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...'
24 * Create a new UploadCropbox
25 * @param {Object} config The config object
28 Roo.dialog.UploadCropbox = function(config){
29 Roo.dialog.UploadCropbox.superclass.constructor.call(this, config);
33 * @event beforeselectfile
34 * Fire before select file
35 * @param {Roo.dialog.UploadCropbox} this
37 "beforeselectfile" : true,
40 * Fire after initEvent
41 * @param {Roo.dialog.UploadCropbox} this
46 * Fire after initEvent
47 * @param {Roo.dialog.UploadCropbox} this
48 * @param {String} data
53 * Fire when preparing the file data
54 * @param {Roo.dialog.UploadCropbox} this
55 * @param {Object} file
60 * Fire when get exception
61 * @param {Roo.dialog.UploadCropbox} this
62 * @param {XMLHttpRequest} xhr
66 * @event beforeloadcanvas
67 * Fire before load the canvas
68 * @param {Roo.dialog.UploadCropbox} this
71 "beforeloadcanvas" : true,
74 * Fire when trash image
75 * @param {Roo.dialog.UploadCropbox} this
80 * Fire when download the image
81 * @param {Roo.dialog.UploadCropbox} this
85 * @event footerbuttonclick
86 * Fire when footerbuttonclick
87 * @param {Roo.dialog.UploadCropbox} this
88 * @param {String} type
90 "footerbuttonclick" : true,
94 * @param {Roo.dialog.UploadCropbox} this
99 * Fire when rotate the image
100 * @param {Roo.dialog.UploadCropbox} this
101 * @param {String} pos
106 * Fire when inspect the file
107 * @param {Roo.dialog.UploadCropbox} this
108 * @param {Object} file
113 * Fire when xhr upload the file
114 * @param {Roo.dialog.UploadCropbox} this
115 * @param {Object} data
120 * Fire when arrange the file data
121 * @param {Roo.dialog.UploadCropbox} this
122 * @param {Object} formData
127 * Fire after load the canvas
128 * @param {Roo.dialog.UploadCropbox}
129 * @param {Object} imgEl
134 this.buttons = this.buttons || Roo.dialog.UploadCropbox.footer.STANDARD;
137 Roo.extend(Roo.dialog.UploadCropbox, Roo.Component, {
139 emptyText : 'Click to upload image',
140 rotateNotify : 'Image is too small to rotate',
155 cropType : 'image/jpeg',
157 canvasLoaded : false,
160 paramName : 'imageUpload',
162 loadingText : 'Loading...',
165 getAutoCreate : function()
169 cls : 'roo-upload-cropbox',
173 cls : 'roo-upload-cropbox-selector',
178 cls : 'roo-upload-cropbox-body',
179 style : 'cursor:pointer',
183 cls : 'roo-upload-cropbox-preview'
187 cls : 'roo-upload-cropbox-thumb'
191 cls : 'roo-upload-cropbox-empty-notify',
192 html : this.emptyText
196 cls : 'roo-upload-cropbox-error-notify alert alert-danger',
197 html : this.rotateNotify
203 cls : 'roo-upload-cropbox-footer',
206 cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
216 onRender : function(ct, position)
218 Roo.dialog.UploadCropbox.superclass.onRender.call(this, ct, position);
221 if (this.el.attr('xtype')) {
222 this.el.attr('xtypex', this.el.attr('xtype'));
223 this.el.dom.removeAttribute('xtype');
229 var cfg = Roo.apply({}, this.getAutoCreate());
231 cfg.id = this.id || Roo.id();
234 cfg.cls = (typeof(cfg.cls) == 'undefined' ? this.cls : cfg.cls) + ' ' + this.cls;
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;
241 this.el = ct.createChild(cfg, position);
246 if (this.buttons.length) {
248 Roo.each(this.buttons, function(bb) {
250 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
252 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
258 this.maskEl = this.el;
262 initEvents : function()
264 this.urlAPI = (window.createObjectURL && window) ||
265 (window.URL && URL.revokeObjectURL && URL) ||
266 (window.webkitURL && webkitURL);
268 this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
269 this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
271 this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
272 this.selectorEl.hide();
274 this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
275 this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
277 this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
278 this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
281 this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
282 this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
284 this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
285 this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
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();
292 this.setThumbBoxSize();
298 this.fireEvent('initial', this);
305 window.addEventListener("resize", function() { _this.resize(); } );
307 this.bodyEl.on('click', this.beforeSelectFile, this);
310 this.bodyEl.on('touchstart', this.onTouchStart, this);
311 this.bodyEl.on('touchmove', this.onTouchMove, this);
312 this.bodyEl.on('touchend', this.onTouchEnd, this);
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);
323 this.selectorEl.on('change', this.onFileSelected, this);
332 this.dragable = false;
333 this.pinching = false;
336 this.cropData = false;
337 this.notifyEl.dom.innerHTML = this.emptyText;
339 // this.selectorEl.dom.value = '';
345 if(this.fireEvent('resize', this) != false){
346 this.setThumbBoxPosition();
347 this.setCanvasPosition();
351 onFooterButtonClick : function(e, el, o, type)
355 this.onRotateLeft(e);
357 case 'rotate-right' :
358 this.onRotateRight(e);
361 this.beforeSelectFile(e);
376 this.fireEvent('footerbuttonclick', this, type);
