7 * @class Roo.bootstrap.UploadCropbox
8 * @extends Roo.bootstrap.Component
9 * Bootstrap 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.bootstrap.UploadCropbox = function(config){
29 Roo.bootstrap.UploadCropbox.superclass.constructor.call(this, config);
33 * @event beforeselectfile
34 * Fire before select file
35 * @param {Roo.bootstrap.UploadCropbox} this
37 "beforeselectfile" : true,
40 * Fire after initEvent
41 * @param {Roo.bootstrap.UploadCropbox} this
46 * Fire after initEvent
47 * @param {Roo.bootstrap.UploadCropbox} this
48 * @param {String} data
53 * Fire when preparing the file data
54 * @param {Roo.bootstrap.UploadCropbox} this
55 * @param {Object} file
60 * Fire when get exception
61 * @param {Roo.bootstrap.UploadCropbox} this
62 * @param {XMLHttpRequest} xhr
66 * @event beforeloadcanvas
67 * Fire before load the canvas
68 * @param {Roo.bootstrap.UploadCropbox} this
71 "beforeloadcanvas" : true,
74 * Fire when trash image
75 * @param {Roo.bootstrap.UploadCropbox} this
80 * Fire when download the image
81 * @param {Roo.bootstrap.UploadCropbox} this
85 * @event footerbuttonclick
86 * Fire when footerbuttonclick
87 * @param {Roo.bootstrap.UploadCropbox} this
88 * @param {String} type
90 "footerbuttonclick" : true,
94 * @param {Roo.bootstrap.UploadCropbox} this
99 * Fire when rotate the image
100 * @param {Roo.bootstrap.UploadCropbox} this
101 * @param {String} pos
106 * Fire when inspect the file
107 * @param {Roo.bootstrap.UploadCropbox} this
108 * @param {Object} file
113 * Fire when xhr upload the file
114 * @param {Roo.bootstrap.UploadCropbox} this
115 * @param {Object} data
120 * Fire when arrange the file data
121 * @param {Roo.bootstrap.UploadCropbox} this
122 * @param {Object} formData
127 this.buttons = this.buttons || Roo.bootstrap.UploadCropbox.footer.STANDARD;
130 Roo.extend(Roo.bootstrap.UploadCropbox, Roo.bootstrap.Component, {
132 emptyText : 'Click to upload image',
133 rotateNotify : 'Image is too small to rotate',
148 cropType : 'image/jpeg',
150 canvasLoaded : false,
153 paramName : 'imageUpload',
155 loadingText : 'Loading...',
158 getAutoCreate : function()
162 cls : 'roo-upload-cropbox',
166 cls : 'roo-upload-cropbox-selector',
171 cls : 'roo-upload-cropbox-body',
172 style : 'cursor:pointer',
176 cls : 'roo-upload-cropbox-preview'
180 cls : 'roo-upload-cropbox-thumb'
184 cls : 'roo-upload-cropbox-empty-notify',
185 html : this.emptyText
189 cls : 'roo-upload-cropbox-error-notify alert alert-danger',
190 html : this.rotateNotify
196 cls : 'roo-upload-cropbox-footer',
199 cls : 'btn-group btn-group-justified roo-upload-cropbox-btn-group',
209 onRender : function(ct, position)
211 Roo.bootstrap.UploadCropbox.superclass.onRender.call(this, ct, position);
213 if (this.buttons.length) {
215 Roo.each(this.buttons, function(bb) {
217 var btn = this.el.select('.roo-upload-cropbox-footer div.roo-upload-cropbox-btn-group').first().createChild(bb);
219 btn.on('click', this.onFooterButtonClick.createDelegate(this, [bb.action], true));
225 this.maskEl = this.el;
229 initEvents : function()
231 this.urlAPI = (window.createObjectURL && window) ||
232 (window.URL && URL.revokeObjectURL && URL) ||
233 (window.webkitURL && webkitURL);
235 this.bodyEl = this.el.select('.roo-upload-cropbox-body', true).first();
236 this.bodyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
238 this.selectorEl = this.el.select('.roo-upload-cropbox-selector', true).first();
239 this.selectorEl.hide();
241 this.previewEl = this.el.select('.roo-upload-cropbox-preview', true).first();
242 this.previewEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
244 this.thumbEl = this.el.select('.roo-upload-cropbox-thumb', true).first();
245 this.thumbEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
248 this.notifyEl = this.el.select('.roo-upload-cropbox-empty-notify', true).first();
249 this.notifyEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
251 this.errorEl = this.el.select('.roo-upload-cropbox-error-notify', true).first();
252 this.errorEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
255 this.footerEl = this.el.select('.roo-upload-cropbox-footer', true).first();
256 this.footerEl.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
257 this.footerEl.hide();
259 this.setThumbBoxSize();
265 this.fireEvent('initial', this);
