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()
477 var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
478 var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
480 this.previewEl.setLeft(pw);
481 this.previewEl.setTop(ph);
485 onMouseDown : function(e)
489 this.dragable = true;
490 this.pinching = false;
492 if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
493 this.dragable = false;
497 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
498 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
502 onMouseMove : function(e)
506 if(!this.canvasLoaded){
514 var minX = Math.ceil(this.thumbEl.getLeft(true));
515 var minY = Math.ceil(this.thumbEl.getTop(true));
517 var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
518 var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
520 var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
521 var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
526 var bgX = Math.ceil(x + this.previewEl.getLeft(true));
527 var bgY = Math.ceil(y + this.previewEl.getTop(true));
529 bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
530 bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
532 this.previewEl.setLeft(bgX);
533 this.previewEl.setTop(bgY);
535 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
536 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
539 onMouseUp : function(e)
543 this.dragable = false;
546 onMouseWheel : function(e)
550 this.startScale = this.scale;
551 this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
552 if(!this.zoomable()){
553 this.scale = this.startScale;
562 zoomable : function()
564 var minScale = this.thumbEl.getWidth() / this.minWidth;
566 if(this.minWidth < this.minHeight){
567 minScale = this.thumbEl.getHeight() / this.minHeight;
570 var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
571 var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
573 var maxWidth = this.imageEl.OriginWidth;
574 var maxHeight = this.imageEl.OriginHeight;
578 (this.rotate == 0 || this.rotate == 180) &&
580 width > this.imageEl.OriginWidth ||
581 height > this.imageEl.OriginHeight ||
582 (width < this.minWidth && height < this.minHeight)
590 (this.rotate == 90 || this.rotate == 270) &&
592 width > this.imageEl.OriginWidth ||
593 height > this.imageEl.OriginHeight ||
594 (width < this.minHeight && height < this.minWidth)
602 (this.rotate == 0 || this.rotate == 180) &&
604 width < this.minWidth ||
605 height < this.minHeight ||
615 (this.rotate == 90 || this.rotate == 270) &&
617 width < this.minHeight ||
618 width > this.imageEl.OriginWidth ||
619 height < this.minWidth ||
620 height > this.imageEl.OriginHeight
630 onRotateLeft : function(e)
632 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
634 var minScale = this.thumbEl.getWidth() / this.minWidth;
636 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
637 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
639 this.startScale = this.scale;
641 while (this.getScaleLevel() < minScale){
643 this.scale = this.scale + 1;
645 if(!this.zoomable()){
650 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
651 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
656 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
663 this.scale = this.startScale;
670 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
673 this.setThumbBoxSize();
674 this.setThumbBoxPosition();
675 this.setCanvasPosition();
680 this.fireEvent('rotate', this, 'left');
684 onRotateRight : function(e)
686 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
688 var minScale = this.thumbEl.getWidth() / this.minWidth;
690 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
691 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
693 this.startScale = this.scale;
695 while (this.getScaleLevel() < minScale){
697 this.scale = this.scale + 1;
699 if(!this.zoomable()){
704 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
705 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
710 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
717 this.scale = this.startScale;
724 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
727 this.setThumbBoxSize();
728 this.setThumbBoxPosition();
729 this.setCanvasPosition();
734 this.fireEvent('rotate', this, 'right');
737 onRotateFail : function()
739 this.errorEl.show(true);
743 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
749 this.previewEl.dom.innerHTML = '';
751 var canvasEl = document.createElement("canvas");
753 var contextEl = canvasEl.getContext("2d");
755 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
756 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
757 var center = this.imageEl.OriginWidth / 2;
759 if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
760 canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
761 canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
762 center = this.imageEl.OriginHeight / 2;
765 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
767 contextEl.translate(center, center);
768 contextEl.rotate(this.rotate * Math.PI / 180);
