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));
520 var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
521 var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
535 var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
536 var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
541 var bgX = Math.ceil(x + this.previewEl.getLeft(true));
542 var bgY = Math.ceil(y + this.previewEl.getTop(true));
544 bgX = (minX > bgX) ? minX : ((maxX < bgX) ? maxX : bgX);
545 bgY = (minY > bgY) ? minY : ((maxY < bgY) ? maxY : bgY);
547 this.previewEl.setLeft(bgX);
548 this.previewEl.setTop(bgY);
550 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
551 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
554 onMouseUp : function(e)
558 this.dragable = false;
561 onMouseWheel : function(e)
565 this.startScale = this.scale;
566 this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
567 if(!this.zoomable()){
568 this.scale = this.startScale;
577 zoomable : function()
579 var minScale = this.thumbEl.getWidth() / this.minWidth;
581 if(this.minWidth < this.minHeight){
582 minScale = this.thumbEl.getHeight() / this.minHeight;
585 var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
586 var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
588 var maxWidth = this.imageEl.OriginWidth;
589 var maxHeight = this.imageEl.OriginHeight;
593 (this.rotate == 0 || this.rotate == 180) &&
595 width > this.imageEl.OriginWidth ||
596 height > this.imageEl.OriginHeight ||
597 (width < this.minWidth && height < this.minHeight)
605 (this.rotate == 90 || this.rotate == 270) &&
607 width > this.imageEl.OriginWidth ||
608 height > this.imageEl.OriginHeight ||
609 (width < this.minHeight && height < this.minWidth)
617 (this.rotate == 0 || this.rotate == 180) &&
619 width < this.minWidth ||
620 height < this.minHeight ||
630 (this.rotate == 90 || this.rotate == 270) &&
632 width < this.minHeight ||
633 width > this.imageEl.OriginWidth ||
634 height < this.minWidth ||
635 height > this.imageEl.OriginHeight
645 onRotateLeft : function(e)
647 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
649 var minScale = this.thumbEl.getWidth() / this.minWidth;
651 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
652 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
654 this.startScale = this.scale;
656 while (this.getScaleLevel() < minScale){
658 this.scale = this.scale + 1;
660 if(!this.zoomable()){
665 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
666 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
671 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
678 this.scale = this.startScale;
685 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
688 this.setThumbBoxSize();
689 this.setThumbBoxPosition();
690 this.setCanvasPosition();
695 this.fireEvent('rotate', this, 'left');
699 onRotateRight : function(e)
701 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
703 var minScale = this.thumbEl.getWidth() / this.minWidth;
705 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
706 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
708 this.startScale = this.scale;
710 while (this.getScaleLevel() < minScale){
712 this.scale = this.scale + 1;
714 if(!this.zoomable()){
719 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
720 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
725 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
732 this.scale = this.startScale;
739 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
742 this.setThumbBoxSize();
743 this.setThumbBoxPosition();
744 this.setCanvasPosition();
749 this.fireEvent('rotate', this, 'right');
752 onRotateFail : function()
754 this.errorEl.show(true);
758 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
764 this.previewEl.dom.innerHTML = '';
766 var canvasEl = document.createElement("canvas");
768 var contextEl = canvasEl.getContext("2d");
770 console.log(this.getScaleLevel());
772 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
773 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
774 var center = this.imageEl.OriginWidth / 2;
776 if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
777 canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
778 canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
779 center = this.imageEl.OriginHeight / 2;
782 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
784 contextEl.translate(center, center);
785 contextEl.rotate(this.rotate * Math.PI / 180);
787 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
789 this.canvasEl = document.createElement("canvas");
791 this.contextEl = this.canvasEl.getContext("2d");
793 switch (this.rotate) {
796 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
797 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
799 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
804 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
805 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
