'btn btn-default',
1841                         html : '<i class="fa fa-undo"></i>'
1842                     }
1843                 ]
1844             },
1845             {
1846                 tag : 'div',
1847                 cls : 'btn-group roo-upload-cropbox-download',
1848                 action : 'download',
1849                 cn : [
1850                     {
1851                         tag : 'button',
1852                         cls : 'btn btn-default',
1853                         html : '<i class="fa fa-download"></i>'
1854                     }
1855                 ]
1856             },
1857             {
1858                 tag : 'div',
1859                 cls : 'btn-group roo-upload-cropbox-crop',
1860                 action : 'crop',
1861                 cn : [
1862                     {
1863                         tag : 'button',
1864                         cls : 'btn btn-default',
1865                         html : '<i class="fa fa-crop"></i>'
1866                     }
1867                 ]
1868             },
1869             {
1870                 tag : 'div',
1871                 cls : 'btn-group roo-upload-cropbox-trash',
1872                 action : 'trash',
1873                 cn : [
1874                     {
1875                         tag : 'button',
1876                         cls : 'btn btn-default',
1877                         html : '<i class="fa fa-trash"></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         ROTATOR : [
1895             {
1896                 tag : 'div',
1897                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1898                 action : 'rotate-left',
1899                 cn : [
1900                     {
1901                         tag : 'button',
1902                         cls : 'btn btn-default',
1903                         html : '<i class="fa fa-undo"></i>'
1904                     }
1905                 ]
1906             },
1907             {
1908                 tag : 'div',
1909                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1910                 action : 'rotate-right',
1911                 cn : [
1912                     {
1913                         tag : 'button',
1914                         cls : 'btn btn-default',
1915                         html : '<i class="fa fa-repeat"></i>'
1916                     }
1917                 ]
1918             }
1919         ],
1920         CENTER : [
1921             {
1922                 tag : 'div',
1923                 cls : 'btn-group roo-upload-cropbox-center',
1924                 action : 'center',
1925                 cn : [
1926                     {
1927                         tag : 'button',
1928                         cls : 'btn btn-default',
1929                         html : 'CENTER'
1930                     }
1931                 ]
1932             }
1933         ]
1934     }
1935 });