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/**
* Muuri v0.8.0
* https://github.com/haltu/muuri
* Copyright (c) 2015-present, Haltu Oy
* Released under the MIT license
* https://github.com/haltu/muuri/blob/master/LICENSE.md
* @license MIT
*
* Muuri Packer
* Copyright (c) 2016-present, Niklas Rämö <inramo@gmail.com>
* @license MIT
*
* Muuri Ticker / Muuri Emitter / Muuri Queue
* Copyright (c) 2018-present, Niklas Rämö <inramo@gmail.com>
* @license MIT
*/
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e.threshold?e.threshold:50,r=e&&"swap"===e.action?"swap":"move";xt.width=t._width,xt.height=t._height,xt.left=i._elementClientX,xt.top=i._elementClientY;var o=function(t,e,i){var s,n,r,o,h=null,a=e._settings.dragSort,_=-1;if(!0===a?(Tt[0]=e,n=Tt):n=a.call(e,t),!Array.isArray(n))return h;for(o=0;o<n.length;o++)(r=n[o])._isDestroyed||(r._updateBoundingRect(),Pt.width=r._width,Pt.height=r._height,Pt.left=r._left,Pt.top=r._top,(s=Yt(xt,Pt))>i&&s>_&&(_=s,h=r));return Tt.length=0,h}(t,s,n);if(!o)return!1;var h,a,_,l,d,c=0,u=0,f=-1;for(o===s?(xt.left=i._gridX+t._marginLeft,xt.top=i._gridY+t._marginTop):(o._updateBorders(1,0,1,0),c=o._left+o._borderLeft,u=o._top+o._borderTop),d=0;d<o._items.length;d++)(_=o._items[d])._isActive&&_!==t&&(a=!0,Pt.width=_._width,Pt.height=_._height,Pt.left=_._left+_._marginLeft+c,Pt.top=_._top+_._marginTop+u,(l=Yt(xt,Pt))>f&&(h=d,f=l));return f<n&&t.getGrid()!==o&&(h=a?-1:0,f=1/0),f>=n&&(Mt.grid=o,Mt.index=h,Mt.action=r,Mt)}),Xt.prototype.stop=function(){var t=this._item,e=t._element,i=this._getGrid();return this._isActive?this._isMigrating?(this._finishMigration(),this):(N(t._id),q(t._id),this._unbindScrollListeners(),this._checkOverlapDebounce("cancel"),e.parentNode!==i._element&&(i._element.appendChild(e),e.style[n]=It(this._gridX,this._gridY)),Rt(e,i._settings.itemDraggingClass),this._reset(),this):this},Xt.prototype.destroy=function(){return this._isDestroyed?this:(this.stop(),this._dragger.destroy(),this._isDestroyed=!0,this)},Xt.prototype._getGrid=function(){return t[this._gridId]||null},Xt.prototype._reset=function(){this._isActive=!1,this._container=null,this._containingBlock=null,this._dragEvent=null,this._scrollEvent=null,this._scrollers=[],this._left=0,this._top=0,this._gridX=0,this._gridY=0,this._elementClientX=0,this._elementClientY=0,this._containerDiffX=0,this._containerDiffY=0},Xt.prototype._bindScrollListeners=function(){var t,e,i=this._getGrid()._element,s=this._container,n=this._scrollers;if(n.length=0,vt(this._item._element,!1,n),s!==i)for(vt(i,!0,t=[]),e=0;e<t.length;e++)n.indexOf(t[e])<0&&n.push(t[e]);for(e=0;e<n.length;e++)n[e].addEventListener("scroll",this._onScroll)},Xt.prototype._unbindScrollListeners=function(){var t,e=this._scrollers;for(t=0;t<e.length;t++)e[t].removeEventListener("scroll",this._onScroll);e.length=0},Xt.prototype._setupStartPredicate=function(t){var e=t||this._getGrid()._settings.dragStartPredicate||0;return this._startPredicateData={distance:Math.abs(e.distance)||0,delay:Math.max(e.delay,0)||0,handle:"string"==typeof e.handle&&e.handle}},Xt.prototype._getStartPredicateHandle=function(t){var e=this._startPredicateData,i=this._item._element,s=i;if(!e.handle)return s;for(s=t.target;s&&!W(s,e.handle);)s=s!==i?s.parentElement:null;return s||null},Xt.prototype._resolveStartPredicate=function(t){var e=this._startPredicateData;if(!(t.distance<e.distance||e.delay)){var i=e.handleElement.getBoundingClientRect(),s=i.left+(window.pageXOffset||0),n=i.top+(window.pageYOffset||0),r=i.width,o=i.height;return this._resetStartPredicate(),r&&o&&t.pageX>=s&&t.pageX<s+r&&t.pageY>=n&&t.pageY<n+o}},Xt.prototype._forceResolveStartPredicate=function(t){this._isDestroyed||1!==this._startPredicateState||(this._startPredicateState=2,this._onStart(t))},Xt.prototype._finishStartPredicate=function(t){var e=this._item._element,i=Math.abs(t.deltaX)<2&&Math.abs(t.deltaY)<2&&t.deltaTime<200;this._resetStartPredicate(),i&&function(t){if("a"!==t.tagName.toLowerCase())return;var e=t.getAttribute("href");if(!e)return;var i=t.getAttribute("target");i&&"_self"!==i?window.open(e,i):window.location.href=e}(e)},Xt.prototype._resetHeuristics=function(t){this._hBlockedIndex=null,this._hX1=this._hX2=t.clientX,this._hY1=this._hY2=t.clientY},Xt.prototype._checkHeuristics=function(t){var e=this._getGrid()._settings.dragSortHeuristics,i=e.minDragDistance;if(i<=0)return this._hBlockedIndex=null,!0;var s=t.clientX,n=t.clientY,r=s-this._hX2,o=n-this._hY2,h=i>3&&e.minBounceBackAngle>0;if(h||(this._hBlockedIndex=null),Math.abs(r)>i||Math.abs(o)>i){if(h){var a=Math.atan2(r,o),_=Math.atan2(this._hX2-this._hX1,this._hY2-this._hY1),l=Math.atan2(Math.sin(a-_),Math.cos(a-_));Math.abs(l)>e.minBounceBackAngle&&(this._hBlockedIndex=null)}return this._hX1=this._hX2,this._hY1=this._hY2,this._hX2=s,this._hY2=n,!0}return!1},Xt.prototype._resetStartPredicate=function(){var t=this._startPredicateData;t&&(t.delayTimer&&(t.delayTimer=window.clearTimeout(t.delayTimer)),this._startPredicateData=null)},Xt.prototype._checkOverlap=function(){if(this._isActive){var t,e,i,s,n,r,o,h=this._item,a=this._getGrid()._settings;(t=c(a.dragSortPredicate)?a.dragSortPredicate(h,this._dragEvent):Xt.defaultSortPredicate(h,a.dragSortPredicate))&&"number"==typeof t.index&&(o=(e=h.getGrid())!