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)
490 this.dragable = true;
491 this.pinching = false;
493 if(this.isDocument && (this.canvasEl.width < this.thumbEl.getWidth() || this.canvasEl.height < this.thumbEl.getHeight())){
494 this.dragable = false;
498 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
499 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
503 onMouseMove : function(e)
507 if(!this.canvasLoaded){
515 var minX = Math.ceil(this.thumbEl.getLeft(true));
516 var minY = Math.ceil(this.thumbEl.getTop(true));
518 var maxX = Math.ceil(minX + this.thumbEl.getWidth() - this.canvasEl.width);
519 var maxY = Math.ceil(minY + this.thumbEl.getHeight() - this.canvasEl.height);
521 var x = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
522 var y = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
527 var bgX = Math.ceil(x + this.previewEl.getLeft(true));
528 var bgY = Math.ceil(y + this.previewEl.getTop(true));
530 bgX = (minX < bgX) ? minX : ((maxX > bgX) ? maxX : bgX);
531 bgY = (minY < bgY) ? minY : ((maxY > bgY) ? maxY : bgY);
533 this.previewEl.setLeft(bgX);
534 this.previewEl.setTop(bgY);
536 this.mouseX = Roo.isTouch ? e.browserEvent.touches[0].pageX : e.getPageX();
537 this.mouseY = Roo.isTouch ? e.browserEvent.touches[0].pageY : e.getPageY();
540 onMouseUp : function(e)
544 this.dragable = false;
547 onMouseWheel : function(e)
551 this.startScale = this.scale;
552 this.scale = (e.getWheelDelta() == 1) ? (this.scale + 1) : (this.scale - 1);
553 if(!this.zoomable()){
554 this.scale = this.startScale;
563 zoomable : function()
565 var minScale = this.thumbEl.getWidth() / this.minWidth;
567 if(this.minWidth < this.minHeight){
568 minScale = this.thumbEl.getHeight() / this.minHeight;
571 var width = Math.ceil(this.imageEl.OriginWidth * this.getScaleLevel() / minScale);
572 var height = Math.ceil(this.imageEl.OriginHeight * this.getScaleLevel() / minScale);
574 var maxWidth = this.imageEl.OriginWidth;
575 var maxHeight = this.imageEl.OriginHeight;
579 (this.rotate == 0 || this.rotate == 180) &&
581 width > this.imageEl.OriginWidth ||
582 height > this.imageEl.OriginHeight ||
583 (width < this.minWidth && height < this.minHeight)
591 (this.rotate == 90 || this.rotate == 270) &&
593 width > this.imageEl.OriginWidth ||
594 height > this.imageEl.OriginHeight ||
595 (width < this.minHeight && height < this.minWidth)
603 (this.rotate == 0 || this.rotate == 180) &&
605 width < this.minWidth ||
606 height < this.minHeight ||
616 (this.rotate == 90 || this.rotate == 270) &&
618 width < this.minHeight ||
619 width > this.imageEl.OriginWidth ||
620 height < this.minWidth ||
621 height > this.imageEl.OriginHeight
631 onRotateLeft : function(e)
633 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
635 var minScale = this.thumbEl.getWidth() / this.minWidth;
637 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
638 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
640 this.startScale = this.scale;
642 while (this.getScaleLevel() < minScale){
644 this.scale = this.scale + 1;
646 if(!this.zoomable()){
651 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
652 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
657 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
664 this.scale = this.startScale;
671 this.rotate = (this.rotate < 90) ? 270 : this.rotate - 90;
674 this.setThumbBoxSize();
675 this.setThumbBoxPosition();
676 this.setCanvasPosition();
681 this.fireEvent('rotate', this, 'left');
685 onRotateRight : function(e)
687 if(!this.isDocument && (this.canvasEl.height < this.thumbEl.getWidth() || this.canvasEl.width < this.thumbEl.getHeight())){
689 var minScale = this.thumbEl.getWidth() / this.minWidth;
