62 lines
2.0 KiB
C#
62 lines
2.0 KiB
C#
// TodoService - Manages todo items
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using System.Collections.ObjectModel;
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namespace TodoApp;
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public class TodoService
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{
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private static TodoService? _instance;
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public static TodoService Instance => _instance ??= new TodoService();
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private int _nextId = 1;
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public ObservableCollection<TodoItem> Todos { get; } = new();
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private TodoService()
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{
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// Add sample todos with varying lengths to test MaxLines=2 with ellipsis
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AddTodo("Learn OpenMaui Linux", "Explore the SkiaSharp-based rendering engine for .NET MAUI on Linux desktop. This is a very long description that should wrap to multiple lines and demonstrate the ellipsis truncation feature when MaxLines is set to 2.");
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AddTodo("Build amazing apps", "Create cross-platform applications that run on Windows, macOS, iOS, Android, and Linux! With OpenMaui, you can write once and deploy everywhere.");
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AddTodo("Share with the community", "Contribute to the open-source project and help others build great Linux apps. Join our growing community of developers who are passionate about bringing .NET MAUI to Linux.");
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}
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public TodoItem AddTodo(string title, string notes = "")
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{
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var todo = new TodoItem
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{
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Id = _nextId++,
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Index = Todos.Count, // Set index for alternating row colors
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Title = title,
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Notes = notes,
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DueDate = DateTime.Today.AddDays(7)
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};
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Todos.Add(todo);
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return todo;
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}
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/// <summary>
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/// Refreshes the Index property on all items for alternating row colors.
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/// </summary>
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public void RefreshIndexes()
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{
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for (int i = 0; i < Todos.Count; i++)
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{
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Todos[i].Index = i;
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}
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}
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public TodoItem? GetTodo(int id)
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{
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return Todos.FirstOrDefault(t => t.Id == id);
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}
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public void DeleteTodo(TodoItem todo)
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{
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Todos.Remove(todo);
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}
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public int CompletedCount => Todos.Count(t => t.IsCompleted);
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public int TotalCount => Todos.Count;
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}
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