META-INF.resources.bower_components.masonry.dist.masonry.pkgd.js Maven / Gradle / Ivy
/*!
* Masonry PACKAGED v4.2.0
* Cascading grid layout library
* http://masonry.desandro.com
* MIT License
* by David DeSandro
*/
/**
* Bridget makes jQuery widgets
* v2.0.1
* MIT license
*/
/* jshint browser: true, strict: true, undef: true, unused: true */
( function (window, factory) {
// universal module definition
/*jshint strict: false */
/* globals define, module, require */
if (typeof define == 'function' && define.amd) {
// AMD
define('jquery-bridget/jquery-bridget', ['jquery'], function (jQuery) {
return factory(window, jQuery);
});
} else if (typeof module == 'object' && module.exports) {
// CommonJS
module.exports = factory(
window,
require('jquery')
);
} else {
// browser global
window.jQueryBridget = factory(
window,
window.jQuery
);
}
}(window, function factory(window, jQuery) {
'use strict';
// ----- utils ----- //
var arraySlice = Array.prototype.slice;
// helper function for logging errors
// $.error breaks jQuery chaining
var console = window.console;
var logError = typeof console == 'undefined' ? function () {
} :
function (message) {
console.error(message);
};
// ----- jQueryBridget ----- //
function jQueryBridget(namespace, PluginClass, $) {
$ = $ || jQuery || window.jQuery;
if (!$) {
return;
}
// add option method -> $().plugin('option', {...})
if (!PluginClass.prototype.option) {
// option setter
PluginClass.prototype.option = function (opts) {
// bail out if not an object
if (!$.isPlainObject(opts)) {
return;
}
this.options = $.extend(true, this.options, opts);
};
}
// make jQuery plugin
$.fn[namespace] = function (arg0 /*, arg1 */) {
if (typeof arg0 == 'string') {
// method call $().plugin( 'methodName', { options } )
// shift arguments by 1
var args = arraySlice.call(arguments, 1);
return methodCall(this, arg0, args);
}
// just $().plugin({ options })
plainCall(this, arg0);
return this;
};
// $().plugin('methodName')
function methodCall($elems, methodName, args) {
var returnValue;
var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';
$elems.each(function (i, elem) {
// get instance
var instance = $.data(elem, namespace);
if (!instance) {
logError(namespace + ' not initialized. Cannot call methods, i.e. ' +
pluginMethodStr);
return;
}
var method = instance[methodName];
if (!method || methodName.charAt(0) == '_') {
logError(pluginMethodStr + ' is not a valid method');
return;
}
// apply method, get return value
var value = method.apply(instance, args);
// set return value if value is returned, use only first value
returnValue = returnValue === undefined ? value : returnValue;
});
return returnValue !== undefined ? returnValue : $elems;
}
function plainCall($elems, options) {
$elems.each(function (i, elem) {
var instance = $.data(elem, namespace);
if (instance) {
// set options & init
instance.option(options);
instance._init();
} else {
// initialize new instance
instance = new PluginClass(elem, options);
$.data(elem, namespace, instance);
}
});
}
updateJQuery($);
}
// ----- updateJQuery ----- //
// set $.bridget for v1 backwards compatibility
function updateJQuery($) {
if (!$ || ( $ && $.bridget )) {
return;
}
$.bridget = jQueryBridget;
}
updateJQuery(jQuery || window.jQuery);
// ----- ----- //
return jQueryBridget;
}));
/**
* EvEmitter v1.0.3
* Lil' event emitter
* MIT License
*/
/* jshint unused: true, undef: true, strict: true */
( function (global, factory) {
// universal module definition
/* jshint strict: false */
/* globals define, module, window */
if (typeof define == 'function' && define.amd) {
// AMD - RequireJS
define('ev-emitter/ev-emitter', factory);
} else if (typeof module == 'object' && module.exports) {
// CommonJS - Browserify, Webpack
module.exports = factory();
} else {
// Browser globals
global.EvEmitter = factory();
}
}(typeof window != 'undefined' ? window : this, function () {
function EvEmitter() {
}
var proto = EvEmitter.prototype;
proto.on = function (eventName, listener) {
if (!eventName || !listener) {
return;
}
// set events hash
var events = this._events = this._events || {};
// set listeners array
var listeners = events[eventName] = events[eventName] || [];
// only add once
if (listeners.indexOf(listener) == -1) {
listeners.push(listener);
}
return this;
};
proto.once = function (eventName, listener) {
if (!eventName || !listener) {
return;
}
// add event
this.on(eventName, listener);
// set once flag
// set onceEvents hash
var onceEvents = this._onceEvents = this._onceEvents || {};
// set onceListeners object
var onceListeners = onceEvents[eventName] = onceEvents[eventName] || {};
// set flag
onceListeners[listener] = true;
return this;
};
proto.off = function (eventName, listener) {
var listeners = this._events && this._events[eventName];
if (!listeners || !listeners.length) {
return;
}
var index = listeners.indexOf(listener);
if (index != -1) {
listeners.splice(index, 1);
}
return this;
};
proto.emitEvent = function (eventName, args) {
var listeners = this._events && this._events[eventName];
if (!listeners || !listeners.length) {
return;
}
var i = 0;
var listener = listeners[i];
args = args || [];
// once stuff
var onceListeners = this._onceEvents && this._onceEvents[eventName];
while (listener) {
var isOnce = onceListeners && onceListeners[listener];
if (isOnce) {
// remove listener
// remove before trigger to prevent recursion
this.off(eventName, listener);
// unset once flag
delete onceListeners[listener];
}
// trigger listener
listener.apply(this, args);
// get next listener
i += isOnce ? 0 : 1;
listener = listeners[i];
}
return this;
};
return EvEmitter;
}));
/*!
