mirror of https://github.com/metafizzy/isotope
Filter & sort magical layouts
http://isotope.metafizzy.co
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1356 lines
41 KiB
1356 lines
41 KiB
/** |
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* Isotope v1.5.03 |
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* An exquisite jQuery plugin for magical layouts |
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* http://isotope.metafizzy.co |
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* |
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* Commercial use requires one-time license fee |
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* http://metafizzy.co/#licenses |
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* |
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* Copyright 2011 David DeSandro / Metafizzy |
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*/ |
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/*jshint curly: true, eqeqeq: true, forin: false, immed: false, newcap: true, noempty: true, undef: true */ |
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/*global Modernizr: true, jQuery: true */ |
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(function( window, $, undefined ){ |
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'use strict'; |
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// helper function |
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var capitalize = function( str ) { |
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return str.charAt(0).toUpperCase() + str.slice(1); |
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}; |
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// ========================= getStyleProperty by kangax =============================== |
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// http://perfectionkills.com/feature-testing-css-properties/ |
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var prefixes = 'Moz Webkit Khtml O Ms'.split(' '); |
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var getStyleProperty = function( propName ) { |
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var style = document.documentElement.style, |
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prefixed; |
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// test standard property first |
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if ( typeof style[propName] === 'string' ) { |
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return propName; |
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} |
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// capitalize |
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propName = capitalize( propName ); |
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// test vendor specific properties |
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for ( var i=0, len = prefixes.length; i < len; i++ ) { |
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prefixed = prefixes[i] + propName; |
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if ( typeof style[ prefixed ] === 'string' ) { |
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return prefixed; |
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} |
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} |
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}; |
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var transformProp = getStyleProperty('transform'), |
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transitionProp = getStyleProperty('transitionProperty'); |
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// ========================= miniModernizr =============================== |
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// <3<3<3 and thanks to Faruk and Paul for doing the heavy lifting |
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/*! |
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* Modernizr v1.6ish: miniModernizr for Isotope |
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* http://www.modernizr.com |
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* |
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* Developed by: |
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* - Faruk Ates http://farukat.es/ |
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* - Paul Irish http://paulirish.com/ |
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* |
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* Copyright (c) 2009-2010 |
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* Dual-licensed under the BSD or MIT licenses. |
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* http://www.modernizr.com/license/ |
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*/ |
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/* |
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* This version whittles down the script just to check support for |
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* CSS transitions, transforms, and 3D transforms. |
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*/ |
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var tests = { |
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csstransforms: function() { |
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return !!transformProp; |
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}, |
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csstransforms3d: function() { |
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var test = !!getStyleProperty('perspective'); |
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// double check for Chrome's false positive |
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if ( test ) { |
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var vendorCSSPrefixes = ' -o- -moz- -ms- -webkit- -khtml- '.split(' '), |
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mediaQuery = '@media (' + vendorCSSPrefixes.join('transform-3d),(') + 'modernizr)', |
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$style = $('<style>' + mediaQuery + '{#modernizr{height:3px}}' + '</style>') |
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.appendTo('head'), |
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$div = $('<div id="modernizr" />').appendTo('html'); |
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test = $div.height() === 3; |
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$div.remove(); |
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$style.remove(); |
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} |
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return test; |
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}, |
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csstransitions: function() { |
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return !!transitionProp; |
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} |
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}; |
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if ( window.Modernizr ) { |
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// if there's a previous Modernzir, check if there are necessary tests |
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for ( var testName in tests) { |
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if ( !Modernizr.hasOwnProperty( testName ) ) { |
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// if test hasn't been run, use addTest to run it |
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Modernizr.addTest( testName, tests[ testName ] ); |
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} |
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} |
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} else { |
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// or create new mini Modernizr that just has the 3 tests |
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window.Modernizr = (function(){ |
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var miniModernizr = { |
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_version : '1.6ish: miniModernizr for Isotope' |
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}, |
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classes = ' ', |
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result, testName; |
