WordPress/wp-admin/js/nav-menu.dev.js
2010-05-02 18:12:13 +00:00

715 lines
20 KiB
JavaScript

/**
* WordPress Administration Navigation Menu
* Interface JS functions
*
* @version 2.0.0
*
* @package WordPress
* @subpackage Administration
*/
var WPNavMenuHandler = function () {
var $ = jQuery,
activeHovering = false,
currentDropzone = null,
customLinkNameInput,
customLinkURLInput,
customLinkNameDefault,
customLinkURLDefault,
autoCompleteData = {},
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,
menuID = document.getElementById('nav-menu-meta-object-id').value;
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;
},
getParentMenuItemDBId = function() {
var allInputs = this.getElementsByTagName('input'),
i = allInputs.length,
j,
parentEl,
parentInputs;
while( i-- ) {
if ( -1 != allInputs[i].name.indexOf('menu-item-parent-id[' + parseInt(this.id.replace('menu-item-', ''), 10) + ']') ) {
/* This LI element is not in a submenu */
if ( ! this.parentNode.className || -1 == this.parentNode.className.indexOf('sub-menu') ) {
allInputs[i].value = 0;
/* This LI is in a submenu, so need to get the parent's object ID (which is different from the parent's DB ID, the ID in its attributes) */
} else if ( 'LI' == this.parentNode.parentNode.nodeName && -1 != this.parentNode.parentNode.id.indexOf('menu-item-') ) {
parentEl = this.parentNode.parentNode;
parentInputs = parentEl.getElementsByTagName('input');
j = parentInputs.length;
while ( j-- ) {
if ( parentInputs[j].name && -1 != parentInputs[j].name.indexOf('menu-item-object-id[' + parseInt(parentEl.id.replace('menu-item-', ''), 10) + ']') ) {
allInputs[i].value = parseInt(parentInputs[j].value, 10);
break;
}
}
}
break;
}
}
},
makeDroppable = function(el) {
var that = this;
$(el).droppable({
accept: '.menu li',
tolerance: 'pointer',
drop: function(e, ui) {
that.eventOnDrop(ui.draggable[0], this, ui, e);
},
over: function(e,ui) {
that.eventOnDragOver(ui.draggable[0], this, ui, e);
},
out: function(e, ui) {
that.eventOnDragOut(ui.draggable[0], this, ui, e);
}
});
},
menuList,
setupListItemsDragAndDrop = function(list) {
if ( ! list )
return;
var dummyListItem = document.getElementById(list.id + '-dummy-list-item'),
menuListItems = list.getElementsByTagName('li'),
i = menuListItems.length;
if ( ! dummyListItem ) {
dummyListItem = document.createElement('li');
dummyListItem.id = list.id + '-dummy-list-item';
list.appendChild(dummyListItem);
this.setupListItemDragAndDrop(dummyListItem);
}
while ( i-- )
this.setupListItemDragAndDrop(menuListItems[i]);
};
return {
// Functions that run on init.
init : function() {
menuList = document.getElementById('menu-to-edit');
this.attachMenuEditListeners();
this.attachMenuMetaListeners(document.getElementById('nav-menu-meta'));
this.attachTabsPanelListeners();
// init drag and drop
setupListItemsDragAndDrop.call(this, menuList);
this.initToggles();
},
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
this.hideAdvancedMenuItemFields();
},
hideAdvancedMenuItemFields : function(container) {
container = container || '.menu';
$('.hide-column-tog').not(':checked').each(function(){
$(container).find('.field-' + $(this).val() ).addClass('hidden-field');
});
},
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);
}
}
});
},
attachMenuMetaListeners : function(formEL) {
if ( ! formEL )
return;
var that = this, lwd = 'label-with-default-title';
$('.'+lwd).each(function(){
var $t = $(this), title = $t.attr('title'), val = $t.val();
$t.data(lwd, title);
if( '' == val ) $t.val(title);
else if ( title == val ) return;
else $t.removeClass(lwd);
}).focus(function(){
var $t = $(this);
if( $t.val() == $t.data(lwd) )
$t.val('').removeClass(lwd);
}).blur(function(){
var $t = $(this);
if( '' == $t.val() )
$t.val( $t.data(lwd) ).addClass(lwd);
});
// auto-suggest for the quick-search boxes
