/// <summary>
/// Constructor
/// </summary>
/// <param name="parentFolder">Parent folder</param>
/// <param name="name">The name of the folder</param>
/// <param name="modifiedDateTime">The modified date/time</param>
public FolderItem(FolderItem parentFolder, string name, DateTime modifiedDateTime) :
base(parentFolder, name, 0, modifiedDateTime)
{
// A folder retrieves its icons on startup, because folders are relatively rare
this.RetrieveIcons();
}
public FileItem(FolderItem parentFolder, string name, long size, DateTime modifiedDateTime) :
base(parentFolder, name, size, modifiedDateTime)
{
}
/// <summary>
/// Compare this folder to another one. Set all states of files and folders
/// INCLUDING OUR OWN STATE
/// </summary>
/// <param name="otherFolder"></param>
public void CompareTo(FolderItem otherFolder)
{
// Assume the lowest state for each
CompareState myState = CompareState.Unchanged;
CompareState otherState = CompareState.Unchanged;
//if (this.files.Count == 0 && otherFolder.files.Count == 0)
//{
// myState = CompareState.Equal;
// otherState = CompareState.Equal;
//}
//else
//{
// Iterate over our own files, comparing each
foreach (FileItem file in this.files)
{
string name = file.Name;
FileItem otherFile = otherFolder.FindFileByName(name);
if (otherFile == null)
{
// Hey - no equivalent of our file found! Upgrade our own state to Added:
myState = CompareState.Added;
}
else
{
file.CompareTo(otherFile);
// If the file has a more important state than we do, update our state
if (file.State > myState)
{
myState = file.State;
}
}
}
if (myState == CompareState.Added)
{
otherState = CompareState.Older;
}
else
{
// Update the other folder's state based on its files:
foreach (FileItem file in otherFolder.files)
{
if (file.State > otherState)
{
otherState = file.State;
}
}
}
//}
// Compare all folders
foreach (FolderItem folder in this.folders)
{
string name = folder.Name;
FolderItem folder2 = otherFolder.FindFolderByName(Path.GetFileName(name));
if (folder2 != null)
{
// Compare the two folders:
folder.CompareTo(folder2);
// Upgrade our own state if we have to:
if (folder.State > myState)
{
myState = folder.State;
}
}
}
if (myState == CompareState.Added)
{
otherState = CompareState.Older;
}
else
{
// Update the other folder's state based on its folders:
foreach (FolderItem folder in otherFolder.folders)
{
if (folder.State > otherState)
{
otherState = folder.State;
}
}
}
// Now update our own and the other folder's states:
this.State = myState;
otherFolder.State = otherState;
}