691 var bw = Math.ceil(this.canvasEl.width / this.getScaleLevel());
692 var bh = Math.ceil(this.canvasEl.height / this.getScaleLevel());
694 this.startScale = this.scale;
696 while (this.getScaleLevel() < minScale){
698 this.scale = this.scale + 1;
700 if(!this.zoomable()){
705 Math.ceil(bw * this.getScaleLevel()) < this.thumbEl.getHeight() ||
706 Math.ceil(bh * this.getScaleLevel()) < this.thumbEl.getWidth()
711 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
718 this.scale = this.startScale;
725 this.rotate = (this.rotate > 180) ? 0 : this.rotate + 90;
728 this.setThumbBoxSize();
729 this.setThumbBoxPosition();
730 this.setCanvasPosition();
735 this.fireEvent('rotate', this, 'right');
738 onRotateFail : function()
740 this.errorEl.show(true);
744 (function() { _this.errorEl.hide(true); }).defer(this.errorTimeout);
750 this.previewEl.dom.innerHTML = '';
752 var canvasEl = document.createElement("canvas");
754 var contextEl = canvasEl.getContext("2d");
756 canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
757 canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
758 var center = this.imageEl.OriginWidth / 2;
760 if(this.imageEl.OriginWidth < this.imageEl.OriginHeight){
761 canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
762 canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
763 center = this.imageEl.OriginHeight / 2;
766 contextEl.scale(this.getScaleLevel(), this.getScaleLevel());
768 contextEl.translate(center, center);
769 contextEl.rotate(this.rotate * Math.PI / 180);
771 contextEl.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
773 this.canvasEl = document.createElement("canvas");
775 this.contextEl = this.canvasEl.getContext("2d");
777 switch (this.rotate) {
780 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
781 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
783 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
788 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
789 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
791 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
792 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);
796 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
801 this.canvasEl.width = this.imageEl.OriginWidth * this.getScaleLevel();
802 this.canvasEl.height = this.imageEl.OriginHeight * this.getScaleLevel();
804 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
805 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);
809 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);
814 this.canvasEl.width = this.imageEl.OriginHeight * this.getScaleLevel();
815 this.canvasEl.height = this.imageEl.OriginWidth * this.getScaleLevel();
817 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
818 this.contextEl.drawImage(canvasEl, 0, 0, this.canvasEl.width, this.canvasEl.height, 0, 0, this.canvasEl.width, this.canvasEl.height);
822 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);
829 this.previewEl.appendChild(this.canvasEl);
831 this.setCanvasPosition();
836 if(!this.canvasLoaded){
840 var imageCanvas = document.createElement("canvas");
842 var imageContext = imageCanvas.getContext("2d");
844 imageCanvas.width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
845 imageCanvas.height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? this.imageEl.OriginWidth : this.imageEl.OriginHeight;
847 var center = imageCanvas.width / 2;
849 imageContext.translate(center, center);
851 imageContext.rotate(this.rotate * Math.PI / 180);
853 imageContext.drawImage(this.imageEl, 0, 0, this.imageEl.OriginWidth, this.imageEl.OriginHeight, center * -1, center * -1, this.imageEl.OriginWidth, this.imageEl.OriginHeight);
855 var canvas = document.createElement("canvas");