770 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
772 this.canvasEl = document.createElement("canvas");
774 this.contextEl = this.canvasEl.getContext("2d");
776 switch (this.rotate) {
779 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
780 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
782 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
787 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
788 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
790 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
791 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);
795 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
800 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
801 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
803 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
804 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);
808 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);
813 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
814 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
816 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
817 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
821 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);
828 this.previewEl.appendChild(this.canvasEl);
830 this.setCanvasPosition();
835 if(!this.canvasLoaded){
839 var imageCanvas = document.createElement("canvas");
841 var imageContext = imageCanvas.getContext("2d");
843 imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
844 imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
846 var center = imageCanvas.width / 2;
848 imageContext.translate(center, center);
850 imageContext.rotate(this.rotate * Math.PI / 180);
852 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
854 var canvas = document.createElement("canvas");
856 var context = canvas.getContext("2d");
858 canvas.width = this.minWidth;
859 canvas.height = this.minHeight;
861 switch (this.rotate) {
864 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
865 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
867 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
868 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
870 var targetWidth = this.minWidth - 2 * x;
871 var targetHeight = this.minHeight - 2 * y;
875 if((x == 0 && y == 0) || (x == 0 && y > 0)){
876 scale = targetWidth / width;
880 scale = targetHeight / height;
884 scale = targetWidth / width;
887 scale = targetHeight / height;
891 context.scale(scale, scale);
893 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
894 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
896 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
897 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
899 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
904 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
905 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
907 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
908 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
910 var targetWidth = this.minWidth - 2 * x;
911 var targetHeight = this.minHeight - 2 * y;
915 if((x == 0 && y == 0) || (x == 0 && y > 0)){
916 scale = targetWidth / width;
920 scale = targetHeight / height;
924 scale = targetWidth / width;
927 scale = targetHeight / height;
931 context.scale(scale, scale);
933 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
934 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
936 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
937 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
939 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
941 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
946 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
947 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
949 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
950 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
952 var targetWidth = this.minWidth - 2 * x;
953 var targetHeight = this.minHeight - 2 * y;
957 if((x == 0 && y == 0) || (x == 0 && y > 0)){
958 scale = targetWidth / width;
962 scale = targetHeight / height;
966 scale = targetWidth / width;
969 scale = targetHeight / height;
973 context.scale(scale, scale);
975 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
976 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
978 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
979 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
981 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
982 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
984 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
989 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
990 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
992 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
993 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
995 var targetWidth = this.minWidth - 2 * x;
996 var targetHeight = this.minHeight - 2 * y;
1000 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1001 scale = targetWidth / width;