* getSize v2.0.2
* measure size of elements
* MIT license
*/
/*jshint browser: true, strict: true, undef: true, unused: true */
/*global define: false, module: false, console: false */
(function (window, factory) {
'use strict';
if (typeof define == 'function' && define.amd) {
// AMD
define('get-size/get-size', [], function () {
return factory();
});
} else if (typeof module == 'object' && module.exports) {
// CommonJS
module.exports = factory();
} else {
// browser global
window.getSize = factory();
}
})(window, function factory() {
'use strict';
// -------------------------- helpers -------------------------- //
// get a number from a string, not a percentage
function getStyleSize(value) {
var num = parseFloat(value);
// not a percent like '100%', and a number
var isValid = value.indexOf('%') == -1 && !isNaN(num);
return isValid && num;
}
function noop() {
}
var logError = typeof console == 'undefined' ? noop :
function (message) {
console.error(message);
};
// -------------------------- measurements -------------------------- //
var measurements = [
'paddingLeft',
'paddingRight',
'paddingTop',
'paddingBottom',
'marginLeft',
'marginRight',
'marginTop',
'marginBottom',
'borderLeftWidth',
'borderRightWidth',
'borderTopWidth',
'borderBottomWidth'
];
var measurementsLength = measurements.length;
function getZeroSize() {
var size = {
width: 0,
height: 0,
innerWidth: 0,
innerHeight: 0,
outerWidth: 0,
outerHeight: 0
};
for (var i = 0; i < measurementsLength; i++) {
var measurement = measurements[i];
size[measurement] = 0;
}
return size;
}
// -------------------------- getStyle -------------------------- //
/**
* getStyle, get style of element, check for Firefox bug
* https://bugzilla.mozilla.org/show_bug.cgi?id=548397
*/
function getStyle(elem) {
var style = getComputedStyle(elem);
if (!style) {
logError('Style returned ' + style +
'. Are you running this code in a hidden iframe on Firefox? ' +
'See http://bit.ly/getsizebug1');
}
return style;
}
// -------------------------- setup -------------------------- //
var isSetup = false;
var isBoxSizeOuter;
/**
* setup
* check isBoxSizerOuter
* do on first getSize() rather than on page load for Firefox bug
*/
function setup() {
// setup once
if (isSetup) {
return;
}
isSetup = true;
// -------------------------- box sizing -------------------------- //
/**
* WebKit measures the outer-width on style.width on border-box elems
* IE & Firefox<29 measures the inner-width
*/
var div = document.createElement('div');
div.style.width = '200px';
div.style.padding = '1px 2px 3px 4px';
div.style.borderStyle = 'solid';
div.style.borderWidth = '1px 2px 3px 4px';
div.style.boxSizing = 'border-box';
var body = document.body || document.documentElement;
body.appendChild(div);
var style = getStyle(div);
getSize.isBoxSizeOuter = isBoxSizeOuter = getStyleSize(style.width) == 200;
body.removeChild(div);
}
// -------------------------- getSize -------------------------- //
function getSize(elem) {
setup();
// use querySeletor if elem is string
if (typeof elem == 'string') {
elem = document.querySelector(elem);
}
// do not proceed on non-objects
if (!elem || typeof elem != 'object' || !elem.nodeType) {
return;
}
var style = getStyle(elem);
// if hidden, everything is 0
if (style.display == 'none') {
return getZeroSize();
}
var size = {};
size.width = elem.offsetWidth;
size.height = elem.offsetHeight;
var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';
// get all measurements
for (var i = 0; i < measurementsLength; i++) {
var measurement = measurements[i];
var value = style[measurement];
var num = parseFloat(value);
// any 'auto', 'medium' value will be 0
size[measurement] = !isNaN(num) ? num : 0;
}
var paddingWidth = size.paddingLeft + size.paddingRight;
var paddingHeight = size.paddingTop + size.paddingBottom;
var marginWidth = size.marginLeft + size.marginRight;
var marginHeight = size.marginTop + size.marginBottom;
var borderWidth = size.borderLeftWidth + size.borderRightWidth;
var borderHeight = size.borderTopWidth + size.borderBottomWidth;
var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;
// overwrite width and height if we can get it from style
var styleWidth = getStyleSize(style.width);
if (styleWidth !== false) {
size.width = styleWidth +
// add padding and border unless it's already including it
( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
}
var styleHeight = getStyleSize(style.height);
if (styleHeight !== false) {
size.height = styleHeight +
// add padding and border unless it's already including it
( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight );
}
size.innerWidth = size.width - ( paddingWidth + borderWidth );
size.innerHeight = size.height - ( paddingHeight + borderHeight );
size.outerWidth = size.width + marginWidth;
size.outerHeight = size.height + marginHeight;
return size;
}
return getSize;
});
/**
* matchesSelector v2.0.2
* matchesSelector( element, '.selector' )
* MIT license
*/
/*jshint browser: true, strict: true, undef: true, unused: true */
( function (window, factory) {
/*global define: false, module: false */
'use strict';
// universal module definition
if (typeof define == 'function' && define.amd) {
// AMD
define('desandro-matches-selector/matches-selector', factory);
} else if (typeof module == 'object' && module.exports) {
// CommonJS
module.exports = factory();
} else {
// browser global
window.matchesSelector = factory();
}
}(window, function factory() {
'use strict';
var matchesMethod = (function () {
var ElemProto = window.Element.prototype;
// check for the standard method name first
if (ElemProto.matches) {
return 'matches';
}
// check un-prefixed
if (ElemProto.matchesSelector) {
return 'matchesSelector';
}
// check vendor prefixes
var prefixes = ['webkit', 'moz', 'ms', 'o'];
for (var i = 0; i < prefixes.length; i++) {
var prefix = prefixes[i];
var method = prefix + 'MatchesSelector';
if (ElemProto[method]) {
return method;
}
}
})();
return function matchesSelector(elem, selector) {
return elem[matchesMethod](selector);
};
}));
/**
* Fizzy UI utils v2.0.4
* MIT license
*/
/*jshint browser: true, undef: true, unused: true, strict: true */
( function (window, factory) {
// universal module definition
/*jshint strict: false */
/*globals define, module, require */
if (typeof define == 'function' && define.amd) {
// AMD
define('fizzy-ui-utils/utils', [
'desandro-matches-selector/matches-selector'
], function (matchesSelector) {
return factory(window, matchesSelector);
});
} else if (typeof module == 'object' && module.exports) {
// CommonJS
module.exports = factory(
window,
require('desandro-matches-selector')
);
} else {
// browser global
window.fizzyUIUtils = factory(
window,
window.matchesSelector
);
}
}(window, function factory(window, matchesSelector) {
var utils = {};
// ----- extend ----- //
// extends objects
utils.extend = function (a, b) {
for (var prop in b) {
a[prop] = b[prop];
}
return a;
};
// ----- modulo ----- //
utils.modulo = function (num, div) {
return ( ( num % div ) + div ) % div;
};
// ----- makeArray ----- //
// turn element or nodeList into an array
utils.makeArray = function (obj) {
var ary = [];
if (Array.isArray(obj)) {
// use object if already an array
ary = obj;
} else if (obj && typeof obj == 'object' &&
typeof obj.length == 'number') {
// convert nodeList to array
for (var i = 0; i < obj.length; i++) {
ary.push(obj[i]);
}
} else {
// array of single index
ary.push(obj);
}
return ary;
};
// ----- removeFrom ----- //
utils.removeFrom = function (ary, obj) {
var index = ary.indexOf(obj);
if (index != -1) {
ary.splice(index, 1);
}
};
// ----- getParent ----- //
utils.getParent = function (elem, selector) {
while (elem != document.body) {
elem = elem.parentNode;
if (matchesSelector(elem, selector)) {
return elem;
}
}
};
// ----- getQueryElement ----- //