379 beforeSelectFile : function(e)
383 if(this.fireEvent('beforeselectfile', this) != false){
384 this.selectorEl.dom.click();
388 onFileSelected : function(e)
390 console.log("ON FILE SELECTED");
393 if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
397 var file = this.selectorEl.dom.files[0];
399 if(this.fireEvent('inspect', this, file) != false){
407 this.fireEvent('trash', this);
410 download : function(e)
412 this.fireEvent('download', this);
415 loadCanvas : function(src)
417 console.log("LOAD CANVAS");
419 if(this.fireEvent('beforeloadcanvas', this, src) != false){
423 this.imageEl = document.createElement('img');
427 this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
429 this.imageEl.src = src;
433 onLoadCanvas : function()
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;
439 if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
441 this.bodyEl.un('click', this.beforeSelectFile, this);
443 this.notifyEl.hide();
445 this.footerEl.show();
447 this.baseRotateLevel();
450 this.setThumbBoxSize();
453 this.setThumbBoxPosition();
455 this.baseScaleLevel();
461 this.canvasLoaded = true;
466 this.maskEl.unmask();
471 setCanvasPosition : function()
473 console.log("SET CANVAS POSITION");
478 var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
479 var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
481 this.previewEl.setLeft(pw);
482 this.previewEl.setTop(ph);
486 onMouseDown : function(e)
488 console.log("ON MOUSE DOWN");
491 this.dragable = true;
492 this.pinching = false;
494 if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
495 this.dragable = false;
499 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
500 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
504 onMouseMove : function(e)
506 console.log ("ON MOUSE MOVE");
509 if(!this.canvasLoaded){
517 var minX = Math.ceil(this.thumbEl.getLeft(true));
518 var minY = Math.ceil(this.thumbEl.getTop(true));
525 var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
526 var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
533 if(minX < maxX && minY < maxY) {
537 var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
538 var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
549 var bgX = Math.ceil(x + this.previewEl.getLeft(true));
550 var bgY = Math.ceil(y + this.previewEl.getTop(true));
552 // bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
553 // bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
555 this.previewEl.setLeft(bgX);
556 this.previewEl.setTop(bgY);
558 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
559 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
562 onMouseUp : function(e)
566 this.dragable = false;
569 onMouseWheel : function(e)
573 this.startScale = this.scale;
574 this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
575 if(!this.zoomable()){
576 this.scale = this.startScale;
585 zoomable : function()
587 var minScale = this.thumbEl.getWidth() / this.minWidth;
589 if(this.minWidth < this.minHeight){
590 minScale = this.thumbEl.getHeight() / this.minHeight;
593 var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
594 var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
596 var maxWidth = this.imageEl.OriginWidth;
597 var maxHeight = this.imageEl.OriginHeight;
601 (this.rotate == 0 || this.rotate == 180) &&
603 width > this.imageEl.OriginWidth ||
604 height > this.imageEl.OriginHeight ||
605 (width < this.minWidth && height < this.minHeight)
613 (this.rotate == 90 || this.rotate == 270) &&
615 width > this.imageEl.OriginWidth ||
616 height > this.imageEl.OriginHeight ||
617 (width < this.minHeight && height < this.minWidth)
625 (this.rotate == 0 || this.rotate == 180) &&
627 width < this.minWidth ||
628 height < this.minHeight ||
638 (this.rotate == 90 || this.rotate == 270) &&
640 width < this.minHeight ||
641 width > this.imageEl.OriginWidth ||
642 height < this.minWidth ||
643 height > this.imageEl.OriginHeight
653 onRotateLeft : function(e)
655 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
657 var minScale = this.thumbEl.getWidth() / this.minWidth;
659 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
660 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
662 this.startScale = this.scale;
664 while (this.getScaleLevel() < minScale){
666 this.scale = this.scale + 1;
668 if(!this.zoomable()){
673 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
674 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
679 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
686 this.scale = this.startScale;
693 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
696 this.setThumbBoxSize();
697 this.setThumbBoxPosition();
698 this.setCanvasPosition();
703 this.fireEvent('rotate', this, 'left');
707 onRotateRight : function(e)
709 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
711 var minScale = this.thumbEl.getWidth() / this.minWidth;
713 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
714 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
716 this.startScale = this.scale;
718 while (this.getScaleLevel() < minScale){
720 this.scale = this.scale + 1;
722 if(!this.zoomable()){
727 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
728 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
733 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
