1/*!
2 * Packery PACKAGED v1.4.1
3 * bin-packing layout library
4 *
5 * Licensed GPLv3 for open source use
6 * or Flickity Commercial License for commercial use
7 *
8 * http://packery.metafizzy.co
9 * Copyright 2015 Metafizzy
10 */
11
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define&&define.amd?define("outlayer/outlayer",["eventie/eventie","eventEmitter/EventEmitter","get-size/get-size","fizzy-ui-utils/utils","./item"],function(i,n,o,r,s){return e(t,i,n,o,r,s)}):"object"==typeof exports?module.exports=e(t,require("eventie"),require("wolfy87-eventemitter"),require("get-size"),require("fizzy-ui-utils"),require("./item")):t.Outlayer=e(t,t.eventie,t.EventEmitter,t.getSize,t.fizzyUIUtils,t.Outlayer.Item)}(window,function(t,e,i,n,o,r){function s(t,e){var i=o.getQueryElement(t);if(!i)return a&&a.error("Bad element for "+this.constructor.namespace+": "+(i||t)),void 0;this.element=i,h&&(this.$element=h(this.element)),this.options=o.extend({},this.constructor.defaults),this.option(e);var n=++u;this.element.outlayerGUID=n,c[n]=this,this._create(),this.options.isInitLayout&&this.layout()}var a=t.console,h=t.jQuery,p=function(){},u=0,c={};return s.namespace="outlayer",s.Item=r,s.defaults={containerStyle:{position:"relative"},isInitLayout:!0,isOriginLeft:!0,isOriginTop:!0,isResizeBound:!0,isResizingContainer:!0,transitionDuration:"0.4s",hiddenStyle:{opacity:0,transform:"scale(0.001)"},visibleStyle:{opacity:1,transform:"scale(1)"}},o.extend(s.prototype,i.prototype),s.prototype.option=function(t){o.extend(this.options,t)},s.prototype._create=function(){this.reloadItems(),this.stamps=[],this.stamp(this.options.stamp),o.extend(this.element.style,this.options.containerStyle),this.options.isResizeBound&&this.bindResize()},s.prototype.reloadItems=function(){this.items=this._itemize(this.element.children)},s.prototype._itemize=function(t){for(var e=this._filterFindItemElements(t),i=this.constructor.Item,n=[],o=0,r=e.length;r>o;o++){var s=e[o],a=new i(s,this);n.push(a)}return n},s.prototype._filterFindItemElements=function(t){return o.filterFindElements(t,this.options.itemSelector)},s.prototype.getItemElements=function(){for(var t=[],e=0,i=this.items.length;i>e;e++)t.push(this.items[e].element);return t},s.prototype.layout=function(){this._resetLayout(),this._manageStamps();var t=void 0!==this.options.isLayoutInstant?this.options.isLayoutInstant:!this._isLayoutInited;this.layoutItems(this.items,t),this._isLayoutInited=!0},s.prototype._init=s.prototype.layout,s.prototype._resetLayout=function(){this.getSize()},s.prototype.getSize=function(){this.size=n(this.element)},s.prototype._getMeasurement=function(t,e){var i,r=this.options[t];r?