857 var context = canvas.getContext("2d");
859 canvas.width = this.minWidth;
860 canvas.height = this.minHeight;
862 switch (this.rotate) {
865 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
866 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
868 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
869 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
871 var targetWidth = this.minWidth - 2 * x;
872 var targetHeight = this.minHeight - 2 * y;
876 if((x == 0 && y == 0) || (x == 0 && y > 0)){
877 scale = targetWidth / width;
881 scale = targetHeight / height;
885 scale = targetWidth / width;
888 scale = targetHeight / height;
892 context.scale(scale, scale);
894 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
895 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
897 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
898 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
900 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
905 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
906 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
908 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
909 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
911 var targetWidth = this.minWidth - 2 * x;
912 var targetHeight = this.minHeight - 2 * y;
916 if((x == 0 && y == 0) || (x == 0 && y > 0)){
917 scale = targetWidth / width;
921 scale = targetHeight / height;
925 scale = targetWidth / width;
928 scale = targetHeight / height;
932 context.scale(scale, scale);
934 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
935 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
937 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
938 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
940 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
942 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
947 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getWidth() / this.getScaleLevel());
948 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getHeight() / this.getScaleLevel());
950 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
951 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
953 var targetWidth = this.minWidth - 2 * x;
954 var targetHeight = this.minHeight - 2 * y;
958 if((x == 0 && y == 0) || (x == 0 && y > 0)){
959 scale = targetWidth / width;
963 scale = targetHeight / height;
967 scale = targetWidth / width;
970 scale = targetHeight / height;
974 context.scale(scale, scale);
976 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
977 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
979 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
980 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
982 sx += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
983 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight) : 0;
985 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
990 var width = (this.thumbEl.getWidth() / this.getScaleLevel() > this.imageEl.OriginHeight) ? this.imageEl.OriginHeight : (this.thumbEl.getWidth() / this.getScaleLevel());
991 var height = (this.thumbEl.getHeight() / this.getScaleLevel() > this.imageEl.OriginWidth) ? this.imageEl.OriginWidth : (this.thumbEl.getHeight() / this.getScaleLevel());
993 var x = (this.thumbEl.getLeft(true) > this.previewEl.getLeft(true)) ? 0 : ((this.previewEl.getLeft(true) - this.thumbEl.getLeft(true)) / this.getScaleLevel());
994 var y = (this.thumbEl.getTop(true) > this.previewEl.getTop(true)) ? 0 : ((this.previewEl.getTop(true) - this.thumbEl.getTop(true)) / this.getScaleLevel());
996 var targetWidth = this.minWidth - 2 * x;
997 var targetHeight = this.minHeight - 2 * y;
1001 if((x == 0 && y == 0) || (x == 0 && y > 0)){
