Roo/dialog/UploadCropbox.js
[roojs1] / 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 {Array} buttons default ['rotateLeft', 'pictureBtn', 'rotateRight']
16  * @cfg {Boolean} isDocument (true|false) default false
17  * @cfg {String} url action url
18  * @cfg {String} paramName default 'imageUpload'
19  * @cfg {String} method default POST
20  * @cfg {Boolean} loadMask (true|false) default true
21  * @cfg {Boolean} loadingText default 'Loading...'
22  * 
23  * @constructor
24  * Create a new UploadCropbox
25  * @param {Object} config The config object
26  */
27
28  Roo.dialog.UploadCropbox = function(config){
29     Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
30     
31     this.addEvents({
32         /**
33          * @event beforeselectfile
34          * Fire before select file
35          * @param {Roo.dialog.UploadCropbox} this
36          */
37         "beforeselectfile" : true,
38         /**
39          * @event initial
40          * Fire after initEvent
41          * @param {Roo.dialog.UploadCropbox} this
42          */
43         "initial" : true,
44         /**
45          * @event crop
46          * Fire after initEvent
47          * @param {Roo.dialog.UploadCropbox} this
48          * @param {String} data
49          */
50         "crop" : true,
51         /**
52          * @event prepare
53          * Fire when preparing the file data
54          * @param {Roo.dialog.UploadCropbox} this
55          * @param {Object} file
56          */
57         "prepare" : true,
58         /**
59          * @event exception
60          * Fire when get exception
61          * @param {Roo.dialog.UploadCropbox} this
62          * @param {XMLHttpRequest} xhr
63          */
64         "exception" : true,
65         /**
66          * @event beforeloadcanvas
67          * Fire before load the canvas
68          * @param {Roo.dialog.UploadCropbox} this
69          * @param {String} src
70          */
71         "beforeloadcanvas" : true,
72         /**
73          * @event trash
74          * Fire when trash image
75          * @param {Roo.dialog.UploadCropbox} this
76          */
77         "trash" : true,
78         /**
79          * @event download
80          * Fire when download the image
81          * @param {Roo.dialog.UploadCropbox} this
82          */
83         "download" : true,
84         /**
85          * @event footerbuttonclick
86          * Fire when footerbuttonclick
87          * @param {Roo.dialog.UploadCropbox} this
88          * @param {String} type
89          */
90         "footerbuttonclick" : true,
91         /**
92          * @event resize
93          * Fire when resize
94          * @param {Roo.dialog.UploadCropbox} this
95          */
96         "resize" : true,
97         /**
98          * @event rotate
99          * Fire when rotate the image
100          * @param {Roo.dialog.UploadCropbox} this
101          * @param {String} pos
102          */
103         "rotate" : true,
104         /**
105          * @event inspect
106          * Fire when inspect the file
107          * @param {Roo.dialog.UploadCropbox} this
108          * @param {Object} file
109          */
110         "inspect" : true,
111         /**
112          * @event upload
113          * Fire when xhr upload the file
114          * @param {Roo.dialog.UploadCropbox} this
115          * @param {Object} data
116          */
117         "upload" : true,
118         /**
119          * @event arrange
120          * Fire when arrange the file data
121          * @param {Roo.dialog.UploadCropbox} this
122          * @param {Object} formData
123          */
124         "arrange" : true,
125         /**
126          * @event loadcanvas
127          * Fire after load the canvas
128          * @param {Roo.dialog.UploadCropbox}
129          * @param {Object} imgEl
130          */
131         "loadcanvas" : true
132     });
133     
134     this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
135 };
136
137 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component,  {
138     
139     emptyText : 'Click to upload image',
140     rotateNotify : 'Image is too small to rotate',
141     errorTimeout : 3000,
142     scale : 0,
143     baseScale : 1,
144     rotate : 0,
145     dragable : false,
146     pinching : false,
147     mouseX : 0,
148     mouseY : 0,
149     cropData : false,
150     minWidth : 300,
151     minHeight : 300,
152     file : false,
153     exif : {},
154     baseRotate : 1,
155     cropType : 'image/jpeg',
156     buttons : false,
157     canvasLoaded : false,
158     isDocument : false,
159     method : 'POST',
160     paramName : 'imageUpload',
161     loadMask : true,
162     loadingText : 'Loading...',
163     maskEl : false,
164     
165     getAutoCreate : function()
166     {
167         var cfg = {
168             tag : 'div',
169             cls : 'roo-upload-cropbox',
170             cn : [
171                 {
172                     tag : 'input',
173                     cls : 'roo-upload-cropbox-selector',
174                     type : 'file'
175                 },
176                 {
177                     tag : 'div',
178                     cls : 'roo-upload-cropbox-body',
179                     style : 'cursor:pointer',
180                     cn : [
181                         {
182                             tag : 'div',
183                             cls : 'roo-upload-cropbox-preview'
184                         },
185                         {
186                             tag : 'div',
187                             cls : 'roo-upload-cropbox-thumb'
188                         },
189                         {
190                             tag : 'div',
191                             cls : 'roo-upload-cropbox-empty-notify',
192                             html : this.emptyText
193                         },
194                         {
195                             tag : 'div',
196                             cls : 'roo-upload-cropbox-error-notify alert alert-danger',
197                             html : this.rotateNotify
198                         }
199                     ]
200                 },
201                 {
202                     tag : 'div',
203                     cls : 'roo-upload-cropbox-footer',
204                     cn : {
205                         tag : 'div',
206                         cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
207                         cn : []
208                     }
209                 }
210             ]
211         };
212         
213         return cfg;
214     },
215     
216     onRender : function(ct, position)
217     {
218         Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
219
220         if(this.el){
221             if (this.el.attr('xtype')) {
222                 this.el.attr('xtypex', this.el.attr('xtype'));
223                 this.el.dom.removeAttribute('xtype');
224                 
225                 this.initEvents();
226             }
227         }
228         else {
229             var cfg = Roo.apply({},  this.getAutoCreate());
230         
231             cfg.id = this.id || Roo.id();
232             
233             if (this.cls) {
234                 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
235             }
236             
237             if (this.style) { // fixme needs to support more complex style data.
