app/assets/javascripts/packery.pkgd.js
/*!
* Packery PACKAGED v1.3.2
* bin-packing layout library
* http://packery.metafizzy.co
*
* Commercial use requires one-time purchase of a commercial license
* http://packery.metafizzy.co/license.html
*
* Non-commercial use is licensed under the GPL v3 License
*
* Copyright 2015 Metafizzy
*/
/**
* Bridget makes jQuery widgets
* v1.1.0
* MIT license
*/
( function( window ) {
// -------------------------- utils -------------------------- //
var slice = Array.prototype.slice;
function noop() {}
// -------------------------- definition -------------------------- //
function defineBridget( $ ) {
// bail if no jQuery
if ( !$ ) {
return;
}
// -------------------------- addOptionMethod -------------------------- //
/**
* adds option method -> $().plugin('option', {...})
* @param {Function} PluginClass - constructor class
*/
function addOptionMethod( PluginClass ) {
// don't overwrite original option method
if ( PluginClass.prototype.option ) {
return;
}
// option setter
PluginClass.prototype.option = function( opts ) {
// bail out if not an object
if ( !$.isPlainObject( opts ) ){
return;
}
this.options = $.extend( true, this.options, opts );
};
}
// -------------------------- plugin bridge -------------------------- //
// helper function for logging errors
// $.error breaks jQuery chaining
var logError = typeof console === 'undefined' ? noop :
function( message ) {
console.error( message );
};
/**
* jQuery plugin bridge, access methods like $elem.plugin('method')
* @param {String} namespace - plugin name
* @param {Function} PluginClass - constructor class
*/
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 -------------------------- //
/**
* converts a Prototypical class into a proper jQuery plugin
* the class must have a ._init method
* @param {String} namespace - plugin name, used in $().pluginName
* @param {Function} PluginClass - constructor class
*/
$.bridget = function( namespace, PluginClass ) {
addOptionMethod( PluginClass );
bridge( namespace, PluginClass );
};
return $.bridget;
}
// transport
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'jquery-bridget/jquery.bridget',[ 'jquery' ], defineBridget );
} else if ( typeof exports === 'object' ) {
defineBridget( require('jquery') );
} else {
// get jquery from browser global
defineBridget( window.jQuery );
}
})( window );
/*!
* classie v1.0.1
* class helper functions
* from bonzo https://github.com/ded/bonzo
* MIT license
*
* classie.has( elem, 'my-class' ) -> true/false
* classie.add( elem, 'my-new-class' )
* classie.remove( elem, 'my-unwanted-class' )
* classie.toggle( elem, 'my-class' )
*/
/*jshint browser: true, strict: true, undef: true, unused: true */
/*global define: false, module: false */
( function( window ) {
// class helper functions from bonzo https://github.com/ded/bonzo
function classReg( className ) {
return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
}
// classList support for class management
// altho to be fair, the api sucks because it won't accept multiple classes at once
var hasClass, addClass, removeClass;
if ( 'classList' in document.documentElement ) {
hasClass = function( elem, c ) {
return elem.classList.contains( c );
};
addClass = function( elem, c ) {
elem.classList.add( c );
};
removeClass = function( elem, c ) {
elem.classList.remove( c );
};
}
else {
hasClass = function( elem, c ) {
return classReg( c ).test( elem.className );
};
addClass = function( elem, c ) {
if ( !hasClass( elem, c ) ) {
elem.className = elem.className + ' ' + c;
}
};
removeClass = function( elem, c ) {
elem.className = elem.className.replace( classReg( c ), ' ' );
};
}
function toggleClass( elem, c ) {
var fn = hasClass( elem, c ) ? removeClass : addClass;
fn( elem, c );
}
var classie = {
// full names
hasClass: hasClass,
addClass: addClass,
removeClass: removeClass,
toggleClass: toggleClass,
// short names
has: hasClass,
add: addClass,
remove: removeClass,
toggle: toggleClass
};
// transport
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'classie/classie',classie );
} else if ( typeof exports === 'object' ) {
// CommonJS
module.exports = classie;
} else {
// browser global
window.classie = classie;
}
})( window );
/*!
* getStyleProperty v1.0.4
* original by kangax
* http://perfectionkills.com/feature-testing-css-properties/
* MIT license
*/
/*jshint browser: true, strict: true, undef: true */
/*global define: false, exports: false, module: false */
( 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 );
/*!
* getSize v1.2.2
* measure size of elements
* MIT license
*/
/*jshint browser: true, strict: true, undef: true, unused: true */
/*global define: false, exports: false, require: false, module: false, console: false */
( function( window, undefined ) {
// -------------------------- 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'
];
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 ) {
// -------------------------- setup -------------------------- //
var isSetup = false;
var getStyle, boxSizingProp, isBoxSizeOuter;
/**
* setup vars and functions
* do it on initial getSize(), rather than on script load
* For Firefox bug https://bugzilla.mozilla.org/show_bug.cgi?id=548397
*/
function setup() {
// setup once
if ( isSetup ) {
return;
}
isSetup = true;
var getComputedStyle = window.getComputedStyle;
getStyle = ( function() {
var getStyleFn = getComputedStyle ?
function( elem ) {
return getComputedStyle( elem, null );
} :
function( elem ) {
return elem.currentStyle;
};
return function getStyle( elem ) {
var style = getStyleFn( 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;
};
})();
// -------------------------- box sizing -------------------------- //
boxSizingProp = getStyleProperty('boxSizing');
/**
* WebKit measures the outer-width on style.width on border-box elems
* IE & Firefox measures the inner-width
*/
if ( boxSizingProp ) {
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 ) {
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 = !!( 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 ( window.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('desandro-get-style-property') );
} else {
// browser global
window.getSize = defineGetSize( window.getStyleProperty );
}
})( window );
/*!