1002 scale = targetWidth / width;
1005 if(x > 0 && y == 0){
1006 scale = targetHeight / height;
1010 scale = targetWidth / width;
1013 scale = targetHeight / height;
1017 context.scale(scale, scale);
1019 var sx = Math.min(this.canvasEl.width - this.thumbEl.getWidth(), this.thumbEl.getLeft(true) - this.previewEl.getLeft(true));
1020 var sy = Math.min(this.canvasEl.height - this.thumbEl.getHeight(), this.thumbEl.getTop(true) - this.previewEl.getTop(true));
1022 sx = sx < 0 ? 0 : (sx / this.getScaleLevel());
1023 sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
1025 sy += (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? 0 : Math.abs(this.imageEl.OriginWidth - this.imageEl.OriginHeight);
1027 context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);
1034 this.cropData = canvas.toDataURL(this.cropType);
1036 if(this.fireEvent('crop', this, this.cropData) !== false){
1037 this.process(this.file, this.cropData);
1044 setThumbBoxSize : function()
1048 if(this.isDocument && typeof(this.imageEl) != 'undefined'){
1049 width = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.max(this.minWidth, this.minHeight) : Math.min(this.minWidth, this.minHeight);
1050 height = (this.imageEl.OriginWidth > this.imageEl.OriginHeight) ? Math.min(this.minWidth, this.minHeight) : Math.max(this.minWidth, this.minHeight);
1052 this.minWidth = width;
1053 this.minHeight = height;
1055 if(this.rotate == 90 || this.rotate == 270){
1056 this.minWidth = height;
1057 this.minHeight = width;
1062 width = Math.ceil(this.minWidth * height / this.minHeight);
1064 if(this.minWidth > this.minHeight){
1066 height = Math.ceil(this.minHeight * width / this.minWidth);
1069 this.thumbEl.setStyle({
1070 width : width + 'px',
1071 height : height + 'px'
1078 setThumbBoxPosition : function()
1080 console.log("SET THUMBBOX POSITION");
1081 var x = Math.ceil((this.bodyEl.getWidth() - this.thumbEl.getWidth()) / 2 );
1082 var y = Math.ceil((this.bodyEl.getHeight() - this.thumbEl.getHeight()) / 2);
1084 this.thumbEl.setLeft(x);
1085 this.thumbEl.setTop(y);
1089 baseRotateLevel : function()
1091 console.log("BASE ROTATE LEVEL");
1092 this.baseRotate = 1;
1095 typeof(this.exif) != 'undefined' &&
1096 typeof(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != 'undefined' &&
1097 [1, 3, 6, 8].indexOf(this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']]) != -1
1099 this.baseRotate = this.exif[Roo.dialog.UploadCropbox['tags']['Orientation']];
1102 this.rotate = Roo.dialog.UploadCropbox['Orientation'][this.baseRotate];
1106 baseScaleLevel : function()
1108 console.log("BASE SCALE LEVEL");
1111 if(this.isDocument){
1113 if(this.baseRotate == 6 || this.baseRotate == 8){
1115 height = this.thumbEl.getHeight();
1116 this.baseScale = height / this.imageEl.OriginWidth;
1118 if(this.imageEl.OriginHeight * this.baseScale > this.thumbEl.getWidth()){
1119 width = this.thumbEl.getWidth();
1120 this.baseScale = width / this.imageEl.OriginHeight;
1126 height = this.thumbEl.getHeight();
1127 this.baseScale = height / this.imageEl.OriginHeight;
1129 if(this.imageEl.OriginWidth * this.baseScale > this.thumbEl.getWidth()){
1130 width = this.thumbEl.getWidth();
1131 this.baseScale = width / this.imageEl.OriginWidth;
1137 if(this.baseRotate == 6 || this.baseRotate == 8){
1139 width = this.thumbEl.getHeight();
1140 this.baseScale = width / this.imageEl.OriginHeight;
1142 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getWidth()){
1143 height = this.thumbEl.getWidth();
1144 this.baseScale = height / this.imageEl.OriginHeight;
1147 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1148 height = this.thumbEl.getWidth();
1149 this.baseScale = height / this.imageEl.OriginHeight;
