140 lines
4.3 KiB
C#
140 lines
4.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Shapes;
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using Microsoft.Win32;
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using Melskin.Assets;
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namespace MelskinTest;
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/// <summary>
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/// IconsWindow.xaml 的交互逻辑
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/// </summary>
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public partial class IconsWindow : INotifyPropertyChanged
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{
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// 1. 一个私有的、包含所有图标的原始数据集合
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private readonly ObservableCollection<MaterialSymbol> _allSymbols = new ObservableCollection<MaterialSymbol>();
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// 2. 一个公开的 ICollectionView，UI 将绑定到这个视图
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public ICollectionView SymbolCollectionView { get; }
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private string _selectedSymbolName;
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public string SelectedSymbolName
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{
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get => _selectedSymbolName;
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set { _selectedSymbolName = value; OnPropertyChanged(nameof(SelectedSymbolName)); }
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}
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private string _searchText = string.Empty;
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// 3. 绑定到搜索框的属性
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public string SearchText
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{
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get => _searchText;
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set
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{
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if (_searchText == value) return;
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_searchText = value;
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OnPropertyChanged(nameof(SearchText));
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// 关键点: 当搜索文本改变时，刷新视图以重新应用筛选
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SymbolCollectionView.Refresh();
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}
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}
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public IconsWindow()
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{
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InitializeComponent();
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// 从枚举加载所有图标到原始集合
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LoadSymbols();
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// 4. 初始化视图
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SymbolCollectionView = CollectionViewSource.GetDefaultView(_allSymbols);
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// 5. 为视图指定筛选逻辑
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SymbolCollectionView.Filter = FilterSymbols;
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this.DataContext = this;
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}
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private void LoadSymbols()
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{
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var symbols = Enum.GetValues(typeof(MaterialSymbol)).Cast<MaterialSymbol>();
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_allSymbols.Clear();
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foreach (var symbol in symbols)
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{
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_allSymbols.Add(symbol);
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}
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}
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// 6. 筛选方法的具体实现
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private bool FilterSymbols(object item)
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{
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// 如果搜索框为空，则不过滤，显示所有项
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if (string.IsNullOrEmpty(SearchText))
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{
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return true;
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}
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// 如果项是 MaterialSymbol 类型
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if (item is MaterialSymbol symbol)
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{
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// 检查枚举的名称（不区分大小写）是否包含搜索文本
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return symbol.ToString().IndexOf(SearchText, StringComparison.OrdinalIgnoreCase) >= 0;
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}
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return false;
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}
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// *** 选择修复: 直接从事件参数 e 中获取选中的项 ***
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private void IconItemsControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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// 检查 e.AddedItems 是否有内容。AddedItems 包含了新选中的项。
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if (e.AddedItems.Count > 0 && e.AddedItems[0] is MaterialSymbol selectedSymbol)
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{
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string xamlCode = $"<n:IconElement Symbol=\"{selectedSymbol}\" Foreground=\"{ColorPicker.SelectedColor}\"/>";
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SelectedSymbolName = xamlCode;
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}
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// 如果列表被清空或选择被取消，e.AddedItems 为空
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else if (IconItemsControl.SelectedItem == null)
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{
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SelectedSymbolName = string.Empty;
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}
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}
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private void CopyCode_Click(object sender, RoutedEventArgs e)
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{
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if (!string.IsNullOrEmpty(SelectedSymbolName))
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{
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//string xamlCode = $"<local:SymbolIcon Symbol=\"{SelectedSymbolName}\" />";
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Clipboard.SetText(SelectedSymbolName);
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//MessageBox.Show($"代码已复制到剪贴板!\n\n{SelectedSymbolName}", "成功", MessageBoxButton.OK, MessageBoxImage.Information);
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}
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else
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{
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MessageBox.Show("请先选择一个图标。", "提示", MessageBoxButton.OK, MessageBoxImage.Warning);
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}
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}
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public event PropertyChangedEventHandler PropertyChanged;
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protected void OnPropertyChanged(string propertyName)
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{
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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}
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