("string"==typeof r?i=this.element.querySelector(r):o.isElement(r)&&(i=r),this[t]=i?n(i)[e]:r):this[t]=0},s.prototype.layoutItems=function(t,e){t=this._getItemsForLayout(t),this._layoutItems(t,e),this._postLayout()},s.prototype._getItemsForLayout=function(t){for(var e=[],i=0,n=t.length;n>i;i++){var o=t[i];o.isIgnored||e.push(o)}return e},s.prototype._layoutItems=function(t,e){if(this._emitCompleteOnItems("layout",t),t&&t.length){for(var i=[],n=0,o=t.length;o>n;n++){var r=t[n],s=this._getItemLayoutPosition(r);s.item=r,s.isInstant=e||r.isLayoutInstant,i.push(s)}this._processLayoutQueue(i)}},s.prototype._getItemLayoutPosition=function(){return{x:0,y:0}},s.prototype._processLayoutQueue=function(t){for(var e=0,i=t.length;i>e;e++){var n=t[e];this._positionItem(n.item,n.x,n.y,n.isInstant)}},s.prototype._positionItem=function(t,e,i,n){n?t.goTo(e,i):t.moveTo(e,i)},s.prototype._postLayout=function(){this.resizeContainer()},s.prototype.resizeContainer=function(){if(this.options.isResizingContainer){var t=this._getContainerSize();t&&(this._setContainerMeasure(t.width,!0),this._setContainerMeasure(t.height,!1))}},s.prototype._getContainerSize=p,s.prototype._setContainerMeasure=function(t,e){if(void 0!==t){var i=this.size;i.isBorderBox&&(t+=e?i.paddingLeft+i.paddingRight+i.borderLeftWidth+i.borderRightWidth:i.paddingBottom+i.paddingTop+i.borderTopWidth+i.borderBottomWidth),t=Math.max(t,0),this.element.style[e?"width":"height"]=t+"px"}},s.prototype._emitCompleteOnItems=function(t,e){function i(){o.emitEvent(t+"Complete",[e])}function n(){s++,s===r&&i()}var o=this,r=e.length;if(!e||!r)return i(),void 0;for(var s=0,a=0,h=e.length;h>a;a++){var p=e[a];p.once(t,n)}},s.prototype.ignore=function(t){var e=this.getItem(t);e&&(e.isIgnored=!0)},s.prototype.unignore=function(t){var e=this.getItem(t);e&&delete e.isIgnored},s.prototype.stamp=function(t){if(t=this._find(t)){this.stamps=this.stamps.concat(t);for(var e=0,i=t.length;i>e;e++){var n=t[e];this.ignore(n)}}},s.prototype.unstamp=function(t){if(t=this._find(t))for(var e=0,i=t.length;i>e;e++){var n=t[e];o.removeFrom(this.stamps,n),this.unignore(n)}},s.prototype._find=function(t){return t?("string"==typeof t&&(t=this.element.querySelectorAll(t)),t=o.makeArray(t)):void 0},s.prototype._manageStamps=function(){if(this.stamps&&this.stamps.length){this._getBoundingRect();for(var t=0,e=this.stamps.length;e>t;t++){var i=this.stamps[t];this._manageStamp(i)}}},s.prototype._getBoundingRect=function(){var t=this.element.getBoundingClientRect(),e=this.size;this._boundingRect={left:t.left+e.paddingLeft+e.borderLeftWidth,top:t.top+e.paddingTop+e.borderTopWidth,right:t.right-(e.paddingRight+e.borderRightWidth),bottom:t.bottom-(e.paddingBottom+e.borderBottomWidth)}},s.prototype._manageStamp=p,s.prototype._getElementOffset=function(t){var e=t.getBoundingClientRect(),i=this._boundingRect,o=n(t),r={left:e.left-i.left-o.marginLeft,top:e.top-i.top-o.marginTop,right:i.right-e.right-o.marginRight,bottom:i.bottom-e.bottom-o.marginBottom};return r},s.prototype.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},s.prototype.bindResize=function(){this.isResizeBound||(e.bind(t,"resize",this),this.isResizeBound=!0)},s.prototype.unbindResize=function(){this.isResizeBound&&e.unbind(t,"resize",this),this.isResizeBound=!1},s.prototype.onresize=function(){function t(){e.resize(),delete e.resizeTimeout}this.resizeTimeout&&clearTimeout(this.resizeTimeout);var e=this;this.resizeTimeout=setTimeout(t,100)},s.prototype.resize=function(){this.isResizeBound&&this.needsResizeLayout()&&this.layout()},s.prototype.needsResizeLayout=function(){var t=n(this.element),e=this.size&&t;return e&&t.innerWidth!