* eventie v1.0.6
* event binding helper
* eventie.bind( elem, 'click', myFn )
* eventie.unbind( elem, 'click', myFn )
* MIT license
*/
/*jshint browser: true, undef: true, unused: true */
/*global define: false, module: false */
( 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;
}
})( window );
/*!
* docReady v1.0.4
* Cross browser DOMContentLoaded event emitter
* MIT license
*/
/*jshint browser: true, strict: true, undef: true, unused: true*/
/*global define: false, require: false, module: false */
( 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 onReady( event ) {
// bail if already triggered or IE8 document is not ready just yet
var isIE8NotReady = event.type === 'readystatechange' && document.readyState !== 'complete';
if ( docReady.isReady || isIE8NotReady ) {
return;
}
trigger();
}
function trigger() {
docReady.isReady = true;
// process queue
for ( var i=0, len = queue.length; i < len; i++ ) {
var fn = queue[i];
fn();
}
}
function defineDocReady( eventie ) {
// trigger ready if page is ready
if ( document.readyState === 'complete' ) {
trigger();
} else {
// listen for events
eventie.bind( document, 'DOMContentLoaded', onReady );
eventie.bind( document, 'readystatechange', onReady );
eventie.bind( window, 'load', onReady );
}
return docReady;
}
// transport
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'doc-ready/doc-ready',[ 'eventie/eventie' ], defineDocReady );
} else if ( typeof exports === 'object' ) {
module.exports = defineDocReady( require('eventie') );
} else {
// browser global
window.docReady = defineDocReady( window.eventie );
}
})( window );
/*!
* EventEmitter v4.2.11 - git.io/ee
* Unlicense - http://unlicense.org/
* Oliver Caldwell - http://oli.me.uk/
* @preserve
*/
;(function () {
/**
* Class for managing events.
* Can be extended to provide event functionality in other classes.
*
* @class EventEmitter Manages event registering and emitting.
*/
function EventEmitter() {}
// Shortcuts to improve speed and size
var proto = EventEmitter.prototype;
var exports = this;
var originalGlobalValue = exports.EventEmitter;
/**
* Finds the index of the listener for the event in its storage array.
*
* @param {Function[]} listeners Array of listeners to search through.
* @param {Function} listener Method to look for.
* @return {Number} Index of the specified listener, -1 if not found
* @api private
*/
function indexOfListener(listeners, listener) {
var i = listeners.length;
while (i--) {
if (listeners[i].listener === listener) {
return i;
}
}
return -1;
}
/**
* Alias a method while keeping the context correct, to allow for overwriting of target method.
*
* @param {String} name The name of the target method.
* @return {Function} The aliased method
* @api private
*/
function alias(name) {
return function aliasClosure() {
return this[name].apply(this, arguments);
};
}
/**
* Returns the listener array for the specified event.
* Will initialise the event object and listener arrays if required.
* Will return an object if you use a regex search. The object contains keys for each matched event. So /ba[rz]/ might return an object containing bar and baz. But only if you have either defined them with defineEvent or added some listeners to them.
* Each property in the object response is an array of listener functions.
*
* @param {String|RegExp} evt Name of the event to return the listeners from.
* @return {Function[]|Object} All listener functions for the event.
*/
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;
};
/**
* Takes a list of listener objects and flattens it into a list of listener functions.
*
* @param {Object[]} listeners Raw listener objects.
* @return {Function[]} Just the listener functions.
*/
proto.flattenListeners = function flattenListeners(listeners) {
var flatListeners = [];
var i;
for (i = 0; i < listeners.length; i += 1) {
flatListeners.push(listeners[i].listener);
}
return flatListeners;
};
/**
* Fetches the requested listeners via getListeners but will always return the results inside an object. This is mainly for internal use but others may find it useful.
*
* @param {String|RegExp} evt Name of the event to return the listeners from.
* @return {Object} All listener functions for an event in an object.
*/
proto.getListenersAsObject = function getListenersAsObject(evt) {
var listeners = this.getListeners(evt);
var response;
if (listeners instanceof Array) {
response = {};
response[evt] = listeners;
}
return response || listeners;
};
/**
* Adds a listener function to the specified event.
* The listener will not be added if it is a duplicate.
* If the listener returns true then it will be removed after it is called.
* If you pass a regular expression as the event name then the listener will be added to all events that match it.
*
* @param {String|RegExp} evt Name of the event to attach the listener to.
* @param {Function} listener Method to be called when the event is emitted. If the function returns true then it will be removed after calling.
* @return {Object} Current instance of EventEmitter for chaining.
*/
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');
/**
* Semi-alias of addListener. It will add a listener that will be
* automatically removed after its first execution.
*
* @param {String|RegExp} evt Name of the event to attach the listener to.
* @param {Function} listener Method to be called when the event is emitted. If the function returns true then it will be removed after calling.
* @return {Object} Current instance of EventEmitter for chaining.
