/// <summary>
/// Raises the <see cref="ColumnChanged" /> event.
/// </summary>
/// <param name="column">The <see cref="UtilsColumn"/> which has raised the event.</param>
/// <param name="value">The changed value.</param>
public virtual void OnColumnChanged(UtilsColumn column, object value)
{
if (!SuppressEntityEvents)
{
UtilsEventHandler handler = ColumnChanged;
if (handler != null)
{
handler(this, new UtilsEventArgs(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="UtilsColumn"/> which has raised the event.</param>
/// <param name="value">The changed value.</param>
public virtual void OnColumnChanging(UtilsColumn column, object value)
{
if (IsEntityTracked && EntityState != EntityState.Added && !EntityManager.TrackChangedEntities)
{
EntityManager.StopTracking(entityTrackingKey);
}
if (!SuppressEntityEvents)
{
UtilsEventHandler handler = ColumnChanging;
if (handler != null)
{
handler(this, new UtilsEventArgs(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(UtilsColumn column)
{
switch (column)
{
case UtilsColumn.Id:
return(entityData.Id != _originalData.Id);
case UtilsColumn.Name:
return(entityData.Name != _originalData.Name);
case UtilsColumn.Description:
return(entityData.Description != _originalData.Description);
case UtilsColumn.Subname:
return(entityData.Subname != _originalData.Subname);
case UtilsColumn.Status:
return(entityData.Status != _originalData.Status);
default:
return(false);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="T:UtilsComparer"/> class.
/// </summary>
/// <param name="column">The column to sort on.</param>
public UtilsComparer(UtilsColumn column)
{
this.whichComparison = column;
}
///<summary>
/// Initalizes a new Instance of the UtilsEventArgs class.
///</summary>
public UtilsEventArgs(UtilsColumn column, object value)
{
this.column = column;
this.value = value;
}
///<summary>
/// Initalizes a new Instance of the UtilsEventArgs class.
///</summary>
public UtilsEventArgs(UtilsColumn column)
{
this.column = column;
}
/// <summary>
/// Raises the <see cref="ColumnChanged" /> event.
/// </summary>
/// <param name="column">The <see cref="UtilsColumn"/> which has raised the event.</param>
public virtual void OnColumnChanged(UtilsColumn column)
{
OnColumnChanged(column, null);
return;
}