807 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
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);
812 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
817 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
818 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
820 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
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);
825 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);
830 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
831 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
833 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
834 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
838 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);
845 this.previewEl.appendChild(this.canvasEl);
847 this.setCanvasPosition();
852 if(!this.canvasLoaded){
856 var imageCanvas = document.createElement("canvas");
858 var imageContext = imageCanvas.getContext("2d");
860 imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
861 imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
863 var center = imageCanvas.width / 2;
865 imageContext.translate(center, center);
867 imageContext.rotate(this.rotate * Math.PI / 180);
869 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
871 var canvas = document.createElement("canvas");
873 var context = canvas.getContext("2d");
875 canvas.width = this.minWidth;
876 canvas.height = this.minHeight;
878 switch (this.rotate) {
881 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
882 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
884 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
885 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
887 var targetWidth = this.minWidth - 2 * x;
888 var targetHeight = this.minHeight - 2 * y;
892 if((x == 0 && y == 0) || (x == 0 && y > 0)){
893 scale = targetWidth / width;
897 scale = targetHeight / height;
901 scale = targetWidth / width;
904 scale = targetHeight / height;
908 context.scale(scale, scale);
910 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
911 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
913 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
914 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
916 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
921 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
922 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
924 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
925 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
927 var targetWidth = this.minWidth - 2 * x;
928 var targetHeight = this.minHeight - 2 * y;
932 if((x == 0 && y == 0) || (x == 0 && y > 0)){
933 scale = targetWidth / width;
937 scale = targetHeight / height;
941 scale = targetWidth / width;
944 scale = targetHeight / height;
948 context.scale(scale, scale);
950 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
951 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
953 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
954 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
956 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
958 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
963 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
964 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
966 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
967 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
969 var targetWidth = this.minWidth - 2 * x;
970 var targetHeight = this.minHeight - 2 * y;
974 if((x == 0 && y == 0) || (x == 0 && y > 0)){
975 scale = targetWidth / width;
979 scale = targetHeight / height;
983 scale = targetWidth / width;
986 scale = targetHeight / height;
990 context.scale(scale, scale);
992 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
993 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
995 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
996 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
998 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
999 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
1001 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1006 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
1007 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
1009 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
1010 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
1012 var targetWidth = this.minWidth - 2 * x;
1013 var targetHeight = this.minHeight - 2 * y;
1017 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1018 scale = targetWidth / width;
1021 if(x > 0 && y == 0){
1022 scale = targetHeight / height;
1026 scale = targetWidth / width;
1029 scale = targetHeight / height;
1033 context.scale(scale, scale);
