private void FilterMenuItems(string numeratorValue)
{
if (!string.IsNullOrEmpty(numeratorValue) && Char.IsLower(numeratorValue[0]))
{
_filtered = true;
SubCategories.Clear();
MenuItems.Clear();
var items = Categories.Select(x => x.Category).SelectMany(x => x.ScreenMenuItems).Where(
x => numeratorValue.ToLower().Split(' ').All(y => x.Name.ToLower().Contains(y)))
.Select(x => new ScreenMenuItemButton(x, MenuItemCommand, SelectedCategory));
MenuItems.AddRange(items.OrderBy(x => x.FindOrder(numeratorValue)).Take(30));
}
else if (_filtered)
{
_filtered = false;
UpdateMenuButtons(SelectedCategory);
}
}
private void UpdateMenuButtons(ScreenMenuCategory category)
{
MenuItems = CreateMenuButtons(category, CurrentPageNo, CurrentTag ?? "");
SubCategories.Clear();
SubCategories.AddRange(
AppServices.DataAccessService.GetSubCategories(category, CurrentTag)
.Select(x => new ScreenSubCategoryButton(x, SubCategoryCommand, category.MButtonColor, category.SubButtonHeight)));
if (!string.IsNullOrEmpty(CurrentTag))
{
var backButton = new ScreenSubCategoryButton(CurrentTag.Replace(CurrentTag.Split(',').Last(), "").Trim(new[] { ',', ' ' }), SubCategoryCommand, "Gainsboro", category.SubButtonHeight, true);
SubCategories.Add(backButton);
}
if (Categories != null && MenuItems.Count == 0)
{
if (category.NumeratorType == 2 && SubCategories.Count == 0)
{
InteractionService.ShowKeyboard();
}
MenuItems.Clear();
if (category.MaxItems > 0)
{
IEnumerable <ScreenMenuItem> sitems = category.ScreenMenuItems.OrderBy(x => x.Order);
if (SubCategories.Count == 0)
{
sitems = Categories.Select(x => x.Category).SelectMany(x => x.ScreenMenuItems);
}
var items = sitems.Select(x => new ScreenMenuItemButton(x, MenuItemCommand, SelectedCategory));
if (category.SortType == 1)
{
items = items.OrderByDescending(x => x.UsageCount);
}
MenuItems.AddRange(items.Take(category.MaxItems));
}
}
RaisePropertyChanged("MenuItems");
RaisePropertyChanged("IsPageNumberNavigatorVisible");
RaisePropertyChanged("MenuItemsVerticalAlignment");
}
async Task ExecuteLoadItemsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Properties.Clear();
Categories.Clear();
SubCategories.Clear();
var props = await GetProperties();
foreach (var prop in props)
{
Properties.Add(prop);
}
var cats = await GetCategories();
foreach (var cat in cats)
{
Categories.Add(cat);
}
var subs = await GetSubCategories();
foreach (var sub in subs)
{
SubCategories.Add(sub);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}