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)
392 if(typeof(this.selectorEl.dom.files) == 'undefined' || !this.selectorEl.dom.files.length){
396 var file = this.selectorEl.dom.files[0];
398 if(this.fireEvent('inspect', this, file) != false){
406 this.fireEvent('trash', this);
409 download : function(e)
411 this.fireEvent('download', this);
414 loadCanvas : function(src)
416 if(this.fireEvent('beforeloadcanvas', this, src) != false){
420 this.imageEl = document.createElement('img');
424 this.imageEl.addEventListener("load", function(){ _this.onLoadCanvas(); });
426 this.imageEl.src = src;
430 onLoadCanvas : function()
432 this.imageEl.OriginWidth = this.imageEl.naturalWidth || this.imageEl.width;
433 this.imageEl.OriginHeight = this.imageEl.naturalHeight || this.imageEl.height;
435 if(this.fireEvent('loadcanvas', this, this.imageEl) != false){
437 this.bodyEl.un('click', this.beforeSelectFile, this);
439 this.notifyEl.hide();
441 this.footerEl.show();
443 this.baseRotateLevel();
446 this.setThumbBoxSize();
449 this.setThumbBoxPosition();
451 this.baseScaleLevel();
457 this.canvasLoaded = true;
462 this.maskEl.unmask();
467 setCanvasPosition : function()
473 var pw = Math.ceil((this.bodyEl.getWidth() - this.canvasEl.width) / 2);
474 var ph = Math.ceil((this.bodyEl.getHeight() - this.canvasEl.height) / 2);
476 this.previewEl.setLeft(pw);
477 this.previewEl.setTop(ph);
481 onMouseDown : function(e)
485 this.dragable = true;
486 this.pinching = false;
488 if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
489 this.dragable = false;
493 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
494 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
498 onMouseMove : function(e)
502 if(!this.canvasLoaded){
510 var minX = Math.ceil(this.thumbEl.getLeft(true));
511 var minY = Math.ceil(this.thumbEl.getTop(true));
513 var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
514 var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
528 var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
529 var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
534 var bgX = Math.ceil(x + this.previewEl.getLeft(true));
535 var bgY = Math.ceil(y + this.previewEl.getTop(true));
537 bgX = (bgX < minX) ? minX : ((bgX > maxX) ? maxX : bgX);
538 bgY = (bgY < minY) ? minY : ((bgY > maxY) ? maxY : bgY);
540 this.previewEl.setLeft(bgX);
541 this.previewEl.setTop(bgY);
543 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
544 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
547 onMouseUp : function(e)
551 this.dragable = false;
554 onMouseWheel : function(e)
558 this.startScale = this.scale;
559 this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
561 if(!this.zoomable()){
562 this.scale = this.startScale;
572 zoomable : function()
574 var minScale = this.thumbEl.getWidth() / this.minWidth;
576 if(this.minWidth < this.minHeight){
577 minScale = this.thumbEl.getHeight() / this.minHeight;
580 var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
581 var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
584 var maxWidth = this.imageEl.OriginWidth;
585 var maxHeight = this.imageEl.OriginHeight;
589 (this.rotate == 0 || this.rotate == 180) &&
591 width > this.imageEl.OriginWidth ||
592 height > this.imageEl.OriginHeight ||
593 (width < this.minWidth && height < this.minHeight)
601 (this.rotate == 90 || this.rotate == 270) &&
603 width > this.imageEl.OriginWidth ||
604 height > this.imageEl.OriginHeight ||
605 (width < this.minHeight && height < this.minWidth)
613 (this.rotate == 0 || this.rotate == 180) &&
615 (this.imageEl.OriginWidth >= this.minWidth) && width < this.minWidth ||
616 (this.imageEl.OriginHeight >= this.minHeight) && height < this.minHeight ||
626 (this.rotate == 90 || this.rotate == 270) &&
628 width < this.minHeight ||
629 width > this.imageEl.OriginWidth ||
630 height < this.minWidth ||
631 height > this.imageEl.OriginHeight
641 onRotateLeft : function(e)
643 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
645 var minScale = this.thumbEl.getWidth() / this.minWidth;
647 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
648 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
650 this.startScale = this.scale;
652 while (this.getScaleLevel() < minScale){
654 this.scale = this.scale + 1;
656 if(!this.zoomable()){
661 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
662 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
667 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
674 this.scale = this.startScale;
681 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
684 this.setThumbBoxSize();
685 this.setThumbBoxPosition();
686 this.setCanvasPosition();
691 this.fireEvent('rotate', this, 'left');
695 onRotateRight : function(e)
697 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
699 var minScale = this.thumbEl.getWidth() / this.minWidth;
701 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
702 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
704 this.startScale = this.scale;
706 while (this.getScaleLevel() < minScale){
708 this.scale = this.scale + 1;
710 if(!this.zoomable()){
715 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
716 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
721 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
728 this.scale = this.startScale;
735 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
738 this.setThumbBoxSize();
