0.2.0

组件系统

LanMontainDesktop/Views/Components/DateWidget.axaml.cs

@@ -0,0 +1,180 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Media;
+using Avalonia.Threading;
+using LanMontainDesktop.Services;
+
+namespace LanMontainDesktop.Views.Components;
+
+public partial class DateWidget : UserControl
+{
+    private readonly DispatcherTimer _timer = new()
+    {
+        Interval = TimeSpan.FromMinutes(1)
+    };
+
+    private TimeZoneService? _timeZoneService;
+
+    public DateWidget()
+    {
+        InitializeComponent();
+
+        _timer.Tick += OnTimerTick;
+        AttachedToVisualTree += OnAttachedToVisualTree;
+        DetachedFromVisualTree += OnDetachedFromVisualTree;
+        UpdateDate();
+    }
+
+    /// <summary>
+    /// 设置时区服务
+    /// </summary>
+    public void SetTimeZoneService(TimeZoneService timeZoneService)
+    {
+        if (_timeZoneService != null)
+        {
+            _timeZoneService.TimeZoneChanged -= OnTimeZoneChanged;
+        }
+
+        _timeZoneService = timeZoneService;
+        _timeZoneService.TimeZoneChanged += OnTimeZoneChanged;
+        UpdateDate();
+    }
+
+    private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
+    {
+        UpdateDate();
+        _timer.Start();
+    }
+
+    private void OnDetachedFromVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
+    {
+        _timer.Stop();
+    }
+
+    private void OnTimerTick(object? sender, EventArgs e)
+    {
+        UpdateDate();
+    }
+
+    private void OnTimeZoneChanged(object? sender, EventArgs e)
+    {
+        UpdateDate();
+    }
+
+    private void UpdateDate()
+    {
+        var now = _timeZoneService?.GetCurrentTime() ?? DateTime.Now;
+        var culture = CultureInfo.CurrentCulture;
+        
+        // 右侧：今日详情
+        TodayDayTextBlock.Text = now.Day.ToString();
+        TodayWeekdayTextBlock.Text = now.ToString("dddd", culture);
+        
+        // 左侧：月历
+        CalendarMonthYearTextBlock.Text = now.ToString("yyyy年M月", culture);
+        
+        // 生成月历
+        GenerateCalendar(now);
+    }
+
+    private void GenerateCalendar(DateTime currentDate)
+    {
+        // 清空之前的日期（保留星期标题）
+        var childrenToRemove = new List<Control>();
+        foreach (var child in CalendarGrid.Children)
+        {
+            if (child is TextBlock tb && tb.Tag?.ToString() == "day")
+            {
+                childrenToRemove.Add(tb);
+            }
+        }
+        foreach (var child in childrenToRemove)
+        {
+            CalendarGrid.Children.Remove(child);
+        }
+
+        var year = currentDate.Year;
+        var month = currentDate.Month;
+        var today = currentDate.Day;
+        
+        // 获取该月第一天
+        var firstDayOfMonth = new DateTime(year, month, 1);
+        var daysInMonth = DateTime.DaysInMonth(year, month);
+        var startDayOfWeek = (int)firstDayOfMonth.DayOfWeek; // 0 = Sunday
+
+        // 生成日期
+        for (int day = 1; day <= daysInMonth; day++)
+        {
+            var row = ((day + startDayOfWeek - 1) / 7) + 1; // +1 because row 0 is weekday headers
+            var col = (day + startDayOfWeek - 1) % 7;
+
+            if (row > 5) continue; // 最多显示6行
+
+            var dayText = new TextBlock
+            {
+                Text = day.ToString(),
+                HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center,
+                VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
+                FontSize = 10,
+                Tag = "day"
+            };
+
+            // 今天高亮
+            if (day == today)
+            {
+                // 使用主题色高亮今天
+                var accentBrush = this.TryFindResource("AdaptiveAccentBrush", out var accent) 
+                    ? accent as IBrush 
+                    : Brushes.Blue;
+                var onAccentBrush = this.TryFindResource("AdaptiveOnAccentBrush", out var onAccent) 
+                    ? onAccent as IBrush 
+                    : Brushes.White;
+                
+                dayText.Foreground = onAccentBrush;
+                dayText.FontWeight = FontWeight.Bold;
+                dayText.Background = new SolidColorBrush(Colors.Transparent);
+                
+                // 添加背景圆
+                var highlight = new Border
+                {
+                    Background = accentBrush,
+                    CornerRadius = new CornerRadius(10),
+                    Width = 20,
+                    Height = 20,
+                    HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center,
+                    VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
+                    Child = dayText
+                };
+                Grid.SetRow(highlight, row);
+                Grid.SetColumn(highlight, col);
+                CalendarGrid.Children.Add(highlight);
+            }
+            else
+            {
+                // 使用主题次要文本颜色
+                var secondaryBrush = this.TryFindResource("AdaptiveTextSecondaryBrush", out var secondary) 
+                    ? secondary as IBrush 
+                    : Brushes.Gray;
+                dayText.Foreground = secondaryBrush;
+                Grid.SetRow(dayText, row);
+                Grid.SetColumn(dayText, col);
+                CalendarGrid.Children.Add(dayText);
+            }
+        }
+    }
+
+    public void ApplyCellSize(double cellSize)
+    {
+        // 根据格子大小调整圆角
+        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(cellSize * 0.12, 8, 20));
+        
+        // 调整字体大小
+        var baseFontSize = cellSize * 0.25;
+        TodayDayTextBlock.FontSize = Math.Clamp(baseFontSize * 2.8, 28, 72);
+        TodayWeekdayTextBlock.FontSize = Math.Clamp(baseFontSize * 0.6, 10, 16);
+        CalendarMonthYearTextBlock.FontSize = Math.Clamp(baseFontSize * 0.55, 9, 14);
+    }
+}