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( function( window ) {
// -------------------------- utils -------------------------- //
var slice = Array.prototype.slice;
function noop() {}
// -------------------------- definition -------------------------- //
function defineBridget( $ ) {
// bail if no jQuery
if ( !$ ) {
return;
}
function addOptionMethod( PluginClass ) {
// don't overwrite original option method
if ( PluginClass.prototype.option ) {
return;
}
// option setter
PluginClass.prototype.option = function( opts ) {
// bail out if not an object
if ( !$.isPlainObject( opts ) ){
return;
}
this.options = $.extend( true, this.options, opts );
};
}
var logError = typeof console === 'undefined' ? noop :
function( message ) {
console.error( message );
};
function bridge( namespace, PluginClass ) {
// add to jQuery fn namespace
$.fn[ namespace ] = function( options ) {
if ( typeof options === 'string' ) {
// call plugin method when first argument is a string
// get arguments for method
var args = slice.call( arguments, 1 );
for ( var i=0, len = this.length; i < len; i++ ) {
var elem = this[i];
var instance = $.data( elem, namespace );
if ( !instance ) {
logError( "cannot call methods on " + namespace + " prior to initialization; " +
"attempted to call '" + options + "'" );
continue;
}
if ( !$.isFunction( instance[options] ) || options.charAt(0) === '_' ) {
logError( "no such method '" + options + "' for " + namespace + " instance" );
continue;
}
// trigger method with arguments
var returnValue = instance[ options ].apply( instance, args );
// break look and return first value if provided
if ( returnValue !== undefined ) {
return returnValue;
}
}
// return this if no return value
return this;
} else {
return this.each( function() {
var instance = $.data( this, namespace );
if ( instance ) {
// apply options & init
instance.option( options );
instance._init();
} else {
// initialize new instance
instance = new PluginClass( this, options );
$.data( this, namespace, instance );
}
});
}
};
}
$.bridget = function( namespace, PluginClass ) {
addOptionMethod( PluginClass );
bridge( namespace, PluginClass );
};
return $.bridget;
}
// transport
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'jquery-bridget/jquery.bridget',[ 'jquery' ], defineBridget );
} else {
// get jquery from browser global
defineBridget( window.jQuery );
}
})( window );
( function( window ) {
var docElem = document.documentElement;
var bind = function() {};
function getIEEvent( obj ) {
var event = window.event;
// add event.target
event.target = event.target || event.srcElement || obj;
return event;
}
if ( docElem.addEventListener ) {
bind = function( obj, type, fn ) {
obj.addEventListener( type, fn, false );
};
} else if ( docElem.attachEvent ) {
bind = function( obj, type, fn ) {
obj[ type + fn ] = fn.handleEvent ?
function() {
var event = getIEEvent( obj );
fn.handleEvent.call( fn, event );
} :
function() {
var event = getIEEvent( obj );
fn.call( obj, event );
};
obj.attachEvent( "on" + type, obj[ type + fn ] );
};
}
var unbind = function() {};
if ( docElem.removeEventListener ) {
unbind = function( obj, type, fn ) {
obj.removeEventListener( type, fn, false );
};
} else if ( docElem.detachEvent ) {
unbind = function( obj, type, fn ) {
obj.detachEvent( "on" + type, obj[ type + fn ] );
try {
delete obj[ type + fn ];
} catch ( err ) {
// can't delete window object properties
obj[ type + fn ] = undefined;
}
};
}
var eventie = {
bind: bind,
unbind: unbind
};
// ----- module definition ----- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'eventie/eventie',eventie );
} else if ( typeof exports === 'object' ) {
// CommonJS
module.exports = eventie;
} else {
// browser global
window.eventie = eventie;
}
})( this );
( function( window ) {
var document = window.document;
// collection of functions to be triggered on ready
var queue = [];
function docReady( fn ) {
// throw out non-functions
if ( typeof fn !== 'function' ) {
return;
}
if ( docReady.isReady ) {
// ready now, hit it
fn();
} else {
// queue function when ready
queue.push( fn );
}
}
docReady.isReady = false;
// triggered on various doc ready events
function init( event ) {
// bail if IE8 document is not ready just yet
var isIE8NotReady = event.type === 'readystatechange' && document.readyState !== 'complete';
if ( docReady.isReady || isIE8NotReady ) {
return;
}
docReady.isReady = true;
// process queue
for ( var i=0, len = queue.length; i < len; i++ ) {
var fn = queue[i];
fn();
}
}
function defineDocReady( eventie ) {
eventie.bind( document, 'DOMContentLoaded', init );
eventie.bind( document, 'readystatechange', init );
eventie.bind( window, 'load', init );
return docReady;
}
// transport
if ( typeof define === 'function' && define.amd ) {
// AMD
// if RequireJS, then doc is already ready
docReady.isReady = typeof requirejs === 'function';
define( 'doc-ready/doc-ready',[ 'eventie/eventie' ], defineDocReady );
} else {
// browser global
window.docReady = defineDocReady( window.eventie );
}
})( this );
/*!
* EventEmitter v4.2.7 - git.io/ee
* Oliver Caldwell
* MIT license
* @preserve
*/
(function () {
function EventEmitter() {}
// Shortcuts to improve speed and size
var proto = EventEmitter.prototype;
var exports = this;
var originalGlobalValue = exports.EventEmitter;
function indexOfListener(listeners, listener) {
var i = listeners.length;
while (i--) {
if (listeners[i].listener === listener) {
return i;
}
}
return -1;
}
function alias(name) {
return function aliasClosure() {
return this[name].apply(this, arguments);
};
}
proto.getListeners = function getListeners(evt) {
var events = this._getEvents();
var response;
var key;
// Return a concatenated array of all matching events if
// the selector is a regular expression.
if (evt instanceof RegExp) {
response = {};
for (key in events) {
if (events.hasOwnProperty(key) && evt.test(key)) {
response[key] = events[key];
}
}
}
else {
response = events[evt] || (events[evt] = []);
}
return response;
};
proto.flattenListeners = function flattenListeners(listeners) {
var flatListeners = [];
var i;
for (i = 0; i < listeners.length; i += 1) {
flatListeners.push(listeners[i].listener);
}
return flatListeners;
};
proto.getListenersAsObject = function getListenersAsObject(evt) {
var listeners = this.getListeners(evt);
var response;
if (listeners instanceof Array) {
response = {};
response[evt] = listeners;
}
return response || listeners;
};
proto.addListener = function addListener(evt, listener) {
var listeners = this.getListenersAsObject(evt);
var listenerIsWrapped = typeof listener === 'object';
var key;
for (key in listeners) {
if (listeners.hasOwnProperty(key) && indexOfListener(listeners[key], listener) === -1) {
listeners[key].push(listenerIsWrapped ? listener : {
listener: listener,
once: false
});
}
}
return this;
};
/**
* Alias of addListener
*/
proto.on = alias('addListener');
proto.addOnceListener = function addOnceListener(evt, listener) {
return this.addListener(evt, {
listener: listener,
once: true
});
};
/**
* Alias of addOnceListener.
