WordPress/wp-admin/js/nav-menu.dev.js

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/**
* WordPress Administration Navigation Menu
* Interface JS functions
*
* @version 2.0.0
*
* @package WordPress
* @subpackage Administration
*/
var wpNavMenu;
(function($) {
var api = wpNavMenu = {
options : {
menuItemDepthPerLevel : 30, // Do not use directly. Use depthToPx and pxToDepth instead.
globalMaxDepth : 11
},
menuList : undefined, // Set in init.
targetList : undefined, // Set in init.
menusChanged : false,
// Functions that run on init.
init : function() {
api.menuList = $('#menu-to-edit');
api.targetList = api.menuList;
this.jQueryExtensions();
this.attachMenuEditListeners();
this.setupInputWithDefaultTitle();
this.attachAddMenuItemListeners();
this.attachQuickSearchListeners();
this.attachThemeLocationsListeners();
this.attachTabsPanelListeners();
this.attachHomeLinkListener();
this.attachUnsavedChangesListener();
if( api.menuList.length ) // If no menu, we're in the + tab.
this.initSortables();
this.initToggles();
this.initTabManager();
},
jQueryExtensions : function() {
// jQuery extensions
$.fn.extend({
menuItemDepth : function() {
var margin = 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();
$(this).removeClass('menu-item-depth-'+ depth )
.addClass('menu-item-depth-'+ (depth + change) );
});
},
childMenuItems : function() {
var result = $();
this.each(function(){
var t = $(this), depth = t.menuItemDepth(), next = t.next();
while( next.length && next.menuItemDepth() > depth ) {
result = result.add( next );
next = next.next();
}
});
return result;
},
updateParentMenuItemDBId : function() {
return this.each(function(){
var item = $(this),
input = item.find('.menu-item-data-parent-id'),
depth = item.menuItemDepth(),
parent = item.prev();
if( depth == 0 ) { // Item is on the top level, has no parent
input.val(0);
} else { // Find the parent item, and retrieve its object id.
while( parent.menuItemDepth() != depth - 1 ) {
parent = parent.prev();
}
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.
*
* @param jQuery metabox The metabox jQuery object.
*/
addSelectedToMenu : function(processMethod) {
return this.each(function() {
var t = $(this), menuItems = {},
checkboxes = t.find('.tabs-panel-active .categorychecklist li input:checked'),
re = new RegExp('menu-item\\[(\[^\\]\]*)');
processMethod = processMethod || api.addMenuItemToBottom;
// If no items are checked, bail.
if ( !checkboxes.length )
return false;
// Show the ajax spinner
t.find('img.waiting').show();
// 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);
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.removeAttr('checked');
t.find('img.waiting').hide();
});
});
},
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;
}
});
},
initToggles : function() {
// init postboxes
postboxes.add_postbox_toggles('nav-menus');
// adjust columns functions for menus UI
columns.useCheckboxesForHidden();
columns.checked = function(field) {
$('.field-' + field).removeClass('hidden-field');
}
columns.unchecked = function(field) {
$('.field-' + field).addClass('hidden-field');
}
// hide fields
api.menuList.hideAdvancedMenuItemFields();
},
initSortables : function() {
var currentDepth = 0, originalDepth, minDepth, maxDepth,
prev, next, prevBottom, nextThreshold, helperHeight, transport,
menuLeft = api.menuList.offset().left;
api.menuList.sortable({
handle: '.menu-item-handle',
placeholder: 'sortable-placeholder',
start: function(e, ui) {
var height, width, parent, children, maxChildDepth, tempHolder;
transport = ui.item.children('.menu-item-transport');
// Set depths. currentDepth must be set before children are located.
originalDepth = ui.item.menuItemDepth();
updateCurrentDepth(ui, originalDepth);
// Attach child elements to parent
// Skip the placeholder
parent = ( ui.item.next()[0] == ui.placeholder[0] ) ? ui.item.next() : ui.item;
children = parent.childMenuItems();
transport.append( children );
// Update the height of the placeholder to match the moving item.
height = transport.outerHeight();
// If there are children, account for distance between top of children and parent
height += ( height > 0 ) ? (ui.placeholder.css('margin-top').slice(0, -2) * 1) : 0;
height += ui.helper.outerHeight();
helperHeight = height;
height -= 2; // Subtract 2 for borders
ui.placeholder.height(height);
// Update the width of the placeholder to match the moving item.