*/
proto.addOnceListener = function addOnceListener(evt, listener) {
return this.addListener(evt, {
listener: listener,
once: true
});
};
/**
* Alias of addOnceListener.
*/
proto.once = alias('addOnceListener');
/**
* Defines an event name. This is required if you want to use a regex to add a listener to multiple events at once. If you don't do this then how do you expect it to know what event to add to? Should it just add to every possible match for a regex? No. That is scary and bad.
* You need to tell it what event names should be matched by a regex.
*
* @param {String} evt Name of the event to create.
* @return {Object} Current instance of EventEmitter for chaining.
*/
proto.defineEvent = function defineEvent(evt) {
this.getListeners(evt);
return this;
};
/**
* Uses defineEvent to define multiple events.
*
* @param {String[]} evts An array of event names to define.
* @return {Object} Current instance of EventEmitter for chaining.
*/
proto.defineEvents = function defineEvents(evts) {
for (var i = 0; i < evts.length; i += 1) {
this.defineEvent(evts[i]);
}
return this;
};
/**
* Removes a listener function from the specified event.
* When passed a regular expression as the event name, it will remove the listener from all events that match it.
*
* @param {String|RegExp} evt Name of the event to remove the listener from.
* @param {Function} listener Method to remove from the event.
* @return {Object} Current instance of EventEmitter for chaining.
*/
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');
/**
* Adds listeners in bulk using the manipulateListeners method.
* If you pass an object as the second argument you can add to multiple events at once. The object should contain key value pairs of events and listeners or listener arrays. You can also pass it an event name and an array of listeners to be added.
* You can also pass it a regular expression to add the array of listeners to all events that match it.
* Yeah, this function does quite a bit. That's probably a bad thing.
*
* @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to add to multiple events at once.
* @param {Function[]} [listeners] An optional array of listener functions to add.
* @return {Object} Current instance of EventEmitter for chaining.
*/
proto.addListeners = function addListeners(evt, listeners) {
// Pass through to manipulateListeners
return this.manipulateListeners(false, evt, listeners);
};
/**
* Removes listeners in bulk using the manipulateListeners method.
* If you pass an object as the second argument you can remove from multiple events at once. The object should contain key value pairs of events and listeners or listener arrays.
* You can also pass it an event name and an array of listeners to be removed.
* You can also pass it a regular expression to remove the listeners from all events that match it.
*
* @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to remove from multiple events at once.
* @param {Function[]} [listeners] An optional array of listener functions to remove.
* @return {Object} Current instance of EventEmitter for chaining.
*/
proto.removeListeners = function removeListeners(evt, listeners) {
// Pass through to manipulateListeners
return this.manipulateListeners(true, evt, listeners);
};
/**
* Edits listeners in bulk. The addListeners and removeListeners methods both use this to do their job. You should really use those instead, this is a little lower level.
* The first argument will determine if the listeners are removed (true) or added (false).
* If you pass an object as the second argument you can add/remove from multiple events at once. The object should contain key value pairs of events and listeners or listener arrays.
* You can also pass it an event name and an array of listeners to be added/removed.
* You can also pass it a regular expression to manipulate the listeners of all events that match it.
*
* @param {Boolean} remove True if you want to remove listeners, false if you want to add.
* @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to add/remove from multiple events at once.
* @param {Function[]} [listeners] An optional array of listener functions to add/remove.
* @return {Object} Current instance of EventEmitter for chaining.
*/
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 its 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;
};
/**
* Removes all listeners from a specified event.
* If you do not specify an event then all listeners will be removed.
* That means every event will be emptied.
* You can also pass a regex to remove all events that match it.
*
* @param {String|RegExp} [evt] Optional name of the event to remove all listeners for. Will remove from every event if not passed.
* @return {Object} Current instance of EventEmitter for chaining.
*/
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;
};
/**
* Alias of removeEvent.
*
* Added to mirror the node API.
*/
proto.removeAllListeners = alias('removeEvent');
/**
* Emits an event of your choice.
* When emitted, every listener attached to that event will be executed.
* If you pass the optional argument array then those arguments will be passed to every listener upon execution.
* Because it uses `apply`, your array of arguments will be passed as if you wrote them out separately.
* So they will not arrive within the array on the other side, they will be separate.
* You can also pass a regular expression to emit to all events that match it.
*
* @param {String|RegExp} evt Name of the event to emit and execute listeners for.
* @param {Array} [args] Optional array of arguments to be passed to each listener.
* @return {Object} Current instance of EventEmitter for chaining.
*/
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');
/**
* Subtly different from emitEvent in that it will pass its arguments on to the listeners, as opposed to taking a single array of arguments to pass on.
* As with emitEvent, you can pass a regex in place of the event name to emit to all events that match it.
*
* @param {String|RegExp} evt Name of the event to emit and execute listeners for.
* @param {...*} Optional additional arguments to be passed to each listener.
* @return {Object} Current instance of EventEmitter for chaining.
*/
proto.emit = function emit(evt) {
var args = Array.prototype.slice.call(arguments, 1);
return this.emitEvent(evt, args);
};
/**
* Sets the current value to check against when executing listeners. If a
* listeners return value matches the one set here then it will be removed
* after execution. This value defaults to true.
*
* @param {*} value The new value to check for when executing listeners.
* @return {Object} Current instance of EventEmitter for chaining.