*/
proto.once = alias('addOnceListener');
proto.defineEvent = function defineEvent(evt) {
this.getListeners(evt);
return this;
};
proto.defineEvents = function defineEvents(evts) {
for (var i = 0; i < evts.length; i += 1) {
this.defineEvent(evts[i]);
}
return this;
};
proto.removeListener = function removeListener(evt, listener) {
var listeners = this.getListenersAsObject(evt);
var index;
var key;
for (key in listeners) {
if (listeners.hasOwnProperty(key)) {
index = indexOfListener(listeners[key], listener);
if (index !== -1) {
listeners[key].splice(index, 1);
}
}
}
return this;
};
/**
* Alias of removeListener
*/
proto.off = alias('removeListener');
proto.addListeners = function addListeners(evt, listeners) {
// Pass through to manipulateListeners
return this.manipulateListeners(false, evt, listeners);
};
proto.removeListeners = function removeListeners(evt, listeners) {
// Pass through to manipulateListeners
return this.manipulateListeners(true, evt, listeners);
};
proto.manipulateListeners = function manipulateListeners(remove, evt, listeners) {
var i;
var value;
var single = remove ? this.removeListener : this.addListener;
var multiple = remove ? this.removeListeners : this.addListeners;
// If evt is an object then pass each of it's properties to this method
if (typeof evt === 'object' && !(evt instanceof RegExp)) {
for (i in evt) {
if (evt.hasOwnProperty(i) && (value = evt[i])) {
// Pass the single listener straight through to the singular method
if (typeof value === 'function') {
single.call(this, i, value);
}
else {
// Otherwise pass back to the multiple function
multiple.call(this, i, value);
}
}
}
}
else {
// So evt must be a string
// And listeners must be an array of listeners
// Loop over it and pass each one to the multiple method
i = listeners.length;
while (i--) {
single.call(this, evt, listeners[i]);
}
}
return this;
};
proto.removeEvent = function removeEvent(evt) {
var type = typeof evt;
var events = this._getEvents();
var key;
// Remove different things depending on the state of evt
if (type === 'string') {
// Remove all listeners for the specified event
delete events[evt];
}
else if (evt instanceof RegExp) {
// Remove all events matching the regex.
for (key in events) {
if (events.hasOwnProperty(key) && evt.test(key)) {
delete events[key];
}
}
}
else {
// Remove all listeners in all events
delete this._events;
}
return this;
};
proto.removeAllListeners = alias('removeEvent');
proto.emitEvent = function emitEvent(evt, args) {
var listeners = this.getListenersAsObject(evt);
var listener;
var i;
var key;
var response;
for (key in listeners) {
if (listeners.hasOwnProperty(key)) {
i = listeners[key].length;
while (i--) {
// If the listener returns true then it shall be removed from the event
// The function is executed either with a basic call or an apply if there is an args array
listener = listeners[key][i];
if (listener.once === true) {
this.removeListener(evt, listener.listener);
}
response = listener.listener.apply(this, args || []);
if (response === this._getOnceReturnValue()) {
this.removeListener(evt, listener.listener);
}
}
}
}
return this;
};
/**
* Alias of emitEvent
*/
proto.trigger = alias('emitEvent');
proto.emit = function emit(evt) {
var args = Array.prototype.slice.call(arguments, 1);
return this.emitEvent(evt, args);
};
proto.setOnceReturnValue = function setOnceReturnValue(value) {
this._onceReturnValue = value;
return this;
};
proto._getOnceReturnValue = function _getOnceReturnValue() {
if (this.hasOwnProperty('_onceReturnValue')) {
return this._onceReturnValue;
}
else {
return true;
}
};
proto._getEvents = function _getEvents() {
return this._events || (this._events = {});
};
EventEmitter.noConflict = function noConflict() {
exports.EventEmitter = originalGlobalValue;
return EventEmitter;
};
// Expose the class either via AMD, CommonJS or the global object
if (typeof define === 'function' && define.amd) {
define('eventEmitter/EventEmitter',[],function () {
return EventEmitter;
});
}
else if (typeof module === 'object' && module.exports){
module.exports = EventEmitter;
}
else {
this.EventEmitter = EventEmitter;
}
}.call(this));
( function( window ) {
var prefixes = 'Webkit Moz ms Ms O'.split(' ');
var docElemStyle = document.documentElement.style;
function getStyleProperty( propName ) {
if ( !propName ) {
return;
}
// test standard property first
if ( typeof docElemStyle[ propName ] === 'string' ) {
return propName;
}
// capitalize
propName = propName.charAt(0).toUpperCase() + propName.slice(1);
// test vendor specific properties
var prefixed;
for ( var i=0, len = prefixes.length; i < len; i++ ) {
prefixed = prefixes[i] + propName;
if ( typeof docElemStyle[ prefixed ] === 'string' ) {
return prefixed;
}
}
}
// transport
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'get-style-property/get-style-property',[],function() {
return getStyleProperty;
});
} else if ( typeof exports === 'object' ) {
// CommonJS for Component
module.exports = getStyleProperty;
} else {
// browser global
window.getStyleProperty = getStyleProperty;
}
})( window );
( function( window, undefined ) {
// -------------------------- helpers -------------------------- //
var getComputedStyle = window.getComputedStyle;
var getStyle = getComputedStyle ?
function( elem ) {
return getComputedStyle( elem, null );
} :
function( elem ) {
return elem.currentStyle;
};
// 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;
}
// -------------------------- measurements -------------------------- //
var measurements = [
'paddingLeft',
'paddingRight',
'paddingTop',
'paddingBottom',
'marginLeft',
'marginRight',
'marginTop',
'marginBottom',
'borderLeftWidth',
'borderRightWidth',
'borderTopWidth',
'borderBottomWidth'
];
function getZeroSize() {
var size = {
width: 0,
height: 0,
innerWidth: 0,
innerHeight: 0,
outerWidth: 0,
outerHeight: 0
};
for ( var i=0, len = measurements.length; i < len; i++ ) {
var measurement = measurements[i];
size[ measurement ] = 0;
}
return size;
}
function defineGetSize( getStyleProperty ) {
// -------------------------- box sizing -------------------------- //
var boxSizingProp = getStyleProperty('boxSizing');
var isBoxSizeOuter;
/**
* WebKit measures the outer-width on style.width on border-box elems
* IE & Firefox measures the inner-width
*/
( function() {
if ( !boxSizingProp ) {
return;
}
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[ boxSizingProp ] = 'border-box';
var body = document.body || document.documentElement;
body.appendChild( div );
var style = getStyle( div );
isBoxSizeOuter = getStyleSize( style.width ) === 200;
body.removeChild( div );
})();
// -------------------------- getSize -------------------------- //
function getSize( elem ) {
// 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 = !!( boxSizingProp &&
style[ boxSizingProp ] && style[ boxSizingProp ] === 'border-box' );
// get all measurements
for ( var i=0, len = measurements.length; i < len; i++ ) {
var measurement = measurements[i];
var value = style[ measurement ];
value = mungeNonPixel( elem, value );
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;
}
// IE8 returns percent values, not pixels
// taken from jQuery's curCSS
function mungeNonPixel( elem, value ) {
// IE8 and has percent value
if ( getComputedStyle || value.indexOf('%') === -1 ) {
return value;
}
var style = elem.style;
// Remember the original values
var left = style.left;
var rs = elem.runtimeStyle;
var rsLeft = rs && rs.left;
// Put in the new values to get a computed value out
if ( rsLeft ) {
rs.left = elem.currentStyle.left;
}
style.left = value;
value = style.pixelLeft;
// Revert the changed values
style.left = left;
if ( rsLeft ) {
rs.left = rsLeft;
}
return value;
}
return getSize;
}
// transport
if ( typeof define === 'function' && define.amd ) {
// AMD for RequireJS
define( 'get-size/get-size',[ 'get-style-property/get-style-property' ], defineGetSize );
} else if ( typeof exports === 'object' ) {
// CommonJS for Component
module.exports = defineGetSize( require('get-style-property') );
} else {
// browser global
window.getSize = defineGetSize( window.getStyleProperty );
}
})( window );
/**
* matchesSelector helper v1.0.1
*
* @name matchesSelector
* @param {Element} elem
* @param {String} selector
*/
/*jshint browser: true, strict: true, undef: true, unused: true */
/*global define: false */
( function( global, ElemProto ) {
var matchesMethod = ( function() {
// check un-prefixed
if ( ElemProto.matchesSelector ) {
return 'matchesSelector';
}
// check vendor prefixes
var prefixes = [ 'webkit', 'moz', 'ms', 'o' ];
for ( var i=0, len = prefixes.length; i < len; i++ ) {
var prefix = prefixes[i];
var method = prefix + 'MatchesSelector';
if ( ElemProto[ method ] ) {
return method;
}
}
})();
// ----- match ----- //
function match( elem, selector ) {
return elem[ matchesMethod ]( selector );
}
// ----- appendToFragment ----- //
function checkParent( elem ) {
// not needed if already has parent
if ( elem.parentNode ) {
return;
}
var fragment = document.createDocumentFragment();
fragment.appendChild( elem );
}
// ----- query ----- //
// fall back to using QSA
// thx @jonathantneal https://gist.github.com/3062955
function query( elem, selector ) {
// append to fragment if no parent
checkParent( elem );
// match elem with all selected elems of parent
var elems = elem.parentNode.querySelectorAll( selector );
for ( var i=0, len = elems.length; i < len; i++ ) {
// return true if match
if ( elems[i] === elem ) {
return true;
}
}
// otherwise return false
return false;
}
// ----- matchChild ----- //
function matchChild( elem, selector ) {
checkParent( elem );
return match( elem, selector );
}
// ----- matchesSelector ----- //
var matchesSelector;
if ( matchesMethod ) {
// IE9 supports matchesSelector, but doesn't work on orphaned elems
// check for that
var div = document.createElement('div');
var supportsOrphans = match( div, 'div' );
matchesSelector = supportsOrphans ? match : matchChild;
} else {
matchesSelector = query;
}
// transport
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'matches-selector/matches-selector',[],function() {
return matchesSelector;
});
} else {
// browser global
window.matchesSelector = matchesSelector;
}
})( this, Element.prototype );
/**
* Outlayer Item
*/
( function( window ) {
// ----- get style ----- //
var getComputedStyle = window.getComputedStyle;
var getStyle = getComputedStyle ?
