core/skin/virtual-nt.ru/js/themejs/pathLoader.js

/*!!
 * classie - class helper functions
 * from bonzo https://github.com/ded/bonzo
 * 
 * classie.has( elem, 'my-class' ) -> true/false
 * classie.add( elem, 'my-new-class' )
 * classie.remove( elem, 'my-unwanted-class' )
 * classie.toggle( elem, 'my-class' )
 */

/*jshint browser: true, strict: true, undef: true */
/*global define: false */

( function( window ) {

'use strict';

// class helper functions from bonzo https://github.com/ded/bonzo

function classReg( className ) {
  return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
}

// classList support for class management
// altho to be fair, the api sucks because it won't accept multiple classes at once
var hasClass, addClass, removeClass;

if ( 'classList' in document.documentElement ) {
  hasClass = function( elem, c ) {
    return elem.classList.contains( c );
  };
  addClass = function( elem, c ) {
    elem.classList.add( c );
  };
  removeClass = function( elem, c ) {
    elem.classList.remove( c );
  };
}
else {
  hasClass = function( elem, c ) {
    return classReg( c ).test( elem.className );
  };
  addClass = function( elem, c ) {
    if ( !hasClass( elem, c ) ) {
      elem.className = elem.className + ' ' + c;
    }
  };
  removeClass = function( elem, c ) {
    elem.className = elem.className.replace( classReg( c ), ' ' );
  };
}

function toggleClass( elem, c ) {
  var fn = hasClass( elem, c ) ? removeClass : addClass;
  fn( elem, c );
}

var classie = {
  // full names
  hasClass: hasClass,
  addClass: addClass,
  removeClass: removeClass,
  toggleClass: toggleClass,
  // short names
  has: hasClass,
  add: addClass,
  remove: removeClass,
  toggle: toggleClass
};

// transport
if ( typeof define === 'function' && define.amd ) {
  // AMD
  define( classie );
} else {
  // browser global
  window.classie = classie;
}

})( window );
/**
 * pathLoader.js v1.0.0
 * http://www.codrops.com
 *
 * Licensed under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * Copyright 2014, Codrops
 * http://www.codrops.com
 */
// ( function( window ) {
	
// 	'use strict';

// 	function PathLoader( el ) {
// 		this.el = el;
// 		// clear stroke
// 		this.el.style.strokeDasharray = this.el.style.strokeDashoffset = this.el.getTotalLength();
// 	}

// 	PathLoader.prototype._draw = function( val ) {
// 		this.el.style.strokeDashoffset = this.el.getTotalLength() * ( 1 - val );
// 	}

// 	PathLoader.prototype.setProgress = function( val, callback ) {
// 		this._draw(val);
// 		if( callback && typeof callback === 'function' ) {
// 			// give it a time (ideally the same like the transition time) so that the last progress increment animation is still visible.
// 			setTimeout( callback, 200 );
// 		}
// 	}

// 	PathLoader.prototype.setProgressFn = function( fn ) {
// 		if( typeof fn === 'function' ) { fn( this ); }
// 	}

// 	// add to global namespace
// 	window.PathLoader = PathLoader;

// })( window );
// (function() {
//   var $width = jQuery(this).width();
// 	var support = { animations : Modernizr.cssanimations },
// 		container = document.getElementById( 'wrapper' ),
// 		//container = ('body'),
// 		header = container.querySelector( '.ip-header' );
// 		var loader = new PathLoader( document.getElementById( 'ip-loader-circle' ) );
// 		var animEndEventNames = { 'WebkitAnimation' : 'webkitAnimationEnd', 'OAnimation' : 'oAnimationEnd', 'msAnimation' : 'MSAnimationEnd', 'animation' : 'animationend' };  
// 		// animation end event name
// 		var animEndEventName = animEndEventNames[ Modernizr.prefixed( 'animation' ) ];

// 	function init() {
// 		var onEndInitialAnimation = function() {
// 			if( support.animations ) {
// 				this.removeEventListener( animEndEventName, onEndInitialAnimation );
// 			}

// 			startLoading();
// 		};

// 		// disable scrolling
// 		window.addEventListener( 'scroll', noscroll );

// 		// initial animation
// 		classie.add( container, 'loading' );

// 		if( support.animations ) {
// 			container.addEventListener( animEndEventName, onEndInitialAnimation );
// 		}
// 		else {
// 			onEndInitialAnimation();
// 		}
// 	}

// 	function startLoading() {
// 		// simulate loading something..
// 		var simulationFn = function(instance) {
// 			var progress = 0,
// 				interval = setInterval( function() {
// 					progress = Math.min( progress + Math.random() * 0.1, 1 );

// 					instance.setProgress( progress );

// 					// reached the end
// 					if( progress === 1 ) {
// 						classie.remove( container, 'loading' );
// 						classie.add( container, 'loaded' );
// 						clearInterval( interval );

// 						var onEndHeaderAnimation = function(ev) {
// 							if( support.animations ) {
// 								if( ev.target !== header ) return;
// 								this.removeEventListener( animEndEventName, onEndHeaderAnimation );
// 							}

// 							classie.add( document.body, 'layout-switch' );
// 							window.removeEventListener( 'scroll', noscroll );
// 						};

// 						if( support.animations ) {
// 							header.addEventListener( animEndEventName, onEndHeaderAnimation );
// 						}
// 						else {
// 							onEndHeaderAnimation();
// 						}
// 					}
// 				}, 80 );
// 		};

// 		loader.setProgressFn( simulationFn );
// 	}
	
// 	function noscroll() {
// 		window.scrollTo( 0, 0 );
// 	}

// 	init();

// })();