1151 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getHeight()){
1152 width = this.thumbEl.getHeight();
1153 this.baseScale = width / this.imageEl.OriginWidth;
1160 width = this.thumbEl.getWidth();
1161 this.baseScale = width / this.imageEl.OriginWidth;
1163 if(this.imageEl.OriginHeight * this.baseScale < this.thumbEl.getHeight()){
1164 height = this.thumbEl.getHeight();
1165 this.baseScale = height / this.imageEl.OriginHeight;
1168 if(this.imageEl.OriginWidth > this.imageEl.OriginHeight){
1170 height = this.thumbEl.getHeight();
1171 this.baseScale = height / this.imageEl.OriginHeight;
1173 if(this.imageEl.OriginWidth * this.baseScale < this.thumbEl.getWidth()){
1174 width = this.thumbEl.getWidth();
1175 this.baseScale = width / this.imageEl.OriginWidth;
1180 if(this.imageEl.OriginHeight < this.minHeight) {
1181 this.baseScale = width / this.minHeight;
1187 getScaleLevel : function()
1189 return this.baseScale * Math.pow(1.02, this.scale);
1192 onTouchStart : function(e)
1194 if(!this.canvasLoaded){
1195 this.beforeSelectFile(e);
1199 var touches = e.browserEvent.touches;
1205 if(touches.length == 1){
1206 this.onMouseDown(e);
1210 if(touches.length != 2){
1216 for(var i = 0, finger; finger = touches[i]; i++){
1217 coords.push(finger.pageX, finger.pageY);
1220 var x = Math.pow(coords[0] - coords[2], 2);
1221 var y = Math.pow(coords[1] - coords[3], 2);
1223 this.startDistance = Math.sqrt(x + y);
1225 this.startScale = this.scale;
1227 this.pinching = true;
1228 this.dragable = false;
1232 onTouchMove : function(e)
1234 if(!this.pinching && !this.dragable){
1238 var touches = e.browserEvent.touches;
1245 this.onMouseMove(e);
1251 for(var i = 0, finger; finger = touches[i]; i++){
1252 coords.push(finger.pageX, finger.pageY);
1255 var x = Math.pow(coords[0] - coords[2], 2);
1256 var y = Math.pow(coords[1] - coords[3], 2);
1258 this.endDistance = Math.sqrt(x + y);
1260 this.scale = this.startScale + Math.floor(Math.log(this.endDistance / this.startDistance) / Math.log(1.1));
1262 if(!this.zoomable()){
1263 this.scale = this.startScale;
1271 onTouchEnd : function(e)
1273 this.pinching = false;
1274 this.dragable = false;
1278 process : function(file, crop)
1281 this.maskEl.mask(this.loadingText);
1284 this.xhr = new XMLHttpRequest();
1286 file.xhr = this.xhr;
1288 this.xhr.open(this.method, this.url, true);
1291 "Accept": "application/json",
1292 "Cache-Control": "no-cache",
1293 "X-Requested-With": "XMLHttpRequest"
1296 for (var headerName in headers) {
1297 var headerValue = headers[headerName];
1299 this.xhr.setRequestHeader(headerName, headerValue);
1305 this.xhr.onload = function()
1307 _this.xhrOnLoad(_this.xhr);
1310 this.xhr.onerror = function()
1312 _this.xhrOnError(_this.xhr);
1315 var formData = new FormData();
1317 formData.append('returnHTML', 'NO');
1320 formData.append('crop', crop);
1323 if(typeof(file) != 'undefined' && (typeof(file.id) == 'undefined' || file.id * 1 < 1)){
1324 formData.append(this.paramName, file, file.name);
1327 if(typeof(file.filename) != 'undefined'){
1328 formData.append('filename', file.filename);
1331 if(typeof(file.mimetype) != 'undefined'){
1332 formData.append('mimetype', file.mimetype);
1335 if(this.fireEvent('arrange', this, formData) != false){
1336 this.xhr.send(formData);
1340 xhrOnLoad : function(xhr)
1343 this.maskEl.unmask();
1346 if (xhr.readyState !== 4) {
1347 this.fireEvent('exception', this, xhr);
1351 var response = Roo.decode(xhr.responseText);
1353 if(!response.success){
1354 this.fireEvent('exception', this, xhr);
1358 var response = Roo.decode(xhr.responseText);
1360 this.fireEvent('upload', this, response);
1364 xhrOnError : function()
1367 this.maskEl.unmask();
