/// <summary>
/// Initialize the option
/// </summary>
/// <param name="cap">Text to show in the menu for this option</param>
/// <param name="key">Text for hotkey to show to the right of the text</param>
/// <param name="tt">Tooltip to show in footer when this option is highlighted</param>
/// <param name="close">If true, close the menu after activation, otherwise keep it open</param>
/// <param name="exec">Function to call if the user chooses this option</param>
/// <param name="radio">If set, this option is a radio button, and this function returns its value</param>
/// <param name="submenu">Submenu to open for this option</param>
public ConsoleMenuOption(string cap, string key, string tt, bool close,
Func <bool> exec = null, Func <bool> radio = null, ConsolePopupMenu submenu = null)
{
Caption = cap;
Key = key;
Tooltip = tt;
CloseParent = close;
OnExec = exec;
SubMenu = submenu;
RadioActive = radio;
}
/// <summary>
/// Return a popup menu representing the sort options for this list box
/// </summary>
public ConsolePopupMenu SortMenu()
{
if (sortMenu == null)
{
List <ConsoleMenuOption> opts = new List <ConsoleMenuOption>()
{
new ConsoleMenuOption(
"Ascending", "",
"Sort the list in ascending order",
true,
() => { SortDirection = ListSortDirection.Ascending; return(true); },
() => { return(sortDir == ListSortDirection.Ascending); }
),
new ConsoleMenuOption(
"Descending", "",
"Sort the list in descending order",
true,
() => { SortDirection = ListSortDirection.Descending; return(true); },
() => { return(sortDir == ListSortDirection.Descending); }
),
null
};
for (int i = 0; i < columns.Count; ++i)
{
// Our menus' lambas will share 'i' unless we capture it
int newIndex = i;
opts.Add(new ConsoleMenuOption(
string.IsNullOrEmpty(columns[i].Header)
? $"Column #{i+1}"
: columns[i].Header,
"",
string.IsNullOrEmpty(columns[i].Header)
? $"Sort the list by column #{i+1}"
: $"Sort the list by the {columns[i].Header} column",
true,
() => { SortColumnIndex = newIndex; return(true); },
() => { return(sortColIndex == newIndex); }
));
}
sortMenu = new ConsolePopupMenu(opts);
}
return(sortMenu);
}