238                 cfg.style = (typeof(cfg.style) == 'undefined' ? this.style : cfg.style) + '; ' + this.style;
239             }
240             
241             this.el = ct.createChild(cfg, position);
242             
243             this.initEvents();
244         }
245         
246         if (this.buttons.length) {
247             
248             Roo.each(this.buttons, function(bb) {
249                 
250                 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
251                 
252                 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
253                 
254             }, this);
255         }
256         
257         if(this.loadMask){
258             this.maskEl = this.el;
259         }
260     },
261     
262     initEvents : function()
263     {
264         this.urlAPI = (window.createObjectURL && window) || 
265                                 (window.URL && URL.revokeObjectURL && URL) || 
266                                 (window.webkitURL && webkitURL);
267                         
268         this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
269         this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
270         
271         this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
272         this.selectorEl.hide();
273         
274         this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
275         this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
276         
277         this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
278         this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
279         this.thumbEl.hide();
280         
281         this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
282         this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
283         
284         this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
285         this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
286         this.errorEl.hide();
287         
288         this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
289         this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
290         this.footerEl.hide();
291         
292         this.setThumbBoxSize();
293         
294         this.bind();
295         
296         this.resize();
297         
298         this.fireEvent('initial', this);
299     },
300
301     bind : function()
302     {
303         var _this = this;
304         
305         window.addEventListener("resize", function() { _this.resize(); } );
306         
307         this.bodyEl.on('click', this.beforeSelectFile, this);
308         
309         if(Roo.isTouch){
310             this.bodyEl.on('touchstart', this.onTouchStart, this);
311             this.bodyEl.on('touchmove', this.onTouchMove, this);
312             this.bodyEl.on('touchend', this.onTouchEnd, this);
313         }
314         
315         if(!Roo.isTouch){
316             this.bodyEl.on('mousedown', this.onMouseDown, this);
317             this.bodyEl.on('mousemove', this.onMouseMove, this);
318             var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
319             this.bodyEl.on(mousewheel, this.onMouseWheel, this);
320             Roo.get(document).on('mouseup', this.onMouseUp, this);
321         }
322         
323         this.selectorEl.on('change', this.onFileSelected, this);
324     },
325     
326     reset : function()
327     {    
328         this.scale = 0;
329         this.baseScale = 1;
330         this.rotate = 0;
331         this.baseRotate = 1;
332         this.dragable = false;
333         this.pinching = false;
334         this.mouseX = 0;
335         this.mouseY = 0;
336         this.cropData = false;
337         this.notifyEl.dom.innerHTML = this.emptyText;
338         
339         // this.selectorEl.dom.value = '';
340         
341     },
342     
343     resize : function()
344     {
345         if(this.fireEvent('resize', this) != false){
346             this.setThumbBoxPosition();
347             this.setCanvasPosition();
348         }
349     },
350     
351     onFooterButtonClick : function(e, el, o, type)
352     {
353         switch (type) {
354             case 'rotate-left' :
355                 this.onRotateLeft(e);
356                 break;
357             case 'rotate-right' :
358                 this.onRotateRight(e);
359                 break;
360             case 'picture' :
361                 this.beforeSelectFile(e);
362                 break;
363             case 'trash' :
364                 this.trash(e);
365                 break;
366             case 'crop' :
367                 this.crop(e);
368                 break;
369             case 'download' :
370                 this.download(e);
371                 break;
372             default :
373                 break;
374         }
375         
376         this.fireEvent('footerbuttonclick', this, type);
377     },
378     
379     beforeSelectFile : function(e)
380     {
381         e.preventDefault();
382         
383         if(this.fireEvent('beforeselectfile', this) != false){
384             this.selectorEl.dom.click();
385         }
386     },
387     
388     onFileSelected : function(e)
389     {
390         console.log("ON FILE SELECTED");
391         e.preventDefault();
392         
393         if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
394             return;
395         }
396         
397         var file = this.selectorEl.dom.files[0];
398         
399         if(this.fireEvent('inspect', this, file) != false){
400             this.prepare(file);
401         }
402         
403     },
404     
405     trash : function(e)
406     {
407         this.fireEvent('trash', this);
408     },
409     
410     download : function(e)
411     {
412         this.fireEvent('download', this);
413     },
414     
415     loadCanvas : function(src)
416     {   
417         console.log("LOAD CANVAS");
418         console.log(src);
419         if(this.fireEvent('beforeloadcanvas', this, src) != false){
420             
421             this.reset();
422             
423             this.imageEl = document.createElement('img');
424             
425             var _this = this;
426             
427             this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
428             
429             this.imageEl.src = src;
430         }
431     },
432     
433     onLoadCanvas : function()
434     {   
435         console.log("ON LOAD CANVAS");
436         this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
437         this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
438
439         if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
440         
441             this.bodyEl.un('click', this.beforeSelectFile, this);
442             
443             this.notifyEl.hide();
444             this.thumbEl.show();
445             this.footerEl.show();
446             
447             this.baseRotateLevel();
448             
449             if(this.isDocument){
450                 this.setThumbBoxSize();
451             }
452             
453             this.setThumbBoxPosition();
454             
455             this.baseScaleLevel();
456             
457             this.draw();
458             
459             this.resize();
460             
461             this.canvasLoaded = true;
462         
463         }
464         
465         if(this.loadMask){
466             this.maskEl.unmask();
467         }
468         
469     },
470     
471     setCanvasPosition : function()
472     {   
473         console.log("SET CANVAS POSITION");
474         if(!this.canvasEl){
475             return;
476         }
477         
478         var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
479         var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
480         
481         this.previewEl.setLeft(pw);
482         this.previewEl.setTop(ph);