==(s=t.grid||e),i=e._items.indexOf(h),n=J(s._items,t.index,o),r="swap"===t.action?"swap":"move",(o||n!==this._hBlockedIndex)&&(o?(this._hBlockedIndex=null,e._hasListeners("beforeSend")&&e._emit("beforeSend",{item:h,fromGrid:e,fromIndex:i,toGrid:s,toIndex:n}),s._hasListeners("beforeReceive")&&s._emit("beforeReceive",{item:h,fromGrid:e,fromIndex:i,toGrid:s,toIndex:n}),h._gridId=s._id,this._isMigrating=h._gridId!==this._gridId,e._items.splice(i,1),$(s._items,h,n),h._sortData=null,e._hasListeners("send")&&e._emit("send",{item:h,fromGrid:e,fromIndex:i,toGrid:s,toIndex:n}),s._hasListeners("receive")&&s._emit("receive",{item:h,fromGrid:e,fromIndex:i,toGrid:s,toIndex:n}),e.layout(),s.layout()):i!==n&&(this._hBlockedIndex=i,("swap"===r?Q:K)(e._items,i,n),e._hasListeners("move")&&e._emit("move",{item:h,fromIndex:i,toIndex:n,action:r}),e.layout())))}},Xt.prototype._finishMigration=function(){var t,e,i=this._item,s=i._release,r=i._element,o=i._isActive,h=i.getGrid(),a=h._element,_=h._settings,l=_.dragContainer||a,d=this._getGrid()._settings,c=r.parentNode;this._isMigrating=!1,this.destroy(),Rt(r,d.itemClass),Rt(r,d.itemVisibleClass),Rt(r,d.itemHiddenClass),j(r,_.itemClass),j(r,o?_.itemVisibleClass:_.itemHiddenClass),l!==c&&(l.appendChild(r),e=ct(c,l,!0),(t=Lt(r)).x-=e.left,t.y-=e.top),i._refreshDimensions(),i._refreshSortData(),e=ct(l,a,!0),s._containerDiffX=e.left,s._containerDiffY=e.top,i._drag=_.dragEnabled?new Xt(i):null,l!==c&&(r.style[n]=It(t.x,t.y)),i._child.removeAttribute("style"),f(i._child,o?_.visibleStyles:_.hiddenStyles),s.start()},Xt.prototype._preStartCheck=function(t){this._startPredicateState===kt&&(this._startPredicateState=1),1===this._startPredicateState?(this._startPredicateResult=this._startPredicate(this._item,t),!0===this._startPredicateResult?(this._startPredicateState=2,this._onStart(t)):!1===this._startPredicateResult&&(this._startPredicateState=3)):2===this._startPredicateState&&this._isActive&&this._onMove(t)},Xt.prototype._preEndCheck=function(t){var e=2===this._startPredicateState;this._startPredicate(this._item,t),this._startPredicateState=kt,e&&this._isActive&&this._onEnd(t)},Xt.prototype._onStart=function(t){var e=this._item;if(e._isActive){var i,s=e._element,r=this._getGrid(),o=r._settings,h=e._release,a=e._migrate,_=r._element,l=o.dragContainer||_,d=ot(l,!0),c=Lt(s),u=c.x,f=c.y,p=s.getBoundingClientRect(),m=l!==_;this._resetHeuristics(t),m&&(i=ct(d,_)),e.isPositioning()&&e._layout.stop(!0,{transform:It(u,f)}),a._isActive&&(u-=a._containerDiffX,f-=a._containerDiffY,a.stop(!0,{transform:It(u,f)})),e.isReleasing()&&h._reset(),this._isActive=!0,this._dragEvent=t,this._container=l,this._containingBlock=d,this._elementClientX=p.left,this._elementClientY=p.top,this._left=this._gridX=u,this._top=this._gridY=f,o.dragPlaceholder.enabled&&e._dragPlaceholder.create(),r._emit("dragInit",e,t),m&&(this._containerDiffX=i.left,this._containerDiffY=i.top,s.parentNode===l?(this._gridX=u-this._containerDiffX,this._gridY=f-this._containerDiffY):(this._left=u+this._containerDiffX,this._top=f+this._containerDiffY,l.appendChild(s),s.style[n]=It(this._left,this._top))),j(s,o.itemDraggingClass),this._bindScrollListeners(),r._emit("dragStart",e,t)}},Xt.prototype._onMove=function(t){var e=this._item;if(e._isActive){var i,s,n,r=this._getGrid()._settings.dragAxis;if("y"!==r){var o=t.clientX-this._dragEvent.clientX;this._left+=o,this._gridX+=o,this._elementClientX+=o}if("x"!==r){var h=t.clientY-this._dragEvent.clientY;this._top+=h,this._gridY+=h,this._elementClientY+=h}this._dragEvent=t,i=e._id,s=this._prepareMove,n=this._applyMove,k.add(i+G,s,n,!0)}else this.stop()},Xt.prototype._prepareMove=function(){this._item._isActive&&this._getGrid()._settings.dragSort&&this._checkHeuristics(this._dragEvent)&&this._checkOverlapDebounce()},Xt.prototype._applyMove=function(){var t=this._item;t._isActive&&(t._element.style[n]=It(this._left,this._top),this._getGrid()._emit("dragMove",t,this._dragEvent))},Xt.prototype._onScroll=function(t){var e,i,s,n=this._item;n._isActive?(this._scrollEvent=t,e=n._id,i=this._prepareScroll,s=this._applyScroll,k.add(e+H,i,s,!0)):this.stop()},Xt.prototype._prepareScroll=function(){var t=this._item;if(t._isActive){var e,i=t._element,s=this._getGrid(),n=s._settings,r=n.dragAxis,o=s._element,h=i.getBoundingClientRect(),a=this._elementClientX-h.left,_=this._elementClientY-h.top;this._container!==o&&(e=ct(this._containingBlock,o),this._containerDiffX=e.left,this._containerDiffY=e.top),"y"!==r&&(this._left+=a,this._gridX=this._left-this._containerDiffX),"x"!==r&&(this._top+=_,this._gridY=this._top-this._containerDiffY),n.dragSort&&this._checkOverlapDebounce()}},Xt.prototype._applyScroll=function(){var t=this._item;t._isActive&&(t._element.style[n]=It(this._left,this._top),this._getGrid()._emit("dragScroll",t,this._scrollEvent))},Xt.prototype._onEnd=function(t){var e=this._item,i=e._element,s=this._getGrid(),n=s._settings,r=e._release;e._isActive?