function( elem ) {
return getComputedStyle( elem, null );
} :
function( elem ) {
return elem.currentStyle;
};
// extend objects
function extend( a, b ) {
for ( var prop in b ) {
a[ prop ] = b[ prop ];
}
return a;
}
function isEmptyObj( obj ) {
for ( var prop in obj ) {
return false;
}
prop = null;
return true;
}
// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
function toDash( str ) {
return str.replace( /([A-Z])/g, function( $1 ){
return '-' + $1.toLowerCase();
});
}
// -------------------------- Outlayer definition -------------------------- //
function outlayerItemDefinition( EventEmitter, getSize, getStyleProperty ) {
// -------------------------- CSS3 support -------------------------- //
var transitionProperty = getStyleProperty('transition');
var transformProperty = getStyleProperty('transform');
var supportsCSS3 = transitionProperty && transformProperty;
var is3d = !!getStyleProperty('perspective');
var transitionEndEvent = {
WebkitTransition: 'webkitTransitionEnd',
MozTransition: 'transitionend',
OTransition: 'otransitionend',
transition: 'transitionend'
}[ transitionProperty ];
// properties that could have vendor prefix
var prefixableProperties = [
'transform',
'transition',
'transitionDuration',
'transitionProperty'
];
// cache all vendor properties
var vendorProperties = ( function() {
var cache = {};
for ( var i=0, len = prefixableProperties.length; i < len; i++ ) {
var prop = prefixableProperties[i];
var supportedProp = getStyleProperty( prop );
if ( supportedProp && supportedProp !== prop ) {
cache[ prop ] = supportedProp;
}
}
return cache;
})();
// -------------------------- 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 EventEmitter
extend( Item.prototype, EventEmitter.prototype );
Item.prototype._create = function() {
// transition objects
this._transn = {
ingProperties: {},
clean: {},
onEnd: {}
};
this.css({
position: 'absolute'
});
};
// trigger specified handler for event type
Item.prototype.handleEvent = function( event ) {
var method = 'on' + event.type;
if ( this[ method ] ) {
this[ method ]( event );
}
};
Item.prototype.getSize = function() {
this.size = getSize( this.element );
};
/**
* apply CSS styles to element
* @param {Object} style
*/
Item.prototype.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
Item.prototype.getPosition = function() {
var style = getStyle( this.element );
var layoutOptions = this.layout.options;
var isOriginLeft = layoutOptions.isOriginLeft;
var isOriginTop = layoutOptions.isOriginTop;
var x = parseInt( style[ isOriginLeft ? 'left' : 'right' ], 10 );
var y = parseInt( style[ isOriginTop ? 'top' : 'bottom' ], 10 );
// clean up 'auto' or other non-integer values
x = isNaN( x ) ? 0 : x;
y = isNaN( y ) ? 0 : y;
// remove padding from measurement
var layoutSize = this.layout.size;
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
Item.prototype.layoutPosition = function() {
var layoutSize = this.layout.size;
var layoutOptions = this.layout.options;
var style = {};
if ( layoutOptions.isOriginLeft ) {
style.left = ( this.position.x + layoutSize.paddingLeft ) + 'px';
// reset other property
style.right = '';
} else {
style.right = ( this.position.x + layoutSize.paddingRight ) + 'px';
style.left = '';
}
if ( layoutOptions.isOriginTop ) {
style.top = ( this.position.y + layoutSize.paddingTop ) + 'px';
style.bottom = '';
} else {
style.bottom = ( this.position.y + layoutSize.paddingBottom ) + 'px';
style.top = '';
}
this.css( style );
this.emitEvent( 'layout', [ this ] );
};
// transform translate function
var translate = is3d ?
function( x, y ) {
return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
} :
function( x, y ) {
return 'translate(' + x + 'px, ' + y + 'px)';
};
Item.prototype._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 = {};
// flip cooridinates if origin on right or bottom
var layoutOptions = this.layout.options;
transX = layoutOptions.isOriginLeft ? transX : -transX;
transY = layoutOptions.isOriginTop ? transY : -transY;
transitionStyle.transform = translate( transX, transY );
this.transition({
to: transitionStyle,
onTransitionEnd: {
transform: this.layoutPosition
},
isCleaning: true
});
};
// non transition + transform support
Item.prototype.goTo = function( x, y ) {
this.setPosition( x, y );
this.layoutPosition();
};
// use transition and transforms if supported
Item.prototype.moveTo = supportsCSS3 ?
