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.Linq;
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using System.Text;
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using System.Windows.Controls;
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namespace PdmSwPlugin.UI
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{
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/// <summary>
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/// SB.xaml 的交互逻辑
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/// </summary>
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public partial class SB : UserControl, INotifyPropertyChanged
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{
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public event PropertyChangedEventHandler PropertyChanged;
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protected void RaisePropertyChanged(string propertyName)
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{
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if (PropertyChanged != null)
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{
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PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
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}
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}
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public SB()
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{
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InitializeComponent();
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}
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private string _selectedText = string.Empty;
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public string SelectedText
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{
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get
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{
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return _selectedText;
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}
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set
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{
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if (_selectedText != value)
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{
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_selectedText = value;
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RaisePropertyChanged("SelectedText");
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}
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}
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}
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private ObservableCollection<INotifyPropertyChanged> _dataSource;
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public ObservableCollection<INotifyPropertyChanged> DataSource
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{
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get
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{
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if (_dataSource == null)
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{
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_dataSource = new ObservableCollection<INotifyPropertyChanged>();
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_dataSource.CollectionChanged += (sender, e) =>
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{
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if (e.OldItems != null)
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{
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foreach (INotifyPropertyChanged bookEx in e.OldItems)
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{
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bookEx.PropertyChanged -= ItemPropertyChanged;
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}
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}
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if (e.NewItems != null)
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{
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foreach (INotifyPropertyChanged bookEx in e.NewItems)
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{
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bookEx.PropertyChanged += ItemPropertyChanged;
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}
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}
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};
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}
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return _dataSource;
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}
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}
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private void ItemPropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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/*if (e.PropertyName == "IsChecked")
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{
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BookEx bookEx = sender as BookEx;
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if (bookEx != null)
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{
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IEnumerable<BookEx> bookExs = BookExs.Where(b => b.IsChecked == true);
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StringBuilder builder = new StringBuilder();
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foreach (BookEx item in bookExs)
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{
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builder.Append(item.Book.Name + " ");
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}
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SelectedText = builder == null ? string.Empty : builder.ToString();
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}
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}*/
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}
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}
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}
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