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Diffstat (limited to 'landing/assets/vendor/isotope-layout/isotope.pkgd.js')
| -rw-r--r-- | landing/assets/vendor/isotope-layout/isotope.pkgd.js | 3563 |
1 files changed, 3563 insertions, 0 deletions
diff --git a/landing/assets/vendor/isotope-layout/isotope.pkgd.js b/landing/assets/vendor/isotope-layout/isotope.pkgd.js new file mode 100644 index 0000000..fde0071 --- /dev/null +++ b/landing/assets/vendor/isotope-layout/isotope.pkgd.js @@ -0,0 +1,3563 @@ +/*! + * Isotope PACKAGED v3.0.6 + * + * Licensed GPLv3 for open source use + * or Isotope Commercial License for commercial use + * + * https://isotope.metafizzy.co + * Copyright 2010-2018 Metafizzy + */ + +/** + * Bridget makes jQuery widgets + * v2.0.1 + * MIT license + */ + +/* jshint browser: true, strict: true, undef: true, unused: true */ + +( function( window, factory ) { + // universal module definition + /*jshint strict: false */ /* globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) { + return factory( window, jQuery ); + }); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory( + window, + require('jquery') + ); + } else { + // browser global + window.jQueryBridget = factory( + window, + window.jQuery + ); + } + +}( window, function factory( window, jQuery ) { +'use strict'; + +// ----- utils ----- // + +var arraySlice = Array.prototype.slice; + +// helper function for logging errors +// $.error breaks jQuery chaining +var console = window.console; +var logError = typeof console == 'undefined' ? function() {} : + function( message ) { + console.error( message ); + }; + +// ----- jQueryBridget ----- // + +function jQueryBridget( namespace, PluginClass, $ ) { + $ = $ || jQuery || window.jQuery; + if ( !$ ) { + return; + } + + // add option method -> $().plugin('option', {...}) + if ( !PluginClass.prototype.option ) { + // option setter + PluginClass.prototype.option = function( opts ) { + // bail out if not an object + if ( !$.isPlainObject( opts ) ){ + return; + } + this.options = $.extend( true, this.options, opts ); + }; + } + + // make jQuery plugin + $.fn[ namespace ] = function( arg0 /*, arg1 */ ) { + if ( typeof arg0 == 'string' ) { + // method call $().plugin( 'methodName', { options } ) + // shift arguments by 1 + var args = arraySlice.call( arguments, 1 ); + return methodCall( this, arg0, args ); + } + // just $().plugin({ options }) + plainCall( this, arg0 ); + return this; + }; + + // $().plugin('methodName') + function methodCall( $elems, methodName, args ) { + var returnValue; + var pluginMethodStr = '$().' + namespace + '("' + methodName + '")'; + + $elems.each( function( i, elem ) { + // get instance + var instance = $.data( elem, namespace ); + if ( !instance ) { + logError( namespace + ' not initialized. Cannot call methods, i.e. ' + + pluginMethodStr ); + return; + } + + var method = instance[ methodName ]; + if ( !method || methodName.charAt(0) == '_' ) { + logError( pluginMethodStr + ' is not a valid method' ); + return; + } + + // apply method, get return value + var value = method.apply( instance, args ); + // set return value if value is returned, use only first value + returnValue = returnValue === undefined ? value : returnValue; + }); + + return returnValue !== undefined ? returnValue : $elems; + } + + function plainCall( $elems, options ) { + $elems.each( function( i, elem ) { + var instance = $.data( elem, namespace ); + if ( instance ) { + // set options & init + instance.option( options ); + instance._init(); + } else { + // initialize new instance + instance = new PluginClass( elem, options ); + $.data( elem, namespace, instance ); + } + }); + } + + updateJQuery( $ ); + +} + +// ----- updateJQuery ----- // + +// set $.bridget for v1 backwards compatibility +function updateJQuery( $ ) { + if ( !$ || ( $ && $.bridget ) ) { + return; + } + $.bridget = jQueryBridget; +} + +updateJQuery( jQuery || window.jQuery ); + +// ----- ----- // + +return jQueryBridget; + +})); + +/** + * EvEmitter v1.1.0 + * Lil' event emitter + * MIT License + */ + +/* jshint unused: true, undef: true, strict: true */ + +( function( global, factory ) { + // universal module definition + /* jshint strict: false */ /* globals define, module, window */ + if ( typeof define == 'function' && define.amd ) { + // AMD - RequireJS + define( 'ev-emitter/ev-emitter',factory ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS - Browserify, Webpack + module.exports = factory(); + } else { + // Browser globals + global.EvEmitter = factory(); + } + +}( typeof window != 'undefined' ? window : this, function() { + + + +function EvEmitter() {} + +var proto = EvEmitter.prototype; + +proto.on = function( eventName, listener ) { + if ( !eventName || !listener ) { + return; + } + // set events hash + var events = this._events = this._events || {}; + // set listeners array + var listeners = events[ eventName ] = events[ eventName ] || []; + // only add once + if ( listeners.indexOf( listener ) == -1 ) { + listeners.push( listener ); + } + + return this; +}; + +proto.once = function( eventName, listener ) { + if ( !eventName || !listener ) { + return; + } + // add event + this.on( eventName, listener ); + // set once flag + // set onceEvents hash + var onceEvents = this._onceEvents = this._onceEvents || {}; + // set onceListeners object + var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {}; + // set flag + onceListeners[ listener ] = true; + + return this; +}; + +proto.off = function( eventName, listener ) { + var listeners = this._events && this._events[ eventName ]; + if ( !listeners || !listeners.length ) { + return; + } + var index = listeners.indexOf( listener ); + if ( index != -1 ) { + listeners.splice( index, 1 ); + } + + return this; +}; + +proto.emitEvent = function( eventName, args ) { + var listeners = this._events && this._events[ eventName ]; + if ( !listeners || !listeners.length ) { + return; + } + // copy over to avoid interference if .off() in listener + listeners = listeners.slice(0); + args = args || []; + // once stuff + var onceListeners = this._onceEvents && this._onceEvents[ eventName ]; + + for ( var i=0; i < listeners.length; i++ ) { + var listener = listeners[i] + var isOnce = onceListeners && onceListeners[ listener ]; + if ( isOnce ) { + // remove listener + // remove before trigger to prevent recursion + this.off( eventName, listener ); + // unset once flag + delete onceListeners[ listener ]; + } + // trigger listener + listener.apply( this, args ); + } + + return this; +}; + +proto.allOff = function() { + delete this._events; + delete this._onceEvents; +}; + +return EvEmitter; + +})); + +/*! + * getSize v2.0.3 + * measure size of elements + * MIT license + */ + +/* jshint browser: true, strict: true, undef: true, unused: true */ +/* globals console: false */ + +( function( window, factory ) { + /* jshint strict: false */ /* globals define, module */ + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'get-size/get-size',factory ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory(); + } else { + // browser global + window.getSize = factory(); + } + +})( window, function factory() { +'use strict'; + +// -------------------------- helpers -------------------------- // + +// get a number from a string, not a percentage +function getStyleSize( value ) { + var num = parseFloat( value ); + // not a percent like '100%', and a number + var isValid = value.indexOf('%') == -1 && !isNaN( num ); + return isValid && num; +} + +function noop() {} + +var logError = typeof console == 'undefined' ? noop : + function( message ) { + console.error( message ); + }; + +// -------------------------- measurements -------------------------- // + +var measurements = [ + 'paddingLeft', + 'paddingRight', + 'paddingTop', + 'paddingBottom', + 'marginLeft', + 'marginRight', + 'marginTop', + 'marginBottom', + 'borderLeftWidth', + 'borderRightWidth', + 'borderTopWidth', + 'borderBottomWidth' +]; + +var measurementsLength = measurements.length; + +function getZeroSize() { + var size = { + width: 0, + height: 0, + innerWidth: 0, + innerHeight: 0, + outerWidth: 0, + outerHeight: 0 + }; + for ( var i=0; i < measurementsLength; i++ ) { + var measurement = measurements[i]; + size[ measurement ] = 0; + } + return size; +} + +// -------------------------- getStyle -------------------------- // + +/** + * getStyle, get style of element, check for Firefox bug + * https://bugzilla.mozilla.org/show_bug.cgi?id=548397 + */ +function getStyle( elem ) { + var style = getComputedStyle( elem ); + if ( !style ) { + logError( 'Style returned ' + style + + '. Are you running this code in a hidden iframe on Firefox? ' + + 'See https://bit.ly/getsizebug1' ); + } + return style; +} + +// -------------------------- setup -------------------------- // + +var isSetup = false; + +var isBoxSizeOuter; + +/** + * setup + * check isBoxSizerOuter + * do on first getSize() rather than on page load for Firefox bug + */ +function setup() { + // setup once + if ( isSetup ) { + return; + } + isSetup = true; + + // -------------------------- box sizing -------------------------- // + + /** + * Chrome & Safari measure the outer-width on style.width on border-box elems + * IE11 & Firefox<29 measures the inner-width + */ + var div = document.createElement('div'); + div.style.width = '200px'; + div.style.padding = '1px 2px 3px 4px'; + div.style.borderStyle = 'solid'; + div.style.borderWidth = '1px 2px 3px 4px'; + div.style.boxSizing = 'border-box'; + + var body = document.body || document.documentElement; + body.appendChild( div ); + var style = getStyle( div ); + // round value for browser zoom. desandro/masonry#928 + isBoxSizeOuter = Math.round( getStyleSize( style.width ) ) == 200; + getSize.isBoxSizeOuter = isBoxSizeOuter; + + body.removeChild( div ); +} + +// -------------------------- getSize -------------------------- // + +function getSize( elem ) { + setup(); + + // use querySeletor if elem is string + if ( typeof elem == 'string' ) { + elem = document.querySelector( elem ); + } + + // do not proceed on non-objects + if ( !elem || typeof elem != 'object' || !elem.nodeType ) { + return; + } + + var style = getStyle( elem ); + + // if hidden, everything is 0 + if ( style.display == 'none' ) { + return getZeroSize(); + } + + var size = {}; + size.width = elem.offsetWidth; + size.height = elem.offsetHeight; + + var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box'; + + // get all measurements + for ( var i=0; i < measurementsLength; i++ ) { + var measurement = measurements[i]; + var value = style[ measurement ]; + var num = parseFloat( value ); + // any 'auto', 'medium' value will be 0 + size[ measurement ] = !isNaN( num ) ? num : 0; + } + + var paddingWidth = size.paddingLeft + size.paddingRight; + var paddingHeight = size.paddingTop + size.paddingBottom; + var marginWidth = size.marginLeft + size.marginRight; + var marginHeight = size.marginTop + size.marginBottom; + var borderWidth = size.borderLeftWidth + size.borderRightWidth; + var borderHeight = size.borderTopWidth + size.borderBottomWidth; + + var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter; + + // overwrite width and height if we can get it from style + var styleWidth = getStyleSize( style.width ); + if ( styleWidth !