/// <summary>
/// Gets the index of an item in the collection
/// </summary>
/// <param name="item">Item to get the index of</param>
/// <returns>Index of the item, or -1 if the item doesn't exist</returns>
public int IndexOf(FileHistoryItem item)
{
int returnValue = -1;
for (int index = 0; index < _files.Count; index++)
{
if ((_files[index] != null) && (_files[index].Equals(item)))
{
returnValue = index;
break;
}
}
return(returnValue);
}
/// <summary>
/// Adds an item to the collection
/// </summary>
/// <param name="filePath">Item to add</param>
public void AddItem(string filePath)
{
FileHistoryItem item = new FileHistoryItem(filePath);
if (!Exists(item))
{
if (_files.Count >= MaxNumberOfItems)
{
_files.RemoveAt(0);
}
_files.Add(item);
OnSettingsChanged();
}
}
/// <summary>
/// Checks if this instance is equal to another instance
/// </summary>
/// <param name="obj">Instance to compare to</param>
/// <returns>-1 if less than, 0 if equal, 1 if greater than</returns>
public override bool Equals(object obj)
{
if ((obj == null) || (obj is System.DBNull))
{
return(false);
}
FileHistoryItem item = (FileHistoryItem)obj;
if (string.Compare(item.FilePath, _filePath) == 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Checks if an item exists in the collection
/// </summary>
/// <param name="item">Item to check for</param>
/// <returns>True if the item exists</returns>
public bool Exists(FileHistoryItem item)
{
return(IndexOf(item) > -1);
}
/// <summary>
/// Removes the given item from the collection
/// </summary>
/// <param name="item">Item to remove</param>
public void Remove(FileHistoryItem item)
{
_files.Remove(item);
OnSettingsChanged();
}