Item.prototype._transitionTo : Item.prototype.goTo;
Item.prototype.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
Item.prototype._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
*/
Item.prototype._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;
};
var itemTransitionProperties = transformProperty && ( toDash( transformProperty ) +
',opacity' );
Item.prototype.enableTransition = function(/* style */) {
// only enable if not already transitioning
// bug in IE10 were re-setting transition style will prevent
// transitionend event from triggering
if ( this.isTransitioning ) {
return;
}
// make transition: foo, bar, baz from style object
// TODO uncomment this bit when IE10 bug is resolved
// var transitionValue = [];
// for ( var prop in style ) {
// // dash-ify camelCased properties like WebkitTransition
// transitionValue.push( toDash( prop ) );
// }
// enable transition styles
// HACK always enable transform,opacity for IE10
this.css({
transitionProperty: itemTransitionProperties,
transitionDuration: this.layout.options.transitionDuration
});
// listen for transition end event
this.element.addEventListener( transitionEndEvent, this, false );
};
Item.prototype.transition = Item.prototype[ transitionProperty ? '_transition' : '_nonTransition' ];
// ----- events ----- //
Item.prototype.onwebkitTransitionEnd = function( event ) {
this.ontransitionend( event );
};
Item.prototype.onotransitionend = function( event ) {
this.ontransitionend( event );
};
// properties that I munge to make my life easier
var dashedVendorProperties = {
'-webkit-transform': 'transform',
'-moz-transform': 'transform',
'-o-transform': 'transform'
};
Item.prototype.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 ] );
};
Item.prototype.disableTransition = function() {
this.removeTransitionStyles();
this.element.removeEventListener( transitionEndEvent, this, false );
this.isTransitioning = false;
};
/**
* removes style property from element
* @param {Object} style
**/
Item.prototype._removeStyles = function( style ) {
// clean up transition styles
var cleanStyle = {};
for ( var prop in style ) {
cleanStyle[ prop ] = '';
}
this.css( cleanStyle );
};
var cleanTransitionStyle = {
transitionProperty: '',
transitionDuration: ''
};
Item.prototype.removeTransitionStyles = function() {
// remove transition
this.css( cleanTransitionStyle );
};
// ----- show/hide/remove ----- //
// remove element from DOM
Item.prototype.removeElem = function() {
this.element.parentNode.removeChild( this.element );
this.emitEvent( 'remove', [ this ] );
};
Item.prototype.remove = function() {
// just remove element if no transition support or no transition
if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
this.removeElem();
return;
}
// start transition
var _this = this;
this.on( 'transitionEnd', function() {
_this.removeElem();
return true; // bind once
});
this.hide();
};
Item.prototype.reveal = function() {
delete this.isHidden;
// remove display: none
this.css({ display: '' });
var options = this.layout.options;
this.transition({
from: options.hiddenStyle,
to: options.visibleStyle,
isCleaning: true
});
};
Item.prototype.hide = function() {
// set flag
this.isHidden = true;
// remove display: none
this.css({ display: '' });
var options = this.layout.options;
this.transition({
from: options.visibleStyle,
to: options.hiddenStyle,
// keep hidden stuff hidden
isCleaning: true,
onTransitionEnd: {
opacity: function() {
// check if still hidden
// during transition, item may have been un-hidden
if ( this.isHidden ) {
this.css({ display: 'none' });
}
}
}
});
};
Item.prototype.destroy = function() {
this.css({
position: '',
left: '',
right: '',
top: '',
bottom: '',
transition: '',
transform: ''
});
};
return Item;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'outlayer/item',[
'eventEmitter/EventEmitter',
'get-size/get-size',
'get-style-property/get-style-property'
],
outlayerItemDefinition );
} else {
// browser global
window.Outlayer = {};
window.Outlayer.Item = outlayerItemDefinition(
window.EventEmitter,
window.getSize,
window.getStyleProperty
);
}
})( window );
/*!
* Outlayer v1.2.0
* the brains and guts of a layout library
* MIT license
*/
( function( window ) {
// ----- vars ----- //
var document = window.document;
var console = window.console;
var jQuery = window.jQuery;
var noop = function() {};
// -------------------------- helpers -------------------------- //
// extend objects
function extend( a, b ) {
for ( var prop in b ) {
a[ prop ] = b[ prop ];
}
return a;
}
var objToString = Object.prototype.toString;
function isArray( obj ) {
return objToString.call( obj ) === '[object Array]';
}
// turn element or nodeList into an array
function makeArray( obj ) {
var ary = [];
if ( isArray( obj ) ) {
// use object if already an array
ary = obj;
} else if ( obj && typeof obj.length === 'number' ) {
// convert nodeList to array
for ( var i=0, len = obj.length; i < len; i++ ) {
ary.push( obj[i] );
}
} else {
// array of single index
ary.push( obj );
}
return ary;
}
// http://stackoverflow.com/a/384380/182183
var isElement = ( typeof HTMLElement === 'object' ) ?
function isElementDOM2( obj ) {
return obj instanceof HTMLElement;
} :
function isElementQuirky( obj ) {
return obj && typeof obj === 'object' &&
obj.nodeType === 1 && typeof obj.nodeName === 'string';
};
// index of helper cause IE8
var indexOf = Array.prototype.indexOf ? function( ary, obj ) {
return ary.indexOf( obj );
} : function( ary, obj ) {
for ( var i=0, len = ary.length; i < len; i++ ) {
if ( ary[i] === obj ) {
return i;
}
}
return -1;
};
function removeFrom( obj, ary ) {
var index = indexOf( ary, obj );
if ( index !== -1 ) {
ary.splice( index, 1 );
}
}
// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
function toDashed( str ) {
return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
return $1 + '-' + $2;
}).toLowerCase();
}
function outlayerDefinition( eventie, docReady, EventEmitter, getSize, matchesSelector, Item ) {
// -------------------------- 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 ) {
// use element as selector string
if ( typeof element === 'string' ) {
element = document.querySelector( element );
}
// bail out if not proper element
if ( !element || !isElement( element ) ) {
if ( console ) {
console.error( 'Bad ' + this.constructor.namespace + ' element: ' + element );
}
return;
}
this.element = element;
// options
this.options = 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();
if ( this.options.isInitLayout ) {
this.layout();
}
}
// settings are for internal use only
Outlayer.namespace = 'outlayer';
Outlayer.Item = Item;
// default options
Outlayer.defaults = {
containerStyle: {
position: 'relative'
},
isInitLayout: true,
isOriginLeft: true,
isOriginTop: true,
isResizeBound: true,
isResizingContainer: true,
// item options
transitionDuration: '0.4s',
hiddenStyle: {
opacity: 0,
transform: 'scale(0.001)'
},
visibleStyle: {
opacity: 1,
transform: 'scale(1)'
}
};
// inherit EventEmitter
extend( Outlayer.prototype, EventEmitter.prototype );
/**
* set options
* @param {Object} opts
*/
Outlayer.prototype.option = function( opts ) {
extend( this.options, opts );
};
Outlayer.prototype._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
extend( this.element.style, this.options.containerStyle );
// bind resize method
if ( this.options.isResizeBound ) {
this.bindResize();
}
};
// goes through all children again and gets bricks in proper order
Outlayer.prototype.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
*/
Outlayer.prototype._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, len = itemElems.length; i < len; 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
*/
Outlayer.prototype._filterFindItemElements = function( elems ) {
// make array of elems
elems = makeArray( elems );
var itemSelector = this.options.itemSelector;
var itemElems = [];
for ( var i=0, len = elems.length; i < len; i++ ) {
var elem = elems[i];
// check that elem is an actual element
if ( !isElement( elem ) ) {
continue;
}
// filter & find items if we have an item selector
if ( itemSelector ) {
// filter siblings
if ( matchesSelector( elem, itemSelector ) ) {
itemElems.push( elem );
}
// find children
var childElems = elem.querySelectorAll( itemSelector );
// concat childElems to filterFound array
for ( var j=0, jLen = childElems.length; j < jLen; j++ ) {
itemElems.push( childElems[j] );
}
} else {
itemElems.push( elem );
}
}
return itemElems;
};
/**
* getter method for getting item elements
* @returns {Array} elems - collection of item elements
*/
Outlayer.prototype.getItemElements = function() {
var elems = [];
for ( var i=0, len = this.items.length; i < len; i++ ) {
elems.push( this.items[i].element );
}
return elems;
};
// ----- init & layout ----- //
/**
* lays out all items
*/
Outlayer.prototype.layout = function() {
this._resetLayout();
this._manageStamps();
// don't animate first layout
var isInstant = this.options.isLayoutInstant !== undefined ?
