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#19222: Fixing MenuWidgetPartDriver to correctly start and cut-off menu item hierarchies.

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Work Item: 19222

--HG--
branch : 1.x
This commit is contained in:
Sipke Schoorstra
2013-03-04 16:21:51 +01:00
parent 50f6a79ce4
commit 21f538e54d
1 changed files with 27 additions and 47 deletions
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74
src/Orchard.Web/Core/Navigation/Drivers/MenuWidgetPartDriver.cs
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@@ -56,9 +56,7 @@ namespace Orchard.Core.Navigation.Drivers {
var menuName = menu.As<TitlePart>().Title.HtmlClassify();
var currentCulture = _workContextAccessor.GetContext().CurrentCulture;
IEnumerable<MenuItem> menuItems = _navigationManager.BuildMenu(menu);
var menuItems = _navigationManager.BuildMenu(menu);
var localized = new List<MenuItem>();
foreach(var menuItem in menuItems) {
// if there is no associated content, it as culture neutral
@@ -75,10 +73,8 @@ namespace Orchard.Core.Navigation.Drivers {
menuItems = localized;
var routeData = _workContextAccessor.GetContext().HttpContext.Request.RequestContext.RouteData;
var selectedPath = NavigationHelper.SetSelectedPath(menuItems, routeData);
dynamic menuShape = shapeHelper.Menu();
var selectedPath = NavigationHelper.SetSelectedPath(menuItems, routeData);
var menuShape = shapeHelper.Menu();
if (part.Breadcrumb) {
menuItems = selectedPath ?? new Stack<MenuItem>();
@@ -113,57 +109,41 @@ namespace Orchard.Core.Navigation.Drivers {
}
menuItems = result;
menuShape = shapeHelper.Breadcrumb();
}
else {
IEnumerable<MenuItem> topLevelItems = menuItems.ToList();
var topLevelItems = menuItems.ToList();
if (part.StartLevel > 1) {
// apply start level by pushing children as top level items. When the start level is
// greater than 1 (ie. below the top level), only menu items along the selected path
// will be displayed.
for (var i = 0; topLevelItems.Any() && i < part.StartLevel - 1; i++) {
var temp = new List<MenuItem>();
if (selectedPath != null) {
// the selected path will return the whole selected hierarchy
// intersecting will return the root selected menu item
topLevelItems = topLevelItems.Intersect(selectedPath.Where(x => x.Selected)).ToList();
}
else {
topLevelItems = new List<MenuItem>();
menuItems = topLevelItems;
}
}
if (topLevelItems.Any()) {
// apply start level by pushing childrens as top level items
int i = 0;
for (; i < part.StartLevel - 1; i++) {
var temp = new List<MenuItem>();
foreach (var menuItem in topLevelItems) {
temp.AddRange(menuItem.Items);
}
topLevelItems = temp;
}
// apply display level ?
if(part.Levels > 0) {
var current = topLevelItems.ToList();
for (int j=1; j < part.Levels; j++ ) {
var temp = new List<MenuItem>();
foreach (var menuItem in current) {
temp.AddRange(menuItem.Items);
}
current = temp;
}
topLevelItems = current;
// cut the sub-levels of any selected menu item
foreach (var menuItem in topLevelItems) {
menuItem.Items = Enumerable.Empty<MenuItem>();
}
}
menuItems = topLevelItems;
topLevelItems = temp;
}
// limit the number of levels to display (down from and including the start level)
if(part.Levels > 0) {
var current = topLevelItems.ToList();
for (var i = 1; current.Any() && i < part.Levels; i++ ) {
var temp = new List<MenuItem>();
foreach (var menuItem in current) {
temp.AddRange(menuItem.Items);
}
current = temp;
}
// cut the sub-levels beneath any menu items that are at the lowest level being displayed
foreach (var menuItem in current) {
menuItem.Items = Enumerable.Empty<MenuItem>();
}
}
menuItems = topLevelItems;
}
menuShape.MenuName(menuName);