739 this.setThumbBoxPosition();
740 this.setCanvasPosition();
745 this.fireEvent('rotate', this, 'right');
748 onRotateFail : function()
750 this.errorEl.show(true);
754 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
759 this.previewEl.dom.innerHTML = '';
761 var canvasEl = document.createElement("canvas");
763 var contextEl = canvasEl.getContext("2d");
765 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
766 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
767 var center = this.imageEl.OriginWidth / 2;
769 if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
770 canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
771 canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
772 center = this.imageEl.OriginHeight / 2;
775 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
777 contextEl.translate(center, center);
778 contextEl.rotate(this.rotate * Math.PI / 180);
780 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
782 this.canvasEl = document.createElement("canvas");
784 this.contextEl = this.canvasEl.getContext("2d");
786 switch (this.rotate) {
789 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
790 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
792 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
797 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
798 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
800 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
801 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);
805 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
810 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
811 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
813 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
814 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);
818 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);
823 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
824 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
826 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
827 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
831 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);
838 this.previewEl.appendChild(this.canvasEl);
840 this.setCanvasPosition();
845 if(!this.canvasLoaded){
849 var imageCanvas = document.createElement("canvas");
851 var imageContext = imageCanvas.getContext("2d");
853 imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
854 imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
856 var center = imageCanvas.width / 2;
858 imageContext.translate(center, center);
860 imageContext.rotate(this.rotate * Math.PI / 180);
862 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
864 var canvas = document.createElement("canvas");
866 var context = canvas.getContext("2d");
868 canvas.width = this.thumbEl.getWidth() / this.getScaleLevel();
870 canvas.height = this.thumbEl.getHeight() / this.getScaleLevel();
872 switch (this.rotate) {
875 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
876 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
878 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
879 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
881 var sx = this.thumbEl.getLeft(true) - this.previewEl.getLeft(true);
882 var sy = this.thumbEl.getTop(true) - this.previewEl.getTop(true);
884 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
885 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
887 if(canvas.width > 1200) {
888 var scale = 1200 / canvas.width;
889 canvas.width = canvas.width * scale;
890 canvas.height = canvas.height * scale;
891 context.scale(scale, scale);
894 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
899 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
900 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
902 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
903 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
905 var targetWidth = this.minWidth - 2 * x;
906 var targetHeight = this.minHeight - 2 * y;
910 if((x == 0 && y == 0) || (x == 0 && y > 0)){
911 scale = targetWidth / width;
915 scale = targetHeight / height;
919 scale = targetWidth / width;
922 scale = targetHeight / height;
926 context.scale(scale, scale);
928 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
929 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
931 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
932 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
934 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
936 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
941 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
942 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
944 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
945 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
947 var targetWidth = this.minWidth - 2 * x;
948 var targetHeight = this.minHeight - 2 * y;
952 if((x == 0 && y == 0) || (x == 0 && y > 0)){
953 scale = targetWidth / width;
957 scale = targetHeight / height;
961 scale = targetWidth / width;
964 scale = targetHeight / height;
968 context.scale(scale, scale);
970 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
971 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
973 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
974 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
976 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
