/// <summary>Converts the file size (in bytes) to human-readable string</summary>
/// <param name="Input">The input value</param>
/// <param name="ShortestNonhumanity">The miminal file size that should be shortened</param>
/// <returns>Human-readable string (xxx yB)</returns>
private string KiloMegaGigabyteConvert(long Input, SizeDisplayPolicy ShortenKB, SizeDisplayPolicy ShortenMB, SizeDisplayPolicy ShortenGB)
{
double ShortenedSize; //here will be writed the decimal value of the hum. readable size
//TeraByte (will be shortened everywhen)
if (Input > 1099511627776)
{
return((Input / 1099511627776).ToString() + " TB");
}
//GigaByte
if (Input > 1073741824)
{
ShortenedSize = Input / 1073741824;
switch (ShortenGB)
{
case SizeDisplayPolicy.OneNumeral:
return(string.Format("{0:0.#} GB", ShortenedSize));
case SizeDisplayPolicy.TwoNumeral:
return(string.Format("{0:0.##} GB", ShortenedSize));
}
}
//MegaByte
if (Input > 1048576)
{
ShortenedSize = Input / 1048576;
switch (ShortenMB)
{
case SizeDisplayPolicy.OneNumeral:
return(string.Format("{0:0.#} MB", ShortenedSize));
case SizeDisplayPolicy.TwoNumeral:
return(string.Format("{0:0.##} MB", ShortenedSize));
}
}
//KiloByte
if (Input > 1024)
{
ShortenedSize = Input / 1024;
switch (ShortenKB)
{
case SizeDisplayPolicy.OneNumeral:
return(string.Format("{0:0.#} KB", ShortenedSize));
case SizeDisplayPolicy.TwoNumeral:
return(string.Format("{0:0.##} KB", ShortenedSize));
}
}
return(Input.ToString() + " B"); //if Input is less than 1k or shortening is disallowed
}
/// <summary>
/// Load the directory into the panel and set view options
/// </summary>
/// <param name="URL">Full path of the directory</param>
/// <param name="ShortenKB">How kilobyte sizes should be humanized</param>
/// <param name="ShortenMB">How megabyte sizes should be humanized</param>
/// <param name="ShortenGB">How gigabyte sizes should be humanized</param> //плохой перевод? "так nбайтные размеры должны очеловечиваться"
public void LoadDir(string URL, SizeDisplayPolicy ShortenKB, SizeDisplayPolicy ShortenMB, SizeDisplayPolicy ShortenGB)
{
CurShortenKB = ShortenKB; CurShortenMB = ShortenMB; CurShortenGB = ShortenGB;
if (FS == null)
{
throw new InvalidOperationException("No filesystem is binded to this FileListPanel");
}
//неспешное TODO:придумать, куда лучше закорячить; не забываем, что во время работы FS может меняться полностью
FS.CLIstdoutDataReceived += new TypedEvent <string>(FS_CLIstdoutDataReceived);
FS.CLIstderrDataReceived += (stderr) => { CLIoutput.Text += "\n" + stderr; pluginner.Utilities.ShowWarning(stderr); };
FS.CLIpromptChanged += new TypedEvent <string>(FS_CLIpromptChanged);
LoadDir(
URL,
FS.DirectoryContent,
ShortenKB,
ShortenMB,
ShortenGB
);
}
/// <summary>
/// Load the specifed directory with specifed content into the panel and set view options
/// </summary>
/// <param name="URL">The full URL of the directory (for reference needs)</param>
/// <param name="dis">Directory item list</param>
/// <param name="ShortenKB">How kilobyte sizes should be humanized</param>
/// <param name="ShortenMB">How megabyte sizes should be humanized</param>
/// <param name="ShortenGB">How gigabyte sizes should be humanized</param> //плохой перевод? "так nбайтные размеры должны очеловечиваться"
public void LoadDir(string URL, List <DirItem> dis, SizeDisplayPolicy ShortenKB, SizeDisplayPolicy ShortenMB, SizeDisplayPolicy ShortenGB)
{
if (FS.CurrentDirectory == null)
{
//if this is first call in the session (the FLP is just initialized)
using (Menu hm = HistoryButton.Menu) {
MenuItem hmi = new MenuItem(URL);
hmi.Clicked += (o, ea) => { NavigateTo(URL, (int)hmi.Tag); };
hmi.Tag = hm.Items.Count;
hm.Items.Add(hmi);
}
}
ListingView.Cursor = Xwt.CursorType.IBeam; //todo: modify XWT and add hourglass cursor
ListingView.Sensitive = false;
try
{
FS.CurrentDirectory = URL;
ListingView.Clear();
UrlBox.Text = URL;
FS.StatusChanged += new TypedEvent <string>(FS_StatusChanged);
FS.ProgressChanged += new TypedEvent <double>(FS_ProgressChanged);
string updir = URL + FS.DirSeparator + "..";
string rootdir = FS.GetMetadata(URL).RootDirectory;
foreach (DirItem di in dis)
{
List <Object> Data = new List <Object>();
Data.Add(di.IconSmall ?? Xwt.Drawing.Image.FromResource("pluginner.Resources.image-missing.png"));
Data.Add(di.Path);
Data.Add(di.TextToShow);
if (di.TextToShow == "..")
{ //parent dir
Data.Add("<↑ UP>");
Data.Add(FS.GetMetadata(di.Path).LastWriteTimeUTC.ToLocalTime());
updir = di.Path;
}
else if (di.IsDirectory)
{ //dir
Data.Add("<DIR>");
Data.Add(di.Date);
}
else
{ //file
Data.Add(KiloMegaGigabyteConvert(di.Size, ShortenKB, ShortenMB, ShortenGB));
Data.Add(di.Date);
}
Data.Add(di);
ListingView.AddItem(Data, di.Path);
}
GoUp.Clicked += (o, ea) => { LoadDir(updir); };
GoRoot.Clicked += (o, ea) => { LoadDir(rootdir); };
}
catch (Exception ex)
{
if (ex.Message == "Object reference not set to an instance of an object.")
{
Xwt.MessageDialog.ShowWarning(ex.Message, ex.StackTrace + "\nInner exception: " + ex.InnerException.Message ?? "none");
}
else
{
Xwt.MessageDialog.ShowWarning(ex.Message);
}
}
ListingView.Sensitive = true;
ListingView.Cursor = Xwt.CursorType.Arrow;
if (ListingView.Items.Count > 0)
{
ListingView.SelectedRow = 0; ListingView.ScrollerIn.ScrollTo(0, 0);
}
ListingView.SetFocus(); //one fixed bug may make many other bugs...уточнить необходимость!
}