(N(e._id),q(e._id),n.dragSort&&this._checkOverlapDebounce("finish"),this._unbindScrollListeners(),r._containerDiffX=this._containerDiffX,r._containerDiffY=this._containerDiffY,this._reset(),Rt(i,n.itemDraggingClass),s._emit("dragEnd",e,t),this._isMigrating?this._finishMigration():r.start()):this.stop()},Gt.prototype._onLayoutStart=function(){var t=this._item,e=t.getGrid(),i=e._items.indexOf(t),s=e._layout.slots[2*i],n=e._layout.slots[2*i+1];if(this._didMigrate||t._left!==s||t._top!==n){var r,o,h;if(s+=t._marginLeft,n+=t._marginTop,!(e._settings.dragPlaceholder.duration>0)||this._didMigrate){F(t._id);var a={transform:It(s,n)};return this._animate.isAnimating()?this._animate.stop(a):f(this._element,a),void(this._didMigrate&&(e.getElement().appendChild(this._element),this._didMigrate=!1))}this._nextLeft=s,this._nextTop=n,r=t._id,o=this._setupAnimation,h=this._startAnimation,k.add(r+O,o,h)}},Gt.prototype._setupAnimation=function(){if(this.isActive()){var t=Lt(this._element);this._currentLeft=t.x,this._currentTop=t.y}},Gt.prototype._startAnimation=function(){if(this.isActive()){var t=this._animate,e=this._currentLeft,i=this._currentTop,s=this._nextLeft,n=this._nextTop,r={transform:It(s,n)};if(e!==s||i!==n){var o=this._item.getGrid()._settings.dragPlaceholder,h={transform:It(e,i)};t.start(h,r,{duration:o.duration,easing:o.easing,onFinish:this._onLayoutEnd})}else t.isAnimating()&&t.stop(r)}},Gt.prototype._onLayoutEnd=function(){this._resetAfterLayout&&this.reset()},Gt.prototype._onReleaseEnd=function(t){if(t._id===this._item._id){if(!this._animate.isAnimating())return void this.reset();this._resetAfterLayout=!0}},Gt.prototype._onMigrate=function(t){if(t.item===this._item){var e=this._item.getGrid(),i=t.toGrid;e.off("dragReleaseEnd",this._onReleaseEnd),e.off("layoutStart",this._onLayoutStart),e.off("beforeSend",this._onMigrate),i.on("dragReleaseEnd",this._onReleaseEnd),i.on("layoutStart",this._onLayoutStart),i.on("beforeSend",this._onMigrate),this._didMigrate=!0}},Gt.prototype.create=function(){if(this.isActive())this._resetAfterLayout=!1;else{var t,e=this._item,i=e.getGrid(),s=i._settings,n=this._animate;t=c(s.dragPlaceholder.createElement)?s.dragPlaceholder.createElement(e):window.document.createElement("div"),this._element=t,n._element=t,this._className=s.itemPlaceholderClass||"",this._className&&j(t,this._className);var r=e._left+e._marginLeft,o=e._top+e._marginTop;f(t,{display:"block",position:"absolute",left:"0",top:"0",width:e._width+"px",height:e._height+"px",transform:It(r,o)}),i.on("layoutStart",this._onLayoutStart),i.on("dragReleaseEnd",this._onReleaseEnd),i.on("beforeSend",this._onMigrate),c(s.dragPlaceholder.onCreate)&&s.dragPlaceholder.onCreate(e,t),i.getElement().appendChild(t)}},Gt.prototype.reset=function(){if(this.isActive()){var t=this._element,e=this._item,i=e.getGrid(),s=i._settings,n=this._animate;this._resetAfterLayout=!1,F(e._id),n.stop(),n._element=null,i.off("dragReleaseEnd",this._onReleaseEnd),i.off("layoutStart",this._onLayoutStart),i.off("beforeSend",this._onMigrate),this._className&&(Rt(t,this._className),this._className=""),t.parentNode.removeChild(t),this._element=null,c(s.dragPlaceholder.onRemove)&&s.dragPlaceholder.onRemove(e,t)}},Gt.prototype.updateDimensions=function(t,e){this.isActive()&&f(this._element,{width:t+"px",height:e+"px"})},Gt.prototype.isActive=function(){return!!this._element},Gt.prototype.destroy=function(){this.reset(),this._animate.destroy(),this._item=this._animate=null},Ht.prototype.add=function(t){return this._isDestroyed?this:(this._queue.push(t),this)},Ht.prototype.flush=function(t,e){if(this._isDestroyed)return this;var i,s=this._queue,n=s.length;if(!n)return this;var r=1===n,o=r?s[0]:s.slice(0);if(s.length=0,r)return o(t,e),this;for(i=0;i<n&&(o[i](t,e),!this._isDestroyed);i++);return this},Ht.prototype.destroy=function(){return this._isDestroyed?this:(this._isDestroyed=!0,this._queue.length=0,this)},Ot.prototype.start=function(t,e){if(!this._isDestroyed){var i,s,n,r,o=this._item,h=o._element,a=o._release,_=o.getGrid()._settings,l=this._isActive,d=a._isActive&&!1===a._isPositioningStarted,u=d?_.dragReleaseDuration:_.layoutDuration,p=d?_.dragReleaseEasing:_.layoutEasing,m=!t&&!this._skipNextAnimation&&u>0;return l&&this._queue.flush(!0,o),d&&(a._isPositioningStarted=!0),c(e)&&this._queue.add(e),m?(this._isActive=!0,this._animateOptions.easing=p,this._animateOptions.duration=u,this._isInterrupted=l,s=o._id,n=this._setupAnimation,r=this._startAnimation,k.add(s+X,n,r),this):(this._updateOffsets(),this._updateTargetStyles(),i=o._animate.isAnimating(),this.stop(!1,this._targetStyles),!i&&f(h,this._targetStyles),this._skipNextAnimation=!1,this._finish())}},Ot.prototype.stop=function(t,e){if(this._isDestroyed||!this._isActive)return this;var i,s=this._item;return i=s._id,k.cancel(i+X),s._animate.stop(e),Rt(s._element,s.getGrid()._settings.itemPositioningClass),this._isActive=!1,t&&this._queue.flush(!0,s),this},Ot.prototype.destroy=function(){return this._isDestroyed?this:(this.stop(!0,{}),this._queue.destroy(),this._item=this._currentStyles=this._targetStyles=this._animateOptions=null,this._isDestroyed=!0,this)},Ot.prototype._updateOffsets=function(){if(!this._isDestroyed){var