1035 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1036 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1038 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1039 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1041 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1043 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1050 this.cropData = canvas.toDataURL(this.cropType);
1052 if(this.fireEvent('crop', this, this.cropData) !== false){
1053 this.process(this.file, this.cropData);
1060 setThumbBoxSize : function()
1064 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1065 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1066 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1068 this.minWidth = width;
1069 this.minHeight = height;
1071 if(this.rotate == 90 || this.rotate == 270){
1072 this.minWidth = height;
1073 this.minHeight = width;
1078 width = Math.ceil(this.minWidth * height / this.minHeight);
1080 if(this.minWidth > this.minHeight){
1082 height = Math.ceil(this.minHeight * width / this.minWidth);
1085 this.thumbEl.setStyle({
1086 width : width + 'px',
1087 height : height + 'px'
1094 setThumbBoxPosition : function()
1096 console.log("SET THUMBBOX POSITION");
1097 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1098 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1100 this.thumbEl.setLeft(x);
1101 this.thumbEl.setTop(y);
1105 baseRotateLevel : function()
1107 console.log("BASE ROTATE LEVEL");
1108 this.baseRotate = 1;
1111 typeof(this.exif) != 'undefined' &&
1112 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1113 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1115 this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1118 this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1122 baseScaleLevel : function()
1124 console.log("BASE SCALE LEVEL");
1127 if(this.isDocument){
1129 if(this.baseRotate == 6 || this.baseRotate == 8){
1131 height = this.thumbEl.getHeight();
1132 this.baseScale = height / this.imageEl.OriginWidth;
1134 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1135 width = this.thumbEl.getWidth();
1136 this.baseScale = width / this.imageEl.OriginHeight;
1142 height = this.thumbEl.getHeight();
1143 this.baseScale = height / this.imageEl.OriginHeight;
1145 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1146 width = this.thumbEl.getWidth();
1147 this.baseScale = width / this.imageEl.OriginWidth;
1153 if(this.baseRotate == 6 || this.baseRotate == 8){
1155 width = this.thumbEl.getHeight();
1156 this.baseScale = width / this.imageEl.OriginHeight;
1158 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1159 height = this.thumbEl.getWidth();
1160 this.baseScale = height / this.imageEl.OriginHeight;
1163 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1164 height = this.thumbEl.getWidth();
1165 this.baseScale = height / this.imageEl.OriginHeight;
1167 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1168 width = this.thumbEl.getHeight();
1169 this.baseScale = width / this.imageEl.OriginWidth;
1176 width = this.thumbEl.getWidth();
1177 this.baseScale = width / this.imageEl.OriginWidth;
1179 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1180 height = this.thumbEl.getHeight();
1181 this.baseScale = height / this.imageEl.OriginHeight;
1184 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1186 height = this.thumbEl.getHeight();
1187 this.baseScale = height / this.imageEl.OriginHeight;
1189 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1190 width = this.thumbEl.getWidth();
1191 this.baseScale = width / this.imageEl.OriginWidth;
1196 if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1197 this.baseScale = width / this.minWidth;
1199 console.log(this.baseScale);
1203 getScaleLevel : function()
1205 return this.baseScale * Math.pow(1.02, this.scale);
1208 onTouchStart : function(e)
1210 if(!this.canvasLoaded){
1211 this.beforeSelectFile(e);
1215 var touches = e.browserEvent.touches;
1221 if(touches.length == 1){
1222 this.onMouseDown(e);
1226 if(touches.length != 2){
1232 for(var i = 0, finger; finger = touches[i]; i++){
1233 coords.push(finger.pageX, finger.pageY);
1236 var x = Math.pow(coords[0] - coords[2], 2);
1237 var y = Math.pow(coords[1] - coords[3], 2);
1239 this.startDistance = Math.sqrt(x + y);
1241 this.startScale = this.scale;
1243 this.pinching = true;
1244 this.dragable = false;
1248 onTouchMove : function(e)
1250 if(!this.pinching && !this.dragable){
1254 var touches = e.browserEvent.touches;
1261 this.onMouseMove(e);
1267 for(var i = 0, finger; finger = touches[i]; i++){
1268 coords.push(finger.pageX, finger.pageY);
1271 var x = Math.pow(coords[0] - coords[2], 2);
1272 var y = Math.pow(coords[1] - coords[3], 2);
1274 this.endDistance = Math.sqrt(x + y);
1276 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1278 if(!this.zoomable()){
1279 this.scale = this.startScale;
1287 onTouchEnd : function(e)
1289 this.pinching = false;
1290 this.dragable = false;
1294 process : function(file, crop)
1297 this.maskEl.mask(this.loadingText);
1300 this.xhr = new XMLHttpRequest();
1302 file.xhr = this.xhr;
