muuri.min.js

/*!
 * Muuri v0.5.1
 * https://github.com/haltu/muuri
 * Copyright (c) 2015, Haltu Oy
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
/*!
 * muuriLayout v0.5.1
 * Copyright (c) 2016 Niklas Rämö <inramo@gmail.com>
 * Released under the MIT license
 */
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i},o.prototype.emit=function(t,e,i,n){var r=this;if(r._isDestroyed)return r;var o,s=r._events[t]||[],a=s.length,l=arguments.length-1;if(a)for(s=s.concat(),o=0;o<a;o++)0===l?s[o]():1===l?s[o](e):2===l?s[o](e,i):s[o](e,i,n);return r},o.prototype.destroy=function(){var t=this;if(t._isDestroyed)return t;var e,i=J.keys(t._events);for(e=0;e<i.length;e++)t._events[i[e]]=null;return t._isDestroyed=!0,t},s.prototype.start=function(t,e,i){var n=this;if(!n._isDestroyed){var r=i||{},o=typeof r.onFinish===st?r.onFinish:null;if(n._animation){if(!J.keys(e).some(function(t){return e[t]!==n._propsTo[t]}))return void(n._animation.onfinish=function(){n._animation=n._propsTo=null,o&&o()});n._animation.cancel()}n._propsTo=e,n._animation=n._element.animate([t,e],{duration:r.duration||300,easing:r.easing||"ease"}),n._animation.onfinish=function(){n._animation=n._propsTo=null,o&&o()},C(n._element,e)}},s.prototype.stop=function(t){var 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t._isDestroyed||(t.stop(!0),t._isDestroyed=!0),t},l.prototype.getItem=function(){return yt[this._itemId]||null},l.prototype.reset=function(){var t=this;if(t._isDestroyed)return t;var e=t.getItem();return t.isActive=!1,t.isPositioningStarted=!1,t.containerDiffX=0,t.containerDiffY=0,x(e._element,e.getGrid()._settings.itemReleasingClass),t},l.prototype.start=function(){var t=this;if(t._isDestroyed||t.isActive)return t;var e=t.getItem(),i=e.getGrid();return t.isActive=!0,A(e._element,i._settings.itemReleasingClass),i._emit("dragReleaseStart",e),e._layout(!1),t},l.prototype.stop=function(t,e){var i=this;if(i._isDestroyed||!i.isActive)return i;var n=i.getItem(),r=n._element,o=n.getGrid(),s=o._element,a=i.containerDiffX,l=i.containerDiffY;return i.reset(),r.parentNode!==s&&(e||(e={transform:I(t?S(r,"x")-a:n._left,t?S(r,"y")-l:n._top)}),s.appendChild(r),C(r,e)),t||o._emit("dragReleaseEnd",n),i},d.defaultStartPredicate=function(t,e,i){var n,r,o,s,a=t._element,l=t._drag._startPredicateData;if(l||(n=_(n=i||t._drag.getGrid()._settings.dragStartPredicate)?n:{},l=t._drag._startPredicateData={distance:tt.abs(n.distance)||0,delay:tt.max(n.delay,0)||0,handle:"string"==typeof n.handle&&n.handle}),e.isFinal)return r="a"===a.tagName.toLowerCase(),o=a.getAttribute("href"),s=a.getAttribute("target"),U(t),void(r&&o&&tt.abs(e.deltaX)<2&&tt.abs(e.deltaY)<2&&e.deltaTime<200&&(s&&"_self"!==s?$.open(o,s):$.location.href=o));if(!l.handleElement)if(l.handle){for(l.handleElement=e.srcEvent.target;l.handleElement&&!wt(l.handleElement,l.handle);)l.handleElement=l.handleElement!==a?l.handleElement.parentElement:null;if(!l.handleElement)return!1}else l.handleElement=a;return l.delay&&(l.event=e,l.delayTimer||(l.delayTimer=$.setTimeout(function(){l.delay=0,q(t,l.event)&&(t._drag._resolveStartPredicate(l.event),U(t))},l.delay))),q(t,e)},d.defaultSortPredicate=function(t){var e,i,n,r,o,s=t._drag,a=s._data,l=s.getGrid(),d=l._settings.dragSortPredicate||{},f=d.threshold||50,u=d.action||"move",h={width:t._width,height:t._height,left:a.elementClientX,top:a.elementClientY},c=B(t,l,h,f),_=0,p=0,g=-1;if(!c)return!1;for(c===l?(h.left=a.gridX+t._margin.left,h.top=a.gridY+t._margin.top):(_=c._left+c._border.left,p=c._top+c._border.top),o=0;o<c._items.length;o++)(n=c._items[o])._isActive&&n!==t&&(i=!0,(r=Y(h,{width:n._width,height:n._height,left:n._left+n._margin.left+_,top:n._top+n._margin.top+p}))>g&&(e=o,g=r));return g<f&&t.getGrid()!