Team:TJUSLS China/isotope-layout/isotopepkgdjs
( 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 v1.0.3 * 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;
}
var i = 0;
var listener = listeners[i];
args = args || [];
// once stuff
var onceListeners = this._onceEvents && this._onceEvents[ eventName ];
while ( listener ) {
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 );
// get next listener
i += isOnce ? 0 : 1;
listener = listeners[i];
}
return this;
};
return EvEmitter;
}));
/*!
* getSize v2.0.2 * measure size of elements * MIT license */
/*jshint browser: true, strict: true, undef: true, unused: true */ /*global define: false, module: false, console: false */
( function( window, factory ) {
'use strict';
if ( typeof define == 'function' && define.amd ) {
// AMD
define( 'get-size/get-size',[],function() {
return 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 http://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 -------------------------- //
/**
* WebKit measures the outer-width on style.width on border-box elems
* IE & 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 );
getSize.isBoxSizeOuter = isBoxSizeOuter = getStyleSize( style.width ) == 200; 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 v2.0.5 * 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 ----- //
// turn element or nodeList into an array utils.makeArray = function( obj ) {
var ary = [];
if ( Array.isArray( obj ) ) {
// use object if already an array
ary = obj;
} else if ( obj && typeof obj == 'object' &&
typeof obj.length == 'number' ) {
// convert nodeList to array
for ( var i=0; i < obj.length; i++ ) {
ary.push( obj[i] );
}
} else {
// array of single index
ary.push( obj );
}
return ary;
};
// ----- 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 ) {
// original method var method = _class.prototype[ methodName ]; var timeoutName = methodName + 'Timeout';
_class.prototype[ methodName ] = function() {
var timeout = this[ timeoutName ];
if ( timeout ) {
clearTimeout( timeout );
}
var args = arguments;
var _this = this;
this[ timeoutName ] = setTimeout( function() {
method.apply( _this, args );
delete _this[ timeoutName ];
}, threshold || 100 );
};
};
// ----- 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' ];
// convert percent to pixels
var layoutSize = this.layout.size;
var x = xValue.indexOf('%') != -1 ?
( parseFloat( xValue ) / 100 ) * layoutSize.width : parseInt( xValue, 10 );
var y = yValue.indexOf('%') != -1 ?
( parseFloat( yValue ) / 100 ) * layoutSize.height : parseInt( yValue, 10 );
// 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 compareX = parseInt( x, 10 ); var compareY = parseInt( y, 10 ); var didNotMove = compareX === this.position.x && compareY === 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 = parseInt( x, 10 ); this.position.y = parseInt( y, 10 );
};
// ----- 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 v2.1.0 * 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/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/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 v4.2.0 * Cascading grid layout library * http://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/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 * http://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/js/layout-modes/masonry',[
'../layout-mode',
'masonry/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/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/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 v3.0.4 * * Licensed GPLv3 for open source use * or Isotope Commercial License for commercial use * * http://isotope.metafizzy.co * Copyright 2017 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/js/item',
'isotope/js/layout-mode',
// include default layout modes
'isotope/js/layout-modes/masonry',
'isotope/js/layout-modes/fit-rows',
'isotope/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/js/item'),
require('isotope/js/layout-mode'),
// include default layout modes
require('isotope/js/layout-modes/masonry'),
require('isotope/js/layout-modes/fit-rows'),
require('isotope/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;
}));