1304 this.xhr.open(this.method, this.url, true);
1307 "Accept": "application/json",
1308 "Cache-Control": "no-cache",
1309 "X-Requested-With": "XMLHttpRequest"
1312 for (var headerName in headers) {
1313 var headerValue = headers[headerName];
1315 this.xhr.setRequestHeader(headerName, headerValue);
1321 this.xhr.onload = function()
1323 _this.xhrOnLoad(_this.xhr);
1326 this.xhr.onerror = function()
1328 _this.xhrOnError(_this.xhr);
1331 var formData = new FormData();
1333 formData.append('returnHTML', 'NO');
1336 formData.append('crop', crop);
1339 if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1340 formData.append(this.paramName, file, file.name);
1343 if(typeof(file.filename) != 'undefined'){
1344 formData.append('filename', file.filename);
1347 if(typeof(file.mimetype) != 'undefined'){
1348 formData.append('mimetype', file.mimetype);
1351 if(this.fireEvent('arrange', this, formData) != false){
1352 this.xhr.send(formData);
1356 xhrOnLoad : function(xhr)
1359 this.maskEl.unmask();
1362 if (xhr.readyState !== 4) {
1363 this.fireEvent('exception', this, xhr);
1367 var response = Roo.decode(xhr.responseText);
1369 if(!response.success){
1370 this.fireEvent('exception', this, xhr);
1374 var response = Roo.decode(xhr.responseText);
1376 this.fireEvent('upload', this, response);
1380 xhrOnError : function()
1383 this.maskEl.unmask();
1386 Roo.log('xhr on error');
1388 var response = Roo.decode(xhr.responseText);
1394 prepare : function(file)
1396 console.log("PREPARE");
1399 this.maskEl.mask(this.loadingText);
1405 if(typeof(file) === 'string'){
1406 this.loadCanvas(file);
1410 if(!file || !this.urlAPI){
1415 this.cropType = file.type;
1419 if(this.fireEvent('prepare', this, this.file) != false){
1421 var reader = new FileReader();
1423 reader.onload = function (e) {
1424 if (e.target.error) {
1425 Roo.log(e.target.error);
1429 var buffer = e.target.result,
1430 dataView = new DataView(buffer),
1432 maxOffset = dataView.byteLength - 4,
1436 if (dataView.getUint16(0) === 0xffd8) {
1437 while (offset < maxOffset) {
1438 markerBytes = dataView.getUint16(offset);
1440 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1441 markerLength = dataView.getUint16(offset + 2) + 2;
1442 if (offset + markerLength > dataView.byteLength) {
1443 Roo.log('Invalid meta data: Invalid segment size.');
1447 if(markerBytes == 0xffe1){
1448 _this.parseExifData(
1455 offset += markerLength;
1465 var url = _this.urlAPI.createObjectURL(_this.file);
1467 _this.loadCanvas(url);
1472 reader.readAsArrayBuffer(this.file);
1478 parseExifData : function(dataView, offset, length)
1480 var tiffOffset = offset + 10,
1484 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1485 // No Exif data, might be XMP data instead
1489 // Check for the ASCII code for "Exif" (0x45786966):
1490 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1491 // No Exif data, might be XMP data instead
1494 if (tiffOffset + 8 > dataView.byteLength) {
1495 Roo.log('Invalid Exif data: Invalid segment size.');
1498 // Check for the two null bytes:
1499 if (dataView.getUint16(offset + 8) !== 0x0000) {
1500 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1503 // Check the byte alignment:
1504 switch (dataView.getUint16(tiffOffset)) {
1506 littleEndian = true;
1509 littleEndian = false;
1512 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1515 // Check for the TIFF tag marker (0x002A):
1516 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1517 Roo.log('Invalid Exif data: Missing TIFF marker.');
1520 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1521 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1526 tiffOffset + dirOffset,
1531 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1536 if (dirOffset + 6 > dataView.byteLength) {
1537 Roo.log('Invalid Exif data: Invalid directory offset.');
1540 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1541 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1542 if (dirEndOffset + 4 > dataView.byteLength) {
1543 Roo.log('Invalid Exif data: Invalid directory size.');
1546 for (i = 0; i < tagsNumber; i += 1) {
1550 dirOffset + 2 + 12 * i, // tag offset
1554 // Return the offset to the next directory:
1555 return dataView.getUint32(dirEndOffset, littleEndian);
1558 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1560 var tag = dataView.getUint16(offset, littleEndian);
1562 this.exif[tag] = this.getExifValue(
1566 dataView.getUint16(offset + 2, littleEndian), // tag type
1567 dataView.getUint32(offset + 4, littleEndian), // tag length
1572 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1574 var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1583 Roo.log('Invalid Exif data: Invalid tag type.');
1587 tagSize = tagType.size * length;
1588 // Determine if the value is contained in the dataOffset bytes,
1589 // or if the value at the dataOffset is a pointer to the actual data:
1590 dataOffset = tagSize > 4 ?