==c&&(e=i?-1:0,g=1/0),g>=f&&{grid:c,index:e,action:u}},d.prototype.destroy=function(){var t=this;return t._isDestroyed||(t.stop(),t._hammer.destroy(),t.getItem()._element.removeEventListener("dragstart",j,!1),t._isDestroyed=!0),t},d.prototype.getItem=function(){return yt[this._itemId]||null},d.prototype.getGrid=function(){return mt[this._gridId]||null},d.prototype.reset=function(){var t=this,e=t._data;return e.isActive=!1,e.container=null,e.containingBlock=null,e.startEvent=null,e.currentEvent=null,e.scrollers=[],e.left=0,e.top=0,e.gridX=0,e.gridY=0,e.elementClientX=0,e.elementClientY=0,e.containerDiffX=0,e.containerDiffY=0,t},d.prototype.bindScrollListeners=function(){var t,e=this,i=e.getGrid()._element,n=e._data.container,r=P(e.getItem()._element);for(n!==i&&(r=c(r.concat(i).concat(P(i)))),t=0;t<r.length;t++)r[t].addEventListener("scroll",e._scrollListener);return e._data.scrollers=r,e},d.prototype.unbindScrollListeners=function(){var t,e=this,i=e._data,n=i.scrollers;for(t=0;t<n.length;t++)n[t].removeEventListener("scroll",e._scrollListener);return i.scrollers=[],e},d.prototype.checkOverlap=function(){var t,e,i,n,r,o,s=this,a=s.getItem(),l=s._sortPredicate(a,s._data.currentEvent);return _(l)&&typeof l.index===lt?(t=a.getGrid(),i=l.grid||t,o=t!==i,e=t._items.indexOf(a),n=f(t._items,l.index,o),r="swap"===l.action?"swap":"move",o?(t._emit("beforeSend",{item:a,fromGrid:t,fromIndex:e,toGrid:i,toIndex:n}),i._emit("beforeReceive",{item:a,fromGrid:t,fromIndex:e,toGrid:i,toIndex:n}),a._gridId=i._id,s._isMigrating=a._gridId!==s._gridId,t._items.splice(e,1),m(i._items,a,n),a._sortData=null,t._emit("send",{item:a,fromGrid:t,fromIndex:e,toGrid:i,toIndex:n}),i._emit("receive",{item:a,fromGrid:t,fromIndex:e,toGrid:i,toIndex:n}),t.layout(),i.layout()):e!==n&&(("swap"===r?u:h)(t._items,e,n),t._emit("move",{item:a,fromIndex:e,toIndex:n,action:r}),t.layout()),s):s},d.prototype.finishMigration=function(){var t,e,i,r=this,o=r.getItem(),s=o._release,a=o._element,l=o.getGrid(),d=l._element,f=l._settings,u=f.dragContainer||d,h=r.getGrid()._settings,c=a.parentNode;return r._isMigrating=!1,r.destroy(),o._animate.destroy(),o._animateChild.destroy(),x(a,h.itemClass),x(a,h.itemVisibleClass),x(a,h.itemHiddenClass),A(a,f.itemClass),A(a,f.itemVisibleClass),o._animate=new n.ItemAnimate(o,a),o._animateChild=new n.ItemAnimate(o,o._child),u!==c&&(u.appendChild(a),i=E(c,u,!0),t=S(a,"x")-i.left,e=S(a,"y")-i.top),o._refreshDimensions()._refreshSortData(),i=E(u,d,!0),s.containerDiffX=i.left,s.containerDiffY=i.top,o._drag=f.dragEnabled?new n.ItemDrag(o):null,u!==c&&C(a,{transform:I(t,e)}),o._child.removeAttribute("style"),l._itemShowHandler.start(o,!0),s.start(),r},d.prototype.cancelRafLoop=function(){var t=this.getItem()._id;return dt.cancel(ht,t),dt.cancel(ut,t),this},d.prototype.stop=function(){var t=this,e=t._data,i=t.getItem()._element,n=t.getGrid();return e.isActive?t._isMigrating?t.finishMigration(e.currentEvent):(t.cancelRafLoop(),t.unbindScrollListeners(),t._checkSortOverlap("cancel"),i.parentNode!==n._element&&(n._element.appendChild(i),C(i,{transform:I(e.gridX,e.gridY)})),x(i,n._settings.itemDraggingClass),t.reset(),t):t},d.prototype.onStart=function(t){var e=this,i=e.getItem();if(!i._isActive)return e;var n=i._element,r=e.getGrid(),o=r._settings,s=e._data,a=i._release,l=i._migrate,d=r._element,f=o.dragContainer||d,u=L(f,!0),h=f!==d?E(u,d):0,c=S(n,"x"),_=S(n,"y"),p=n.getBoundingClientRect();return i.isPositioning()&&i._stopLayout(!0,{transform:I(c,_)}),l.isActive&&(c-=l.containerDiffX,_-=l.containerDiffY,l.stop(!0,{transform:I(c,_)})),i.isReleasing()&&a.reset(),s.isActive=!0,s.startEvent=s.currentEvent=t,s.container=f,s.containingBlock=u,s.elementClientX=p.left,s.elementClientY=p.top,s.left=s.gridX=c,s.top=s.gridY=_,r._emit("dragInit",i,t),f!