this.options.isLayoutInstant : !this._isLayoutInited;
this.layoutItems( this.items, isInstant );
// flag for initalized
this._isLayoutInited = true;
};
// _init is alias for layout
Outlayer.prototype._init = Outlayer.prototype.layout;
/**
* logic before any new layout
*/
Outlayer.prototype._resetLayout = function() {
this.getSize();
};
Outlayer.prototype.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
*/
Outlayer.prototype._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 ( isElement( option ) ) {
elem = option;
}
// use size of element, if element
this[ measurement ] = elem ? getSize( elem )[ size ] : option;
}
};
/**
* layout a collection of item elements
* @api public
*/
Outlayer.prototype.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
*/
Outlayer.prototype._getItemsForLayout = function( items ) {
var layoutItems = [];
for ( var i=0, len = items.length; i < len; i++ ) {
var item = items[i];
if ( !item.isIgnored ) {
layoutItems.push( item );
}
}
return layoutItems;
};
/**
* layout items
* @param {Array} items
* @param {Boolean} isInstant
*/
Outlayer.prototype._layoutItems = function( items, isInstant ) {
var _this = this;
function onItemsLayout() {
_this.emitEvent( 'layoutComplete', [ _this, items ] );
}
if ( !items || !items.length ) {
// no items, emit event with empty array
onItemsLayout();
return;
}
// emit layoutComplete when done
this._itemsOn( items, 'layout', onItemsLayout );
var queue = [];
for ( var i=0, len = items.length; i < len; i++ ) {
var item = items[i];
// get x/y object from method
var position = this._getItemLayoutPosition( item );
// enqueue
position.item = item;
position.isInstant = isInstant || item.isLayoutInstant;
queue.push( position );
}
this._processLayoutQueue( queue );
};
/**
* get item layout position
* @param {Outlayer.Item} item
* @returns {Object} x and y position
*/
Outlayer.prototype._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
*/
Outlayer.prototype._processLayoutQueue = function( queue ) {
for ( var i=0, len = queue.length; i < len; i++ ) {
var obj = queue[i];
this._positionItem( obj.item, obj.x, obj.y, obj.isInstant );
}
};
/**
* 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
*/
Outlayer.prototype._positionItem = function( item, x, y, isInstant ) {
if ( isInstant ) {
// if not transition, just set CSS
item.goTo( x, y );
} else {
item.moveTo( x, y );
}
};
/**
* Any logic you want to do after each layout,
* i.e. size the container
*/
Outlayer.prototype._postLayout = function() {
this.resizeContainer();
};
Outlayer.prototype.resizeContainer = function() {
if ( !this.options.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
*/
Outlayer.prototype._getContainerSize = noop;
/**
* @param {Number} measure - size of width or height
* @param {Boolean} isWidth
*/
Outlayer.prototype._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';
};
/**
* trigger a callback for a collection of items events
* @param {Array} items - Outlayer.Items
* @param {String} eventName
* @param {Function} callback
*/
Outlayer.prototype._itemsOn = function( items, eventName, callback ) {
var doneCount = 0;
var count = items.length;
// event callback
var _this = this;
function tick() {
doneCount++;
if ( doneCount === count ) {
callback.call( _this );
}
return true; // bind once
}
// bind callback
for ( var i=0, len = items.length; i < len; i++ ) {
var item = items[i];
item.on( eventName, tick );
}
};
// -------------------------- ignore & stamps -------------------------- //
/**
* keep item in collection, but do not lay it out
* ignored items do not get skipped in layout
* @param {Element} elem
*/
Outlayer.prototype.ignore = function( elem ) {
var item = this.getItem( elem );
if ( item ) {
item.isIgnored = true;
}
};
/**
* return item to layout collection
* @param {Element} elem
*/
Outlayer.prototype.unignore = function( elem ) {
var item = this.getItem( elem );
if ( item ) {
delete item.isIgnored;
}
};
/**
* adds elements to stamps
* @param {NodeList, Array, Element, or String} elems
*/
Outlayer.prototype.stamp = function( elems ) {
elems = this._find( elems );
if ( !elems ) {
return;
}
this.stamps = this.stamps.concat( elems );
// ignore
for ( var i=0, len = elems.length; i < len; i++ ) {
var elem = elems[i];
this.ignore( elem );
}
};
/**
* removes elements to stamps
* @param {NodeList, Array, or Element} elems
*/
Outlayer.prototype.unstamp = function( elems ) {
elems = this._find( elems );
if ( !elems ){
return;
}
for ( var i=0, len = elems.length; i < len; i++ ) {
var elem = elems[i];
// filter out removed stamp elements
removeFrom( elem, this.stamps );
this.unignore( elem );
}
};
/**
* finds child elements
* @param {NodeList, Array, Element, or String} elems
* @returns {Array} elems
*/
Outlayer.prototype._find = function( elems ) {
if ( !elems ) {
return;
}
// if string, use argument as selector string
if ( typeof elems === 'string' ) {
elems = this.element.querySelectorAll( elems );
}
elems = makeArray( elems );
return elems;
};
Outlayer.prototype._manageStamps = function() {
if ( !this.stamps || !this.stamps.length ) {
return;
}
this._getBoundingRect();
for ( var i=0, len = this.stamps.length; i < len; i++ ) {
var stamp = this.stamps[i];
this._manageStamp( stamp );
}
};
// update boundingLeft / Top
Outlayer.prototype._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
**/
Outlayer.prototype._manageStamp = noop;
/**
* get x/y position of element relative to container element
* @param {Element} elem
* @returns {Object} offset - has left, top, right, bottom
*/
Outlayer.prototype._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
Outlayer.prototype.handleEvent = function( event ) {
var method = 'on' + event.type;
if ( this[ method ] ) {
this[ method ]( event );
}
};
/**
* Bind layout to window resizing
*/
Outlayer.prototype.bindResize = function() {
// bind just one listener
if ( this.isResizeBound ) {
return;
}
eventie.bind( window, 'resize', this );
this.isResizeBound = true;
};
/**
* Unbind layout to window resizing
*/
Outlayer.prototype.unbindResize = function() {
if ( this.isResizeBound ) {
eventie.unbind( window, 'resize', this );
}
this.isResizeBound = false;
};
// original debounce by John Hann
// http://unscriptable.com/index.php/2009/03/20/debouncing-javascript-methods/
// this fires every resize
Outlayer.prototype.onresize = function() {
if ( this.resizeTimeout ) {
clearTimeout( this.resizeTimeout );
}
var _this = this;
function delayed() {
_this.resize();
delete _this.resizeTimeout;
}
this.resizeTimeout = setTimeout( delayed, 100 );
};
// debounced, layout on resize
Outlayer.prototype.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
*/
Outlayer.prototype.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
**/
Outlayer.prototype.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
*/
Outlayer.prototype.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
*/
Outlayer.prototype.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
*/
Outlayer.prototype.reveal = function( items ) {
var len = items && items.length;
if ( !len ) {
return;
}
for ( var i=0; i < len; i++ ) {
var item = items[i];
item.reveal();
}
};
/**
* hide a collection of items
* @param {Array of Outlayer.Items} items
*/
Outlayer.prototype.hide = function( items ) {
var len = items && items.length;
if ( !len ) {
return;
}
for ( var i=0; i < len; i++ ) {
var item = items[i];
item.hide();
}
};