483         
484     },
485     
486     onMouseDown : function(e)
487     {   
488         e.stopEvent();
489         
490         this.dragable = true;
491         this.pinching = false;
492         
493         if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
494             this.dragable = false;
495             return;
496         }
497         
498         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
499         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
500         
501     },
502     
503     onMouseMove : function(e)
504     {   
505         e.stopEvent();
506         
507         if(!this.canvasLoaded){
508             return;
509         }
510         
511         if (!this.dragable){
512             return;
513         }
514         
515         var minX = Math.ceil(this.thumbEl.getLeft(true));
516         var minY = Math.ceil(this.thumbEl.getTop(true));
517         
518         var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
519         var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
520
521         if(minX > maxX) {
522             var tempX = minX;
523             minX = maxX;
524             maxX = tempX;
525         }
526
527         if(minY > maxY) {
528             var tempY = minY;
529             minY = maxY;
530             maxY = tempY;
531         }
532
533         var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
534         var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
535         
536         x = x - this.mouseX;
537         y = y - this.mouseY;
538
539         var bgX = Math.ceil(x + this.previewEl.getLeft(true));
540         var bgY = Math.ceil(y + this.previewEl.getTop(true));
541         
542         bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
543         bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
544         
545         this.previewEl.setLeft(bgX);
546         this.previewEl.setTop(bgY);
547         
548         this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
549         this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
550     },
551     
552     onMouseUp : function(e)
553     {   
554         e.stopEvent();
555         
556         this.dragable = false;
557     },
558     
559     onMouseWheel : function(e)
560     {   
561         e.stopEvent();
562         
563         this.startScale = this.scale;
564         this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
565         
566         console.log("START SCALE:" + this.startScale);
567         console.log("TEST SCALE: " + this.scale);
568         if(!this.zoomable()){
569             this.scale = this.startScale;
570             return;
571         }
572
573         console.log("END SCALE: " + this.scale);
574         
575         this.draw();
576         
577         return;
578     },
579     
580     zoomable : function()
581     {
582         var minScale = this.thumbEl.getWidth() / this.minWidth;
583         
584         if(this.minWidth < this.minHeight){
585             minScale = this.thumbEl.getHeight() / this.minHeight;
586         }
587
588         console.log("MINSCALE: " + minScale);
589         
590         var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
591         var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
592
593         console.log("WIDTH: " + width);
594         console.log("HEIGHT: " + height);
595
596         var maxWidth = this.imageEl.OriginWidth;
597         var maxHeight = this.imageEl.OriginHeight;
598         
599         if(
600                 this.isDocument &&
601                 (this.rotate == 0 || this.rotate == 180) && 
602                 (
603                     width > this.imageEl.OriginWidth || 
604                     height > this.imageEl.OriginHeight ||
605                     (width < this.minWidth && height < this.minHeight)
606                 )
607         ){
608             return false;
609         }
610         
611         if(
612                 this.isDocument &&
613                 (this.rotate == 90 || this.rotate == 270) && 
614                 (
615                     width > this.imageEl.OriginWidth || 
616                     height > this.imageEl.OriginHeight ||
617                     (width < this.minHeight && height < this.minWidth)
618                 )
619         ){
620             return false;
621         }
622         
623         if(
624                 !this.isDocument &&
625                 (this.rotate == 0 || this.rotate == 180) && 
626                 (
627                     width < this.minWidth ||
628                     height < this.minHeight ||
629                     width > maxWidth ||
630                     height > maxHeight
631                 )
632         ){
633             return false;
634         }
635         
636         if(
637                 !this.isDocument &&
638                 (this.rotate == 90 || this.rotate == 270) && 
639                 (
640                     width < this.minHeight || 
641                     width > this.imageEl.OriginWidth || 
642                     height < this.minWidth || 
643                     height > this.imageEl.OriginHeight
644                 )
645         ){
646             return false;
647         }
648         
649         return true;
650         
651     },
652     
653     onRotateLeft : function(e)
654     {   
655         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
656             
657             var minScale = this.thumbEl.getWidth() / this.minWidth;
658             
659             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
660             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
661             
662             this.startScale = this.scale;
663             
664             while (this.getScaleLevel() < minScale){
665             
666                 this.scale = this.scale + 1;
667                 
668                 if(!this.zoomable()){
669                     break;
670                 }
671                 
672                 if(
673                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
674                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
675                 ){
676                     continue;
677                 }
678                 
679                 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
680
681                 this.draw();
682                 
683                 return;
684             }
685             
686             this.scale = this.startScale;
687             
688             this.onRotateFail();
689             
690             return false;
691         }
692         
693         this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
694
695         if(this.isDocument){
696             this.setThumbBoxSize();
697             this.setThumbBoxPosition();
698             this.setCanvasPosition();
699         }
700         
701         this.draw();
702         
703         this.fireEvent('rotate', this, 'left');
704         
705     },
706     
707     onRotateRight : function(e)
708     {
709         if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
710             
711             var minScale = this.thumbEl.getWidth() / this.minWidth;
712         
713             var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
714             var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
715             
716             this.startScale = this.scale;
717             
718             while (this.getScaleLevel() < minScale){
719             
720                 this.scale = this.scale + 1;
721                 
722                 if(!this.zoomable()){
723                     break;
724                 }
725                 
726                 if(
727                         Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