272 window.addEventListener("resize", function() { _this.resize(); } );
274 this.bodyEl.on('click', this.beforeSelectFile, this);
277 this.bodyEl.on('touchstart', this.onTouchStart, this);
278 this.bodyEl.on('touchmove', this.onTouchMove, this);
279 this.bodyEl.on('touchend', this.onTouchEnd, this);
283 this.bodyEl.on('mousedown', this.onMouseDown, this);
284 this.bodyEl.on('mousemove', this.onMouseMove, this);
285 var mousewheel = (/Firefox/i.test(navigator.userAgent))? 'DOMMouseScroll' : 'mousewheel';
286 this.bodyEl.on(mousewheel, this.onMouseWheel, this);
287 Roo.get(document).on('mouseup', this.onMouseUp, this);
290 this.selectorEl.on('change', this.onFileSelected, this);
299 this.dragable = false;
300 this.pinching = false;
303 this.cropData = false;
304 this.notifyEl.dom.innerHTML = this.emptyText;
306 this.selectorEl.dom.value = '';
312 if(this.fireEvent('resize', this) != false){
313 this.setThumbBoxPosition();
314 this.setCanvasPosition();
318 onFooterButtonClick : function(e, el, o, type)
322 this.onRotateLeft(e);
324 case 'rotate-right' :
325 this.onRotateRight(e);
328 this.beforeSelectFile(e);
343 this.fireEvent('footerbuttonclick', this, type);
346 beforeSelectFile : function(e)
350 if(this.fireEvent('beforeselectfile', this) != false){
351 this.selectorEl.dom.click();
355 onFileSelected : function(e)
359 if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
363 var file = this.selectorEl.dom.files[0];
365 if(this.fireEvent('inspect', this, file) != false){
373 this.fireEvent('trash', this);
376 download : function(e)
378 this.fireEvent('download', this);
381 loadCanvas : function(src)
383 if(this.fireEvent('beforeloadcanvas', this, src) != false){
387 this.imageEl = document.createElement('img');
391 this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
393 this.imageEl.src = src;
397 onLoadCanvas : function()
399 this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
400 this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
402 this.bodyEl.un('click', this.beforeSelectFile, this);
404 this.notifyEl.hide();
406 this.footerEl.show();
408 this.baseRotateLevel();
411 this.setThumbBoxSize();
414 this.setThumbBoxPosition();
416 this.baseScaleLevel();
422 this.canvasLoaded = true;
425 this.maskEl.unmask();
430 setCanvasPosition : function()
436 var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
437 var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
439 this.previewEl.setLeft(pw);
440 this.previewEl.setTop(ph);
444 onMouseDown : function(e)
448 this.dragable = true;
449 this.pinching = false;
451 if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
452 this.dragable = false;
456 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
457 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
461 onMouseMove : function(e)
465 if(!this.canvasLoaded){
473 var minX = Math.ceil(this.thumbEl.getLeft(true));
474 var minY = Math.ceil(this.thumbEl.getTop(true));
476 var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
477 var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
479 var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
480 var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
485 var bgX = Math.ceil(x + this.previewEl.getLeft(true));
486 var bgY = Math.ceil(y + this.previewEl.getTop(true));
488 bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
489 bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
491 this.previewEl.setLeft(bgX);
492 this.previewEl.setTop(bgY);
494 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
495 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
498 onMouseUp : function(e)
502 this.dragable = false;
505 onMouseWheel : function(e)
509 this.startScale = this.scale;
511 this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
513 if(!this.zoomable()){
514 this.scale = this.startScale;
523 zoomable : function()
525 var minScale = this.thumbEl.getWidth() / this.minWidth;
527 if(this.minWidth < this.minHeight){
528 minScale = this.thumbEl.getHeight() / this.minHeight;
531 var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
532 var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
536 (this.rotate == 0 || this.rotate == 180) &&
538 width > this.imageEl.OriginWidth ||
539 height > this.imageEl.OriginHeight ||
540 (width < this.minWidth && height < this.minHeight)
