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

842 lines
24 KiB
JavaScript

/**
* WordPress Administration Navigation Menu
* Interface JS functions
*
* @version 2.0.0
*
* @package WordPress
* @subpackage Administration
*/
var wpNavMenu, WPNavMenuHandler = function ($) {
var autoCompleteData = {},
menuItemDepthPerLevel = 30, // Do not use directly. Use depthToPx and pxToDepth instead.
globalMaxDepth = 11,
formatAutocompleteResponse = function( resultRow, pos, total, queryTerm ) {
if ( resultRow && resultRow[0] ) {
var data = $.parseJSON(resultRow[0]);
if ( data.post_title ) {
if ( data.ID && data.post_type )
autoCompleteData[data.post_title] = {ID: data.ID, object_type: data.post_type};
return data.post_title;
}
}
},
formatAutocompleteResult = function( resultRow, pos, total, queryTerm ) {
if ( resultRow && resultRow[0] ) {
var data = $.parseJSON(resultRow[0]);
if ( data.post_title )
return data.post_title;
}
},
getListDataFromID = function(menuItemID, parentEl) {
if ( ! menuItemID )
return false;
parentEl = parentEl || document;
var fields = [
'menu-item-db-id',
'menu-item-object-id',
'menu-item-object',
'menu-item-parent-id',
'menu-item-position',
'menu-item-type',
'menu-item-append',
'menu-item-title',
'menu-item-url',
'menu-item-description',
'menu-item-attr-title',
'menu-item-target',
'menu-item-classes',
'menu-item-xfn'
],
itemData = {},
inputs = parentEl.getElementsByTagName('input'),
i = inputs.length,
j;
while ( i-- ) {
j = fields.length;
while ( j-- ) {
if (
inputs[i] &&
inputs[i].name &&
'menu-item[' + menuItemID + '][' + fields[j] + ']' == inputs[i].name
) {
itemData[fields[j]] = inputs[i].value;
}
}
}
return itemData;
},
recalculateMenuItemPositions = function() {
menuList.find('.menu-item-data-position').val( function(index) { return index + 1; } );
},
depthToPx = function(depth) {
return depth * menuItemDepthPerLevel;
},
pxToDepth = function(px) {
return Math.floor(px / menuItemDepthPerLevel);
},
menuList, targetList, api;
return api = {
// Functions that run on init.
init : function() {
menuList = $('#menu-to-edit');
targetList = menuList;
this.jQueryExtensions();
this.attachMenuEditListeners();
this.setupInputWithDefaultTitle();
this.attachAddMenuItemListeners();
this.attachQuickSearchListeners();
this.attachTabsPanelListeners();
this.attachHomeLinkListener();
if( menuList.length ) // If no menu, we're in the + tab.
this.initSortables();
this.initToggles();
this.initTabManager();
this.checkForEmptyMenu();
},
jQueryExtensions : function() {
// jQuery extensions
$.fn.extend({
menuItemDepth : function() {
return pxToDepth( this.eq(0).css('margin-left').slice(0, -2) );
},
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 listItemDBIDMatch = re.exec( $(this).attr('name') ),
listItemDBID = 'undefined' == typeof listItemDBIDMatch[1] ? 0 : parseInt(listItemDBIDMatch[1], 10);
menuItems[listItemDBID] = getListDataFromID(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();
});
});
},
});
},
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
menuList.hideAdvancedMenuItemFields();
},
initSortables : function() {
var currentDepth = 0, originalDepth, minDepth, maxDepth,
menuLeft = menuList.offset().left,
newItem, transport;
menuList.sortable({
handle: '.menu-item-handle',
placeholder: 'sortable-placeholder',
start: function(e, ui) {
var height, width, parent, children, maxChildDepth;
transport = ui.item.children('.menu-item-transport');
// Set depths. currentDepth must be set before children are located.
originalDepth = ( newItem ) ? 0 : 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 );
// Now that the element is complete, we can update...
updateDepthRange(ui);
// 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();
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 += depthToPx(maxChildDepth - originalDepth); // Account for children
width -= 2; // Subtract 2 for borders
ui.placeholder.width(width);
},
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 );
}
// Update the item data.