728                         Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
729                 ){
730                     continue;
731                 }
732                 
733                 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
734
735                 this.draw();
736                 
737                 return;
738             }
739             
740             this.scale = this.startScale;
741             
742             this.onRotateFail();
743             
744             return false;
745         }
746         
747         this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
748
749         if(this.isDocument){
750             this.setThumbBoxSize();
751             this.setThumbBoxPosition();
752             this.setCanvasPosition();
753         }
754         
755         this.draw();
756         
757         this.fireEvent('rotate', this, 'right');
758     },
759     
760     onRotateFail : function()
761     {
762         this.errorEl.show(true);
763         
764         var _this = this;
765         
766         (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
767     },
768     
769     draw : function()
770     {
771         console.log("DRAW");
772         this.previewEl.dom.innerHTML = '';
773         
774         var canvasEl = document.createElement("canvas");
775         
776         var contextEl = canvasEl.getContext("2d");
777
778         console.log(this.getScaleLevel());
779         
780         canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
781         canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
782         var center = this.imageEl.OriginWidth / 2;
783         
784         if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
785             canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
786             canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
787             center = this.imageEl.OriginHeight / 2;
788         }
789         
790         contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
791         
792         contextEl.translate(center, center);
793         contextEl.rotate(this.rotate * Math.PI / 180);
794
795         contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
796         
797         this.canvasEl = document.createElement("canvas");
798         
799         this.contextEl = this.canvasEl.getContext("2d");
800         
801         switch (this.rotate) {
802             case 0 :
803                 
804                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
805                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
806                 
807                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
808                 
809                 break;
810             case 90 : 
811                 
812                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
813                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
814                 
815                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
816                     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);
817                     break;
818                 }
819                 
820                 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
821                 
822                 break;
823             case 180 :
824                 
825                 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
826                 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
827                 
828                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
829                     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);
830                     break;
831                 }
832                 
833                 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);
834                 
835                 break;
836             case 270 :
837                 
838                 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
839                 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
840         
841                 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
842                     this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
843                     break;
844                 }
845                 
846                 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);
847                 
848                 break;
849             default : 
850                 break;
851         }
852         
853         this.previewEl.appendChild(this.canvasEl);
854         
855         this.setCanvasPosition();
856     },
857     
858     crop : function()
859     {
860         console.log("crop");
861         if(!this.canvasLoaded){
862             return;
863         }
864         
865         var imageCanvas = document.createElement("canvas");
866         
867         var imageContext = imageCanvas.getContext("2d");
868         
869         imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
870         imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
871         
872         var center = imageCanvas.width / 2;
873         
874         imageContext.translate(center, center);
875         
876         imageContext.rotate(this.rotate * Math.PI / 180);
877         
878         imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
879         
880         var canvas = document.createElement("canvas");
881         
882         var context = canvas.getContext("2d");
883                 
884         canvas.width = this.minWidth;
885         canvas.height = this.minHeight;
886
887         switch (this.rotate) {
888             case 0 :
889                 
890                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
891                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
892                 
893                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
894                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
895                 
896                 var targetWidth = this.minWidth - 2 * x;
897                 var targetHeight = this.minHeight - 2 * y;
898                 
899                 var scale = 1;
900                 
901                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
902                     scale = targetWidth / width;
903                 }
904                 
905                 if(x > 0 && y == 0){
906                     scale = targetHeight / height;
907                 }
908                 
909                 if(x > 0 && y > 0){
910                     scale = targetWidth / width;
911                     
912                     if(width < height){
913                         scale = targetHeight / height;
914                     }
915                 }
916                 
917                 context.scale(scale, scale);
918                 
919                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
920                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
921
922                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
923                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
924
925                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
926                 
927                 break;
928             case 90 : 
929                 
930                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
931                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
932                 
933                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
934                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
935                 
936                 var targetWidth = this.minWidth - 2 * x;
937                 var targetHeight = this.minHeight - 2 * y;
938                 
939                 var scale = 1;
940                 
