1/** 2 * mlpushmenu.js v1.0.0 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 ) { 12 13 'use strict'; 14 15 function extend( a, b ) { 16 for( var key in b ) { 17 if( b.hasOwnProperty( key ) ) { 18 a[key] = b[key]; 19 } 20 } 21 return a; 22 } 23 24 // taken from https://github.com/inuyaksa/jquery.nicescroll/blob/master/jquery.nicescroll.js 25 function hasParent( e, id ) { 26 if (!e) return false; 27 var el = e.target||e.srcElement||e||false; 28 while (el && el.id != id) { 29 el = el.parentNode||false; 30 } 31 return (el!==false); 32 } 33 34 // returns the depth of the element "e" relative to element with id=id 35 // for this calculation only parents with classname = waypoint are considered 36 function getLevelDepth( e, id, waypoint, cnt ) { 37 cnt = cnt || 0; 38 if ( e.id.indexOf( id ) >= 0 ) return cnt; 39 if( classie.has( e, waypoint ) ) { 40 ++cnt; 41 } 42 return e.parentNode && getLevelDepth( e.parentNode, id, waypoint, cnt ); 43 } 44 45 // http://coveroverflow.com/a/11381730/989439 46 function mobilecheck() { 47 var check = false; 48 (function(a){if(/(android|ipad|playbook|silk|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true})(navigator.userAgent||navigator.vendor||window.opera); 49 return check; 50 } 51 52 // returns the closest element to 'e' that has class "classname" 53 function closest( e, classname ) { 54 if( classie.has( e, classname ) ) { 55 return e; 56 } 57 return e.parentNode && closest( e.parentNode, classname ); 58 } 59 60 function mlPushMenu( el, trigger, options ) { 61 this.el = el; 62 this.trigger = trigger; 63 this.options = extend( this.defaults, options ); 64 // support 3d transforms 65 this.support = Modernizr.csstransforms3d; 66 if( this.support ) { 67 this._init(); 68 } 69 } 70 71 mlPushMenu.prototype = { 72 defaults : { 73 // overlap: there will be a gap between open levels 74 // cover: the open levels will be on top of any previous open level 75 type : 'overlap', // overlap || cover 76 // space between each overlaped level 77 levelSpacing : 0, 78 // classname for the element (if any) that when clicked closes the current level 79 backClass : 'mp-back' 80 }, 81 _init : function() { 82 // if menu is open or not 83 this.open = false; 84 // level depth 85 this.level = 0;
86 // the moving wrapper 87 this.wrapper = document.getElementById( 'mp-pusher' ); 88 // the mp-level elements 89 this.levels = Array.prototype.slice.call( this.el.querySelectorAll( 'div.mp-level' ) ); 90 // save the depth of each of these mp-level elements 91 var self = this; 92 this.levels.forEach( function( el, i ) { el.setAttribute( 'data-level', getLevelDepth( el, self.el.id, 'mp-level' ) ); } ); 93 // the menu items 94 this.menuItems = Array.prototype.slice.call( this.el.querySelectorAll( 'li' ) ); 95 // if type == "cover" these will serve as hooks to move back to the previous level 96 this.levelBack = Array.prototype.slice.call( this.el.querySelectorAll( '.' + this.options.backClass ) ); 97 // event type (if mobile use touch events) 98 this.eventtype = mobilecheck() ? 'touchstart' : 'click'; 99 // add the class mp-overlap or mp-cover to the main element depending on options.type 100 classie.add( this.el, 'mp-' + this.options.type ); 101 // initialize / bind the necessary events 102 this._initEvents(); 103 }, 104 _initEvents : function() { 105 var self = this; 106 107 // the menu should close if clicking somewhere on the body 108 var bodyClickFn = function( el ) { 109 self._resetMenu(); 110 el.removeEventListener( self.eventtype, bodyClickFn ); 111 }; 112 113 // open (or close) the menu 114 this.trigger.addEventListener( this.eventtype, function( ev ) { 115 ev.stopPropagation(); 116 ev.preventDefault(); 117 if( self.open ) { 118 self._resetMenu(); 119 } 120 else { 121 self._openMenu(); 122 // the menu should close if clicking somewhere on the body (excluding clicks on the menu) 123 document.addEventListener( self.eventtype, function( ev ) { 124 if( self.open && !hasParent( ev.target, self.el.id ) ) { 125 bodyClickFn( this ); 126 } 127 } ); 128 } 129 } ); 130 131 // opening a sub level menu 132 