http://www.usinpac.com/wp-content/themes/thegem/js/jquery.dlmenu.js?ver=5.3.25

1/**
2 * jquery.dlmenu.js v1.0.1
3 * http://www.codrops.com
4 *
5 * Licensed under the MIT license.
6 * http://www.opensource.org/licenses/mit-license.php
7 *
8 * Copyright 2013, Codrops
9 * http://www.codrops.com
10 */
11;( function( $, window, undefined ) {
12
13	'use strict';
14
15	// global
16	var $body = $( 'body' );
17
18	$.DLMenu = function( options, element ) {
19		this.$el = $( element );
20		this._init( options );
21	};
22
23	// the options
24	$.DLMenu.defaults = {
25		// classes for the animation effects
26		animationClasses : { classin : 'dl-animate-in-1', classout : 'dl-animate-out-1' },
27		// callback: click a link that has a sub menu
28		// el is the link element (li); name is the level name
29		onLevelClick : function( el, name ) { return false; },
30		// callback: click a link that does not have a sub menu
31		// el is the link element (li); ev is the event obj
32		onLinkClick : function( el, ev ) { return false; },
33		backLabel: 'Back',
34		showCurrentLabel: 'Show this page',
35		// Change to "true" to use the active item as back link label.
36		useActiveItemAsBackLabel: false,
37		// Change to "true" to add a navigable link to the active item to its child
38		// menu.
39		useActiveItemAsLink: true
40	};
41
42	$.DLMenu.prototype = {
43		_init : function( options ) {
44
45			// options
46			this.options = $.extend( true, {}, $.DLMenu.defaults, options );
47			// cache some elements and initialize some variables
48			this._config();
49
50			var animEndEventNames = {
51					'WebkitAnimation' : 'webkitAnimationEnd',
52					'OAnimation' : 'oAnimationEnd',
53					'msAnimation' : 'MSAnimationEnd',
54					'animation' : 'animationend',
55					"MozAnimation" : "animationend"
56				},
57				transEndEventNames = {
58					'WebkitTransition' : 'webkitTransitionEnd',
59					'MozTransition' : 'transitionend',
60					'OTransition' : 'oTransitionEnd',
61					'msTransition' : 'MSTransitionEnd',
62					'transition' : 'transitionend'
63				};
64
65			// animation end event name
66			if (animEndEventNames[ window.supportedAnimation ] != undefined) {
67				this.animEndEventName = animEndEventNames[ window.supportedAnimation ] + '.dlmenu';
68			} else {
69				this.animEndEventName = animEndEventNames[ 'animation' ] + '.dlmenu';
70			}
71			// transition end event name
72			if (transEndEventNames[ window.supportedTransition ] != undefined) {
73				this.transEndEventName = transEndEventNames[ window.supportedTransition ] + '.dlmenu';
74			} else {
75				this.transEndEventName = transEndEventNames[ 'transition' ] + '.dlmenu';
76			}
77			// support for css animations and css transitions
78			this.supportAnimations = window.supportsAnimations;
79			this.supportTransitions = window.supportsTransitions;
80
81			this._initEvents();
82
83		},
84		_config : function() {
85			var self = this;
86			this.open = false;
87			this.$trigger = this.$el.children( '.dl-trigger' );
88			this.$menu = this.$el.children( 'ul.dl-menu' );
89			this.$menuitems = this.$menu.find( 'li:not(.dl-back)' );
90			this.$el.find( 'ul.dl-submenu' ).prepend( '<li class="dl-back"><a href="#">' + this.options.backLabel + '</a></li>' );
91			this.$back = this.$menu.find( 'li.dl-back' );
92
93			// Set the label text for the back link.
94			if (this.options.useActiveItemAsBackLabel) {
95				this.$back.each(function() {
96					var $this = $(this),
97						parentLabel = $this.parents('li:first').find('a:first').text();
98
99					$this.find('a').html(parentLabel);
100				});
101			}
102			// If the active item should also be a clickable link, create one and put
103			// it at the top of our menu.
104			if (this.options.useActiveItemAsLink) {
105				this.$el.find( 'ul.dl-submenu' ).prepend(function() {
106					var activeLi = $(this).parents('li:not(.dl-back):first');
107					var parentli = activeLi.find('a:first');
108					if (activeLi.hasClass('mobile-clickable'))
109						return '<li class="dl-parent"><a href="' + parentli.attr('href') + '">' + self.options.showCurrentLabel + '</a></li>';
110					else
111						return '';
112				});
113			}
114
115		},
116		_initEvents : function() {
117
118			var self = this;
119
120			this.$trigger.on( 'click.dlmenu', function() {
121				if( self.open ) {
122					self._closeMenu();
123				}
124				else {
125					self._openMenu();
126					// clicking somewhere else makes the menu close
127					$body.off( 'click' ).children().on( 'click.dlmenu', function() {
128						self._closeMenu() ;
129					} );
130
131				}
132				return false;
133			} );
134
135			this.$menuitems.on( 'click.dlmenu', function( event ) {
136
137				event.stopPropagation();
138
139				var $item = $(this),
140					$submenu = $item.children( 'ul.dl-submenu' );
141
142				// Only go to the next menu level if one exists AND the link isn't the
143				// one we added specifically for navigating to parent item pages.