941                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
942                     scale = targetWidth / width;
943                 }
944                 
945                 if(x > 0 && y == 0){
946                     scale = targetHeight / height;
947                 }
948                 
949                 if(x > 0 && y > 0){
950                     scale = targetWidth / width;
951                     
952                     if(width < height){
953                         scale = targetHeight / height;
954                     }
955                 }
956                 
957                 context.scale(scale, scale);
958                 
959                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
960                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
961
962                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
963                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
964                 
965                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
966                 
967                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
968                 
969                 break;
970             case 180 :
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 targetWidth = this.minWidth - 2 * x;
979                 var targetHeight = this.minHeight - 2 * y;
980                 
981                 var scale = 1;
982                 
983                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
984                     scale = targetWidth / width;
985                 }
986                 
987                 if(x > 0 && y == 0){
988                     scale = targetHeight / height;
989                 }
990                 
991                 if(x > 0 && y > 0){
992                     scale = targetWidth / width;
993                     
994                     if(width < height){
995                         scale = targetHeight / height;
996                     }
997                 }
998                 
999                 context.scale(scale, scale);
1000                 
1001                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1002                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1003
1004                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1005                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1006
1007                 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1008                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1009                 
1010                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1011                 
1012                 break;
1013             case 270 :
1014                 
1015                 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1016                 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1017                 
1018                 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1019                 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1020                 
1021                 var targetWidth = this.minWidth - 2 * x;
1022                 var targetHeight = this.minHeight - 2 * y;
1023                 
1024                 var scale = 1;
1025                 
1026                 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1027                     scale = targetWidth / width;
1028                 }
1029                 
1030                 if(x > 0 && y == 0){
1031                     scale = targetHeight / height;
1032                 }
1033                 
1034                 if(x > 0 && y > 0){
1035                     scale = targetWidth / width;
1036                     
1037                     if(width < height){
1038                         scale = targetHeight / height;
1039                     }
1040                 }
1041                 
1042                 context.scale(scale, scale);
1043                 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1044                 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1045
1046                 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1047                 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1048                 
1049                 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1050                 
1051                 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1052                 
1053                 break;
1054             default : 
1055                 break;
1056         }
1057         
1058         this.cropData = canvas.toDataURL(this.cropType);
1059
1060         console.log("cropData");
1061         console.log(this.cropData);
1062         
1063         if(this.fireEvent('crop', this, this.cropData) !== false){
1064             this.process(this.file, this.cropData);
1065         }
1066         
1067         return;
1068         
1069     },
1070     
1071     setThumbBoxSize : function()
1072     {
1073         var width, height;
1074         
1075         if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1076             width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1077             height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1078             
1079             this.minWidth = width;
1080             this.minHeight = height;
1081             
1082             if(this.rotate == 90 || this.rotate == 270){
1083                 this.minWidth = height;
1084                 this.minHeight = width;
1085             }
1086         }
1087         
1088         height = 300;
1089         width = Math.ceil(this.minWidth * height / this.minHeight);
1090         
1091         if(this.minWidth > this.minHeight){
1092             width = 300;
1093             height = Math.ceil(this.minHeight * width / this.minWidth);
1094         }
1095         
1096         this.thumbEl.setStyle({
1097             width : width + 'px',
1098             height : height + 'px'
1099         });
1100
1101         return;
1102             
1103     },
1104     
1105     setThumbBoxPosition : function()
1106     {
1107         console.log("SET THUMBBOX POSITION");
1108         var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1109         var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1110         
1111         this.thumbEl.setLeft(x);
1112         this.thumbEl.setTop(y);
1113         
1114     },
1115     
1116     baseRotateLevel : function()
1117     {
1118         console.log("BASE ROTATE LEVEL");
1119         this.baseRotate = 1;
1120         
1121         if(
1122                 typeof(this.exif) != 'undefined' &&
1123                 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1124                 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1125         ){
1126             this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1127         }
1128         
1129         this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1130         
1131     },
1132     
1133     baseScaleLevel : function()
1134     {
1135         console.log("BASE SCALE LEVEL");
1136         var width, height;
1137         
1138         if(this.isDocument){
1139             
1140             if(this.baseRotate == 6 || this.baseRotate == 8){
1141             
1142                 height = this.thumbEl.getHeight();
1143                 this.baseScale = height / this.imageEl.OriginWidth;
1144
1145                 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1146                     width = this.thumbEl.getWidth();
1147                     this.baseScale = width / this.imageEl.OriginHeight;
1148                 }
1149
1150                 return;
1151             }
1152
1153             height = this.thumbEl.getHeight();
1154             this.baseScale = height / this.imageEl.OriginHeight;
1155
