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/**
* WordPress Administration Navigation Menu
* Interface JS functions
*
* @version 2.0.0
*
* @package WordPress
* @subpackage Administration
* @output wp-admin/js/nav-menu.js
*/
/* global menus, postboxes, columns, isRtl, ajaxurl, wpNavMenu */
(function($) {
var api;
/**
* Contains all the functions to handle WordPress navigation menus administration.
*
* @namespace wpNavMenu
*/
api = window.wpNavMenu = {
options : {
menuItemDepthPerLevel : 30, // Do not use directly. Use depthToPx and pxToDepth instead.
globalMaxDepth: 11,
sortableItems: '> *',
targetTolerance: 0
},
menuList : undefined, // Set in init.
targetList : undefined, // Set in init.
menusChanged : false,
isRTL: !! ( 'undefined' != typeof isRtl && isRtl ),
negateIfRTL: ( 'undefined' != typeof isRtl && isRtl ) ? -1 : 1,
lastSearch: '',
// Functions that run on init.
init : function() {
api.menuList = $('#menu-to-edit');
api.targetList = api.menuList;
this.jQueryExtensions();
this.attachMenuEditListeners();
this.attachBulkSelectButtonListeners();
this.attachMenuCheckBoxListeners();
this.attachMenuItemDeleteButton();
this.attachPendingMenuItemsListForDeletion();
this.attachQuickSearchListeners();
this.attachThemeLocationsListeners();
this.attachMenuSaveSubmitListeners();
this.attachTabsPanelListeners();
this.attachUnsavedChangesListener();
if ( api.menuList.length )
this.initSortables();
if ( menus.oneThemeLocationNoMenus )
$( '#posttype-page' ).addSelectedToMenu( api.addMenuItemToBottom );
this.initManageLocations();
this.initAccessibility();
this.initToggles();
this.initPreviewing();
},
jQueryExtensions : function() {
// jQuery extensions.
$.fn.extend({
menuItemDepth : function() {
var margin = api.isRTL ? this.eq(0).css('margin-right') : this.eq(0).css('margin-left');
return api.pxToDepth( margin && -1 != margin.indexOf('px') ? margin.slice(0, -2) : 0 );
},
updateDepthClass : function(current, prev) {
return this.each(function(){
var t = $(this);
prev = prev || t.menuItemDepth();
$(this).removeClass('menu-item-depth-'+ prev )
.addClass('menu-item-depth-'+ current );
});
},
shiftDepthClass : function(change) {
return this.each(function(){
var t = $(this),
depth = t.menuItemDepth(),
newDepth = depth + change;
t.removeClass( 'menu-item-depth-'+ depth )
.addClass( 'menu-item-depth-'+ ( newDepth ) );
if ( 0 === newDepth ) {
t.find( '.is-submenu' ).hide();
}
});
},
childMenuItems : function() {
var result = $();
this.each(function(){
var t = $(this), depth = t.menuItemDepth(), next = t.next( '.menu-item' );
while( next.length && next.menuItemDepth() > depth ) {
result = result.add( next );
next = next.next( '.menu-item' );
}
});
return result;
},
shiftHorizontally : function( dir ) {
return this.each(function(){
var t = $(this),
depth = t.menuItemDepth(),
newDepth = depth + dir;
// Change .menu-item-depth-n class.
t.moveHorizontally( newDepth, depth );
});
},
moveHorizontally : function( newDepth, depth ) {
return this.each(function(){
var t = $(this),
children = t.childMenuItems(),
diff = newDepth - depth,
subItemText = t.find('.is-submenu');
// Change .menu-item-depth-n class.
t.updateDepthClass( newDepth, depth ).updateParentMenuItemDBId();
// If it has children, move those too.
if ( children ) {
children.each(function() {
var t = $(this),
thisDepth = t.menuItemDepth(),
newDepth = thisDepth + diff;
t.updateDepthClass(newDepth, thisDepth).updateParentMenuItemDBId();
});
}
// Show "Sub item" helper text.