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// Run through tests |
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for ( testName in tests) { |
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result = tests[ testName ](); |
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miniModernizr[ testName ] = result; |
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classes += ' ' + ( result ? '' : 'no-' ) + testName; |
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} |
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// Add the new classes to the <html> element. |
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$('html').addClass( classes ); |
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return miniModernizr; |
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})(); |
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} |
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// ========================= isoTransform =============================== |
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/** |
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* provides hooks for .css({ scale: value, translate: [x, y] }) |
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* Progressively enhanced CSS transforms |
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* Uses hardware accelerated 3D transforms for Safari |
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* or falls back to 2D transforms. |
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*/ |
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if ( Modernizr.csstransforms ) { |
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// i.e. transformFnNotations.scale(0.5) >> 'scale3d( 0.5, 0.5, 1)' |
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var transformFnNotations = Modernizr.csstransforms3d ? |
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{ // 3D transform functions |
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translate : function ( position ) { |
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return 'translate3d(' + position[0] + 'px, ' + position[1] + 'px, 0) '; |
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}, |
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scale : function ( scale ) { |
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return 'scale3d(' + scale + ', ' + scale + ', 1) '; |
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} |
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} : |
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{ // 2D transform functions |
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translate : function ( position ) { |
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return 'translate(' + position[0] + 'px, ' + position[1] + 'px) '; |
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}, |
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scale : function ( scale ) { |
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return 'scale(' + scale + ') '; |
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} |
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} |
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; |
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var setIsoTransform = function ( elem, name, value ) { |
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// unpack current transform data |
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var data = $.data( elem, 'isoTransform' ) || {}, |
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newData = {}, |
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fnName, |
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transformObj = {}, |
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transformValue; |
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// i.e. newData.scale = 0.5 |
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newData[ name ] = value; |
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// extend new value over current data |
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$.extend( data, newData ); |
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for ( fnName in data ) { |
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transformValue = data[ fnName ]; |
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transformObj[ fnName ] = transformFnNotations[ fnName ]( transformValue ); |
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} |
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// get proper order |
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// ideally, we could loop through this give an array, but since we only have |
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// a couple transforms we're keeping track of, we'll do it like so |
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var translateFn = transformObj.translate || '', |
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scaleFn = transformObj.scale || '', |
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// sorting so translate always comes first |
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valueFns = translateFn + scaleFn; |
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// set data back in elem |
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$.data( elem, 'isoTransform', data ); |
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// set name to vendor specific property |
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elem.style[ transformProp ] = valueFns; |
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}; |
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// ==================== scale =================== |
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$.cssNumber.scale = true; |
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$.cssHooks.scale = { |
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set: function( elem, value ) { |
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// uncomment this bit if you want to properly parse strings |
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// if ( typeof value === 'string' ) { |
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// value = parseFloat( value ); |
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// } |
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setIsoTransform( elem, 'scale', value ); |
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}, |
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get: function( elem, computed ) { |
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var transform = $.data( elem, 'isoTransform' ); |
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return transform && transform.scale ? transform.scale : 1; |
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} |
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}; |
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$.fx.step.scale = function( fx ) { |
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$.cssHooks.scale.set( fx.elem, fx.now+fx.unit ); |
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}; |
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// ==================== translate =================== |
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$.cssNumber.translate = true; |
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$.cssHooks.translate = { |
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set: function( elem, value ) { |
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// uncomment this bit if you want to properly parse strings |
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// if ( typeof value === 'string' ) { |
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// value = value.split(' '); |
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// } |
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// |
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// var i, val; |
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// for ( i = 0; i < 2; i++ ) { |
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// val = value[i]; |
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// if ( typeof val === 'string' ) { |
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// val = parseInt( val ); |
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// } |