==this.size.innerWidth},s.prototype.addItems=function(t){var e=this._itemize(t);return e.length&&(this.items=this.items.concat(e)),e},s.prototype.appended=function(t){var e=this.addItems(t);e.length&&(this.layoutItems(e,!0),this.reveal(e))},s.prototype.prepended=function(t){var e=this._itemize(t);if(e.length){var i=this.items.slice(0);this.items=e.concat(i),this._resetLayout(),this._manageStamps(),this.layoutItems(e,!0),this.reveal(e),this.layoutItems(i)}},s.prototype.reveal=function(t){this._emitCompleteOnItems("reveal",t);for(var e=t&&t.length,i=0;e&&e>i;i++){var n=t[i];n.reveal()}},s.prototype.hide=function(t){this._emitCompleteOnItems("hide",t);for(var e=t&&t.length,i=0;e&&e>i;i++){var n=t[i];n.hide()}},s.prototype.revealItemElements=function(t){var e=this.getItems(t);this.reveal(e)},s.prototype.hideItemElements=function(t){var e=this.getItems(t);this.hide(e)},s.prototype.getItem=function(t){for(var e=0,i=this.items.length;i>e;e++){var n=this.items[e];if(n.element===t)return n}},s.prototype.getItems=function(t){t=o.makeArray(t);for(var e=[],i=0,n=t.length;n>i;i++){var r=t[i],s=this.getItem(r);s&&e.push(s)}return e},s.prototype.remove=function(t){var e=this.getItems(t);if(this._emitCompleteOnItems("remove",e),e&&e.length)for(var i=0,n=e.length;n>i;i++){var r=e[i];r.remove(),o.removeFrom(this.items,r)}},s.prototype.destroy=function(){var t=this.element.style;t.height="",t.position="",t.width="";for(var e=0,i=this.items.length;i>e;e++){var n=this.items[e];n.destroy()}this.unbindResize();var o=this.element.outlayerGUID;delete c[o],delete this.element.outlayerGUID,h&&h.removeData(this.element,this.constructor.namespace)},s.data=function(t){t=o.getQueryElement(t);var e=t&&t.outlayerGUID;return e&&c[e]},s.create=function(t,e){function i(){s.apply(this,arguments)}return Object.create?i.prototype=Object.create(s.prototype):o.extend(i.prototype,s.prototype),i.prototype.constructor=i,i.defaults=o.extend({},s.defaults),o.extend(i.defaults,e),i.prototype.settings={},i.namespace=t,i.data=s.data,i.Item=function(){r.apply(this,arguments)},i.Item.prototype=new r,o.htmlInit(i,t),h&&h.bridget&&h.bridget(t,i),i},s.Item=r,s}),function(t,e){"function"==typeof define&&define.amd?define("packery/js/rect",e):"object"==typeof exports?module.exports=e():(t.Packery=t.Packery||{},t.Packery.Rect=e())}(window,function(){function t(e){for(var i in t.defaults)this[i]=t.defaults[i];for(i in e)this[i]=e[i]}var e=window.Packery=function(){};return e.Rect=t,t.defaults={x:0,y:0,width:0,height:0},t.prototype.contains=function(t){var e=t.width||0,i=t.height||0;return this.x<=t.x&&this.y<=t.y&&this.x+this.width>=t.x+e&&this.y+this.height>=t.y+i},t.prototype.overlaps=function(t){var e=this.x+this.width,i=this.y+this.height,n=t.x+t.width,o=t.y+t.height;return n>this.x&&e>t.x&&o>this.y&&i>t.y},t.prototype.getMaximalFreeRects=function(e){if(!this.overlaps(e))return!1;var i,n=[],o=this.x+this.width,r=this.y+this.height,s=e.x+e.width,a=e.y+e.height;return