1156             if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1157                 width = this.thumbEl.getWidth();
1158                 this.baseScale = width / this.imageEl.OriginWidth;
1159             }
1160
1161             return;
1162         }
1163         
1164         if(this.baseRotate == 6 || this.baseRotate == 8){
1165             
1166             width = this.thumbEl.getHeight();
1167             this.baseScale = width / this.imageEl.OriginHeight;
1168             
1169             if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1170                 height = this.thumbEl.getWidth();
1171                 this.baseScale = height / this.imageEl.OriginHeight;
1172             }
1173             
1174             if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1175                 height = this.thumbEl.getWidth();
1176                 this.baseScale = height / this.imageEl.OriginHeight;
1177                 
1178                 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1179                     width = this.thumbEl.getHeight();
1180                     this.baseScale = width / this.imageEl.OriginWidth;
1181                 }
1182             }
1183             
1184             return;
1185         }
1186         
1187         width = this.thumbEl.getWidth();
1188         this.baseScale = width / this.imageEl.OriginWidth;
1189         
1190         if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1191             height = this.thumbEl.getHeight();
1192             this.baseScale = height / this.imageEl.OriginHeight;
1193         }
1194         
1195         if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1196             
1197             height = this.thumbEl.getHeight();
1198             this.baseScale = height / this.imageEl.OriginHeight;
1199             
1200             if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1201                 width = this.thumbEl.getWidth();
1202                 this.baseScale = width / this.imageEl.OriginWidth;
1203             }
1204             
1205         }
1206
1207         if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1208             this.baseScale = width / this.minWidth;
1209         }
1210         console.log(this.baseScale);
1211         return;
1212     },
1213     
1214     getScaleLevel : function()
1215     {
1216         return this.baseScale * Math.pow(1.02, this.scale);
1217     },
1218     
1219     onTouchStart : function(e)
1220     {
1221         if(!this.canvasLoaded){
1222             this.beforeSelectFile(e);
1223             return;
1224         }
1225         
1226         var touches = e.browserEvent.touches;
1227         
1228         if(!touches){
1229             return;
1230         }
1231         
1232         if(touches.length == 1){
1233             this.onMouseDown(e);
1234             return;
1235         }
1236         
1237         if(touches.length != 2){
1238             return;
1239         }
1240         
1241         var coords = [];
1242         
1243         for(var i = 0, finger; finger = touches[i]; i++){
1244             coords.push(finger.pageX, finger.pageY);
1245         }
1246         
1247         var x = Math.pow(coords[0] - coords[2], 2);
1248         var y = Math.pow(coords[1] - coords[3], 2);
1249         
1250         this.startDistance = Math.sqrt(x + y);
1251         
1252         this.startScale = this.scale;
1253         
1254         this.pinching = true;
1255         this.dragable = false;
1256         
1257     },
1258     
1259     onTouchMove : function(e)
1260     {
1261         if(!this.pinching && !this.dragable){
1262             return;
1263         }
1264         
1265         var touches = e.browserEvent.touches;
1266         
1267         if(!touches){
1268             return;
1269         }
1270         
1271         if(this.dragable){
1272             this.onMouseMove(e);
1273             return;
1274         }
1275         
1276         var coords = [];
1277         
1278         for(var i = 0, finger; finger = touches[i]; i++){
1279             coords.push(finger.pageX, finger.pageY);
1280         }
1281         
1282         var x = Math.pow(coords[0] - coords[2], 2);
1283         var y = Math.pow(coords[1] - coords[3], 2);
1284         
1285         this.endDistance = Math.sqrt(x + y);
1286         
1287         this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1288         
1289         if(!this.zoomable()){
1290             this.scale = this.startScale;
1291             return;
1292         }
1293         
1294         this.draw();
1295         
1296     },
1297     
1298     onTouchEnd : function(e)
1299     {
1300         this.pinching = false;
1301         this.dragable = false;
1302         
1303     },
1304     
1305     process : function(file, crop)
1306     {
1307         console.log("process");
1308         if(this.loadMask){
1309             this.maskEl.mask(this.loadingText);
1310         }
1311         
1312         this.xhr = new XMLHttpRequest();
1313         
1314         file.xhr = this.xhr;
1315
1316         console.log("METHOD:" + this.method);
1317         console.log("URL: " + this.url); 
1318         this.xhr.open(this.method, this.url, true);
1319         
1320         var headers = {
1321             "Accept": "application/json",
1322             "Cache-Control": "no-cache",
1323             "X-Requested-With": "XMLHttpRequest"
1324         };
1325         
1326         for (var headerName in headers) {
1327             var headerValue = headers[headerName];
1328             if (headerValue) {
1329                 this.xhr.setRequestHeader(headerName, headerValue);
1330             }
1331         }
1332         
1333         var _this = this;
1334         
1335         this.xhr.onload = function()
1336         {
1337             _this.xhrOnLoad(_this.xhr);
1338         }
1339         
1340         this.xhr.onerror = function()
1341         {
1342             _this.xhrOnError(_this.xhr);
1343         }
1344         
1345         var formData = new FormData();
1346
1347         formData.append("onid", "43024");
1348         formData.append("ontable", "pressrelease_boilerplate");
1349
1350         formData.append('returnHTML', 'NO');
1351         
1352         if(crop){
1353             formData.append('crop', crop);
1354             var blobBin = atob(crop.split(',')[1]);
1355             var array = [];
1356             for(var i = 0; i < blobBin.length; i++) {
1357                 array.push(blobBin.charCodeAt(i));
1358             }
1359             var croppedFile =new Blob([new Uint8Array(array)], {type: 'image/png'});
1360             console.log("CROPPED FILE");
1361             console.log(croppedFile);
1362         }
1363         
1364         if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1365             console.log(file);
1366             formData.append(this.paramName, crop, file.name);
1367         }
1368         
1369         if(typeof(file.filename) != 'undefined'){
1370             formData.append('filename', file.filename);
1371         }
1372         
1373         if(typeof(file.mimetype) != 'undefined'){
1374             formData.append('mimetype', file.mimetype);
1375         }
1376
1377         for (var pair of formData.entries()) {
1378             console.log(pair);
1379         }
1380
1381
1382         if(this.fireEvent('arrange', this, formData) != false){
1383             this.xhr.send(formData);
1384         };
1385     },
1386     
1387     xhrOnLoad : function(xhr)
1388     {
1389         if(this.loadMask){
1390             this.maskEl.unmask();
1391         }
1392         
1393         if (xhr.readyState !== 4) {
1394             this.fireEvent('exception', this, xhr);
1395             return;
1396         }
1397
1398         var response = Roo.decode(xhr.responseText);
1399         
1400         if(!response.success){
