/// <summary>
/// Raises the <see cref="ColumnChanged" /> event.
/// </summary>
/// <param name="column">The <see cref="TransValueColumn"/> which has raised the event.</param>
/// <param name="value">The changed value.</param>
public virtual void OnColumnChanged(TransValueColumn column, object value)
{
if (!SuppressEntityEvents)
{
TransValueEventHandler handler = ColumnChanged;
if (handler != null)
{
handler(this, new TransValueEventArgs(column, value));
}
// warn the parent list that i have changed
OnEntityChanged();
}
}
/// <summary>
/// Raises the <see cref="ColumnChanging" /> event.
/// </summary>
/// <param name="column">The <see cref="TransValueColumn"/> which has raised the event.</param>
/// <param name="value">The changed value.</param>
public virtual void OnColumnChanging(TransValueColumn column, object value)
{
if (IsEntityTracked && EntityState != EntityState.Added && !EntityManager.TrackChangedEntities)
{
EntityManager.StopTracking(entityTrackingKey);
}
if (!SuppressEntityEvents)
{
TransValueEventHandler handler = ColumnChanging;
if (handler != null)
{
handler(this, new TransValueEventArgs(column, value));
}
}
}
/// <summary>
/// Determines whether the property value has changed from the original data.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>
/// <c>true</c> if the property value has changed; otherwise, <c>false</c>.
/// </returns>
public bool IsPropertyChanged(TransValueColumn column)
{
switch (column)
{
case TransValueColumn.TransNum:
return(entityData.TransNum != _originalData.TransNum);
case TransValueColumn.Amount:
return(entityData.Amount != _originalData.Amount);
case TransValueColumn.Frcustomer:
return(entityData.Frcustomer != _originalData.Frcustomer);
case TransValueColumn.Forex:
return(entityData.Forex != _originalData.Forex);
default:
return(false);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="T:TransValueComparer"/> class.
/// </summary>
/// <param name="column">The column to sort on.</param>
public TransValueComparer(TransValueColumn column)
{
this.whichComparison = column;
}
///<summary>
/// Initalizes a new Instance of the TransValueEventArgs class.
///</summary>
public TransValueEventArgs(TransValueColumn column, object value)
{
this.column = column;
this.value = value;
}
///<summary>
/// Initalizes a new Instance of the TransValueEventArgs class.
///</summary>
public TransValueEventArgs(TransValueColumn column)
{
this.column = column;
}
/// <summary>
/// Raises the <see cref="ColumnChanged" /> event.
/// </summary>
/// <param name="column">The <see cref="TransValueColumn"/> which has raised the event.</param>
public virtual void OnColumnChanged(TransValueColumn column)
{
OnColumnChanged(column, null);
return;
}