58 lines
1.3 KiB
C#
58 lines
1.3 KiB
C#
using System;
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using System.ComponentModel;
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using BS.Shared.Core;
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namespace BeWo.ViewModel
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{
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public abstract class AbstractBaseVM : INotifyPropertyChanged
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{
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private bool _IsDirty;
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public virtual bool IsDirty
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{
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get { return _IsDirty; }
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}
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public Type Type
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{
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get { return GetType(); }
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}
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public event PropertyChangedEventHandler PropertyChanged;
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public virtual void SetDirty(bool newDirty)
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{
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_IsDirty = newDirty;
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}
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protected bool AreDifferent(object pMember, object pNewValue)
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{
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//if (pNewValue is string && pNewValue != null)
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//{
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// pNewValue = (pNewValue as string).Trim();
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//}
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if (pNewValue is string && ((string) pNewValue) == string.Empty)
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{
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return pMember != null && ((string) pMember) != string.Empty;
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}
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return (pMember == null && pNewValue != null) || (pMember != null && !pMember.Equals(pNewValue));
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}
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protected bool AreEqual(object x, object y)
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{
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NullCompareResult lResult = Utils.NullCompare(x, y);
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return lResult.BothNotNull
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? x.Equals(y)
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: !lResult.Different;
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}
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protected virtual void FirePropertyChanged(string pPropertyName)
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{
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_IsDirty = true;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(pPropertyName));
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}
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}
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} |