this.y<e.y&&(i=new t({x:this.x,y:this.y,width:this.width,height:e.y-this.y}),n.push(i)),o>s&&(i=new t({x:s,y:this.y,width:o-s,height:this.height}),n.push(i)),r>a&&(i=new t({x:this.x,y:a,width:this.width,height:r-a}),n.push(i)),this.x<e.x&&(i=new t({x:this.x,y:this.y,width:e.x-this.x,height:this.height}),n.push(i)),n},t.prototype.canFit=function(t){return this.width>=t.width&&this.height>=t.height},t}),function(t,e){if("function"==typeof define&&define.amd)define("packery/js/packer",["./rect"],e);else if("object"==typeof exports)module.exports=e(require("./rect"));else{var i=t.Packery=t.Packery||{};i.Packer=e(i.Rect)}}(window,function(t){function e(t,e,i){this.width=t||0,this.height=e||0,this.sortDirection=i||"downwardLeftToRight",this.reset()}e.prototype.reset=function(){this.spaces=[],this.newSpaces=[];var e=new t({x:0,y:0,width:this.width,height:this.height});this.spaces.push(e),this.sorter=i[this.sortDirection]||i.downwardLeftToRight},e.prototype.pack=function(t){for(var e=0,i=this.spaces.length;i>e;e++){var n=this.spaces[e];if(n.canFit(t)){this.placeInSpace(t,n);break}}},e.prototype.placeInSpace=function(t,e){t.x=e.x,t.y=e.y,this.placed(t)},e.prototype.placed=function(t){for(var e=[],i=0,n=this.spaces.length;n>i;i++){var o=this.spaces[i],r=o.getMaximalFreeRects(t);r?e.push.apply(e,r):e.push(o)}this.spaces=e,this.mergeSortSpaces()},e.prototype.mergeSortSpaces=function(){e.mergeRects(this.spaces),this.spaces.sort(this.sorter)},e.prototype.addSpace=function(t){this.spaces.push(t),this.mergeSortSpaces()},e.mergeRects=function(t){for(var e=0,i=t.length;i>e;e++){var n=t[e];if(n){var o=t.slice(0);o.splice(e,1);for(var r=0,s=0,a=o.length;a>s;s++){var h=o[s],p=e>s?0:1;n.contains(h)&&(t.splice(s+p-r,1),r++)}}}return t};var i={downwardLeftToRight:function(t,e){return t.y-e.y||t.x-e.x},rightwardTopToBottom:function(t,e){return t.x-e.x||t.y-e.y}};return e}),function(t,e){"function"==typeof define&&define.amd?define("packery/js/item",["get-style-property/get-style-property","outlayer/outlayer","./rect"],e):"object"==typeof exports?module.exports=e(require("desandro-get-style-property"),require("outlayer"),require("./rect")):t.Packery.Item=e(t.getStyleProperty,t.Outlayer,t.Packery.Rect)}(window,function(t,e,i){var n=t("transform"),o=function(){e.Item.apply(this,arguments)};o.prototype=new e.Item;var r=o.prototype._create;return o.prototype._create=function(){r.call(this),this.rect=new i,this.placeRect=new i},o.prototype.dragStart=function(){this.getPosition(),this.removeTransitionStyles(),this.isTransitioning&&n&&(this.element.style[n]="none"),this.getSize(),this.isPlacing=!0,this.needsPositioning=!1,this.positionPlaceRect(this.position.x,this.position.y),this.isTransitioning=!1,this.didDrag=!1},o.prototype.dragMove=function(t,e){this.didDrag=!0;var i=this.layout.size;t-=i.paddingLeft,e-=i.paddingTop,this.positionPlaceRect(t,e)},o.prototype.dragStop=function(){this.getPosition();var t=this.position.x!=this.placeRect.x,e=this.position.y!