740 this.scale = this.startScale;
747 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
750 this.setThumbBoxSize();
751 this.setThumbBoxPosition();
752 this.setCanvasPosition();
757 this.fireEvent('rotate', this, 'right');
760 onRotateFail : function()
762 this.errorEl.show(true);
766 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
772 this.previewEl.dom.innerHTML = '';
774 var canvasEl = document.createElement("canvas");
776 var contextEl = canvasEl.getContext("2d");
778 console.log(this.getScaleLevel());
780 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
781 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
782 var center = this.imageEl.OriginWidth / 2;
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;
790 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
792 contextEl.translate(center, center);
793 contextEl.rotate(this.rotate * Math.PI / 180);
795 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
797 this.canvasEl = document.createElement("canvas");
799 this.contextEl = this.canvasEl.getContext("2d");
801 switch (this.rotate) {
804 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
805 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
807 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
812 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
813 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
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);
820 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
825 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
826 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
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);
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);
838 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
839 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
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);
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);
853 this.previewEl.appendChild(this.canvasEl);
855 this.setCanvasPosition();
860 if(!this.canvasLoaded){
864 var imageCanvas = document.createElement("canvas");
866 var imageContext = imageCanvas.getContext("2d");
868 imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
869 imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
871 var center = imageCanvas.width / 2;
873 imageContext.translate(center, center);
875 imageContext.rotate(this.rotate * Math.PI / 180);
877 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
879 var canvas = document.createElement("canvas");
881 var context = canvas.getContext("2d");
883 canvas.width = this.minWidth;
884 canvas.height = this.minHeight;
886 switch (this.rotate) {
889 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
890 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
892 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
893 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
895 var targetWidth = this.minWidth - 2 * x;
896 var targetHeight = this.minHeight - 2 * y;
900 if((x == 0 && y == 0) || (x == 0 && y > 0)){
901 scale = targetWidth / width;
905 scale = targetHeight / height;
909 scale = targetWidth / width;
912 scale = targetHeight / height;
916 context.scale(scale, scale);
918 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
919 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
921 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
922 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
924 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
929 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
930 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
932 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
933 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
935 var targetWidth = this.minWidth - 2 * x;
936 var targetHeight = this.minHeight - 2 * y;
940 if((x == 0 && y == 0) || (x == 0 && y > 0)){
941 scale = targetWidth / width;
945 scale = targetHeight / height;
949 scale = targetWidth / width;
952 scale = targetHeight / height;
956 context.scale(scale, scale);
958 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
959 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
961 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
962 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
964 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
966 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
971 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
972 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
974 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
975 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
977 var targetWidth = this.minWidth - 2 * x;
978 var targetHeight = this.minHeight - 2 * y;
982 if((x == 0 && y == 0) || (x == 0 && y > 0)){
983 scale = targetWidth / width;
987 scale = targetHeight / height;
991 scale = targetWidth / width;
994 scale = targetHeight / height;
998 context.scale(scale, scale);
1000 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1001 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1003 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1004 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1006 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1007 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1009 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1014 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1015 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1017 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1018 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1020 var targetWidth = this.minWidth - 2 * x;