548 (this.rotate == 90 || this.rotate == 270) &&
550 width > this.imageEl.OriginWidth ||
551 height > this.imageEl.OriginHeight ||
552 (width < this.minHeight && height < this.minWidth)
560 (this.rotate == 0 || this.rotate == 180) &&
562 width < this.minWidth ||
563 width > this.imageEl.OriginWidth ||
564 height < this.minHeight ||
565 height > this.imageEl.OriginHeight
573 (this.rotate == 90 || this.rotate == 270) &&
575 width < this.minHeight ||
576 width > this.imageEl.OriginWidth ||
577 height < this.minWidth ||
578 height > this.imageEl.OriginHeight
588 onRotateLeft : function(e)
590 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
592 var minScale = this.thumbEl.getWidth() / this.minWidth;
594 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
595 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
597 this.startScale = this.scale;
599 while (this.getScaleLevel() < minScale){
601 this.scale = this.scale + 1;
603 if(!this.zoomable()){
608 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
609 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
614 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
621 this.scale = this.startScale;
628 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
631 this.setThumbBoxSize();
632 this.setThumbBoxPosition();
633 this.setCanvasPosition();
638 this.fireEvent('rotate', this, 'left');
642 onRotateRight : function(e)
644 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
646 var minScale = this.thumbEl.getWidth() / this.minWidth;
648 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
649 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
651 this.startScale = this.scale;
653 while (this.getScaleLevel() < minScale){
655 this.scale = this.scale + 1;
657 if(!this.zoomable()){
662 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
663 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
668 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
675 this.scale = this.startScale;
682 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
685 this.setThumbBoxSize();
686 this.setThumbBoxPosition();
687 this.setCanvasPosition();
692 this.fireEvent('rotate', this, 'right');
695 onRotateFail : function()
697 this.errorEl.show(true);
701 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
706 this.previewEl.dom.innerHTML = '';
708 var canvasEl = document.createElement("canvas");
710 var contextEl = canvasEl.getContext("2d");
712 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
713 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
714 var center = this.imageEl.OriginWidth / 2;
716 if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
717 canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
718 canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
719 center = this.imageEl.OriginHeight / 2;
722 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
724 contextEl.translate(center, center);
725 contextEl.rotate(this.rotate * Math.PI / 180);
727 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
729 this.canvasEl = document.createElement("canvas");
731 this.contextEl = this.canvasEl.getContext("2d");
733 switch (this.rotate) {
736 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
737 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
739 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
744 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
745 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
747 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
748 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);
752 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
757 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
758 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
760 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
761 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);
765 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);
770 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
771 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
773 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
774 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
778 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);
785 this.previewEl.appendChild(this.canvasEl);
787 this.setCanvasPosition();
792 if(!this.canvasLoaded){