*/
proto.setOnceReturnValue = function setOnceReturnValue(value) {
this._onceReturnValue = value;
return this;
};
/**
* Fetches the current value to check against when executing listeners. If
* the listeners return value matches this one then it should be removed
* automatically. It will return true by default.
*
* @return {*|Boolean} The current value to check for or the default, true.
* @api private
*/
proto._getOnceReturnValue = function _getOnceReturnValue() {
if (this.hasOwnProperty('_onceReturnValue')) {
return this._onceReturnValue;
}
else {
return true;
}
};
/**
* Fetches the events object and creates one if required.
*
* @return {Object} The events storage object.
* @api private
*/
proto._getEvents = function _getEvents() {
return this._events || (this._events = {});
};
/**
* Reverts the global {@link EventEmitter} to its previous value and returns a reference to this version.
*
* @return {Function} Non conflicting EventEmitter class.
*/
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 {
exports.EventEmitter = EventEmitter;
}
}.call(this));
/**
* matchesSelector v1.0.2
* matchesSelector( element, '.selector' )
* MIT license
*/
/*jshint browser: true, strict: true, undef: true, unused: true */
/*global define: false, module: false */
( function( 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 if ( typeof exports === 'object' ) {
module.exports = matchesSelector;
}
else {
// browser global
window.matchesSelector = matchesSelector;
}
})( 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 if (typeof exports === 'object') {
// CommonJS
module.exports = outlayerItemDefinition(
require('wolfy87-eventemitter'),
require('get-size'),
require('desandro-get-style-property')
);
} else {
// browser global
window.Outlayer = {};
window.Outlayer.Item = outlayerItemDefinition(
window.EventEmitter,
window.getSize,
window.getStyleProperty
);
}
})( window );
/*!
* Outlayer v1.3.0
* 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 === 'function' || 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();
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 ) {
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 if ( typeof exports === 'object' ) {
// CommonJS
module.exports = outlayerDefinition(
require('eventie'),
require('doc-ready'),
require('wolfy87-eventemitter'),
require('get-size'),
require('desandro-matches-selector'),
require('./item')
);
} else {
// browser global
window.Outlayer = outlayerDefinition(
window.eventie,
window.docReady,
window.EventEmitter,
window.getSize,
window.matchesSelector,
window.Outlayer.Item
);
}
})( window );
/**
* Rect
* low-level utility class for basic geometry
*/
( function( window ) {
// -------------------------- Packery -------------------------- //
// global namespace
var Packery = window.Packery = function() {};
function rectDefinition() {
// -------------------------- Rect -------------------------- //
function Rect( props ) {
// extend properties from defaults
for ( var prop in Rect.defaults ) {
this[ prop ] = Rect.defaults[ prop ];
}
for ( prop in props ) {
this[ prop ] = props[ prop ];
}
}
// make available
Packery.Rect = Rect;
Rect.defaults = {
x: 0,
y: 0,
width: 0,
height: 0
};
/**
* Determines whether or not this rectangle wholly encloses another rectangle or point.
* @param {Rect} rect
* @returns {Boolean}
**/
Rect.prototype.contains = function( rect ) {
// points don't have width or height
var otherWidth = rect.width || 0;
var otherHeight = rect.height || 0;
return this.x <= rect.x &&
this.y <= rect.y &&
this.x + this.width >= rect.x + otherWidth &&
this.y + this.height >= rect.y + otherHeight;
};
/**
* Determines whether or not the rectangle intersects with another.
* @param {Rect} rect
* @returns {Boolean}
**/
Rect.prototype.overlaps = function( rect ) {
var thisRight = this.x + this.width;
var thisBottom = this.y + this.height;
var rectRight = rect.x + rect.width;
var rectBottom = rect.y + rect.height;
// http://stackoverflow.com/a/306332
return this.x < rectRight &&
thisRight > rect.x &&
this.y < rectBottom &&
thisBottom > rect.y;
};
/**
* @param {Rect} rect - the overlapping rect
* @returns {Array} freeRects - rects representing the area around the rect
**/
Rect.prototype.getMaximalFreeRects = function( rect ) {
// if no intersection, return false
if ( !this.overlaps( rect ) ) {
return false;
}
var freeRects = [];
var freeRect;
var thisRight = this.x + this.width;
var thisBottom = this.y + this.height;
var rectRight = rect.x + rect.width;
var rectBottom = rect.y + rect.height;
// top
if ( this.y < rect.y ) {
freeRect = new Rect({
x: this.x,
y: this.y,
width: this.width,
height: rect.y - this.y
});
freeRects.push( freeRect );
}
// right
if ( thisRight > rectRight ) {
freeRect = new Rect({
x: rectRight,
y: this.y,
width: thisRight - rectRight,
height: this.height
});
freeRects.push( freeRect );
}
// bottom
if ( thisBottom > rectBottom ) {
freeRect = new Rect({
x: this.x,
y: rectBottom,
width: this.width,
height: thisBottom - rectBottom
});
freeRects.push( freeRect );
}
// left
if ( this.x < rect.x ) {
freeRect = new Rect({
x: this.x,
y: this.y,