== false ) { + size.width = styleWidth + + // add padding and border unless it's already including it + ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth ); + } + + var styleHeight = getStyleSize( style.height ); + if ( styleHeight !== false ) { + size.height = styleHeight + + // add padding and border unless it's already including it + ( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight ); + } + + size.innerWidth = size.width - ( paddingWidth + borderWidth ); + size.innerHeight = size.height - ( paddingHeight + borderHeight ); + + size.outerWidth = size.width + marginWidth; + size.outerHeight = size.height + marginHeight; + + return size; +} + +return getSize; + +}); + +/** + * matchesSelector v2.0.2 + * matchesSelector( element, '.selector' ) + * MIT license + */ + +/*jshint browser: true, strict: true, undef: true, unused: true */ + +( function( window, factory ) { + /*global define: false, module: false */ + 'use strict'; + // universal module definition + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'desandro-matches-selector/matches-selector',factory ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory(); + } else { + // browser global + window.matchesSelector = factory(); + } + +}( window, function factory() { + 'use strict'; + + var matchesMethod = ( function() { + var ElemProto = window.Element.prototype; + // check for the standard method name first + if ( ElemProto.matches ) { + return 'matches'; + } + // check un-prefixed + if ( ElemProto.matchesSelector ) { + return 'matchesSelector'; + } + // check vendor prefixes + var prefixes = [ 'webkit', 'moz', 'ms', 'o' ]; + + for ( var i=0; i < prefixes.length; i++ ) { + var prefix = prefixes[i]; + var method = prefix + 'MatchesSelector'; + if ( ElemProto[ method ] ) { + return method; + } + } + })(); + + return function matchesSelector( elem, selector ) { + return elem[ matchesMethod ]( selector ); + }; + +})); + +/** + * Fizzy UI utils v2.0.7 + * MIT license + */ + +/*jshint browser: true, undef: true, unused: true, strict: true */ + +( function( window, factory ) { + // universal module definition + /*jshint strict: false */ /*globals define, module, require */ + + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'fizzy-ui-utils/utils',[ + 'desandro-matches-selector/matches-selector' + ], function( matchesSelector ) { + return factory( window, matchesSelector ); + }); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory( + window, + require('desandro-matches-selector') + ); + } else { + // browser global + window.fizzyUIUtils = factory( + window, + window.matchesSelector + ); + } + +}( window, function factory( window, matchesSelector ) { + + + +var utils = {}; + +// ----- extend ----- // + +// extends objects +utils.extend = function( a, b ) { + for ( var prop in b ) { + a[ prop ] = b[ prop ]; + } + return a; +}; + +// ----- modulo ----- // + +utils.modulo = function( num, div ) { + return ( ( num % div ) + div ) % div; +}; + +// ----- makeArray ----- // + +var arraySlice = Array.prototype.slice; + +// turn element or nodeList into an array +utils.makeArray = function( obj ) { + if ( Array.isArray( obj ) ) { + // use object if already an array + return obj; + } + // return empty array if undefined or null. #6 + if ( obj === null || obj === undefined ) { + return []; + } + + var isArrayLike = typeof obj == 'object' && typeof obj.length == 'number'; + if ( isArrayLike ) { + // convert nodeList to array + return arraySlice.call( obj ); + } + + // array of single index + return [ obj ]; +}; + +// ----- removeFrom ----- // + +utils.removeFrom = function( ary, obj ) { + var index = ary.indexOf( obj ); + if ( index != -1 ) { + ary.splice( index, 1 ); + } +}; + +// ----- getParent ----- // + +utils.getParent = function( elem, selector ) { + while ( elem.parentNode && elem != document.body ) { + elem = elem.parentNode; + if ( matchesSelector( elem, selector ) ) { + return elem; + } + } +}; + +// ----- getQueryElement ----- // + +// use element as selector string +utils.getQueryElement = function( elem ) { + if ( typeof elem == 'string' ) { + return document.querySelector( elem ); + } + return elem; +}; + +// ----- handleEvent ----- // + +// enable .ontype to trigger from .addEventListener( elem, 'type' ) +utils.handleEvent = function( event ) { + var method = 'on' + event.type; + if ( this[ method ] ) { + this[ method ]( event ); + } +}; + +// ----- filterFindElements ----- // + +utils.filterFindElements = function( elems, selector ) { + // make array of elems + elems = utils.makeArray( elems ); + var ffElems = []; + + elems.forEach( function( elem ) { + // check that elem is an actual element + if ( !( elem instanceof HTMLElement ) ) { + return; + } + // add elem if no selector + if ( !selector ) { + ffElems.push( elem ); + return; + } + // filter & find items if we have a selector + // filter + if ( matchesSelector( elem, selector ) ) { + ffElems.push( elem ); + } + // find children + var childElems = elem.querySelectorAll( selector ); + // concat childElems to filterFound array + for ( var i=0; i < childElems.length; i++ ) { + ffElems.push( childElems[i] ); + } + }); + + return ffElems; +}; + +// ----- debounceMethod ----- // + +utils.debounceMethod = function( _class, methodName, threshold ) { + threshold = threshold || 100; + // original method + var method = _class.prototype[ methodName ]; + var timeoutName = methodName + 'Timeout'; + + _class.prototype[ methodName ] = function() { + var timeout = this[ timeoutName ]; + clearTimeout( timeout ); + + var args = arguments; + var _this = this; + this[ timeoutName ] = setTimeout( function() { + method.apply( _this, args ); + delete _this[ timeoutName ]; + }, threshold ); + }; +}; + +// ----- docReady ----- // + +utils.docReady = function( callback ) { + var readyState = document.readyState; + if ( readyState == 'complete' || readyState == 'interactive' ) { + // do async to allow for other scripts to run. metafizzy/flickity#441 + setTimeout( callback ); + } else { + document.addEventListener( 'DOMContentLoaded', callback ); + } +}; + +// ----- htmlInit ----- // + +// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/ +utils.toDashed = function( str ) { + return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) { + return $1 + '-' + $2; + }).toLowerCase(); +}; + +var console = window.console; +/** + * allow user to initialize classes via [data-namespace] or .js-namespace class + * htmlInit( Widget, 'widgetName' ) + * options are parsed from data-namespace-options + */ +utils.htmlInit = function( WidgetClass, namespace ) { + utils.docReady( function() { + var dashedNamespace = utils.toDashed( namespace ); + var dataAttr = 'data-' + dashedNamespace; + var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' ); + var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace ); + var elems = utils.makeArray( dataAttrElems ) + .concat( utils.makeArray( jsDashElems ) ); + var dataOptionsAttr = dataAttr + '-options'; + var jQuery = window.jQuery; + + elems.forEach( function( elem ) { + var attr = elem.getAttribute( dataAttr ) || + elem.getAttribute( dataOptionsAttr ); + var options; + try { + options = attr && JSON.parse( attr ); + } catch ( error ) { + // log error, do not initialize + if ( console ) { + console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className + + ': ' + error ); + } + return; + } + // initialize + var instance = new WidgetClass( elem, options ); + // make available via $().data('namespace') + if ( jQuery ) { + jQuery.data( elem, namespace, instance ); + } + }); + + }); +}; + +// ----- ----- // + +return utils; + +})); + +/** + * Outlayer Item + */ + +( function( window, factory ) { + // universal module definition + /* jshint strict: false */ /* globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD - RequireJS + define( 'outlayer/item',[ + 'ev-emitter/ev-emitter', + 'get-size/get-size' + ], + factory + ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS - Browserify, Webpack + module.exports = factory( + require('ev-emitter'), + require('get-size') + ); + } else { + // browser global + window.Outlayer = {}; + window.Outlayer.Item = factory( + window.EvEmitter, + window.getSize + ); + } + +}( window, function factory( EvEmitter, getSize ) { +'use strict'; + +// ----- helpers ----- // + +function isEmptyObj( obj ) { + for ( var prop in obj ) { + return false; + } + prop = null; + return true; +} + +// -------------------------- CSS3 support -------------------------- // + + +var docElemStyle = document.documentElement.style; + +var transitionProperty = typeof docElemStyle.transition == 'string' ? + 'transition' : 'WebkitTransition'; +var transformProperty = typeof docElemStyle.transform == 'string' ? + 'transform' : 'WebkitTransform'; + +var transitionEndEvent = { + WebkitTransition: 'webkitTransitionEnd', + transition: 'transitionend' +}[ transitionProperty ]; + +// cache all vendor properties that could have vendor prefix +var vendorProperties = { + transform: transformProperty, + transition: transitionProperty, + transitionDuration: transitionProperty + 'Duration', + transitionProperty: transitionProperty + 'Property', + transitionDelay: transitionProperty + 'Delay' +}; + +// -------------------------- Item -------------------------- // + +function Item( element, layout ) { + if ( !element ) { + return; + } + + this.element = element; + // parent layout class, i.e. Masonry, Isotope, or Packery + this.layout = layout; + this.position = { + x: 0, + y: 0 + }; + + this._create(); +} + +// inherit EvEmitter +var proto = Item.prototype = Object.create( EvEmitter.prototype ); +proto.constructor = Item; + +proto._create = function() { + // transition objects + this._transn = { + ingProperties: {}, + clean: {}, + onEnd: {} + }; + + this.css({ + position: 'absolute' + }); +}; + +// trigger specified handler for event type +proto.handleEvent = function( event ) { + var method = 'on' + event.type; + if ( this[ method ] ) { + this[ method ]( event ); + } +}; + +proto.getSize = function() { + this.size = getSize( this.element ); +}; + +/** + * apply CSS styles to element + * @param {Object} style + */ +proto.css = function( style ) { + var elemStyle = this.element.style; + + for ( var prop in style ) { + // use vendor property if available + var supportedProp = vendorProperties[ prop ] || prop; + elemStyle[ supportedProp ] = style[ prop ]; + } +}; + + // measure position, and sets it +proto.getPosition = function() { + var style = getComputedStyle( this.element ); + var isOriginLeft = this.layout._getOption('originLeft'); + var isOriginTop = this.layout._getOption('originTop'); + var xValue = style[ isOriginLeft ? 'left' : 'right' ]; + var yValue = style[ isOriginTop ? 