796 var imageCanvas = document.createElement("canvas");
798 var imageContext = imageCanvas.getContext("2d");
800 imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
801 imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
803 var center = imageCanvas.width / 2;
805 imageContext.translate(center, center);
807 imageContext.rotate(this.rotate * Math.PI / 180);
809 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
811 var canvas = document.createElement("canvas");
813 var context = canvas.getContext("2d");
815 canvas.width = this.minWidth;
816 canvas.height = this.minHeight;
818 switch (this.rotate) {
821 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
822 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
824 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
825 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
827 var targetWidth = this.minWidth - 2 * x;
828 var targetHeight = this.minHeight - 2 * y;
832 if((x == 0 && y == 0) || (x == 0 && y > 0)){
833 scale = targetWidth / width;
837 scale = targetHeight / height;
841 scale = targetWidth / width;
844 scale = targetHeight / height;
848 context.scale(scale, scale);
850 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
851 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
853 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
854 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
856 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
861 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
862 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
864 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
865 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
867 var targetWidth = this.minWidth - 2 * x;
868 var targetHeight = this.minHeight - 2 * y;
872 if((x == 0 && y == 0) || (x == 0 && y > 0)){
873 scale = targetWidth / width;
877 scale = targetHeight / height;
881 scale = targetWidth / width;
884 scale = targetHeight / height;
888 context.scale(scale, scale);
890 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
891 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
893 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
894 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
896 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
898 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
903 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
904 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
906 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
907 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
909 var targetWidth = this.minWidth - 2 * x;
910 var targetHeight = this.minHeight - 2 * y;
914 if((x == 0 && y == 0) || (x == 0 && y > 0)){
915 scale = targetWidth / width;
919 scale = targetHeight / height;
923 scale = targetWidth / width;
926 scale = targetHeight / height;
930 context.scale(scale, scale);
932 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
933 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
935 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
936 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
938 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
939 sy += (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.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
947 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (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 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
983 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
990 this.cropData = canvas.toDataURL(this.cropType);
992 if(this.fireEvent('crop', this, this.cropData) !== false){
993 this.process(this.file, this.cropData);
1000 setThumbBoxSize : function()
1004 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1005 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1006 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1008 this.minWidth = width;
1009 this.minHeight = height;
1011 if(this.rotate == 90 || this.rotate == 270){
1012 this.minWidth = height;
1013 this.minHeight = width;
1018 width = Math.ceil(this.minWidth * height / this.minHeight);
1020 if(this.minWidth > this.minHeight){
1022 height = Math.ceil(this.minHeight * width / this.minWidth);
1025 this.thumbEl.setStyle({
1026 width : width + 'px',
1027 height : height + 'px'
1034 setThumbBoxPosition : function()
