/// <summary>
/// Load a list of keyboard shortcuts from a file. The list of available actions is also needed to map the shortcuts to these actions.
/// </summary>
/// <param name="file">The file to load from.</param>
/// <param name="list">A list of actions available to be accessed via keyboard shortcuts.</param>
/// <returns>A list of keyboard shortcuts, which can be loaded into a KeyRegistry.</returns>
/// <exception cref="FileNotFoundException">Thrown if the file does not exist.</exception>
/// <remarks>If there is a shortcut in this file that reference an action ID that isn't on the <paramref name="list"/>, then that shortcut is skipped.</remarks>
public static List <KeyboardShortcut> LoadFromFile(string file, KeyActionList list)
{
if (!File.Exists(file))
{
throw new FileNotFoundException("The specified file does not exist. Keyboard shortcuts cannot be loaded.", file);
}
List <KeyboardShortcut> entries = new List <KeyboardShortcut>();
XmlReader xr = XmlReader.Create(file);
xr.MoveToContent();
while (xr.Read())
{
if (xr.NodeType == XmlNodeType.Element)
{
//xr.ReadStartElement("ks");
#if NETCOREAPP
string?c = xr.GetAttribute("comb");
string?k = xr.GetAttribute("keyid");
string?m = xr.GetAttribute("action");
#else
string c = xr.GetAttribute("comb");
string k = xr.GetAttribute("keyid");
string m = xr.GetAttribute("action");
#endif
if (string.IsNullOrEmpty(m))
{
m = xr.GetAttribute("methodid");
}
if (string.IsNullOrEmpty(c) || string.IsNullOrEmpty(k) || string.IsNullOrEmpty(m))
{
// skip item
}
else if (Enum.TryParse(c, out KeyboardCombination kc))
{
// try to load keys by their internal integer value
// from https://docs.microsoft.com/en-us/dotnet/api/system.windows.input.key?view=net-5.0 (the middle column)
if (int.TryParse(k, out int kv))
{
#if NETCOREAPP
IKeyAction?a = null;
#else
IKeyAction a = null;
#endif
if (list != null)
{
// checks the key action list for "Xxx", "mnuXxx", and "btnXxx"
// this is a carryover from internal usage, but I figure it should still be helpful
// if desired, I can remove this or make a toggle for it in a future release
if (list.ContainsId(m))
{
a = list[m];
}
else if (list.ContainsId("mnu" + m))
{
m = "mnu" + m;
a = list[m];
}
else if (list.ContainsId("btn" + m))
{
m = "btn" + m;
a = list[m];
}
}
if (a != null)
{
KeyboardShortcut ke = new KeyboardShortcut(kc, (Key)kv, a);
entries.Add(ke);
}
}
else
{
// if the integer-based value doesn't work, try to parse based upon the name of the Key in the enum
// again from https://docs.microsoft.com/en-us/dotnet/api/system.windows.input.key?view=net-5.0 (the left column)
if (Enum.TryParse(k, out Key kz))
{
#if NETCOREAPP
IKeyAction?a = null;
#else
IKeyAction a = null;
#endif
if (list != null)
{
// checks the key action list for "Xxx", "mnuXxx", and "btnXxx"
// this is a carryover from internal usage, but I figure it should still be helpful
// if desired, I can remove this or make a toggle for it in a future release
if (list.ContainsId(m))
{
a = list[m];
}
else if (list.ContainsId("mnu" + m))
{
m = "mnu" + m;
a = list[m];
}
else if (list.ContainsId("btn" + m))
{
m = "btn" + m;
a = list[m];
}
}
if (a != null)
{
KeyboardShortcut ke = new KeyboardShortcut(kc, kz, a);
entries.Add(ke);
}
}
}
}
//xr.ReadEndElement();
}
}
xr.Close();
return(entries);
}
public KeyboardShortcutEventArgs(KeyboardShortcut shortcut)
{
KeyboardShortcut = shortcut;
}