width: rect.x - this.x,
height: this.height
});
freeRects.push( freeRect );
}
return freeRects;
};
Rect.prototype.canFit = function( rect ) {
return this.width >= rect.width && this.height >= rect.height;
};
return Rect;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'packery/js/rect',rectDefinition );
} else if ( typeof exports === 'object' ) {
// CommonJS
module.exports = rectDefinition();
} else {
// browser global
window.Packery = window.Packery || {};
window.Packery.Rect = rectDefinition();
}
})( window );
/**
* Packer
* bin-packing algorithm
*/
( function( window ) {
// -------------------------- Packer -------------------------- //
function packerDefinition( Rect ) {
/**
* @param {Number} width
* @param {Number} height
* @param {String} sortDirection
* topLeft for vertical, leftTop for horizontal
*/
function Packer( width, height, sortDirection ) {
this.width = width || 0;
this.height = height || 0;
this.sortDirection = sortDirection || 'downwardLeftToRight';
this.reset();
}
Packer.prototype.reset = function() {
this.spaces = [];
this.newSpaces = [];
var initialSpace = new Rect({
x: 0,
y: 0,
width: this.width,
height: this.height
});
this.spaces.push( initialSpace );
// set sorter
this.sorter = sorters[ this.sortDirection ] || sorters.downwardLeftToRight;
};
// change x and y of rect to fit with in Packer's available spaces
Packer.prototype.pack = function( rect ) {
for ( var i=0, len = this.spaces.length; i < len; i++ ) {
var space = this.spaces[i];
if ( space.canFit( rect ) ) {
this.placeInSpace( rect, space );
break;
}
}
};
Packer.prototype.placeInSpace = function( rect, space ) {
// place rect in space
rect.x = space.x;
rect.y = space.y;
this.placed( rect );
};
// update spaces with placed rect
Packer.prototype.placed = function( rect ) {
// update spaces
var revisedSpaces = [];
for ( var i=0, len = this.spaces.length; i < len; i++ ) {
var space = this.spaces[i];
var newSpaces = space.getMaximalFreeRects( rect );
// add either the original space or the new spaces to the revised spaces
if ( newSpaces ) {
revisedSpaces.push.apply( revisedSpaces, newSpaces );
} else {
revisedSpaces.push( space );
}
}
this.spaces = revisedSpaces;
this.mergeSortSpaces();
};
Packer.prototype.mergeSortSpaces = function() {
// remove redundant spaces
Packer.mergeRects( this.spaces );
this.spaces.sort( this.sorter );
};
// add a space back
Packer.prototype.addSpace = function( rect ) {
this.spaces.push( rect );
this.mergeSortSpaces();
};
// -------------------------- utility functions -------------------------- //
/**
* Remove redundant rectangle from array of rectangles
* @param {Array} rects: an array of Rects
* @returns {Array} rects: an array of Rects
**/
Packer.mergeRects = function( rects ) {
for ( var i=0, len = rects.length; i < len; i++ ) {
var rect = rects[i];
// skip over this rect if it was already removed
if ( !rect ) {
continue;
}
// clone rects we're testing, remove this rect
var compareRects = rects.slice(0);
// do not compare with self
compareRects.splice( i, 1 );
// compare this rect with others
var removedCount = 0;
for ( var j=0, jLen = compareRects.length; j < jLen; j++ ) {
var compareRect = compareRects[j];
// if this rect contains another,
// remove that rect from test collection
var indexAdjust = i > j ? 0 : 1;
if ( rect.contains( compareRect ) ) {
// console.log( 'current test rects:' + testRects.length, testRects );
// console.log( i, j, indexAdjust, rect, compareRect );
rects.splice( j + indexAdjust - removedCount, 1 );
removedCount++;
}
}
}
return rects;
};
// -------------------------- sorters -------------------------- //
// functions for sorting rects in order
var sorters = {
// top down, then left to right
downwardLeftToRight: function( a, b ) {
return a.y - b.y || a.x - b.x;
},
// left to right, then top down
rightwardTopToBottom: function( a, b ) {
return a.x - b.x || a.y - b.y;
}
};
// -------------------------- -------------------------- //
return Packer;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'packery/js/packer',[ './rect' ], packerDefinition );
} else if ( typeof exports === 'object' ) {
// CommonJS
module.exports = packerDefinition(
require('./rect')
);
} else {
// browser global
var Packery = window.Packery = window.Packery || {};
Packery.Packer = packerDefinition( Packery.Rect );
}
})( window );
/**
* Packery Item Element
**/
( function( window ) {
// -------------------------- Item -------------------------- //
function itemDefinition( getStyleProperty, Outlayer, Rect ) {
var transformProperty = getStyleProperty('transform');
// sub-class Item
var Item = function PackeryItem() {
Outlayer.Item.apply( this, arguments );
};
Item.prototype = new Outlayer.Item();
var protoCreate = Item.prototype._create;
Item.prototype._create = function() {
// call default _create logic
protoCreate.call( this );
this.rect = new Rect();
// rect used for placing, in drag or Packery.fit()
this.placeRect = new Rect();
};
// -------------------------- drag -------------------------- //
Item.prototype.dragStart = function() {
this.getPosition();
this.removeTransitionStyles();
// remove transform property from transition