977 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
979 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
984 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
985 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
987 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
988 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
990 var targetWidth = this.minWidth - 2 * x;
991 var targetHeight = this.minHeight - 2 * y;
995 if((x == 0 && y == 0) || (x == 0 && y > 0)){
996 scale = targetWidth / width;
1000 scale = targetHeight / height;
1004 scale = targetWidth / width;
1007 scale = targetHeight / height;
1011 context.scale(scale, scale);
1012 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1013 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1015 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1016 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1018 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1020 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1027 this.cropData = canvas.toDataURL(this.cropType);
1029 if(this.fireEvent('crop', this, this.cropData) !== false){
1030 this.process(this.file, this.cropData);
1037 setThumbBoxSize : function()
1041 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1042 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1043 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1045 this.minWidth = width;
1046 this.minHeight = height;
1048 if(this.rotate == 90 || this.rotate == 270){
1049 this.minWidth = height;
1050 this.minHeight = width;
1055 width = Math.ceil(this.minWidth * height / this.minHeight);
1057 if(this.minWidth > this.minHeight){
1059 height = Math.ceil(this.minHeight * width / this.minWidth);
1062 this.thumbEl.setStyle({
1063 width : width + 'px',
1064 height : height + 'px'
1071 setThumbBoxPosition : function()
1073 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1074 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1076 this.thumbEl.setLeft(x);
1077 this.thumbEl.setTop(y);
1081 baseRotateLevel : function()
1083 this.baseRotate = 1;
1086 typeof(this.exif) != 'undefined' &&
1087 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1088 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1090 this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1093 this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1097 baseScaleLevel : function()
1101 if(this.isDocument){
1103 if(this.baseRotate == 6 || this.baseRotate == 8){
1105 height = this.thumbEl.getHeight();
1106 this.baseScale = height / this.imageEl.OriginWidth;
1108 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1109 width = this.thumbEl.getWidth();
1110 this.baseScale = width / this.imageEl.OriginHeight;
1116 height = this.thumbEl.getHeight();
1117 this.baseScale = height / this.imageEl.OriginHeight;
1119 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1120 width = this.thumbEl.getWidth();
1121 this.baseScale = width / this.imageEl.OriginWidth;
1127 if(this.baseRotate == 6 || this.baseRotate == 8){
1129 width = this.thumbEl.getHeight();
1130 this.baseScale = width / this.imageEl.OriginHeight;
1132 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1133 height = this.thumbEl.getWidth();
1134 this.baseScale = height / this.imageEl.OriginHeight;
1137 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1138 height = this.thumbEl.getWidth();
1139 this.baseScale = height / this.imageEl.OriginHeight;
1141 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1142 width = this.thumbEl.getHeight();
1143 this.baseScale = width / this.imageEl.OriginWidth;
1150 width = this.thumbEl.getWidth();
1151 this.baseScale = width / this.imageEl.OriginWidth;
1153 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1154 height = this.thumbEl.getHeight();
1155 this.baseScale = height / this.imageEl.OriginHeight;
1158 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1160 height = this.thumbEl.getHeight();
1161 this.baseScale = height / this.imageEl.OriginHeight;
1163 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1164 width = this.thumbEl.getWidth();
1165 this.baseScale = width / this.imageEl.OriginWidth;
1170 if(this.imageEl.OriginWidth < this.minWidth || this.imageEl.OriginHeight < this.minHeight) {
1171 this.baseScale = width / this.minWidth;
1177 getScaleLevel : function()
1179 return this.baseScale * Math.pow(1.02, this.scale);
1182 onTouchStart : function(e)
1184 if(!this.canvasLoaded){
1185 this.beforeSelectFile(e);
1189 var touches = e.browserEvent.touches;
1195 if(touches.length == 1){
1196 this.onMouseDown(e);
1200 if(touches.length != 2){
1206 for(var i = 0, finger; finger = touches[i]; i++){
1207 coords.push(finger.pageX, finger.pageY);
1210 var x = Math.pow(coords[0] - coords[2], 2);
1211 var y = Math.pow(coords[1] - coords[3], 2);
1213 this.startDistance = Math.sqrt(x + y);
1215 this.startScale = this.scale;
1217 this.pinching = true;
1218 this.dragable = false;
1222 onTouchMove : function(e)
1224 if(!this.pinching && !this.dragable){
1228 var touches = e.browserEvent.touches;
1235 this.onMouseMove(e);
1241 for(var i = 0, finger; finger = touches[i]; i++){
1242 coords.push(finger.pageX, finger.pageY);
1245 var x = Math.pow(coords[0] - coords[2], 2);
1246 var y = Math.pow(coords[1] - coords[3], 2);
1248 this.endDistance = Math.sqrt(x + y);
1250 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1252 if(!this.zoomable()){