// use element as selector string
utils.getQueryElement = function (elem) {
if (typeof elem == 'string') {
return document.querySelector(elem);
}
return elem;
};
// ----- handleEvent ----- //
// enable .ontype to trigger from .addEventListener( elem, 'type' )
utils.handleEvent = function (event) {
var method = 'on' + event.type;
if (this[method]) {
this[method](event);
}
};
// ----- filterFindElements ----- //
utils.filterFindElements = function (elems, selector) {
// make array of elems
elems = utils.makeArray(elems);
var ffElems = [];
elems.forEach(function (elem) {
// check that elem is an actual element
if (!( elem instanceof HTMLElement )) {
return;
}
// add elem if no selector
if (!selector) {
ffElems.push(elem);
return;
}
// filter & find items if we have a selector
// filter
if (matchesSelector(elem, selector)) {
ffElems.push(elem);
}
// find children
var childElems = elem.querySelectorAll(selector);
// concat childElems to filterFound array
for (var i = 0; i < childElems.length; i++) {
ffElems.push(childElems[i]);
}
});
return ffElems;
};
// ----- debounceMethod ----- //
utils.debounceMethod = function (_class, methodName, threshold) {
// original method
var method = _class.prototype[methodName];
var timeoutName = methodName + 'Timeout';
_class.prototype[methodName] = function () {
var timeout = this[timeoutName];
if (timeout) {
clearTimeout(timeout);
}
var args = arguments;
var _this = this;
this[timeoutName] = setTimeout(function () {
method.apply(_this, args);
delete _this[timeoutName];
}, threshold || 100);
};
};
// ----- docReady ----- //
utils.docReady = function (callback) {
var readyState = document.readyState;
if (readyState == 'complete' || readyState == 'interactive') {
// do async to allow for other scripts to run. metafizzy/flickity#441
setTimeout(callback);
} else {
document.addEventListener('DOMContentLoaded', callback);
}
};
// ----- htmlInit ----- //
// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
utils.toDashed = function (str) {
return str.replace(/(.)([A-Z])/g, function (match, $1, $2) {
return $1 + '-' + $2;
}).toLowerCase();
};
var console = window.console;
/**
* allow user to initialize classes via [data-namespace] or .js-namespace class
* htmlInit( Widget, 'widgetName' )
* options are parsed from data-namespace-options
*/
utils.htmlInit = function (WidgetClass, namespace) {
utils.docReady(function () {
var dashedNamespace = utils.toDashed(namespace);
var dataAttr = 'data-' + dashedNamespace;
var dataAttrElems = document.querySelectorAll('[' + dataAttr + ']');
var jsDashElems = document.querySelectorAll('.js-' + dashedNamespace);
var elems = utils.makeArray(dataAttrElems)
.concat(utils.makeArray(jsDashElems));
var dataOptionsAttr = dataAttr + '-options';
var jQuery = window.jQuery;
elems.forEach(function (elem) {
var attr = elem.getAttribute(dataAttr) ||
elem.getAttribute(dataOptionsAttr);
var options;
try {
options = attr && JSON.parse(attr);
} catch (error) {
// log error, do not initialize
if (console) {
console.error('Error parsing ' + dataAttr + ' on ' + elem.className +
': ' + error);
}
return;
}
// initialize
var instance = new WidgetClass(elem, options);
// make available via $().data('namespace')
if (jQuery) {
jQuery.data(elem, namespace, instance);
}
});
});
};
// ----- ----- //
return utils;
}));
/**
* Outlayer Item
*/
( function (window, factory) {
// universal module definition
/* jshint strict: false */
/* globals define, module, require */
if (typeof define == 'function' && define.amd) {
// AMD - RequireJS
define('outlayer/item', [
'ev-emitter/ev-emitter',
'get-size/get-size'
],
factory
);
} else if (typeof module == 'object' && module.exports) {
// CommonJS - Browserify, Webpack
module.exports = factory(
require('ev-emitter'),
require('get-size')
);
} else {
// browser global
window.Outlayer = {};
window.Outlayer.Item = factory(
window.EvEmitter,
window.getSize
);
}
}(window, function factory(EvEmitter, getSize) {
'use strict';
// ----- helpers ----- //
function isEmptyObj(obj) {
for (var prop in obj) {
return false;
}
prop = null;
return true;
}
// -------------------------- CSS3 support -------------------------- //
var docElemStyle = document.documentElement.style;
var transitionProperty = typeof docElemStyle.transition == 'string' ?
'transition' : 'WebkitTransition';
var transformProperty = typeof docElemStyle.transform == 'string' ?
'transform' : 'WebkitTransform';
var transitionEndEvent = {
WebkitTransition: 'webkitTransitionEnd',
transition: 'transitionend'
}[transitionProperty];
// cache all vendor properties that could have vendor prefix
var vendorProperties = {
transform: transformProperty,
transition: transitionProperty,
transitionDuration: transitionProperty + 'Duration',
transitionProperty: transitionProperty + 'Property',
transitionDelay: transitionProperty + 'Delay'
};
// -------------------------- Item -------------------------- //
function Item(element, layout) {
if (!element) {
return;
}
this.element = element;
// parent layout class, i.e. Masonry, Isotope, or Packery
this.layout = layout;
this.position = {
x: 0,
y: 0
};
this._create();
}
// inherit EvEmitter
var proto = Item.prototype = Object.create(EvEmitter.prototype);
proto.constructor = Item;
proto._create = function () {
// transition objects
this._transn = {
ingProperties: {},
clean: {},
onEnd: {}
};
this.css({
position: 'absolute'
});
};
// trigger specified handler for event type
proto.handleEvent = function (event) {
var method = 'on' + event.type;
if (this[method]) {
this[method](event);
}
};
proto.getSize = function () {
this.size = getSize(this.element);
};
/**
* apply CSS styles to element
* @param {Object} style
*/
proto.css = function (style) {
var elemStyle = this.element.style;
for (var prop in style) {
// use vendor property if available
var supportedProp = vendorProperties[prop] || prop;
elemStyle[supportedProp] = style[prop];
}
};
// measure position, and sets it
proto.getPosition = function () {
var style = getComputedStyle(this.element);
var isOriginLeft = this.layout._getOption('originLeft');
var isOriginTop = this.layout._getOption('originTop');
var xValue = style[isOriginLeft ? 'left' : 'right'];
var yValue = style[isOriginTop ? 'top' : 'bottom'];
// convert percent to pixels
var layoutSize = this.layout.size;
var x = xValue.indexOf('%') != -1 ?
( parseFloat(xValue) / 100 ) * layoutSize.width : parseInt(xValue, 10);
var y = yValue.indexOf('%') != -1 ?
( parseFloat(yValue) / 100 ) * layoutSize.height : parseInt(yValue, 10);
// clean up 'auto' or other non-integer values
x = isNaN(x) ? 0 : x;
y = isNaN(y) ? 0 : y;
// remove padding from measurement
x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;
this.position.x = x;
this.position.y = y;
};
// set settled position, apply padding
proto.layoutPosition = function () {
var layoutSize = this.layout.size;
var style = {};
var isOriginLeft = this.layout._getOption('originLeft');
var isOriginTop = this.layout._getOption('originTop');
// x
var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
var xProperty = isOriginLeft ? 'left' : 'right';
var xResetProperty = isOriginLeft ? 'right' : 'left';
var x = this.position.x + layoutSize[xPadding];
// set in percentage or pixels
style[xProperty] = this.getXValue(x);
// reset other property
style[xResetProperty] = '';
// y
var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
var yProperty = isOriginTop ? 'top' : 'bottom';
var yResetProperty = isOriginTop ? 'bottom' : 'top';
var y = this.position.y + layoutSize[yPadding];
// set in percentage or pixels
style[yProperty] = this.getYValue(y);
// reset other property
style[yResetProperty] = '';
this.css(style);
this.emitEvent('layout', [this]);
};
proto.getXValue = function (x) {
var isHorizontal = this.layout._getOption('horizontal');
return this.layout.options.percentPosition && !isHorizontal ?
( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
};
proto.getYValue = function (y) {
var isHorizontal = this.layout._getOption('horizontal');
return this.layout.options.percentPosition && isHorizontal ?
( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
};
proto._transitionTo = function (x, y) {
this.getPosition();
// get current x & y from top/left
var curX = this.position.x;
var curY = this.position.y;
var compareX = parseInt(x, 10);
var compareY = parseInt(y, 10);
var didNotMove = compareX === this.position.x && compareY === this.position.y;
// save end position
this.setPosition(x, y);
// if did not move and not transitioning, just go to layout
if (didNotMove && !this.isTransitioning) {
this.layoutPosition();
return;
}
var transX = x - curX;
var transY = y - curY;
var transitionStyle = {};
transitionStyle.transform = this.getTranslate(transX, transY);
this.transition({
to: transitionStyle,
onTransitionEnd: {
transform: this.layoutPosition
},
isCleaning: true
});
};
proto.getTranslate = function (x, y) {
// flip cooridinates if origin on right or bottom
var isOriginLeft = this.layout._getOption('originLeft');
var isOriginTop = this.layout._getOption('originTop');
x = isOriginLeft ? x : -x;
y = isOriginTop ? y : -y;
return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
};
// non transition + transform support
proto.goTo = function (x, y) {
this.setPosition(x, y);
this.layoutPosition();
};
proto.moveTo = proto._transitionTo;
proto.setPosition = function (x, y) {
this.position.x = parseInt(x, 10);
this.position.y = parseInt(y, 10);
};
// ----- transition ----- //
/**
* @param {Object} style - CSS
* @param {Function} onTransitionEnd
*/
// non transition, just trigger callback
proto._nonTransition = function (args) {
this.css(args.to);
if (args.isCleaning) {
this._removeStyles(args.to);
}
for (var prop in args.onTransitionEnd) {
args.onTransitionEnd[prop].call(this);
}
};
/**
* proper transition
* @param {Object} args - arguments
* @param {Object} to - style to transition to
* @param {Object} from - style to start transition from
* @param {Boolean} isCleaning - removes transition styles after transition
* @param {Function} onTransitionEnd - callback
*/
proto.transition = function (args) {
// redirect to nonTransition if no transition duration
if (!parseFloat(this.layout.options.transitionDuration)) {
this._nonTransition(args);
return;
}
var _transition = this._transn;
// keep track of onTransitionEnd callback by css property
for (var prop in args.onTransitionEnd) {
_transition.onEnd[prop] = args.onTransitionEnd[prop];
}
// keep track of properties that are transitioning
for (prop in args.to) {
_transition.ingProperties[prop] = true;
// keep track of properties to clean up when transition is done
if (args.isCleaning) {
_transition.clean[prop] = true;
}
}
// set from styles
if (args.from) {
this.css(args.from);
// force redraw. http://blog.alexmaccaw.com/css-transitions
var h = this.element.offsetHeight;
// hack for JSHint to hush about unused var
h = null;
}
// enable transition
this.enableTransition(args.to);
// set styles that are transitioning
this.css(args.to);
this.isTransitioning = true;
};
// dash before all cap letters, including first for
// WebkitTransform => -webkit-transform
function toDashedAll(str) {
return str.replace(/([A-Z])/g, function ($1) {
return '-' + $1.toLowerCase();
});
}
var transitionProps = 'opacity,' + toDashedAll(transformProperty);
proto.enableTransition = function (/* style */) {
// HACK changing transitionProperty during a transition
// will cause transition to jump
if (this.isTransitioning) {
return;
}
// make `transition: foo, bar, baz` from style object
// HACK un-comment this when enableTransition can work
// while a transition is happening
// var transitionValues = [];
// for ( var prop in style ) {
// // dash-ify camelCased properties like WebkitTransition
// prop = vendorProperties[ prop ] || prop;
// transitionValues.push( toDashedAll( prop ) );
// }
// munge number to millisecond, to match stagger
var duration = this.layout.options.transitionDuration;
duration = typeof duration == 'number' ? duration + 'ms' : duration;
// enable transition styles
this.css({
transitionProperty: transitionProps,
transitionDuration: duration,
transitionDelay: this.staggerDelay || 0
});
// listen for transition end event
this.element.addEventListener(transitionEndEvent, this, false);
};
// ----- events ----- //
proto.onwebkitTransitionEnd = function (event) {
this.ontransitionend(event);
};
proto.onotransitionend = function (event) {
this.ontransitionend(event);
};
// properties that I munge to make my life easier
var dashedVendorProperties = {
'-webkit-transform': 'transform'
};
proto.ontransitionend = function (event) {
// disregard bubbled events from children
if (event.target !== this.element) {
return;
}
var _transition = this._transn;
// get property name of transitioned property, convert to prefix-free
var propertyName = dashedVendorProperties[event.propertyName] || event.propertyName;
// remove property that has completed transitioning
delete _transition.ingProperties[propertyName];
// check if any properties are still transitioning
if (isEmptyObj(_transition.ingProperties)) {
// all properties have completed transitioning
this.disableTransition();
}
// clean style
if (propertyName in _transition.clean) {
// clean up style
this.element.style[event.propertyName] = '';
delete _transition.clean[propertyName];
}
// trigger onTransitionEnd callback
if (propertyName in _transition.onEnd) {
var onTransitionEnd = _transition.onEnd[propertyName];
onTransitionEnd.call(this);
delete _transition.onEnd[propertyName];
}
this.emitEvent('transitionEnd', [this]);
};
proto.disableTransition = function () {
this.removeTransitionStyles();
this.element.removeEventListener(transitionEndEvent, this, false);
this.isTransitioning = false;
};
/**
* removes style property from element
* @param {Object} style
**/
proto._removeStyles = function (style) {
// clean up transition styles
var cleanStyle = {};
for (var prop in style) {
cleanStyle[prop] = '';
}
this.css(cleanStyle);
};
var cleanTransitionStyle = {
transitionProperty: '',
transitionDuration: '',
transitionDelay: ''
};
proto.removeTransitionStyles = function () {
// remove transition
this.css(cleanTransitionStyle);
};
// ----- stagger ----- //
proto.stagger = function (delay) {
delay = isNaN(delay) ? 0 : delay;
this.staggerDelay = delay + 'ms';
};
// ----- show/hide/remove ----- //
// remove element from DOM
proto.removeElem = function () {
this.element.parentNode.removeChild(this.element);
// remove display: none
this.css({display: ''});
this.emitEvent('remove', [this]);
};
proto.remove = function () {
// just remove element if no transition support or no transition
if (!transitionProperty || !parseFloat(this.layout.options.transitionDuration)) {
this.removeElem();
return;
}
// start transition
this.once('transitionEnd', function () {
this.removeElem();
});
this.hide();
};
proto.reveal = function () {
delete this.isHidden;
// remove display: none
this.css({display: ''});
var options = this.layout.options;
var onTransitionEnd = {};
var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
onTransitionEnd[transitionEndProperty] = this.onRevealTransitionEnd;
this.transition({
from: options.hiddenStyle,
to: options.visibleStyle,
isCleaning: true,
onTransitionEnd: onTransitionEnd
});
};
proto.onRevealTransitionEnd = function () {
// check if still visible
// during transition, item may have been hidden
if (!this.isHidden) {
this.emitEvent('reveal');
}
};
/**
* get style property use for hide/reveal transition end
* @param {String} styleProperty - hiddenStyle/visibleStyle
* @returns {String}
*/
proto.getHideRevealTransitionEndProperty = function (styleProperty) {
var optionStyle = this.layout.options[styleProperty];
// use opacity
if (optionStyle.opacity) {
return 'opacity';
}
// get first property
for (var prop in optionStyle) {
return prop;
}
};
proto.hide = function () {
// set flag
this.isHidden = true;
// remove display: none
this.css({display: ''});
var options = this.layout.options;
var onTransitionEnd = {};
var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
onTransitionEnd[transitionEndProperty] = this.onHideTransitionEnd;
this.transition({
from: options.visibleStyle,
to: options.hiddenStyle,
// keep hidden stuff hidden
isCleaning: true,
onTransitionEnd: onTransitionEnd
});
};
proto.onHideTransitionEnd = function () {
// check if still hidden
// during transition, item may have been un-hidden
if (this.isHidden) {
this.css({display: 'none'});
this.emitEvent('hide');
}
};
proto.destroy = function () {
this.css({
position: '',
left: '',
right: '',
top: '',
bottom: '',
transition: '',
transform: ''
});
};
return Item;
}));
/*!