'top' : 'bottom' ]; + var x = parseFloat( xValue ); + var y = parseFloat( yValue ); + // convert percent to pixels + var layoutSize = this.layout.size; + if ( xValue.indexOf('%') != -1 ) { + x = ( x / 100 ) * layoutSize.width; + } + if ( yValue.indexOf('%') != -1 ) { + y = ( y / 100 ) * layoutSize.height; + } + // clean up 'auto' or other non-integer values + x = isNaN( x ) ? 0 : x; + y = isNaN( y ) ? 0 : y; + // remove padding from measurement + x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight; + y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom; + + this.position.x = x; + this.position.y = y; +}; + +// set settled position, apply padding +proto.layoutPosition = function() { + var layoutSize = this.layout.size; + var style = {}; + var isOriginLeft = this.layout._getOption('originLeft'); + var isOriginTop = this.layout._getOption('originTop'); + + // x + var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight'; + var xProperty = isOriginLeft ? 'left' : 'right'; + var xResetProperty = isOriginLeft ? 'right' : 'left'; + + var x = this.position.x + layoutSize[ xPadding ]; + // set in percentage or pixels + style[ xProperty ] = this.getXValue( x ); + // reset other property + style[ xResetProperty ] = ''; + + // y + var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom'; + var yProperty = isOriginTop ? 'top' : 'bottom'; + var yResetProperty = isOriginTop ? 'bottom' : 'top'; + + var y = this.position.y + layoutSize[ yPadding ]; + // set in percentage or pixels + style[ yProperty ] = this.getYValue( y ); + // reset other property + style[ yResetProperty ] = ''; + + this.css( style ); + this.emitEvent( 'layout', [ this ] ); +}; + +proto.getXValue = function( x ) { + var isHorizontal = this.layout._getOption('horizontal'); + return this.layout.options.percentPosition && !isHorizontal ? + ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px'; +}; + +proto.getYValue = function( y ) { + var isHorizontal = this.layout._getOption('horizontal'); + return this.layout.options.percentPosition && isHorizontal ? + ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px'; +}; + +proto._transitionTo = function( x, y ) { + this.getPosition(); + // get current x & y from top/left + var curX = this.position.x; + var curY = this.position.y; + + var didNotMove = x == this.position.x && y == this.position.y; + + // save end position + this.setPosition( x, y ); + + // if did not move and not transitioning, just go to layout + if ( didNotMove && !this.isTransitioning ) { + this.layoutPosition(); + return; + } + + var transX = x - curX; + var transY = y - curY; + var transitionStyle = {}; + transitionStyle.transform = this.getTranslate( transX, transY ); + + this.transition({ + to: transitionStyle, + onTransitionEnd: { + transform: this.layoutPosition + }, + isCleaning: true + }); +}; + +proto.getTranslate = function( x, y ) { + // flip cooridinates if origin on right or bottom + var isOriginLeft = this.layout._getOption('originLeft'); + var isOriginTop = this.layout._getOption('originTop'); + x = isOriginLeft ? x : -x; + y = isOriginTop ? y : -y; + return 'translate3d(' + x + 'px, ' + y + 'px, 0)'; +}; + +// non transition + transform support +proto.goTo = function( x, y ) { + this.setPosition( x, y ); + this.layoutPosition(); +}; + +proto.moveTo = proto._transitionTo; + +proto.setPosition = function( x, y ) { + this.position.x = parseFloat( x ); + this.position.y = parseFloat( y ); +}; + +// ----- transition ----- // + +/** + * @param {Object} style - CSS + * @param {Function} onTransitionEnd + */ + +// non transition, just trigger callback +proto._nonTransition = function( args ) { + this.css( args.to ); + if ( args.isCleaning ) { + this._removeStyles( args.to ); + } + for ( var prop in args.onTransitionEnd ) { + args.onTransitionEnd[ prop ].call( this ); + } +}; + +/** + * proper transition + * @param {Object} args - arguments + * @param {Object} to - style to transition to + * @param {Object} from - style to start transition from + * @param {Boolean} isCleaning - removes transition styles after transition + * @param {Function} onTransitionEnd - callback + */ +proto.transition = function( args ) { + // redirect to nonTransition if no transition duration + if ( !parseFloat( this.layout.options.transitionDuration ) ) { + this._nonTransition( args ); + return; + } + + var _transition = this._transn; + // keep track of onTransitionEnd callback by css property + for ( var prop in args.onTransitionEnd ) { + _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ]; + } + // keep track of properties that are transitioning + for ( prop in args.to ) { + _transition.ingProperties[ prop ] = true; + // keep track of properties to clean up when transition is done + if ( args.isCleaning ) { + _transition.clean[ prop ] = true; + } + } + + // set from styles + if ( args.from ) { + this.css( args.from ); + // force redraw. http://blog.alexmaccaw.com/css-transitions + var h = this.element.offsetHeight; + // hack for JSHint to hush about unused var + h = null; + } + // enable transition + this.enableTransition( args.to ); + // set styles that are transitioning + this.css( args.to ); + + this.isTransitioning = true; + +}; + +// dash before all cap letters, including first for +// WebkitTransform => -webkit-transform +function toDashedAll( str ) { + return str.replace( /([A-Z])/g, function( $1 ) { + return '-' + $1.toLowerCase(); + }); +} + +var transitionProps = 'opacity,' + toDashedAll( transformProperty ); + +proto.enableTransition = function(/* style */) { + // HACK changing transitionProperty during a transition + // will cause transition to jump + if ( this.isTransitioning ) { + return; + } + + // make `transition: foo, bar, baz` from style object + // HACK un-comment this when enableTransition can work + // while a transition is happening + // var transitionValues = []; + // for ( var prop in style ) { + // // dash-ify camelCased properties like WebkitTransition + // prop = vendorProperties[ prop ] || prop; + // transitionValues.push( toDashedAll( prop ) ); + // } + // munge number to millisecond, to match stagger + var duration = this.layout.options.transitionDuration; + duration = typeof duration == 'number' ? duration + 'ms' : duration; + // enable transition styles + this.css({ + transitionProperty: transitionProps, + transitionDuration: duration, + transitionDelay: this.staggerDelay || 0 + }); + // listen for transition end event + this.element.addEventListener( transitionEndEvent, this, false ); +}; + +// ----- events ----- // + +proto.onwebkitTransitionEnd = function( event ) { + this.ontransitionend( event ); +}; + +proto.onotransitionend = function( event ) { + this.ontransitionend( event ); +}; + +// properties that I munge to make my life easier +var dashedVendorProperties = { + '-webkit-transform': 'transform' +}; + +proto.ontransitionend = function( event ) { + // disregard bubbled events from children + if ( event.target !== this.element ) { + return; + } + var _transition = this._transn; + // get property name of transitioned property, convert to prefix-free + var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName; + + // remove property that has completed transitioning + delete _transition.ingProperties[ propertyName ]; + // check if any properties are still transitioning + if ( isEmptyObj( _transition.ingProperties ) ) { + // all properties have completed transitioning + this.disableTransition(); + } + // clean style + if ( propertyName in _transition.clean ) { + // clean up style + this.element.style[ event.propertyName ] = ''; + delete _transition.clean[ propertyName ]; + } + // trigger onTransitionEnd callback + if ( propertyName in _transition.onEnd ) { + var onTransitionEnd = _transition.onEnd[ propertyName ]; + onTransitionEnd.call( this ); + delete _transition.onEnd[ propertyName ]; + } + + this.emitEvent( 'transitionEnd', [ this ] ); +}; + +proto.disableTransition = function() { + this.removeTransitionStyles(); + this.element.removeEventListener( transitionEndEvent, this, false ); + this.isTransitioning = false; +}; + +/** + * removes style property from element + * @param {Object} style +**/ +proto._removeStyles = function( style ) { + // clean up transition styles + var cleanStyle = {}; + for ( var prop in style ) { + cleanStyle[ prop ] = ''; + } + this.css( cleanStyle ); +}; + +var cleanTransitionStyle = { + transitionProperty: '', + transitionDuration: '', + transitionDelay: '' +}; + +proto.removeTransitionStyles = function() { + // remove transition + this.css( cleanTransitionStyle ); +}; + +// ----- stagger ----- // + +proto.stagger = function( delay ) { + delay = isNaN( delay ) ? 0 : delay; + this.staggerDelay = delay + 'ms'; +}; + +// ----- show/hide/remove ----- // + +// remove element from DOM +proto.removeElem = function() { + this.element.parentNode.removeChild( this.element ); + // remove display: none + this.css({ display: '' }); + this.emitEvent( 'remove', [ this ] ); +}; + +proto.remove = function() { + // just remove element if no transition support or no transition + if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) { + this.removeElem(); + return; + } + + // start transition + this.once( 'transitionEnd', function() { + this.removeElem(); + }); + this.hide(); +}; + +proto.reveal = function() { + delete this.isHidden; + // remove display: none + this.css({ display: '' }); + + var options = this.layout.options; + + var onTransitionEnd = {}; + var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle'); + onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd; + + this.transition({ + from: options.hiddenStyle, + to: options.visibleStyle, + isCleaning: true, + onTransitionEnd: onTransitionEnd + }); +}; + +proto.onRevealTransitionEnd = function() { + // check if still visible + // during transition, item may have been hidden + if ( !this.isHidden ) { + this.emitEvent('reveal'); + } +}; + +/** + * get style property use for hide/reveal transition end + * @param {String} styleProperty - hiddenStyle/visibleStyle + * @returns {String} + */ +proto.getHideRevealTransitionEndProperty = function( styleProperty ) { + var optionStyle = this.layout.options[ styleProperty ]; + // use opacity + if ( optionStyle.opacity ) { + return 'opacity'; + } + // get first property + for ( var prop in optionStyle ) { + return prop; + } +}; + +proto.hide = function() { + // set flag + this.isHidden = true; + // remove display: none + this.css({ display: '' }); + + var options = this.layout.options; + + var onTransitionEnd = {}; + var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle'); + onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd; + + this.transition({ + from: options.visibleStyle, + to: options.hiddenStyle, + // keep hidden stuff hidden + isCleaning: true, + onTransitionEnd: onTransitionEnd + }); +}; + +proto.onHideTransitionEnd = function() { + // check if still hidden + // during transition, item may have been un-hidden + if ( this.isHidden ) { + this.css({ display: 'none' }); + this.emitEvent('hide'); + } +}; + +proto.destroy = function() { + this.css({ + position: '', + left: '', + right: '', + top: '', + bottom: '', + transition: '', + transform: '' + }); +}; + +return Item; + +})); + +/*! + * Outlayer v2.1.1 + * the brains and guts of a layout library + * MIT license + */ + +( function( window, factory ) { + 'use strict'; + // universal module definition + /* jshint strict: false */ /* globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD - RequireJS + define( 'outlayer/outlayer',[ + 'ev-emitter/ev-emitter', + 'get-size/get-size', + 'fizzy-ui-utils/utils', + './item' + ], + function( EvEmitter, getSize, utils, Item ) { + return factory( window, EvEmitter, getSize, utils, Item); + } + ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS - Browserify, Webpack + module.exports = factory( + window, + require('ev-emitter'), + require('get-size'), + require('fizzy-ui-utils'), + require('./item') + ); + } else { + // browser global + window.Outlayer = factory( + window, + window.EvEmitter, + window.getSize, + window.fizzyUIUtils, + window.Outlayer.Item + ); + } + +}( window, function factory( window, EvEmitter, getSize, utils, Item ) { +'use strict'; + +// ----- vars ----- // + +var console = window.console; +var jQuery = window.jQuery; +var noop = function() {}; + +// -------------------------- Outlayer -------------------------- // + +// globally unique identifiers +var GUID = 0; +// internal store of all Outlayer intances +var instances = {}; + + +/** + * @param {Element, String} element + * @param {Object} options + * @constructor + */ +function Outlayer( element, options ) { + var queryElement = utils.getQueryElement( element ); + if ( !queryElement ) { + if ( console ) { + console.error( 'Bad element for ' + this.constructor.namespace + + ': ' + ( queryElement || element ) ); + } + return; + } + this.element = queryElement; + // add jQuery + if ( jQuery ) { + this.$element = jQuery( this.element ); + } + + // options + this.options = utils.extend( {}, this.constructor.defaults ); + this.option( options ); + + // add id for Outlayer.getFromElement + var id = ++GUID; + this.element.outlayerGUID = id; // expando + instances[ id ] = this; // associate via id + + // kick it off + this._create(); + + var isInitLayout = this._getOption('initLayout'); + if ( isInitLayout ) { + this.layout(); + } +} + +// settings are for internal use only +Outlayer.namespace = 'outlayer'; +Outlayer.Item = Item; + +// default options +Outlayer.defaults = { + containerStyle: { + position: 'relative' + }, + initLayout: true, + originLeft: true, + originTop: true, + resize: true, + resizeContainer: true, + // item options + transitionDuration: '0.4s', + hiddenStyle: { + opacity: 0, + transform: 'scale(0.001)' + }, + visibleStyle: { + opacity: 1, + transform: 'scale(1)' + } +}; + +var proto = Outlayer.prototype; +// inherit EvEmitter +utils.extend( proto, EvEmitter.prototype ); + +/** + * set options + * @param {Object} opts + */ +proto.option = function( opts ) { + utils.extend( this.options, opts ); +}; + +/** + * get backwards compatible option value, check old name + */ +proto._getOption = function( option ) { + var oldOption = this.constructor.compatOptions[ option ]; + return oldOption && this.options[ oldOption ] !== undefined ? + this.options[ oldOption ] : this.options[ option ]; +}; + +Outlayer.compatOptions = { + // currentName: oldName + initLayout: 'isInitLayout', + horizontal: 'isHorizontal', + layoutInstant: 'isLayoutInstant', + originLeft: 'isOriginLeft', + originTop: 'isOriginTop', + resize: 'isResizeBound', + resizeContainer: 'isResizingContainer' +}; + +proto._create = function() { + // get items from children + this.reloadItems(); + // elements that affect layout, but are not laid out + this.stamps = []; + this.stamp( this.options.stamp ); + // set container style + utils.extend( this.element.style, this.options.containerStyle ); + + // bind resize method + var canBindResize = this._getOption('resize'); + if ( canBindResize ) { + this.bindResize(); + } +}; + +// goes through all children again and gets bricks in proper order +proto.reloadItems = function() { + // collection of item elements + this.items = this._itemize( this.element.children ); +}; + + +/** + * turn elements into Outlayer.Items to be used in layout + * @param {Array or NodeList or HTMLElement} elems + * @returns {Array} items - collection of new Outlayer Items + */ +proto._itemize = function( elems ) { + + var itemElems = this._filterFindItemElements( elems ); + var Item = this.constructor.Item; + + // create new Outlayer Items for collection + var items = []; + for ( var i=0; i < itemElems.length; i++ ) { + var elem = itemElems[i]; + var item = new Item( elem, this ); + items.push( item ); + } + + return items; +}; + +/** + * get item elements to be used in layout + * @param {Array or NodeList or HTMLElement} elems + * @returns {Array} items - item elements + */ +proto._filterFindItemElements = function( elems ) { + return utils.filterFindElements( elems, this.options.itemSelector ); +}; + +/** + * getter method for getting item elements + * @returns {Array} elems - collection of item elements + */ +proto.getItemElements = function() { + return this.items.map( function( item ) { + return item.element; + }); +}; + +// ----- init & layout ----- // + +/** + * lays out all items + */ +proto.layout = function() { + this._resetLayout(); + this._manageStamps(); + + // don't animate first layout + var layoutInstant = this._getOption('layoutInstant'); + var isInstant = layoutInstant !== undefined ? + layoutInstant : !this._isLayoutInited; + this.layoutItems( this.items, isInstant ); + + // flag for initalized + this._isLayoutInited = true; +}; + +// _init is alias for layout +proto._init = proto.layout; + +/** + * logic before any new layout + */ +proto._resetLayout = function() { + this.getSize(); +}; + + +proto.getSize = function() { + this.size = getSize( this.element ); +}; + +/** + * get measurement from option, for columnWidth, rowHeight, gutter + * if option is String -> get element from selector string, & get size of element + * if option is Element -> get size of element + * else use option as a number + * + * @param {String} measurement + * @param {String} size - width or height + * @private + */ +proto._getMeasurement = function( measurement, size ) { + var option = this.options[ measurement ]; + var elem; + if ( !option ) { + // default to 0 + this[ measurement ] = 0; + } else { + // use option as an element + if ( typeof option == 'string' ) { + elem = this.element.querySelector( option ); + } else if ( option instanceof HTMLElement ) { + elem = option; + } + // use size of element, if element + this[ measurement ] = elem ? getSize( elem )[ size ] : option; + } +}; + +/** + * layout a collection of item elements + * @api public + */ +proto.layoutItems = function( items, isInstant ) { + items = this._getItemsForLayout( items ); + + this._layoutItems( items, isInstant ); + + this._postLayout(); +}; + +/** + * get the items to be laid out + * you may want to skip over some items + * @param {Array} items + * @returns {Array} items + */ +proto._getItemsForLayout = function( items ) { + return items.filter( function( item ) { + return !item.isIgnored; + }); +}; + +/** + * layout items + * @param {Array} items + * @param {Boolean} isInstant + */ +proto._layoutItems = function( items, isInstant ) { + this._emitCompleteOnItems( 'layout', items ); + + if ( !items || !items.length ) { + // no items, emit event with empty array + return; + } + + var queue = []; + + items.forEach( function( item ) { + // get x/y object from method + var position = this._getItemLayoutPosition( item ); + // enqueue + position.item = item; + position.isInstant = isInstant || item.isLayoutInstant; + queue.push( position ); + }, this ); + + this._processLayoutQueue( queue ); +}; + +/** + * get item layout position + * @param {Outlayer.Item} item + * @returns {Object} x and y position + */ +proto._getItemLayoutPosition = function( /* item */ ) { + return { + x: 0, + y: 0 + }; +}; + +/** + * iterate over array and position each item + * Reason being - separating this logic prevents 'layout invalidation' + * thx @paul_irish + * @param {Array} queue + */ +proto._processLayoutQueue = function( queue ) { + this.updateStagger(); + queue.forEach( function( obj, i ) { + this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i ); + }, this ); +}; + +// set stagger from option in milliseconds number +proto.updateStagger = function() { + var stagger = this.options.stagger; + if ( stagger === null || stagger === undefined ) { + this.stagger = 0; + return; + } + this.stagger = getMilliseconds( stagger ); + return this.stagger; +}; + +/** + * Sets position of item in DOM + * @param {Outlayer.Item} item + * @param {Number} x - horizontal position + * @param {Number} y - vertical position + * @param {Boolean} isInstant - disables transitions + */ +proto._positionItem = function( item, x, y, isInstant, i ) { + if ( isInstant ) { + // if not transition, just set CSS + item.goTo( x, y ); + } else { + item.stagger( i * this.stagger ); + item.moveTo( x, y ); + } +}; + +/** + * Any logic you want to do after each layout, + * i.e. size the container + */ +proto._postLayout = function() { + this.resizeContainer(); +}; + +proto.resizeContainer = function() { + var isResizingContainer = this._getOption('resizeContainer'); + if ( !isResizingContainer ) { + return; + } + var size = this._getContainerSize(); + if ( size ) { + this._setContainerMeasure( size.width, true ); + this._setContainerMeasure( size.height, false ); + } +}; + +/** + * Sets width or height of container if returned + * @returns {Object} size + * @param {Number} width + * @param {Number} height + */ +proto._getContainerSize = noop; + +/** + * @param {Number} measure - size of width or height + * @param {Boolean} isWidth + */ +proto._setContainerMeasure = function( measure, isWidth ) { + if ( measure === undefined ) { + return; + } + + var elemSize = this.size; + // add padding and border width if border box + if ( elemSize.isBorderBox ) { + measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight + + elemSize.borderLeftWidth + elemSize.borderRightWidth : + elemSize.paddingBottom + elemSize.paddingTop + + elemSize.borderTopWidth + elemSize.borderBottomWidth; + } + + measure = Math.max( measure, 0 ); + this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px'; +}; + +/** + * emit eventComplete on a collection of items events + * @param {String} eventName + * @param {Array} items - Outlayer.Items + */ +proto._emitCompleteOnItems = function( eventName, items ) { + var _this = this; + function onComplete() { + _this.dispatchEvent( eventName + 'Complete', null, [ items ] ); + } + + var count = items.length; + if ( !items || !count ) { + onComplete(); + return; + } + + var doneCount = 0; + function tick() { + doneCount++; + if ( doneCount == count ) { + onComplete(); + } + } + + // bind callback + items.forEach( function( item ) { + item.once( eventName, tick ); + }); +}; + +/** + * emits events via EvEmitter and jQuery events + * @param {String} type - name of event + * @param {Event} event - original event + * @param {Array} args - extra arguments + */ +proto.dispatchEvent = function( type, event, args ) { + // add original event to arguments + var emitArgs = event ? [ event ].concat( args ) : args; + this.emitEvent( type, emitArgs ); + + if ( jQuery ) { + // set this.