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66 lines
1.7 KiB
66 lines
1.7 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Collections.ObjectModel;
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namespace GummingCommon
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{
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public class ViewProperty<T>
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{
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private T _value;
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public ViewProperty(T defaultValue = default(T))
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{
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_value = defaultValue;
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}
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public T Value
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{
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get { return _value; }
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set
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{
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_value = value;
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var handler = ValueChanged;
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if (handler != null)
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handler();
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}
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}
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public event Action ValueChanged;
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}
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public class ViewCollectionProperty<T>
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{
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private readonly MyObservableCollection<T> _collection;
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public ViewCollectionProperty()
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{
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_collection = new MyObservableCollection<T>(_collection_CollectionChanged);
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}
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public ICollection<T> Collection { get { return _collection; } }
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public event Action CollectionChanged;
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private void _collection_CollectionChanged()
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{
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if (CollectionChanged != null)
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CollectionChanged();
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}
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private class MyObservableCollection<T2> : ObservableCollection<T2>
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{
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private readonly Action _onCollectionChanged;
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public MyObservableCollection(Action onCollectionChanged) : base()
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{
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_onCollectionChanged = onCollectionChanged;
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}
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protected override void OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
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{
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_onCollectionChanged();
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}
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}
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}
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}
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