* Outlayer v2.1.0
* the brains and guts of a layout library
* MIT license
*/
( function (window, factory) {
'use strict';
// universal module definition
/* jshint strict: false */
/* globals define, module, require */
if (typeof define == 'function' && define.amd) {
// AMD - RequireJS
define('outlayer/outlayer', [
'ev-emitter/ev-emitter',
'get-size/get-size',
'fizzy-ui-utils/utils',
'./item'
],
function (EvEmitter, getSize, utils, Item) {
return factory(window, EvEmitter, getSize, utils, Item);
}
);
} else if (typeof module == 'object' && module.exports) {
// CommonJS - Browserify, Webpack
module.exports = factory(
window,
require('ev-emitter'),
require('get-size'),
require('fizzy-ui-utils'),
require('./item')
);
} else {
// browser global
window.Outlayer = factory(
window,
window.EvEmitter,
window.getSize,
window.fizzyUIUtils,
window.Outlayer.Item
);
}
}(window, function factory(window, EvEmitter, getSize, utils, Item) {
'use strict';
// ----- vars ----- //
var console = window.console;
var jQuery = window.jQuery;
var noop = function () {
};
// -------------------------- Outlayer -------------------------- //
// globally unique identifiers
var GUID = 0;
// internal store of all Outlayer intances
var instances = {};
/**
* @param {Element, String} element
* @param {Object} options
* @constructor
*/
function Outlayer(element, options) {
var queryElement = utils.getQueryElement(element);
if (!queryElement) {
if (console) {
console.error('Bad element for ' + this.constructor.namespace +
': ' + ( queryElement || element ));
}
return;
}
this.element = queryElement;
// add jQuery
if (jQuery) {
this.$element = jQuery(this.element);
}
// options
this.options = utils.extend({}, this.constructor.defaults);
this.option(options);
// add id for Outlayer.getFromElement
var id = ++GUID;
this.element.outlayerGUID = id; // expando
instances[id] = this; // associate via id
// kick it off
this._create();
var isInitLayout = this._getOption('initLayout');
if (isInitLayout) {
this.layout();
}
}
// settings are for internal use only
Outlayer.namespace = 'outlayer';
Outlayer.Item = Item;
// default options
Outlayer.defaults = {
containerStyle: {
position: 'relative'
},
initLayout: true,
originLeft: true,
originTop: true,
resize: true,
resizeContainer: true,
// item options
transitionDuration: '0.4s',
hiddenStyle: {
opacity: 0,
transform: 'scale(0.001)'
},
visibleStyle: {
opacity: 1,
transform: 'scale(1)'
}
};
var proto = Outlayer.prototype;
// inherit EvEmitter
utils.extend(proto, EvEmitter.prototype);
/**
* set options
* @param {Object} opts
*/
proto.option = function (opts) {
utils.extend(this.options, opts);
};
/**
* get backwards compatible option value, check old name
*/
proto._getOption = function (option) {
var oldOption = this.constructor.compatOptions[option];
return oldOption && this.options[oldOption] !== undefined ?
this.options[oldOption] : this.options[option];
};
Outlayer.compatOptions = {
// currentName: oldName
initLayout: 'isInitLayout',
horizontal: 'isHorizontal',
layoutInstant: 'isLayoutInstant',
originLeft: 'isOriginLeft',
originTop: 'isOriginTop',
resize: 'isResizeBound',
resizeContainer: 'isResizingContainer'
};
proto._create = function () {
// get items from children
this.reloadItems();
// elements that affect layout, but are not laid out
this.stamps = [];
this.stamp(this.options.stamp);
// set container style
utils.extend(this.element.style, this.options.containerStyle);
// bind resize method
var canBindResize = this._getOption('resize');
if (canBindResize) {
this.bindResize();
}
};
// goes through all children again and gets bricks in proper order
proto.reloadItems = function () {
// collection of item elements
this.items = this._itemize(this.element.children);
};
/**
* turn elements into Outlayer.Items to be used in layout
* @param {Array or NodeList or HTMLElement} elems
* @returns {Array} items - collection of new Outlayer Items
*/
proto._itemize = function (elems) {
var itemElems = this._filterFindItemElements(elems);
var Item = this.constructor.Item;
// create new Outlayer Items for collection
var items = [];
for (var i = 0; i < itemElems.length; i++) {
var elem = itemElems[i];
var item = new Item(elem, this);
items.push(item);
}
return items;
};
/**
* get item elements to be used in layout
* @param {Array or NodeList or HTMLElement} elems
* @returns {Array} items - item elements
*/
proto._filterFindItemElements = function (elems) {
return utils.filterFindElements(elems, this.options.itemSelector);
};
/**
* getter method for getting item elements
* @returns {Array} elems - collection of item elements
*/
proto.getItemElements = function () {
return this.items.map(function (item) {
return item.element;
});
};
// ----- init & layout ----- //
/**
* lays out all items
*/
proto.layout = function () {
this._resetLayout();
this._manageStamps();
// don't animate first layout
var layoutInstant = this._getOption('layoutInstant');
var isInstant = layoutInstant !== undefined ?