$element + this.$element = this.$element || jQuery( this.element ); + if ( event ) { + // create jQuery event + var $event = jQuery.Event( event ); + $event.type = type; + this.$element.trigger( $event, args ); + } else { + // just trigger with type if no event available + this.$element.trigger( type, args ); + } + } +}; + +// -------------------------- ignore & stamps -------------------------- // + + +/** + * keep item in collection, but do not lay it out + * ignored items do not get skipped in layout + * @param {Element} elem + */ +proto.ignore = function( elem ) { + var item = this.getItem( elem ); + if ( item ) { + item.isIgnored = true; + } +}; + +/** + * return item to layout collection + * @param {Element} elem + */ +proto.unignore = function( elem ) { + var item = this.getItem( elem ); + if ( item ) { + delete item.isIgnored; + } +}; + +/** + * adds elements to stamps + * @param {NodeList, Array, Element, or String} elems + */ +proto.stamp = function( elems ) { + elems = this._find( elems ); + if ( !elems ) { + return; + } + + this.stamps = this.stamps.concat( elems ); + // ignore + elems.forEach( this.ignore, this ); +}; + +/** + * removes elements to stamps + * @param {NodeList, Array, or Element} elems + */ +proto.unstamp = function( elems ) { + elems = this._find( elems ); + if ( !elems ){ + return; + } + + elems.forEach( function( elem ) { + // filter out removed stamp elements + utils.removeFrom( this.stamps, elem ); + this.unignore( elem ); + }, this ); +}; + +/** + * finds child elements + * @param {NodeList, Array, Element, or String} elems + * @returns {Array} elems + */ +proto._find = function( elems ) { + if ( !elems ) { + return; + } + // if string, use argument as selector string + if ( typeof elems == 'string' ) { + elems = this.element.querySelectorAll( elems ); + } + elems = utils.makeArray( elems ); + return elems; +}; + +proto._manageStamps = function() { + if ( !this.stamps || !this.stamps.length ) { + return; + } + + this._getBoundingRect(); + + this.stamps.forEach( this._manageStamp, this ); +}; + +// update boundingLeft / Top +proto._getBoundingRect = function() { + // get bounding rect for container element + var boundingRect = this.element.getBoundingClientRect(); + var size = this.size; + this._boundingRect = { + left: boundingRect.left + size.paddingLeft + size.borderLeftWidth, + top: boundingRect.top + size.paddingTop + size.borderTopWidth, + right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ), + bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth ) + }; +}; + +/** + * @param {Element} stamp +**/ +proto._manageStamp = noop; + +/** + * get x/y position of element relative to container element + * @param {Element} elem + * @returns {Object} offset - has left, top, right, bottom + */ +proto._getElementOffset = function( elem ) { + var boundingRect = elem.getBoundingClientRect(); + var thisRect = this._boundingRect; + var size = getSize( elem ); + var offset = { + left: boundingRect.left - thisRect.left - size.marginLeft, + top: boundingRect.top - thisRect.top - size.marginTop, + right: thisRect.right - boundingRect.right - size.marginRight, + bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom + }; + return offset; +}; + +// -------------------------- resize -------------------------- // + +// enable event handlers for listeners +// i.e. resize -> onresize +proto.handleEvent = utils.handleEvent; + +/** + * Bind layout to window resizing + */ +proto.bindResize = function() { + window.addEventListener( 'resize', this ); + this.isResizeBound = true; +}; + +/** + * Unbind layout to window resizing + */ +proto.unbindResize = function() { + window.removeEventListener( 'resize', this ); + this.isResizeBound = false; +}; + +proto.onresize = function() { + this.resize(); +}; + +utils.debounceMethod( Outlayer, 'onresize', 100 ); + +proto.resize = function() { + // don't trigger if size did not change + // or if resize was unbound. See #9 + if ( !this.isResizeBound || !this.needsResizeLayout() ) { + return; + } + + this.layout(); +}; + +/** + * check if layout is needed post layout + * @returns Boolean + */ +proto.needsResizeLayout = function() { + var size = getSize( this.element ); + // check that this.size and size are there + // IE8 triggers resize on body size change, so they might not be + var hasSizes = this.size && size; + return hasSizes && size.innerWidth !== this.size.innerWidth; +}; + +// -------------------------- methods -------------------------- // + +/** + * add items to Outlayer instance + * @param {Array or NodeList or Element} elems + * @returns {Array} items - Outlayer.Items +**/ +proto.addItems = function( elems ) { + var items = this._itemize( elems ); + // add items to collection + if ( items.length ) { + this.items = this.items.concat( items ); + } + return items; +}; + +/** + * Layout newly-appended item elements + * @param {Array or NodeList or Element} elems + */ +proto.appended = function( elems ) { + var items = this.addItems( elems ); + if ( !items.length ) { + return; + } + // layout and reveal just the new items + this.layoutItems( items, true ); + this.reveal( items ); +}; + +/** + * Layout prepended elements + * @param {Array or NodeList or Element} elems + */ +proto.prepended = function( elems ) { + var items = this._itemize( elems ); + if ( !items.length ) { + return; + } + // add items to beginning of collection + var previousItems = this.items.slice(0); + this.items = items.concat( previousItems ); + // start new layout + this._resetLayout(); + this._manageStamps(); + // layout new stuff without transition + this.layoutItems( items, true ); + this.reveal( items ); + // layout previous items + this.layoutItems( previousItems ); +}; + +/** + * reveal a collection of items + * @param {Array of Outlayer.Items} items + */ +proto.reveal = function( items ) { + this._emitCompleteOnItems( 'reveal', items ); + if ( !items || !items.length ) { + return; + } + var stagger = this.updateStagger(); + items.forEach( function( item, i ) { + item.stagger( i * stagger ); + item.reveal(); + }); +}; + +/** + * hide a collection of items + * @param {Array of Outlayer.Items} items + */ +proto.hide = function( items ) { + this._emitCompleteOnItems( 'hide', items ); + if ( !items || !items.length ) { + return; + } + var stagger = this.updateStagger(); + items.forEach( function( item, i ) { + item.stagger( i * stagger ); + item.hide(); + }); +}; + +/** + * reveal item elements + * @param {Array}, {Element}, {NodeList} items + */ +proto.revealItemElements = function( elems ) { + var items = this.getItems( elems ); + this.reveal( items ); +}; + +/** + * hide item elements + * @param {Array}, {Element}, {NodeList} items + */ +proto.hideItemElements = function( elems ) { + var items = this.getItems( elems ); + this.hide( items ); +}; + +/** + * get Outlayer.Item, given an Element + * @param {Element} elem + * @param {Function} callback + * @returns {Outlayer.Item} item + */ +proto.getItem = function( elem ) { + // loop through items to get the one that matches + for ( var i=0; i < this.items.length; i++ ) { + var item = this.items[i]; + if ( item.element == elem ) { + // return item + return item; + } + } +}; + +/** + * get collection of Outlayer.Items, given Elements + * @param {Array} elems + * @returns {Array} items - Outlayer.Items + */ +proto.getItems = function( elems ) { + elems = utils.makeArray( elems ); + var items = []; + elems.forEach( function( elem ) { + var item = this.getItem( elem ); + if ( item ) { + items.push( item ); + } + }, this ); + + return items; +}; + +/** + * remove element(s) from instance and DOM + * @param {Array or NodeList or Element} elems + */ +proto.remove = function( elems ) { + var removeItems = this.getItems( elems ); + + this._emitCompleteOnItems( 'remove', removeItems ); + + // bail if no items to remove + if ( !removeItems || !removeItems.length ) { + return; + } + + removeItems.forEach( function( item ) { + item.remove(); + // remove item from collection + utils.removeFrom( this.items, item ); + }, this ); +}; + +// ----- destroy ----- // + +// remove and disable Outlayer instance +proto.destroy = function() { + // clean up dynamic styles + var style = this.element.style; + style.height = ''; + style.position = ''; + style.width = ''; + // destroy items + this.items.forEach( function( item ) { + item.destroy(); + }); + + this.unbindResize(); + + var id = this.element.outlayerGUID; + delete instances[ id ]; // remove reference to instance by id + delete this.element.outlayerGUID; + // remove data for jQuery + if ( jQuery ) { + jQuery.removeData( this.element, this.constructor.namespace ); + } + +}; + +// -------------------------- data -------------------------- // + +/** + * get Outlayer instance from element + * @param {Element} elem + * @returns {Outlayer} + */ +Outlayer.data = function( elem ) { + elem = utils.getQueryElement( elem ); + var id = elem && elem.outlayerGUID; + return id && instances[ id ]; +}; + + +// -------------------------- create Outlayer class -------------------------- // + +/** + * create a layout class + * @param {String} namespace + */ +Outlayer.create = function( namespace, options ) { + // sub-class Outlayer + var Layout = subclass( Outlayer ); + // apply new options and compatOptions + Layout.defaults = utils.extend( {}, Outlayer.defaults ); + utils.extend( Layout.defaults, options ); + Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions ); + + Layout.namespace = namespace; + + Layout.data = Outlayer.data; + + // sub-class Item + Layout.Item = subclass( Item ); + + // -------------------------- declarative -------------------------- // + + utils.htmlInit( Layout, namespace ); + + // -------------------------- jQuery bridge -------------------------- // + + // make into jQuery plugin + if ( jQuery && jQuery.bridget ) { + jQuery.bridget( namespace, Layout ); + } + + return Layout; +}; + +function subclass( Parent ) { + function SubClass() { + Parent.apply( this, arguments ); + } + + SubClass.prototype = Object.create( Parent.prototype ); + SubClass.prototype.constructor = SubClass; + + return SubClass; +} + +// ----- helpers ----- // + +// how many milliseconds are in each unit +var msUnits = { + ms: 1, + s: 1000 +}; + +// munge time-like parameter into millisecond number +// '0.4s' -> 40 +function getMilliseconds( time ) { + if ( typeof time == 'number' ) { + return time; + } + var matches = time.match( /(^\d*\.?