$('input.quick-search').each(function(i, el) {
that.setupQuickSearchEventListeners(el);
});
$(formEL).bind('submit', function(e) {
return that.eventSubmitMetaForm.call(that, this, e);
});
$(formEL).find('input:submit').click(function() {
$(this).siblings('img.waiting').show();
});
},
attachTabsPanelListeners : function() {
$('#menu-settings-column').bind('click', function(e) {
if ( e.target && e.target.className && -1 != e.target.className.indexOf('nav-tab-link') ) {
var activePanel,
panelIdMatch = /#(.*)$/.exec(e.target.href),
tabPanels,
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');
});
$('.tabs', wrapper).each(function() {
this.className = this.className.replace('tabs', '');
});
e.target.parentNode.className += ' tabs';
if ( panelIdMatch && panelIdMatch[1] ) {
activePanel = document.getElementById(panelIdMatch[1]);
if ( activePanel ) {
activePanel.className = activePanel.className.replace('tabs-panel-inactive', 'tabs-panel-active');
}
}
return false;
} else if ( e.target && e.target.className && -1 != e.target.className.indexOf('select-all') ) {
var selectAreaMatch = /#(.*)$/.exec(e.target.href);
if ( selectAreaMatch && selectAreaMatch[1] ) {
$('#' + selectAreaMatch[1] + ' .tabs-panel-active input[type=checkbox]').attr('checked', 'checked');
return false;
}
}
});
},
setupListItemDragAndDrop : function(el) {
var defLists = el.getElementsByTagName('dl'),
dropZone = this.makeListItemDropzone(el),
i = defLists.length;
makeDroppable.call(this, dropZone);
this.makeListItemDraggable(el);
while( i-- ) {
makeDroppable.call(this, defLists[i]);
}
},
/**
* 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;
}
},
/**
* Callback for the drag over action when dragging a list item.
*
* @param object draggedEl The DOM element being dragged
* @param object dropEl The DOM element on top of which we're dropping.
*/
eventOnDragOver : function(draggedEl, dropEl) {
activeHovering = true;
currentDropzone = dropEl;
dropEl.className += ' sortable-placeholder';
},
/**
* Callback for the drag out action when dragging a list item.
*
* @param object draggedEl The DOM element being dragged
* @param object dropEl The DOM element on top of which we're dropping.
*/
eventOnDragOut : function(draggedEl, dropEl) {
activeHovering = false;
/* delay the disappearance of the droppable area so it doesn't flicker in and out */
(function(that) {
setTimeout(function() {
if ( that != currentDropzone || ( ! activeHovering && that.className && -1 != that.className.indexOf('sortable-placeholder') ) ) {
that.className = that.className.replace(/sortable-placeholder/g, '');
}
}, 800);
})(dropEl);
},
/**
* Callback for the drop action when dragging and dropping a list item.
*
* @param object draggedEl The DOM element being dragged (and now dropped)
* @param object dropEl The DOM element on top of which we're dropping.
*/
eventOnDrop : function(draggedEl, dropEl) {
var dropIntoSublist = !! ( -1 == dropEl.className.indexOf('dropzone') ),
subLists = dropEl.parentNode.getElementsByTagName('ul'),
hasSublist = false,
i = subLists.length,
subList;
activeHovering = false;
dropEl.className = dropEl.className.replace(/sortable-placeholder/g, '');
if ( dropIntoSublist ) {
while ( i-- ) {
if ( subLists[i] && 1 != subLists[i].className.indexOf('sub-menu') ) {
hasSublist = true;
subList = subLists[i];
}
}
if ( ! hasSublist ) {
subList = document.createElement('ul');
subList.className = 'sub-menu';
dropEl.parentNode.appendChild(subList);
}
subList.appendChild(draggedEl);
} else {
dropEl.parentNode.parentNode.insertBefore(draggedEl, dropEl.parentNode);
}
this.recalculateSortOrder(menuList);
getParentMenuItemDBId.call(draggedEl);
},
/**
* Callback for the meta form submit action listener.
*
* @param object thisForm The submitted form.
* @param object e The event object.