t=this._item,e=t._migrate,i=t._release;this._offsetLeft=i._isActive?i._containerDiffX:e._isActive?e._containerDiffX:0,this._offsetTop=i._isActive?i._containerDiffY:e._isActive?e._containerDiffY:0}},Ot.prototype._updateTargetStyles=function(){this._isDestroyed||(this._targetStyles.transform=It(this._item._left+this._offsetLeft,this._item._top+this._offsetTop))},Ot.prototype._finish=function(){if(!this._isDestroyed){var t=this._item,e=t._migrate,i=t._release;this._isActive&&(this._isActive=!1,Rt(t._element,t.getGrid()._settings.itemPositioningClass)),i._isActive&&i.stop(),e._isActive&&e.stop(),this._queue.flush(!1,t)}},Ot.prototype._setupAnimation=function(){var t=Lt(this._item._element);this._currentLeft=t.x,this._currentTop=t.y},Ot.prototype._startAnimation=function(){var t=this._item,e=t.getGrid()._settings;if(this._updateOffsets(),this._updateTargetStyles(),t._left===this._currentLeft-this._offsetLeft&&t._top===this._currentTop-this._offsetTop)return this._isInterrupted&&this.stop(!1,this._targetStyles),this._isActive=!1,void this._finish();this._isInterrupted||j(t._element,e.itemPositioningClass),this._currentStyles.transform=It(this._currentLeft,this._currentTop),t._animate.start(this._currentStyles,this._targetStyles,this._animateOptions)};var Bt={};function Nt(t){this._item=t,this._isActive=!1,this._isDestroyed=!1,this._container=!1,this._containerDiffX=0,this._containerDiffY=0}Nt.prototype.start=function(t,e,i){if(this._isDestroyed)return this;var s,r,o,h,a,_,l,d,c=this._item,u=c._element,p=c.isVisible(),m=c.getGrid(),g=m._settings,y=t._settings,v=t._element,w=t._items,S=m._items.indexOf(c),D=i||window.document.body;if("number"==typeof e)s=J(w,e,!0);else{if(!(r=t._getItem(e)))return this;s=w.indexOf(r)}return(c.isPositioning()||this._isActive||c.isReleasing())&&(l=(_=Lt(u)).x,d=_.y),c.isPositioning()&&c._layout.stop(!0,{transform:It(l,d)}),this._isActive&&(l-=this._containerDiffX,d-=this._containerDiffY,this.stop(!0,{transform:It(l,d)})),c.isReleasing()&&(l-=c._release._containerDiffX,d-=c._release._containerDiffY,c._release.stop(!0,{transform:It(l,d)})),c._visibility._stopAnimation(),c._drag&&c._drag.destroy(),c._visibility._queue.flush(!0,c),m._hasListeners("beforeSend")&&m._emit("beforeSend",{item:c,fromGrid:m,fromIndex:S,toGrid:t,toIndex:s}),t._hasListeners("beforeReceive")&&t._emit("beforeReceive",{item:c,fromGrid:m,fromIndex:S,toGrid:t,toIndex:s}),Rt(u,g.itemClass),Rt(u,g.itemVisibleClass),Rt(u,g.itemHiddenClass),j(u,y.itemClass),j(u,p?y.itemVisibleClass:y.itemHiddenClass),m._items.splice(S,1),$(w,c,s),c._gridId=t._id,D!==(o=u.parentNode)&&(D.appendChild(u),h=ct(D,o,!0),_||(l=(_=Lt(u)).x,d=_.y),u.style[n]=It(l+h.left,d+h.top)),c._child.removeAttribute("style"),f(c._child,p?y.visibleStyles:y.hiddenStyles),u.style.display=p?"block":"hidden",a=ct(D,v,!0),c._refreshDimensions(),c._refreshSortData(),c._drag=y.dragEnabled?new Xt(c):null,this._isActive=!0,this._container=D,this._containerDiffX=a.left,this._containerDiffY=a.top,m._hasListeners("send")&&m._emit("send",{item:c,fromGrid:m,fromIndex:S,toGrid:t,toIndex:s}),t._hasListeners("receive")&&t._emit("receive",{item:c,fromGrid:m,fromIndex:S,toGrid:t,toIndex:s}),this},Nt.prototype.stop=function(t,e){if(this._isDestroyed||!this._isActive)return this;var i,s=this._item,n=s._element,r=s.getGrid()._element;return this._container!==r&&(e||(t?(i=Lt(n),Bt.transform=It(i.x-this._containerDiffX,i.y-this._containerDiffY)):Bt.transform=It(s._left,s._top),e=Bt),r.appendChild(n),f(n,e)),this._isActive=!1,this._container=null,this._containerDiffX=0,this._containerDiffY=0,this},Nt.prototype.destroy=function(){return this._isDestroyed?this:(this.stop(!0),this._item=null,this._isDestroyed=!0,this)};var qt={};function Ft(t){this._item=t,this._isActive=!1,this._isDestroyed=!1,this._isPositioningStarted=!1,this._containerDiffX=0,this._containerDiffY=0}function zt(t){var e=t._isActive,i=t._element,s=t.getGrid()._settings;this._item=t,this._isDestroyed=!1,this._isHidden=!e,this._isHiding=!1,this._isShowing=!1,this._queue=new Ht,this._finishShow=this._finishShow.bind(this),this._finishHide=this._finishHide.bind(this),i.style.display=e?"block":"none",j(i,e?s.itemVisibleClass:s.itemHiddenClass),f(t._child,e?s.visibleStyles:s.hiddenStyles)}Ft.prototype.start=function(){if(this._isDestroyed||this._isActive)return this;var t=this._item,e=t.getGrid();return this._isActive=!0,j(t._element,e._settings.itemReleasingClass),e._emit("dragReleaseStart",t),t._layout.start(!1),this},Ft.prototype.stop=function(t,e){if(this._isDestroyed||!this._isActive)return this;var i,s=this._item,n=s._element,r=s.getGrid(),o=r._element;return this._reset(),n.parentNode!==o&&(e||(t?(i=Lt(n),qt.transform=It(i.x-this._containerDiffX,i.y-this._containerDiffY)):qt.transform=It(s._left,s._top),e=qt),o.appendChild(n),f(n,e)),t||r._emit("dragReleaseEnd",s),this},Ft.prototype.destroy=function(){return this._isDestroyed?this:(this.stop(!0),this._item=null,this._isDestroyed=!0,this)},Ft.prototype._reset=function(){if(!this._isDestroyed){var t=this._item;this._isActive=!1,this._isPositioningStarted=!1,this._containerDiffX=0,this._containerDiffY=0,Rt(t._element,t.getGrid()._settings.itemReleasingClass)}},zt.prototype.show=function(t,e){if(this._isDestroyed)return this;var i=this._item,s=i._element,n=this._queue,r=c(e)?e:null,o=i.getGrid()._settings;return this._isShowing||this._isHidden?this._isShowing&&!t?