1401             this.fireEvent('exception', this, xhr);
1402             return;
1403         }
1404         
1405         var response = Roo.decode(xhr.responseText);
1406         
1407         this.fireEvent('upload', this, response);
1408         
1409     },
1410     
1411     xhrOnError : function()
1412     {
1413         if(this.loadMask){
1414             this.maskEl.unmask();
1415         }
1416         
1417         Roo.log('xhr on error');
1418         
1419         var response = Roo.decode(xhr.responseText);
1420           
1421         Roo.log(response);
1422         
1423     },
1424     
1425     prepare : function(file)
1426     {   
1427         console.log("PREPARE");
1428         console.log(file);
1429         if(this.loadMask){
1430             this.maskEl.mask(this.loadingText);
1431         }
1432         
1433         this.file = false;
1434         this.exif = {};
1435         
1436         if(typeof(file) === 'string'){
1437             this.loadCanvas(file);
1438             return;
1439         }
1440         
1441         if(!file || !this.urlAPI){
1442             return;
1443         }
1444         
1445         this.file = file;
1446         this.cropType = file.type;
1447         
1448         var _this = this;
1449         
1450         if(this.fireEvent('prepare', this, this.file) != false){
1451             
1452             var reader = new FileReader();
1453             
1454             reader.onload = function (e) {
1455                 if (e.target.error) {
1456                     Roo.log(e.target.error);
1457                     return;
1458                 }
1459                 
1460                 var buffer = e.target.result,
1461                     dataView = new DataView(buffer),
1462                     offset = 2,
1463                     maxOffset = dataView.byteLength - 4,
1464                     markerBytes,
1465                     markerLength;
1466                 
1467                 if (dataView.getUint16(0) === 0xffd8) {
1468                     while (offset < maxOffset) {
1469                         markerBytes = dataView.getUint16(offset);
1470                         
1471                         if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1472                             markerLength = dataView.getUint16(offset + 2) + 2;
1473                             if (offset + markerLength > dataView.byteLength) {
1474                                 Roo.log('Invalid meta data: Invalid segment size.');
1475                                 break;
1476                             }
1477                             
1478                             if(markerBytes == 0xffe1){
1479                                 _this.parseExifData(
1480                                     dataView,
1481                                     offset,
1482                                     markerLength
1483                                 );
1484                             }
1485                             
1486                             offset += markerLength;
1487                             
1488                             continue;
1489                         }
1490                         
1491                         break;
1492                     }
1493                     
1494                 }
1495                 
1496                 var url = _this.urlAPI.createObjectURL(_this.file);
1497                 
1498                 _this.loadCanvas(url);
1499                 
1500                 return;
1501             }
1502             
1503             reader.readAsArrayBuffer(this.file);
1504             
1505         }
1506         
1507     },
1508     
1509     parseExifData : function(dataView, offset, length)
1510     {
1511         var tiffOffset = offset + 10,
1512             littleEndian,
1513             dirOffset;
1514     
1515         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1516             // No Exif data, might be XMP data instead
1517             return;
1518         }
1519         
1520         // Check for the ASCII code for "Exif" (0x45786966):
1521         if (dataView.getUint32(offset + 4) !== 0x45786966) {
1522             // No Exif data, might be XMP data instead
1523             return;
1524         }
1525         if (tiffOffset + 8 > dataView.byteLength) {
1526             Roo.log('Invalid Exif data: Invalid segment size.');
1527             return;
1528         }
1529         // Check for the two null bytes:
1530         if (dataView.getUint16(offset + 8) !== 0x0000) {
1531             Roo.log('Invalid Exif data: Missing byte alignment offset.');
1532             return;
1533         }
1534         // Check the byte alignment:
1535         switch (dataView.getUint16(tiffOffset)) {
1536         case 0x4949:
1537             littleEndian = true;
1538             break;
1539         case 0x4D4D:
1540             littleEndian = false;
1541             break;
1542         default:
1543             Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1544             return;
1545         }
1546         // Check for the TIFF tag marker (0x002A):
1547         if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1548             Roo.log('Invalid Exif data: Missing TIFF marker.');
1549             return;
1550         }
1551         // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1552         dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1553         
1554         this.parseExifTags(
1555             dataView,
1556             tiffOffset,
1557             tiffOffset + dirOffset,
1558             littleEndian
1559         );
1560     },
1561     
1562     parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1563     {
1564         var tagsNumber,
1565             dirEndOffset,
1566             i;
1567         if (dirOffset + 6 > dataView.byteLength) {
1568             Roo.log('Invalid Exif data: Invalid directory offset.');
1569             return;
1570         }
1571         tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1572         dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1573         if (dirEndOffset + 4 > dataView.byteLength) {
1574             Roo.log('Invalid Exif data: Invalid directory size.');
1575             return;
1576         }
1577         for (i = 0; i < tagsNumber; i += 1) {
1578             this.parseExifTag(
1579                 dataView,
1580                 tiffOffset,
1581                 dirOffset + 2 + 12 * i, // tag offset
1582                 littleEndian
1583             );
1584         }
1585         // Return the offset to the next directory:
1586         return dataView.getUint32(dirEndOffset, littleEndian);
1587     },
1588     
1589     parseExifTag : function (dataView, tiffOffset, offset, littleEndian) 
1590     {
1591         var tag = dataView.getUint16(offset, littleEndian);
1592         
1593         this.exif[tag] = this.getExifValue(
1594             dataView,
1595             tiffOffset,
1596             offset,
1597             dataView.getUint16(offset + 2, littleEndian), // tag type
1598             dataView.getUint32(offset + 4, littleEndian), // tag length
1599             littleEndian
1600         );
1601     },
1602     
1603     getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1604     {
1605         var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1606             tagSize,
1607             dataOffset,
1608             values,
1609             i,
1610             str,
1611             c;
1612     
1613         if (!tagType) {
1614             Roo.log('Invalid Exif data: Invalid tag type.');
1615             return;
1616         }
1617         
1618         tagSize = tagType.size * length;
1619         // Determine if the value is contained in the dataOffset bytes,
1620         // or if the value at the dataOffset is a pointer to the actual data:
1621         dataOffset = tagSize > 4 ?