ui.item.updateParentMenuItemDBId();
// Update positions
recalculateMenuItemPositions();
},
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') )
ui.placeholder.appendTo(menuList);
updateDepthRange(ui);
},
sort: function(e, ui) {
var depth = pxToDepth(ui.helper.offset().left - menuLeft);
// Check and correct if depth is not within range.
if ( depth < minDepth ) depth = minDepth;
else if ( depth > maxDepth ) depth = maxDepth;
if( depth != currentDepth )
updateCurrentDepth(ui, depth);
},
});
function updateDepthRange(ui) {
var prev = ui.placeholder.prev(),
next = ui.placeholder.next(), depth;
// 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();
minDepth = (next.length) ? next.menuItemDepth() : 0;
if( prev.length )
maxDepth = ( (depth = prev.menuItemDepth() + 1) > globalMaxDepth ) ? 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-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-close') ) {
return that.eventOnClickCloseLink(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(){
$(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 );
});
},
attachQuickSearchListeners : function() {
var that = this,
form = $('#nav-menu-meta');
// auto-suggest for the quick-search boxes
$('input.quick-search').each(function(i, el) {
that.setupQuickSearchEventListeners(el);
});
form.find('.quick-search-submit').click(function() {
$(this).trigger('wp-quick-search');
return false;
});
form.find('.inside').children().bind('wp-quick-search', function() {
that.quickSearch( $(this).attr('id') );
});
},
quickSearch : function(id) {
var type = $('#' + id + ' .quick-search').attr('name'),
q = $('#' + id + ' .quick-search').val(),
menu = $('#menu').val(),
nonce = $('#menu-settings-column-nonce').val(),
params = {},
that = this,
processMethod = function(){};
processMethod = that.processQuickSearchQueryResponse;
params = {
'action': 'menu-quick-search',
'response-format': 'markup',
'menu': menu,
'menu-settings-column-nonce': nonce,
'q': q,
'type': type
};
$.post( ajaxurl, params, function(menuMarkup) {
processMethod.call(that, menuMarkup, params);
});
},
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( targetList );
},
addMenuItemToTop : function( menuMarkup, req ) {
$(menuMarkup).hideAdvancedMenuItemFields().prependTo( targetList );
},
attachHomeLinkListener : function() {
$('.add-home-link', '.customlinkdiv').click(function(e) {
api.addLinkToMenu( navMenuL10n.homeurl, navMenuL10n.home, api.addMenuItemToTop, recalculateMenuItemPositions );
return false;
});
},
attachTabsPanelListeners : function() {
$('#menu-settings-column').bind('click', function(e) {
var selectAreaMatch, activePanel, panelIdMatch, wrapper, inputs, i, items;
if ( e.target && e.target.className && -1 != e.target.className.indexOf('nav-tab-link') ) {
panelIdMatch = /#(.*)$/.exec(e.target.href);
wrapper = $(e.target).parents('.inside').first()[0];
inputs = wrapper ? wrapper.getElementsByTagName('input') : [];
i = inputs.length;
// upon changing tabs, we want to uncheck all checkboxes
while( i-- )
inputs[i].checked = false;
$('.tabs-panel', wrapper).each(function() {
if ( this.className )
this.className = this.className.replace('tabs-panel-active', 'tabs-panel-inactive');
});
$('.tabs', wrapper).each(function() {
this.className = this.className.replace('tabs', '');
});
e.target.parentNode.className += ' tabs';
if ( panelIdMatch && panelIdMatch[1] ) {
activePanel = document.getElementById(panelIdMatch[1]);
if ( activePanel ) {
activePanel.className = activePanel.className.replace('tabs-panel-inactive', 'tabs-panel-active');
}
}
return false;
} else if ( e.target && e.target.className && -1 != e.target.className.indexOf('select-all') ) {
selectAreaMatch = /#(.*)$/.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();
});
});
},
/**
* Set up quick-search input fields' events.
*
* @param object el The input element.