if (0 === newDepth)
subItemText.hide();
else
subItemText.show();
});
},
updateParentMenuItemDBId : function() {
return this.each(function(){
var item = $(this),
input = item.find( '.menu-item-data-parent-id' ),
depth = parseInt( item.menuItemDepth(), 10 ),
parentDepth = depth - 1,
parent = item.prevAll( '.menu-item-depth-' + parentDepth ).first();
if ( 0 === depth ) { // Item is on the top level, has no parent.
input.val(0);
} else { // Find the parent item, and retrieve its object id.
input.val( parent.find( '.menu-item-data-db-id' ).val() );
}
});
},
hideAdvancedMenuItemFields : function() {
return this.each(function(){
var that = $(this);
$('.hide-column-tog').not(':checked').each(function(){
that.find('.field-' + $(this).val() ).addClass('hidden-field');
});
});
},
/**
* Adds selected menu items to the menu.
*
* @ignore
*
* @param jQuery metabox The metabox jQuery object.
*/
addSelectedToMenu : function(processMethod) {
if ( 0 === $('#menu-to-edit').length ) {
return false;
}
return this.each(function() {
var t = $(this), menuItems = {},
checkboxes = ( menus.oneThemeLocationNoMenus && 0 === t.find( '.tabs-panel-active .categorychecklist li input:checked' ).length ) ? t.find( '#page-all li input[type="checkbox"]' ) : t.find( '.tabs-panel-active .categorychecklist li input:checked' ),
re = /menu-item\[([^\]]*)/;
processMethod = processMethod || api.addMenuItemToBottom;
// If no items are checked, bail.
if ( !checkboxes.length )
return false;
// Show the Ajax spinner.
t.find( '.button-controls .spinner' ).addClass( 'is-active' );
// Retrieve menu item data.
$(checkboxes).each(function(){
var t = $(this),
listItemDBIDMatch = re.exec( t.attr('name') ),
listItemDBID = 'undefined' == typeof listItemDBIDMatch[1] ? 0 : parseInt(listItemDBIDMatch[1], 10);
if ( this.className && -1 != this.className.indexOf('add-to-top') )
processMethod = api.addMenuItemToTop;
menuItems[listItemDBID] = t.closest('li').getItemData( 'add-menu-item', listItemDBID );
});
// Add the items.
api.addItemToMenu(menuItems, processMethod, function(){
// Deselect the items and hide the Ajax spinner.
checkboxes.prop( 'checked', false );
t.find( '.button-controls .select-all' ).prop( 'checked', false );
t.find( '.button-controls .spinner' ).removeClass( 'is-active' );
t.updateParentDropdown();
t.updateOrderDropdown();
});
});
},
getItemData : function( itemType, id ) {
itemType = itemType || 'menu-item';
var itemData = {}, i,
fields = [
'menu-item-db-id',
'menu-item-object-id',
'menu-item-object',
'menu-item-parent-id',
'menu-item-position',
'menu-item-type',
'menu-item-title',
'menu-item-url',
'menu-item-description',
'menu-item-attr-title',
'menu-item-target',
'menu-item-classes',
'menu-item-xfn'
];
if( !id && itemType == 'menu-item' ) {
id = this.find('.menu-item-data-db-id').val();
}
if( !id ) return itemData;
this.find('input').each(function() {
var field;
i = fields.length;
while ( i-- ) {
if( itemType == 'menu-item' )
field = fields[i] + '[' + id + ']';
else if( itemType == 'add-menu-item' )
field = 'menu-item[' + id + '][' + fields[i] + ']';
if (
this.name &&
field == this.name
) {
itemData[fields[i]] = this.value;
}
}
});
return itemData;
},
setItemData : function( itemData, itemType, id ) { // Can take a type, such as 'menu-item', or an id.
