Edit: draggable.min.js
/*! * jQuery UI Draggable 1.13.3 * https://jqueryui.com * * Copyright OpenJS Foundation and other contributors * Released under the MIT license. * https://jquery.org/license */ !function(t){"use strict";"function"==typeof define&&define.amd?define(["jquery","./mouse","../data","../plugin","../safe-active-element","../safe-blur","../scroll-parent","../version","../widget"],t):t(jQuery)}(function(P){"use strict";return P.widget("ui.draggable",P.ui.mouse,{version:"1.13.3",widgetEventPrefix:"drag",options:{addClasses:!0,appendTo:"parent",axis:!1,connectToSortable:!1,containment:!1,cursor:"auto",cursorAt:!1,grid:!1,handle:!1,helper:"original",iframeFix:!1,opacity:!1,refreshPositions:!1,revert:!1,revertDuration:500,scope:"default",scroll:!0,scrollSensitivity:20,scrollSpeed:20,snap:!1,snapMode:"both",snapTolerance:20,stack:!1,zIndex:!1,drag:null,start:null,stop:null},_create:function(){"original"===this.options.helper&&this._setPositionRelative(),this.options.addClasses&&this._addClass("ui-draggable"),this._setHandleClassName(),this._mouseInit()},_setOption:function(t,e){this._super(t,e),"handle"===t&&(this._removeHandleClassName(),this._setHandleClassName())},_destroy:function(){(this.helper||this.element).is(".ui-draggable-dragging")?this.destroyOnClear=!0:(this._removeHandleClassName(),this._mouseDestroy())},_mouseCapture:function(t){var e=this.options;return!(this.helper||e.disabled||0<P(t.target).closest(".ui-resizable-handle").length||(this.handle=this._getHandle(t),!this.handle)||(this._blurActiveElement(t),this._blockFrames(!0===e.iframeFix?"iframe":e.iframeFix),0))},_blockFrames:function(t){this.iframeBlocks=this.document.find(t).map(function(){var t=P(this);return P("<div>").css("position","absolute").appendTo(t.parent()).outerWidth(t.outerWidth()).outerHeight(t.outerHeight()).offset(t.offset())[0]})},_unblockFrames:function(){this.iframeBlocks&&(this.iframeBlocks.remove(),delete this.iframeBlocks)},_blurActiveElement:function(t){var e=P.ui.safeActiveElement(this.document[0]);P(t.target).closest(e).length||P.ui.safeBlur(e)},_mouseStart:function(t){var e=this.options;return this.helper=this._createHelper(t),this._addClass(this.helper,"ui-draggable-dragging"),this._cacheHelperProportions(),P.ui.ddmanager&&(P.ui.ddmanager.current=this),this._cacheMargins(),this.cssPosition=this.helper.css("position"),this.scrollParent=this.helper.scrollParent(!0),this.offsetParent=this.helper.offsetParent(),this.hasFixedAncestor=0<this.helper.parents().filter(function(){return"fixed"===P(this).css("position")}).length,this.positionAbs=this.element.offset(),this._refreshOffsets(t),this.originalPosition=this.position=this._generatePosition(t,!1),this.originalPageX=t.pageX,this.originalPageY=t.pageY,e.cursorAt&&this._adjustOffsetFromHelper(e.cursorAt),this._setContainment(),!1===this._trigger("start",t)?(this._clear(),!1):(this._cacheHelperProportions(),P.ui.ddmanager&&!e.dropBehaviour&&P.ui.ddmanager.prepareOffsets(this,t),this._mouseDrag(t,!0),P.ui.ddmanager&&P.ui.ddmanager.dragStart(this,t),!0)},_refreshOffsets:function(t){this.offset={top:this.positionAbs.top-this.margins.top,left:this.positionAbs.left-this.margins.left,scroll:!1,parent:this._getParentOffset(),relative:this._getRelativeOffset()},this.offset.click={left:t.pageX-this.offset.left,top:t.pageY-this.offset.top}},_mouseDrag:function(t,e){if(this.hasFixedAncestor&&(this.offset.parent=this._getParentOffset()),this.position=this._generatePosition(t,!0),this.positionAbs=this._convertPositionTo("absolute"),!e){e=this._uiHash();if(!1===this._trigger("drag",t,e))return