layoutInstant : !this._isLayoutInited;
this.layoutItems(this.items, isInstant);
// flag for initalized
this._isLayoutInited = true;
};
// _init is alias for layout
proto._init = proto.layout;
/**
* logic before any new layout
*/
proto._resetLayout = function () {
this.getSize();
};
proto.getSize = function () {
this.size = getSize(this.element);
};
/**
* get measurement from option, for columnWidth, rowHeight, gutter
* if option is String -> get element from selector string, & get size of element
* if option is Element -> get size of element
* else use option as a number
*
* @param {String} measurement
* @param {String} size - width or height
* @private
*/
proto._getMeasurement = function (measurement, size) {
var option = this.options[measurement];
var elem;
if (!option) {
// default to 0
this[measurement] = 0;
} else {
// use option as an element
if (typeof option == 'string') {
elem = this.element.querySelector(option);
} else if (option instanceof HTMLElement) {
elem = option;
}
// use size of element, if element
this[measurement] = elem ? getSize(elem)[size] : option;
}
};
/**
* layout a collection of item elements
* @api public
*/
proto.layoutItems = function (items, isInstant) {
items = this._getItemsForLayout(items);
this._layoutItems(items, isInstant);
this._postLayout();
};
/**
* get the items to be laid out
* you may want to skip over some items
* @param {Array} items
* @returns {Array} items
*/
proto._getItemsForLayout = function (items) {
return items.filter(function (item) {
return !item.isIgnored;
});
};
/**
* layout items
* @param {Array} items
* @param {Boolean} isInstant
*/
proto._layoutItems = function (items, isInstant) {
this._emitCompleteOnItems('layout', items);
if (!items || !items.length) {
// no items, emit event with empty array
return;
}
var queue = [];
items.forEach(function (item) {
// get x/y object from method
var position = this._getItemLayoutPosition(item);
// enqueue
position.item = item;
position.isInstant = isInstant || item.isLayoutInstant;
queue.push(position);
}, this);
this._processLayoutQueue(queue);
};
/**
* get item layout position
* @param {Outlayer.Item} item
* @returns {Object} x and y position
*/
proto._getItemLayoutPosition = function (/* item */) {
return {
x: 0,
y: 0
};
};
/**
* iterate over array and position each item
* Reason being - separating this logic prevents 'layout invalidation'
* thx @paul_irish
* @param {Array} queue
*/
proto._processLayoutQueue = function (queue) {
this.updateStagger();
queue.forEach(function (obj, i) {
this._positionItem(obj.item, obj.x, obj.y, obj.isInstant, i);
}, this);
};
// set stagger from option in milliseconds number
proto.updateStagger = function () {
var stagger = this.options.stagger;
if (stagger === null || stagger === undefined) {
this.stagger = 0;
return;
}
this.stagger = getMilliseconds(stagger);
return this.stagger;
};
/**
* Sets position of item in DOM
* @param {Outlayer.Item} item
* @param {Number} x - horizontal position
* @param {Number} y - vertical position
* @param {Boolean} isInstant - disables transitions
*/
proto._positionItem = function (item, x, y, isInstant, i) {
if (isInstant) {
// if not transition, just set CSS
item.goTo(x, y);
} else {
item.stagger(i * this.stagger);
item.moveTo(x, y);
}
};
/**
* Any logic you want to do after each layout,
* i.e. size the container
*/
proto._postLayout = function () {
this.resizeContainer();
};
proto.resizeContainer = function () {
var isResizingContainer = this._getOption('resizeContainer');
if (!isResizingContainer) {
return;
}
var size = this._getContainerSize();
if (size) {
this._setContainerMeasure(size.width, true);
this._setContainerMeasure(size.height, false);
}
};
/**
* Sets width or height of container if returned
* @returns {Object} size
* @param {Number} width
* @param {Number} height
*/
proto._getContainerSize = noop;
/**
* @param {Number} measure - size of width or height
* @param {Boolean} isWidth
*/
proto._setContainerMeasure = function (measure, isWidth) {
if (measure === undefined) {
return;
}
var elemSize = this.size;
// add padding and border width if border box
if (elemSize.isBorderBox) {
measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
elemSize.borderLeftWidth + elemSize.borderRightWidth :
elemSize.paddingBottom + elemSize.paddingTop +
elemSize.borderTopWidth + elemSize.borderBottomWidth;
}
measure = Math.max(measure, 0);
this.element.style[isWidth ? 'width' : 'height'] = measure + 'px';
};
/**
* emit eventComplete on a collection of items events
* @param {String} eventName
* @param {Array} items - Outlayer.Items
*/
proto._emitCompleteOnItems = function (eventName, items) {
var _this = this;
function onComplete() {
_this.dispatchEvent(eventName + 'Complete', null, [items]);
}
var count = items.length;
if (!items || !count) {
onComplete();
return;
}
var doneCount = 0;
function tick() {
doneCount++;
if (doneCount == count) {
onComplete();
}
}
// bind callback
items.forEach(function (item) {
item.once(eventName, tick);
});
};
/**
* emits events via EvEmitter and jQuery events
* @param {String} type - name of event
* @param {Event} event - original event
* @param {Array} args - extra arguments
*/
proto.dispatchEvent = function (type, event, args) {
// add original event to arguments
var emitArgs = event ? [event].concat(args) : args;
this.emitEvent(type, emitArgs);
if (jQuery) {
// set this.$element
this.$element = this.$element || jQuery(this.element);
if (event) {
// create jQuery event
var $event = jQuery.Event(event);
$event.type = type;
this.$element.trigger($event, args);
} else {
// just trigger with type if no event available
this.$element.trigger(type, args);
}
}
};
// -------------------------- ignore & stamps -------------------------- //
/**
* keep item in collection, but do not lay it out
* ignored items do not get skipped in layout
* @param {Element} elem
*/
proto.ignore = function (elem) {
var item = this.getItem(elem);
if (item) {
item.isIgnored = true;
}
};
/**
* return item to layout collection
* @param {Element} elem
*/
proto.unignore = function (elem) {
var item = this.getItem(elem);
if (item) {
delete item.isIgnored;
}
};
/**
* adds elements to stamps
* @param {NodeList, Array, Element, or String} elems
*/
proto.stamp = function (elems) {
elems = this._find(elems);
if (!elems) {
return;
}
this.stamps = this.stamps.concat(elems);
// ignore
elems.forEach(this.ignore, this);
};
/**
* removes elements to stamps
* @param {NodeList, Array, or Element} elems
*/
proto.unstamp = function (elems) {
elems = this._find(elems);
if (!elems) {
return;
}
elems.forEach(function (elem) {
// filter out removed stamp elements
utils.removeFrom(this.stamps, elem);
this.unignore(elem);
}, this);
};
/**
* finds child elements
* @param {NodeList, Array, Element, or String} elems
* @returns {Array} elems
*/
proto._find = function (elems) {
if (!elems) {
return;
}
// if string, use argument as selector string
if (typeof elems == 'string') {
elems = this.element.querySelectorAll(elems);
}
elems = utils.makeArray(elems);
return elems;
};
proto._manageStamps = function () {
if (!this.stamps || !this.stamps.length) {
return;
}
this._getBoundingRect();
this.stamps.forEach(this._manageStamp, this);
};
// update boundingLeft / Top
proto._getBoundingRect = function () {
// get bounding rect for container element
var boundingRect = this.element.getBoundingClientRect();
var size = this.size;
this._boundingRect = {
left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
top: boundingRect.top + size.paddingTop + size.borderTopWidth,