1004 if(x > 0 && y == 0){
1005 scale = targetHeight / height;
1009 scale = targetWidth / width;
1012 scale = targetHeight / height;
1016 context.scale(scale, scale);
1018 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1019 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1021 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1022 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1024 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1026 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1033 this.cropData = canvas.toDataURL(this.cropType);
1035 if(this.fireEvent('crop', this, this.cropData) !== false){
1036 this.process(this.file, this.cropData);
1043 setThumbBoxSize : function()
1047 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1048 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1049 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1051 this.minWidth = width;
1052 this.minHeight = height;
1054 if(this.rotate == 90 || this.rotate == 270){
1055 this.minWidth = height;
1056 this.minHeight = width;
1061 width = Math.ceil(this.minWidth * height / this.minHeight);
1063 if(this.minWidth > this.minHeight){
1065 height = Math.ceil(this.minHeight * width / this.minWidth);
1068 this.thumbEl.setStyle({
1069 width : width + 'px',
1070 height : height + 'px'
1077 setThumbBoxPosition : function()
1079 console.log("SET THUMBBOX POSITION");
1080 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1081 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1083 this.thumbEl.setLeft(x);
1084 this.thumbEl.setTop(y);
1088 baseRotateLevel : function()
1090 console.log("BASE ROTATE LEVEL");
1091 this.baseRotate = 1;
1094 typeof(this.exif) != 'undefined' &&
1095 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1096 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1098 this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1101 this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1105 baseScaleLevel : function()
1107 console.log("BASE SCALE LEVEL");
1110 if(this.isDocument){
1112 if(this.baseRotate == 6 || this.baseRotate == 8){
1114 height = this.thumbEl.getHeight();
1115 this.baseScale = height / this.imageEl.OriginWidth;
1117 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1118 width = this.thumbEl.getWidth();
1119 this.baseScale = width / this.imageEl.OriginHeight;
1125 height = this.thumbEl.getHeight();
1126 this.baseScale = height / this.imageEl.OriginHeight;
1128 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1129 width = this.thumbEl.getWidth();
1130 this.baseScale = width / this.imageEl.OriginWidth;
1136 if(this.baseRotate == 6 || this.baseRotate == 8){
1138 width = this.thumbEl.getHeight();
1139 this.baseScale = width / this.imageEl.OriginHeight;
1141 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1142 height = this.thumbEl.getWidth();
1143 this.baseScale = height / this.imageEl.OriginHeight;
1146 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1147 height = this.thumbEl.getWidth();
1148 this.baseScale = height / this.imageEl.OriginHeight;
1150 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1151 width = this.thumbEl.getHeight();
1152 this.baseScale = width / this.imageEl.OriginWidth;
1159 width = this.thumbEl.getWidth();
1160 this.baseScale = width / this.imageEl.OriginWidth;
1162 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1163 height = this.thumbEl.getHeight();
1164 this.baseScale = height / this.imageEl.OriginHeight;
1167 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1169 height = this.thumbEl.getHeight();
1170 this.baseScale = height / this.imageEl.OriginHeight;
1172 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1173 width = this.thumbEl.getWidth();
1174 this.baseScale = width / this.imageEl.OriginWidth;
1182 getScaleLevel : function()
1184 return this.baseScale * Math.pow(1.02, this.scale);
1187 onTouchStart : function(e)
1189 if(!this.canvasLoaded){
1190 this.beforeSelectFile(e);
1194 var touches = e.browserEvent.touches;
1200 if(touches.length == 1){
1201 this.onMouseDown(e);
1205 if(touches.length != 2){
1211 for(var i = 0, finger; finger = touches[i]; i++){
1212 coords.push(finger.pageX, finger.pageY);
1215 var x = Math.pow(coords[0] - coords[2], 2);
1216 var y = Math.pow(coords[1] - coords[3], 2);
1218 this.startDistance = Math.sqrt(x + y);
1220 this.startScale = this.scale;
1222 this.pinching = true;
1223 this.dragable = false;
1227 onTouchMove : function(e)
1229 if(!this.pinching && !this.dragable){
1233 var touches = e.browserEvent.touches;
1240 this.onMouseMove(e);
1246 for(var i = 0, finger; finger = touches[i]; i++){
1247 coords.push(finger.pageX, finger.pageY);
1250 var x = Math.pow(coords[0] - coords[2], 2);
1251 var y = Math.pow(coords[1] - coords[3], 2);
1253 this.endDistance = Math.sqrt(x + y);
1255 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1257 if(!this.zoomable()){
1258 this.scale = this.startScale;
1266 onTouchEnd : function(e)
1268 this.pinching = false;
1269 this.dragable = false;
1273 process : function(file, crop)