itemType = itemType || 'menu-item';
if( !id && itemType == 'menu-item' ) {
id = $('.menu-item-data-db-id', this).val();
}
if( !id ) return this;
this.find('input').each(function() {
var t = $(this), field;
$.each( itemData, function( attr, val ) {
if( itemType == 'menu-item' )
field = attr + '[' + id + ']';
else if( itemType == 'add-menu-item' )
field = 'menu-item[' + id + '][' + attr + ']';
if ( field == t.attr('name') ) {
t.val( val );
}
});
});
return this;
},
updateParentDropdown : function() {
return this.each(function(){
var menuItems = $( '#menu-to-edit li' ),
parentDropdowns = $( '.edit-menu-item-parent' );
$.each( parentDropdowns, function() {
var parentDropdown = $( this ),
$html = '',
$selected = '',
currentItemID = parentDropdown.closest( 'li.menu-item' ).find( '.menu-item-data-db-id' ).val(),
currentparentID = parentDropdown.closest( 'li.menu-item' ).find( '.menu-item-data-parent-id' ).val(),
currentItem = parentDropdown.closest( 'li.menu-item' ),
currentMenuItemChild = currentItem.childMenuItems(),
excludeMenuItem = [ currentItemID ];
if ( currentMenuItemChild.length > 0 ) {
$.each( currentMenuItemChild, function(){
var childItem = $(this),
childID = childItem.find( '.menu-item-data-db-id' ).val();
excludeMenuItem.push( childID );
});
}
if ( currentparentID == 0 ) {
$selected = 'selected';
}
$html += '<option ' + $selected + ' value="0">' + wp.i18n._x( 'No Parent', 'menu item without a parent in navigation menu' ) + '</option>';
$.each( menuItems, function() {
var menuItem = $(this),
$selected = '',
menuID = menuItem.find( '.menu-item-data-db-id' ).val(),
menuTitle = menuItem.find( '.edit-menu-item-title' ).val();
if ( ! excludeMenuItem.includes( menuID ) ) {
if ( currentparentID == menuID ) {
$selected = 'selected';
}
$html += '<option ' + $selected + ' value="' + menuID + '">' + menuTitle + '</option>';
}
});
parentDropdown.html( $html );
});
});
},
updateOrderDropdown : function() {
return this.each( function() {
var itemPosition,
orderDropdowns = $( '.edit-menu-item-order' );
$.each( orderDropdowns, function() {
var orderDropdown = $( this ),
menuItem = orderDropdown.closest( 'li.menu-item' ).first(),
depth = menuItem.menuItemDepth(),
isPrimaryMenuItem = ( 0 === depth ),
$html = '',
$selected = '';
if ( isPrimaryMenuItem ) {
var primaryItems = $( '.menu-item-depth-0' ),
totalMenuItems = primaryItems.length;
itemPosition = primaryItems.index( menuItem ) + 1;
for ( let i = 1; i < totalMenuItems + 1; i++ ) {
$selected = '';
if ( i == itemPosition ) {
$selected = 'selected';
}
var itemString = wp.i18n.sprintf(
/* translators: 1: The current menu item number, 2: The total number of menu items. */
wp.i18n._x( '%1$s of %2$s', 'part of a total number of menu items' ),
i,
totalMenuItems
);
$html += '<option ' + $selected + ' value="' + i + '">' + itemString + '</option>';
}
} else {
var parentItem = menuItem.prevAll( '.menu-item-depth-' + parseInt( depth - 1, 10 ) ).first(),
parentItemId = parentItem.find( '.menu-item-data-db-id' ).val(),
subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemId + '"]' ),
totalSubMenuItems = subItems.length;
itemPosition = $( subItems.parents('.menu-item').get().reverse() ).index( menuItem ) + 1;
for ( let i = 1; i < totalSubMenuItems + 1; i++ ) {
$selected = '';
if ( i == itemPosition ) {
$selected = 'selected';
}
var submenuString = wp.i18n.sprintf(
/* translators: 1: The current submenu item number, 2: The total number of submenu items. */
wp.i18n._x( '%1$s of %2$s', 'part of a total number of menu items' ),
i,
totalSubMenuItems
);
$html += '<option ' + $selected + ' value="' + i + '">' + submenuString + '</option>';
}
}
orderDropdown.html( $html );
});
});
}
});
},
countMenuItems : function( depth ) {
return $( '.menu-item-depth-' + depth ).length;
},
moveMenuItem : function( $this, dir ) {
var items, newItemPosition, newDepth,
menuItems = $( '#menu-to-edit li' ),
menuItemsCount = menuItems.length,
thisItem = $this.parents( 'li.menu-item' ),
thisItemChildren = thisItem.childMenuItems(),
thisItemData = thisItem.getItemData(),
thisItemDepth = parseInt( thisItem.menuItemDepth(), 10 ),
thisItemPosition = parseInt( thisItem.index(), 10 ),
nextItem = thisItem.next(),
nextItemChildren = nextItem.childMenuItems(),
nextItemDepth = parseInt( nextItem.menuItemDepth(), 10 ) + 1,
prevItem = thisItem.prev(),
prevItemDepth = parseInt( prevItem.menuItemDepth(), 10 ),
prevItemId = prevItem.getItemData()['menu-item-db-id'],
a11ySpeech = menus[ 'moved' + dir.charAt(0).toUpperCase() + dir.slice(1) ];
switch ( dir ) {
case 'up':
newItemPosition = thisItemPosition - 1;
// Already at top.
