public ScreenMenuCategory AddCategory(string categoryName)
{
var result = new ScreenMenuCategory(categoryName);
Categories.Add(result);
return(result);
}
public IEnumerable<string> GetScreenMenuCategories(ScreenMenuCategory category, string parentTag)
{
return category.ScreenMenuItems.Where(x => !string.IsNullOrEmpty(x.SubMenuTag))
.Select(x => x.SubMenuTag)
.Distinct()
.Where(x => string.IsNullOrEmpty(parentTag) || (x.StartsWith(parentTag) && x != parentTag))
.Select(x => Regex.Replace(x, "^" + parentTag + ",", ""))
.Where(x => !x.Contains(","))
.Select(x => !string.IsNullOrEmpty(parentTag) ? parentTag + "," + x : x);
}
public void AddItemsToCategory(string category, List <MenuItem> menuItems)
{
ScreenMenuCategory menuCategory = Categories.Single(x => x.Name == category);
Debug.Assert(menuCategory != null);
foreach (var menuItem in menuItems)
{
menuCategory.AddMenuItem(menuItem);
}
}
public ScreenMenuItemButton(ScreenMenuItem screenMenuItem, ICommand command, ScreenMenuCategory category)
{
_screenMenuItem = screenMenuItem;
_command = command;
_category = category;
var color = screenMenuItem.ButtonColor;
if (string.IsNullOrEmpty(color))
color = category != null ? category.ButtonColor : "Green";
ButtonColor = color;
}
public IEnumerable<ScreenMenuItem> GetScreenMenuItems(ScreenMenuCategory category, int currentPageNo, string tag)
{
var items = category.ScreenMenuItems
.Where(x => x.SubMenuTag == tag || (string.IsNullOrEmpty(tag) && string.IsNullOrEmpty(x.SubMenuTag)));
if (category.PageCount > 1)
{
items = items
.Skip(category.ItemCountPerPage * currentPageNo)
.Take(category.ItemCountPerPage);
}
return items.OrderBy(x => x.SortOrder);
}
private void UpdateMenuButtons(ScreenMenuCategory category)
{
MenuItems = CreateMenuButtons(category, CurrentPageNo, CurrentTag ?? "");
SubCategories.Clear();
SubCategories.AddRange(
category.GetScreenMenuCategories(CurrentTag)
.Select(x => new ScreenSubCategoryButton(x, SubCategoryCommand, category.MainButtonColor, category.MainFontSize, category.SubButtonHeight)));
if (!string.IsNullOrEmpty(CurrentTag))
{
var backButton = new ScreenSubCategoryButton(CurrentTag.Replace(CurrentTag.Split(',').Last(), "").Trim(new[] { ',', ' ' }), SubCategoryCommand, "Gainsboro", category.MainFontSize, 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.SortOrder);
if (SubCategories.Count == 0)
{
sitems = Categories.Select(x => x.Category).SelectMany(x => x.ScreenMenuItems);
}
var items = sitems.Select(x => new ScreenMenuItemButton(x, MenuItemCommand, SelectedCategory));
MenuItems.AddRange(items.Take(category.MaxItems));
}
}
RaisePropertyChanged(() => MenuItems);
RaisePropertyChanged(() => IsPageNumberNavigatorVisible);
RaisePropertyChanged(() => MenuItemsVerticalAlignment);
}
private void OnCategoryCommandExecute(ScreenMenuCategory category)
{
CurrentPageNo = 0;
CurrentTag = "";
UpdateMenuButtons(category);
if (IsQuickNumeratorVisible)
{
QuickNumeratorValues = string.IsNullOrEmpty(category.NumeratorValues) ? new[] { "1", "2", "3", "4", "5" } : category.NumeratorValues.Split(',');
NumeratorValue = QuickNumeratorValues[0];
}
else NumeratorValue = "";
AlphaButtonValues = string.IsNullOrEmpty(category.AlphaButtonValues) ? new string[0] : category.AlphaButtonValues.Split(',');
RaisePropertyChanged(() => IsQuickNumeratorVisible);
RaisePropertyChanged(() => IsNumeratorVisible);
RaisePropertyChanged(() => QuickNumeratorValues);
RaisePropertyChanged(() => AlphaButtonValues);
RaisePropertyChanged(() => MenuItemsVerticalAlignment);
RaisePropertyChanged(() => IsSelectedItemsVisible);
}
private ObservableCollection<ScreenMenuItemButton> CreateMenuButtons(ScreenMenuCategory category, int pageNo, string tag)
{
SelectedCategory = category;
var screenMenuItems = category.GetScreenMenuItems(pageNo, tag);
var result = new ObservableCollection<ScreenMenuItemButton>();
var items = screenMenuItems.Select(x => new ScreenMenuItemButton(x, MenuItemCommand, category));
result.AddRange(items);
return result;
}
public ScreenMenuCategoryViewModel(ScreenMenuCategory model)
{
Model = model;
}
private void UpdateMenuButtons(ScreenMenuCategory category)
{
SelectedCategory = category;
CreateMenuItemButtons(MenuItems, category, CurrentPageNo, CurrentTag);
}
private void OnCategorySelected(ScreenMenuCategory obj)
{
UpdateMenuButtons(obj);
}
private void CreateMenuItemButtons(ObservableCollection<ScreenMenuItemButton> itemButtons,
ScreenMenuCategory category, int pageNo, string tag)
{
itemButtons.Clear();
if (category == null) return;
itemButtons.AddRange(AppServices.DataAccessService.GetMenuItems(category, pageNo, tag)
.Select(x => new ScreenMenuItemButton(x, MenuItemSelectionCommand, category)));
}
public ScreenMenuCategory AddCategory(string categoryName)
{
var result = new ScreenMenuCategory(categoryName);
Categories.Add(result);
return result;
}
private string GetCategorySubButtonColor(string name, ScreenMenuCategory category)
{
if (string.IsNullOrEmpty(category.SubButtonColorDef) || !category.SubButtonColorDef.Contains(name + "=")) return category.MainButtonColor;
return category.SubButtonColorDef;
}
private ObservableCollection<ScreenMenuItemButton> CreateMenuButtons(ScreenMenuCategory category, int pageNo, string tag)
{
SelectedCategory = category;
var screenMenuItems = AppServices.DataAccessService.GetMenuItems(category, pageNo, tag);
var result = new ObservableCollection<ScreenMenuItemButton>();
var items = screenMenuItems.Select(x => new ScreenMenuItemButton(x, MenuItemCommand, category));
if (category.SortType == 1) items = items.OrderByDescending(x => x.UsageCount);
result.AddRange(items);
return result;
}
public ScreenCategoryButton(ScreenMenuCategory category, ICommand command)
{
_category = category;
ButtonCommand = command;
}