1276 this.maskEl.mask(this.loadingText);
1279 this.xhr = new XMLHttpRequest();
1281 file.xhr = this.xhr;
1283 this.xhr.open(this.method, this.url, true);
1286 "Accept": "application/json",
1287 "Cache-Control": "no-cache",
1288 "X-Requested-With": "XMLHttpRequest"
1291 for (var headerName in headers) {
1292 var headerValue = headers[headerName];
1294 this.xhr.setRequestHeader(headerName, headerValue);
1300 this.xhr.onload = function()
1302 _this.xhrOnLoad(_this.xhr);
1305 this.xhr.onerror = function()
1307 _this.xhrOnError(_this.xhr);
1310 var formData = new FormData();
1312 formData.append('returnHTML', 'NO');
1315 formData.append('crop', crop);
1318 if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1319 formData.append(this.paramName, file, file.name);
1322 if(typeof(file.filename) != 'undefined'){
1323 formData.append('filename', file.filename);
1326 if(typeof(file.mimetype) != 'undefined'){
1327 formData.append('mimetype', file.mimetype);
1330 if(this.fireEvent('arrange', this, formData) != false){
1331 this.xhr.send(formData);
1335 xhrOnLoad : function(xhr)
1338 this.maskEl.unmask();
1341 if (xhr.readyState !== 4) {
1342 this.fireEvent('exception', this, xhr);
1346 var response = Roo.decode(xhr.responseText);
1348 if(!response.success){
1349 this.fireEvent('exception', this, xhr);
1353 var response = Roo.decode(xhr.responseText);
1355 this.fireEvent('upload', this, response);
1359 xhrOnError : function()
1362 this.maskEl.unmask();
1365 Roo.log('xhr on error');
1367 var response = Roo.decode(xhr.responseText);
1373 prepare : function(file)
1375 console.log("PREPARE");
1378 this.maskEl.mask(this.loadingText);
1384 if(typeof(file) === 'string'){
1385 this.loadCanvas(file);
1389 if(!file || !this.urlAPI){
1394 this.cropType = file.type;
1398 if(this.fireEvent('prepare', this, this.file) != false){
1400 var reader = new FileReader();
1402 reader.onload = function (e) {
1403 if (e.target.error) {
1404 Roo.log(e.target.error);
1408 var buffer = e.target.result,
1409 dataView = new DataView(buffer),
1411 maxOffset = dataView.byteLength - 4,
1415 if (dataView.getUint16(0) === 0xffd8) {
1416 while (offset < maxOffset) {
1417 markerBytes = dataView.getUint16(offset);
1419 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1420 markerLength = dataView.getUint16(offset + 2) + 2;
1421 if (offset + markerLength > dataView.byteLength) {
1422 Roo.log('Invalid meta data: Invalid segment size.');
1426 if(markerBytes == 0xffe1){
1427 _this.parseExifData(
1434 offset += markerLength;
1444 var url = _this.urlAPI.createObjectURL(_this.file);
1446 _this.loadCanvas(url);
1451 reader.readAsArrayBuffer(this.file);
1457 parseExifData : function(dataView, offset, length)
1459 var tiffOffset = offset + 10,
1463 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1464 // No Exif data, might be XMP data instead
1468 // Check for the ASCII code for "Exif" (0x45786966):
1469 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1470 // No Exif data, might be XMP data instead
1473 if (tiffOffset + 8 > dataView.byteLength) {
1474 Roo.log('Invalid Exif data: Invalid segment size.');
1477 // Check for the two null bytes:
1478 if (dataView.getUint16(offset + 8) !== 0x0000) {
1479 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1482 // Check the byte alignment:
1483 switch (dataView.getUint16(tiffOffset)) {
1485 littleEndian = true;
1488 littleEndian = false;
1491 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1494 // Check for the TIFF tag marker (0x002A):
1495 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1496 Roo.log('Invalid Exif data: Missing TIFF marker.');
1499 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1500 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1505 tiffOffset + dirOffset,
1510 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1515 if (dirOffset + 6 > dataView.byteLength) {
1516 Roo.log('Invalid Exif data: Invalid directory offset.');
1519 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1520 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1521 if (dirEndOffset + 4 > dataView.byteLength) {
1522 Roo.log('Invalid Exif data: Invalid directory size.');
1525 for (i = 0; i < tagsNumber; i += 1) {
1529 dirOffset + 2 + 12 * i, // tag offset
1533 // Return the offset to the next directory:
1534 return dataView.getUint32(dirEndOffset, littleEndian);
1537 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1539 var tag = dataView.getUint16(offset, littleEndian);
1541 this.exif[tag] = this.getExifValue(
1545 dataView.getUint16(offset + 2, littleEndian), // tag type
1546 dataView.getUint32(offset + 4, littleEndian), // tag length
1551 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1553 var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1562 Roo.log('Invalid Exif data: Invalid tag type.');
1566 tagSize = tagType.size * length;
1567 // Determine if the value is contained in the dataOffset bytes,
1568 // or if the value at the dataOffset is a pointer to the actual data:
1569 dataOffset = tagSize > 4 ?