this.menuItems.forEach( function( el, i ) { 133 // check if it has a sub level 134 var subLevel = el.querySelector( 'div.mp-level' ); 135 if( subLevel ) { 136 el.querySelector( 'a' ).addEventListener( self.eventtype, function( ev ) { 137 ev.preventDefault(); 138 var level = closest( el, 'mp-level' ).getAttribute( 'data-level' ); 139 if( self.level <= level ) { 140 ev.stopPropagation(); 141 classie.add( closest( el, 'mp-level' ), 'mp-level-overlay' ); 142 self._openMenu( subLevel ); 143 } 144 } ); 145 } 146 } ); 147 148 // closing the sub levels : 149 // by clicking on the visible part of the level element 150 this.levels.forEach( function( el, i ) { 151 el.addEventListener( self.eventtype, function( ev ) { 152 ev.stopPropagation(); 153 var level = el.getAttribute( 'data-level' ); 154 if( self.level > level ) { 155 self.level = level; 156 self._closeMenu(); 157 } 158 } ); 159 } ); 160 161 // by clicking on a specific element 162 this.levelBack.forEach( function( el, i ) { 163 el.addEventListener( self.eventtype, function( ev ) { 164 ev.preventDefault(); 165 var level = closest( el, 'mp-level' ).getAttribute( 'data-level' ); 166 if( self.level <= level ) { 167 ev.stopPropagation(); 168 self.level = closest( el, 'mp-level' ).getAttribute( 'data-level' ) - 1; 169 self.level === 0 ? self._resetMenu() : self._closeMenu(); 170 } 171 } ); 172 }); 173 }, 174 _openMenu : function( subLevel ) { 175 // increment level depth 176 ++this.level; 177 dim(true); 178 $("body").addClass('prevent-scroll'); 179 180 // move the main wrapper 181 var levelFactor = ( this.level - 1 ) * this.options.levelSpacing, 182 translateVal = this.options.type === 'overlap' ? this.el.offsetWidth + levelFactor : this.el.offsetWidth; 183 184 this._setTransform( 'translate(' + translateVal + 'px,0)' ); 185 186 if( subLevel ) { 187 // reset transform for sublevel 188 this._setTransform( '', subLevel ); 189 // need to reset the translate value for the level menus that have the same level depth and are not open 190 for( var i = 0, len = this.levels.length; i < len; ++i ) { 191 var levelEl = this.levels[i]; 192 if( levelEl != subLevel && !classie.has( levelEl, 'mp-level-open' ) ) { 193 this._setTransform( 'translate(-100%,0,0) translate(' + -1*levelFactor + 'px,0)', levelEl ); 194 } 195 } 196 } 197 // add class mp-pushed to main wrapper if opening the first time 198 if( this.level === 1 ) { 199 classie.add( this.wrapper, 'mp-pushed' ); 200 this.open = true; 201 } 202 // add class mp-level-open to the opening level element 203 classie.add( subLevel || this.levels[0], 'mp-level-open' ); 204 }, 205 // close the menu 206 _resetMenu : function() { 207 dim(false); 208 $("body").removeClass('prevent-scroll'); 209 this._setTransform('translate(0,0)'); 210 this.level = 0; 211 // remove class mp-pushed from main wrapper 212 classie.remove( this.wrapper, 'mp-pushed' ); 213 this._toggleLevels(); 214 this.open = false; 215 }, 216 // close sub menus 217 _closeMenu : function() { 218 console.log(this); 219 var translateVal = this.options.type === 'overlap' ? this.el.offsetWidth + ( this.level - 1 ) * this.options.levelSpacing : this.el.offsetWidth; 220 this._setTransform( 'translate(' + translateVal + 'px,0)' ); 221 this._toggleLevels(); 222 }, 223 // translate the el 224 _setTransform : function( val, el ) { 225 el = el || this.wrapper; 226 el.style.WebkitTransform = val; 227 el.style.MozTransform = val; 228 el.style.transform = val; 229 }, 230 // removes classes mp-level-open from closing levels 231 _toggleLevels : function() { 232 for( var i = 0, len = this.levels.length; i < len; ++i ) { 233 var levelEl = this.levels[i]; 234 if( levelEl.getAttribute( 'data-level' ) >= this.level + 1 ) { 235 classie.remove( levelEl, 'mp-level-open' ); 236 classie.remove( levelEl, 'mp-level-overlay' ); 237 } 238 else if( Number( levelEl.getAttribute( 'data-level' ) ) == this.level ) { 239 classie.remove( levelEl, 'mp-level-overlay' ); 240 } 241 } 242 } 243 } 244 245 // add to global namespace 246 window.mlPushMenu = mlPushMenu; 247 248} )( window ); 249
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