=this.placeRect.y;this.needsPositioning=t||e,this.didDrag=!1},o.prototype.positionPlaceRect=function(t,e,i){this.placeRect.x=this.getPlaceRectCoord(t,!0),this.placeRect.y=this.getPlaceRectCoord(e,!1,i)},o.prototype.getPlaceRectCoord=function(t,e,i){var n=e?"Width":"Height",o=this.size["outer"+n],r=this.layout[e?"columnWidth":"rowHeight"],s=this.layout.size["inner"+n];e||(s=Math.max(s,this.layout.maxY),this.layout.rowHeight||(s-=this.layout.gutter));var a;if(r){r+=this.layout.gutter,s+=e?this.layout.gutter:0,t=Math.round(t/r);var h;h=this.layout.options.isHorizontal?e?"ceil":"floor":e?"floor":"ceil";var p=Math[h](s/r);p-=Math.ceil(o/r),a=p}else a=s-o;return t=i?t:Math.min(t,a),t*=r||1,Math.max(0,t)},o.prototype.copyPlaceRectPosition=function(){this.rect.x=this.placeRect.x,this.rect.y=this.placeRect.y},o.prototype.removeElem=function(){this.element.parentNode.removeChild(this.element),this.layout.packer.addSpace(this.rect),this.emitEvent("remove",[this])},o}),function(t,e){"function"==typeof define&&define.amd?define(["classie/classie","get-size/get-size","outlayer/outlayer","packery/js/rect","packery/js/packer","packery/js/item"],e):"object"==typeof exports?module.exports=e(require("desandro-classie"),require("get-size"),require("outlayer"),require("./rect"),require("./packer"),require("./item")):t.Packery=e(t.classie,t.getSize,t.Outlayer,t.Packery.Rect,t.Packery.Packer,t.Packery.Item)}(window,function(t,e,i,n,o,r){function s(t,e){return t.position.y-e.position.y||t.position.x-e.position.x}function a(t,e){return t.position.x-e.position.x||t.position.y-e.position.y}n.prototype.canFit=function(t){return this.width>=t.width-1&&this.height>=t.height-1};var h=i.create("packery");return h.Item=r,h.prototype._create=function(){i.prototype._create.call(this),this.packer=new o,this.stamp(this.options.stamped);
13var t=this;this.handleDraggabilly={dragStart:function(){t.itemDragStart(this.element)},dragMove:function(){t.itemDragMove(this.element,this.position.x,this.position.y)},dragEnd:function(){t.itemDragEnd(this.element)}},this.handleUIDraggable={start:function(e){t.itemDragStart(e.currentTarget)},drag:function(e,i){t.itemDragMove(e.currentTarget,i.position.left,i.position.top)},stop:function(e){t.itemDragEnd(e.currentTarget)}}},h.prototype._resetLayout=function(){this.getSize(),this._getMeasurements();var t=this.packer;this.options.isHorizontal?(t.width=Number.POSITIVE_INFINITY,t.height=this.size.innerHeight+this.gutter,t.sortDirection="rightwardTopToBottom"):(t.width=this.size.innerWidth+this.gutter,t.height=Number.POSITIVE_INFINITY,t.sortDirection="downwardLeftToRight"),t.reset(),this.maxY=0,this.maxX=0},h.prototype._getMeasurements=function(){this._getMeasurement("columnWidth","width"),this._getMeasurement("rowHeight","height"),this._getMeasurement("gutter","width")},h.prototype._getItemLayoutPosition=function(t){return this._packItem(t),t.rect},h.prototype._packItem=function(t){this._setRectSize(t.element,t.rect),this.packer.pack(t.rect),this._setMaxXY(t.rect)},h.prototype._setMaxXY=function(t){this.maxX=Math.max(t.x+t.width,this.maxX),this.maxY=Math.max(t.y+t.height,this.maxY)},h.prototype._setRectSize=function(t,i){var n=e(t),o=n.outerWidth,r=n.outerHeight;(o||r)&&(o=this._applyGridGutter(o,this.columnWidth),r=this._applyGridGutter(r,this.rowHeight)),i.width=Math.min(o,this.packer.width),i.height=Math.min(r,this.packer.height)},h.prototype._applyGridGutter=function(t,e){if(!e)return t+this.gutter;e+=this.gutter;var i=t%e,n=i&&1>i?"round":"ceil";return t=Math[n](t/e)*e},h.prototype._getContainerSize=function(){return this.options.isHorizontal?