(r&&n.add(r),this):(this._isShowing||(n.flush(!0,i),Rt(s,o.itemHiddenClass),j(s,o.itemVisibleClass),this._isHiding||(s.style.display="block")),r&&n.add(r),i._isActive=this._isShowing=!0,this._isHiding=this._isHidden=!1,this._startAnimation(!0,t,this._finishShow),this):(r&&r(!1,i),this)},zt.prototype.hide=function(t,e){if(this._isDestroyed)return this;var i=this._item,s=i._element,n=this._queue,r=c(e)?e:null,o=i.getGrid()._settings;return!this._isHiding&&this._isHidden?(r&&r(!1,i),this):this._isHiding&&!t?(r&&n.add(r),this):(this._isHiding||(n.flush(!0,i),j(s,o.itemHiddenClass),Rt(s,o.itemVisibleClass)),r&&n.add(r),this._isHidden=this._isHiding=!0,i._isActive=this._isShowing=!1,this._startAnimation(!1,t,this._finishHide),this)},zt.prototype.destroy=function(){if(this._isDestroyed)return this;var t=this._item,e=t._element,i=t.getGrid(),s=this._queue,n=i._settings;return this._stopAnimation({}),s.flush(!0,t).destroy(),Rt(e,n.itemVisibleClass),Rt(e,n.itemHiddenClass),this._item=null,this._isHiding=this._isShowing=!1,this._isDestroyed=this._isHidden=!0,this},zt.prototype._startAnimation=function(t,e,i){if(!this._isDestroyed){var s,n=this._item,r=n.getGrid()._settings,o=t?r.visibleStyles:r.hiddenStyles,h=parseInt(t?r.showDuration:r.hideDuration)||0,_=(t?r.showEasing:r.hideEasing)||"ease",d=e||h<=0;if(o){if(B(n._id),d)return n._animateChild.isAnimating()?n._animateChild.stop(o):f(n._child,o),void(i&&i());var c,u,p;c=n._id,u=function(){s=function(t,e){var i={};for(var s in e)i[s]=a(t,l(s));return i}(n._child,o)},p=function(){n._animateChild.start(s,o,{duration:h,easing:_,onFinish:i})},k.add(c+Y,u,p)}else i&&i()}},zt.prototype._stopAnimation=function(t){if(!this._isDestroyed){var e=this._item;B(e._id),e._animateChild.stop(t)}},zt.prototype._finishShow=function(){this._isHidden||(this._isShowing=!1,this._queue.flush(!1,this._item))};var Vt={};zt.prototype._finishHide=function(){if(this._isHidden){var t=this._item;this._isHiding=!1,Vt.transform=It(0,0),t._layout.stop(!0,Vt),t._element.style.display="none",this._queue.flush(!1,t)}};var Wt,jt,Ut,Zt,$t=0;function Jt(){return++$t}function Kt(t,e,i){var s=t._settings;this._id=Jt(),this._gridId=t._id,this._isDestroyed=!1,this._left=0,this._top=0,this._element=e,this._child=e.children[0],e.parentNode!==t._element&&t._element.appendChild(e),j(e,s.itemClass),"boolean"!=typeof i&&(i="none"!==a(e,"display")),this._isActive=i,e.style.left="0",e.style.top="0",e.style[n]=It(0,0),this._animate=new p(e),this._animateChild=new p(this._child),this._visibility=new zt(this),this._layout=new Ot(this),this._migrate=new Nt(this),this._release=new Ft(this),this._dragPlaceholder=new Gt(this),this._drag=s.dragEnabled?new Xt(this):null,this._refreshDimensions(),this._refreshSortData()}function Qt(){this._slots=[],this._slotSizes=[],this._freeSlots=[],this._newSlots=[],this._rectItem={},this._rectStore=[],this._rectId=0,this._layout={slots:null,setWidth:!1,setHeight:!1,width:!1,height:!1},this._sortRectsLeftTop=this._sortRectsLeftTop.bind(this),this._sortRectsTopLeft=this._sortRectsTopLeft.bind(this)}Kt.prototype.getGrid=function(){return t[this._gridId]},Kt.prototype.getElement=function(){return this._element},Kt.prototype.getWidth=function(){return this._width},Kt.prototype.getHeight=function(){return this._height},Kt.prototype.getMargin=function(){return{left:this._marginLeft,right:this._marginRight,top:this._marginTop,bottom:this._marginBottom}},Kt.prototype.getPosition=function(){return{left:this._left,top:this._top}},Kt.prototype.isActive=function(){return this._isActive},Kt.prototype.isVisible=function(){return!!this._visibility&&!this._visibility._isHidden},Kt.prototype.isShowing=function(){return!(!this._visibility||!this._visibility._isShowing)},Kt.prototype.isHiding=function(){return!(!this._visibility||!this._visibility._isHiding)},Kt.prototype.isPositioning=function(){return!(!this._layout||!this._layout._isActive)},Kt.prototype.isDragging=function(){return!(!this._drag||!this._drag._isActive)},Kt.prototype.isReleasing=function(){return!(!this._release||!this._release._isActive)},Kt.prototype.isDestroyed=function(){return this._isDestroyed},Kt.prototype._refreshDimensions=function(){if(!this._isDestroyed&&!this._visibility._isHidden){var t=this._element,e=this._dragPlaceholder,i=t.getBoundingClientRect();this._width=i.width,this._height=i.height,this._marginLeft=Math.max(0,ht(t,"margin-left")),this._marginRight=Math.max(0,ht(t,"margin-right")),this._marginTop=Math.max(0,ht(t,"margin-top")),this._marginBottom=Math.max(0,ht(t,"margin-bottom")),e&&e.updateDimensions(this._width,this._height)}},Kt.prototype._refreshSortData=function(){if(!this._isDestroyed){var t,e=this._sortData={},i=this.getGrid()._settings.sortData;for(t in i)e[t]=i[t](this,this._element)}},Kt.prototype._destroy=function(t){if(!this._isDestroyed){var e=this._element,i=this.getGrid(),s=i._settings,n=i._items.indexOf(this);this._release.destroy(),this._migrate.destroy(),this._layout.destroy(),this._visibility.destroy(),this._animate.destroy(),this._animateChild.destroy(),this._dragPlaceholder.destroy(),this._drag&&this._drag.destroy(),e.removeAttribute("style"),this._child.removeAttribute("style"),Rt(e,s.itemClass),n>-1&&i._items.splice(n,1),t&&e.parentNode.removeChild(e),this._isActive=!1,this._isDestroyed=!0}},Qt.prototype.getLayout=function(t,e,i,s,n){var r,o=this._layout,h=!