1370 Roo.log('xhr on error');
1372 var response = Roo.decode(xhr.responseText);
1378 prepare : function(file)
1380 console.log("PREPARE");
1383 this.maskEl.mask(this.loadingText);
1389 if(typeof(file) === 'string'){
1390 this.loadCanvas(file);
1394 if(!file || !this.urlAPI){
1399 this.cropType = file.type;
1403 if(this.fireEvent('prepare', this, this.file) != false){
1405 var reader = new FileReader();
1407 reader.onload = function (e) {
1408 if (e.target.error) {
1409 Roo.log(e.target.error);
1413 var buffer = e.target.result,
1414 dataView = new DataView(buffer),
1416 maxOffset = dataView.byteLength - 4,
1420 if (dataView.getUint16(0) === 0xffd8) {
1421 while (offset < maxOffset) {
1422 markerBytes = dataView.getUint16(offset);
1424 if ((markerBytes >= 0xffe0 && markerBytes <= 0xffef) || markerBytes === 0xfffe) {
1425 markerLength = dataView.getUint16(offset + 2) + 2;
1426 if (offset + markerLength > dataView.byteLength) {
1427 Roo.log('Invalid meta data: Invalid segment size.');
1431 if(markerBytes == 0xffe1){
1432 _this.parseExifData(
1439 offset += markerLength;
1449 var url = _this.urlAPI.createObjectURL(_this.file);
1451 _this.loadCanvas(url);
1456 reader.readAsArrayBuffer(this.file);
1462 parseExifData : function(dataView, offset, length)
1464 var tiffOffset = offset + 10,
1468 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1469 // No Exif data, might be XMP data instead
1473 // Check for the ASCII code for "Exif" (0x45786966):
1474 if (dataView.getUint32(offset + 4) !== 0x45786966) {
1475 // No Exif data, might be XMP data instead
1478 if (tiffOffset + 8 > dataView.byteLength) {
1479 Roo.log('Invalid Exif data: Invalid segment size.');
1482 // Check for the two null bytes:
1483 if (dataView.getUint16(offset + 8) !== 0x0000) {
1484 Roo.log('Invalid Exif data: Missing byte alignment offset.');
1487 // Check the byte alignment:
1488 switch (dataView.getUint16(tiffOffset)) {
1490 littleEndian = true;
1493 littleEndian = false;
1496 Roo.log('Invalid Exif data: Invalid byte alignment marker.');
1499 // Check for the TIFF tag marker (0x002A):
1500 if (dataView.getUint16(tiffOffset + 2, littleEndian) !== 0x002A) {
1501 Roo.log('Invalid Exif data: Missing TIFF marker.');
1504 // Retrieve the directory offset bytes, usually 0x00000008 or 8 decimal:
1505 dirOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
1510 tiffOffset + dirOffset,
1515 parseExifTags : function(dataView, tiffOffset, dirOffset, littleEndian)
1520 if (dirOffset + 6 > dataView.byteLength) {
1521 Roo.log('Invalid Exif data: Invalid directory offset.');
1524 tagsNumber = dataView.getUint16(dirOffset, littleEndian);
1525 dirEndOffset = dirOffset + 2 + 12 * tagsNumber;
1526 if (dirEndOffset + 4 > dataView.byteLength) {
1527 Roo.log('Invalid Exif data: Invalid directory size.');
1530 for (i = 0; i < tagsNumber; i += 1) {
1534 dirOffset + 2 + 12 * i, // tag offset
1538 // Return the offset to the next directory:
1539 return dataView.getUint32(dirEndOffset, littleEndian);
1542 parseExifTag : function (dataView, tiffOffset, offset, littleEndian)
1544 var tag = dataView.getUint16(offset, littleEndian);
1546 this.exif[tag] = this.getExifValue(
1550 dataView.getUint16(offset + 2, littleEndian), // tag type
1551 dataView.getUint32(offset + 4, littleEndian), // tag length
1556 getExifValue : function (dataView, tiffOffset, offset, type, length, littleEndian)
1558 var tagType = Roo.dialog.UploadCropbox.exifTagTypes[type],
1567 Roo.log('Invalid Exif data: Invalid tag type.');
1571 tagSize = tagType.size * length;
1572 // Determine if the value is contained in the dataOffset bytes,
1573 // or if the value at the dataOffset is a pointer to the actual data:
1574 dataOffset = tagSize > 4 ?
