https://frieda-kaffeebar.de/wp-content/themes/thegem/js/jquery.dlmenu.js?ver=5.7.0

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.hasClass('primary-navigation') && $('#perspective-menu-buttons').length > 0 ? $('#perspective-menu-buttons .dl-trigger') : this.$el.find( '.dl-trigger:first' );
88			this.$menu = this.$el.find( 'ul.dl-menu:first' );
89			this.$menuitems = this.$menu.find( 'li:not(.dl-back):not(.not-dlmenu)' );
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				//event.preventDefault();
139
140				var $item = $(this),
141					$submenu = $item.children( 'ul.dl-submenu' ),
142					level = 1;
143
144				if (!self.$menu.hasClass( 'dl-menuopen')) {
145					self.options.onLinkClick( $item, event );
146					return;
147				}
148
149				var $itemList = $item.parent();
150				while ($itemList.attr('id') != 'primary-menu') {
151					if ($itemList[0].nodeName.toUpperCase() == 'UL') {
152						level++;
153					}
154					$itemList = $itemList.parent();
155					if (!$itemList.length) {
156						break;
157					}
158				}
159				if (level > 3) {
160					level = 3;
161				}
162
163				// Only go to the next menu level if one exists AND the link isn't the
164				// one we added specifically for navigating to parent item pages.
165				if( ($submenu.length > 0) && !($(event.currentTarget).hasClass('dl-subviewopen'))) {
166
167					var $flyin = $submenu.clone().addClass('level' + (level+1)).css( 'opacity', 0 ).insertAfter( self.$menu ),
168						onAnimationEndFn = function() {
169							self.$menu.off( self.animEndEventName ).removeClass( self.options.animationClasses.classout ).addClass( 'dl-subview' );
170							$item.addClass( 'dl-subviewopen' ).parents( '.dl-subviewopen:first' ).removeClass( 'dl-subviewopen' ).addClass( 'dl-subview' );
171							$flyin.remove();
172						};
173
174					setTimeout( function() {
175						$flyin.addClass( self.options.animationClasses.classin );
176						self.$menu.addClass( self.options.animationClasses.classout );
177						if( self.supportAnimations ) {
178							self.$menu.on( self.animEndEventName, onAnimationEndFn );
179						}
180						else {
181							onAnimationEndFn.call();
182						}
183
184						self.options.onLevelClick( $item, $item.children( 'a:first' ).text() );
185					} );
186
187					return false;
188
189				}
190				else {
191					self.options.onLinkClick( $item, event );
192				}
193
194			} );
195
196			this.$back.on( 'click.dlmenu', function( event ) {
197
198				var $this = $( this ),
199					$submenu = $this.parents( 'ul.dl-submenu:first' ),
200					$item = $submenu.parent(),
201					level = 1;
202
203				var $itemList = $this.parent();
204				while ($itemList.attr('id') != 'primary-menu') {
205					if ($itemList[0].nodeName.toUpperCase() == 'UL') {
206						level++;
207					}
208					$itemList = $itemList.parent();
209					if (!$itemList.length) {
210						break;
211					}
212				}
213				if (level > 3) {
214					level = 3;
215				}
216
217				var $flyin = $submenu.clone().addClass('level' + level).insertAfter( self.$menu );
218
219				var onAnimationEndFn = function() {
220					self.$menu.off( self.animEndEventName ).removeClass( self.options.animationClasses.classin );
221					$flyin.remove();
222				};
223
224				setTimeout( function() {
225					$flyin.addClass( self.options.animationClasses.classout );
226					self.$menu.addClass( self.options.animationClasses.classin );
227					if( self.supportAnimations ) {
228						self.$menu.on( self.animEndEventName, onAnimationEndFn );
229					}
230					else {
231						onAnimationEndFn.call();
232					}
233
234					$item.removeClass( 'dl-subviewopen' );
235
236					var $subview = $this.parents( '.dl-subview:first' );
237					if( $subview.is( 'li' ) ) {
238						$subview.addClass( 'dl-subviewopen' );
239					}
240					$subview.removeClass( 'dl-subview' );
241				} );
242
243				return false;
244
245			} );
246
247		},
248		closeMenu : function() {
249			if( this.open ) {
250				this._closeMenu();
251			}
252		},
253		_closeMenu : function() {
254			var self = this,
255				onTransitionEndFn = function() {
256					self.$menu.off( self.transEndEventName );
257					self._resetMenu();
258				};
259
260			this.$menu.removeClass( 'dl-menuopen' );
261			this.$menu.addClass( 'dl-menu-toggle' );
262			this.$trigger.removeClass( 'dl-active' );
263
264			if( this.supportTransitions ) {
265				this.$menu.on( this.transEndEventName, onTransitionEndFn );
266			}
267			else {
268				onTransitionEndFn.call();
269			}
270
271			this.open = false;
272		},
273		openMenu : function() {
274			if( !this.open ) {
275				this._openMenu();
276			}
277		},
278		_openMenu : function() {
279			var self = this;
280			// clicking somewhere else makes the menu close
281			$body.off( 'click' ).on( 'click.dlmenu', function() {
282				self._closeMenu() ;
283			} );
284			this.$menu.addClass( 'dl-menuopen dl-menu-toggle' ).on( this.transEndEventName, function() {
285				$( this ).removeClass( 'dl-menu-toggle' );
286			} );
287			this.$trigger.addClass( 'dl-active' );
288			this.open = true;
289		},
290		// resets the menu to its original state (first level of options)
291		_resetMenu : function() {
292			this.$menu.removeClass( 'dl-subview' );
293			this.$menuitems.removeClass( 'dl-subview dl-subviewopen' );
294		}
295	};
296
297	var logError = function( message ) {
298		if ( window.console ) {
299			window.console.error( message );
300		}
301	};
302
303	$.fn.dlmenu = function( options ) {
304		if ( typeof options === 'string' ) {
305			var args = Array.prototype.slice.call( arguments, 1 );
306			this.each(function() {
307				var instance = $.data( this, 'dlmenu' );
308				if ( !instance ) {
309					logError( "cannot call methods on dlmenu prior to initialization; " +
310					"attempted to call method '" + options + "'" );
311					return;
312				}
313				if ( !$.isFunction( instance[options] ) || options.charAt(0) === "_" ) {
314					logError( "no such method '" + options + "' for dlmenu instance" );
315					return;
316				}
317				instance[ options ].apply( instance, args );
318			});
319		}
320		else {
321			this.each(function() {
322				var instance = $.data( this, 'dlmenu' );
323				if ( instance ) {
324					instance._init();
325				}
326				else {
327					instance = $.data( this, 'dlmenu', new $.DLMenu( options, this ) );
328				}
329			});
330		}
331		return this;
332	};
333
334} )( jQuery, window );