maxChildDepth = originalDepth;
children.each(function(){
var depth = $(this).menuItemDepth();
maxChildDepth = (depth > maxChildDepth) ? depth : maxChildDepth;
});
width = ui.helper.find('.menu-item-handle').outerWidth(); // Get original width
width += api.depthToPx(maxChildDepth - originalDepth); // Account for children
width -= 2; // Subtract 2 for borders
ui.placeholder.width(width);
// Update the list of menu items.
tempHolder = ui.placeholder.next();
tempHolder.css( 'margin-top', helperHeight + 'px' ); // Set the margin to absorb the placeholder
ui.placeholder.detach(); // detach or jQuery UI will think the placeholder is a menu item
$(this).sortable( "refresh" ); // The children aren't sortable. We should let jQ UI know.
ui.item.after( ui.placeholder ); // reattach the placeholder.
tempHolder.css('margin-top', 0); // reset the margin
// Now that the element is complete, we can update...
updateSharedVars(ui);
},
stop: function(e, ui) {
var children, depthChange = currentDepth - originalDepth;
// Return child elements to the list
children = transport.children().insertAfter(ui.item);
// Update depth classes
if( depthChange != 0 ) {
ui.item.updateDepthClass( currentDepth );
children.shiftDepthClass( depthChange );
api.registerChange();
}
// Update the item data.
ui.item.updateParentMenuItemDBId();
// address sortable's incorrectly-calculated top in opera
ui.item[0].style.top = 0;
},
change: function(e, ui) {
// Make sure the placeholder is inside the menu.
// Otherwise fix it, or we're in trouble.
if( ! ui.placeholder.parent().hasClass('menu') )
(prev.length) ? prev.after( ui.placeholder ) : api.menuList.prepend( ui.placeholder );
updateSharedVars(ui);
},
sort: function(e, ui) {
var offset = ui.helper.offset(),
depth = api.pxToDepth( offset.left - menuLeft );
// Check and correct if depth is not within range.
// Also, if the dragged element is dragged upwards over
// an item, shift the placeholder to a child position.
if ( depth > maxDepth || offset.top < prevBottom ) depth = maxDepth;
else if ( depth < minDepth ) depth = minDepth;
if( depth != currentDepth )
updateCurrentDepth(ui, depth);
// If we overlap the next element, manually shift downwards
if( nextThreshold && offset.top + helperHeight > nextThreshold ) {
next.after( ui.placeholder );
updateSharedVars( ui );
$(this).sortable( "refreshPositions" );
}
},
update: function(e, ui) {
api.registerChange();
}
});
function updateSharedVars(ui) {
var depth;
prev = ui.placeholder.prev();
next = ui.placeholder.next();
// Make sure we don't select the moving item.
if( prev[0] == ui.item[0] ) prev = prev.prev();
if( next[0] == ui.item[0] ) next = next.next();
prevBottom = (prev.length) ? prev.offset().top + prev.height() : 0;
nextThreshold = (next.length) ? next.offset().top + next.height() / 3 : 0;
minDepth = (next.length) ? next.menuItemDepth() : 0;
if( prev.length )
maxDepth = ( (depth = prev.menuItemDepth() + 1) > api.options.globalMaxDepth ) ? api.options.globalMaxDepth : depth;
else
maxDepth = 0;
}
function updateCurrentDepth(ui, depth) {
ui.placeholder.updateDepthClass( depth, currentDepth );
currentDepth = depth;
}
},
attachMenuEditListeners : function() {
var that = this;
$('#update-nav-menu').bind('click', function(e) {
if ( e.target && e.target.className ) {
if ( -1 != e.target.className.indexOf('item-edit') ) {
return that.eventOnClickEditLink(e.target);
} else if ( -1 != e.target.className.indexOf('menu-save') ) {
return that.eventOnClickMenuSave(e.target);
} else if ( -1 != e.target.className.indexOf('menu-delete') ) {
return that.eventOnClickMenuDelete(e.target);
} else if ( -1 != e.target.className.indexOf('item-delete') ) {
return that.eventOnClickMenuItemDelete(e.target);
} else if ( -1 != e.target.className.indexOf('item-cancel') ) {
return that.eventOnClickCancelLink(e.target);
}
}
});
},
/**
* An interface for managing default values for input elements
* that is both JS and accessibility-friendly.
*
* Input elements that add the class 'input-with-default-title'
* will have their values set to the provided HTML title when empty.
