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Backward direction of autocomplete with Tab + Shift

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This commit is contained in:
nkochnev 2022-08-12 09:10:42 +05:00 committed by Patrik Svensson
parent a60910c15f
commit 1082ac1efc
1 changed files with 35 additions and 9 deletions
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44
src/Spectre.Console/Extensions/AnsiConsoleExtensions.Input.cs
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@ -33,7 +33,10 @@ public static partial class AnsiConsoleExtensions
if (key.Key == ConsoleKey.Tab && autocomplete.Count > 0)
{
var replace = AutoComplete(autocomplete, text);
var autoCompleteDirection = key.Modifiers.HasFlag(ConsoleModifiers.Shift)
? AutoCompleteDirection.Backward
: AutoCompleteDirection.Forward;
var replace = AutoComplete(autocomplete, text, autoCompleteDirection);
if (!string.IsNullOrEmpty(replace))
{
// Render the suggestion
@ -63,7 +66,7 @@ public static partial class AnsiConsoleExtensions
}
}
private static string AutoComplete(List<string> autocomplete, string text)
private static string AutoComplete(List<string> autocomplete, string text, AutoCompleteDirection autoCompleteDirection)
{
var found = autocomplete.Find(i => i == text);
var replace = string.Empty;
@ -85,15 +88,38 @@ public static partial class AnsiConsoleExtensions
else
{
// Get the next match
var index = autocomplete.IndexOf(found) + 1;
if (index >= autocomplete.Count)
{
index = 0;
}
replace = autocomplete[index];
replace = GetAutocompleteValue(autoCompleteDirection, autocomplete, found);
}
return replace;
}
private static string GetAutocompleteValue(AutoCompleteDirection autoCompleteDirection, IList<string> autocomplete, string found)
{
var foundAutocompleteIndex = autocomplete.IndexOf(found);
var index = autoCompleteDirection switch
{
AutoCompleteDirection.Forward => foundAutocompleteIndex + 1,
AutoCompleteDirection.Backward => foundAutocompleteIndex - 1,
_ => throw new ArgumentOutOfRangeException(nameof(autoCompleteDirection), autoCompleteDirection, null),
};
if (index >= autocomplete.Count)
{
index = 0;
}
if (index < 0)
{
index = autocomplete.Count - 1;
}
return autocomplete[index];
}
private enum AutoCompleteDirection
{
Forward,
Backward,
}
}