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Add option to configure the style of the choices list and the default value in TextPrompt (#681)

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* Allow setting the style of the default value in TextPrompt

Add property "DefaultValueStyle" to TextPrompt which allows setting the style in which the default value is rendered.
When no style is set, the value is displayed as green text, keeping the existing behavior.

* Allow setting the style in which a TextPrompt's choices are displayed

Add property "ChoicesStyle" to TextPrompt which allows setting the style in the prompt's choices are rendered.
When no style is set, choices are displayed as blue text, keeping the existing behavior.
This commit is contained in:
Andreas Grünwald
2022-03-27 19:38:01 +02:00
committed by GitHub
parent 7998ece6b6
commit 38d9386e00
7 changed files with 158 additions and 2 deletions
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18
src/Spectre.Console/Prompts/TextPrompt.cs
View File

@ -63,6 +63,16 @@ public sealed class TextPrompt<T> : IPrompt<T>
/// </summary>
public Func<T, ValidationResult>? Validator { get; set; }
/// <summary>
/// Gets or sets the style in which the default value is displayed.
/// </summary>
public Style? DefaultValueStyle { get; set; }
/// <summary>
/// Gets or sets the style in which the list of choices is displayed.
/// </summary>
public Style? ChoicesStyle { get; set; }
/// <summary>
/// Gets or sets the default value.
/// </summary>
@ -183,16 +193,20 @@ public sealed class TextPrompt<T> : IPrompt<T>
appendSuffix = true;
var converter = Converter ?? TypeConverterHelper.ConvertToString;
var choices = string.Join("/", Choices.Select(choice => converter(choice)));
builder.AppendFormat(CultureInfo.InvariantCulture, " [blue][[{0}]][/]", choices);
var choicesStyle = ChoicesStyle?.ToMarkup() ?? "blue";
builder.AppendFormat(CultureInfo.InvariantCulture, " [{0}][[{1}]][/]", choicesStyle, choices);
}
if (ShowDefaultValue && DefaultValue != null)
{
appendSuffix = true;
var converter = Converter ?? TypeConverterHelper.ConvertToString;
var defaultValueStyle = DefaultValueStyle?.ToMarkup() ?? "green";
builder.AppendFormat(
CultureInfo.InvariantCulture,
" [green]({0})[/]",
" [{0}]({1})[/]",
defaultValueStyle,
IsSecret ? "******" : converter(DefaultValue.Value));
}

46
src/Spectre.Console/Prompts/TextPromptExtensions.cs
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@ -305,4 +305,50 @@ public static class TextPromptExtensions
obj.Converter = displaySelector;
return obj;
}
/// <summary>
/// Sets the style in which the default value is displayed.
/// </summary>
/// <typeparam name="T">The prompt result type.</typeparam>
/// <param name="obj">The prompt.</param>
/// <param name="style">The default value style.</param>
/// <returns>The same instance so that multiple calls can be chained.</returns>
public static TextPrompt<T> DefaultValueStyle<T>(this TextPrompt<T> obj, Style style)
{
if (obj is null)
{
throw new ArgumentNullException(nameof(obj));
}
if (style is null)
{
throw new ArgumentNullException(nameof(style));
}
obj.DefaultValueStyle = style;
return obj;
}
/// <summary>
/// Sets the style in which the list of choices is displayed.
/// </summary>
/// <typeparam name="T">The prompt result type.</typeparam>
/// <param name="obj">The prompt.</param>
/// <param name="style">The style to use for displaying the choices.</param>
/// <returns>The same instance so that multiple calls can be chained.</returns>
public static TextPrompt<T> ChoicesStyle<T>(this TextPrompt<T> obj, Style style)
{
if (obj is null)
{
throw new ArgumentNullException(nameof(obj));
}
if (style is null)
{
throw new ArgumentNullException(nameof(style));
}
obj.ChoicesStyle = style;
return obj;
}
}