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// } |
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setIsoTransform( elem, 'translate', value ); |
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}, |
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get: function( elem, computed ) { |
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var transform = $.data( elem, 'isoTransform' ); |
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return transform && transform.translate ? transform.translate : [ 0, 0 ]; |
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} |
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}; |
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} |
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// ========================= get transition-end event =============================== |
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var transitionEndEvent, transitionDurProp; |
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if ( Modernizr.csstransitions ) { |
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transitionEndEvent = { |
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WebkitTransitionProperty: 'webkitTransitionEnd', // webkit |
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MozTransitionProperty: 'transitionend', |
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OTransitionProperty: 'oTransitionEnd', |
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transitionProperty: 'transitionEnd' |
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}[ transitionProp ]; |
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transitionDurProp = getStyleProperty('transitionDuration'); |
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} |
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// ========================= smartresize =============================== |
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/* |
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* smartresize: debounced resize event for jQuery |
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* |
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* latest version and complete README available on Github: |
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* https://github.com/louisremi/jquery.smartresize.js |
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* |
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* Copyright 2011 @louis_remi |
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* Licensed under the MIT license. |
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*/ |
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var $event = $.event, |
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resizeTimeout; |
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$event.special.smartresize = { |
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setup: function() { |
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$(this).bind( "resize", $event.special.smartresize.handler ); |
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}, |
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teardown: function() { |
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$(this).unbind( "resize", $event.special.smartresize.handler ); |
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}, |
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handler: function( event, execAsap ) { |
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// Save the context |
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var context = this, |
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args = arguments; |
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// set correct event type |
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event.type = "smartresize"; |
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if ( resizeTimeout ) { clearTimeout( resizeTimeout ); } |
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resizeTimeout = setTimeout(function() { |
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jQuery.event.handle.apply( context, args ); |
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}, execAsap === "execAsap"? 0 : 100 ); |
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} |
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}; |
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$.fn.smartresize = function( fn ) { |
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return fn ? this.bind( "smartresize", fn ) : this.trigger( "smartresize", ["execAsap"] ); |
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}; |
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// ========================= Isotope =============================== |
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// our "Widget" object constructor |
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$.Isotope = function( options, element, callback ){ |
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this.element = $( element ); |
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this._create( options ); |
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this._init( callback ); |
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}; |
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// styles of container element we want to keep track of |
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var isoContainerStyles = [ 'overflow', 'position', 'width', 'height' ]; |
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$.Isotope.settings = { |
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resizable: true, |
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layoutMode : 'masonry', |
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containerClass : 'isotope', |
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itemClass : 'isotope-item', |
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hiddenClass : 'isotope-hidden', |
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hiddenStyle : Modernizr.csstransforms && !$.browser.opera ? |
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{ opacity : 0, scale : 0.001 } : // browsers support CSS transforms, not Opera |
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{ opacity : 0 }, // other browsers, including Opera |
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visibleStyle : Modernizr.csstransforms && !$.browser.opera ? |
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{ opacity : 1, scale : 1 } : // browsers support CSS transforms, not Opera |
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{ opacity : 1 }, // other browsers, including Opera |
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animationEngine : $.browser.opera ? 'jquery' : 'best-available', |
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animationOptions: { |
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queue: false, |
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duration: 800 |
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}, |
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sortBy : 'original-order', |
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sortAscending : true, |
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resizesContainer : true, |
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transformsEnabled : true, |
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itemPositionDataEnabled: false |
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}; |
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$.Isotope.prototype = { |
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// sets up widget |
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_create : function( options ) { |
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this.options = $.extend( {}, $.Isotope.settings, options ); |
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this.styleQueue = []; |
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this.elemCount = 0; |
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// get original styles in case we re-apply them in .destroy() |
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var elemStyle = this.element[0].style; |
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this.originalStyle = {}; |