if ( this.isTransitioning && transformProperty ) {
this.element.style[ transformProperty ] = 'none';
}
this.getSize();
// create place rect, used for position when dragged then dropped
// or when positioning
this.isPlacing = true;
this.needsPositioning = false;
this.positionPlaceRect( this.position.x, this.position.y );
this.isTransitioning = false;
this.didDrag = false;
};
/**
* handle item when it is dragged
* @param {Number} x - horizontal position of dragged item
* @param {Number} y - vertical position of dragged item
*/
Item.prototype.dragMove = function( x, y ) {
this.didDrag = true;
var packerySize = this.layout.size;
x -= packerySize.paddingLeft;
y -= packerySize.paddingTop;
this.positionPlaceRect( x, y );
};
Item.prototype.dragStop = function() {
this.getPosition();
var isDiffX = this.position.x !== this.placeRect.x;
var isDiffY = this.position.y !== this.placeRect.y;
// set post-drag positioning flag
this.needsPositioning = isDiffX || isDiffY;
// reset flag
this.didDrag = false;
};
// -------------------------- placing -------------------------- //
/**
* position a rect that will occupy space in the packer
* @param {Number} x
* @param {Number} y
* @param {Boolean} isMaxYContained
*/
Item.prototype.positionPlaceRect = function( x, y, isMaxYOpen ) {
this.placeRect.x = this.getPlaceRectCoord( x, true );
this.placeRect.y = this.getPlaceRectCoord( y, false, isMaxYOpen );
};
/**
* get x/y coordinate for place rect
* @param {Number} coord - x or y
* @param {Boolean} isX
* @param {Boolean} isMaxOpen - does not limit value to outer bound
* @returns {Number} coord - processed x or y
*/
Item.prototype.getPlaceRectCoord = function( coord, isX, isMaxOpen ) {
var measure = isX ? 'Width' : 'Height';
var size = this.size[ 'outer' + measure ];
var segment = this.layout[ isX ? 'columnWidth' : 'rowHeight' ];
var parentSize = this.layout.size[ 'inner' + measure ];
// additional parentSize calculations for Y
if ( !isX ) {
parentSize = Math.max( parentSize, this.layout.maxY );
// prevent gutter from bumping up height when non-vertical grid
if ( !this.layout.rowHeight ) {
parentSize -= this.layout.gutter;
}
}
var max;
if ( segment ) {
segment += this.layout.gutter;
// allow for last column to reach the edge
parentSize += isX ? this.layout.gutter : 0;
// snap to closest segment
coord = Math.round( coord / segment );
// contain to outer bound
// contain non-growing bound, allow growing bound to grow
var mathMethod;
if ( this.layout.options.isHorizontal ) {
mathMethod = !isX ? 'floor' : 'ceil';
} else {
mathMethod = isX ? 'floor' : 'ceil';
}
var maxSegments = Math[ mathMethod ]( parentSize / segment );
maxSegments -= Math.ceil( size / segment );
max = maxSegments;
} else {
max = parentSize - size;
}
coord = isMaxOpen ? coord : Math.min( coord, max );
coord *= segment || 1;
return Math.max( 0, coord );
};
Item.prototype.copyPlaceRectPosition = function() {
this.rect.x = this.placeRect.x;
this.rect.y = this.placeRect.y;
};
// ----- ----- //
// remove element from DOM
Item.prototype.removeElem = function() {
this.element.parentNode.removeChild( this.element );
// add space back to packer
this.layout.packer.addSpace( this.rect );
this.emitEvent( 'remove', [ this ] );
};
// ----- ----- //
return Item;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( 'packery/js/item',[
'get-style-property/get-style-property',
'outlayer/outlayer',
'./rect'
],
itemDefinition );
} else if ( typeof exports === 'object' ) {
// CommonJS
module.exports = itemDefinition(
require('desandro-get-style-property'),
require('outlayer'),
require('./rect')
);
} else {
// browser global
window.Packery.Item = itemDefinition(
window.getStyleProperty,
window.Outlayer,
window.Packery.Rect
);
}
})( window );
/*!
* Packery v1.3.2
* bin-packing layout library
* http://packery.metafizzy.co
*
* Commercial use requires one-time purchase of a commercial license
* http://packery.metafizzy.co/license.html
*
* Non-commercial use is licensed under the GPL v3 License
*
* Copyright 2015 Metafizzy
*/
( function( window ) {
// used for AMD definition and requires
function packeryDefinition( classie, getSize, Outlayer, Rect, Packer, Item ) {
// ----- Rect ----- //
// allow for pixel rounding errors IE8-IE11 & Firefox; #227
Rect.prototype.canFit = function( rect ) {
return this.width >= rect.width - 1 && this.height >= rect.height - 1;
};
// -------------------------- Packery -------------------------- //
// create an Outlayer layout class
var Packery = Outlayer.create('packery');
Packery.Item = Item;
Packery.prototype._create = function() {
// call super
Outlayer.prototype._create.call( this );
// initial properties
this.packer = new Packer();
// Left over from v1.0
this.stamp( this.options.stamped );
// create drag handlers
var _this = this;
this.handleDraggabilly = {
dragStart: function( draggie ) {
_this.itemDragStart( draggie.element );
},
dragMove: function( draggie ) {
_this.itemDragMove( draggie.element, draggie.position.x, draggie.position.y );
},
dragEnd: function( draggie ) {
_this.itemDragEnd( draggie.element );
}
};
this.handleUIDraggable = {