/**
* get Outlayer.Item, given an Element
* @param {Element} elem
* @param {Function} callback
* @returns {Outlayer.Item} item
*/
Outlayer.prototype.getItem = function( elem ) {
// loop through items to get the one that matches
for ( var i=0, len = this.items.length; i < len; 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
*/
Outlayer.prototype.getItems = function( elems ) {
if ( !elems || !elems.length ) {
return;
}
var items = [];
for ( var i=0, len = elems.length; i < len; i++ ) {
var elem = elems[i];
var item = this.getItem( elem );
if ( item ) {
items.push( item );
}
}
return items;
};
/**
* remove element(s) from instance and DOM
* @param {Array or NodeList or Element} elems
*/
Outlayer.prototype.remove = function( elems ) {
elems = makeArray( elems );
var removeItems = this.getItems( elems );
// bail if no items to remove
if ( !removeItems || !removeItems.length ) {
return;
}
this._itemsOn( removeItems, 'remove', function() {
this.emitEvent( 'removeComplete', [ this, removeItems ] );
});
for ( var i=0, len = removeItems.length; i < len; i++ ) {
var item = removeItems[i];
item.remove();
// remove item from collection
removeFrom( item, this.items );
}
};
// ----- destroy ----- //
// remove and disable Outlayer instance
Outlayer.prototype.destroy = function() {
// clean up dynamic styles
var style = this.element.style;
style.height = '';
style.position = '';
style.width = '';
// destroy items
for ( var i=0, len = this.items.length; i < len; i++ ) {
var item = this.items[i];
item.destroy();
}
this.unbindResize();
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 ) {
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
function Layout() {
Outlayer.apply( this, arguments );
}
// inherit Outlayer prototype, use Object.create if there
if ( Object.create ) {
Layout.prototype = Object.create( Outlayer.prototype );
} else {
extend( Layout.prototype, Outlayer.prototype );
}
// set contructor, used for namespace and Item
Layout.prototype.constructor = Layout;
Layout.defaults = extend( {}, Outlayer.defaults );
// apply new options
extend( Layout.defaults, options );
// keep prototype.settings for backwards compatibility (Packery v1.2.0)
Layout.prototype.settings = {};
Layout.namespace = namespace;
Layout.data = Outlayer.data;
// sub-class Item
Layout.Item = function LayoutItem() {
Item.apply( this, arguments );
};
Layout.Item.prototype = new Item();
// -------------------------- declarative -------------------------- //
/**
* allow user to initialize Outlayer via .js-namespace class
* options are parsed from data-namespace-option attribute
*/
docReady( function() {
var dashedNamespace = toDashed( namespace );
var elems = document.querySelectorAll( '.js-' + dashedNamespace );
var dataAttr = 'data-' + dashedNamespace + '-options';
for ( var i=0, len = elems.length; i < len; i++ ) {
var elem = elems[i];
var attr = elem.getAttribute( dataAttr );
var options;
try {
options = attr && JSON.parse( attr );
} catch ( error ) {
// log error, do not initialize
if ( console ) {
console.error( 'Error parsing ' + dataAttr + ' on ' +
elem.nodeName.toLowerCase() + ( elem.id ? '#' + elem.id : '' ) + ': ' +
error );
}
continue;
}
// initialize
var instance = new Layout( elem, options );
// make available via $().data('layoutname')
if ( jQuery ) {
jQuery.data( elem, namespace, instance );
}
}
});
// -------------------------- jQuery bridge -------------------------- //
// make into jQuery plugin
if ( jQuery && jQuery.bridget ) {
jQuery.bridget( namespace, Layout );
}
return Layout;
};
// ----- fin ----- //
// back in global
Outlayer.Item = Item;
return Outlayer;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'outlayer/outlayer',[
'eventie/eventie',
'doc-ready/doc-ready',
'eventEmitter/EventEmitter',
'get-size/get-size',
'matches-selector/matches-selector',
'./item'
],
outlayerDefinition );
} else {
// browser global
window.Outlayer = outlayerDefinition(
window.eventie,
window.docReady,
window.EventEmitter,
window.getSize,
window.matchesSelector,
window.Outlayer.Item
);
}
})( window );
/**
* Isotope Item
**/
( function( window ) {
// -------------------------- Item -------------------------- //
function itemDefinition( Outlayer ) {
// sub-class Outlayer Item
function Item() {
Outlayer.Item.apply( this, arguments );
}
Item.prototype = new Outlayer.Item();
Item.prototype._create = function() {
// assign id, used for original-order sorting
this.id = this.layout.itemGUID++;
Outlayer.Item.prototype._create.call( this );
this.sortData = {};
};
Item.prototype.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 = Item.prototype.destroy;
Item.prototype.destroy = function() {
// call super
_destroy.apply( this, arguments );
// reset display, #741
this.css({
display: ''
});
};
return Item;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'isotope/js/item',[
'outlayer/outlayer'
],
itemDefinition );
} else {
// browser global
window.Isotope = window.Isotope || {};
window.Isotope.Item = itemDefinition(
window.Outlayer
);
}
})( window );
( function( window ) {
// -------------------------- -------------------------- //
function layoutModeDefinition( getSize, Outlayer ) {
// 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;
}
}
/**
* some methods should just defer to default Outlayer method
* and reference the Isotope instance as `this`
**/
( function() {
var facadeMethods = [
'_resetLayout',
'_getItemLayoutPosition',
'_manageStamp',
'_getContainerSize',
'_getElementOffset',
'needsResizeLayout'
];
for ( var i=0, len = facadeMethods.length; i < len; i++ ) {
var methodName = facadeMethods[i];
LayoutMode.prototype[ methodName ] = getOutlayerMethod( methodName );
}
function getOutlayerMethod( methodName ) {
return function() {
return Outlayer.prototype[ methodName ].apply( this.isotope, arguments );
};
}
})();
// ----- ----- //
// for horizontal layout modes, check vertical size
LayoutMode.prototype.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 ----- //
LayoutMode.prototype._getMeasurement = function() {
this.isotope._getMeasurement.apply( this, arguments );
};
LayoutMode.prototype.getColumnWidth = function() {
this.getSegmentSize( 'column', 'Width' );
};
LayoutMode.prototype.getRowHeight = function() {
this.getSegmentSize( 'row', 'Height' );
};
/**
* get columnWidth or rowHeight
* segment: 'column' or 'row'
* size 'Width' or 'Height'
**/
LayoutMode.prototype.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 ];
};
LayoutMode.prototype.getFirstItemSize = function() {
var firstItem = this.isotope.filteredItems[0];
return firstItem && firstItem.element && getSize( firstItem.element );
};
// ----- methods that should reference isotope ----- //
LayoutMode.prototype.layout = function() {
this.isotope.layout.apply( this.isotope, arguments );
};
LayoutMode.prototype.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 = new LayoutMode();
// default options
if ( options ) {
Mode.options = options;
}
Mode.prototype.namespace = namespace;
// register in Isotope
LayoutMode.modes[ namespace ] = Mode;
return Mode;
};
return LayoutMode;
}
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'isotope/js/layout-mode',[
'get-size/get-size',
'outlayer/outlayer'
],
layoutModeDefinition );
} else {
// browser global
window.Isotope = window.Isotope || {};
window.Isotope.LayoutMode = layoutModeDefinition(
window.getSize,
window.Outlayer
);
}
})( window );
/*!