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for ( var i=0, len = isoContainerStyles.length; i < len; i++ ) { |
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var prop = isoContainerStyles[i]; |
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this.originalStyle[ prop ] = elemStyle[ prop ] || ''; |
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} |
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this.element.css({ |
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overflow : 'hidden', |
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position : 'relative' |
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}); |
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this._updateAnimationEngine(); |
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this._updateUsingTransforms(); |
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// sorting |
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var originalOrderSorter = { |
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'original-order' : function( $elem, instance ) { |
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instance.elemCount ++; |
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return instance.elemCount; |
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}, |
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random : function() { |
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return Math.random(); |
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} |
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}; |
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this.options.getSortData = $.extend( this.options.getSortData, originalOrderSorter ); |
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// need to get atoms |
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this.reloadItems(); |
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// get top left position of where the bricks should be |
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var $cursor = $( document.createElement('div') ).prependTo( this.element ); |
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this.offset = $cursor.position(); |
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$cursor.remove(); |
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// add isotope class first time around |
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var instance = this; |
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setTimeout( function() { |
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instance.element.addClass( instance.options.containerClass ); |
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}, 0 ); |
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// bind resize method |
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if ( this.options.resizable ) { |
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$(window).bind( 'smartresize.isotope', function() { |
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instance.resize(); |
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}); |
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} |
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// dismiss all click events from hidden events |
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this.element.delegate( '.' + this.options.hiddenClass, 'click', function(){ |
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return false; |
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}); |
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}, |
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_getAtoms : function( $elems ) { |
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var selector = this.options.itemSelector, |
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// filter & find |
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$atoms = selector ? $elems.filter( selector ).add( $elems.find( selector ) ) : $elems, |
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// base style for atoms |
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atomStyle = { position: 'absolute' }; |
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if ( this.usingTransforms ) { |
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atomStyle.left = 0; |
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atomStyle.top = 0; |
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} |
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$atoms.css( atomStyle ).addClass( this.options.itemClass ); |
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this.updateSortData( $atoms, true ); |
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return $atoms; |
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}, |
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// _init fires when your instance is first created |
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// (from the constructor above), and when you |
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// attempt to initialize the widget again (by the bridge) |
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// after it has already been initialized. |
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_init : function( callback ) { |
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this.$filteredAtoms = this._filter( this.$allAtoms ); |
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this._sort(); |
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this.reLayout( callback ); |
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}, |
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option : function( opts ){ |
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// change options AFTER initialization: |
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// signature: $('#foo').bar({ cool:false }); |
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if ( $.isPlainObject( opts ) ){ |
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this.options = $.extend( true, this.options, opts ); |
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// trigger _updateOptionName if it exists |
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var updateOptionFn; |
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for ( var optionName in opts ) { |
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updateOptionFn = '_update' + capitalize( optionName ); |
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if ( this[ updateOptionFn ] ) { |
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this[ updateOptionFn ](); |
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} |
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} |
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} |
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}, |
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// ====================== updaters ====================== // |
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// kind of like setters |
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_updateAnimationEngine : function() { |
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var animationEngine = this.options.animationEngine.toLowerCase().replace( /[ _\-]/g, ''); |
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// set applyStyleFnName |
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switch ( animationEngine ) { |
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case 'css' : |
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case 'none' : |
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this.isUsingJQueryAnimation = false; |
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break; |
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case 'jquery' : |
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this.isUsingJQueryAnimation = true; |
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break; |
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default : // best available |
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this.isUsingJQueryAnimation = !Modernizr.csstransitions; |
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} |
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this._updateUsingTransforms(); |
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}, |
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_updateTransformsEnabled : function() { |
