101 lines
2.4 KiB
C#
101 lines
2.4 KiB
C#
using System;
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using System.ComponentModel;
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using BS.Shared;
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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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//public bool HasLoggedOnUserRight(UserRightType type)
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// {
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// return BeWoApp.HasLoggedOnUserRight(type);
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// }
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public object Itself
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{
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get
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{
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return this;
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}
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}
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public void FirePropertyChangedItself()
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{
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FirePropertyChanged(nameof(Itself));
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}
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protected virtual void FirePropertyChanged(string pPropertyName)
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{
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FirePropertyChanged(PropertyChanged, this, pPropertyName);
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}
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protected void FirePropertyChanged(PropertyChangedEventHandler handler, string pPropertyName)
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{
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FirePropertyChanged(handler, this, pPropertyName);
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}
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protected void FirePropertyChanged(object sender, string pPropertyName)
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{
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FirePropertyChanged(PropertyChanged, sender, pPropertyName);
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}
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protected void FirePropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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FirePropertyChanged(PropertyChanged, sender, e);
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}
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protected void FirePropertyChanged(PropertyChangedEventHandler handler, object sender, string pPropertyName)
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{
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FirePropertyChanged(handler, sender, new PropertyChangedEventArgs(pPropertyName));
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}
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protected void FirePropertyChanged(PropertyChangedEventHandler handler, object sender, PropertyChangedEventArgs e)
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{
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_IsDirty = true;
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handler?.Invoke(sender, e);
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}
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}
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} |