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t,a=this;a.isClickable&&(t=a.isUploadable?a.$dropZone:a.$preview.find(".file-default-preview"),i.addCss(t,"clickable"),t.attr("tabindex",-1),a._handler(t,"click",function(i){var n=e(i.target);n.parents(".file-preview-thumbnails").length&&!n.parents(".file-default-preview").length||(a.$element.trigger("click"),t.blur())}))},_initDragDrop:function(){var i=this,t=i.$dropZone;i.isUploadable&&i.dropZoneEnabled&&i.showPreview&&(i._handler(t,"dragenter dragover",e.proxy(i._zoneDragEnter,i)),i._handler(t,"dragleave",e.proxy(i._zoneDragLeave,i)),i._handler(t,"drop",e.proxy(i._zoneDrop,i)),i._handler(e(document),"dragenter dragover drop",i._zoneDragDropInit))},_zoneDragDropInit:function(e){e.stopPropagation(),e.preventDefault()},_zoneDragEnter:function(t){var a=this,n=e.inArray("Files",t.originalEvent.dataTransfer.types)>-1;return a._zoneDragDropInit(t),a.isDisabled||!n?(t.originalEvent.dataTransfer.effectAllowed="none",void(t.originalEvent.dataTransfer.dropEffect="none")):void i.addCss(a.$dropZone,"file-highlighted")},_zoneDragLeave:function(e){var i=this;i._zoneDragDropInit(e),i.isDisabled||i.$dropZone.removeClass("file-highlighted")},_zoneDrop:function(e){var t=this;e.preventDefault(),t.isDisabled||i.isEmpty(e.originalEvent.dataTransfer.files)||(t._change(e,"dragdrop"),t.$dropZone.removeClass("file-highlighted"))},_uploadClick:function(e){var t,a=this,n=a.$container.find(".fileinput-upload"),r=!n.hasClass("disabled")&&i.isEmpty(n.attr("disabled"));if(!e||!e.isDefaultPrevented()){if(!a.isUploadable)return void(r&&"submit"!==n.attr("type")&&(t=n.closest("form"),t.length&&t.trigger("submit"),e.preventDefault()));e.preventDefault(),r&&a.upload()}},_submitForm:function(){var e=this;return e._isFileSelectionValid()&&!e._abort({})},_clearPreview:function(){var t=this,a=t.$preview,n=t.showUploadedThumbs?t.getFrames(":not(.file-preview-success)"):t.getFrames();n.each(function(){var t=e(this);t.remove(),i.cleanZoomCache(a.find("#zoom-"+t.attr("id")))}),t.getFrames().length&&t.showPreview||t._resetUpload(),t._validateDefaultPreview()},_initSortable:function(){var t,a=this,n=a.$preview,r="."+i.SORT_CSS;window.KvSortable&&0!==n.find(r).length&&(t={handle:".drag-handle-init",dataIdAttr:"data-preview-id",scroll:!1,draggable:r,onSort:function(t){var n,r,o=t.oldIndex,l=t.newIndex;a.initialPreview=i.moveArray(a.initialPreview,o,l),a.initialPreviewConfig=i.moveArray(a.initialPreviewConfig,o,l),a.previewCache.init();for(var s=0;s