\d*)(\w*)/ ); + var num = matches && matches[1]; + var unit = matches && matches[2]; + if ( !num.length ) { + return 0; + } + num = parseFloat( num ); + var mult = msUnits[ unit ] || 1; + return num * mult; +} + +// ----- fin ----- // + +// back in global +Outlayer.Item = Item; + +return Outlayer; + +})); + +/** + * Isotope Item +**/ + +( function( window, factory ) { + // universal module definition + /* jshint strict: false */ /*globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'isotope-layout/js/item',[ + 'outlayer/outlayer' + ], + factory ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory( + require('outlayer') + ); + } else { + // browser global + window.Isotope = window.Isotope || {}; + window.Isotope.Item = factory( + window.Outlayer + ); + } + +}( window, function factory( Outlayer ) { +'use strict'; + +// -------------------------- Item -------------------------- // + +// sub-class Outlayer Item +function Item() { + Outlayer.Item.apply( this, arguments ); +} + +var proto = Item.prototype = Object.create( Outlayer.Item.prototype ); + +var _create = proto._create; +proto._create = function() { + // assign id, used for original-order sorting + this.id = this.layout.itemGUID++; + _create.call( this ); + this.sortData = {}; +}; + +proto.updateSortData = function() { + if ( this.isIgnored ) { + return; + } + // default sorters + this.sortData.id = this.id; + // for backward compatibility + this.sortData['original-order'] = this.id; + this.sortData.random = Math.random(); + // go thru getSortData obj and apply the sorters + var getSortData = this.layout.options.getSortData; + var sorters = this.layout._sorters; + for ( var key in getSortData ) { + var sorter = sorters[ key ]; + this.sortData[ key ] = sorter( this.element, this ); + } +}; + +var _destroy = proto.destroy; +proto.destroy = function() { + // call super + _destroy.apply( this, arguments ); + // reset display, #741 + this.css({ + display: '' + }); +}; + +return Item; + +})); + +/** + * Isotope LayoutMode + */ + +( function( window, factory ) { + // universal module definition + /* jshint strict: false */ /*globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'isotope-layout/js/layout-mode',[ + 'get-size/get-size', + 'outlayer/outlayer' + ], + factory ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory( + require('get-size'), + require('outlayer') + ); + } else { + // browser global + window.Isotope = window.Isotope || {}; + window.Isotope.LayoutMode = factory( + window.getSize, + window.Outlayer + ); + } + +}( window, function factory( getSize, Outlayer ) { + 'use strict'; + + // layout mode class + function LayoutMode( isotope ) { + this.isotope = isotope; + // link properties + if ( isotope ) { + this.options = isotope.options[ this.namespace ]; + this.element = isotope.element; + this.items = isotope.filteredItems; + this.size = isotope.size; + } + } + + var proto = LayoutMode.prototype; + + /** + * some methods should just defer to default Outlayer method + * and reference the Isotope instance as `this` + **/ + var facadeMethods = [ + '_resetLayout', + '_getItemLayoutPosition', + '_manageStamp', + '_getContainerSize', + '_getElementOffset', + 'needsResizeLayout', + '_getOption' + ]; + + facadeMethods.forEach( function( methodName ) { + proto[ methodName ] = function() { + return Outlayer.prototype[ methodName ].apply( this.isotope, arguments ); + }; + }); + + // ----- ----- // + + // for horizontal layout modes, check vertical size + proto.needsVerticalResizeLayout = function() { + // don't trigger if size did not change + var size = getSize( this.isotope.element ); + // check that this.size and size are there + // IE8 triggers resize on body size change, so they might not be + var hasSizes = this.isotope.size && size; + return hasSizes && size.innerHeight != this.isotope.size.innerHeight; + }; + + // ----- measurements ----- // + + proto._getMeasurement = function() { + this.isotope._getMeasurement.apply( this, arguments ); + }; + + proto.getColumnWidth = function() { + this.getSegmentSize( 'column', 'Width' ); + }; + + proto.getRowHeight = function() { + this.getSegmentSize( 'row', 'Height' ); + }; + + /** + * get columnWidth or rowHeight + * segment: 'column' or 'row' + * size 'Width' or 'Height' + **/ + proto.getSegmentSize = function( segment, size ) { + var segmentName = segment + size; + var outerSize = 'outer' + size; + // columnWidth / outerWidth // rowHeight / outerHeight + this._getMeasurement( segmentName, outerSize ); + // got rowHeight or columnWidth, we can chill + if ( this[ segmentName ] ) { + return; + } + // fall back to item of first element + var firstItemSize = this.getFirstItemSize(); + this[ segmentName ] = firstItemSize && firstItemSize[ outerSize ] || + // or size of container + this.isotope.size[ 'inner' + size ]; + }; + + proto.getFirstItemSize = function() { + var firstItem = this.isotope.filteredItems[0]; + return firstItem && firstItem.element && getSize( firstItem.element ); + }; + + // ----- methods that should reference isotope ----- // + + proto.layout = function() { + this.isotope.layout.apply( this.isotope, arguments ); + }; + + proto.getSize = function() { + this.isotope.getSize(); + this.size = this.isotope.size; + }; + + // -------------------------- create -------------------------- // + + LayoutMode.modes = {}; + + LayoutMode.create = function( namespace, options ) { + + function Mode() { + LayoutMode.apply( this, arguments ); + } + + Mode.prototype = Object.create( proto ); + Mode.prototype.constructor = Mode; + + // default options + if ( options ) { + Mode.options = options; + } + + Mode.prototype.namespace = namespace; + // register in Isotope + LayoutMode.modes[ namespace ] = Mode; + + return Mode; + }; + + return LayoutMode; + +})); + +/*! + * Masonry v4.2.1 + * Cascading grid layout library + * https://masonry.desandro.com + * MIT License + * by David DeSandro + */ + +( function( window, factory ) { + // universal module definition + /* jshint strict: false */ /*globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'masonry-layout/masonry',[ + 'outlayer/outlayer', + 'get-size/get-size' + ], + factory ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory( + require('outlayer'), + require('get-size') + ); + } else { + // browser global + window.Masonry = factory( + window.Outlayer, + window.getSize + ); + } + +}( window, function factory( Outlayer, getSize ) { + + + +// -------------------------- masonryDefinition -------------------------- // + + // create an Outlayer layout class + var Masonry = Outlayer.create('masonry'); + // isFitWidth -> fitWidth + Masonry.compatOptions.fitWidth = 'isFitWidth'; + + var proto = Masonry.prototype; + + proto._resetLayout = function() { + this.getSize(); + this._getMeasurement( 'columnWidth', 'outerWidth' ); + this._getMeasurement( 'gutter', 'outerWidth' ); + this.measureColumns(); + + // reset column Y + this.colYs = []; + for ( var i=0; i < this.cols; i++ ) { + this.colYs.push( 0 ); + } + + this.maxY = 0; + this.horizontalColIndex = 0; + }; + + proto.measureColumns = function() { + this.getContainerWidth(); + // if columnWidth is 0, default to outerWidth of first item + if ( !this.columnWidth ) { + var firstItem = this.items[0]; + var firstItemElem = firstItem && firstItem.element; + // columnWidth fall back to item of first element + this.columnWidth = firstItemElem && getSize( firstItemElem ).outerWidth || + // if first elem has no width, default to size of container + this.containerWidth; + } + + var columnWidth = this.columnWidth += this.gutter; + + // calculate columns + var containerWidth = this.containerWidth + this.gutter; + var cols = containerWidth / columnWidth; + // fix rounding errors, typically with gutters + var excess = columnWidth - containerWidth % columnWidth; + // if overshoot is less than a pixel, round up, otherwise floor it + var mathMethod = excess && excess < 1 ? 'round' : 'floor'; + cols = Math[ mathMethod ]( cols ); + this.cols = Math.max( cols, 1 ); + }; + + proto.getContainerWidth = function() { + // container is parent if fit width + var isFitWidth = this._getOption('fitWidth'); + var container = isFitWidth ? this.element.parentNode : this.element; + // check that this.size and size are there + // IE8 triggers resize on body size change, so they might not be + var size = getSize( container ); + this.containerWidth = size && size.innerWidth; + }; + + proto._getItemLayoutPosition = function( item ) { + item.getSize(); + // how many columns does this brick span + var remainder = item.size.outerWidth % this.columnWidth; + var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil'; + // round if off by 1 pixel, otherwise use ceil + var colSpan = Math[ mathMethod ]( item.size.outerWidth / this.columnWidth ); + colSpan = Math.min( colSpan, this.cols ); + // use horizontal or top column position + var colPosMethod = this.options.horizontalOrder ? + '_getHorizontalColPosition' : '_getTopColPosition'; + var colPosition = this[ colPosMethod ]( colSpan, item ); + // position the brick + var position = { + x: this.columnWidth * colPosition.col, + y: colPosition.y + }; + // apply setHeight to necessary columns + var setHeight = colPosition.y + item.size.outerHeight; + var setMax = colSpan + colPosition.col; + for ( var i = colPosition.col; i < setMax; i++ ) { + this.colYs[i] = setHeight; + } + + return position; + }; + + proto._getTopColPosition = function( colSpan ) { + var colGroup = this._getTopColGroup( colSpan ); + // get the minimum Y value from the columns + var minimumY = Math.min.apply( Math, colGroup ); + + return { + col: colGroup.indexOf( minimumY ), + y: minimumY, + }; + }; + + /** + * @param {Number} colSpan - number of columns the element spans + * @returns {Array} colGroup + */ + proto._getTopColGroup = function( colSpan ) { + if ( colSpan < 2 ) { + // if brick spans only one column, use all the column Ys + return this.colYs; + } + + var colGroup = []; + // how many different places could this brick fit horizontally + var groupCount = this.cols + 1 - colSpan; + // for each group potential horizontal position + for ( var i = 0; i < groupCount; i++ ) { + colGroup[i] = this._getColGroupY( i, colSpan ); + } + return colGroup; + }; + + proto._getColGroupY = function( col, colSpan ) { + if ( colSpan < 2 ) { + return this.colYs[ col ]; + } + // make an array of colY values for that one group + var groupColYs = this.colYs.slice( col, col + colSpan ); + // and get the max value of the array + return Math.max.apply( Math, groupColYs ); + }; + + // get column position based on horizontal index. #873 + proto._getHorizontalColPosition = function( colSpan, item ) { + var col = this.horizontalColIndex % this.cols; + var isOver = colSpan > 1 && col + colSpan > this.cols; + // shift to next row if item can't fit on current row + col = isOver ? 0 : col; + // don't let zero-size items take up space + var hasSize = item.size.outerWidth && item.size.outerHeight; + this.horizontalColIndex = hasSize ? col + colSpan : this.horizontalColIndex; + + return { + col: col, + y: this._getColGroupY( col, colSpan ), + }; + }; + + proto._manageStamp = function( stamp ) { + var stampSize = getSize( stamp ); + var offset = this._getElementOffset( stamp ); + // get the columns that this stamp affects + var isOriginLeft = this._getOption('originLeft'); + var firstX = isOriginLeft ? offset.left : offset.right; + var lastX = firstX + stampSize.outerWidth; + var firstCol = Math.floor( firstX / this.columnWidth ); + firstCol = Math.max( 0, firstCol ); + var lastCol = Math.floor( lastX / this.columnWidth ); + // lastCol should not go over if multiple of columnWidth #425 + lastCol -= lastX % this.columnWidth ? 