start: function handleUIDraggableStart( event ) {
_this.itemDragStart( event.currentTarget );
},
drag: function handleUIDraggableDrag( event, ui ) {
_this.itemDragMove( event.currentTarget, ui.position.left, ui.position.top );
},
stop: function handleUIDraggableStop( event ) {
_this.itemDragEnd( event.currentTarget );
}
};
};
// ----- init & layout ----- //
/**
* logic before any new layout
*/
Packery.prototype._resetLayout = function() {
this.getSize();
this._getMeasurements();
// reset packer
var packer = this.packer;
// packer settings, if horizontal or vertical
if ( this.options.isHorizontal ) {
packer.width = Number.POSITIVE_INFINITY;
packer.height = this.size.innerHeight + this.gutter;
packer.sortDirection = 'rightwardTopToBottom';
} else {
packer.width = this.size.innerWidth + this.gutter;
packer.height = Number.POSITIVE_INFINITY;
packer.sortDirection = 'downwardLeftToRight';
}
packer.reset();
// layout
this.maxY = 0;
this.maxX = 0;
};
/**
* update columnWidth, rowHeight, & gutter
* @private
*/
Packery.prototype._getMeasurements = function() {
this._getMeasurement( 'columnWidth', 'width' );
this._getMeasurement( 'rowHeight', 'height' );
this._getMeasurement( 'gutter', 'width' );
};
Packery.prototype._getItemLayoutPosition = function( item ) {
this._packItem( item );
return item.rect;
};
/**
* layout item in packer
* @param {Packery.Item} item
*/
Packery.prototype._packItem = function( item ) {
this._setRectSize( item.element, item.rect );
// pack the rect in the packer
this.packer.pack( item.rect );
this._setMaxXY( item.rect );
};
/**
* set max X and Y value, for size of container
* @param {Packery.Rect} rect
* @private
*/
Packery.prototype._setMaxXY = function( rect ) {
this.maxX = Math.max( rect.x + rect.width, this.maxX );
this.maxY = Math.max( rect.y + rect.height, this.maxY );
};
/**
* set the width and height of a rect, applying columnWidth and rowHeight
* @param {Element} elem
* @param {Packery.Rect} rect
*/
Packery.prototype._setRectSize = function( elem, rect ) {
var size = getSize( elem );
var w = size.outerWidth;
var h = size.outerHeight;
// size for columnWidth and rowHeight, if available
// only check if size is non-zero, #177
if ( w || h ) {
w = this._applyGridGutter( w, this.columnWidth );
h = this._applyGridGutter( h, this.rowHeight );
}
// rect must fit in packer
rect.width = Math.min( w, this.packer.width );
rect.height = Math.min( h, this.packer.height );
};
/**
* fits item to columnWidth/rowHeight and adds gutter
* @param {Number} measurement - item width or height
* @param {Number} gridSize - columnWidth or rowHeight
* @returns measurement
*/
Packery.prototype._applyGridGutter = function( measurement, gridSize ) {
// just add gutter if no gridSize
if ( !gridSize ) {
return measurement + this.gutter;
}
gridSize += this.gutter;
// fit item to columnWidth/rowHeight
var remainder = measurement % gridSize;
var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
measurement = Math[ mathMethod ]( measurement / gridSize ) * gridSize;
return measurement;
};
Packery.prototype._getContainerSize = function() {
if ( this.options.isHorizontal ) {
return {
width: this.maxX - this.gutter
};
} else {
return {
height: this.maxY - this.gutter
};
}
};
// -------------------------- stamp -------------------------- //
/**
* makes space for element
* @param {Element} elem
*/
Packery.prototype._manageStamp = function( elem ) {
var item = this.getItem( elem );
var rect;
if ( item && item.isPlacing ) {
rect = item.placeRect;
} else {
var offset = this._getElementOffset( elem );
rect = new Rect({
x: this.options.isOriginLeft ? offset.left : offset.right,
y: this.options.isOriginTop ? offset.top : offset.bottom
});
}
this._setRectSize( elem, rect );
// save its space in the packer
this.packer.placed( rect );
this._setMaxXY( rect );
};
// -------------------------- methods -------------------------- //
function verticalSorter( a, b ) {
return a.position.y - b.position.y || a.position.x - b.position.x;
}
function horizontalSorter( a, b ) {
return a.position.x - b.position.x || a.position.y - b.position.y;
}
Packery.prototype.sortItemsByPosition = function() {
var sorter = this.options.isHorizontal ? horizontalSorter : verticalSorter;
this.items.sort( sorter );
};
/**
* Fit item element in its current position
* Packery will position elements around it
* useful for expanding elements
*
* @param {Element} elem
* @param {Number} x - horizontal destination position, optional
* @param {Number} y - vertical destination position, optional
*/
Packery.prototype.fit = function( elem, x, y ) {
var item = this.getItem( elem );
if ( !item ) {
return;
}
// prepare internal properties
this._getMeasurements();
// stamp item to get it out of layout
this.stamp( item.element );
// required for positionPlaceRect
item.getSize();
// set placing flag
item.isPlacing = true;
// fall back to current position for fitting
x = x === undefined ? item.rect.x: x;
y = y === undefined ? item.rect.y: y;
// position it best at its destination
item.positionPlaceRect( x, y, true );
this._bindFitEvents( item );
item.moveTo( item.placeRect.x, item.placeRect.y );