(!n||!n.fillGaps),a=!(!n||!n.horizontal),_=!(!n||!n.alignRight),l=!(!n||!n.alignBottom),d=!(!n||!n.rounding),c=this._slotSizes;if(o.slots=s||this._slots,o.width=a?0:d?Math.round(e):e,o.height=a?d?Math.round(i):i:0,o.setWidth=a,o.setHeight=!a,o.slots.length=0,c.length=0,!t.length)return o;for(r=0;r<t.length;r++)this._addSlot(t[r],a,h,d,_||l);if(_)for(r=0;r<o.slots.length;r+=2)o.slots[r]=o.width-(o.slots[r]+c[r]);if(l)for(r=1;r<o.slots.length;r+=2)o.slots[r]=o.height-(o.slots[r]+c[r]);return c.length=0,this._freeSlots.length=0,this._newSlots.length=0,this._rectId=0,o},Qt.prototype._addSlot=(Wt={},function(t,e,i,s,n){var r,o,h,a,_,l,d=this._layout,c=this._freeSlots,u=this._newSlots;for(u.length=0,Wt.left=null,Wt.top=null,Wt.width=t._width+t._marginLeft+t._marginRight,Wt.height=t._height+t._marginTop+t._marginBottom,s&&(Wt.width=Math.round(Wt.width),Wt.height=Math.round(Wt.height)),_=0;_<c.length;_++)if((o=c[_])&&(r=this._getRect(o),Wt.width<=r.width+.001&&Wt.height<=r.height+.001)){Wt.left=r.left,Wt.top=r.top;break}for(null===Wt.left&&(Wt.left=e?d.width:0,Wt.top=e?0:d.height,i||(a=!0)),!e&&Wt.top+Wt.height>d.height&&(Wt.left>0&&u.push(this._addRect(0,d.height,Wt.left,1/0)),Wt.left+Wt.width<d.width&&u.push(this._addRect(Wt.left+Wt.width,d.height,d.width-Wt.left-Wt.width,1/0)),d.height=Wt.top+Wt.height),e&&Wt.left+Wt.width>d.width&&(Wt.top>0&&u.push(this._addRect(d.width,0,1/0,Wt.top)),Wt.top+Wt.height<d.height&&u.push(this._addRect(d.width,Wt.top+Wt.height,1/0,d.height-Wt.top-Wt.height)),d.width=Wt.left+Wt.width),_=i?0:a?c.length:_;_<c.length;_++)if(o=c[_])for(r=this._getRect(o),h=this._splitRect(r,Wt),l=0;l<h.length;l++)o=h[l],(r=this._getRect(o)).width>.49&&r.height>.49&&(!e&&r.top<d.height||e&&r.left<d.width)&&u.push(o);u.length&&this._purgeRects(u).sort(e?this._sortRectsLeftTop:this._sortRectsTopLeft),e?d.width=Math.max(d.width,Wt.left+Wt.width):d.height=Math.max(d.height,Wt.top+Wt.height),d.slots.push(Wt.left,Wt.top),n&&this._slotSizes.push(Wt.width,Wt.height),this._freeSlots=u,this._newSlots=c}),Qt.prototype._addRect=function(t,e,i,s){var n=++this._rectId,r=this._rectStore;return r[n]=t||0,r[++this._rectId]=e||0,r[++this._rectId]=i||0,r[++this._rectId]=s||0,n},Qt.prototype._getRect=function(t,e){var i=e||this._rectItem,s=this._rectStore;return i.left=s[t]||0,i.top=s[++t]||0,i.width=s[++t]||0,i.height=s[++t]||0,i},Qt.prototype._splitRect=(jt=[],function(t,e){return jt.length=0,this._doRectsOverlap(t,e)?(t.left<e.left&&jt.push(this._addRect(t.left,t.top,e.left-t.left,t.height)),t.left+t.width>e.left+e.width&&jt.push(this._addRect(e.left+e.width,t.top,t.left+t.width-(e.left+e.width),t.height)),t.top<e.top&&jt.push(this._addRect(t.left,t.top,t.width,e.top-t.top)),t.top+t.height>e.top+e.height&&jt.push(this._addRect(t.left,e.top+e.height,t.width,t.top+t.height-(e.top+e.height))),jt):(jt.push(this._addRect(t.left,t.top,t.width,t.height)),jt)}),Qt.prototype._doRectsOverlap=function(t,e){return!(t.left+t.width<=e.left||e.left+e.width<=t.left||t.top+t.height<=e.top||e.top+e.height<=t.top)},Qt.prototype._isRectWithinRect=function(t,e){return t.left>=e.left&&t.top>=e.top&&t.left+t.width<=e.left+e.width&&t.top+t.height<=e.top+e.height},Qt.prototype._purgeRects=(Ut={},Zt={},function(t){for(var e,i=t.length;i--;)if(e=t.length,t[i])for(this._getRect(t[i],Ut);e--;)if(t[e]&&i!==e&&this._isRectWithinRect(Ut,this._getRect(t[e],Zt))){t[i]=0;break}return t}),Qt.prototype._sortRectsTopLeft=function(){var t={},e={};return function(i,s){return this._getRect(i,t),this._getRect(s,e),t.top<e.top?-1:t.top>e.top?1:t.left<e.left?-1:t.left>e.left?1:0}}(),Qt.prototype._sortRectsLeftTop=function(){var t={},e={};return function(i,s){return this._getRect(i,t),this._getRect(s,e),t.left<e.left?-1:t.left>e.left?1:t.top<e.top?-1:t.top>e.top?1:0}}();var te="[object HTMLCollection]",ee="[object NodeList]";function ie(t){var e=Object.prototype.toString.call(t);return e===te||e===ee}var se="object",ne="[object Object]",re=Object.prototype.toString;function oe(t){return typeof t===se&&re.call(t)===ne}function he(t){return ie(t)?Array.prototype.slice.call(t):Array.prototype.concat(t)}var ae=new Qt,_e=function(){},le="number",de="string";function ce(e,s){var n,r,o,h=this;if(!((e=this._element=typeof e===de?window.document.querySelector(e):e).getRootNode?e.getRootNode({composed:!0})===document:window.document.body.contains(e))||e===window.document.documentElement)throw new Error("Container element must be an existing DOM element");c((n=this._settings=function(t,e){var i=ue({},t);e&&(i=ue(i,e));return i.visibleStyles=(e||0).visibleStyles||(t||0).visibleStyles,i.hiddenStyles=(e||0).hiddenStyles||(t||0).hiddenStyles,i}(ce.defaultOptions,s)).dragSort)||(n.dragSort=!!n.dragSort),this._id=Jt(),t[this._id]=h,this._isDestroyed=!1,this._layout={id:0,items:[],slots:[],setWidth:!1,setHeight:!1,width:0,height:0},this._emitter=new i,j(e,n.containerClass),this._items=[],typeof(r=n.items)===de?he(e.children).forEach(function(t){("*"===r||W(t,r))&&h._items.push(new Kt(h,t))}):(Array.isArray(r)||ie(r))&&(this._items=he(r).map(function(t){return new Kt(h,t)})),typeof(o=n.layoutOnResize)!