* Masonry v3.1.5
* Cascading grid layout library
* http://masonry.desandro.com
* MIT License
* by David DeSandro
*/
( function( window ) {
// -------------------------- helpers -------------------------- //
var indexOf = Array.prototype.indexOf ?
function( items, value ) {
return items.indexOf( value );
} :
function ( items, value ) {
for ( var i=0, len = items.length; i < len; i++ ) {
var item = items[i];
if ( item === value ) {
return i;
}
}
return -1;
};
// -------------------------- masonryDefinition -------------------------- //
// used for AMD definition and requires
function masonryDefinition( Outlayer, getSize ) {
// create an Outlayer layout class
var Masonry = Outlayer.create('masonry');
Masonry.prototype._resetLayout = function() {
this.getSize();
this._getMeasurement( 'columnWidth', 'outerWidth' );
this._getMeasurement( 'gutter', 'outerWidth' );
this.measureColumns();
// reset column Y
var i = this.cols;
this.colYs = [];
while (i--) {
this.colYs.push( 0 );
}
this.maxY = 0;
};
Masonry.prototype.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;
}
this.columnWidth += this.gutter;
this.cols = Math.floor( ( this.containerWidth + this.gutter ) / this.columnWidth );
this.cols = Math.max( this.cols, 1 );
};
Masonry.prototype.getContainerWidth = function() {
// container is parent if fit width
var container = this.options.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;
};
Masonry.prototype._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 );
var colGroup = this._getColGroup( colSpan );
// get the minimum Y value from the columns
var minimumY = Math.min.apply( Math, colGroup );
var shortColIndex = indexOf( colGroup, minimumY );
// position the brick
var position = {
x: this.columnWidth * shortColIndex,
y: minimumY
};
// apply setHeight to necessary columns
var setHeight = minimumY + item.size.outerHeight;
var setSpan = this.cols + 1 - colGroup.length;
for ( var i = 0; i < setSpan; i++ ) {
this.colYs[ shortColIndex + i ] = setHeight;
}
return position;
};
/**
* @param {Number} colSpan - number of columns the element spans
* @returns {Array} colGroup
*/
Masonry.prototype._getColGroup = 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++ ) {
// make an array of colY values for that one group
var groupColYs = this.colYs.slice( i, i + colSpan );
// and get the max value of the array
colGroup[i] = Math.max.apply( Math, groupColYs );
}
return colGroup;
};
Masonry.prototype._manageStamp = function( stamp ) {
var stampSize = getSize( stamp );
var offset = this._getElementOffset( stamp );
// get the columns that this stamp affects
var firstX = this.options.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 stampMaxY = ( this.options.isOriginTop ? offset.top : offset.bottom ) +
stampSize.outerHeight;
for ( var i = firstCol; i <= lastCol; i++ ) {
this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
}
};
Masonry.prototype._getContainerSize = function() {
this.maxY = Math.max.apply( Math, this.colYs );
var size = {
height: this.maxY
};
if ( this.options.isFitWidth ) {
size.width = this._getContainerFitWidth();
}
return size;
};
Masonry.prototype._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;
};
Masonry.prototype.needsResizeLayout = function() {
var previousWidth = this.containerWidth;
this.getContainerWidth();
return previousWidth !== this.containerWidth;
};
return Masonry;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'masonry/masonry',[
'outlayer/outlayer',
'get-size/get-size'
],
masonryDefinition );
} else {
// browser global
window.Masonry = masonryDefinition(
window.Outlayer,
window.getSize
);
}
})( window );
/*!
* Masonry layout mode
* sub-classes Masonry
* http://masonry.desandro.com
*/
( function( window ) {
// -------------------------- helpers -------------------------- //
// extend objects
function extend( a, b ) {
for ( var prop in b ) {
a[ prop ] = b[ prop ];
}
return a;
}
// -------------------------- masonryDefinition -------------------------- //
// used for AMD definition and requires
function masonryDefinition( LayoutMode, Masonry ) {
// create an Outlayer layout class
var MasonryMode = LayoutMode.create('masonry');
// save on to these methods
var _getElementOffset = MasonryMode.prototype._getElementOffset;
var layout = MasonryMode.prototype.layout;
var _getMeasurement = MasonryMode.prototype._getMeasurement;
// sub-class Masonry
extend( MasonryMode.prototype, Masonry.prototype );
// set back, as it was overwritten by Masonry
MasonryMode.prototype._getElementOffset = _getElementOffset;
MasonryMode.prototype.layout = layout;
MasonryMode.prototype._getMeasurement = _getMeasurement;
var measureColumns = MasonryMode.prototype.measureColumns;
MasonryMode.prototype.measureColumns = function() {
// set items, used if measuring first item
this.items = this.isotope.filteredItems;
measureColumns.call( this );
};
// HACK copy over isOriginLeft/Top options
var _manageStamp = MasonryMode.prototype._manageStamp;
MasonryMode.prototype._manageStamp = function() {
this.options.isOriginLeft = this.isotope.options.isOriginLeft;
this.options.isOriginTop = this.isotope.options.isOriginTop;
_manageStamp.apply( this, arguments );
};
return MasonryMode;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'isotope/js/layout-modes/masonry',[
'../layout-mode',
'masonry/masonry'
],
masonryDefinition );
} else {
// browser global
masonryDefinition(
window.Isotope.LayoutMode,
window.Masonry
);
}
})( window );
( function( window ) {
function fitRowsDefinition( LayoutMode ) {
var FitRows = LayoutMode.create('fitRows');
FitRows.prototype._resetLayout = function() {
this.x = 0;
this.y = 0;
this.maxY = 0;
};
FitRows.prototype._getItemLayoutPosition = function( item ) {
item.getSize();
// if this element cannot fit in the current row
if ( this.x !== 0 && item.size.outerWidth + this.x > this.isotope.size.innerWidth ) {
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 += item.size.outerWidth;
return position;
};
FitRows.prototype._getContainerSize = function() {
return { height: this.maxY };
};
return FitRows;
}
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'isotope/js/layout-modes/fit-rows',[
'../layout-mode'
],
fitRowsDefinition );
} else {
// browser global
fitRowsDefinition(
window.Isotope.LayoutMode
);
}
})( window );
( function( window ) {
function verticalDefinition( LayoutMode ) {
var Vertical = LayoutMode.create( 'vertical', {
horizontalAlignment: 0
});
Vertical.prototype._resetLayout = function() {
this.y = 0;
};
Vertical.prototype._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 };
};
Vertical.prototype._getContainerSize = function() {
return { height: this.y };
};
return Vertical;
}
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'isotope/js/layout-modes/vertical',[
'../layout-mode'
],
verticalDefinition );
} else {
// browser global
verticalDefinition(
window.Isotope.LayoutMode
);
}
})( window );
/*!
* Isotope v2.0.1
* Filter & sort magical layouts
* http://isotope.metafizzy.co
*/
( function( window ) {
// -------------------------- vars -------------------------- //
var jQuery = window.jQuery;
// -------------------------- helpers -------------------------- //
// extend objects
function extend( a, b ) {
for ( var prop in b ) {
a[ prop ] = b[ prop ];
}
return a;
}
var trim = String.prototype.trim ?
function( str ) {
return str.trim();
} :
function( str ) {
return str.replace( /^\s+|\s+$/g, '' );
};
var docElem = document.documentElement;
var getText = docElem.textContent ?
function( elem ) {
return elem.textContent;
} :
function( elem ) {
return elem.innerText;
};
var objToString = Object.prototype.toString;
function isArray( obj ) {
return objToString.call( obj ) === '[object Array]';
}
// index of helper cause IE8
var indexOf = Array.prototype.indexOf ? function( ary, obj ) {
return ary.indexOf( obj );
} : function( ary, obj ) {
for ( var i=0, len = ary.length; i < len; i++ ) {
if ( ary[i] === obj ) {
return i;
}
}
return -1;
};
// turn element or nodeList into an array
function makeArray( obj ) {
var ary = [];
if ( isArray( obj ) ) {
// use object if already an array
ary = obj;
} else if ( obj && typeof obj.length === 'number' ) {
// convert nodeList to array
for ( var i=0, len = obj.length; i < len; i++ ) {
ary.push( obj[i] );
}
} else {
// array of single index
ary.push( obj );
}
return ary;
}
function removeFrom( obj, ary ) {
var index = indexOf( ary, obj );
if ( index !== -1 ) {
ary.splice( index, 1 );
}
}
// -------------------------- isotopeDefinition -------------------------- //
// used for AMD definition and requires
function isotopeDefinition( Outlayer, getSize, matchesSelector, Item, LayoutMode ) {
// create an Outlayer layout class
var Isotope = Outlayer.create( 'isotope', {
layoutMode: "masonry",
isJQueryFiltering: true,
sortAscending: true
});
Isotope.Item = Item;
Isotope.LayoutMode = LayoutMode;
Isotope.prototype._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 );
}
};
Isotope.prototype.reloadItems = function() {
// reset item ID counter
this.itemGUID = 0;
// call super
Outlayer.prototype.reloadItems.call( this );
};
Isotope.prototype._itemize = function() {
var items = Outlayer.prototype._itemize.apply( this, arguments );
// assign ID for original-order
for ( var i=0, len = items.length; i < len; i++ ) {
var item = items[i];
item.id = this.itemGUID++;
}
this._updateItemsSortData( items );
return items;
};
// -------------------------- layout -------------------------- //
Isotope.prototype._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 ?