this._mouseUp(new P.Event("mouseup",t)),!1;this.position=e.position}return this.helper[0].style.left=this.position.left+"px",this.helper[0].style.top=this.position.top+"px",P.ui.ddmanager&&P.ui.ddmanager.drag(this,t),!1},_mouseStop:function(t){var e=this,s=!1;return P.ui.ddmanager&&!this.options.dropBehaviour&&(s=P.ui.ddmanager.drop(this,t)),this.dropped&&(s=this.dropped,this.dropped=!1),"invalid"===this.options.revert&&!s||"valid"===this.options.revert&&s||!0===this.options.revert||"function"==typeof this.options.revert&&this.options.revert.call(this.element,s)?P(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){!1!==e._trigger("stop",t)&&e._clear()}):!1!==this._trigger("stop",t)&&this._clear(),!1},_mouseUp:function(t){return this._unblockFrames(),P.ui.ddmanager&&P.ui.ddmanager.dragStop(this,t),this.handleElement.is(t.target)&&this.element.trigger("focus"),P.ui.mouse.prototype._mouseUp.call(this,t)},cancel:function(){return this.helper.is(".ui-draggable-dragging")?this._mouseUp(new P.Event("mouseup",{target:this.element[0]})):this._clear(),this},_getHandle:function(t){return!this.options.handle||!!P(t.target).closest(this.element.find(this.options.handle)).length},_setHandleClassName:function(){this.handleElement=this.options.handle?this.element.find(this.options.handle):this.element,this._addClass(this.handleElement,"ui-draggable-handle")},_removeHandleClassName:function(){this._removeClass(this.handleElement,"ui-draggable-handle")},_createHelper:function(t){var e=this.options,s="function"==typeof e.helper,t=s?P(e.helper.apply(this.element[0],[t])):"clone"===e.helper?this.element.clone().removeAttr("id"):this.element;return t.parents("body").length||t.appendTo("parent"===e.appendTo?this.element[0].parentNode:e.appendTo),s&&t[0]===this.element[0]&&this._setPositionRelative(),t[0]===this.element[0]||/(fixed|absolute)/.test(t.css("position"))||t.css("position","absolute"),t},_setPositionRelative:function(){/^(?:r|a|f)/.test(this.element.css("position"))||(this.element[0].style.position="relative")},_adjustOffsetFromHelper:function(t){"string"==typeof t&&(t=t.split(" ")),"left"in(t=Array.isArray(t)?{left:+t[0],top:+t[1]||0}:t)&&(this.offset.click.left=t.left+this.margins.left),"right"in t&&(this.offset.click.left=this.helperProportions.width-t.right+this.margins.left),"top"in t&&(this.offset.click.top=t.top+this.margins.top),"bottom"in t&&(this.offset.click.top=this.helperProportions.height-t.bottom+this.margins.top)},_isRootNode:function(t){return/(html|body)/i.test(t.tagName)||t===this.document[0]},_getParentOffset:function(){var t=this.offsetParent.offset(),e=this.document[0];return"absolute"===this.cssPosition&&this.scrollParent[0]!==e&&P.contains(this.scrollParent[0],this.offsetParent[0])&&(t.left+=this.scrollParent.scrollLeft(),t.top+=this.scrollParent.scrollTop()),{top:(t=this._isRootNode(this.offsetParent[0])?{top:0,left:0}:t).top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:t.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){var t,e;return"relative"!==this.cssPosition?{top:0,left:0}:(t=this.element.position(),e=this._isRootNode(this.scrollParent[0]),{top:t.top-(parseInt(this.helper.css("top"),10)||0)+(e?0:this.scrollParent.scrollTop()),left:t.left-(parseInt(this.helper.css("left"),10)||0)+(e?0:this.scrollParent.scrollLeft())})},_cacheMargins:function(){this.margins={left:parseInt(this.element.css("marginLeft"),10)||0,top:parseInt(this.element.css("marginTop"),10)||0,right:parseInt(this.element.css("marginRight"),10)||0,bottom:parseInt(this.element.css("marginBottom"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var t,e=this.options,s=this.document[0];this.relativeContainer=null,e.containment?"window"===e.containment?this.containment=[P(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,P(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,P(window).scrollLeft()+P(window).width()-this.helperProportions.width-this.margins.left,P(window).scrollTop()+(P(window).height()||s.