private void SetupColumns()
{
// Get the size of the file system entity.
// Folders and errors are represented as negative numbers
this.olvColumnSize.AspectGetter = delegate(object x) {
if (x is DirectoryInfo)
{
return((long)-1);
}
try {
return(((FileInfo)x).Length);
}
catch (System.IO.FileNotFoundException) {
// Mono 1.2.6 throws this for hidden files
return((long)-2);
}
};
// Show the size of files as GB, MB and KBs. By returning the actual
// size in the AspectGetter, and doing the conversion in the
// AspectToStringConverter, sorting on this column will work off the
// actual sizes, rather than the formatted string.
this.olvColumnSize.AspectToStringConverter = delegate(object x) {
long sizeInBytes = (long)x;
if (sizeInBytes < 0) // folder or error
{
return("");
}
return(Coordinator.FormatFileSize(sizeInBytes));
};
this.olvColumnSize.MakeGroupies(new long[] { 0, 1024 * 1024, 512 * 1024 * 1024 },
new string[] { "Folders", "Small", "Big", "Disk space chewer" });
// Group by month-year, rather than date
// This code is duplicated for FileCreated and FileModified, so we really should
// create named methods rather than using anonymous delegates.
this.olvColumnCreated.GroupKeyGetter = delegate(object x) {
DateTime dt = ((FileSystemInfo)x).CreationTime;
return(new DateTime(dt.Year, dt.Month, 1));
};
this.olvColumnCreated.GroupKeyToTitleConverter = delegate(object x) {
return(((DateTime)x).ToString("MMMM yyyy"));
};
// Group by month-year, rather than date
this.olvColumnModified.GroupKeyGetter = delegate(object x) {
DateTime dt = ((FileSystemInfo)x).LastWriteTime;
return(new DateTime(dt.Year, dt.Month, 1));
};
this.olvColumnModified.GroupKeyToTitleConverter = delegate(object x) {
return(((DateTime)x).ToString("MMMM yyyy"));
};
// Show the system description for this object
this.olvColumnFileType.AspectGetter = delegate(object x) {
return(ShellUtilities.GetFileType(((FileSystemInfo)x).FullName));
};
// Show the file attributes for this object
// A FlagRenderer masks off various values and draws zero or more images based
// on the presence of individual bits.
this.olvColumnAttributes.AspectGetter = delegate(object x) {
return(((FileSystemInfo)x).Attributes);
};
FlagRenderer attributesRenderer = new FlagRenderer();
attributesRenderer.ImageList = imageList1;
attributesRenderer.Add(FileAttributes.Archive, "archive");
attributesRenderer.Add(FileAttributes.ReadOnly, "readonly");
attributesRenderer.Add(FileAttributes.System, "system");
attributesRenderer.Add(FileAttributes.Hidden, "hidden");
attributesRenderer.Add(FileAttributes.Temporary, "temporary");
this.olvColumnAttributes.Renderer = attributesRenderer;
// Tell the filtering subsystem that the attributes column is a collection of flags
this.olvColumnAttributes.ClusteringStrategy = new FlagClusteringStrategy(typeof(FileAttributes));
}
private void SetupColumns()
{
// The column setup here is identical to the File Explorer example tab --
// nothing specific to the TreeListView.
// The only difference is that we don't setup anything to do with grouping,
// since TreeListViews can't show groups.
SysImageListHelper helper = new SysImageListHelper(this.treeListView);
this.olvColumnName.ImageGetter = delegate(object x) {
return(helper.GetImageIndex(((MyFileSystemInfo)x).FullName));
};
// Get the size of the file system entity.
// Folders and errors are represented as negative numbers
this.olvColumnSize.AspectGetter = delegate(object x) {
MyFileSystemInfo myFileSystemInfo = (MyFileSystemInfo)x;
if (myFileSystemInfo.IsDirectory)
{
return((long)-1);
}
try {
return(myFileSystemInfo.Length);
}
catch (System.IO.FileNotFoundException) {
// Mono 1.2.6 throws this for hidden files
return((long)-2);
}
};
// Show the size of files as GB, MB and KBs. By returning the actual
// size in the AspectGetter, and doing the conversion in the
// AspectToStringConverter, sorting on this column will work off the
// actual sizes, rather than the formatted string.
this.olvColumnSize.AspectToStringConverter = delegate(object x) {
long sizeInBytes = (long)x;
if (sizeInBytes < 0) // folder or error
{
return("");
}
return(Coordinator.FormatFileSize(sizeInBytes));
};
// Show the system description for this object
this.olvColumnFileType.AspectGetter = delegate(object x) {
return(ShellUtilities.GetFileType(((MyFileSystemInfo)x).FullName));
};
// Show the file attributes for this object
// A FlagRenderer masks off various values and draws zero or images based
// on the presence of individual bits.
this.olvColumnAttributes.AspectGetter = delegate(object x) {
return(((MyFileSystemInfo)x).Attributes);
};
FlagRenderer attributesRenderer = new FlagRenderer();
attributesRenderer.ImageList = imageListSmall;
attributesRenderer.Add(FileAttributes.Archive, "archive");
attributesRenderer.Add(FileAttributes.ReadOnly, "readonly");
attributesRenderer.Add(FileAttributes.System, "system");
attributesRenderer.Add(FileAttributes.Hidden, "hidden");
attributesRenderer.Add(FileAttributes.Temporary, "temporary");
this.olvColumnAttributes.Renderer = attributesRenderer;
// Tell the filtering subsystem that the attributes column is a collection of flags
this.olvColumnAttributes.ClusteringStrategy = new FlagClusteringStrategy(typeof(FileAttributes));
}