1591 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1592 if (dataOffset + tagSize > dataView.byteLength) {
1593 Roo.log('Invalid Exif data: Invalid data offset.');
1597 return tagType.getValue(dataView, dataOffset, littleEndian);
1600 for (i = 0; i < length; i += 1) {
1601 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1604 if (tagType.ascii) {
1606 // Concatenate the chars:
1607 for (i = 0; i < values.length; i += 1) {
1609 // Ignore the terminating NULL byte(s):
1610 if (c === '\u0000') {
1622 Roo.apply(Roo.dialog.UploadCropbox, {
1624 'Orientation': 0x0112
1630 3: 180, //'bottom-right',
1631 // 4: 'bottom-left',
1633 6: 90, //'right-top',
1634 // 7: 'right-bottom',
1635 8: 270 //'left-bottom'
1639 // byte, 8-bit unsigned int:
1641 getValue: function (dataView, dataOffset) {
1642 return dataView.getUint8(dataOffset);
1646 // ascii, 8-bit byte:
1648 getValue: function (dataView, dataOffset) {
1649 return String.fromCharCode(dataView.getUint8(dataOffset));
1654 // short, 16 bit int:
1656 getValue: function (dataView, dataOffset, littleEndian) {
1657 return dataView.getUint16(dataOffset, littleEndian);
1661 // long, 32 bit int:
1663 getValue: function (dataView, dataOffset, littleEndian) {
1664 return dataView.getUint32(dataOffset, littleEndian);
1668 // rational = two long values, first is numerator, second is denominator:
1670 getValue: function (dataView, dataOffset, littleEndian) {
1671 return dataView.getUint32(dataOffset, littleEndian) /
1672 dataView.getUint32(dataOffset + 4, littleEndian);
1676 // slong, 32 bit signed int:
1678 getValue: function (dataView, dataOffset, littleEndian) {
1679 return dataView.getInt32(dataOffset, littleEndian);
1683 // srational, two slongs, first is numerator, second is denominator:
1685 getValue: function (dataView, dataOffset, littleEndian) {
1686 return dataView.getInt32(dataOffset, littleEndian) /
1687 dataView.getInt32(dataOffset + 4, littleEndian);
1697 cls : 'btn-group roo-upload-cropbox-rotate-left',
1698 action : 'rotate-left',
1702 cls : 'btn btn-default',
1703 html : '<i class="fa fa-undo"></i>'
1709 cls : 'btn-group roo-upload-cropbox-picture',
1714 cls : 'btn btn-default',
1715 html : '<i class="fa fa-picture-o"></i>'
1721 cls : 'btn-group roo-upload-cropbox-rotate-right',
1722 action : 'rotate-right',
1726 cls : 'btn btn-default',
1727 html : '<i class="fa fa-repeat"></i>'
1735 cls : 'btn-group roo-upload-cropbox-rotate-left',
1736 action : 'rotate-left',
1740 cls : 'btn btn-default',
1741 html : '<i class="fa fa-undo"></i>'
1747 cls : 'btn-group roo-upload-cropbox-download',
1748 action : 'download',
1752 cls : 'btn btn-default',
1753 html : '<i class="fa fa-download"></i>'
1759 cls : 'btn-group roo-upload-cropbox-crop',
1764 cls : 'btn btn-default',
1765 html : '<i class="fa fa-crop"></i>'
1771 cls : 'btn-group roo-upload-cropbox-trash',
1776 cls : 'btn btn-default',
1777 html : '<i class="fa fa-trash"></i>'
1783 cls : 'btn-group roo-upload-cropbox-rotate-right',
1784 action : 'rotate-right',
1788 cls : 'btn btn-default',
1789 html : '<i class="fa fa-repeat"></i>'
1797 cls : 'btn-group roo-upload-cropbox-rotate-left',
1798 action : 'rotate-left',
1802 cls : 'btn btn-default',
1803 html : '<i class="fa fa-undo"></i>'
1809 cls : 'btn-group roo-upload-cropbox-rotate-right',
1810 action : 'rotate-right',
1814 cls : 'btn btn-default',
1815 html : '<i class="fa fa-repeat"></i>'