/// <summary> Adds a file to the recent file list. If the file already exists in the list then it only changes the position in the list. </summary>
/// <param name="_fileName">The path of the recent file.</param>
/// <exception cref="ArgumentException">The argument fileName must not be null or empty.</exception>
public void AddFile(string _fileName)
{
if (string.IsNullOrEmpty(_fileName))
{
throw new ArgumentException("The argument fileName must not be null or empty.");
}
RecentFile __recentFile = m_RecentFiles.FirstOrDefault(r => r.Path == _fileName);
if (null != __recentFile)
{
int __oldIndex = m_RecentFiles.IndexOf(__recentFile);
int __newIndex = __recentFile.IsPinned ? 0 : PinCount;
if (__oldIndex != __newIndex)
{
m_RecentFiles.Move(__oldIndex, __newIndex);
}
}
else
{
if (PinCount < m_MaxFilesNumber)
{
if (m_RecentFiles.Count >= m_MaxFilesNumber)
{
RemoveAt(m_RecentFiles.Count - 1);
}
Insert(PinCount, new RecentFile(_fileName));
}
}
}
/// <summary> Removes the specified recent file. </summary>
/// <param name="_recentFile">The recent file to remove.</param>
/// <exception cref="ArgumentNullException">The argument recentFile must not be null.</exception>
/// <exception cref="ArgumentException">The argument recentFile was not found in the recent files list.</exception>
public void Remove(RecentFile _recentFile)
{
if (null == _recentFile)
{
throw new ArgumentNullException(nameof(_recentFile));
}
if (m_RecentFiles.Remove(_recentFile))
{
_recentFile.PropertyChanged -= RecentFilePropertyChanged;
}
else
{
throw new ArgumentException("The passed recentFile was not found in the recent files list.");
}
}
void IXmlSerializable.ReadXml(XmlReader _reader)
{
if (null == _reader)
{
throw new ArgumentNullException(nameof(_reader));
}
_reader.ReadToDescendant(RECENT_FILE);
while (_reader.MoveToContent() == XmlNodeType.Element && _reader.LocalName == RECENT_FILE)
{
var __recentFile = new RecentFile();
((IXmlSerializable)__recentFile).ReadXml(_reader);
Add(__recentFile);
}
if (!_reader.IsEmptyElement)
{
_reader.ReadEndElement();
}
}
void Add(RecentFile _recentFile)
{
_recentFile.PropertyChanged += RecentFilePropertyChanged;
m_RecentFiles.Add(_recentFile);
}
void Insert(int _index, RecentFile _recentFile)
{
_recentFile.PropertyChanged += RecentFilePropertyChanged;
m_RecentFiles.Insert(_index, _recentFile);
}