1036 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1037 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1039 this.thumbEl.setLeft(x);
1040 this.thumbEl.setTop(y);
1044 baseRotateLevel : function()
1046 this.baseRotate = 1;
1049 typeof(this.exif) != 'undefined' &&
1050 typeof(this.exif[Roo.bootstrap.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1051 [1, 3, 6, 8].indexOf(this.exif[Roo.bootstrap.UploadCropbox['tags']['Orientation']]) != -1
1053 this.baseRotate = this.exif[Roo.bootstrap.UploadCropbox['tags']['Orientation']];
1056 this.rotate = Roo.bootstrap.UploadCropbox['Orientation'][this.baseRotate];
1060 baseScaleLevel : function()
1064 if(this.isDocument){
1066 if(this.baseRotate == 6 || this.baseRotate == 8){
1068 height = this.thumbEl.getHeight();
1069 this.baseScale = height / this.imageEl.OriginWidth;
1071 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1072 width = this.thumbEl.getWidth();
1073 this.baseScale = width / this.imageEl.OriginHeight;
1079 height = this.thumbEl.getHeight();
1080 this.baseScale = height / this.imageEl.OriginHeight;
1082 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1083 width = this.thumbEl.getWidth();
1084 this.baseScale = width / this.imageEl.OriginWidth;
1090 if(this.baseRotate == 6 || this.baseRotate == 8){
1092 width = this.thumbEl.getHeight();
1093 this.baseScale = width / this.imageEl.OriginHeight;
1095 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1096 height = this.thumbEl.getWidth();
1097 this.baseScale = height / this.imageEl.OriginHeight;
1100 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1101 height = this.thumbEl.getWidth();
1102 this.baseScale = height / this.imageEl.OriginHeight;
1104 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1105 width = this.thumbEl.getHeight();
1106 this.baseScale = width / this.imageEl.OriginWidth;
1113 width = this.thumbEl.getWidth();
1114 this.baseScale = width / this.imageEl.OriginWidth;
1116 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1117 height = this.thumbEl.getHeight();
1118 this.baseScale = height / this.imageEl.OriginHeight;
1121 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1123 height = this.thumbEl.getHeight();
1124 this.baseScale = height / this.imageEl.OriginHeight;
1126 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1127 width = this.thumbEl.getWidth();
1128 this.baseScale = width / this.imageEl.OriginWidth;
1136 getScaleLevel : function()
1138 return this.baseScale * Math.pow(1.1, this.scale);
1141 onTouchStart : function(e)
1143 if(!this.canvasLoaded){
1144 this.beforeSelectFile(e);
1148 var touches = e.browserEvent.touches;
1154 if(touches.length == 1){
1155 this.onMouseDown(e);
1159 if(touches.length != 2){
1165 for(var i = 0, finger; finger = touches[i]; i++){
1166 coords.push(finger.pageX, finger.pageY);
1169 var x = Math.pow(coords[0] - coords[2], 2);
1170 var y = Math.pow(coords[1] - coords[3], 2);
1172 this.startDistance = Math.sqrt(x + y);
1174 this.startScale = this.scale;
1176 this.pinching = true;
1177 this.dragable = false;
1181 onTouchMove : function(e)
1183 if(!this.pinching && !this.dragable){
1187 var touches = e.browserEvent.touches;
1194 this.onMouseMove(e);
1200 for(var i = 0, finger; finger = touches[i]; i++){
1201 coords.push(finger.pageX, finger.pageY);
1204 var x = Math.pow(coords[0] - coords[2], 2);
1205 var y = Math.pow(coords[1] - coords[3], 2);
1207 this.endDistance = Math.sqrt(x + y);
1209 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1211 if(!this.zoomable()){
1212 this.scale = this.startScale;
1220 onTouchEnd : function(e)
1222 this.pinching = false;
1223 this.dragable = false;
1227 process : function(file, crop)
1230 this.maskEl.mask(this.loadingText);
1233 this.xhr = new XMLHttpRequest();
1235 file.xhr = this.xhr;
1237 this.xhr.open(this.method, this.url, true);
1240 "Accept": "application/json",
1241 "Cache-Control": "no-cache",
1242 "X-Requested-With": "XMLHttpRequest"
1245 for (var headerName in headers) {
1246 var headerValue = headers[headerName];
1248 this.xhr.setRequestHeader(headerName, headerValue);
1254 this.xhr.onload = function()
1256 _this.xhrOnLoad(_this.xhr);
1259 this.xhr.onerror = function()
1261 _this.xhrOnError(_this.xhr);
1264 var formData = new FormData();
1266 formData.append('returnHTML', 'NO');
1269 formData.append('crop', crop);