*/
setupInputWithDefaultTitle : function() {
var name = 'input-with-default-title';
$('.' + name).each( function(){
var $t = $(this), title = $t.attr('title'), val = $t.val();
$t.data( name, title );
if( '' == val ) $t.val( title );
else if ( title == val ) return;
else $t.removeClass( name );
}).focus( function(){
var $t = $(this);
if( $t.val() == $t.data(name) )
$t.val('').removeClass( name );
}).blur( function(){
var $t = $(this);
if( '' == $t.val() )
$t.addClass( name ).val( $t.data(name) );
});
},
attachAddMenuItemListeners : function() {
var form = $('#nav-menu-meta');
form.find('.add-to-menu input').click(function(){
api.registerChange();
$(this).trigger('wp-add-menu-item', [api.addMenuItemToBottom]);
return false;
});
form.find('.customlinkdiv').bind('wp-add-menu-item', function(e, processMethod) {
api.addCustomLink( processMethod );
});
form.find('.posttypediv, .taxonomydiv').bind('wp-add-menu-item', function(e, processMethod) {
$(this).addSelectedToMenu( processMethod );
});
},
attachThemeLocationsListeners : function() {
var loc = $('#nav-menu-theme-locations'), params = {};
params['action'] = 'menu-locations-save';
params['menu-settings-column-nonce'] = $('#menu-settings-column-nonce').val();
loc.find('input[type=submit]').click(function() {
loc.find('select').each(function() {
params[this.name] = $(this).val();
});
loc.find('.waiting').show();
$.post( ajaxurl, params, function(r) {
loc.find('.waiting').hide();
});
return false;
});
},
attachQuickSearchListeners : function() {
var searchTimer;
$('.quick-search').keypress(function(e){
var t = $(this);
if( 13 == e.which ) {
api.updateQuickSearchResults( t );
return false;
}
if( searchTimer ) clearTimeout(searchTimer);
searchTimer = setTimeout(function(){
api.updateQuickSearchResults( t );
}, 400);
}).attr('autocomplete','off');
},
updateQuickSearchResults : function(input) {
var panel, params,
minSearchLength = 2,
q = input.val();
if( q.length < minSearchLength ) return;
panel = input.parents('.tabs-panel');
params = {
'action': 'menu-quick-search',
'response-format': 'markup',
'menu': $('#menu').val(),
'menu-settings-column-nonce': $('#menu-settings-column-nonce').val(),
'q': q,
'type': input.attr('name')
};
$('img.waiting', panel).show();
$.post( ajaxurl, params, function(menuMarkup) {
api.processQuickSearchQueryResponse(menuMarkup, params, panel);
});
},
addCustomLink : function( processMethod ) {
var url = $('#custom-menu-item-url').val(),
label = $('#custom-menu-item-name').val();
processMethod = processMethod || api.addMenuItemToBottom;
if ( '' == url || 'http://' == url )
return false;
// Show the ajax spinner
$('.customlinkdiv img.waiting').show();
this.addLinkToMenu( url, label, processMethod, function() {
// Remove the ajax spinner
$('.customlinkdiv img.waiting').hide();
// Set custom link form back to defaults
$('#custom-menu-item-name').val('').blur();
$('#custom-menu-item-url').val('http://');
});
},
addLinkToMenu : function(url, label, processMethod, callback) {
processMethod = processMethod || api.addMenuItemToBottom;
callback = callback || function(){};
api.addItemToMenu({
'-1': {
'menu-item-type': 'custom',
'menu-item-url': url,
'menu-item-title': label
}
}, processMethod, callback);
},
addItemToMenu : function(menuItem, processMethod, callback) {
var menu = $('#menu').val(),
nonce = $('#menu-settings-column-nonce').val();
processMethod = processMethod || function(){};
callback = callback || function(){};
params = {
'action': 'add-menu-item',
'menu': menu,
'menu-settings-column-nonce': nonce,
'menu-item': menuItem
};
$.post( ajaxurl, params, function(menuMarkup) {
processMethod(menuMarkup, params);
callback();
});
},
/**
* Process the add menu item request response into menu list item.
*
* @param string menuMarkup The text server response of menu item markup.
* @param object req The request arguments.