1622                 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1623         if (dataOffset + tagSize > dataView.byteLength) {
1624             Roo.log('Invalid Exif data: Invalid data offset.');
1625             return;
1626         }
1627         if (length === 1) {
1628             return tagType.getValue(dataView, dataOffset, littleEndian);
1629         }
1630         values = [];
1631         for (i = 0; i < length; i += 1) {
1632             values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1633         }
1634         
1635         if (tagType.ascii) {
1636             str = '';
1637             // Concatenate the chars:
1638             for (i = 0; i < values.length; i += 1) {
1639                 c = values[i];
1640                 // Ignore the terminating NULL byte(s):
1641                 if (c === '\u0000') {
1642                     break;
1643                 }
1644                 str += c;
1645             }
1646             return str;
1647         }
1648         return values;
1649     }
1650     
1651 });
1652
1653 Roo.apply(Roo.dialog.UploadCropbox, {
1654     tags : {
1655         'Orientation': 0x0112
1656     },
1657     
1658     Orientation: {
1659             1: 0, //'top-left',
1660 //            2: 'top-right',
1661             3: 180, //'bottom-right',
1662 //            4: 'bottom-left',
1663 //            5: 'left-top',
1664             6: 90, //'right-top',
1665 //            7: 'right-bottom',
1666             8: 270 //'left-bottom'
1667     },
1668     
1669     exifTagTypes : {
1670         // byte, 8-bit unsigned int:
1671         1: {
1672             getValue: function (dataView, dataOffset) {
1673                 return dataView.getUint8(dataOffset);
1674             },
1675             size: 1
1676         },
1677         // ascii, 8-bit byte:
1678         2: {
1679             getValue: function (dataView, dataOffset) {
1680                 return String.fromCharCode(dataView.getUint8(dataOffset));
1681             },
1682             size: 1,
1683             ascii: true
1684         },
1685         // short, 16 bit int:
1686         3: {
1687             getValue: function (dataView, dataOffset, littleEndian) {
1688                 return dataView.getUint16(dataOffset, littleEndian);
1689             },
1690             size: 2
1691         },
1692         // long, 32 bit int:
1693         4: {
1694             getValue: function (dataView, dataOffset, littleEndian) {
1695                 return dataView.getUint32(dataOffset, littleEndian);
1696             },
1697             size: 4
1698         },
1699         // rational = two long values, first is numerator, second is denominator:
1700         5: {
1701             getValue: function (dataView, dataOffset, littleEndian) {
1702                 return dataView.getUint32(dataOffset, littleEndian) /
1703                     dataView.getUint32(dataOffset + 4, littleEndian);
1704             },
1705             size: 8
1706         },
1707         // slong, 32 bit signed int:
1708         9: {
1709             getValue: function (dataView, dataOffset, littleEndian) {
1710                 return dataView.getInt32(dataOffset, littleEndian);
1711             },
1712             size: 4
1713         },
1714         // srational, two slongs, first is numerator, second is denominator:
1715         10: {
1716             getValue: function (dataView, dataOffset, littleEndian) {
1717                 return dataView.getInt32(dataOffset, littleEndian) /
1718                     dataView.getInt32(dataOffset + 4, littleEndian);
1719             },
1720             size: 8
1721         }
1722     },
1723     
1724     footer : {
1725         STANDARD : [
1726             {
1727                 tag : 'div',
1728                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1729                 action : 'rotate-left',
1730                 cn : [
1731                     {
1732                         tag : 'button',
1733                         cls : 'btn btn-default',
1734                         html : '<i class="fa fa-undo"></i>'
1735                     }
1736                 ]
1737             },
1738             {
1739                 tag : 'div',
1740                 cls : 'btn-group roo-upload-cropbox-picture',
1741                 action : 'picture',
1742                 cn : [
1743                     {
1744                         tag : 'button',
1745                         cls : 'btn btn-default',
1746                         html : '<i class="fa fa-picture-o"></i>'
1747                     }
1748                 ]
1749             },
1750             {
1751                 tag : 'div',
1752                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1753                 action : 'rotate-right',
1754                 cn : [
1755                     {
1756                         tag : 'button',
1757                         cls : 'btn btn-default',
1758                         html : '<i class="fa fa-repeat"></i>'
1759                     }
1760                 ]
1761             }
1762         ],
1763         DOCUMENT : [
1764             {
1765                 tag : 'div',
1766                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1767                 action : 'rotate-left',
1768                 cn : [
1769                     {
1770                         tag : 'button',
1771                         cls : 'btn btn-default',
1772                         html : '<i class="fa fa-undo"></i>'
1773                     }
1774                 ]
1775             },
1776             {
1777                 tag : 'div',
1778                 cls : 'btn-group roo-upload-cropbox-download',
1779                 action : 'download',
1780                 cn : [
1781                     {
1782                         tag : 'button',
1783                         cls : 'btn btn-default',
1784                         html : '<i class="fa fa-download"></i>'
1785                     }
1786                 ]
1787             },
1788             {
1789                 tag : 'div',
1790                 cls : 'btn-group roo-upload-cropbox-crop',
1791                 action : 'crop',
1792                 cn : [
1793                     {
1794                         tag : 'button',
1795                         cls : 'btn btn-default',
1796                         html : '<i class="fa fa-crop"></i>'
1797                     }
1798                 ]
1799             },
1800             {
1801                 tag : 'div',
1802                 cls : 'btn-group roo-upload-cropbox-trash',
1803                 action : 'trash',
1804                 cn : [
1805                     {
1806                         tag : 'button',
1807                         cls : 'btn btn-default',
1808                         html : '<i class="fa fa-trash"></i>'
1809                     }
1810                 ]
1811             },
1812             {
1813                 tag : 'div',
1814                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1815                 action : 'rotate-right',
1816                 cn : [
1817                     {
1818                         tag : 'button',
1819                         cls : 'btn btn-default',
1820                         html : '<i class="fa fa-repeat"></i>'
1821                     }
1822                 ]
1823             }
1824         ],
1825         ROTATOR : [
1826             {
1827                 tag : 'div',
1828                 cls : 'btn-group roo-upload-cropbox-rotate-left',
1829                 action : 'rotate-left',
1830                 cn : [
1831                     {
1832                         tag : 'button',
1833                         cls : 'btn btn-default',
1834                         html : '<i class="fa fa-undo"></i>'
1835                     }
1836                 ]
1837             },
1838             {
1839                 tag : 'div',
1840                 cls : 'btn-group roo-upload-cropbox-rotate-right',
1841                 action : 'rotate-right',
1842                 cn : [
1843                     {
1844                         tag : 'button',
1845                         cls : 'btn btn-default',
1846                         html : '<i class="fa fa-repeat"></i>'
1847                     }
1848                 ]
1849             }
1850         ]
1851     }
1852 });