1272 if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1273 formData.append(this.paramName, file, file.name);
1276 if(typeof(file.filename) != 'undefined'){
1277 formData.append('filename', file.filename);
1280 if(typeof(file.mimetype) != 'undefined'){
1281 formData.append('mimetype', file.mimetype);
1284 if(this.fireEvent('arrange', this, formData) != false){
1285 this.xhr.send(formData);
1289 xhrOnLoad : function(xhr)
1292 this.maskEl.unmask();
1295 if (xhr.readyState !== 4) {
1296 this.fireEvent('exception', this, xhr);
1300 var response = Roo.decode(xhr.responseText);
1302 if(!response.success){
1303 this.fireEvent('exception', this, xhr);
1307 var response = Roo.decode(xhr.responseText);
1309 this.fireEvent('upload', this, response);
1313 xhrOnError : function()
1316 this.maskEl.unmask();
1319 Roo.log('xhr on error');
1321 var response = Roo.decode(xhr.responseText);
1327 prepare : function(file)
1330 this.maskEl.mask(this.loadingText);
1336 if(typeof(file) === 'string'){
1337 this.loadCanvas(file);
1341 if(!file || !this.urlAPI){
1346 this.cropType = file.type;
1350 if(this.fireEvent('prepare', this, this.file) != false){
1352 var reader = new FileReader();
1354 reader.onload = function (e) {
1355 if (e.target.error) {
1356 Roo.log(e.target.error);
1360 var buffer = e.target.result,
1361 dataView = new DataView(buffer),
1363 maxOffset = dataView.byteLength - 4,
1367 if (dataView.getUint16(0) === 0xffd8) {
1368 while (offset < maxOffset) {
1369 markerBytes = dataView.getUint16(offset);
1371 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1372 markerLength = dataView.getUint16(offset + 2) + 2;
1373 if (offset + markerLength > dataView.byteLength) {
1374 Roo.log('Invalid meta data: Invalid segment size.');
1378 if(markerBytes == 0xffe1){
1379 _this.parseExifData(
1386 offset += markerLength;
1396 var url = _this.urlAPI.createObjectURL(_this.file);
1398 _this.loadCanvas(url);
1403 reader.readAsArrayBuffer(this.file);
1409 parseExifData : function(dataView, offset, length)
1411 var tiffOffset = offset + 10,
1415 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1416 // No Exif data, might be XMP data instead
1420 // Check for the ASCII code for "Exif" (0x45786966):
1421 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1422 // No Exif data, might be XMP data instead
1425 if (tiffOffset + 8 > dataView.byteLength) {
1426 Roo.log('Invalid Exif data: Invalid segment size.');
1429 // Check for the two null bytes:
1430 if (dataView.getUint16(offset + 8) !== 0x0000) {
1431 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1434 // Check the byte alignment:
1435 switch (dataView.getUint16(tiffOffset)) {
1437 littleEndian = true;
1440 littleEndian = false;
1443 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1446 // Check for the TIFF tag marker (0x002A):
1447 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1448 Roo.log('Invalid Exif data: Missing TIFF marker.');
1451 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1452 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1457 tiffOffset + dirOffset,
1462 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1467 if (dirOffset + 6 > dataView.byteLength) {
1468 Roo.log('Invalid Exif data: Invalid directory offset.');
1471 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1472 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1473 if (dirEndOffset + 4 > dataView.byteLength) {
1474 Roo.log('Invalid Exif data: Invalid directory size.');
1477 for (i = 0; i < tagsNumber; i += 1) {
1481 dirOffset + 2 + 12 * i, // tag offset
1485 // Return the offset to the next directory:
1486 return dataView.getUint32(dirEndOffset, littleEndian);
1489 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1491 var tag = dataView.getUint16(offset, littleEndian);
1493 this.exif[tag] = this.getExifValue(
1497 dataView.getUint16(offset + 2, littleEndian), // tag type
1498 dataView.getUint32(offset + 4, littleEndian), // tag length
1503 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1505 var tagType = Roo.bootstrap.UploadCropbox.exifTagTypes[type],
1514 Roo.log('Invalid Exif data: Invalid tag type.');
1518 tagSize = tagType.size * length;
1519 // Determine if the value is contained in the dataOffset bytes,
1520 // or if the value at the dataOffset is a pointer to the actual data:
1521 dataOffset = tagSize > 4 ?