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]:"document"===e.containment?this.containment=[0,0,P(s).width()-this.helperProportions.width-this.margins.left,(P(s).height()||s.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]:e.containment.constructor===Array?this.containment=e.containment:("parent"===e.containment&&(e.containment=this.helper[0].parentNode),(e=(s=P(e.containment))[0])&&(t=/(scroll|auto)/.test(s.css("overflow")),this.containment=[(parseInt(s.css("borderLeftWidth"),10)||0)+(parseInt(s.css("paddingLeft"),10)||0),(parseInt(s.css("borderTopWidth"),10)||0)+(parseInt(s.css("paddingTop"),10)||0),(t?Math.max(e.scrollWidth,e.offsetWidth):e.offsetWidth)-(parseInt(s.css("borderRightWidth"),10)||0)-(parseInt(s.css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(t?Math.max(e.scrollHeight,e.offsetHeight):e.offsetHeight)-(parseInt(s.css("borderBottomWidth"),10)||0)-(parseInt(s.css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relativeContainer=s)):this.containment=null},_convertPositionTo:function(t,e){e=e||this.position;var t="absolute"===t?1:-1,s=this._isRootNode(this.scrollParent[0]);return{top:e.top+this.offset.relative.top*t+this.offset.parent.top*t-("fixed"===this.cssPosition?-this.offset.scroll.top:s?0:this.offset.scroll.top)*t,left:e.left+this.offset.relative.left*t+this.offset.parent.left*t-("fixed"===this.cssPosition?-this.offset.scroll.left:s?0:this.offset.scroll.left)*t}},_generatePosition:function(t,e){var s,i=this.options,o=this._isRootNode(this.scrollParent[0]),n=t.pageX,r=t.pageY;return o&&this.offset.scroll||(this.offset.scroll={top:this.scrollParent.scrollTop(),left:this.scrollParent.scrollLeft()}),{top:(r=e&&(this.containment&&(s=this.relativeContainer?(e=this.relativeContainer.offset(),[this.containment[0]+e.left,this.containment[1]+e.top,this.containment[2]+e.left,this.containment[3]+e.top]):this.containment,t.pageX-this.offset.click.left<s[0]&&(n=s[0]+this.offset.click.left),t.pageY-this.offset.click.top<s[1]&&(r=s[1]+this.offset.click.top),t.pageX-this.offset.click.left>s[2]&&(n=s[2]+this.offset.click.left),t.pageY-this.offset.click.top>s[3])&&(r=s[3]+this.offset.click.top),i.grid&&(e=i.grid[1]?this.originalPageY+Math.round((r-this.originalPageY)/i.grid[1])*i.grid[1]:this.originalPageY,r=!s||e-this.offset.click.top>=s[1]||e-this.offset.click.top>s[3]?e:e-this.offset.click.top>=s[1]?e-i.grid[1]:e+i.grid[1],t=i.grid[0]?this.originalPageX+Math.round((n-this.originalPageX)/i.grid[0])*i.grid[0]:this.originalPageX,n=!s||t-this.offset.click.left>=s[0]||t-this.offset.click.left>s[2]?t:t-this.offset.click.left>=s[0]?t-i.grid[0]:t+i.grid[0]),"y"===i.axis&&(n=this.originalPageX),"x"===i.axis)?this.originalPageY:r)-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+("fixed"===this.cssPosition?-this.offset.scroll.top:o?0:this.offset.scroll.top),left:n-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+("fixed"===this.cssPosition?