1253 this.scale = this.startScale;
1261 onTouchEnd : function(e)
1263 this.pinching = false;
1264 this.dragable = false;
1268 process : function(file, crop)
1271 this.maskEl.mask(this.loadingText);
1274 this.xhr = new XMLHttpRequest();
1276 file.xhr = this.xhr;
1278 this.xhr.open(this.method, this.url, true);
1281 "Accept": "application/json",
1282 "Cache-Control": "no-cache",
1283 "X-Requested-With": "XMLHttpRequest"
1286 for (var headerName in headers) {
1287 var headerValue = headers[headerName];
1289 this.xhr.setRequestHeader(headerName, headerValue);
1295 this.xhr.onload = function()
1297 _this.xhrOnLoad(_this.xhr);
1300 this.xhr.onerror = function()
1302 _this.xhrOnError(_this.xhr);
1305 var formData = new FormData();
1307 formData.append("onid", "43024");
1308 formData.append("ontable", "pressrelease_boilerplate");
1310 formData.append('returnHTML', 'NO');
1313 formData.append('crop', crop);
1314 var blobBin = atob(crop.split(',')[1]);
1316 for(var i = 0; i < blobBin.length; i++) {
1317 array.push(blobBin.charCodeAt(i));
1319 var croppedFile =new Blob([new Uint8Array(array)], {type: 'image/png'});
1320 formData.append(this.paramName, croppedFile, file.name);
1323 if(typeof(file.filename) != 'undefined'){
1324 formData.append('filename', file.filename);
1327 if(typeof(file.mimetype) != 'undefined'){
1328 formData.append('mimetype', file.mimetype);
1331 if(this.fireEvent('arrange', this, formData) != false){
1332 this.xhr.send(formData);
1336 xhrOnLoad : function(xhr)
1339 this.maskEl.unmask();
1342 if (xhr.readyState !== 4) {
1343 this.fireEvent('exception', this, xhr);
1347 var response = Roo.decode(xhr.responseText);
1349 if(!response.success){
1350 this.fireEvent('exception', this, xhr);
1354 var response = Roo.decode(xhr.responseText);
1356 this.fireEvent('upload', this, response);
1360 xhrOnError : function()
1363 this.maskEl.unmask();
1366 Roo.log('xhr on error');
1368 var response = Roo.decode(xhr.responseText);
1374 prepare : function(file)
1377 this.maskEl.mask(this.loadingText);
1383 if(typeof(file) === 'string'){
1384 this.loadCanvas(file);
1388 if(!file || !this.urlAPI){
1393 this.cropType = file.type;
1397 if(this.fireEvent('prepare', this, this.file) != false){
1399 var reader = new FileReader();
1401 reader.onload = function (e) {
1402 if (e.target.error) {
1403 Roo.log(e.target.error);
1407 var buffer = e.target.result,
1408 dataView = new DataView(buffer),
1410 maxOffset = dataView.byteLength - 4,
1414 if (dataView.getUint16(0) === 0xffd8) {
1415 while (offset < maxOffset) {
1416 markerBytes = dataView.getUint16(offset);
1418 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1419 markerLength = dataView.getUint16(offset + 2) + 2;
1420 if (offset + markerLength > dataView.byteLength) {
1421 Roo.log('Invalid meta data: Invalid segment size.');
1425 if(markerBytes == 0xffe1){
1426 _this.parseExifData(
1433 offset += markerLength;
1443 var url = _this.urlAPI.createObjectURL(_this.file);
1445 _this.loadCanvas(url);
1450 reader.readAsArrayBuffer(this.file);
1456 parseExifData : function(dataView, offset, length)
1458 var tiffOffset = offset + 10,
1462 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1463 // No Exif data, might be XMP data instead
1467 // Check for the ASCII code for "Exif" (0x45786966):
1468 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1469 // No Exif data, might be XMP data instead
1472 if (tiffOffset + 8 > dataView.byteLength) {
1473 Roo.log('Invalid Exif data: Invalid segment size.');
1476 // Check for the two null bytes:
1477 if (dataView.getUint16(offset + 8) !== 0x0000) {
1478 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1481 // Check the byte alignment:
1482 switch (dataView.getUint16(tiffOffset)) {
1484 littleEndian = true;
1487 littleEndian = false;
1490 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1493 // Check for the TIFF tag marker (0x002A):
1494 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1495 Roo.log('Invalid Exif data: Missing TIFF marker.');
1498 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1499 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1504 tiffOffset + dirOffset,
1509 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1514 if (dirOffset + 6 > dataView.byteLength) {
1515 Roo.log('Invalid Exif data: Invalid directory offset.');
1518 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1519 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1520 if (dirEndOffset + 4 > dataView.byteLength) {
1521 Roo.log('Invalid Exif data: Invalid directory size.');
1524 for (i = 0; i < tagsNumber; i += 1) {
1528 dirOffset + 2 + 12 * i, // tag offset
1532 // Return the offset to the next directory:
1533 return dataView.getUint32(dirEndOffset, littleEndian);
1536 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1538 var tag = dataView.getUint16(offset, littleEndian);
1540 this.exif[tag] = this.getExifValue(
1544 dataView.getUint16(offset + 2, littleEndian), // tag type
1545 dataView.getUint32(offset + 4, littleEndian), // tag length
1550 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1552 var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1561 Roo.log('Invalid Exif data: Invalid tag type.');
1565 tagSize = tagType.size * length;
1566 // Determine if the value is contained in the dataOffset bytes,
1567 // or if the value at the dataOffset is a pointer to the actual data:
1568 dataOffset = tagSize > 4 ?