==le&&(o=!0===o?0:-1),o>=0&&window.addEventListener("resize",h._resizeHandler=nt(function(){h.refreshItems().layout()},o)),n.layoutOnInit&&this.layout(!0)}function ue(t,e){var i,s,n,r=Object.keys(e),o=r.length;for(n=0;n<o;n++)i=oe(e[s=r[n]]),oe(t[s])&&i?t[s]=ue(ue({},t[s]),e[s]):i?t[s]=ue({},e[s]):Array.isArray(e[s])?t[s]=e[s].slice(0):t[s]=e[s];return t}return ce.Item=Kt,ce.ItemLayout=Ot,ce.ItemVisibility=zt,ce.ItemMigrate=Nt,ce.ItemAnimate=p,ce.ItemDrag=Xt,ce.ItemRelease=Ft,ce.ItemDragPlaceholder=Gt,ce.Emitter=i,ce.Dragger=M,ce.Packer=Qt,ce.defaultOptions={items:"*",showDuration:300,showEasing:"ease",hideDuration:300,hideEasing:"ease",visibleStyles:{opacity:"1",transform:"scale(1)"},hiddenStyles:{opacity:"0",transform:"scale(0.5)"},layout:{fillGaps:!1,horizontal:!1,alignRight:!1,alignBottom:!1,rounding:!0},layoutOnResize:100,layoutOnInit:!0,layoutDuration:300,layoutEasing:"ease",sortData:null,dragEnabled:!1,dragContainer:null,dragStartPredicate:{distance:0,delay:0,handle:!1},dragAxis:null,dragSort:!0,dragSortHeuristics:{sortInterval:100,minDragDistance:10,minBounceBackAngle:1},dragSortPredicate:{threshold:50,action:"move"},dragReleaseDuration:300,dragReleaseEasing:"ease",dragCssProps:{touchAction:"none",userSelect:"none",userDrag:"none",tapHighlightColor:"rgba(0, 0, 0, 0)",touchCallout:"none",contentZooming:"none"},dragPlaceholder:{enabled:!1,duration:300,easing:"ease",createElement:null,onCreate:null,onRemove:null},containerClass:"muuri",itemClass:"muuri-item",itemVisibleClass:"muuri-item-shown",itemHiddenClass:"muuri-item-hidden",itemPositioningClass:"muuri-item-positioning",itemDraggingClass:"muuri-item-dragging",itemReleasingClass:"muuri-item-releasing",itemPlaceholderClass:"muuri-item-placeholder"},ce.prototype.on=function(t,e){return this._emitter.on(t,e),this},ce.prototype.off=function(t,e){return this._emitter.off(t,e),this},ce.prototype.getElement=function(){return this._element},ce.prototype.getItems=function(t){if(this._isDestroyed||!t&&0!==t)return this._items.slice(0);var e,i,s=[],n=he(t);for(i=0;i<n.length;i++)(e=this._getItem(n[i]))&&s.push(e);return s},ce.prototype.refreshItems=function(t){if(this._isDestroyed)return this;var e,i=this.getItems(t);for(e=0;e<i.length;e++)i[e]._refreshDimensions();return this},ce.prototype.refreshSortData=function(t){if(this._isDestroyed)return this;var e,i=this.getItems(t);for(e=0;e<i.length;e++)i[e]._refreshSortData();return this},ce.prototype.synchronize=function(){if(this._isDestroyed)return this;var t,e,i,s=this._element,n=this._items;if(n.length){for(i=0;i<n.length;i++)(e=n[i]._element).parentNode===s&&(t=t||window.document.createDocumentFragment()).appendChild(e);t&&s.appendChild(t)}return this._emit("synchronize"),this},ce.prototype.layout=function(t,i){if(this._isDestroyed)return this;var s,n,r,o=this,h=this._element,_=this._updateLayout(),l=_.id,d=_.items.length,u=d;function f(){if(!(--u>0)){var s=o._layout.id!==l,n=c(t)?t:i;c(n)&&n(s,_.items.slice(0)),!s&&o._hasListeners(e)&&o._emit(e,_.items.slice(0))}}if((_.setHeight&&typeof _.height===le||_.setWidth&&typeof _.width===le)&&(s="border-box"===a(h,"box-sizing")),_.setHeight&&(typeof _.height===le?h.style.height=(s?_.height+this._borderTop+this._borderBottom:_.height)+"px":h.style.height=_.height),_.setWidth&&(typeof _.width===le?h.style.width=(s?_.width+this._borderLeft+this._borderRight:_.width)+"px":h.style.width=_.width),this._hasListeners("layoutStart")&&this._emit("layoutStart",_.items.slice(0)),!d)return f(),this;for(r=0;r<d;r++)(n=_.items[r])&&(n._left=_.slots[2*r],n._top=_.slots[2*r+1],n.isDragging()?f():n._layout.start(!0===t,f));return this},ce.prototype.add=function(t,e){if(this._isDestroyed||!t)return[];var i=he(t);if(!i.length)return i;var s,n,r=e||0,o=r.layout?r.layout:void 0===r.layout,h=this._items,a=!1;for(n=0;n<i.length;n++)s=new Kt(this,i[n],r.isActive),i[n]=s,s._isActive&&(a=!0,s._layout._skipNextAnimation=!0);return $(h,i,r.index),this._hasListeners("add")&&this._emit("add",i.slice(0)),a&&o&&this.layout("instant"===o,c(o)?o:void 0),i},ce.prototype.remove=function(t,e){if(this._isDestroyed)return this;var i,s,n=e||0,r=n.layout?n.layout:void 0===n.layout,o=!1,h=this.getItems(),a=this.getItems(t),_=[];for(s=0;s<a.length;s++)i=a[s],_.push(h.indexOf(i)),i._isActive&&(o=!0),i._destroy(n.removeElements);return this._hasListeners("remove")&&this._emit("remove",a.slice(0),_),o&&r&&this.layout("instant"===r,c(r)?r:void 0),a},ce.prototype.show=function(t,e){return this._isDestroyed?this:(this._setItemsVisibility(t,!0,e),this)},ce.prototype.hide=function(t,e){return this._isDestroyed?this:(this._setItemsVisibility(t,!1,e),this)},ce.prototype.filter=function(t,e){if(this._isDestroyed||!this._items.length)return this;var i,s,n=[],r=[],o=typeof t===de,h=c(t),a=e||0,_=!0===a.instant,l=a.layout?a.layout:void 