if ( 0 === thisItemPosition )
break;
// If a sub item is moved to top, shift it to 0 depth.
if ( 0 === newItemPosition && 0 !== thisItemDepth )
thisItem.moveHorizontally( 0, thisItemDepth );
// If prev item is sub item, shift to match depth.
if ( 0 !== prevItemDepth )
thisItem.moveHorizontally( prevItemDepth, thisItemDepth );
// Does this item have sub items?
if ( thisItemChildren ) {
items = thisItem.add( thisItemChildren );
// Move the entire block.
items.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
} else {
thisItem.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
}
break;
case 'down':
// Does this item have sub items?
if ( thisItemChildren ) {
items = thisItem.add( thisItemChildren ),
nextItem = menuItems.eq( items.length + thisItemPosition ),
nextItemChildren = 0 !== nextItem.childMenuItems().length;
if ( nextItemChildren ) {
newDepth = parseInt( nextItem.menuItemDepth(), 10 ) + 1;
thisItem.moveHorizontally( newDepth, thisItemDepth );
}
// Have we reached the bottom?
if ( menuItemsCount === thisItemPosition + items.length )
break;
items.detach().insertAfter( menuItems.eq( thisItemPosition + items.length ) ).updateParentMenuItemDBId();
} else {
// If next item has sub items, shift depth.
if ( 0 !== nextItemChildren.length )
thisItem.moveHorizontally( nextItemDepth, thisItemDepth );
// Have we reached the bottom?
if ( menuItemsCount === thisItemPosition + 1 )
break;
thisItem.detach().insertAfter( menuItems.eq( thisItemPosition + 1 ) ).updateParentMenuItemDBId();
}
break;
case 'top':
// Already at top.
if ( 0 === thisItemPosition )
break;
// Does this item have sub items?
if ( thisItemChildren ) {
items = thisItem.add( thisItemChildren );
// Move the entire block.
items.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
} else {
thisItem.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
}
break;
case 'left':
// As far left as possible.
if ( 0 === thisItemDepth )
break;
thisItem.shiftHorizontally( -1 );
break;
case 'right':
// Can't be sub item at top.
if ( 0 === thisItemPosition )
break;
// Already sub item of prevItem.
if ( thisItemData['menu-item-parent-id'] === prevItemId )
break;
thisItem.shiftHorizontally( 1 );
break;
}
$this.trigger( 'focus' );
api.registerChange();
api.refreshKeyboardAccessibility();
api.refreshAdvancedAccessibility();
thisItem.updateParentDropdown();
thisItem.updateOrderDropdown();
if ( a11ySpeech ) {
wp.a11y.speak( a11ySpeech );
}
},
initAccessibility : function() {
var menu = $( '#menu-to-edit' );
api.refreshKeyboardAccessibility();
api.refreshAdvancedAccessibility();
// Refresh the accessibility when the user comes close to the item in any way.