{width:this.maxX-this.gutter}:{height:this.maxY-this.gutter}},h.prototype._manageStamp=function(t){var e,i=this.getItem(t);if(i&&i.isPlacing)e=i.placeRect;else{var o=this._getElementOffset(t);e=new n({x:this.options.isOriginLeft?o.left:o.right,y:this.options.isOriginTop?o.top:o.bottom})}this._setRectSize(t,e),this.packer.placed(e),this._setMaxXY(e)},h.prototype.sortItemsByPosition=function(){var t=this.options.isHorizontal?a:s;this.items.sort(t)},h.prototype.fit=function(t,e,i){var n=this.getItem(t);n&&(this._getMeasurements(),this.stamp(n.element),n.getSize(),n.isPlacing=!0,e=void 0===e?n.rect.x:e,i=void 0===i?n.rect.y:i,n.positionPlaceRect(e,i,!0),this._bindFitEvents(n),n.moveTo(n.placeRect.x,n.placeRect.y),this.layout(),this.unstamp(n.element),this.sortItemsByPosition(),n.isPlacing=!1,n.copyPlaceRectPosition())},h.prototype._bindFitEvents=function(t){function e(){n++,2==n&&i.emitEvent("fitComplete",[t])}var i=this,n=0;t.on("layout",function(){return e(),!0}),this.on("layoutComplete",function(){return e(),!0})},h.prototype.resize=function(){var t=e(this.element),i=this.size&&t,n=this.options.isHorizontal?"innerHeight":"innerWidth";i&&t[n]==this.size[n]||this.layout()},h.prototype.itemDragStart=function(t){this.stamp(t);var e=this.getItem(t);e&&e.dragStart()},h.prototype.itemDragMove=function(t,e,i){function n(){r.layout(),delete r.dragTimeout}var o=this.getItem(t);o&&o.dragMove(e,i);var r=this;this.clearDragTimeout(),this.dragTimeout=setTimeout(n,40)},h.prototype.clearDragTimeout=function(){this.dragTimeout&&clearTimeout(this.dragTimeout)},h.prototype.itemDragEnd=function(e){var i,n=this.getItem(e);if(n&&(i=n.didDrag,n.dragStop()),!n||!i&&!n.needsPositioning)return this.unstamp(e),void 0;t.add(n.element,"is-positioning-post-drag");var o=this._getDragEndLayoutComplete(e,n);n.needsPositioning?(n.on("layout",o),n.moveTo(n.placeRect.x,n.placeRect.y)):n&&n.copyPlaceRectPosition(),this.clearDragTimeout(),this.on("layoutComplete",o),this.layout()},h.prototype._getDragEndLayoutComplete=function(e,i){var n=i&&i.needsPositioning,o=0,r=n?2:1,s=this;return function(){return o++,o!=r?!0:(i&&(t.remove(i.element,"is-positioning-post-drag"),i.isPlacing=!1,i.copyPlaceRectPosition()),s.unstamp(e),s.sortItemsByPosition(),n&&s.emitEvent("dragItemPositioned",[i]),!0)}},h.prototype.bindDraggabillyEvents=function(t){t.on("dragStart",this.handleDraggabilly.dragStart),t.on("dragMove",this.handleDraggabilly.dragMove),t.on("dragEnd",this.handleDraggabilly.dragEnd)},h.prototype.bindUIDraggableEvents=function(t){t.on("dragstart",this.handleUIDraggable.start).on("drag",this.handleUIDraggable.drag).on("dragstop",this.handleUIDraggable.stop)},h.Rect=n,h.Packer=o,h});