1575 tiffOffset + dataView.getUint32(offset + 8, littleEndian) : (offset + 8);
1576 if (dataOffset + tagSize > dataView.byteLength) {
1577 Roo.log('Invalid Exif data: Invalid data offset.');
1581 return tagType.getValue(dataView, dataOffset, littleEndian);
1584 for (i = 0; i < length; i += 1) {
1585 values[i] = tagType.getValue(dataView, dataOffset + i * tagType.size, littleEndian);
1588 if (tagType.ascii) {
1590 // Concatenate the chars:
1591 for (i = 0; i < values.length; i += 1) {
1593 // Ignore the terminating NULL byte(s):
1594 if (c === '\u0000') {
1606 Roo.apply(Roo.dialog.UploadCropbox, {
1608 'Orientation': 0x0112
1614 3: 180, //'bottom-right',
1615 // 4: 'bottom-left',
1617 6: 90, //'right-top',
1618 // 7: 'right-bottom',
1619 8: 270 //'left-bottom'
1623 // byte, 8-bit unsigned int:
1625 getValue: function (dataView, dataOffset) {
1626 return dataView.getUint8(dataOffset);
1630 // ascii, 8-bit byte:
1632 getValue: function (dataView, dataOffset) {
1633 return String.fromCharCode(dataView.getUint8(dataOffset));
1638 // short, 16 bit int:
1640 getValue: function (dataView, dataOffset, littleEndian) {
1641 return dataView.getUint16(dataOffset, littleEndian);
1645 // long, 32 bit int:
1647 getValue: function (dataView, dataOffset, littleEndian) {
1648 return dataView.getUint32(dataOffset, littleEndian);
1652 // rational = two long values, first is numerator, second is denominator:
1654 getValue: function (dataView, dataOffset, littleEndian) {
1655 return dataView.getUint32(dataOffset, littleEndian) /
1656 dataView.getUint32(dataOffset + 4, littleEndian);
1660 // slong, 32 bit signed int:
1662 getValue: function (dataView, dataOffset, littleEndian) {
1663 return dataView.getInt32(dataOffset, littleEndian);
1667 // srational, two slongs, first is numerator, second is denominator:
1669 getValue: function (dataView, dataOffset, littleEndian) {
1670 return dataView.getInt32(dataOffset, littleEndian) /
1671 dataView.getInt32(dataOffset + 4, littleEndian);
1681 cls : 'btn-group roo-upload-cropbox-rotate-left',
1682 action : 'rotate-left',
1686 cls : 'btn btn-default',
1687 html : '<i class="fa fa-undo"></i>'
1693 cls : 'btn-group roo-upload-cropbox-picture',
1698 cls : 'btn btn-default',
1699 html : '<i class="fa fa-picture-o"></i>'
1705 cls : 'btn-group roo-upload-cropbox-rotate-right',
1706 action : 'rotate-right',
1710 cls : 'btn btn-default',
1711 html : '<i class="fa fa-repeat"></i>'
1719 cls : 'btn-group roo-upload-cropbox-rotate-left',
1720 action : 'rotate-left',
1724 cls : 'btn btn-default',
1725 html : '<i class="fa fa-undo"></i>'
1731 cls : 'btn-group roo-upload-cropbox-download',
1732 action : 'download',
1736 cls : 'btn btn-default',
1737 html : '<i class="fa fa-download"></i>'
1743 cls : 'btn-group roo-upload-cropbox-crop',
1748 cls : 'btn btn-default',
1749 html : '<i class="fa fa-crop"></i>'
1755 cls : 'btn-group roo-upload-cropbox-trash',
1760 cls : 'btn btn-default',
1761 html : '<i class="fa fa-trash"></i>'
1767 cls : 'btn-group roo-upload-cropbox-rotate-right',
1768 action : 'rotate-right',
1772 cls : 'btn btn-default',
1773 html : '<i class="fa fa-repeat"></i>'
1781 cls : 'btn-group roo-upload-cropbox-rotate-left',
1782 action : 'rotate-left',
1786 cls : 'btn btn-default',
1787 html : '<i class="fa fa-undo"></i>'
1793 cls : 'btn-group roo-upload-cropbox-rotate-right',
1794 action : 'rotate-right',
1798 cls : 'btn btn-default',
1799 html : '<i class="fa fa-repeat"></i>'