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/** |
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* cbpFWTabs.js v1.0.0 |
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* http://www.codrops.com |
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* |
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* Licensed under the MIT license. |
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* http://www.opensource.org/licenses/mit-license.php |
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* |
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* Copyright 2014, Codrops |
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* http://www.codrops.com |
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*/ |
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;( function( window ) { |
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|
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'use strict'; |
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|
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function extend( a, b ) { |
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for( var key in b ) { |
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if( b.hasOwnProperty( key ) ) { |
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a[key] = b[key]; |
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} |
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} |
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return a; |
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} |
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|
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function CBPFWTabs( el, options ) { |
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this.el = el; |
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this.options = extend( {}, this.options ); |
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extend( this.options, options ); |
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this._init(); |
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} |
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|
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CBPFWTabs.prototype.options = { |
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start : 0 |
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}; |
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|
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CBPFWTabs.prototype._init = function() { |
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// tabs elems |
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this.tabs = [].slice.call( this.el.querySelectorAll( 'nav > ul > li' ) ); |
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// content items |
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this.items = [].slice.call( this.el.querySelectorAll( '.content-wrap > section' ) ); |
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// current index |
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this.current = -1; |
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// show current content item |
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this._show(); |
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// init events |
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this._initEvents(); |
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}; |
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|
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CBPFWTabs.prototype._initEvents = function() { |
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var self = this; |
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this.tabs.forEach( function( tab, idx ) { |
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tab.addEventListener( 'click', function( ev ) { |
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ev.preventDefault(); |
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self._show( idx ); |
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} ); |
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} ); |
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}; |
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|
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CBPFWTabs.prototype._show = function( idx ) { |
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if( this.current >= 0 ) { |
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this.tabs[ this.current ].className = ''; |
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if( this.items[ this.current ] ) { |
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this.items[ this.current ].className = ''; |
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} |
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} |
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// change current |
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this.current = idx != undefined ? idx : this.options.start >= 0 && this.options.start < this.items.length ? this.options.start : 0; |
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this.tabs[ this.current ].className = 'tab-current'; |
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var sectionSelector = this.tabs[ this.current ].getAttribute( 'data-section' ); |
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var section = sectionSelector ? this.el.querySelector( sectionSelector ) : this.items[ this.current ]; |
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if( section ) { |
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section.className = 'content-current'; |
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} |
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}; |
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|
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// add to global namespace |
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window.CBPFWTabs = CBPFWTabs; |
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|
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})( window ); |
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|