0 : 1; + lastCol = Math.min( this.cols - 1, lastCol ); + // set colYs to bottom of the stamp + + var isOriginTop = this._getOption('originTop'); + var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) + + stampSize.outerHeight; + for ( var i = firstCol; i <= lastCol; i++ ) { + this.colYs[i] = Math.max( stampMaxY, this.colYs[i] ); + } + }; + + proto._getContainerSize = function() { + this.maxY = Math.max.apply( Math, this.colYs ); + var size = { + height: this.maxY + }; + + if ( this._getOption('fitWidth') ) { + size.width = this._getContainerFitWidth(); + } + + return size; + }; + + proto._getContainerFitWidth = function() { + var unusedCols = 0; + // count unused columns + var i = this.cols; + while ( --i ) { + if ( this.colYs[i] !== 0 ) { + break; + } + unusedCols++; + } + // fit container to columns that have been used + return ( this.cols - unusedCols ) * this.columnWidth - this.gutter; + }; + + proto.needsResizeLayout = function() { + var previousWidth = this.containerWidth; + this.getContainerWidth(); + return previousWidth != this.containerWidth; + }; + + return Masonry; + +})); + +/*! + * Masonry layout mode + * sub-classes Masonry + * https://masonry.desandro.com + */ + +( function( window, factory ) { + // universal module definition + /* jshint strict: false */ /*globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'isotope-layout/js/layout-modes/masonry',[ + '../layout-mode', + 'masonry-layout/masonry' + ], + factory ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory( + require('../layout-mode'), + require('masonry-layout') + ); + } else { + // browser global + factory( + window.Isotope.LayoutMode, + window.Masonry + ); + } + +}( window, function factory( LayoutMode, Masonry ) { +'use strict'; + +// -------------------------- masonryDefinition -------------------------- // + + // create an Outlayer layout class + var MasonryMode = LayoutMode.create('masonry'); + + var proto = MasonryMode.prototype; + + var keepModeMethods = { + _getElementOffset: true, + layout: true, + _getMeasurement: true + }; + + // inherit Masonry prototype + for ( var method in Masonry.prototype ) { + // do not inherit mode methods + if ( !keepModeMethods[ method ] ) { + proto[ method ] = Masonry.prototype[ method ]; + } + } + + var measureColumns = proto.measureColumns; + proto.measureColumns = function() { + // set items, used if measuring first item + this.items = this.isotope.filteredItems; + measureColumns.call( this ); + }; + + // point to mode options for fitWidth + var _getOption = proto._getOption; + proto._getOption = function( option ) { + if ( option == 'fitWidth' ) { + return this.options.isFitWidth !== undefined ? + this.options.isFitWidth : this.options.fitWidth; + } + return _getOption.apply( this.isotope, arguments ); + }; + + return MasonryMode; + +})); + +/** + * fitRows layout mode + */ + +( function( window, factory ) { + // universal module definition + /* jshint strict: false */ /*globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'isotope-layout/js/layout-modes/fit-rows',[ + '../layout-mode' + ], + factory ); + } else if ( typeof exports == 'object' ) { + // CommonJS + module.exports = factory( + require('../layout-mode') + ); + } else { + // browser global + factory( + window.Isotope.LayoutMode + ); + } + +}( window, function factory( LayoutMode ) { +'use strict'; + +var FitRows = LayoutMode.create('fitRows'); + +var proto = FitRows.prototype; + +proto._resetLayout = function() { + this.x = 0; + this.y = 0; + this.maxY = 0; + this._getMeasurement( 'gutter', 'outerWidth' ); +}; + +proto._getItemLayoutPosition = function( item ) { + item.getSize(); + + var itemWidth = item.size.outerWidth + this.gutter; + // if this element cannot fit in the current row + var containerWidth = this.isotope.size.innerWidth + this.gutter; + if ( this.x !== 0 && itemWidth + this.x > containerWidth ) { + this.x = 0; + this.y = this.maxY; + } + + var position = { + x: this.x, + y: this.y + }; + + this.maxY = Math.max( this.maxY, this.y + item.size.outerHeight ); + this.x += itemWidth; + + return position; +}; + +proto._getContainerSize = function() { + return { height: this.maxY }; +}; + +return FitRows; + +})); + +/** + * vertical layout mode + */ + +( function( window, factory ) { + // universal module definition + /* jshint strict: false */ /*globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD + define( 'isotope-layout/js/layout-modes/vertical',[ + '../layout-mode' + ], + factory ); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory( + require('../layout-mode') + ); + } else { + // browser global + factory( + window.Isotope.LayoutMode + ); + } + +}( window, function factory( LayoutMode ) { +'use strict'; + +var Vertical = LayoutMode.create( 'vertical', { + horizontalAlignment: 0 +}); + +var proto = Vertical.prototype; + +proto._resetLayout = function() { + this.y = 0; +}; + +proto._getItemLayoutPosition = function( item ) { + item.getSize(); + var x = ( this.isotope.size.innerWidth - item.size.outerWidth ) * + this.options.horizontalAlignment; + var y = this.y; + this.y += item.size.outerHeight; + return { x: x, y: y }; +}; + +proto._getContainerSize = function() { + return { height: this.y }; +}; + +return Vertical; + +})); + +/*! + * Isotope v3.0.6 + * + * Licensed GPLv3 for open source use + * or Isotope Commercial License for commercial use + * + * https://isotope.metafizzy.co + * Copyright 2010-2018 Metafizzy + */ + +( function( window, factory ) { + // universal module definition + /* jshint strict: false */ /*globals define, module, require */ + if ( typeof define == 'function' && define.amd ) { + // AMD + define( [ + 'outlayer/outlayer', + 'get-size/get-size', + 'desandro-matches-selector/matches-selector', + 'fizzy-ui-utils/utils', + 'isotope-layout/js/item', + 'isotope-layout/js/layout-mode', + // include default layout modes + 'isotope-layout/js/layout-modes/masonry', + 'isotope-layout/js/layout-modes/fit-rows', + 'isotope-layout/js/layout-modes/vertical' + ], + function( Outlayer, getSize, matchesSelector, utils, Item, LayoutMode ) { + return factory( window, Outlayer, getSize, matchesSelector, utils, Item, LayoutMode ); + }); + } else if ( typeof module == 'object' && module.exports ) { + // CommonJS + module.exports = factory( + window, + require('outlayer'), + require('get-size'), + require('desandro-matches-selector'), + require('fizzy-ui-utils'), + require('isotope-layout/js/item'), + require('isotope-layout/js/layout-mode'), + // include default layout modes + require('isotope-layout/js/layout-modes/masonry'), + require('isotope-layout/js/layout-modes/fit-rows'), + require('isotope-layout/js/layout-modes/vertical') + ); + } else { + // browser global + window.Isotope = factory( + window, + window.Outlayer, + window.getSize, + window.matchesSelector, + window.fizzyUIUtils, + window.Isotope.Item, + window.Isotope.LayoutMode + ); + } + +}( window, function factory( window, Outlayer, getSize, matchesSelector, utils, + Item, LayoutMode ) { + + + +// -------------------------- vars -------------------------- // + +var jQuery = window.jQuery; + +// -------------------------- helpers -------------------------- // + +var trim = String.prototype.trim ? + function( str ) { + return str.trim(); + } : + function( str ) { + return str.replace( /^\s+|\s+$/g, '' ); + }; + +// -------------------------- isotopeDefinition -------------------------- // + + // create an Outlayer layout class + var Isotope = Outlayer.create( 'isotope', { + layoutMode: 'masonry', + isJQueryFiltering: true, + sortAscending: true + }); + + Isotope.Item = Item; + Isotope.LayoutMode = LayoutMode; + + var proto = Isotope.prototype; + + proto._create = function() { + this.itemGUID = 0; + // functions that sort items + this._sorters = {}; + this._getSorters(); + // call super + Outlayer.prototype._create.call( this ); + + // create layout modes + this.modes = {}; + // start filteredItems with all items + this.filteredItems = this.items; + // keep of track of sortBys + this.sortHistory = [ 'original-order' ]; + // create from registered layout modes + for ( var name in LayoutMode.modes ) { + this._initLayoutMode( name ); + } + }; + + proto.reloadItems = function() { + // reset item ID counter + this.itemGUID = 0; + // call super + Outlayer.prototype.reloadItems.call( this ); + }; + + proto._itemize = function() { + var items = Outlayer.prototype._itemize.apply( this, arguments ); + // assign ID for original-order + for ( var i=0; i < items.length; i++ ) { + var item = items[i]; + item.id = this.itemGUID++; + } + this._updateItemsSortData( items ); + return items; + }; + + + // -------------------------- layout -------------------------- // + + proto._initLayoutMode = function( name ) { + var Mode = LayoutMode.modes[ name ]; + // set mode options + // HACK extend initial options, back-fill in default options + var initialOpts = this.options[ name ] || {}; + this.options[ name ] = Mode.options ? + utils.extend( Mode.options, initialOpts ) : initialOpts; + // init layout mode instance + this.modes[ name ] = new Mode( this ); + }; + + + proto.layout = function() { + // if first time doing layout, do all magic + if ( !this._isLayoutInited && this._getOption('initLayout') ) { + this.arrange(); + return; + } + this._layout(); + }; + + // private method to be used in layout() & magic() + proto._layout = function() { + // don't animate first layout + var isInstant = this._getIsInstant(); + // layout flow + this._resetLayout(); + this._manageStamps(); + this.layoutItems( this.filteredItems, isInstant ); + + // flag for initalized + this._isLayoutInited = true; + }; + + // filter + sort + layout + proto.arrange = function( opts ) { + // set any options pass + this.option( opts ); + this._getIsInstant(); + // filter, sort, and layout + + // filter + var filtered = this._filter( this.items ); + this.filteredItems = filtered.matches; + + this._bindArrangeComplete(); + + if ( this._isInstant ) { + this._noTransition( this._hideReveal, [ filtered ] ); + } else { + this._hideReveal( filtered ); + } + + this._sort(); + this._layout(); + }; + // alias to _init for main plugin method + proto._init = proto.arrange; + + proto._hideReveal = function( filtered ) { + this.reveal( filtered.needReveal ); + this.hide( filtered.needHide ); + }; + + // HACK + // Don't animate/transition first layout + // Or don't animate/transition other layouts + proto._getIsInstant = function() { + var isLayoutInstant = this._getOption('layoutInstant'); + var isInstant = isLayoutInstant !