-this.offset.scroll.left:o?0:this.offset.scroll.left)}},_clear:function(){this._removeClass(this.helper,"ui-draggable-dragging"),this.helper[0]===this.element[0]||this.cancelHelperRemoval||this.helper.remove(),this.helper=null,this.cancelHelperRemoval=!1,this.destroyOnClear&&this.destroy()},_trigger:function(t,e,s){return s=s||this._uiHash(),P.ui.plugin.call(this,t,[e,s,this],!0),/^(drag|start|stop)/.test(t)&&(this.positionAbs=this._convertPositionTo("absolute"),s.offset=this.positionAbs),P.Widget.prototype._trigger.call(this,t,e,s)},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),P.ui.plugin.add("draggable","connectToSortable",{start:function(e,t,s){var i=P.extend({},t,{item:s.element});s.sortables=[],P(s.options.connectToSortable).each(function(){var t=P(this).sortable("instance");t&&!t.options.disabled&&(s.sortables.push(t),t.refreshPositions(),t._trigger("activate",e,i))})},stop:function(e,t,s){var i=P.extend({},t,{item:s.element});s.cancelHelperRemoval=!1,P.each(s.sortables,function(){var t=this;t.isOver?(t.isOver=0,s.cancelHelperRemoval=!0,t.cancelHelperRemoval=!1,t._storedCSS={position:t.placeholder.css("position"),top:t.placeholder.css("top"),left:t.placeholder.css("left")},t._mouseStop(e),t.options.helper=t.options._helper):(t.cancelHelperRemoval=!0,t._trigger("deactivate",e,i))})},drag:function(s,i,o){P.each(o.sortables,function(){var t=!1,e=this;e.positionAbs=o.positionAbs,e.helperProportions=o.helperProportions,e.offset.click=o.offset.click,e._intersectsWith(e.containerCache)&&(t=!0,P.each(o.sortables,function(){return this.positionAbs=o.positionAbs,this.helperProportions=o.helperProportions,this.offset.click=o.offset.click,t=this!==e&&this._intersectsWith(this.containerCache)&&P.contains(e.element[0],this.element[0])?!1:t})),t?(e.isOver||(e.isOver=1,o._parent=i.helper.parent(),e.currentItem=i.helper.appendTo(e.element).data("ui-sortable-item",!0),e.options._helper=e.options.helper,e.options.helper=function(){return i.helper[0]},s.target=e.currentItem[0],e._mouseCapture(s,!0),e._mouseStart(s,!0,!0),e.offset.click.top=o.offset.click.top,e.offset.click.left=o.offset.click.left,e.offset.parent.left-=o.offset.parent.left-e.offset.parent.left,e.offset.parent.top-=o.offset.parent.top-e.offset.parent.top,o._trigger("toSortable",s),o.dropped=e.element,P.each(o.sortables,function(){this.refreshPositions()}),o.currentItem=o.element,e.fromOutside=o),e.currentItem&&(e._mouseDrag(s),i.position=e.position)):e.isOver&&(e.isOver=0,e.cancelHelperRemoval=!0,e.options._revert=e.options.revert,e.options.revert=!1,e._trigger("out",s,e._uiHash(e)),e._mouseStop(s,!0),e.options.revert=e.options._revert,e.options.helper=e.options._helper,e.placeholder&&e.placeholder.remove(),i.helper.appendTo(o._parent),o._refreshOffsets(s),i.position=o._generatePosition(s,!0),o._trigger("fromSortable",s),o.dropped=!1,P.each(o.sortables,function(){this.refreshPositions()}))})}}),P.ui.plugin.add("draggable","cursor",{start:function(t,e,s){var i=P("body"),s=s.options;i.css("cursor")&&(s._cursor=i.css("cursor")),i.css("cursor",s.cursor)},stop:function(t,e,s){s=s.options;s._cursor&&P("body").css("cursor",s._cursor)}}),P.ui.plugin.add("draggable","opacity",{start:function(t,e,s){e=P(e.helper),s=s.options;e.css("opacity")&&(s._opacity=e.css("opacity")),e.css("opacity",s.opacity)},stop:function(t,e,s){s=s.options;s._opacity&&P(e.helper).css("opacity",s._opacity)}}),P.ui.plugin.add("draggable","scroll",{start:function(t,e,s){s.scrollParentNotHidden||(s.scrollParentNotHidden=s.helper.scrollParent(!1)),s.scrollParentNotHidden[0]!==s.document[0]&&"HTML"!==s.scrollParentNotHidden[0].tagName&&(s.overflowOffset=s.scrollParentNotHidden.offset())},drag:function(t,e,s){var i=s.options,o=!1,n=s.scrollParentNotHidden[0],r=s.document[0];n!==r&&"HTML"!==n.tagName?