*/
addMenuItemToBottom : function( menuMarkup, req ) {
$(menuMarkup).hideAdvancedMenuItemFields().appendTo( api.targetList );
},
addMenuItemToTop : function( menuMarkup, req ) {
$(menuMarkup).hideAdvancedMenuItemFields().prependTo( api.targetList );
},
attachHomeLinkListener : function() {
$('.add-home-link', '.customlinkdiv').click(function(e) {
api.addLinkToMenu( navMenuL10n.homeurl, navMenuL10n.home, api.addMenuItemToTop );
return false;
});
},
attachUnsavedChangesListener : function() {
$('#menu-management input, #menu-management select, #menu-management, #menu-management textarea').change(function(){
api.registerChange();
});
window.onbeforeunload = function(){
if ( api.menusChanged )
return navMenuL10n.saveAlert;
};
$('input.menu-save').click(function(){
window.onbeforeunload = null;
});
},
registerChange : function() {
api.menusChanged = true;
},
attachTabsPanelListeners : function() {
$('#menu-settings-column').bind('click', function(e) {
var selectAreaMatch, panelId, wrapper, items,
target = $(e.target);
if ( target.hasClass('nav-tab-link') ) {
panelId = /#(.*)$/.exec(e.target.href);
if ( panelId && panelId[1] )
panelId = panelId[1]
else
return false;
wrapper = target.parents('.inside').first();
// upon changing tabs, we want to uncheck all checkboxes
$('input', wrapper).removeAttr('checked');
$('.tabs-panel-active', wrapper).removeClass('tabs-panel-active').addClass('tabs-panel-inactive');
$('#' + panelId, wrapper).removeClass('tabs-panel-inactive').addClass('tabs-panel-active');
$('.tabs', wrapper).removeClass('tabs');
target.parent().addClass('tabs');
// select the search bar
$('.quick-search', wrapper).focus();
return false;
} else if ( target.hasClass('select-all') ) {
selectAreaMatch = /#(.*)$/.exec(e.target.href);
if ( selectAreaMatch && selectAreaMatch[1] ) {
items = $('#' + selectAreaMatch[1] + ' .tabs-panel-active .menu-item-title input');
if( items.length === items.filter(':checked').length )
items.removeAttr('checked');
else
items.attr('checked', 'checked');
return false;
}
}
});
},
initTabManager : function() {
var fixed = $('.nav-tabs-wrapper'),
fluid = fixed.children('.nav-tabs'),
active = fluid.children('.nav-tab-active'),
tabs = fluid.children('.nav-tab'),
tabsWidth = 0,
fixedRight, fixedLeft,
arrowLeft, arrowRight,
resizing = false;
function resetMenuTabs() {
fixedLeft = fixed.offset().left;
fixedRight = fixedLeft + fixed.width();
active.makeTabVisible();
}
$.fn.extend({
makeTabVisible : function() {
var t = this.eq(0), left, right;
if( ! t.length ) return;
left = t.offset().left;
right = left + t.outerWidth();
if( right > fixedRight )
fluid.animate({ 'margin-left' : "+=" + (fixedRight - right) + 'px' }, 'fast');
else if ( left < fixedLeft )
fluid.animate({ 'margin-left' : "-=" + (left - fixedLeft) + 'px' }, 'fast');
return t;
},
isTabVisible : function() {
var t = this.eq(0),
left = t.offset().left,
right = left + t.outerWidth();
return ( right <= fixedRight && left >= fixedLeft ) ? true : false;
}
});
// Find the width of all tabs
tabs.each(function(){
tabsWidth += $(this).outerWidth(true);
});
// Check if we need the tab manager
if( tabsWidth <= fixed.width()
- fluid.css('padding-left').slice(0,-2)
- fluid.css('padding-right').slice(0,-2) )
return;
// Set up right margin for overflow, unset padding
fluid.css({
'margin-right' : (-1 * tabsWidth) + 'px',
'padding' : 0
});
// Build tab navigation
arrowLeft = $('<div class="nav-tabs-arrow nav-tabs-arrow-left"><a>&laquo;</a></div>');
arrowRight = $('<div class="nav-tabs-arrow nav-tabs-arrow-right"><a>&raquo;</a></div>');
// Attach to the document
fixed.wrap('<div class="nav-tabs-nav"/>').parent().prepend( arrowLeft ).append( arrowRight );
// Set the menu tabs
resetMenuTabs();
// Make sure the tabs reset on resize
$(window).resize(function() {
if( resizing ) return;
resizing = true;