1569 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1570 if (dataOffset + tagSize > dataView.byteLength) {
1571 Roo.log('Invalid Exif data: Invalid data offset.');
1575 return tagType.getValue(dataView, dataOffset, littleEndian);
1578 for (i = 0; i < length; i += 1) {
1579 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1582 if (tagType.ascii) {
1584 // Concatenate the chars:
1585 for (i = 0; i < values.length; i += 1) {
1587 // Ignore the terminating NULL byte(s):
1588 if (c === '\u0000') {
1600 Roo.apply(Roo.dialog.UploadCropbox, {
1602 'Orientation': 0x0112
1608 3: 180, //'bottom-right',
1609 // 4: 'bottom-left',
1611 6: 90, //'right-top',
1612 // 7: 'right-bottom',
1613 8: 270 //'left-bottom'
1617 // byte, 8-bit unsigned int:
1619 getValue: function (dataView, dataOffset) {
1620 return dataView.getUint8(dataOffset);
1624 // ascii, 8-bit byte:
1626 getValue: function (dataView, dataOffset) {
1627 return String.fromCharCode(dataView.getUint8(dataOffset));
1632 // short, 16 bit int:
1634 getValue: function (dataView, dataOffset, littleEndian) {
1635 return dataView.getUint16(dataOffset, littleEndian);
1639 // long, 32 bit int:
1641 getValue: function (dataView, dataOffset, littleEndian) {
1642 return dataView.getUint32(dataOffset, littleEndian);
1646 // rational = two long values, first is numerator, second is denominator:
1648 getValue: function (dataView, dataOffset, littleEndian) {
1649 return dataView.getUint32(dataOffset, littleEndian) /
1650 dataView.getUint32(dataOffset + 4, littleEndian);
1654 // slong, 32 bit signed int:
1656 getValue: function (dataView, dataOffset, littleEndian) {
1657 return dataView.getInt32(dataOffset, littleEndian);
1661 // srational, two slongs, first is numerator, second is denominator:
1663 getValue: function (dataView, dataOffset, littleEndian) {
1664 return dataView.getInt32(dataOffset, littleEndian) /
1665 dataView.getInt32(dataOffset + 4, littleEndian);
1675 cls : 'btn-group roo-upload-cropbox-rotate-left',
1676 action : 'rotate-left',
1680 cls : 'btn btn-default',
1681 html : '<i class="fa fa-undo"></i>'
1687 cls : 'btn-group roo-upload-cropbox-picture',
1692 cls : 'btn btn-default',
1693 html : '<i class="fa fa-picture-o"></i>'
1699 cls : 'btn-group roo-upload-cropbox-rotate-right',
1700 action : 'rotate-right',
1704 cls : 'btn btn-default',
1705 html : '<i class="fa fa-repeat"></i>'
1713 cls : 'btn-group roo-upload-cropbox-rotate-left',
1714 action : 'rotate-left',
1718 cls : 'btn btn-default',
1719 html : '<i class="fa fa-undo"></i>'
1725 cls : 'btn-group roo-upload-cropbox-download',
1726 action : 'download',
1730 cls : 'btn btn-default',
1731 html : '<i class="fa fa-download"></i>'
1737 cls : 'btn-group roo-upload-cropbox-crop',
1742 cls : 'btn btn-default',
1743 html : '<i class="fa fa-crop"></i>'
1749 cls : 'btn-group roo-upload-cropbox-trash',
1754 cls : 'btn btn-default',
1755 html : '<i class="fa fa-trash"></i>'
1761 cls : 'btn-group roo-upload-cropbox-rotate-right',
1762 action : 'rotate-right',
1766 cls : 'btn btn-default',
1767 html : '<i class="fa fa-repeat"></i>'
1775 cls : 'btn-group roo-upload-cropbox-rotate-left',
1776 action : 'rotate-left',
1780 cls : 'btn btn-default',
1781 html : '<i class="fa fa-undo"></i>'
1787 cls : 'btn-group roo-upload-cropbox-rotate-right',
1788 action : 'rotate-right',
1792 cls : 'btn btn-default',
1793 html : '<i class="fa fa-repeat"></i>'