*/
eventSubmitMetaForm : function(thisForm, e) {
var inputs = thisForm.getElementsByTagName('input'),
i = inputs.length,
j,
listItemData,
listItemDBID,
listItemDBIDMatch,
params = {},
processMethod = function(){},
re = new RegExp('menu-item\\[(\[^\\]\]*)');
that = this;
params['action'] = '';
while ( i-- ) {
if ( // we're submitting a checked item
inputs[i].name &&
-1 != inputs[i].name.indexOf('menu-item-object-id') &&
inputs[i].checked ||
( // or we're dealing with a custom link
'undefined' != typeof inputs[i].id &&
'custom-menu-item-url' == inputs[i].id &&
'' != inputs[i].value &&
'http://' != inputs[i].value
)
) {
params['action'] = 'add-menu-item';
processMethod = that.processAddMenuItemResponse;
listItemDBIDMatch = re.exec(inputs[i].name);
listItemDBID = 'undefined' == typeof listItemDBIDMatch[1] ? 0 : parseInt(listItemDBIDMatch[1], 10);
listItemData = getListDataFromID(listItemDBID);
for ( j in listItemData ) {
params['menu-item[' + listItemDBID + '][' + j + ']'] = listItemData[j];
}
inputs[i].checked = false;
// we're submitting a search term
} else if (
'' == params['action'] && // give precedence to adding items
'' != inputs[i].value &&
inputs[i].className &&
-1 != inputs[i].className.search(/quick-search\b[^-]/)
) {
params['action'] = 'menu-quick-search';
params['q'] = inputs[i].value;
params['response-format'] = 'markup';
params['type'] = inputs[i].name;
processMethod = that.processQuickSearchQueryResponse;
}
}
params['menu'] = thisForm.elements['menu'].value;
params['menu-settings-column-nonce'] = thisForm.elements['menu-settings-column-nonce'].value;
$.post( ajaxurl, params, function(menuMarkup) {
processMethod.call(that, menuMarkup, params);
$(thisForm).find('img.waiting').hide();
});
return false;
},
makeListItemDraggable : function(el) {
// make menu item draggable
$(el).draggable({
handle: ' > dl',
opacity: .8,
addClasses: false,
helper: 'clone',
zIndex: 100
});
},
/**
* Add the child element that acts as the dropzone for drag-n-drop.
*
* @param object el The parent object to which we'll prepend the dropzone.
* @return object The dropzone DOM element.
*/
makeListItemDropzone : function(el) {
if ( ! el )
return false;
var divs = el.getElementsByTagName('div'),
i = divs.length,
dropZone = document.createElement('div');
while( i-- ) {
if ( divs[i].className && -1 != divs[i].className.indexOf('dropzone') && ( el == divs[i].parentNode ) )
return divs[i];
}
dropZone.className = 'dropzone';
el.insertBefore(dropZone, el.firstChild);
return dropZone;
},
/**
* 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.
*/
processAddMenuItemResponse : function( menuMarkup, req ) {
if ( ! req )
req = {};
var dropZone,
dummyListItem = document.getElementById(menuList.id + '-dummy-list-item'),
i,
listElements,
wrap = document.createElement('ul');
wrap.innerHTML = menuMarkup;
listElements = wrap.getElementsByTagName('li');
i = listElements.length;
while ( i-- ) {
this.setupListItemDragAndDrop(listElements[i]);
if ( dummyListItem )
menuList.insertBefore(listElements[i], dummyListItem);
else
menuList.appendChild(listElements[i]);
}
this.recalculateSortOrder(menuList);
this.hideAdvancedMenuItemFields(menuList);
/* set custom link form back to defaults */
$('#custom-menu-item-name').val('').blur();
$('#custom-menu-item-url').val('http://');
},
/**
* 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]);
}
}
}
}
},
recalculateSortOrder : function(parentEl) {
var allInputs = parentEl.getElementsByTagName('input'),
i,
j = 0;
for( i = 0; i < allInputs.length; i++ ) {
if ( allInputs[i].name && -1 != allInputs[i].name.indexOf('menu-item-position') ) {
allInputs[i].value = ++j;
}
}
},
removeMenuItem : function(el) {
if ( ! el )
return false;
var subMenus = el.getElementsByTagName('ul'),
subs,
i;
if ( subMenus[0] ) {
subs = subMenus[0].getElementsByTagName('li');
for ( i = 0; i < subs.length; i++ ) {
if ( subs[i].id && -1 != subs[i].id.indexOf('menu-item-') && subs[i].parentNode == subMenus[0] ) {
el.parentNode.insertBefore(subs[i], el);
}
}
}
el.className += ' deleting';
$(el).fadeOut( 350 , function() {
this.parentNode.removeChild(this);
});
this.recalculateSortOrder(menuList);
}
}
}
var wpNavMenu = new WPNavMenuHandler();
jQuery(function() {
wpNavMenu.init();
});