setTimeout(function(){
resetMenuTabs();
resizing = false;
}, 1000);
});
// Build arrow functions
$.each([{
arrow : arrowLeft,
next : "next",
last : "first",
operator : "+="
},{
arrow : arrowRight,
next : "prev",
last : "last",
operator : "-="
}], function(){
var that = this;
this.arrow.mousedown(function(){
var last = tabs[that.last](),
fn = function() {
if( ! last.isTabVisible() )
fluid.animate({ 'margin-left' : that.operator + '90px' }, 300, "linear", fn);
};
fn();
}).mouseup(function(){
var tab, next;
fluid.stop(true);
tab = tabs[that.last]();
while( (next = tab[that.next]()) && next.length && ! next.isTabVisible() ) {
tab = next;
}
tab.makeTabVisible();
});
});
},
eventOnClickEditLink : function(clickedEl) {
var settings, item,
matchedSection = /#(.*)$/.exec(clickedEl.href);
if ( matchedSection && matchedSection[1] ) {
settings = $('#'+matchedSection[1]);
item = settings.parent();
if( 0 != item.length ) {
if( item.hasClass('menu-item-edit-inactive') ) {
if( ! settings.data('menu-item-data') ) {
settings.data( 'menu-item-data', settings.getItemData() );
}
settings.slideDown('fast');
item.removeClass('menu-item-edit-inactive')
.addClass('menu-item-edit-active');
} else {
settings.slideUp('fast');
item.removeClass('menu-item-edit-active')
.addClass('menu-item-edit-inactive');
}
return false;
}
}
},
eventOnClickCancelLink : function(clickedEl) {
var settings = $(clickedEl).closest('.menu-item-settings');
settings.setItemData( settings.data('menu-item-data') );
return false;
},
eventOnClickMenuSave : function(clickedEl) {
var locs = '';
// Copy menu theme locations
$('#nav-menu-theme-locations select').each(function() {
locs += '<input type="hidden" name="' + this.name + '" value="' + $(this).val() + '" />';
});
$('#update-nav-menu').append( locs );
// Update menu item position data
api.menuList.find('.menu-item-data-position').val( function(index) { return index + 1; } );
return true;
},
eventOnClickMenuDelete : function(clickedEl) {
// Delete warning AYS
if ( confirm( navMenuL10n.warnDeleteMenu ) )
return true;
else
return false;
},
eventOnClickMenuItemDelete : function(clickedEl) {
var itemID = parseInt(clickedEl.id.replace('delete-', ''), 10);
api.removeMenuItem( $('#menu-item-' + itemID) );
return false;
},
/**
* Process the quick search response into a search result
*
* @param string resp The server response to the query.
* @param object req The request arguments.
* @param jQuery panel The tabs panel we're searching in.
*/
processQuickSearchQueryResponse : function(resp, req, panel) {
var i, matched, newID,
takenIDs = {},
form = document.getElementById('nav-menu-meta'),
pattern = new RegExp('menu-item\\[(\[^\\]\]*)', 'g'),
items = resp.match(/<li>.*<\/li>/g);
if( ! items ) {
$('.categorychecklist', panel).html( '<li><p>' + navMenuL10n.noResultsFound + '</p></li>' );
$('img.waiting', panel).hide();
return;
}
i = items.length;
while( i-- ) {
// make a unique DB ID number
matched = pattern.exec(items[i]);
if ( matched && matched[1] ) {
newID = matched[1];
while( form.elements['menu-item[' + newID + '][menu-item-type]'] || takenIDs[ newID ] ) {
newID--;
}
takenIDs[newID] = true;
if ( newID != matched[1] ) {
items[i] = items[i].replace(new RegExp('menu-item\\[' + matched[1] + '\\]', 'g'), 'menu-item[' + newID + ']');
}
}
}
$('.categorychecklist', panel).html( items.join('') );
$('img.waiting', panel).hide();
},
removeMenuItem : function(el) {
var children = el.childMenuItems();
el.addClass('deleting').animate({
opacity : 0,
height: 0
}, 350, function() {
el.remove();
children.shiftDepthClass(-1).updateParentMenuItemDBId();
});
},
depthToPx : function(depth) {
return depth * api.options.menuItemDepthPerLevel;
},
pxToDepth : function(px) {
return Math.floor(px / api.options.menuItemDepthPerLevel);
}
};
$(document).ready(function(){ wpNavMenu.init(); });
})(jQuery);