== undefined ? isLayoutInstant : + !this._isLayoutInited; + this._isInstant = isInstant; + return isInstant; + }; + + // listen for layoutComplete, hideComplete and revealComplete + // to trigger arrangeComplete + proto._bindArrangeComplete = function() { + // listen for 3 events to trigger arrangeComplete + var isLayoutComplete, isHideComplete, isRevealComplete; + var _this = this; + function arrangeParallelCallback() { + if ( isLayoutComplete && isHideComplete && isRevealComplete ) { + _this.dispatchEvent( 'arrangeComplete', null, [ _this.filteredItems ] ); + } + } + this.once( 'layoutComplete', function() { + isLayoutComplete = true; + arrangeParallelCallback(); + }); + this.once( 'hideComplete', function() { + isHideComplete = true; + arrangeParallelCallback(); + }); + this.once( 'revealComplete', function() { + isRevealComplete = true; + arrangeParallelCallback(); + }); + }; + + // -------------------------- filter -------------------------- // + + proto._filter = function( items ) { + var filter = this.options.filter; + filter = filter || '*'; + var matches = []; + var hiddenMatched = []; + var visibleUnmatched = []; + + var test = this._getFilterTest( filter ); + + // test each item + for ( var i=0; i < items.length; i++ ) { + var item = items[i]; + if ( item.isIgnored ) { + continue; + } + // add item to either matched or unmatched group + var isMatched = test( item ); + // item.isFilterMatched = isMatched; + // add to matches if its a match + if ( isMatched ) { + matches.push( item ); + } + // add to additional group if item needs to be hidden or revealed + if ( isMatched && item.isHidden ) { + hiddenMatched.push( item ); + } else if ( !isMatched && !item.isHidden ) { + visibleUnmatched.push( item ); + } + } + + // return collections of items to be manipulated + return { + matches: matches, + needReveal: hiddenMatched, + needHide: visibleUnmatched + }; + }; + + // get a jQuery, function, or a matchesSelector test given the filter + proto._getFilterTest = function( filter ) { + if ( jQuery && this.options.isJQueryFiltering ) { + // use jQuery + return function( item ) { + return jQuery( item.element ).is( filter ); + }; + } + if ( typeof filter == 'function' ) { + // use filter as function + return function( item ) { + return filter( item.element ); + }; + } + // default, use filter as selector string + return function( item ) { + return matchesSelector( item.element, filter ); + }; + }; + + // -------------------------- sorting -------------------------- // + + /** + * @params {Array} elems + * @public + */ + proto.updateSortData = function( elems ) { + // get items + var items; + if ( elems ) { + elems = utils.makeArray( elems ); + items = this.getItems( elems ); + } else { + // update all items if no elems provided + items = this.items; + } + + this._getSorters(); + this._updateItemsSortData( items ); + }; + + proto._getSorters = function() { + var getSortData = this.options.getSortData; + for ( var key in getSortData ) { + var sorter = getSortData[ key ]; + this._sorters[ key ] = mungeSorter( sorter ); + } + }; + + /** + * @params {Array} items - of Isotope.Items + * @private + */ + proto._updateItemsSortData = function( items ) { + // do not update if no items + var len = items && items.length; + + for ( var i=0; len && i < len; i++ ) { + var item = items[i]; + item.updateSortData(); + } + }; + + // ----- munge sorter ----- // + + // encapsulate this, as we just need mungeSorter + // other functions in here are just for munging + var mungeSorter = ( function() { + // add a magic layer to sorters for convienent shorthands + // `.foo-bar` will use the text of .foo-bar querySelector + // `[foo-bar]` will use attribute + // you can also add parser + // `.foo-bar parseInt` will parse that as a number + function mungeSorter( sorter ) { + // if not a string, return function or whatever it is + if ( typeof sorter != 'string' ) { + return sorter; + } + // parse the sorter string + var args = trim( sorter ).split(' '); + var query = args[0]; + // check if query looks like [an-attribute] + var attrMatch = query.match( /^\[(.+)\]$/ ); + var attr = attrMatch && attrMatch[1]; + var getValue = getValueGetter( attr, query ); + // use second argument as a parser + var parser = Isotope.sortDataParsers[ args[1] ]; + // parse the value, if there was a parser + sorter = parser ? function( elem ) { + return elem && parser( getValue( elem ) ); + } : + // otherwise just return value + function( elem ) { + return elem && getValue( elem ); + }; + + return sorter; + } + + // get an attribute getter, or get text of the querySelector + function getValueGetter( attr, query ) { + // if query looks like [foo-bar], get attribute + if ( attr ) { + return function getAttribute( elem ) { + return elem.getAttribute( attr ); + }; + } + + // otherwise, assume its a querySelector, and get its text + return function getChildText( elem ) { + var child = elem.querySelector( query ); + return child && child.textContent; + }; + } + + return mungeSorter; + })(); + + // parsers used in getSortData shortcut strings + Isotope.sortDataParsers = { + 'parseInt': function( val ) { + return parseInt( val, 10 ); + }, + 'parseFloat': function( val ) { + return parseFloat( val ); + } + }; + + // ----- sort method ----- // + + // sort filteredItem order + proto._sort = function() { + if ( !this.options.sortBy ) { + return; + } + // keep track of sortBy History + var sortBys = utils.makeArray( this.options.sortBy ); + if ( !this._getIsSameSortBy( sortBys ) ) { + // concat all sortBy and sortHistory, add to front, oldest goes in last + this.sortHistory = sortBys.concat( this.sortHistory ); + } + // sort magic + var itemSorter = getItemSorter( this.sortHistory, this.options.sortAscending ); + this.filteredItems.sort( itemSorter ); + }; + + // check if sortBys is same as start of sortHistory + proto._getIsSameSortBy = function( sortBys ) { + for ( var i=0; i < sortBys.length; i++ ) { + if ( sortBys[i] != this.sortHistory[i] ) { + return false; + } + } + return true; + }; + + // returns a function used for sorting + function getItemSorter( sortBys, sortAsc ) { + return function sorter( itemA, itemB ) { + // cycle through all sortKeys + for ( var i = 0; i < sortBys.length; i++ ) { + var sortBy = sortBys[i]; + var a = itemA.sortData[ sortBy ]; + var b = itemB.sortData[ sortBy ]; + if ( a > b || a < b ) { + // if sortAsc is an object, use the value given the sortBy key + var isAscending = sortAsc[ sortBy ] !== undefined ? sortAsc[ sortBy ] : sortAsc; + var direction = isAscending ? 1 : -1; + return ( a > b ? 1 : -1 ) * direction; + } + } + return 0; + }; + } + + // -------------------------- methods -------------------------- // + + // get layout mode + proto._mode = function() { + var layoutMode = this.options.layoutMode; + var mode = this.modes[ layoutMode ]; + if ( !mode ) { + // TODO console.error + throw new Error( 'No layout mode: ' + layoutMode ); + } + // HACK sync mode's options + // any options set after init for layout mode need to be synced + mode.options = this.options[ layoutMode ]; + return mode; + }; + + proto._resetLayout = function() { + // trigger original reset layout + Outlayer.prototype._resetLayout.call( this ); + this._mode()._resetLayout(); + }; + + proto._getItemLayoutPosition = function( item ) { + return this._mode()._getItemLayoutPosition( item ); + }; + + proto._manageStamp = function( stamp ) { + this._mode()._manageStamp( stamp ); + }; + + proto._getContainerSize = function() { + return this._mode()._getContainerSize(); + }; + + proto.needsResizeLayout = function() { + return this._mode().needsResizeLayout(); + }; + + // -------------------------- adding & removing -------------------------- // + + // HEADS UP overwrites default Outlayer appended + proto.appended = function( elems ) { + var items = this.addItems( elems ); + if ( !items.length ) { + return; + } + // filter, layout, reveal new items + var filteredItems = this._filterRevealAdded( items ); + // add to filteredItems + this.filteredItems = this.filteredItems.concat( filteredItems ); + }; + + // HEADS UP overwrites default Outlayer prepended + proto.prepended = function( elems ) { + var items = this._itemize( elems ); + if ( !items.length ) { + return; + } + // start new layout + this._resetLayout(); + this._manageStamps(); + // filter, layout, reveal new items + var filteredItems = this._filterRevealAdded( items ); + // layout previous items + this.layoutItems( this.filteredItems ); + // add to items and filteredItems + this.filteredItems = filteredItems.concat( this.filteredItems ); + this.items = items.concat( this.items ); + }; + + proto._filterRevealAdded = function( items ) { + var filtered = this._filter( items ); + this.hide( filtered.needHide ); + // reveal all new items + this.reveal( filtered.matches ); + // layout new items, no transition + this.layoutItems( filtered.matches, true ); + return filtered.matches; + }; + + /** + * Filter, sort, and layout newly-appended item elements + * @param {Array or NodeList or Element} elems + */ + proto.insert = function( elems ) { + var items = this.addItems( elems ); + if ( !items.length ) { + return; + } + // append item elements + var i, item; + var len = items.length; + for ( i=0; i < len; i++ ) { + item = items[i]; + this.element.appendChild( item.element ); + } + // filter new stuff + var filteredInsertItems = this._filter( items ).matches; + // set flag + for ( i=0; i < len; i++ ) { + items[i].isLayoutInstant = true; + } + this.arrange(); + // reset flag + for ( i=0; i < len; i++ ) { + delete items[i].isLayoutInstant; + } + this.reveal( filteredInsertItems ); + }; + + var _remove = proto.remove; + proto.remove = function( elems ) { + elems = utils.makeArray( elems ); + var removeItems = this.getItems( elems ); + // do regular thing + _remove.call( this, elems ); + // bail if no items to remove + var len = removeItems && removeItems.length; + // remove elems from filteredItems + for ( var i=0; len && i < len; i++ ) { + var item = removeItems[i]; + // remove item from collection + utils.removeFrom( this.filteredItems, item ); + } + }; + + proto.shuffle = function() { + // update random sortData + for ( var i=0; i < this.items.length; i++ ) { + var item = this.items[i]; + item.sortData.random = Math.random(); + } + this.options.sortBy = 'random'; + this._sort(); + this._layout(); + }; + + /** + * trigger fn without transition + * kind of hacky to have this in the first place + * @param {Function} fn + * @param {Array} args + * @returns ret + * @private + */ + proto._noTransition = function( fn, args ) { + // save transitionDuration before disabling + var transitionDuration = this.options.transitionDuration; + // disable transition + this.options.transitionDuration = 0; + // do it + var returnValue = fn.apply( this, args ); + // re-enable transition for reveal + this.options.transitionDuration = transitionDuration; + return returnValue; + }; + + // ----- helper methods ----- // + + /** + * getter method for getting filtered item elements + * @returns {Array} elems - collection of item elements + */ + proto.getFilteredItemElements = function() { + return this.filteredItems.map( function( item ) { + return item.element; + }); + }; + + // ----- ----- // + + return Isotope; + +})); + |