/* * debouncedresize: special jQuery event that happens once after a window resize * * latest version and complete README available on Github: * https://github.com/louisremi/jquery-smartresize/blob/master/jquery.debouncedresize.js * * Copyright 2011 @louis_remi * Licensed under the MIT license. */ var $event = $.event, $special, resizeTimeout; $special = $event.special.debouncedresize = { setup: function() { $( this ).on( "resize", $special.handler ); }, teardown: function() { $( this ).off( "resize", $special.handler ); }, handler: function( event, execAsap ) { // Save the context var context = this, args = arguments, dispatch = function() { // set correct event type event.type = "debouncedresize"; $event.dispatch.apply( context, args ); }; if ( resizeTimeout ) { clearTimeout( resizeTimeout ); } execAsap ? dispatch() : resizeTimeout = setTimeout( dispatch, $special.threshold ); }, threshold: 250 }; // ======================= imagesLoaded Plugin =============================== // https://github.com/desandro/imagesloaded // $('#my-container').imagesLoaded(myFunction) // execute a callback when all images have loaded. // needed because .load() doesn't work on cached images // callback function gets image collection as argument // this is the container // original: MIT license. Paul Irish. 2010. // contributors: Oren Solomianik, David DeSandro, Yiannis Chatzikonstantinou // blank image data-uri bypasses webkit log warning (thx doug jones) var BLANK = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw=='; $.fn.imagesLoaded = function( callback ) { var $this = this, deferred = $.isFunction($.Deferred) ? $.Deferred() : 0, hasNotify = $.isFunction(deferred.notify), $images = $this.find('img').add( $this.filter('img') ), loaded = [], proper = [], broken = []; // Register deferred callbacks if ($.isPlainObject(callback)) { $.each(callback, function (key, value) { if (key === 'callback') { callback = value; } else if (deferred) { deferred[key](value); } }); } function doneLoading() { var $proper = $(proper), $broken = $(broken); if ( deferred ) { if ( broken.length ) { deferred.reject( $images, $proper, $broken ); } else { deferred.resolve( $images ); } } if ( $.isFunction( callback ) ) { callback.call( $this, $images, $proper, $broken ); } } function imgLoaded( img, isBroken ) { // don't proceed if BLANK image, or image is already loaded if ( img.src === BLANK || $.inArray( img, loaded ) !== -1 ) { return; } // store element in loaded images array loaded.push( img ); // keep track of broken and properly loaded images if ( isBroken ) { broken.push( img ); } else { proper.push( img ); } // cache image and its state for future calls $.data( img, 'imagesLoaded', { isBroken: isBroken, src: img.src } ); // trigger deferred progress method if present if ( hasNotify ) { deferred.notifyWith( $(img), [ isBroken, $images, $(proper), $(broken) ] ); } // call doneLoading and clean listeners if all images are loaded if ( $images.length === loaded.length ){ setTimeout( doneLoading ); $images.unbind( '.imagesLoaded' ); } } // if no images, trigger immediately if ( !$images.length ) { doneLoading(); } else { $images.bind( 'load.imagesLoaded error.imagesLoaded', function( event ){ // trigger imgLoaded imgLoaded( event.target, event.type === 'error' ); }).each( function( i, el ) { var src = el.src; // find out if this image has been already checked for status // if it was, and src has not changed, call imgLoaded on it var cached = $.data( el, 'imagesLoaded' ); if ( cached && cached.src === src ) { imgLoaded( el, cached.isBroken ); return; } // if complete is true and browser supports natural sizes, try // to check for image status manually if ( el.complete && el.naturalWidth !