private static List <ICommand> HelpScreen(UmlWindow umlWindow)
{
var titled = new TitledWindow(umlWindow, "About...")
{
BackGround = ConsoleColor.DarkBlue,
Foreground = ConsoleColor.White
};
var pop = new Popup(titled, @"
* * **** * ****
* * * * * *
**** ** * ****
* * * * *
* * **** **** *
space ................ (un)select object at cursor or choose object
s .................... select an object
cursor keys........... move cursor or selected object
shift + cursor ....... move object under cursor
r .................... rotate selected object (only text label)
ctrl + cursor ........ move selected object (only box)
b .................... Create a Box
c .................... Create a connection line between boxes
d .................... Create a Database
t .................... Create a text label
l .................... Create a free-style line
x / Del............... Delete selected object
enter ................ Enter command mode
Esc .................. Abort input
ctrl+c ............... Exit program")
{
Foreground = titled.Foreground, BackGround = titled.BackGround
};
return(Noop);
}
private static Option <List <ICommand> > HandleKeys(State state, ConsoleKeyInfo key, List <List <ICommand> > commandLog, UmlWindow umlWindow)
{
var model = state.Model;
var selected = state.SelectedIndexInModel;
switch (key.Key)
{
case ConsoleKey.UpArrow:
if (state.TheCurser.Pos.Y > 0)
{
return(MoveCursorAndSelectPaintable(Vector.DeltaNorth));
}
break;
case ConsoleKey.DownArrow:
if (state.TheCurser.Pos.Y < State.MaxY - 2)
{
return(MoveCursorAndSelectPaintable(Vector.DeltaSouth));
}
break;
case ConsoleKey.LeftArrow:
if (state.TheCurser.Pos.X > 0)
{
return(MoveCursorAndSelectPaintable(Vector.DeltaWest));
}
break;
case ConsoleKey.RightArrow:
if (state.TheCurser.Pos.X < State.MaxX - 2)
{
return(MoveCursorAndSelectPaintable(Vector.DeltaEast));
}
break;
case ConsoleKey.Spacebar:
return(SelectDeselect(selected, state));
case ConsoleKey.S:
return(PrintIdsAndLetUserSelectObject(state)
.Match(x => Lst(new SelectObject(x, true)), () => Noop));
case ConsoleKey.X:
case ConsoleKey.Delete:
return(Lst(new DeleteSelectedElement()));
case ConsoleKey.D:
return(Lst(new CreateDatabase(state.TheCurser.Pos)));
case ConsoleKey.H:
return(HelpScreen(umlWindow));
case ConsoleKey.B:
return(ConsoleInputColors(() =>
CommandParser.TryReadLineWithCancel("Create box. Title: ")
.Match(x => Lst(new CreateBox(state.TheCurser.Pos, x), new TmpForceRepaint()), () => NoopForceRepaint)));
case ConsoleKey.C:
return(ConnectObjects(state));
case ConsoleKey.L:
return(SlopedLine(state));
case ConsoleKey.T:
return(ConsoleInputColors(() =>
CommandParser.TryReadLineWithCancel("Create a label. Text: ")
.Match(x => Lst(new CreateLabel(state.TheCurser.Pos, x), new TmpForceRepaint()), () => NoopForceRepaint)));
case ConsoleKey.R:
return(Rotate(selected, model));
case ConsoleKey.Enter:
return(CommandMode(state, commandLog));
}
return(Noop);
}
public static List <ICommand> HandleKeyPress(State state, ConsoleKeyInfo key, List <List <ICommand> > commandLog, UmlWindow umlWindow)
{
return(ControlKeys(state, key, commandLog)
.IfNone(() => ShiftKeys(state, key)
.IfNone(() => HandleKeys(state, key, commandLog, umlWindow)
.IfNone(() => Noop))));
}
