private void BuildSelectableMenu()
{
this.selectableMenu =
this.currentFolder.Folders
.Concat(this.currentFolder.Files.Cast <object>())
.Skip(this.itemIndex)
.Take(ItemsPerPage)
.Select(x => x is FileEntry
? new SelectableMenuItem((FileEntry)x)
: new SelectableMenuItem(x as FolderEntry))
.Select((x, i) => new { Key = MenuKeyChars[i], Value = x })
.ToDictionary(x => x.Key, x => x.Value);
this.selectedMenuItem = this.selectableMenu.First().Value;
}
public void Run()
{
this.BuildSelectableMenu();
if (!this.selectableMenu.Any())
{
Screen.Print("There is nothing in the vault");
return;
}
this.PrintMenu();
while (this.isRunning)
{
var keyInfo = Screen.ReadKey();
ExecutableMenuItem executableMenuItem;
if (this.executableMenu.TryGetValue(keyInfo.Key, out executableMenuItem))
{
if (!executableMenuItem.Visible)
{
continue;
}
executableMenuItem.Execute();
if (!this.isRunning)
{
break;
}
this.PrintMenu();
continue;
}
var keyChar = keyInfo.KeyChar.ToString(CultureInfo.InvariantCulture).ToUpper()[0];
SelectableMenuItem selectableMenuItem;
if (!this.selectableMenu.TryGetValue(keyChar, out selectableMenuItem))
{
continue;
}
this.selectedMenuItem = selectableMenuItem;
this.PrintMenu();
}
}