*/
setupQuickSearchEventListeners : function(el) {
var that = this;
$(el).autocomplete( ajaxurl + '?action=menu-quick-search&type=' + el.name,
{
delay: 500,
formatItem: formatAutocompleteResponse,
formatResult: formatAutocompleteResult,
minchars: 2,
multiple: false
}
).bind('blur', function(e) {
var changedData = autoCompleteData[this.value],
inputEl = this;
if ( changedData ) {
$.post(
ajaxurl + '?action=menu-quick-search&type=get-post-item&response-format=markup',
changedData,
function(r) {
that.processQuickSearchQueryResponse.call(that, r, changedData);
autoCompleteData[inputEl.value] = false;
}
);
}
});
},
eventOnClickEditLink : function(clickedEl) {
var activeEdit,
matchedSection = /#(.*)$/.exec(clickedEl.href);
if ( matchedSection && matchedSection[1] ) {
activeEdit = $('#'+matchedSection[1]);
if( 0 != activeEdit.length ) {
if( activeEdit.hasClass('menu-item-edit-inactive') ) {
activeEdit.slideDown('fast')
.siblings('dl').andSelf()
.removeClass('menu-item-edit-inactive')
.addClass('menu-item-edit-active');
} else {
activeEdit.slideUp('fast')
.siblings('dl').andSelf()
.removeClass('menu-item-edit-active')
.addClass('menu-item-edit-inactive');
}
return false;
}
}
},
eventOnClickCloseLink : function(clickedEl) {
$(clickedEl).closest('.menu-item-settings').siblings('dl').find('.item-edit').click();
return false;
},
eventOnClickMenuDelete : function(clickedEl) {
// Delete warning AYS
if ( confirm( navMenuL10n.warnDeleteMenu ) )
return true;
else
return false;
},
eventOnClickMenuItemDelete : function(clickedEl) {
var itemID,
matchedSection,
that = this;
// Delete warning AYS
if ( confirm( navMenuL10n.warnDeleteMenuItem ) ) {
matchedSection = /_wpnonce=([a-zA-Z0-9]*)$/.exec(clickedEl.href);
if ( matchedSection && matchedSection[1] ) {
itemID = parseInt(clickedEl.id.replace('delete-', ''), 10);
$.post(
ajaxurl,
{
action:'delete-menu-item',
'menu-item':itemID,
'_wpnonce':matchedSection[1]
},
function (resp) {
if ( '1' == resp )
that.removeMenuItem(document.getElementById('menu-item-' + itemID));
}
);
return false;
}
return true;
} else {
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.
*/
processQuickSearchQueryResponse : function(resp, req) {
if ( ! req )
req = {};
var wrap = document.createElement('ul'),
form = document.getElementById('nav-menu-meta'),
i,
items,
matched,
message,
newID,
pattern = new RegExp('menu-item\\[(\[^\\]\]*)'),
resultList;
// make a unique DB ID number
matched = pattern.exec(resp);
if ( matched && matched[1] ) {
newID = matched[1];
while( form.elements['menu-item[' + newID + '][menu-item-type]'] ) {
newID--;
}
if ( newID != matched[1] ) {
resp = resp.replace(new RegExp('menu-item\\[' + matched[1] + '\\]', 'g'), 'menu-item[' + newID + ']');
}
}
wrap.innerHTML = resp;
items = wrap.getElementsByTagName('li');
if ( items[0] && req.object_type ) {
resultList = document.getElementById(req.object_type + '-search-checklist');
if ( resultList ) {
resultList.appendChild(items[0]);
}
} else if ( req.type ) {
matched = /quick-search-(posttype|taxonomy)-([a-zA-Z_-]*)/.exec(req.type);
if ( matched && matched[2] ) {
resultList = document.getElementById(matched[2] + '-search-checklist');
if ( resultList ) {
i = items.length;
if ( ! i ) {
message = document.createElement('li');
message.appendChild(document.createTextNode(navMenuL10n.noResultsFound));
resultList.appendChild(message);
}
while( i-- ) {
resultList.appendChild(items[i]);
}
}
}
}
},
removeMenuItem : function(el) {
el = $(el)
var children = el.childMenuItems(),
that = this;
el.addClass('deleting').fadeOut( 350 , function() {
el.remove();
children.shiftDepthClass(-1).updateParentMenuItemDBId();
recalculateMenuItemPositions();
that.checkForEmptyMenu();
});
},
checkForEmptyMenu : function() {
if( menuList.children().length ) return;
menuList.height(80).one('sortstop', function(){
$(this).height('auto');
});
}
}
}
wpNavMenu = new WPNavMenuHandler(jQuery);
jQuery(function() {
wpNavMenu.init();
});