menu.on( 'mouseenter.refreshAccessibility focus.refreshAccessibility touchstart.refreshAccessibility' , '.menu-item' , function(){
api.refreshAdvancedAccessibilityOfItem( $( this ).find( 'a.item-edit' ) );
} );
// We have to update on click as well because we might hover first, change the item, and then click.
menu.on( 'click', 'a.item-edit', function() {
api.refreshAdvancedAccessibilityOfItem( $( this ) );
} );
// Links for moving items.
menu.on( 'click', '.menus-move', function () {
var $this = $( this ),
dir = $this.data( 'dir' );
if ( 'undefined' !== typeof dir ) {
api.moveMenuItem( $( this ).parents( 'li.menu-item' ).find( 'a.item-edit' ), dir );
}
});
// Set menu parents data for all menu items.
menu.updateParentDropdown();
// Set menu order data for all menu items.
menu.updateOrderDropdown();
// Update menu item parent when value is changed.
menu.on( 'change', '.edit-menu-item-parent', function() {
api.changeMenuParent( $( this ) );
});
// Update menu item order when value is changed.
menu.on( 'change', '.edit-menu-item-order', function() {
api.changeMenuOrder( $( this ) );
});
},
/**
* changeMenuParent( [parentDropdown] )
*
* @since 6.7.0
*
* @param {object} parentDropdown select field
*/
changeMenuParent : function( parentDropdown ) {
var menuItemNewPosition,
menuItems = $( '#menu-to-edit li' ),
$this = $( parentDropdown ),
newParentID = $this.val(),
menuItem = $this.closest( 'li.menu-item' ).first(),
menuItemOldDepth = menuItem.menuItemDepth(),
menuItemChildren = menuItem.childMenuItems(),
menuItemNoChildren = parseInt( menuItem.childMenuItems().length, 10 ),
parentItem = $( '#menu-item-' + newParentID ),
parentItemDepth = parentItem.menuItemDepth(),
menuItemNewDepth = parseInt( parentItemDepth ) + 1;
if ( newParentID == 0 ) {
menuItemNewDepth = 0;
}
menuItem.find( '.menu-item-data-parent-id' ).val( newParentID );
menuItem.moveHorizontally( menuItemNewDepth, menuItemOldDepth );
if ( menuItemNoChildren > 0 ) {
menuItem = menuItem.add( menuItemChildren );
}
menuItem.detach();
menuItems = $( '#menu-to-edit li' );
var parentItemPosition = parseInt( parentItem.index(), 10 ),
parentItemNoChild = parseInt( parentItem.childMenuItems().length, 10 );
if ( parentItemNoChild > 0 ){
menuItemNewPosition = parentItemPosition + parentItemNoChild;
} else {
menuItemNewPosition = parentItemPosition;
}
if ( newParentID == 0 ) {
menuItemNewPosition = menuItems.length - 1;
}
menuItem.insertAfter( menuItems.eq( menuItemNewPosition ) ).updateParentMenuItemDBId().updateParentDropdown().updateOrderDropdown();
api.registerChange();
api.refreshKeyboardAccessibility();
api.refreshAdvancedAccessibility();
$this.trigger( 'focus' );
wp.a11y.speak( menus.parentUpdated, 'polite' );
},
/**
* changeMenuOrder( [OrderDropdown] )
*
* @since 6.7.0
*
* @param {object} orderDropdown select field
*/
changeMenuOrder : function( orderDropdown ) {
var menuItems = $( '#menu-to-edit li' ),
$this = $( orderDropdown ),
newOrderID = parseInt( $this.val(), 10),
menuItem = $this.closest( 'li.menu-item' ).first(),
menuItemChildren = menuItem.childMenuItems(),
menuItemNoChildren = menuItemChildren.length,
menuItemCurrentPosition = parseInt( menuItem.index(), 10 ),
parentItemID = menuItem.find( '.menu-item-data-parent-id' ).val(),
subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemID + '"]' ),
currentItemAtPosition = $(subItems[newOrderID - 1]).closest( 'li.menu-item' );
if ( menuItemNoChildren > 0 ) {
menuItem = menuItem.add( menuItemChildren );
}
var currentItemNoChildren = currentItemAtPosition.childMenuItems().leng