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this._updateUsingTransforms(); |
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}, |
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_updateUsingTransforms : function() { |
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this.usingTransforms = this.options.transformsEnabled && Modernizr.csstransforms && Modernizr.csstransitions && !this.isUsingJQueryAnimation; |
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this.getPositionStyles = this.usingTransforms ? this._translate : this._positionAbs; |
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}, |
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// ====================== Filtering ====================== |
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_filter : function( $atoms ) { |
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var filter = this.options.filter === '' ? '*' : this.options.filter; |
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if ( !filter ) { |
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return $atoms; |
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} |
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var hiddenClass = this.options.hiddenClass, |
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hiddenSelector = '.' + hiddenClass, |
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$hiddenAtoms = $atoms.filter( hiddenSelector ), |
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$atomsToShow = $hiddenAtoms; |
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if ( filter !== '*' ) { |
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$atomsToShow = $hiddenAtoms.filter( filter ); |
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var $atomsToHide = $atoms.not( hiddenSelector ).not( filter ).addClass( hiddenClass ); |
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this.styleQueue.push({ $el: $atomsToHide, style: this.options.hiddenStyle }); |
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} |
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this.styleQueue.push({ $el: $atomsToShow, style: this.options.visibleStyle }); |
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$atomsToShow.removeClass( hiddenClass ); |
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return $atoms.filter( filter ); |
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}, |
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// ====================== Sorting ====================== |
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updateSortData : function( $atoms, isIncrementingElemCount ) { |
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var instance = this, |
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getSortData = this.options.getSortData, |
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$this, sortData; |
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$atoms.each(function(){ |
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$this = $(this); |
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sortData = {}; |
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// get value for sort data based on fn( $elem ) passed in |
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for ( var key in getSortData ) { |
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if ( !isIncrementingElemCount && key === 'original-order' ) { |
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// keep original order original |
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sortData[ key ] = $.data( this, 'isotope-sort-data' )[ key ]; |
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} else { |
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sortData[ key ] = getSortData[ key ]( $this, instance ); |
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} |
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} |
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// apply sort data to element |
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$.data( this, 'isotope-sort-data', sortData ); |
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}); |
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}, |
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// used on all the filtered atoms |
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_sort : function() { |
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var sortBy = this.options.sortBy, |
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getSorter = this._getSorter, |
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sortDir = this.options.sortAscending ? 1 : -1, |
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sortFn = function( alpha, beta ) { |
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var a = getSorter( alpha, sortBy ), |
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b = getSorter( beta, sortBy ); |
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// fall back to original order if data matches |
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if ( a === b && sortBy !== 'original-order') { |
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a = getSorter( alpha, 'original-order' ); |
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b = getSorter( beta, 'original-order' ); |
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} |
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return ( ( a > b ) ? 1 : ( a < b ) ? -1 : 0 ) * sortDir; |
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}; |
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this.$filteredAtoms.sort( sortFn ); |
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}, |
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_getSorter : function( elem, sortBy ) { |
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return $.data( elem, 'isotope-sort-data' )[ sortBy ]; |
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}, |
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// ====================== Layout Helpers ====================== |
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_translate : function( x, y ) { |
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return { translate : [ x, y ] }; |
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}, |
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_positionAbs : function( x, y ) { |
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return { left: x, top: y }; |
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}, |
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_pushPosition : function( $elem, x, y ) { |
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x += this.offset.left; |
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y += this.offset.top; |
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var position = this.getPositionStyles( x, y ); |
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this.styleQueue.push({ $el: $elem, style: position }); |
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if ( this.options.itemPositionDataEnabled ) { |
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$elem.data('isotope-item-position', {x: x, y: y} ); |
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} |
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}, |
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// ====================== General Layout ====================== |
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// used on collection of atoms (should be filtered, and sorted before ) |
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// accepts atoms-to-be-laid-out to start with |
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layout : function( $elems, callback ) { |
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|
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var layoutMode = this.options.layoutMode; |
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|
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// layout logic |
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this[ '_' + layoutMode + 'Layout' ]( $elems ); |
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|
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// set the size of the container |
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if ( this.options.resizesContainer ) { |