1522 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1523 if (dataOffset + tagSize > dataView.byteLength) {
1524 Roo.log('Invalid Exif data: Invalid data offset.');
1528 return tagType.getValue(dataView, dataOffset, littleEndian);
1531 for (i = 0; i < length; i += 1) {
1532 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1535 if (tagType.ascii) {
1537 // Concatenate the chars:
1538 for (i = 0; i < values.length; i += 1) {
1540 // Ignore the terminating NULL byte(s):
1541 if (c === '\u0000') {
1553 Roo.apply(Roo.bootstrap.UploadCropbox, {
1555 'Orientation': 0x0112
1561 3: 180, //'bottom-right',
1562 // 4: 'bottom-left',
1564 6: 90, //'right-top',
1565 // 7: 'right-bottom',
1566 8: 270 //'left-bottom'
1570 // byte, 8-bit unsigned int:
1572 getValue: function (dataView, dataOffset) {
1573 return dataView.getUint8(dataOffset);
1577 // ascii, 8-bit byte:
1579 getValue: function (dataView, dataOffset) {
1580 return String.fromCharCode(dataView.getUint8(dataOffset));
1585 // short, 16 bit int:
1587 getValue: function (dataView, dataOffset, littleEndian) {
1588 return dataView.getUint16(dataOffset, littleEndian);
1592 // long, 32 bit int:
1594 getValue: function (dataView, dataOffset, littleEndian) {
1595 return dataView.getUint32(dataOffset, littleEndian);
1599 // rational = two long values, first is numerator, second is denominator:
1601 getValue: function (dataView, dataOffset, littleEndian) {
1602 return dataView.getUint32(dataOffset, littleEndian) /
1603 dataView.getUint32(dataOffset + 4, littleEndian);
1607 // slong, 32 bit signed int:
1609 getValue: function (dataView, dataOffset, littleEndian) {
1610 return dataView.getInt32(dataOffset, littleEndian);
1614 // srational, two slongs, first is numerator, second is denominator:
1616 getValue: function (dataView, dataOffset, littleEndian) {
1617 return dataView.getInt32(dataOffset, littleEndian) /
1618 dataView.getInt32(dataOffset + 4, littleEndian);
1628 cls : 'btn-group roo-upload-cropbox-rotate-left',
1629 action : 'rotate-left',
1633 cls : 'btn btn-default',
1634 html : '<i class="fa fa-undo"></i>'
1640 cls : 'btn-group roo-upload-cropbox-picture',
1645 cls : 'btn btn-default',
1646 html : '<i class="fa fa-picture-o"></i>'
1652 cls : 'btn-group roo-upload-cropbox-rotate-right',
1653 action : 'rotate-right',
1657 cls : 'btn btn-default',
1658 html : '<i class="fa fa-repeat"></i>'
1666 cls : 'btn-group roo-upload-cropbox-rotate-left',
1667 action : 'rotate-left',
1671 cls : 'btn btn-default',
1672 html : '<i class="fa fa-undo"></i>'
1678 cls : 'btn-group roo-upload-cropbox-download',
1679 action : 'download',
1683 cls : 'btn btn-default',
1684 html : '<i class="fa fa-download"></i>'
1690 cls : 'btn-group roo-upload-cropbox-crop',
1695 cls : 'btn btn-default',
1696 html : '<i class="fa fa-crop"></i>'
1702 cls : 'btn-group roo-upload-cropbox-trash',
1707 cls : 'btn btn-default',
1708 html : '<i class="fa fa-trash"></i>'
1714 cls : 'btn-group roo-upload-cropbox-rotate-right',
1715 action : 'rotate-right',
1719 cls : 'btn btn-default',
1720 html : '<i class="fa fa-repeat"></i>'
1728 cls : 'btn-group roo-upload-cropbox-rotate-left',
1729 action : 'rotate-left',
1733 cls : 'btn btn-default',
1734 html : '<i class="fa fa-undo"></i>'
1740 cls : 'btn-group roo-upload-cropbox-rotate-right',
1741 action : 'rotate-right',
1745 cls : 'btn btn-default',
1746 html : '<i class="fa fa-repeat"></i>'