0===a.layout,d=c(a.onFinish)?a.onFinish:null,u=-1,f=_e;if(d&&(f=function(){++u&&d(n.slice(0),r.slice(0))}),h||o)for(s=0;s<this._items.length;s++)i=this._items[s],(h?t(i):W(i._element,t))?n.push(i):r.push(i);return n.length?this.show(n,{instant:_,onFinish:f,layout:!1}):f(),r.length?this.hide(r,{instant:_,onFinish:f,layout:!1}):f(),(n.length||r.length)&&(this._hasListeners("filter")&&this._emit("filter",n.slice(0),r.slice(0)),l&&this.layout("instant"===l,c(l)?l:void 0)),this},ce.prototype.sort=function(){var t,e,i,s;function n(t){for(var e={},i=0;i<t.length;i++)e[t[i]._id]=i;return e}function r(t,i){var n=s[t._id],r=s[i._id];return e?r-n:n-r}function o(o,h){for(var a,_,l,d,c=0,u=0;u<t.length;u++)if(a=t[u][0],_=t[u][1],l=(o._sortData?o:o._refreshSortData())._sortData[a],d=(h._sortData?h:h._refreshSortData())._sortData[a],c="desc"===_||!_&&e?d<l?-1:d>l?1:0:l<d?-1:l>d?1:0)return c;return c||(s||(s=n(i)),c=r(o,h)),c}function h(o,h){var a=t(o,h);return e&&a&&(a=-a),a||(s||(s=n(i)),r(o,h))}return function(n,r){if(this._isDestroyed||this._items.length<2)return this;var a,_=this._items,l=r||0,d=l.layout?l.layout:void 0===l.layout;if(t=n,e=!!l.descending,i=_.slice(0),s=null,c(t))_.sort(h);else if(typeof t===de)t=n.trim().split(" ").map(function(t){return t.split(":")}),_.sort(o);else{if(!Array.isArray(t))return this;if(t.length!==_.length)throw new Error("[Muuri] sort reference items do not match with grid items.");for(a=0;a<_.length;a++){if(t.indexOf(_[a])<0)throw new Error("[Muuri] sort reference items do not match with grid items.");_[a]=t[a]}e&&_.reverse()}return this._hasListeners("sort")&&this._emit("sort",_.slice(0),i),d&&this.layout("instant"===d,c(d)?d:void 0),this}}(),ce.prototype.move=function(t,e,i){if(this._isDestroyed||this._items.length<2)return this;var s,n,r=this._items,o=i||0,h=o.layout?o.layout:void 0===o.layout,a="swap"===o.action,_=a?"swap":"move",l=this._getItem(t),d=this._getItem(e);return l&&d&&l!==d&&(s=r.indexOf(l),n=r.indexOf(d),a?Q(r,s,n):K(r,s,n),this._hasListeners("move")&&this._emit("move",{item:l,fromIndex:s,toIndex:n,action:_}),h&&this.layout("instant"===h,c(h)?h:void 0)),this},ce.prototype.send=function(t,e,i,s){if(this._isDestroyed||e._isDestroyed||this===e)return this;if(!(t=this._getItem(t)))return this;var n=s||0,r=n.appendTo||window.document.body,o=n.layoutSender?n.layoutSender:void 0===n.layoutSender,h=n.layoutReceiver?n.layoutReceiver:void 0===n.layoutReceiver;return t._migrate.start(e,i,r),t._migrate._isActive&&t._isActive&&(o&&this.layout("instant"===o,c(o)?o:void 0),h&&e.layout("instant"===h,c(h)?h:void 0)),this},ce.prototype.destroy=function(e){if(this._isDestroyed)return this;var i,s=this._element,n=this._items.slice(0);for(this._resizeHandler&&window.removeEventListener("resize",this._resizeHandler),i=0;i<n.length;i++)n[i]._destroy(e);return Rt(s,this._settings.containerClass),s.style.height="",s.style.width="",this._emit("destroy"),this._emitter.destroy(),t[this._id]=void 0,this._isDestroyed=!0,this},ce.prototype._getItem=function(t){if(this._isDestroyed||!t&&0!==t)return null;if(typeof t===le)return this._items[t>-1?t:this._items.length+t]||null;if(t instanceof Kt)return t._gridId===this._id?t:null;for(var e=0;e<this._items.length;e++)if(this._items[e]._element===t)return this._items[e];return null},ce.prototype._updateLayout=function(){var t,e,i,s,n=this._layout,r=this._settings.layout;for(++n.id,n.items.length=0,s=0;s<this._items.length;s++)this._items[s]._isActive&&n.items.push(this._items[s]);return this._refreshDimensions(),t=this._width-this._borderLeft-this._borderRight,e=this._height-this._borderTop-this._borderBottom,i=c(r)?r(n.items,t,e):ae.getLayout(n.items,t,e,n.slots,r),n.slots=i.slots,n.setWidth=Boolean(i.setWidth),n.setHeight=Boolean(i.setHeight),n.width=i.width,n.height=i.height,n},ce.prototype._emit=function(){this._isDestroyed||this._emitter.emit.apply(this._emitter,arguments)},ce.prototype._hasListeners=function(t){var e=this._emitter._events[t];return!(!e||!e.length)},ce.prototype._updateBoundingRect=function(){var t=this._element.getBoundingClientRect();this._width=t.width,this._height=t.height,this._left=t.left,this._top=t.top},ce.prototype._updateBorders=function(t,e,i,s){var n=this._element;t&&(this._borderLeft=ht(n,"border-left-width")),e&&(this._borderRight=ht(n,"border-right-width")),i&&(this._borderTop=ht(n,"border-top-width")),s&&(this._borderBottom=ht(n,"border-bottom-width"))},ce.prototype._refreshDimensions=function(){this._updateBoundingRect(),this._updateBorders(1,1,1,1)},ce.prototype._setItemsVisibility=function(t,e,i){var s,n,r=this,o=this.getItems(t),h=i||0,a=!0===h.instant,_=h.onFinish,l=h.layout?h.layout:void 0===h.layout,d=o.length,u=e?"showStart":"hideStart",f=e?"showEnd":"hideEnd",p=e?"show":"hide",m=!1,g=[],y=[];if(d){for(this._hasListeners(u)&&this._emit(u,o.slice(0)),n=0;n<o.length;n++)s=o[n],(e&&!s._isActive||!e&&s._isActive)&&(m=!0),e&&!s._isActive&&(s._layout._skipNextAnimation=!0),e&&s._visibility._isHidden&&y.push(s),s._visibility[p](a,function(t,e){t||g.push(e),--d<1&&(c(_)&&_(g.slice(0)),r._hasListeners(f)&&r._emit(f,g.slice(0)))});y.length&&this.refreshItems(y),m&&l&&this.layout("instant"===l,c(l)?l:void 0)}else c(_)&&_(o)},ce});