(i.axis&&"x"===i.axis||(s.overflowOffset.top+n.offsetHeight-t.pageY<i.scrollSensitivity?n.scrollTop=o=n.scrollTop+i.scrollSpeed:t.pageY-s.overflowOffset.top<i.scrollSensitivity&&(n.scrollTop=o=n.scrollTop-i.scrollSpeed)),i.axis&&"y"===i.axis||(s.overflowOffset.left+n.offsetWidth-t.pageX<i.scrollSensitivity?n.scrollLeft=o=n.scrollLeft+i.scrollSpeed:t.pageX-s.overflowOffset.left<i.scrollSensitivity&&(n.scrollLeft=o=n.scrollLeft-i.scrollSpeed))):(i.axis&&"x"===i.axis||(t.pageY-P(r).scrollTop()<i.scrollSensitivity?o=P(r).scrollTop(P(r).scrollTop()-i.scrollSpeed):P(window).height()-(t.pageY-P(r).scrollTop())<i.scrollSensitivity&&(o=P(r).scrollTop(P(r).scrollTop()+i.scrollSpeed))),i.axis&&"y"===i.axis||(t.pageX-P(r).scrollLeft()<i.scrollSensitivity?o=P(r).scrollLeft(P(r).scrollLeft()-i.scrollSpeed):P(window).width()-(t.pageX-P(r).scrollLeft())<i.scrollSensitivity&&(o=P(r).scrollLeft(P(r).scrollLeft()+i.scrollSpeed)))),!1!==o&&P.ui.ddmanager&&!i.dropBehaviour&&P.ui.ddmanager.prepareOffsets(s,t)}}),P.ui.plugin.add("draggable","snap",{start:function(t,e,s){var i=s.options;s.snapElements=[],P(i.snap.constructor!==String?i.snap.items||":data(ui-draggable)":i.snap).each(function(){var t=P(this),e=t.offset();this!==s.element[0]&&s.snapElements.push({item:this,width:t.outerWidth(),height:t.outerHeight(),top:e.top,left:e.left})})},drag:function(t,e,s){for(var i,o,n,r,l,a,h,p,c,f=s.options,d=f.snapTolerance,g=e.offset.left,u=g+s.helperProportions.width,m=e.offset.top,v=m+s.helperProportions.height,_=s.snapElements.length-1;0<=_;_--)a=(l=s.snapElements[_].left-s.margins.left)+s.snapElements[_].width,p=(h=s.snapElements[_].top-s.margins.top)+s.snapElements[_].height,u<l-d||a+d<g||v<h-d||p+d<m||!P.contains(s.snapElements[_].item.ownerDocument,s.snapElements[_].item)?(s.snapElements[_].snapping&&s.options.snap.release&&s.options.snap.release.call(s.element,t,P.extend(s._uiHash(),{snapItem:s.snapElements[_].item})),s.snapElements[_].snapping=!1):("inner"!==f.snapMode&&(i=Math.abs(h-v)<=d,o=Math.abs(p-m)<=d,n=Math.abs(l-u)<=d,r=Math.abs(a-g)<=d,i&&(e.position.top=s._convertPositionTo("relative",{top:h-s.helperProportions.height,left:0}).top),o&&(e.position.top=s._convertPositionTo("relative",{top:p,left:0}).top),n&&(e.position.left=s._convertPositionTo("relative",{top:0,left:l-s.helperProportions.width}).left),r)&&(e.position.left=s._convertPositionTo("relative",{top:0,left:a}).left),c=i||o||n||r,"outer"!==f.snapMode&&(i=Math.abs(h-m)<=d,o=Math.abs(p-v)<=d,n=Math.abs(l-g)<=d,r=Math.abs(a-u)<=d,i&&(e.position.top=s._convertPositionTo("relative",{top:h,left:0}).top),o&&(e.position.top=s._convertPositionTo("relative",{top:p-s.helperProportions.height,left:0}).top),n&&(e.position.left=s._convertPositionTo("relative",{top:0,left:l}).left),r)&&(e.position.left=s._convertPositionTo("relative",{top:0,left:a-s.helperProportions.width}).left),!s.snapElements[_].snapping&&(i||o||n||r||c)&&s.options.snap.snap&&s.options.snap.snap.call(s.element,t,P.extend(s._uiHash(),{snapItem:s.snapElements[_].item})),s.snapElements[_].snapping=i||o||n||r||c)}}),P.ui.plugin.add("draggable","stack",{start:function(t,e,s){var i,s=s.options,s=P.makeArray(P(s.stack)).sort(function(t,e){return(parseInt(P(t).css("zIndex"),10)||0)-(parseInt(P(e).css("zIndex"),10)||0)});s.length&&(i=parseInt(P(s[0]).css("zIndex"),10)||0,P(s).each(function(t){P(this).css("zIndex",i+t)}),this.css("zIndex",i+s.length))}}),P.ui.plugin.add("draggable","zIndex",{start:function(t,e,s){e=P(e.helper),s=s.options;e.css("zIndex")&&(s._zIndex=e.css("zIndex")),e.css("zIndex",s.zIndex)},stop:function(t,e,s){s=s.options;s._zIndex&&P(e.helper).css("zIndex",s._zIndex)}}),P.ui.draggable});
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