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252 lines
6.9 KiB
252 lines
6.9 KiB
/**
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* jquery.dlmenu.js v1.0.1
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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 2013, Codrops
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* http://www.codrops.com
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*/
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;( function( $, window, undefined ) {
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'use strict';
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// global
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var Modernizr = window.Modernizr, $body = $( 'body' );
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$.DLMenu = function( options, element ) {
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this.$el = $( element );
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this._init( options );
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};
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// the options
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$.DLMenu.defaults = {
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// classes for the animation effects
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animationClasses : { classin : 'dl-animate-in-1', classout : 'dl-animate-out-1' },
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// callback: click a link that has a sub menu
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// el is the link element (li); name is the level name
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onLevelClick : function( el, name ) { return false; },
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// callback: click a link that does not have a sub menu
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// el is the link element (li); ev is the event obj
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onLinkClick : function( el, ev ) { return false; }
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};
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$.DLMenu.prototype = {
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_init : function( options ) {
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// options
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this.options = $.extend( true, {}, $.DLMenu.defaults, options );
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// cache some elements and initialize some variables
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this._config();
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var animEndEventNames = {
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'WebkitAnimation' : 'webkitAnimationEnd',
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'OAnimation' : 'oAnimationEnd',
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'msAnimation' : 'MSAnimationEnd',
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'animation' : 'animationend'
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},
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transEndEventNames = {
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'WebkitTransition' : 'webkitTransitionEnd',
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'MozTransition' : 'transitionend',
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'OTransition' : 'oTransitionEnd',
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'msTransition' : 'MSTransitionEnd',
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'transition' : 'transitionend'
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};
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// animation end event name
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this.animEndEventName = animEndEventNames[ Modernizr.prefixed( 'animation' ) ] + '.dlmenu';
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// transition end event name
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this.transEndEventName = transEndEventNames[ Modernizr.prefixed( 'transition' ) ] + '.dlmenu',
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// support for css animations and css transitions
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this.supportAnimations = Modernizr.cssanimations,
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this.supportTransitions = Modernizr.csstransitions;
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this._initEvents();
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},
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_config : function() {
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this.open = false;
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this.$trigger = this.$el.children( '.dl-trigger' );
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this.$menu = this.$el.children( 'ul.dl-menu' );
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this.$menuitems = this.$menu.find( 'li:not(.dl-back)' );
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this.$el.find( 'ul.dl-submenu,ul.lg-submenu' ).prepend( '<li class="dl-back"><a href="#">back</a></li>' );
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this.$back = this.$menu.find( 'li.dl-back' );
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},
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_initEvents : function() {
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var self = this;
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this.$trigger.on( 'click.dlmenu', function() {
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if( self.open ) {
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self._closeMenu();
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}
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else {
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self._openMenu();
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}
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return false;
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} );
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this.$menuitems.on( 'click.dlmenu', function( event ) {
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event.stopPropagation();
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var $item = $(this),
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$submenu = $item.children( 'ul.dl-submenu' );
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if( $submenu.length > 0 ) {
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var $flyin = $submenu.clone().css( 'opacity', 0 ).insertAfter( self.$menu ),
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onAnimationEndFn = function() {
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self.$menu.off( self.animEndEventName ).removeClass( self.options.animationClasses.classout ).addClass( 'dl-subview' );
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$item.addClass( 'dl-subviewopen' ).parents( '.dl-subviewopen:first' ).removeClass( 'dl-subviewopen' ).addClass( 'dl-subview' );
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$flyin.remove();
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};
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setTimeout( function() {
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$flyin.addClass( self.options.animationClasses.classin );
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self.$menu.addClass( self.options.animationClasses.classout );
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if( self.supportAnimations ) {
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self.$menu.on( self.animEndEventName, onAnimationEndFn );
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}
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else {
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onAnimationEndFn.call();
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}
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self.options.onLevelClick( $item, $item.children( 'a:first' ).text() );
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} );
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return false;
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}
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else {
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self.options.onLinkClick( $item, event );
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}
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} );
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this.$back.on( 'click.dlmenu', function( event ) {
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var $this = $( this ),
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$submenu = $this.parents( 'ul.dl-submenu:first' ),
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$item = $submenu.parent(),
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$flyin = $submenu.clone().insertAfter( self.$menu );
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var onAnimationEndFn = function() {
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self.$menu.off( self.animEndEventName ).removeClass( self.options.animationClasses.classin );
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$flyin.remove();
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};
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setTimeout( function() {
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$flyin.addClass( self.options.animationClasses.classout );
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self.$menu.addClass( self.options.animationClasses.classin );
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if( self.supportAnimations ) {
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self.$menu.on( self.animEndEventName, onAnimationEndFn );
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}
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else {
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onAnimationEndFn.call();
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}
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$item.removeClass( 'dl-subviewopen' );
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var $subview = $this.parents( '.dl-subview:first' );
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if( $subview.is( 'li' ) ) {
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$subview.addClass( 'dl-subviewopen' );
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}
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$subview.removeClass( 'dl-subview' );
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} );
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return false;
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} );
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},
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closeMenu : function() {
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if( this.open ) {
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this._closeMenu();
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}
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},
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_closeMenu : function() {
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var self = this,
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onTransitionEndFn = function() {
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self.$menu.off( self.transEndEventName );
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self._resetMenu();
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};
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this.$menu.removeClass( 'dl-menuopen' );
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this.$menu.addClass( 'dl-menu-toggle' );
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this.$trigger.removeClass( 'dl-active' );
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if( this.supportTransitions ) {
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this.$menu.on( this.transEndEventName, onTransitionEndFn );
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}
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else {
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onTransitionEndFn.call();
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}
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this.open = false;
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},
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openMenu : function() {
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if( !this.open ) {
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this._openMenu();
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}
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},
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_openMenu : function() {
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var self = this;
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// clicking somewhere else makes the menu close
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$body.off( 'click' ).on( 'click.dlmenu', function() {
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self._closeMenu() ;
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} );
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this.$menu.addClass( 'dl-menuopen dl-menu-toggle' ).on( this.transEndEventName, function() {
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$( this ).removeClass( 'dl-menu-toggle' );
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} );
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this.$trigger.addClass( 'dl-active' );
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this.open = true;
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},
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// resets the menu to its original state (first level of options)
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_resetMenu : function() {
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this.$menu.removeClass( 'dl-subview' );
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this.$menuitems.removeClass( 'dl-subview dl-subviewopen' );
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}
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};
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var logError = function( message ) {
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if ( window.console ) {
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window.console.error( message );
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}
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};
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$.fn.dlmenu = function( options ) {
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if ( typeof options === 'string' ) {
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var args = Array.prototype.slice.call( arguments, 1 );
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this.each(function() {
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var instance = $.data( this, 'dlmenu' );
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if ( !instance ) {
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logError( "cannot call methods on dlmenu prior to initialization; " +
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"attempted to call method '" + options + "'" );
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return;
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}
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if ( !$.isFunction( instance[options] ) || options.charAt(0) === "_" ) {
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logError( "no such method '" + options + "' for dlmenu instance" );
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return;
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}
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instance[ options ].apply( instance, args );
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});
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}
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else {
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this.each(function() {
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var instance = $.data( this, 'dlmenu' );
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if ( instance ) {
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instance._init();
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}
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else {
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instance = $.data( this, 'dlmenu', new $.DLMenu( options, this ) );
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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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} )( jQuery, window ); |