public void AddFile(string filePath)
{
if (string.IsNullOrEmpty(filePath))
{
throw new ArgumentException("fileName");
}
RecentFile recentFile = recentFiles.FirstOrDefault(c => c.FilePath == filePath);
if (recentFile != null)
{
int oldIndex = recentFiles.IndexOf(recentFile);
int newIndex = recentFile.IsPinned ? 0 : PinCount;
if (oldIndex != newIndex)
{
recentFiles.Move(oldIndex, newIndex);
}
}
else
{
if (PinCount < maxFilesNumber)
{
if (recentFiles.Count >= maxFilesNumber)
{
RemoveAt(recentFiles.Count - 1);
}
Insert(PinCount, new RecentFile(filePath));
}
}
}
void IXmlSerializable.ReadXml(XmlReader reader)
{
if (reader == null)
{
throw new ArgumentException("reader");
}
reader.ReadToDescendant("RecentFile");
while (reader.MoveToContent() == XmlNodeType.Element && reader.LocalName == "RecentFile")
{
RecentFile recentFile = new RecentFile();
((IXmlSerializable)recentFile).ReadXml(reader);
Add(recentFile);
}
if (!reader.IsEmptyElement)
{
reader.ReadEndElement();
}
}
private void RecentFilePropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsPinned")
{
RecentFile recentFile = (RecentFile)sender;
int oldIndex = recentFiles.IndexOf(recentFile);
if (recentFile.IsPinned)
{
recentFiles.Move(oldIndex, 0);
}
else
{
int newIndex = PinCount;
if (oldIndex != newIndex)
{
recentFiles.Move(oldIndex, newIndex);
}
}
}
}
private void Insert(int index, RecentFile file)
{
file.PropertyChanged += RecentFilePropertyChanged;
recentFiles.Insert(index, file);
}
private void Add(RecentFile recentFile)
{
recentFile.PropertyChanged += RecentFilePropertyChanged;
recentFiles.Add(recentFile);
}
void IXmlSerializable.ReadXml(XmlReader reader)
{
if (reader==null){throw new ArgumentException("reader");}
reader.ReadToDescendant("RecentFile");
while (reader.MoveToContent() == XmlNodeType.Element && reader.LocalName == "RecentFile")
{
RecentFile recentFile = new RecentFile();
((IXmlSerializable)recentFile).ReadXml(reader);
Add(recentFile);
}
if (!reader.IsEmptyElement) { reader.ReadEndElement(); }
}
private void Add(RecentFile recentFile)
{
recentFile.PropertyChanged += RecentFilePropertyChanged;
recentFiles.Add(recentFile);
}
private void Insert(int index, RecentFile file)
{
file.PropertyChanged += RecentFilePropertyChanged;
recentFiles.Insert(index, file);
}