== undefined ) { imgLoaded( el, el.naturalWidth === 0 || el.naturalHeight === 0 ); return; } // cached images don't fire load sometimes, so we reset src, but only when // dealing with IE, or image is complete (loaded) and failed manual check // webkit hack from http://groups.google.com/group/jquery-dev/browse_thread/thread/eee6ab7b2da50e1f if ( el.readyState || el.complete ) { el.src = BLANK; el.src = src; } }); } return deferred ? deferred.promise( $this ) : $this; }; var Grid = (function() { // list of items var $grid = $( '#og-grid' ), // the items $items = $grid.children( 'li' ), // current expanded item's index current = -1, // position (top) of the expanded item // used to know if the preview will expand in a different row previewPos = -1, // extra amount of pixels to scroll the window scrollExtra = 0, // extra margin when expanded (between preview overlay and the next items) marginExpanded = 10, $window = $( window ), winsize, $body = $( 'html, body' ), // transitionend events transEndEventNames = { 'WebkitTransition' : 'webkitTransitionEnd', 'MozTransition' : 'transitionend', 'OTransition' : 'oTransitionEnd', 'msTransition' : 'MSTransitionEnd', 'transition' : 'transitionend' }, transEndEventName = transEndEventNames[ Modernizr.prefixed( 'transition' ) ], // support for csstransitions support = Modernizr.csstransitions, // default settings settings = { minHeight : 800, speed : 350, easing : 'ease' }; function init( config ) { // the settings.. settings = $.extend( true, {}, settings, config ); // preload all images $grid.imagesLoaded( function() { // save item´s size and offset saveItemInfo( true ); // get window´s size getWinSize(); // initialize some events initEvents(); } ); } // add more items to the grid. // the new items need to appended to the grid. // after that call Grid.addItems(theItems); function addItems( $newitems ) { $items = $items.add( $newitems ); $newitems.each( function() { var $item = $( this ); $item.data( { offsetTop : $item.offset().top, height : $item.height() } ); } ); initItemsEvents( $newitems ); } // saves the item´s offset top and height (if saveheight is true) function saveItemInfo( saveheight ) { $items.each( function() { var $item = $( this ); $item.data( 'offsetTop', $item.offset().top ); if( saveheight ) { $item.data( 'height', $item.height() ); } } ); } function initEvents() { // when clicking an item, show the preview with the item´s info and large image. // close the item if already expanded. // also close if clicking on the item´s cross initItemsEvents( $items ); // on window resize get the window´s size again // reset some values.. $window.on( 'debouncedresize', function() { scrollExtra = 0; previewPos = -1; // save item´s offset saveItemInfo(); getWinSize(); var preview = $.data( this, 'preview' ); if( typeof preview != 'undefined' ) { hidePreview(); } } ); } function initItemsEvents( $items ) { $items.on( 'click', '.og-close', function() { hidePreview(); return false; } ).children( 'a' ).on( 'click', function(e) { var $item = $( this ).parent(); // check if item already opened current === $item.index() ? hidePreview() : showPreview( $item ); return false; } ); } function getWinSize() { winsize = { width : $window.width(), height : $window.height() }; } function showPreview( $item ) { var preview = $.data( this, 'preview' ), // item´s offset top position = $item.data( 'offsetTop' ); scrollExtra = 0; // if a preview exists and previewPos is different (different row) from item´s top then close it if( typeof preview != 'undefined' ) { // not in the same row if( previewPos !== position ) { // if position > previewPos then we need to take te current preview´s height in consideration when scrolling the window if( position > previewPos ) { scrollExtra = preview.height; } hidePreview(); } // same row else { preview.update( $item ); return false; } } // update previewPos previewPos = position; // initialize new preview for the clicked item preview = $.data( this, 'preview', new Preview( $item ) ); // expand preview overlay preview.open(); } function hidePreview() { current = -1; var preview = $.data( this, 'preview' ); preview.close(); $.removeData( this, 'preview' ); } // the preview obj / overlay function Preview( $item ) { this.$item = $item; this.expandedIdx = this.$item.index(); this.create(); this.update(); } Preview.prototype = { create : function() { // create Preview structure: this.$title = $( '
' ); this.$description = $( '' ); this.$href = $( '' ); this.$hrefBefore = $( '