1021 var targetHeight = this.minHeight - 2 * y;
1025 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1026 scale = targetWidth / width;
1029 if(x > 0 && y == 0){
1030 scale = targetHeight / height;
1034 scale = targetWidth / width;
1037 scale = targetHeight / height;
1041 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));
1046 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1047 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1049 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1051 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1058 this.cropData = canvas.toDataURL(this.cropType);
1060 if(this.fireEvent('crop', this, this.cropData) !== false){
1061 this.process(this.file, this.cropData);
1068 setThumbBoxSize : function()
1072 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1073 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1074 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1076 this.minWidth = width;
1077 this.minHeight = height;
1079 if(this.rotate == 90 || this.rotate == 270){
1080 this.minWidth = height;
1081 this.minHeight = width;
1086 width = Math.ceil(this.minWidth * height / this.minHeight);
1088 if(this.minWidth > this.minHeight){
1090 height = Math.ceil(this.minHeight * width / this.minWidth);
1093 this.thumbEl.setStyle({
1094 width : width + 'px',
1095 height : height + 'px'
1102 setThumbBoxPosition : function()
1104 console.log("SET THUMBBOX POSITION");
1105 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1106 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1108 this.thumbEl.setLeft(x);
1109 this.thumbEl.setTop(y);
1113 baseRotateLevel : function()
1115 console.log("BASE ROTATE LEVEL");
1116 this.baseRotate = 1;
1119 typeof(this.exif) != 'undefined' &&
1120 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1121 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1123 this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1126 this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1130 baseScaleLevel : function()
1132 console.log("BASE SCALE LEVEL");
1135 if(this.isDocument){
1137 if(this.baseRotate == 6 || this.baseRotate == 8){
1139 height = this.thumbEl.getHeight();
1140 this.baseScale = height / this.imageEl.OriginWidth;
1142 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1143 width = this.thumbEl.getWidth();
1144 this.baseScale = width / this.imageEl.OriginHeight;
1150 height = this.thumbEl.getHeight();
1151 this.baseScale = height / this.imageEl.OriginHeight;
1153 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1154 width = this.thumbEl.getWidth();
1155 this.baseScale = width / this.imageEl.OriginWidth;
1161 if(this.baseRotate == 6 || this.baseRotate == 8){
1163 width = this.thumbEl.getHeight();
1164 this.baseScale = width / this.imageEl.OriginHeight;
1166 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1167 height = this.thumbEl.getWidth();
1168 this.baseScale = height / this.imageEl.OriginHeight;
1171 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1172 height = this.thumbEl.getWidth();
1173 this.baseScale = height / this.imageEl.OriginHeight;
1175 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1176 width = this.thumbEl.getHeight();
1177 this.baseScale = width / this.imageEl.OriginWidth;
1184 width = this.thumbEl.getWidth();
1185 this.baseScale = width / this.imageEl.OriginWidth;
1187 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1188 height = this.thumbEl.getHeight();
1189 this.baseScale = height / this.imageEl.OriginHeight;
1192 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1194 height = this.thumbEl.getHeight();
1195 this.baseScale = height / this.imageEl.OriginHeight;
1197 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1198 width = this.thumbEl.getWidth();
1199 this.baseScale = width / this.imageEl.OriginWidth;
1204 if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1205 this.baseScale = width / this.minWidth;
1207 console.log(this.baseScale);
1211 getScaleLevel : function()
1213 return this.baseScale * Math.pow(1.02, this.scale);
1216 onTouchStart : function(e)
1218 if(!this.canvasLoaded){
1219 this.beforeSelectFile(e);
1223 var touches = e.browserEvent.touches;
1229 if(touches.length == 1){
1230 this.onMouseDown(e);
1234 if(touches.length != 2){
1240 for(var i = 0, finger; finger = touches[i]; i++){
1241 coords.push(finger.pageX, finger.pageY);
1244 var x = Math.pow(coords[0] - coords[2], 2);
1245 var y = Math.pow(coords[1] - coords[3], 2);
1247 this.startDistance = Math.sqrt(x + y);
1249 this.startScale = this.scale;
1251 this.pinching = true;
1252 this.dragable = false;
1256 onTouchMove : function(e)
1258 if(!this.pinching && !this.dragable){
1262 var touches = e.browserEvent.touches;
1269 this.onMouseMove(e);
1275 for(var i = 0, finger; finger = touches[i]; i++){
1276 coords.push(finger.pageX, finger.pageY);
1279 var x = Math.pow(coords[0] - coords[2], 2);
1280 var y = Math.pow(coords[1] - coords[3], 2);