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var containerStyle = this[ '_' + layoutMode + 'GetContainerSize' ](); |
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this.styleQueue.push({ $el: this.element, style: containerStyle }); |
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} |
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this._processStyleQueue( $elems, callback ); |
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this.isLaidOut = true; |
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}, |
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_processStyleQueue : function( $elems, callback ) { |
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// are we animating the layout arrangement? |
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// use plugin-ish syntax for css or animate |
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var styleFn = !this.isLaidOut ? 'css' : ( |
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this.isUsingJQueryAnimation ? 'animate' : 'css' |
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), |
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animOpts = this.options.animationOptions, |
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objStyleFn, processor, |
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triggerCallbackNow, callbackFn; |
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|
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// default styleQueue processor, may be overwritten down below |
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processor = function( i, obj ) { |
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obj.$el[ styleFn ]( obj.style, animOpts ); |
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}; |
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|
|
if ( this._isInserting && this.isUsingJQueryAnimation ) { |
|
// if using styleQueue to insert items |
|
processor = function( i, obj ) { |
|
// only animate if it not being inserted |
|
objStyleFn = obj.$el.hasClass('no-transition') ? 'css' : styleFn; |
|
obj.$el[ objStyleFn ]( obj.style, animOpts ); |
|
}; |
|
|
|
} else if ( callback ) { |
|
// has callback |
|
var isCallbackTriggered = false, |
|
instance = this; |
|
triggerCallbackNow = true; |
|
// trigger callback only once |
|
callbackFn = function() { |
|
if ( isCallbackTriggered ) { |
|
return; |
|
} |
|
callback.call( instance.element, $elems ); |
|
isCallbackTriggered = true; |
|
}; |
|
|
|
if ( this.isUsingJQueryAnimation && styleFn === 'animate' ) { |
|
// add callback to animation options |
|
animOpts.complete = callbackFn; |
|
triggerCallbackNow = false; |
|
|
|
} else if ( Modernizr.csstransitions ) { |
|
// detect if first item has transition |
|
var i = 0, |
|
testElem = this.styleQueue[0].$el, |
|
styleObj; |
|
// get first non-empty jQ object |
|
while ( !testElem.length ) { |
|
styleObj = this.styleQueue[ i++ ]; |
|
// HACK: sometimes styleQueue[i] is undefined |
|
if ( !styleObj ) { |
|
return; |
|
} |
|
testElem = styleObj.$el; |
|
} |
|
// get transition duration of the first element in that object |
|
// yeah, this is inexact |
|
var duration = parseFloat( getComputedStyle( testElem[0] )[ transitionDurProp ] ); |
|
if ( duration > 0 ) { |
|
processor = function( i, obj ) { |
|
obj.$el[ styleFn ]( obj.style, animOpts ) |
|
// trigger callback at transition end |
|
.one( transitionEndEvent, callbackFn ); |
|
}; |
|
triggerCallbackNow = false; |
|
} |
|
} |
|
} |
|
|
|
// process styleQueue |
|
$.each( this.styleQueue, processor ); |
|
|
|
if ( triggerCallbackNow ) { |
|
callbackFn(); |
|
} |
|
|
|
// clear out queue for next time |
|
this.styleQueue = []; |
|
}, |
|
|
|
|
|
resize : function() { |
|
if ( this[ '_' + this.options.layoutMode + 'ResizeChanged' ]() ) { |
|
this.reLayout(); |
|
} |
|
}, |
|
|
|
|
|
reLayout : function( callback ) { |
|
|
|
this[ '_' + this.options.layoutMode + 'Reset' ](); |
|
this.layout( this.$filteredAtoms, callback ); |
|
|
|
}, |
|
|
|
// ====================== Convenience methods ====================== |
|
|
|
// ====================== Adding items ====================== |
|
|
|
// adds a jQuery object of items to a isotope container |
|
addItems : function( $content, callback ) { |
|
var $newAtoms = this._getAtoms( $content ); |
|
// add new atoms to atoms pools |
|
this.$allAtoms = this.$allAtoms.add( $newAtoms ); |
|
|
|
if ( callback ) { |
|
callback( $newAtoms ); |
|
} |
|
}, |
|
|
|
// convienence method for adding elements properly to any layout |
|
// positions items, hides them, then animates them back in <--- very sezzy |
|
insert : function( $content, callback ) { |
|
// position items |
|
this.element.append( $content ); |
|
|
|
var instance = this; |
|
this.addItems( $content, function( $newAtoms ) { |
|
var $newFilteredAtoms = instance._filter( $newAtoms, true ); |
|
instance._addHideAppended( $newFilteredAtoms ); |
|
instance._sort(); |
|
instance.reLayout(); |
|
instance._revealAppended( $newFilteredAtoms, callback ); |
|
}); |
|
|
|
}, |
|
|
|
// convienence method for working with Infinite Scroll |
|
appended : function( $content, callback ) { |
|
var instance = this; |
|
this.addItems( $content, function( $newAtoms ) { |
|
instance._addHideAppended( $newAtoms ); |
|
instance.layout( $newAtoms ); |
|
instance._revealAppended( $newAtoms, callback ); |
|
}); |
|
}, |
|
|
|
// adds new atoms, then hides them before positioning |
|
_addHideAppended : function( $newAtoms ) { |
|
this.$filteredAtoms = this.$filteredAtoms.add( $newAtoms ); |
|
$newAtoms.addClass('no-transition'); |
|
|
|
this._isInserting = true; |
|
|
|
// apply hidden styles |
|
this.styleQueue.push({ $el: $newAtoms, style: this.options.hiddenStyle }); |
|
}, |
|
|
|
// sets visible style on new atoms |
|
_revealAppended : function( $newAtoms, callback ) { |
|
var instance = this; |
|
// apply visible style after a sec |
|
setTimeout( function() { |
|
// enable animation |
|
$newAtoms.removeClass('no-transition'); |
|
// reveal newly inserted filtered elements |
|
instance.styleQueue.push({ $el: $newAtoms, style: instance.options.visibleStyle }); |
|
instance._isInserting = false; |
|
instance._processStyleQueue( $newAtoms, callback ); |
|
}, 10 ); |
|
}, |
|
|
|
// gathers all atoms |
|
reloadItems : function() { |
|
this.$allAtoms = this._getAtoms( this.element.children() ); |
|
}, |
|
|
|
// removes elements from Isotope widget |
|
remove : function( $content ) { |
|
|
|
this.$allAtoms = this.$allAtoms.not( $content ); |
|
this.$filteredAtoms = this.$filteredAtoms.not( $content ); |
|
|
|
$content.remove(); |
|
|
|
}, |
|
|
|
shuffle : function( callback ) { |
|
this.updateSortData( this.$allAtoms ); |
|
this.options.sortBy = 'random'; |
|
this._sort(); |
|
this.reLayout( callback ); |
|
}, |
|
|
|
// destroys widget, returns elements and container back (close) to original style |
|
destroy : function() { |
|
|
|
var usingTransforms = this.usingTransforms; |
|
|
|
this.$allAtoms |
|
.removeClass( this.options.hiddenClass + ' ' + this.options.itemClass ) |
|
.each(function(){ |
|
this.style.position = ''; |
|
this.style.top = ''; |
|
this.style.left = ''; |
|
this.style.opacity = ''; |
|
if ( usingTransforms ) { |
|
this.style[ transformProp ] = ''; |
|
} |
|
}); |
|
|
|
// re-apply saved container styles |
|
var elemStyle = this.element[0].style; |
|
for ( var i=0, len = isoContainerStyles.length; i < len; i++ ) { |
|
var prop = isoContainerStyles[i]; |
|
elemStyle[ prop ] = this.originalStyle[ prop ]; |
|
} |
|
|
|
this.element |
|
.unbind('.isotope') |
|
.undelegate( '.' + this.options.hiddenClass, 'click' ) |
|
.removeClass( this.options.containerClass ) |
|
.removeData('isotope'); |
|
|
|
$(window).unbind('.isotope'); |
|
|
|
}, |
|
|
|
|
|
// ====================== LAYOUTS ====================== |
|
|
|
// calculates number of rows or columns |
|
// requires columnWidth or rowHeight to be set on namespaced object |
|
// i.e. this.masonry.columnWidth = 200 |
|
_getSegments : function( isRows ) { |
|
var namespace = this.options.layoutMode, |
|
measure = isRows ? 'rowHeight' : 'columnWidth', |
|
size = isRows ? 'height' : 'width', |
|
segmentsName = isRows ? 'rows' : 'cols', |
|
containerSize = this.element[ size ](), |
|
segments, |
|
// i.e. options.masonry && options.masonry.columnWidth |
|
segmentSize = this.options[ namespace ] && this.options[ namespace ][ measure ] || |
