1/** 2 * File navigation.js. 3 * 4 * Handles toggling the navigation menu for small screens and enables TAB key 5 * navigation support for dropdown menus. 6 */ 7( function() { 8 var gridmode_secondary_container, gridmode_secondary_button, gridmode_secondary_menu, gridmode_secondary_links, gridmode_secondary_i, gridmode_secondary_len; 9 10 gridmode_secondary_container = document.getElementById( 'gridmode-secondary-navigation' ); 11 if ( ! gridmode_secondary_container ) { 12 return; 13 } 14 15 gridmode_secondary_button = gridmode_secondary_container.getElementsByTagName( 'button' )[0]; 16 if ( 'undefined' === typeof gridmode_secondary_button ) { 17 return; 18 } 19 20 gridmode_secondary_menu = gridmode_secondary_container.getElementsByTagName( 'ul' )[0]; 21 22 // Hide menu toggle button if menu is empty and return early. 23 if ( 'undefined' === typeof gridmode_secondary_menu ) { 24 gridmode_secondary_button.style.display = 'none'; 25 return; 26 } 27 28 gridmode_secondary_menu.setAttribute( 'aria-expanded', 'false' ); 29 if ( -1 === gridmode_secondary_menu.className.indexOf( 'nav-menu' ) ) { 30 gridmode_secondary_menu.className += ' nav-menu'; 31 } 32 33 gridmode_secondary_button.onclick = function() { 34 if ( -1 !== gridmode_secondary_container.className.indexOf( 'gridmode-toggled' ) ) { 35 gridmode_secondary_container.className = gridmode_secondary_container.className.replace( ' gridmode-toggled', '' ); 36 gridmode_secondary_button.setAttribute( 'aria-expanded', 'false' ); 37 gridmode_secondary_menu.setAttribute( 'aria-expanded', 'false' ); 38 } else { 39 gridmode_secondary_container.className += ' gridmode-toggled'; 40 gridmode_secondary_button.setAttribute( 'aria-expanded', 'true' ); 41 gridmode_secondary_menu.setAttribute( 'aria-expanded', 'true' ); 42 } 43 }; 44 45 // Get all the link elements within the menu. 46 gridmode_secondary_links = gridmode_secondary_menu.getElementsByTagName( 'a' ); 47 48 // Each time a menu link is focused or blurred, toggle focus. 49 for ( gridmode_secondary_i = 0, gridmode_secondary_len = gridmode_secondary_links.length; gridmode_secondary_i < gridmode_secondary_len; gridmode_secondary_i++ ) { 50 gridmode_secondary_links[gridmode_secondary_i].addEventListener( 'focus', gridmode_secondary_toggleFocus, true ); 51 gridmode_secondary_links[gridmode_secondary_i].addEventListener( 'blur', gridmode_secondary_toggleFocus, true ); 52 } 53 54 /** 55 * Sets or removes .focus class on an element. 56 */ 57 function gridmode_secondary_toggleFocus() { 58 var self = this; 59 60 // Move up through the ancestors of the current link until we hit .nav-menu. 61 while ( -1 === self.className.indexOf( 'nav-menu' ) ) { 62 63 // On li elements toggle the class .focus. 64 if ( 'li' === self.tagName.toLowerCase() ) { 65 if ( -1 !== self.className.indexOf( 'gridmode-focus' ) ) { 66 self.className = self.className.replace( ' gridmode-focus', '' ); 67 } else { 68 self.className += ' gridmode-focus'; 69 } 70 } 71 72 self = self.parentElement; 73 } 74 } 75 76 /** 77 * Toggles `focus` class to allow submenu access on tablets. 78 */ 79 ( function( gridmode_secondary_container ) { 80 var touchStartFn, gridmode_secondary_i, 81 parentLink = gridmode_secondary_container.querySelectorAll( '.menu-item-has-children > a, .page_item_has_children > a' ); 82 83 if ( 'ontouchstart' in window ) { 84 touchStartFn = function( e ) { 85 var menuItem = this.parentNode, gridmode_secondary_i; 86 87 if ( ! menuItem.classList.contains( 'gridmode-focus' ) ) { 88 e.preventDefault(); 89 for ( gridmode_secondary_i = 0; gridmode_secondary_i < menuItem.parentNode.children.length; ++gridmode_secondary_i ) { 90 if ( menuItem === menuItem.parentNode.children[gridmode_secondary_i] ) { 91 continue; 92 } 93 menuItem.parentNode.children[gridmode_secondary_i].classList.remove( 'gridmode-focus' ); 94 } 95 menuItem.classList.add( 'gridmode-focus' ); 96 } else { 97 menuItem.classList.remove( 'gridmode-focus' ); 98 } 99 }; 100 101 for ( gridmode_secondary_i = 0; gridmode_secondary_i < parentLink.length; ++gridmode_secondary_i ) { 102 parentLink[gridmode_secondary_i].addEventListener( 'touchstart', touchStartFn, false ); 103 } 104 } 105 }( gridmode_secondary_container ) ); 106} )(); 107 108 109( function() { 110 var gridmode_headnavi_container, gridmode_headnavi_button, gridmode_headnavi_menu, gridmode_headnavi_links, gridmode_headnavi_i, gridmode_headnavi_len; 111 112 gridmode_headnavi_container = document.getElementById( 'gridmode-headnavi-navigation' ); 113 if ( ! gridmode_headnavi_container ) { 114 return; 115 } 116 117 gridmode_headnavi_button = gridmode_headnavi_container.getElementsByTagName( 'button' )[0]; 118 if ( 'undefined' === typeof gridmode_headnavi_button ) { 119 return; 120 } 121 122 gridmode_headnavi_menu = gridmode_headnavi_container.getElementsByTagName( 'ul' )[0]; 123 124 // Hide menu toggle button if menu is empty and return early. 125 if ( 'undefined' === typeof gridmode_headnavi_menu ) { 126 gridmode_headnavi_button.style.display = 'none'; 127 return; 128 } 129 130 gridmode_headnavi_menu.setAttribute( 'aria-expanded', 'false' ); 131 if ( -1 === gridmode_headnavi_menu.className.indexOf( 'nav-menu' ) ) { 132 gridmode_headnavi_menu.className += ' nav-menu'; 133 } 134 135 gridmode_headnavi_button.onclick = function() { 136 if ( -1 !== gridmode_headnavi_container.className.indexOf( 'gridmode-toggled' ) ) { 137 gridmode_headnavi_container.className = gridmode_headnavi_container.className.replace( ' gridmode-toggled', '' ); 138 gridmode_headnavi_button.setAttribute( 'aria-expanded', 'false' ); 139 gridmode_headnavi_menu.setAttribute( 'aria-expanded', 'false' ); 140 } else { 141 gridmode_headnavi_container.className += ' gridmode-toggled'; 142 gridmode_headnavi_button.setAttribute( 'aria-expanded', 'true' ); 143 gridmode_headnavi_menu.setAttribute( 'aria-expanded', 'true' ); 144 } 145 }; 146 147 // Get all the link elements within the menu. 148 gridmode_headnavi_links = gridmode_headnavi_menu.getElementsByTagName( 'a' ); 149 150 // Each time a menu link is focused or blurred, toggle focus. 151 for ( gridmode_headnavi_i = 0, gridmode_headnavi_len = gridmode_headnavi_links.length; gridmode_headnavi_i < gridmode_headnavi_len; gridmode_headnavi_i++ ) { 152 gridmode_headnavi_links[gridmode_headnavi_i].addEventListener( 'focus', gridmode_headnavi_toggleFocus, true ); 153 gridmode_headnavi_links[gridmode_headnavi_i].addEventListener( 'blur', gridmode_headnavi_toggleFocus, true ); 154 } 155 156 /**
157 * Sets or removes .focus class on an element. 158 */ 159 function gridmode_headnavi_toggleFocus() { 160 var self = this; 161 162 // Move up through the ancestors of the current link until we hit .nav-menu. 163 while ( -1 === self.className.indexOf( 'nav-menu' ) ) { 164 165 // On li elements toggle the class .focus. 166 if ( 'li' === self.tagName.toLowerCase() ) { 167 if ( -1 !== self.className.indexOf( 'gridmode-focus' ) ) { 168 self.className = self.className.replace( ' gridmode-focus', '' ); 169 } else { 170 self.className += ' gridmode-focus'; 171 } 172 } 173 174 self = self.parentElement; 175 } 176 } 177 178 /** 179 * Toggles `focus` class to allow submenu access on tablets. 180 */ 181 ( function( gridmode_headnavi_container ) { 182 var touchStartFn, gridmode_headnavi_i, 183 parentLink = gridmode_headnavi_container.querySelectorAll( '.menu-item-has-children > a, .page_item_has_children > a' ); 184 185 if ( 'ontouchstart' in window ) { 186 touchStartFn = function( e ) { 187 var menuItem = this.parentNode, gridmode_headnavi_i; 188 189 if ( ! menuItem.classList.contains( 'gridmode-focus' ) ) { 190 e.preventDefault(); 191 for ( gridmode_headnavi_i = 0; gridmode_headnavi_i < menuItem.parentNode.children.length; ++gridmode_headnavi_i ) { 192 if ( menuItem === menuItem.parentNode.children[gridmode_headnavi_i] ) { 193 continue; 194 } 195 menuItem.parentNode.children[gridmode_headnavi_i].classList.remove( 'gridmode-focus' ); 196 } 197 menuItem.classList.add( 'gridmode-focus' ); 198 } else { 199 menuItem.classList.remove( 'gridmode-focus' ); 200 } 201 }; 202 203 for ( gridmode_headnavi_i = 0; gridmode_headnavi_i < parentLink.length; ++gridmode_headnavi_i ) { 204 parentLink[gridmode_headnavi_i].addEventListener( 'touchstart', touchStartFn, false ); 205 } 206 } 207 }( gridmode_headnavi_container ) ); 208} )(); 209 210( function() { 211 var gridmode_primary_container, gridmode_primary_button, gridmode_primary_menu, gridmode_primary_links, gridmode_primary_i, gridmode_primary_len; 212 213 gridmode_primary_container = document.getElementById( 'gridmode-primary-navigation' ); 214 if ( ! gridmode_primary_container ) { 215 return; 216 } 217 218 gridmode_primary_button = gridmode_primary_container.getElementsByTagName( 'button' )[0]; 219 if ( 'undefined' === typeof gridmode_primary_button ) { 220 return; 221 } 222 223 gridmode_primary_menu = gridmode_primary_container.getElementsByTagName( 'ul' )[0]; 224 225 // Hide menu toggle button if menu is empty and return early. 226 if ( 'undefined' === typeof gridmode_primary_menu ) { 227 gridmode_primary_button.style.display = 'none'; 228 return; 229 } 230 231 gridmode_primary_menu.setAttribute( 'aria-expanded', 'false' ); 232 if ( -1 === gridmode_primary_menu.className.indexOf( 'nav-menu' ) ) { 233 gridmode_primary_menu.className += ' nav-menu'; 234 } 235 236 gridmode_primary_button.onclick = function() { 237 if ( -1 !== gridmode_primary_container.className.indexOf( 'gridmode-toggled' ) ) { 238 gridmode_primary_container.className = gridmode_primary_container.className.replace( ' gridmode-toggled', '' ); 239 gridmode_primary_button.setAttribute( 'aria-expanded', 'false' ); 240 gridmode_primary_menu.setAttribute( 'aria-expanded', 'false' ); 241 } else { 242 gridmode_primary_container.className += ' gridmode-toggled'; 243 gridmode_primary_button.setAttribute( 'aria-expanded', 'true' ); 244 gridmode_primary_menu.setAttribute( 'aria-expanded', 'true' ); 245 } 246 }; 247 248 // Get all the link elements within the menu. 249 gridmode_primary_links = gridmode_primary_menu.getElementsByTagName( 'a' ); 250 251 // Each time a menu link is focused or blurred, toggle focus. 252 for ( gridmode_primary_i = 0, gridmode_primary_len = gridmode_primary_links.length; gridmode_primary_i < gridmode_primary_len; gridmode_primary_i++ ) { 253 gridmode_primary_links[gridmode_primary_i].addEventListener( 'focus', gridmode_primary_toggleFocus, true ); 254 gridmode_primary_links[gridmode_primary_i].addEventListener( 'blur', gridmode_primary_toggleFocus, true ); 255 } 256 257 /**
258 * Sets or removes .focus class on an element. 259 */ 260 function gridmode_primary_toggleFocus() { 261 var self = this; 262 263 // Move up through the ancestors of the current link until we hit .nav-menu. 264 while ( -1 === self.className.indexOf( 'nav-menu' ) ) { 265 266 // On li elements toggle the class .focus. 267 if ( 'li' === self.tagName.toLowerCase() ) { 268 if ( -1 !== self.className.indexOf( 'gridmode-focus' ) ) { 269 self.className = self.className.replace( ' gridmode-focus', '' ); 270 } else { 271 self.className += ' gridmode-focus'; 272 } 273 } 274 275 self = self.parentElement; 276 } 277 } 278 279 /** 280 * Toggles `focus` class to allow submenu access on tablets. 281 */ 282 ( function( gridmode_primary_container ) { 283 var touchStartFn, gridmode_primary_i, 284 parentLink = gridmode_primary_container.querySelectorAll( '.menu-item-has-children > a, .page_item_has_children > a' ); 285 286 if ( 'ontouchstart' in window ) { 287 touchStartFn = function( e ) { 288 var menuItem = this.parentNode, gridmode_primary_i; 289 290 if ( ! menuItem.classList.contains( 'gridmode-focus' ) ) { 291 e.preventDefault(); 292 for ( gridmode_primary_i = 0; gridmode_primary_i < menuItem.parentNode.children.length; ++gridmode_primary_i ) { 293 if ( menuItem === menuItem.parentNode.children[gridmode_primary_i] ) { 294 continue; 295 } 296 menuItem.parentNode.children[gridmode_primary_i].classList.remove( 'gridmode-focus' ); 297 } 298 menuItem.classList.add( 'gridmode-focus' ); 299 } else { 300 menuItem.classList.remove( 'gridmode-focus' ); 301 } 302 }; 303 304 for ( gridmode_primary_i = 0; gridmode_primary_i < parentLink.length; ++gridmode_primary_i ) { 305 parentLink[gridmode_primary_i].addEventListener( 'touchstart', touchStartFn, false ); 306 } 307 } 308 }( gridmode_primary_container ) ); 309} )();
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