1282 this.endDistance = Math.sqrt(x + y);
1284 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1286 if(!this.zoomable()){
1287 this.scale = this.startScale;
1295 onTouchEnd : function(e)
1297 this.pinching = false;
1298 this.dragable = false;
1302 process : function(file, crop)
1305 this.maskEl.mask(this.loadingText);
1308 this.xhr = new XMLHttpRequest();
1310 file.xhr = this.xhr;
1312 this.xhr.open(this.method, this.url, true);
1315 "Accept": "application/json",
1316 "Cache-Control": "no-cache",
1317 "X-Requested-With": "XMLHttpRequest"
1320 for (var headerName in headers) {
1321 var headerValue = headers[headerName];
1323 this.xhr.setRequestHeader(headerName, headerValue);
1329 this.xhr.onload = function()
1331 _this.xhrOnLoad(_this.xhr);
1334 this.xhr.onerror = function()
1336 _this.xhrOnError(_this.xhr);
1339 var formData = new FormData();
1341 formData.append('returnHTML', 'NO');
1344 formData.append('crop', crop);
1347 if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1348 formData.append(this.paramName, file, file.name);
1351 if(typeof(file.filename) != 'undefined'){
1352 formData.append('filename', file.filename);
1355 if(typeof(file.mimetype) != 'undefined'){
1356 formData.append('mimetype', file.mimetype);
1359 if(this.fireEvent('arrange', this, formData) != false){
1360 this.xhr.send(formData);
1364 xhrOnLoad : function(xhr)
1367 this.maskEl.unmask();
1370 if (xhr.readyState !== 4) {
1371 this.fireEvent('exception', this, xhr);
1375 var response = Roo.decode(xhr.responseText);
1377 if(!response.success){
1378 this.fireEvent('exception', this, xhr);
1382 var response = Roo.decode(xhr.responseText);
1384 this.fireEvent('upload', this, response);
1388 xhrOnError : function()
1391 this.maskEl.unmask();
1394 Roo.log('xhr on error');
1396 var response = Roo.decode(xhr.responseText);
1402 prepare : function(file)
1404 console.log("PREPARE");
1407 this.maskEl.mask(this.loadingText);
1413 if(typeof(file) === 'string'){
1414 this.loadCanvas(file);
1418 if(!file || !this.urlAPI){
1423 this.cropType = file.type;
1427 if(this.fireEvent('prepare', this, this.file) != false){
1429 var reader = new FileReader();
1431 reader.onload = function (e) {
1432 if (e.target.error) {
1433 Roo.log(e.target.error);
1437 var buffer = e.target.result,
1438 dataView = new DataView(buffer),
1440 maxOffset = dataView.byteLength - 4,
1444 if (dataView.getUint16(0) === 0xffd8) {
1445 while (offset < maxOffset) {
1446 markerBytes = dataView.getUint16(offset);
1448 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1449 markerLength = dataView.getUint16(offset + 2) + 2;
1450 if (offset + markerLength > dataView.byteLength) {
1451 Roo.log('Invalid meta data: Invalid segment size.');
1455 if(markerBytes == 0xffe1){
1456 _this.parseExifData(
1463 offset += markerLength;
1473 var url = _this.urlAPI.createObjectURL(_this.file);
1475 _this.loadCanvas(url);
1480 reader.readAsArrayBuffer(this.file);
1486 parseExifData : function(dataView, offset, length)
1488 var tiffOffset = offset + 10,
1492 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1493 // No Exif data, might be XMP data instead
1497 // Check for the ASCII code for "Exif" (0x45786966):
1498 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1499 // No Exif data, might be XMP data instead
1502 if (tiffOffset + 8 > dataView.byteLength) {
1503 Roo.log('Invalid Exif data: Invalid segment size.');
1506 // Check for the two null bytes:
1507 if (dataView.getUint16(offset + 8) !== 0x0000) {
1508 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1511 // Check the byte alignment:
1512 switch (dataView.getUint16(tiffOffset)) {
1514 littleEndian = true;
1517 littleEndian = false;
1520 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1523 // Check for the TIFF tag marker (0x002A):
1524 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1525 Roo.log('Invalid Exif data: Missing TIFF marker.');
1528 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1529 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1534 tiffOffset + dirOffset,
1539 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1544 if (dirOffset + 6 > dataView.byteLength) {
1545 Roo.log('Invalid Exif data: Invalid directory offset.');
1548 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1549 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1550 if (dirEndOffset + 4 > dataView.byteLength) {
1551 Roo.log('Invalid Exif data: Invalid directory size.');
1554 for (i = 0; i < tagsNumber; i += 1) {
1558 dirOffset + 2 + 12 * i, // tag offset
1562 // Return the offset to the next directory:
1563 return dataView.getUint32(dirEndOffset, littleEndian);
1566 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1568 var tag = dataView.getUint16(offset, littleEndian);
1570 this.exif[tag] = this.getExifValue(
1574 dataView.getUint16(offset + 2, littleEndian), // tag type
1575 dataView.getUint32(offset + 4, littleEndian), // tag length
1580 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1582 var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1591 Roo.log('Invalid Exif data: Invalid tag type.');
1595 tagSize = tagType.size * length;
1596 // Determine if the value is contained in the dataOffset bytes,
1597 // or if the value at the dataOffset is a pointer to the actual data:
1598 dataOffset = tagSize > 4 ?