|
// or use the size of the first item, i.e. outerWidth |
|
this.$filteredAtoms[ 'outer' + capitalize(size) ](true) || |
|
// if there's no items, use size of container |
|
containerSize; |
|
|
|
segments = Math.floor( containerSize / segmentSize ); |
|
segments = Math.max( segments, 1 ); |
|
|
|
// i.e. this.masonry.cols = .... |
|
this[ namespace ][ segmentsName ] = segments; |
|
// i.e. this.masonry.columnWidth = ... |
|
this[ namespace ][ measure ] = segmentSize; |
|
|
|
}, |
|
|
|
_checkIfSegmentsChanged : function( isRows ) { |
|
var namespace = this.options.layoutMode, |
|
segmentsName = isRows ? 'rows' : 'cols', |
|
prevSegments = this[ namespace ][ segmentsName ]; |
|
// update cols/rows |
|
this._getSegments( isRows ); |
|
// return if updated cols/rows is not equal to previous |
|
return ( this[ namespace ][ segmentsName ] !== prevSegments ); |
|
}, |
|
|
|
// ====================== Masonry ====================== |
|
|
|
_masonryReset : function() { |
|
// layout-specific props |
|
this.masonry = {}; |
|
// FIXME shouldn't have to call this again |
|
this._getSegments(); |
|
var i = this.masonry.cols; |
|
this.masonry.colYs = []; |
|
while (i--) { |
|
this.masonry.colYs.push( 0 ); |
|
} |
|
}, |
|
|
|
_masonryLayout : function( $elems ) { |
|
var instance = this, |
|
props = instance.masonry; |
|
$elems.each(function(){ |
|
var $this = $(this), |
|
//how many columns does this brick span |
|
colSpan = Math.ceil( $this.outerWidth(true) / props.columnWidth ); |
|
colSpan = Math.min( colSpan, props.cols ); |
|
|
|
if ( colSpan === 1 ) { |
|
// if brick spans only one column, just like singleMode |
|
instance._masonryPlaceBrick( $this, props.colYs ); |
|
} else { |
|
// brick spans more than one column |
|
// how many different places could this brick fit horizontally |
|
var groupCount = props.cols + 1 - colSpan, |
|
groupY = [], |
|
groupColY, |
|
i; |
|
|
|
// for each group potential horizontal position |
|
for ( i=0; i < groupCount; i++ ) { |
|
// make an array of colY values for that one group |
|
groupColY = props.colYs.slice( i, i+colSpan ); |
|
// and get the max value of the array |
|
groupY[i] = Math.max.apply( Math, groupColY ); |
|
} |
|
|
|
instance._masonryPlaceBrick( $this, groupY ); |
|
} |
|
}); |
|
}, |
|
|
|
// worker method that places brick in the columnSet |
|
// with the the minY |
|
_masonryPlaceBrick : function( $brick, setY ) { |
|
// get the minimum Y value from the columns |
|
var minimumY = Math.min.apply( Math, setY ), |
|
shortCol = 0; |
|
|
|
// Find index of short column, the first from the left |
|
for (var i=0, len = setY.length; i < len; i++) { |
|
if ( setY[i] === minimumY ) { |
|
shortCol = i; |
|
break; |
|
} |
|
} |
|
|
|
// position the brick |
|
var x = this.masonry.columnWidth * shortCol, |
|
y = minimumY; |
|
this._pushPosition( $brick, x, y ); |
|
|
|
// apply setHeight to necessary columns |
|
var setHeight = minimumY + $brick.outerHeight(true), |
|
setSpan = this.masonry.cols + 1 - len; |
|
for ( i=0; i < setSpan; i++ ) { |
|
this.masonry.colYs[ shortCol + i ] = setHeight; |
|
} |
|
|
|
}, |
|
|
|
_masonryGetContainerSize : function() { |
|
var containerHeight = Math.max.apply( Math, this.masonry.colYs ); |
|
return { height: containerHeight }; |
|
}, |
|
|
|
_masonryResizeChanged : function() { |
|
return this._checkIfSegmentsChanged(); |
|
}, |
|
|
|
// ====================== fitRows ====================== |
|
|
|
_fitRowsReset : function() { |
|
this.fitRows = { |
|
x : 0, |
|
y : 0, |
|
height : 0 |
|
}; |
|
}, |
|
|
|
_fitRowsLayout : function( $elems ) { |
|
var instance = this, |
|
containerWidth = this.element.width(), |
|
props = this.fitRows; |
|
|
|
$elems.each( function() { |
|
var $this = $(this), |
|
atomW = $this.outerWidth(true), |
|
atomH = $this.outerHeight(true); |
|
|
|
if ( props.x !== 0 && atomW + props.x > containerWidth ) { |
|
// if this element cannot fit in the current row |
|
props.x = 0; |
|
props.y = props.height; |
|
} |
|
|
|
// position the atom |
|
instance._pushPosition( $this, props.x, props.y ); |
|
|
|
props.height = Math.max( props.y + atomH, props.height ); |
|
props.x += atomW; |
|
|
|
}); |
|
}, |
|
|
|
_fitRowsGetContainerSize : function () { |
|
return { height : this.fitRows.height }; |
|
}, |
|
|
|
_fitRowsResizeChanged : function() { |
|
return true; |
|
}, |
|
|
|
|
|
// ====================== cellsByRow ====================== |
|
|
|
_cellsByRowReset : function() { |
|
this.cellsByRow = { |
|
index : 0 |
|
}; |
|
// get this.cellsByRow.columnWidth |
|
this._getSegments(); |
|
// get this.cellsByRow.rowHeight |
|
this._getSegments(true); |
|
}, |
|
|
|
_cellsByRowLayout : function( $elems ) { |
|
var instance = this, |
|
props = this.cellsByRow; |
|
$elems.each( function(){ |
|
var $this = $(this), |
|
col = props.index % props.cols, |
|
row = Math.floor( props.index / props.cols ), |
|
x = Math.round( ( col + 0.5 ) * props.columnWidth - $this.outerWidth(true) / 2 ), |
|
y = Math.round( ( row + 0.5 ) * props.rowHeight - $this.outerHeight(true) / 2 ); |
|
instance._pushPosition( $this, x, y ); |
|
props.index ++; |
|
}); |
|
}, |
|
|
|
_cellsByRowGetContainerSize : function() { |
|
return { height : Math.ceil( this.$filteredAtoms.length / this.cellsByRow.cols ) * this.cellsByRow.rowHeight + this.offset.top }; |
|
}, |
|
|
|
_cellsByRowResizeChanged : function() { |
|
return this._checkIfSegmentsChanged(); |
|
}, |
|
|
|
|
|
// ====================== straightDown ====================== |
|
|
|
_straightDownReset : function() { |
|
this.straightDown = { |
|
y : 0 |
|
}; |
|
}, |
|
|
|
_straightDownLayout : function( $elems ) { |
|
var instance = this; |
|
$elems.each( function( i ){ |
|
var $this = $(this); |
|
instance._pushPosition( $this, 0, instance.straightDown.y ); |
|
instance.straightDown.y += $this.outerHeight(true); |
|
}); |
|
}, |
|
|
|
_straightDownGetContainerSize : function() { |
|
return { height : this.straightDown.y }; |
|
}, |
|
|
|
_straightDownResizeChanged : function() { |
|
return true; |
|
}, |
|
|
|
|
|
// ====================== masonryHorizontal ====================== |
|
|
|
_masonryHorizontalReset : function() { |
|
// layout-specific props |
|
this.masonryHorizontal = {}; |
|
// FIXME shouldn't have to call this again |
|
this._getSegments( true ); |
|
var i = this.masonryHorizontal.rows; |
|
this.masonryHorizontal.rowXs = []; |
|
while (i--) { |
|
this.masonryHorizontal.rowXs.push( 0 ); |
|
} |
|
}, |
|
|
|
_masonryHorizontalLayout : function( $elems ) { |
|
var instance = this, |
|
props = instance.masonryHorizontal; |
|
$elems.each(function(){ |
|
var $this = $(this), |
|
//how many rows does this brick span |
|
rowSpan = Math.ceil( $this.outerHeight(true) / props.rowHeight ); |
|
rowSpan = Math.min( rowSpan, props.rows ); |
|
|
|
if ( rowSpan === 1 ) { |
|
// if brick spans only one column, just like singleMode |
|
instance._masonryHorizontalPlaceBrick( $this, props.rowXs ); |
|
} else { |
|
// brick spans more than one row |
|
// how many different places could this brick fit horizontally |
|
var groupCount = props.rows + 1 - rowSpan, |
|
groupX = [], |
|
groupRowX, i; |
|
|
|
// for each group potential horizontal position |
|
for ( i=0; i < groupCount; i++ ) { |
|
// make an array of colY values for that one group |
|
groupRowX = props.rowXs.slice( i, i+rowSpan ); |
|
// and get the max value of the array |
|
groupX[i] = Math.max.apply( Math, groupRowX ); |
|
} |
|
|
|
instance._masonryHorizontalPlaceBrick( $this, groupX ); |
|
} |
|
}); |
|
}, |
|
|
|
_masonryHorizontalPlaceBrick : function( $brick, setX ) { |
|
// get the minimum Y value from the columns |
|
var minimumX = Math.min.apply( Math, setX ), |
|
smallRow = 0; |
|
// Find index of smallest row, the first from the top |
|
for (var i=0, len = setX.length; i < len; i++) { |
|
if ( setX[i] === minimumX ) { |
|
smallRow = i; |
|
break; |
|
} |
|
} |
|
|
|
// position the brick |
|
var x = minimumX, |
|
y = this.masonryHorizontal.rowHeight * smallRow; |
|
this._pushPosition( $brick, x, y ); |
|
|
|
// apply setHeight to necessary columns |
|
var setWidth = minimumX + $brick.outerWidth(true), |
|
setSpan = this.masonryHorizontal.rows + 1 - len; |
|
for ( i=0; i < setSpan; i++ ) { |
|
this.masonryHorizontal.rowXs[ smallRow + i ] = setWidth; |
|
} |
|
}, |
|
|
|
_masonryHorizontalGetContainerSize : function() { |
|