144				if( ($submenu.length > 0) && !($(event.currentTarget).hasClass('dl-subviewopen'))) {
145
146					var $flyin = $submenu.clone().css( 'opacity', 0 ).insertAfter( self.$menu ),
147						onAnimationEndFn = function() {
148							self.$menu.off( self.animEndEventName ).removeClass( self.options.animationClasses.classout ).addClass( 'dl-subview' );
149							$item.addClass( 'dl-subviewopen' ).parents( '.dl-subviewopen:first' ).removeClass( 'dl-subviewopen' ).addClass( 'dl-subview' );
150							$flyin.remove();
151						};
152
153					setTimeout( function() {
154						$flyin.addClass( self.options.animationClasses.classin );
155						self.$menu.addClass( self.options.animationClasses.classout );
156						if( self.supportAnimations ) {
157							self.$menu.on( self.animEndEventName, onAnimationEndFn );
158						}
159						else {
160							onAnimationEndFn.call();
161						}
162
163						self.options.onLevelClick( $item, $item.children( 'a:first' ).text() );
164					} );
165
166					return false;
167
168				}
169				else {
170					self.options.onLinkClick( $item, event );
171				}
172
173			} );
174
175			this.$back.on( 'click.dlmenu', function( event ) {
176
177				var $this = $( this ),
178					$submenu = $this.parents( 'ul.dl-submenu:first' ),
179					$item = $submenu.parent(),
180
181					$flyin = $submenu.clone().insertAfter( self.$menu );
182
183				var onAnimationEndFn = function() {
184					self.$menu.off( self.animEndEventName ).removeClass( self.options.animationClasses.classin );
185					$flyin.remove();
186				};
187
188				setTimeout( function() {
189					$flyin.addClass( self.options.animationClasses.classout );
190					self.$menu.addClass( self.options.animationClasses.classin );
191					if( self.supportAnimations ) {
192						self.$menu.on( self.animEndEventName, onAnimationEndFn );
193					}
194					else {
195						onAnimationEndFn.call();
196					}
197
198					$item.removeClass( 'dl-subviewopen' );
199
200					var $subview = $this.parents( '.dl-subview:first' );
201					if( $subview.is( 'li' ) ) {
202						$subview.addClass( 'dl-subviewopen' );
203					}
204					$subview.removeClass( 'dl-subview' );
205				} );
206
207				return false;
208
209			} );
210
211		},
212		closeMenu : function() {
213			if( this.open ) {
214				this._closeMenu();
215			}
216		},
217		_closeMenu : function() {
218			var self = this,
219				onTransitionEndFn = function() {
220					self.$menu.off( self.transEndEventName );
221					self._resetMenu();
222				};
223
224			this.$menu.removeClass( 'dl-menuopen' );
225			this.$menu.addClass( 'dl-menu-toggle' );
226			this.$trigger.removeClass( 'dl-active' );
227
228			if( this.supportTransitions ) {
229				this.$menu.on( this.transEndEventName, onTransitionEndFn );
230			}
231			else {
232				onTransitionEndFn.call();
233			}
234
235			this.open = false;
236		},
237		openMenu : function() {
238			if( !this.open ) {
239				this._openMenu();
240			}
241		},
242		_openMenu : function() {
243			var self = this;
244			// clicking somewhere else makes the menu close
245			$body.off( 'click' ).on( 'click.dlmenu', function() {
246				self._closeMenu() ;
247			} );
248			this.$menu.addClass( 'dl-menuopen dl-menu-toggle' ).on( this.transEndEventName, function() {
249				$( this ).removeClass( 'dl-menu-toggle' );
250			} );
251			this.$trigger.addClass( 'dl-active' );
252			this.open = true;
253		},
254		// resets the menu to its original state (first level of options)
255		_resetMenu : function() {
256			this.$menu.removeClass( 'dl-subview' );
257			this.$menuitems.removeClass( 'dl-subview dl-subviewopen' );
258		}
259	};
260
261	var logError = function( message ) {
262		if ( window.console ) {
263			window.console.error( message );
264		}
265	};
266
267	$.fn.dlmenu = function( options ) {
268		if ( typeof options === 'string' ) {
269			var args = Array.prototype.slice.call( arguments, 1 );
270			this.each(function() {
271				var instance = $.data( this, 'dlmenu' );
272				if ( !instance ) {
273					logError( "cannot call methods on dlmenu prior to initialization; " +
274					"attempted to call method '" + options + "'" );
275					return;
276				}
277				if ( !$.isFunction( instance[options] ) || options.charAt(0) === "_" ) {
278					logError( "no such method '" + options + "' for dlmenu instance" );
279					return;
280				}
281				instance[ options ].apply( instance, args );
282			});
283		}
284		else {
285			this.each(function() {
286				var instance = $.data( this, 'dlmenu' );
287				if ( instance ) {
288					instance._init();
289				}
290				else {
291					instance = $.data( this, 'dlmenu', new $.DLMenu( options, this ) );
292				}
293			});
294		}
295		return this;
296	};
297
298} )( jQuery, window );