right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
};
};
/**
* @param {Element} stamp
**/
proto._manageStamp = noop;
/**
* get x/y position of element relative to container element
* @param {Element} elem
* @returns {Object} offset - has left, top, right, bottom
*/
proto._getElementOffset = function (elem) {
var boundingRect = elem.getBoundingClientRect();
var thisRect = this._boundingRect;
var size = getSize(elem);
var offset = {
left: boundingRect.left - thisRect.left - size.marginLeft,
top: boundingRect.top - thisRect.top - size.marginTop,
right: thisRect.right - boundingRect.right - size.marginRight,
bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
};
return offset;
};
// -------------------------- resize -------------------------- //
// enable event handlers for listeners
// i.e. resize -> onresize
proto.handleEvent = utils.handleEvent;
/**
* Bind layout to window resizing
*/
proto.bindResize = function () {
window.addEventListener('resize', this);
this.isResizeBound = true;
};
/**
* Unbind layout to window resizing
*/
proto.unbindResize = function () {
window.removeEventListener('resize', this);
this.isResizeBound = false;
};
proto.onresize = function () {
this.resize();
};
utils.debounceMethod(Outlayer, 'onresize', 100);
proto.resize = function () {
// don't trigger if size did not change
// or if resize was unbound. See #9
if (!this.isResizeBound || !this.needsResizeLayout()) {
return;
}
this.layout();
};
/**
* check if layout is needed post layout
* @returns Boolean
*/
proto.needsResizeLayout = function () {
var size = getSize(this.element);
// check that this.size and size are there
// IE8 triggers resize on body size change, so they might not be
var hasSizes = this.size && size;
return hasSizes && size.innerWidth !== this.size.innerWidth;
};
// -------------------------- methods -------------------------- //
/**
* add items to Outlayer instance
* @param {Array or NodeList or Element} elems
* @returns {Array} items - Outlayer.Items
**/
proto.addItems = function (elems) {
var items = this._itemize(elems);
// add items to collection
if (items.length) {
this.items = this.items.concat(items);
}
return items;
};
/**
* Layout newly-appended item elements
* @param {Array or NodeList or Element} elems
*/
proto.appended = function (elems) {
var items = this.addItems(elems);
if (!items.length) {
return;
}
// layout and reveal just the new items
this.layoutItems(items, true);
this.reveal(items);
};
/**
* Layout prepended elements
* @param {Array or NodeList or Element} elems
*/
proto.prepended = function (elems) {
var items = this._itemize(elems);
if (!items.length) {
return;
}
// add items to beginning of collection
var previousItems = this.items.slice(0);
this.items = items.concat(previousItems);
// start new layout
this._resetLayout();
this._manageStamps();
// layout new stuff without transition
this.layoutItems(items, true);
this.reveal(items);
// layout previous items
this.layoutItems(previousItems);
};
/**
* reveal a collection of items
* @param {Array of Outlayer.Items} items
*/
proto.reveal = function (items) {
this._emitCompleteOnItems('reveal', items);
if (!items || !items.length) {
return;
}
var stagger = this.updateStagger();
items.forEach(function (item, i) {
item.stagger(i * stagger);
item.reveal();
});
};
/**
* hide a collection of items
* @param {Array of Outlayer.Items} items
*/
proto.hide = function (items) {
this._emitCompleteOnItems('hide', items);
if (!items || !items.length) {
return;
}
var stagger = this.updateStagger();
items.forEach(function (item, i) {
item.stagger(i * stagger);
item.hide();
});
};
/**
* reveal item elements
* @param {Array}, {Element}, {NodeList} items
*/
proto.revealItemElements = function (elems) {
var items = this.getItems(elems);
this.reveal(items);
};
/**
* hide item elements
* @param {Array}, {Element}, {NodeList} items
*/
proto.hideItemElements = function (elems) {
var items = this.getItems(elems);
this.hide(items);
};
/**
* get Outlayer.Item, given an Element
* @param {Element} elem
* @param {Function} callback
* @returns {Outlayer.Item} item
*/
proto.getItem = function (elem) {
// loop through items to get the one that matches
for (var i = 0; i < this.items.length; i++) {
var item = this.items[i];
if (item.element == elem) {
// return item
return item;
}
}
};
/**
* get collection of Outlayer.Items, given Elements
* @param {Array} elems
* @returns {Array} items - Outlayer.Items
*/
proto.getItems = function (elems) {
elems = utils.makeArray(elems);
var items = [];
elems.forEach(function (elem) {
var item = this.getItem(elem);
if (item) {
items.push(item);
}
}, this);
return items;
};
/**
* remove element(s) from instance and DOM
* @param {Array or NodeList or Element} elems
*/
proto.remove = function (elems) {
var removeItems = this.getItems(elems);
this._emitCompleteOnItems('remove', removeItems);
// bail if no items to remove
if (!removeItems || !removeItems.length) {
return;
}
removeItems.forEach(function (item) {
item.remove();
// remove item from collection
utils.removeFrom(this.items, item);
}, this);
};
// ----- destroy ----- //
// remove and disable Outlayer instance
proto.destroy = function () {
// clean up dynamic styles
var style = this.element.style;
style.height = '';
style.position = '';
style.width = '';
// destroy items
this.items.forEach(function (item) {
item.destroy();
});
this.unbindResize();
var id = this.element.outlayerGUID;
delete instances[id]; // remove reference to instance by id
delete this.element.outlayerGUID;
// remove data for jQuery
if (jQuery) {
jQuery.removeData(this.element, this.constructor.namespace);
}
};
// -------------------------- data -------------------------- //
/**
* get Outlayer instance from element
* @param {Element} elem
* @returns {Outlayer}
*/
Outlayer.data = function (elem) {
elem = utils.getQueryElement(elem);
var id = elem && elem.outlayerGUID;
return id && instances[id];
};
// -------------------------- create Outlayer class -------------------------- //
/**
* create a layout class
* @param {String} namespace
*/
Outlayer.create = function (namespace, options) {
// sub-class Outlayer
var Layout = subclass(Outlayer);
// apply new options and compatOptions
Layout.defaults = utils.extend({}, Outlayer.defaults);
utils.extend(Layout.defaults, options);
Layout.compatOptions = utils.extend({}, Outlayer.compatOptions);
Layout.namespace = namespace;
Layout.data = Outlayer.data;
// sub-class Item
Layout.Item = subclass(Item);
// -------------------------- declarative -------------------------- //
utils.htmlInit(Layout, namespace);
// -------------------------- jQuery bridge -------------------------- //
// make into jQuery plugin
if (jQuery && jQuery.bridget) {
jQuery.bridget(namespace, Layout);
}
return Layout;
};
function subclass(Parent) {
function SubClass() {
Parent.apply(this, arguments);
}
SubClass.prototype = Object.create(Parent.prototype);
SubClass.prototype.constructor = SubClass;
return SubClass;
}
// ----- helpers ----- //
// how many milliseconds are in each unit
var msUnits = {
ms: 1,
s: 1000
};
// munge time-like parameter into millisecond number
// '0.4s' -> 40
function getMilliseconds(time) {
if (typeof time == 'number') {
return time;
}
var matches = time.match(/(^\d*\.?\d*)(\w*)/);
var num = matches && matches[1];
var unit = matches && matches[2];
if (!num.length) {
return 0;
}
num = parseFloat(num);
var mult = msUnits[unit] || 1;
return num * mult;
}
// ----- fin ----- //
// back in global
Outlayer.Item = Item;
return Outlayer;
}));
/*!