var containerWidth = Math.max.apply( Math, this.masonryHorizontal.rowXs ); |
|
return { width: containerWidth }; |
|
}, |
|
|
|
_masonryHorizontalResizeChanged : function() { |
|
return this._checkIfSegmentsChanged(true); |
|
}, |
|
|
|
|
|
// ====================== fitColumns ====================== |
|
|
|
_fitColumnsReset : function() { |
|
this.fitColumns = { |
|
x : 0, |
|
y : 0, |
|
width : 0 |
|
}; |
|
}, |
|
|
|
_fitColumnsLayout : function( $elems ) { |
|
var instance = this, |
|
containerHeight = this.element.height(), |
|
props = this.fitColumns; |
|
$elems.each( function() { |
|
var $this = $(this), |
|
atomW = $this.outerWidth(true), |
|
atomH = $this.outerHeight(true); |
|
|
|
if ( props.y !== 0 && atomH + props.y > containerHeight ) { |
|
// if this element cannot fit in the current column |
|
props.x = props.width; |
|
props.y = 0; |
|
} |
|
|
|
// position the atom |
|
instance._pushPosition( $this, props.x, props.y ); |
|
|
|
props.width = Math.max( props.x + atomW, props.width ); |
|
props.y += atomH; |
|
|
|
}); |
|
}, |
|
|
|
_fitColumnsGetContainerSize : function () { |
|
return { width : this.fitColumns.width }; |
|
}, |
|
|
|
_fitColumnsResizeChanged : function() { |
|
return true; |
|
}, |
|
|
|
|
|
|
|
// ====================== cellsByColumn ====================== |
|
|
|
_cellsByColumnReset : function() { |
|
this.cellsByColumn = { |
|
index : 0 |
|
}; |
|
// get this.cellsByColumn.columnWidth |
|
this._getSegments(); |
|
// get this.cellsByColumn.rowHeight |
|
this._getSegments(true); |
|
}, |
|
|
|
_cellsByColumnLayout : function( $elems ) { |
|
var instance = this, |
|
props = this.cellsByColumn; |
|
$elems.each( function(){ |
|
var $this = $(this), |
|
col = Math.floor( props.index / props.rows ), |
|
row = props.index % props.rows, |
|
x = Math.round( ( col + 0.5 ) * props.columnWidth - $this.outerWidth(true) / 2 ), |
|
y = Math.round( ( row + 0.5 ) * props.rowHeight - $this.outerHeight(true) / 2 ); |
|
instance._pushPosition( $this, x, y ); |
|
props.index ++; |
|
}); |
|
}, |
|
|
|
_cellsByColumnGetContainerSize : function() { |
|
return { width : Math.ceil( this.$filteredAtoms.length / this.cellsByColumn.rows ) * this.cellsByColumn.columnWidth }; |
|
}, |
|
|
|
_cellsByColumnResizeChanged : function() { |
|
return this._checkIfSegmentsChanged(true); |
|
}, |
|
|
|
// ====================== straightAcross ====================== |
|
|
|
_straightAcrossReset : function() { |
|
this.straightAcross = { |
|
x : 0 |
|
}; |
|
}, |
|
|
|
_straightAcrossLayout : function( $elems ) { |
|
var instance = this; |
|
$elems.each( function( i ){ |
|
var $this = $(this); |
|
instance._pushPosition( $this, instance.straightAcross.x, 0 ); |
|
instance.straightAcross.x += $this.outerWidth(true); |
|
}); |
|
}, |
|
|
|
_straightAcrossGetContainerSize : function() { |
|
return { width : this.straightAcross.x }; |
|
}, |
|
|
|
_straightAcrossResizeChanged : function() { |
|
return true; |
|
} |
|
|
|
}; |
|
|
|
|
|
// ======================= imagesLoaded Plugin =============================== |
|
/*! |
|
* jQuery imagesLoaded plugin v1.0.3 |
|
* http://github.com/desandro/imagesloaded |
|
* |
|
* MIT License. by Paul Irish et al. |
|
*/ |
|
|
|
|
|
// $('#my-container').imagesLoaded(myFunction) |
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// or |
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// $('img').imagesLoaded(myFunction) |
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|
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// execute a callback when all images have loaded. |
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// needed because .load() doesn't work on cached images |
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|
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// callback function gets image collection as argument |
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// `this` is the container |
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|
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$.fn.imagesLoaded = function( callback ) { |
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var $this = this, |
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$images = $this.find('img').add( $this.filter('img') ), |
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len = $images.length, |
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blank = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw=='; |
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|
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function triggerCallback() { |
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callback.call( $this, $images ); |
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} |
|
|
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function imgLoaded( event ) { |
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if ( --len <= 0 && event.target.src !== blank ){ |
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setTimeout( triggerCallback ); |
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$images.unbind( 'load error', imgLoaded ); |
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} |
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} |
|
|
|
if ( !len ) { |
|
triggerCallback(); |
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} |
|
|
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$images.bind( 'load error', imgLoaded ).each( function() { |
|
// cached images don't fire load sometimes, so we reset src. |
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if (this.complete || this.complete === undefined){ |
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var src = this.src; |
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// webkit hack from http://groups.google.com/group/jquery-dev/browse_thread/thread/eee6ab7b2da50e1f |
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// data uri bypasses webkit log warning (thx doug jones) |
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this.src = blank; |
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this.src = src; |
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} |
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}); |
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|
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return $this; |
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}; |
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|
|
|
|
// helper function for logging errors |
|
// $.error breaks jQuery chaining |
|
var logError = function( message ) { |
|
if ( window.console ) { |
|
window.console.error( message ); |
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} |
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}; |
|
|
|
// ======================= Plugin bridge =============================== |
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// leverages data method to either create or return $.Isotope constructor |
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// A bit from jQuery UI |
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// https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.widget.js |
|
// A bit from jcarousel |
|
// https://github.com/jsor/jcarousel/blob/master/lib/jquery.jcarousel.js |
|
|
|
$.fn.isotope = function( options, callback ) { |
|
if ( typeof options === 'string' ) { |
|
// call method |
|
var args = Array.prototype.slice.call( arguments, 1 ); |
|
|
|
this.each(function(){ |
|
var instance = $.data( this, 'isotope' ); |
|
if ( !instance ) { |
|
logError( "cannot call methods on isotope prior to initialization; " + |
|
"attempted to call method '" + options + "'" ); |
|
return; |
|
} |
|
if ( !$.isFunction( instance[options] ) || options.charAt(0) === "_" ) { |
|
logError( "no such method '" + options + "' for isotope instance" ); |
|
return; |
|
} |
|
// apply method |
|
instance[ options ].apply( instance, args ); |
|
}); |
|
} else { |
|
this.each(function() { |
|
var instance = $.data( this, 'isotope' ); |
|
if ( instance ) { |
|
// apply options & init |
|
instance.option( options ); |
|
instance._init( callback ); |
|
} else { |
|
// initialize new instance |
|
$.data( this, 'isotope', new $.Isotope( options, this, callback ) ); |
|
} |
|
}); |
|
} |
|
// return jQuery object |
|
// so plugin methods do not have to |
|
return this; |
|
}; |
|
|
|
})( window, jQuery ); |