diff options
Diffstat (limited to 'Xamarin.Forms.Pages/DataItem.cs')
-rw-r--r-- | Xamarin.Forms.Pages/DataItem.cs | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Xamarin.Forms.Pages/DataItem.cs b/Xamarin.Forms.Pages/DataItem.cs new file mode 100644 index 00000000..62af919c --- /dev/null +++ b/Xamarin.Forms.Pages/DataItem.cs @@ -0,0 +1,86 @@ +using System.ComponentModel; +using System.Runtime.CompilerServices; + +namespace Xamarin.Forms.Pages +{ + public class DataItem : IDataItem, INotifyPropertyChanged + { + string _name; + object _val; + + public DataItem() + { + } + + public DataItem(string name, object value) + { + _name = name; + _val = value; + } + + public string Name + { + get { return _name; } + set + { + if (_name == value) + return; + _name = value; + OnPropertyChanged(); + } + } + + public object Value + { + get { return _val; } + set + { + if (_val == value) + return; + _val = value; + OnPropertyChanged(); + } + } + + public event PropertyChangedEventHandler PropertyChanged; + + public override bool Equals(object obj) + { + if (ReferenceEquals(null, obj)) + return false; + if (ReferenceEquals(this, obj)) + return true; + if (obj.GetType() != GetType()) + return false; + return Equals((DataItem)obj); + } + + public override int GetHashCode() + { + unchecked + { + return ((_name?.GetHashCode() ?? 0) * 397) ^ (_val?.GetHashCode() ?? 0); + } + } + + public static bool operator ==(DataItem left, DataItem right) + { + return Equals(left, right); + } + + public static bool operator !=(DataItem left, DataItem right) + { + return !Equals(left, right); + } + + protected bool Equals(DataItem other) + { + return string.Equals(_name, other._name) && Equals(_val, other._val); + } + + protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null) + { + PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); + } + } +}
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