1570 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1571 if (dataOffset + tagSize > dataView.byteLength) {
1572 Roo.log('Invalid Exif data: Invalid data offset.');
1576 return tagType.getValue(dataView, dataOffset, littleEndian);
1579 for (i = 0; i < length; i += 1) {
1580 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1583 if (tagType.ascii) {
1585 // Concatenate the chars:
1586 for (i = 0; i < values.length; i += 1) {
1588 // Ignore the terminating NULL byte(s):
1589 if (c === '\u0000') {
1601 Roo.apply(Roo.dialog.UploadCropbox, {
1603 'Orientation': 0x0112
1609 3: 180, //'bottom-right',
1610 // 4: 'bottom-left',
1612 6: 90, //'right-top',
1613 // 7: 'right-bottom',
1614 8: 270 //'left-bottom'
1618 // byte, 8-bit unsigned int:
1620 getValue: function (dataView, dataOffset) {
1621 return dataView.getUint8(dataOffset);
1625 // ascii, 8-bit byte:
1627 getValue: function (dataView, dataOffset) {
1628 return String.fromCharCode(dataView.getUint8(dataOffset));
1633 // short, 16 bit int:
1635 getValue: function (dataView, dataOffset, littleEndian) {
1636 return dataView.getUint16(dataOffset, littleEndian);
1640 // long, 32 bit int:
1642 getValue: function (dataView, dataOffset, littleEndian) {
1643 return dataView.getUint32(dataOffset, littleEndian);
1647 // rational = two long values, first is numerator, second is denominator:
1649 getValue: function (dataView, dataOffset, littleEndian) {
1650 return dataView.getUint32(dataOffset, littleEndian) /
1651 dataView.getUint32(dataOffset + 4, littleEndian);
1655 // slong, 32 bit signed int:
1657 getValue: function (dataView, dataOffset, littleEndian) {
1658 return dataView.getInt32(dataOffset, littleEndian);
1662 // srational, two slongs, first is numerator, second is denominator:
1664 getValue: function (dataView, dataOffset, littleEndian) {
1665 return dataView.getInt32(dataOffset, littleEndian) /
1666 dataView.getInt32(dataOffset + 4, littleEndian);
1676 cls : 'btn-group roo-upload-cropbox-rotate-left',
1677 action : 'rotate-left',
1681 cls : 'btn btn-default',
1682 html : '<i class="fa fa-undo"></i>'
1688 cls : 'btn-group roo-upload-cropbox-picture',
1693 cls : 'btn btn-default',
1694 html : '<i class="fa fa-picture-o"></i>'
1700 cls : 'btn-group roo-upload-cropbox-rotate-right',
1701 action : 'rotate-right',
1705 cls : 'btn btn-default',
1706 html : '<i class="fa fa-repeat"></i>'
1714 cls : 'btn-group roo-upload-cropbox-rotate-left',
1715 action : 'rotate-left',
1719 cls : 'btn btn-default',
1720 html : '<i class="fa fa-undo"></i>'
1726 cls : 'btn-group roo-upload-cropbox-download',
1727 action : 'download',
1731 cls : 'btn btn-default',
1732 html : '<i class="fa fa-download"></i>'
1738 cls : 'btn-group roo-upload-cropbox-crop',
1743 cls : 'btn btn-default',
1744 html : '<i class="fa fa-crop"></i>'
1750 cls : 'btn-group roo-upload-cropbox-trash',
1755 cls : 'btn btn-default',
1756 html : '<i class="fa fa-trash"></i>'
1762 cls : 'btn-group roo-upload-cropbox-rotate-right',
1763 action : 'rotate-right',
1767 cls : 'btn btn-default',
1768 html : '<i class="fa fa-repeat"></i>'
1776 cls : 'btn-group roo-upload-cropbox-rotate-left',
1777 action : 'rotate-left',
1781 cls : 'btn btn-default',
1782 html : '<i class="fa fa-undo"></i>'
1788 cls : 'btn-group roo-upload-cropbox-rotate-right',
1789 action : 'rotate-right',
1793 cls : 'btn btn-default',
1794 html : '<i class="fa fa-repeat"></i>'