extend( Mode.options, initialOpts ) : initialOpts;
// init layout mode instance
this.modes[ name ] = new Mode( this );
};
Isotope.prototype.layout = function() {
// if first time doing layout, do all magic
if ( !this._isLayoutInited && this.options.isInitLayout ) {
this.arrange();
return;
}
this._layout();
};
// private method to be used in layout() & magic()
Isotope.prototype._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
Isotope.prototype.arrange = function( opts ) {
// set any options pass
this.option( opts );
this._getIsInstant();
// filter, sort, and layout
this.filteredItems = this._filter( this.items );
this._sort();
this._layout();
};
// alias to _init for main plugin method
Isotope.prototype._init = Isotope.prototype.arrange;
// HACK
// Don't animate/transition first layout
// Or don't animate/transition other layouts
Isotope.prototype._getIsInstant = function() {
var isInstant = this.options.isLayoutInstant !== undefined ?
this.options.isLayoutInstant : !this._isLayoutInited;
this._isInstant = isInstant;
return isInstant;
};
// -------------------------- filter -------------------------- //
Isotope.prototype._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, len = items.length; i < len; 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 );
}
}
var _this = this;
function hideReveal() {
_this.reveal( hiddenMatched );
_this.hide( visibleUnmatched );
}
if ( this._isInstant ) {
this._noTransition( hideReveal );
} else {
hideReveal();
}
return matches;
};
// get a jQuery, function, or a matchesSelector test given the filter
Isotope.prototype._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
*/
Isotope.prototype.updateSortData = function( elems ) {
this._getSorters();
// update item sort data
// default to all items if none are passed in
elems = makeArray( elems );
var items = this.getItems( elems );
// if no items found, update all items
items = items.length ? items : this.items;
this._updateItemsSortData( items );
};
Isotope.prototype._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
*/
Isotope.prototype._updateItemsSortData = function( items ) {
for ( var i=0, len = items.length; 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 ) {
var getValue;
// if query looks like [foo-bar], get attribute
if ( attr ) {
getValue = function( elem ) {
return elem.getAttribute( attr );
};
} else {
// otherwise, assume its a querySelector, and get its text
getValue = function( elem ) {
var child = elem.querySelector( query );
return child && getText( child );
};
}
return getValue;
}
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
Isotope.prototype._sort = function() {
var sortByOpt = this.options.sortBy;
if ( !sortByOpt ) {
return;
}
// concat all sortBy and sortHistory
var sortBys = [].concat.apply( sortByOpt, this.sortHistory );
// sort magic
var itemSorter = getItemSorter( sortBys, this.options.sortAscending );
this.filteredItems.sort( itemSorter );
// keep track of sortBy History
if ( sortByOpt !== this.sortHistory[0] ) {
// add to front, oldest goes in last
this.sortHistory.unshift( sortByOpt );
}
};
// returns a function used for sorting
function getItemSorter( sortBys, sortAsc ) {
return function sorter( itemA, itemB ) {
// cycle through all sortKeys
for ( var i = 0, len = sortBys.length; i < len; 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
Isotope.prototype._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;
};
Isotope.prototype._resetLayout = function() {
// trigger original reset layout
Outlayer.prototype._resetLayout.call( this );
this._mode()._resetLayout();
};
Isotope.prototype._getItemLayoutPosition = function( item ) {
return this._mode()._getItemLayoutPosition( item );
};
Isotope.prototype._manageStamp = function( stamp ) {
this._mode()._manageStamp( stamp );
};
Isotope.prototype._getContainerSize = function() {
return this._mode()._getContainerSize();
};
Isotope.prototype.needsResizeLayout = function() {
return this._mode().needsResizeLayout();
};
// -------------------------- adding & removing -------------------------- //
// HEADS UP overwrites default Outlayer appended
Isotope.prototype.appended = function( elems ) {
var items = this.addItems( elems );
if ( !items.length ) {
return;
}
var filteredItems = this._filterRevealAdded( items );
// add to filteredItems
this.filteredItems = this.filteredItems.concat( filteredItems );
};
// HEADS UP overwrites default Outlayer prepended
Isotope.prototype.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
var filteredItems = this._filterRevealAdded( items );
// layout previous items
this.layoutItems( previousItems );
// add to filteredItems
this.filteredItems = filteredItems.concat( this.filteredItems );
};
Isotope.prototype._filterRevealAdded = function( items ) {
var filteredItems = this._noTransition( function() {
return this._filter( items );
});
// layout and reveal just the new items
this.layoutItems( filteredItems, true );
this.reveal( filteredItems );
return items;
};
/**
* Filter, sort, and layout newly-appended item elements
* @param {Array or NodeList or Element} elems
*/
Isotope.prototype.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
/*
// this way adds hides new filtered items with NO transition
// so user can't see if new hidden items have been inserted
var filteredInsertItems;
this._noTransition( function() {
filteredInsertItems = this._filter( items );
// hide all new items
this.hide( filteredInsertItems );
});
// */
// this way hides new filtered items with transition
// so user at least sees that something has been added
var filteredInsertItems = this._filter( items );
// hide all newitems
this._noTransition( function() {
this.hide( filteredInsertItems );
});
// */
// 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 = Isotope.prototype.remove;
Isotope.prototype.remove = function( elems ) {
elems = makeArray( elems );
var removeItems = this.getItems( elems );
// do regular thing
_remove.call( this, elems );
// bail if no items to remove
if ( !removeItems || !removeItems.length ) {
return;
}
// remove elems from filteredItems
for ( var i=0, len = removeItems.length; i < len; i++ ) {
var item = removeItems[i];
// remove item from collection
removeFrom( item, this.filteredItems );
}
};
Isotope.prototype.shuffle = function() {
// update random sortData
for ( var i=0, len = this.items.length; i < len; 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
* @returns ret
* @private
*/
Isotope.prototype._noTransition = function( fn ) {
// save transitionDuration before disabling
var transitionDuration = this.options.transitionDuration;
// disable transition
this.options.transitionDuration = 0;
// do it
var returnValue = fn.call( this );
// 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
*/
Isotope.prototype.getFilteredItemElements = function() {
var elems = [];
for ( var i=0, len = this.filteredItems.length; i < len; i++ ) {
elems.push( this.filteredItems[i].element );
}
return elems;
};
// ----- ----- //
return Isotope;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( [
'outlayer/outlayer',
'get-size/get-size',
'matches-selector/matches-selector',
'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'
],
isotopeDefinition );
} else {
// browser global
window.Isotope = isotopeDefinition(
window.Outlayer,
window.getSize,
window.matchesSelector,
window.Isotope.Item,
window.Isotope.LayoutMode
);
}
})( window );