==d&&(s.containerDiffX=h.left,s.containerDiffY=h.top,n.parentNode===f?(s.gridX=c-s.containerDiffX,s.gridY=_-s.containerDiffY):(s.left=c+s.containerDiffX,s.top=_+s.containerDiffY,f.appendChild(n),C(n,{transform:I(s.left,s.top)}))),A(n,o.itemDraggingClass),e.bindScrollListeners(),r._emit("dragStart",i,t),e},d.prototype.onMove=function(t){var e=this,i=e.getItem();if(!i._isActive)return e.stop();var n=i._element,r=e.getGrid(),o=r._settings,s=e._data,a=o.dragAxis,l=t.deltaX-s.currentEvent.deltaX,d=t.deltaY-s.currentEvent.deltaY;return dt.add(ut,i._id,function(){s.currentEvent=t,"y"!==a&&(s.left+=l,s.gridX+=l,s.elementClientX+=l),"x"!==a&&(s.top+=d,s.gridY+=d,s.elementClientY+=d),o.dragSort&&e._checkSortOverlap()},function(){C(n,{transform:I(s.left,s.top)}),r._emit("dragMove",i,t)}),e},d.prototype.onScroll=function(t){var e,i,n,r,o=this,s=o.getItem(),a=s._element,l=o.getGrid(),d=l._settings,f=d.dragAxis,u=o._data,h=l._element;return dt.add(ht,s._id,function(){e=a.getBoundingClientRect(),i=u.elementClientX-e.left,n=u.elementClientY-e.top,u.container!==h&&(r=E(u.containingBlock,h),u.containerDiffX=r.left,u.containerDiffY=r.top),"y"!==f&&(u.left+=i,u.gridX=u.left-u.containerDiffX),"x"!==f&&(u.top+=n,u.gridY=u.top-u.containerDiffY),d.dragSort&&o._checkSortOverlap()},function(){C(a,{transform:I(u.left,u.top)}),l._emit("dragScroll",s,t)}),o},d.prototype.onEnd=function(t){var e=this,i=e.getItem(),n=i._element,r=e.getGrid(),o=r._settings,s=e._data,a=i._release;return i._isActive?(e.cancelRafLoop(),o.dragSort&&e._checkSortOverlap("finish"),e.unbindScrollListeners(),a.containerDiffX=s.containerDiffX,a.containerDiffY=s.containerDiffY,e.reset(),x(n,o.itemDraggingClass),r._emit("dragEnd",i,t),e._isMigrating?e.finishMigration():a.start(),e):e.stop()},Z.getSlot=function(t,e,i,n,r,o){var s,a,l,d,f,u=[],h={left:null,top:null,width:i,height:n};for(d=0;d<e.length;d++)if(s=e[d],h.width<=s.width+.001&&h.height<=s.height+.001){h.left=s.left,h.top=s.top;break}for(null===h.left&&(h.left=r?0:t.width,h.top=r?t.height:0,o||(l=!0)),r&&h.top+h.height>t.height&&(h.left>0&&u.push({left:0,top:t.height,width:h.left,height:1/0}),h.left+h.width<t.width&&u.push({left:h.left+h.width,top:t.height,width:t.width-h.left-h.width,height:1/0}),t.height=h.top+h.height),!r&&h.left+h.width>t.width&&(h.top>0&&u.push({left:t.width,top:0,width:1/0,height:h.top}),h.top+h.height<t.height&&u.push({left:t.width,top:h.top+h.height,width:1/0,height:t.height-h.top-h.height}),t.width=h.left+h.width),d=o?0:l?e.length:d;d<e.length;d++)for(a=Z.splitRect(e[d],h),f=0;f<a.length;f++)(s=a[f]).width>.49&&s.height>.49&&(r&&s.top<t.height||!r&&s.left<t.width)&&u.push(s);return u.length&&(u=Z.purgeRects(u).sort(r?Z.sortRectsTopLeft:Z.sortRectsLeftTop)),[h,u]},Z.splitRect=function(t,e){var i=[];return Z.doRectsOverlap(t,e)?(t.left<e.left&&i.push({left:t.left,top:t.top,width:e.left-t.left,height:t.height}),t.left+t.width>e.left+e.width&&i.push({left:e.left+e.width,top:t.top,width:t.left+t.width-(e.left+e.width),height:t.height}),t.top<e.top&&i.push({left:t.left,top:t.top,width:t.width,height:e.top-t.top}),t.top+t.height>e.top+e.height&&i.push({left:t.left,top:e.top+e.height,width:t.width,height:t.top+t.height-(e.top+e.height)}),i):[{left:t.left,top:t.top,width:t.width,height:t.height}]},Z.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)},Z.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},Z.purgeRects=function(t){for(var e,i,n,r=t.length;r--;)for(i=t[r],e=t.length;e--;)if(n=t[e],r!==e&&Z.isRectWithinRect(i,n)){t.splice(r,1);break}return t},Z.sortRectsTopLeft=function(t,e){return t.top-e.top||t.left-e.left},Z.sortRectsLeftTop=function(t,e){return t.left-e.left||t.top-e.top},n});