// layout everything else
this.layout();
// return back to regularly scheduled programming
this.unstamp( item.element );
this.sortItemsByPosition();
// un set placing flag, back to normal
item.isPlacing = false;
// copy place rect position
item.copyPlaceRectPosition();
};
/**
* emit event when item is fit and other items are laid out
* @param {Packery.Item} item
* @private
*/
Packery.prototype._bindFitEvents = function( item ) {
var _this = this;
var ticks = 0;
function tick() {
ticks++;
if ( ticks !== 2 ) {
return;
}
_this.emitEvent( 'fitComplete', [ _this, item ] );
}
// when item is laid out
item.on( 'layout', function() {
tick();
return true;
});
// when all items are laid out
this.on( 'layoutComplete', function() {
tick();
return true;
});
};
// -------------------------- resize -------------------------- //
// debounced, layout on resize
Packery.prototype.resize = function() {
// don't trigger if size did not change
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;
var innerSize = this.options.isHorizontal ? 'innerHeight' : 'innerWidth';
if ( hasSizes && size[ innerSize ] === this.size[ innerSize ] ) {
return;
}
this.layout();
};
// -------------------------- drag -------------------------- //
/**
* handle an item drag start event
* @param {Element} elem
*/
Packery.prototype.itemDragStart = function( elem ) {
this.stamp( elem );
var item = this.getItem( elem );
if ( item ) {
item.dragStart();
}
};
/**
* handle an item drag move event
* @param {Element} elem
* @param {Number} x - horizontal change in position
* @param {Number} y - vertical change in position
*/
Packery.prototype.itemDragMove = function( elem, x, y ) {
var item = this.getItem( elem );
if ( item ) {
item.dragMove( x, y );
}
// debounce
var _this = this;
// debounce triggering layout
function delayed() {
_this.layout();
delete _this.dragTimeout;
}
this.clearDragTimeout();
this.dragTimeout = setTimeout( delayed, 40 );
};
Packery.prototype.clearDragTimeout = function() {
if ( this.dragTimeout ) {
clearTimeout( this.dragTimeout );
}
};
/**
* handle an item drag end event
* @param {Element} elem
*/
Packery.prototype.itemDragEnd = function( elem ) {
var item = this.getItem( elem );
var itemDidDrag;
if ( item ) {
itemDidDrag = item.didDrag;
item.dragStop();
}
// if elem didn't move, or if it doesn't need positioning
// unignore and unstamp and call it a day
if ( !item || ( !itemDidDrag && !item.needsPositioning ) ) {
this.unstamp( elem );
return;
}
// procced with dragged item
classie.add( item.element, 'is-positioning-post-drag' );
// save this var, as it could get reset in dragStart
var onLayoutComplete = this._getDragEndLayoutComplete( elem, item );
if ( item.needsPositioning ) {
item.on( 'layout', onLayoutComplete );
item.moveTo( item.placeRect.x, item.placeRect.y );
} else if ( item ) {
// item didn't need placement
item.copyPlaceRectPosition();
}
this.clearDragTimeout();
this.on( 'layoutComplete', onLayoutComplete );
this.layout();
};
/**
* get drag end callback
* @param {Element} elem
* @param {Packery.Item} item
* @returns {Function} onLayoutComplete
*/
Packery.prototype._getDragEndLayoutComplete = function( elem, item ) {
var itemNeedsPositioning = item && item.needsPositioning;
var completeCount = 0;
var asyncCount = itemNeedsPositioning ? 2 : 1;
var _this = this;
return function onLayoutComplete() {
completeCount++;
// don't proceed if not complete
if ( completeCount !== asyncCount ) {
return true;
}
// reset item
if ( item ) {
classie.remove( item.element, 'is-positioning-post-drag' );
item.isPlacing = false;
item.copyPlaceRectPosition();
}
_this.unstamp( elem );
// only sort when item moved
_this.sortItemsByPosition();
// emit item drag event now that everything is done
if ( itemNeedsPositioning ) {
_this.emitEvent( 'dragItemPositioned', [ _this, item ] );
}
// listen once
return true;
};
};
/**
* binds Draggabilly events
* @param {Draggabilly} draggie
*/
Packery.prototype.bindDraggabillyEvents = function( draggie ) {
draggie.on( 'dragStart', this.handleDraggabilly.dragStart );
draggie.on( 'dragMove', this.handleDraggabilly.dragMove );
draggie.on( 'dragEnd', this.handleDraggabilly.dragEnd );
};
/**
* binds jQuery UI Draggable events
* @param {jQuery} $elems
*/
Packery.prototype.bindUIDraggableEvents = function( $elems ) {
$elems
.on( 'dragstart', this.handleUIDraggable.start )
.on( 'drag', this.handleUIDraggable.drag )
.on( 'dragstop', this.handleUIDraggable.stop );
};
Packery.Rect = Rect;
Packery.Packer = Packer;
return Packery;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( [
'classie/classie',
'get-size/get-size',
'outlayer/outlayer',
'packery/js/rect',
'packery/js/packer',
'packery/js/item'
],
packeryDefinition );
} else if ( typeof exports === 'object' ) {
// CommonJS
module.exports = packeryDefinition(
require('desandro-classie'),
require('get-size'),
require('outlayer'),
require('./rect'),
require('./packer'),
require('./item')
);
} else {
// browser global
window.Packery = packeryDefinition(
window.classie,
window.getSize,
window.Outlayer,
window.Packery.Rect,
window.Packery.Packer,
window.Packery.Item
);
}
})( window );