1599 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1600 if (dataOffset + tagSize > dataView.byteLength) {
1601 Roo.log('Invalid Exif data: Invalid data offset.');
1605 return tagType.getValue(dataView, dataOffset, littleEndian);
1608 for (i = 0; i < length; i += 1) {
1609 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1612 if (tagType.ascii) {
1614 // Concatenate the chars:
1615 for (i = 0; i < values.length; i += 1) {
1617 // Ignore the terminating NULL byte(s):
1618 if (c === '\u0000') {
1630 Roo.apply(Roo.dialog.UploadCropbox, {
1632 'Orientation': 0x0112
1638 3: 180, //'bottom-right',
1639 // 4: 'bottom-left',
1641 6: 90, //'right-top',
1642 // 7: 'right-bottom',
1643 8: 270 //'left-bottom'
1647 // byte, 8-bit unsigned int:
1649 getValue: function (dataView, dataOffset) {
1650 return dataView.getUint8(dataOffset);
1654 // ascii, 8-bit byte:
1656 getValue: function (dataView, dataOffset) {
1657 return String.fromCharCode(dataView.getUint8(dataOffset));
1662 // short, 16 bit int:
1664 getValue: function (dataView, dataOffset, littleEndian) {
1665 return dataView.getUint16(dataOffset, littleEndian);
1669 // long, 32 bit int:
1671 getValue: function (dataView, dataOffset, littleEndian) {
1672 return dataView.getUint32(dataOffset, littleEndian);
1676 // rational = two long values, first is numerator, second is denominator:
1678 getValue: function (dataView, dataOffset, littleEndian) {
1679 return dataView.getUint32(dataOffset, littleEndian) /
1680 dataView.getUint32(dataOffset + 4, littleEndian);
1684 // slong, 32 bit signed int:
1686 getValue: function (dataView, dataOffset, littleEndian) {
1687 return dataView.getInt32(dataOffset, littleEndian);
1691 // srational, two slongs, first is numerator, second is denominator:
1693 getValue: function (dataView, dataOffset, littleEndian) {
1694 return dataView.getInt32(dataOffset, littleEndian) /
1695 dataView.getInt32(dataOffset + 4, littleEndian);
1705 cls : 'btn-group roo-upload-cropbox-rotate-left',
1706 action : 'rotate-left',
1710 cls : 'btn btn-default',
1711 html : '<i class="fa fa-undo"></i>'
1717 cls : 'btn-group roo-upload-cropbox-picture',
1722 cls : 'btn btn-default',
1723 html : '<i class="fa fa-picture-o"></i>'
1729 cls : 'btn-group roo-upload-cropbox-rotate-right',
1730 action : 'rotate-right',
1734 cls : 'btn btn-default',
1735 html : '<i class="fa fa-repeat"></i>'
1743 cls : 'btn-group roo-upload-cropbox-rotate-left',
1744 action : 'rotate-left',
1748 cls : 'btn btn-default',
1749 html : '<i class="fa fa-undo"></i>'
1755 cls : 'btn-group roo-upload-cropbox-download',
1756 action : 'download',
1760 cls : 'btn btn-default',
1761 html : '<i class="fa fa-download"></i>'
1767 cls : 'btn-group roo-upload-cropbox-crop',
1772 cls : 'btn btn-default',
1773 html : '<i class="fa fa-crop"></i>'
1779 cls : 'btn-group roo-upload-cropbox-trash',
1784 cls : 'btn btn-default',
1785 html : '<i class="fa fa-trash"></i>'
1791 cls : 'btn-group roo-upload-cropbox-rotate-right',
1792 action : 'rotate-right',
1796 cls : 'btn btn-default',
1797 html : '<i class="fa fa-repeat"></i>'
1805 cls : 'btn-group roo-upload-cropbox-rotate-left',
1806 action : 'rotate-left',
1810 cls : 'btn btn-default',
1811 html : '<i class="fa fa-undo"></i>'
1817 cls : 'btn-group roo-upload-cropbox-rotate-right',
1818 action : 'rotate-right',
1822 cls : 'btn btn-default',
1823 html : '<i class="fa fa-repeat"></i>'