* Masonry v4.2.0
* Cascading grid layout library
* http://masonry.desandro.com
* MIT License
* by David DeSandro
*/
( function (window, factory) {
// universal module definition
/* jshint strict: false */
/*globals define, module, require */
if (typeof define == 'function' && define.amd) {
// AMD
define([
'outlayer/outlayer',
'get-size/get-size'
],
factory);
} else if (typeof module == 'object' && module.exports) {
// CommonJS
module.exports = factory(
require('outlayer'),
require('get-size')
);
} else {
// browser global
window.Masonry = factory(
window.Outlayer,
window.getSize
);
}
}(window, function factory(Outlayer, getSize) {
// -------------------------- masonryDefinition -------------------------- //
// create an Outlayer layout class
var Masonry = Outlayer.create('masonry');
// isFitWidth -> fitWidth
Masonry.compatOptions.fitWidth = 'isFitWidth';
var proto = Masonry.prototype;
proto._resetLayout = function () {
this.getSize();
this._getMeasurement('columnWidth', 'outerWidth');
this._getMeasurement('gutter', 'outerWidth');
this.measureColumns();
// reset column Y
this.colYs = [];
for (var i = 0; i < this.cols; i++) {
this.colYs.push(0);
}
this.maxY = 0;
this.horizontalColIndex = 0;
};
proto.measureColumns = function () {
this.getContainerWidth();
// if columnWidth is 0, default to outerWidth of first item
if (!this.columnWidth) {
var firstItem = this.items[0];
var firstItemElem = firstItem && firstItem.element;
// columnWidth fall back to item of first element
this.columnWidth = firstItemElem && getSize(firstItemElem).outerWidth ||
// if first elem has no width, default to size of container
this.containerWidth;
}
var columnWidth = this.columnWidth += this.gutter;
// calculate columns
var containerWidth = this.containerWidth + this.gutter;
var cols = containerWidth / columnWidth;
// fix rounding errors, typically with gutters
var excess = columnWidth - containerWidth % columnWidth;
// if overshoot is less than a pixel, round up, otherwise floor it
var mathMethod = excess && excess < 1 ? 'round' : 'floor';
cols = Math[mathMethod](cols);
this.cols = Math.max(cols, 1);
};
proto.getContainerWidth = function () {
// container is parent if fit width
var isFitWidth = this._getOption('fitWidth');
var container = isFitWidth ? this.element.parentNode : this.element;
// check that this.size and size are there
// IE8 triggers resize on body size change, so they might not be
var size = getSize(container);
this.containerWidth = size && size.innerWidth;
};
proto._getItemLayoutPosition = function (item) {
item.getSize();
// how many columns does this brick span
var remainder = item.size.outerWidth % this.columnWidth;
var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
// round if off by 1 pixel, otherwise use ceil
var colSpan = Math[mathMethod](item.size.outerWidth / this.columnWidth);
colSpan = Math.min(colSpan, this.cols);
// use horizontal or top column position
var colPosMethod = this.options.horizontalOrder ?
'_getHorizontalColPosition' : '_getTopColPosition';
var colPosition = this[colPosMethod](colSpan, item);
// position the brick
var position = {
x: this.columnWidth * colPosition.col,
y: colPosition.y
};
// apply setHeight to necessary columns
var setHeight = colPosition.y + item.size.outerHeight;
var setMax = colSpan + colPosition.col;
for (var i = colPosition.col; i < setMax; i++) {
this.colYs[i] = setHeight;
}
return position;
};
proto._getTopColPosition = function (colSpan) {
var colGroup = this._getTopColGroup(colSpan);
// get the minimum Y value from the columns
var minimumY = Math.min.apply(Math, colGroup);
return {
col: colGroup.indexOf(minimumY),
y: minimumY,
};
};
/**
* @param {Number} colSpan - number of columns the element spans
* @returns {Array} colGroup
*/
proto._getTopColGroup = function (colSpan) {
if (colSpan < 2) {
// if brick spans only one column, use all the column Ys
return this.colYs;
}
var colGroup = [];
// how many different places could this brick fit horizontally
var groupCount = this.cols + 1 - colSpan;
// for each group potential horizontal position
for (var i = 0; i < groupCount; i++) {
colGroup[i] = this._getColGroupY(i, colSpan);
}
return colGroup;
};
proto._getColGroupY = function (col, colSpan) {
if (colSpan < 2) {
return this.colYs[col];
}
// make an array of colY values for that one group
var groupColYs = this.colYs.slice(col, col + colSpan);
// and get the max value of the array
return Math.max.apply(Math, groupColYs);
};
// get column position based on horizontal index. #873
proto._getHorizontalColPosition = function (colSpan, item) {
var col = this.horizontalColIndex % this.cols;
var isOver = colSpan > 1 && col + colSpan > this.cols;
// shift to next row if item can't fit on current row
col = isOver ? 0 : col;
// don't let zero-size items take up space
var hasSize = item.size.outerWidth && item.size.outerHeight;
this.horizontalColIndex = hasSize ? col + colSpan : this.horizontalColIndex;
return {
col: col,
y: this._getColGroupY(col, colSpan),
};
};
proto._manageStamp = function (stamp) {
var stampSize = getSize(stamp);
var offset = this._getElementOffset(stamp);
// get the columns that this stamp affects
var isOriginLeft = this._getOption('originLeft');
var firstX = isOriginLeft ? offset.left : offset.right;
var lastX = firstX + stampSize.outerWidth;
var firstCol = Math.floor(firstX / this.columnWidth);
firstCol = Math.max(0, firstCol);
var lastCol = Math.floor(lastX / this.columnWidth);
// lastCol should not go over if multiple of columnWidth #425
lastCol -= lastX % this.columnWidth ? 0 : 1;
lastCol = Math.min(this.cols - 1, lastCol);
// set colYs to bottom of the stamp
var isOriginTop = this._getOption('originTop');
var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) +
stampSize.outerHeight;
for (var i = firstCol; i <= lastCol; i++) {
this.colYs[i] = Math.max(stampMaxY, this.colYs[i]);
}
};
proto._getContainerSize = function () {
this.maxY = Math.max.apply(Math, this.colYs);
var size = {
height: this.maxY
};
if (this._getOption('fitWidth')) {
size.width = this._getContainerFitWidth();
}
return size;
};
proto._getContainerFitWidth = function () {
var unusedCols = 0;
// count unused columns
var i = this.cols;
while (--i) {
if (this.colYs[i] !== 0) {
break;
}
unusedCols++;
}
// fit container to columns that have been used
return ( this.cols - unusedCols ) * this.columnWidth - this.gutter;
};
proto.needsResizeLayout = function () {
var previousWidth = this.containerWidth;
this.getContainerWidth();
return previousWidth != this.containerWidth;
};
return Masonry;
}));
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