public/prompts/Read-SpectreSelection.ps1
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using module "..\..\private\completions\Completers.psm1" using namespace Spectre.Console function Read-SpectreSelection { <# .SYNOPSIS Displays a selection prompt using Spectre Console. .DESCRIPTION This function displays a selection prompt using Spectre Console. The user can select an option from the list of choices provided. The function returns the selected option. .PARAMETER Title The title of the selection prompt. .PARAMETER Choices The list of choices to display in the selection prompt. ChoiceLabelProperty is required if the choices are complex objects rather than an array of strings. .PARAMETER ChoiceLabelProperty If the object is complex then the property of the choice object to use as the label in the selection prompt is required. .PARAMETER Color The color of the selected option in the selection prompt. .PARAMETER PageSize The number of choices to display per page in the selection prompt. .EXAMPLE $color = Read-SpectreSelection -Title "Select your favorite color" -Choices @("Red", "Green", "Blue") -Color "Green" # Type "↓", "↓", "↓", "↓", "↲" to wrap around the list and choose green Write-SpectreHost "Your chosen color is '$color'" #> [Reflection.AssemblyMetadata("title", "Read-SpectreSelection")] param ( [string] $Title = "What's your favourite colour [$($script:AccentColor.ToMarkup())]option[/]?", [array] $Choices = @("red", "green", "blue"), [string] $ChoiceLabelProperty, [ColorTransformationAttribute()] [ArgumentCompletionsSpectreColors()] [Color] $Color = $script:AccentColor, [int] $PageSize = 5 ) $spectrePrompt = [SelectionPrompt[string]]::new() $choiceLabels = $Choices if ($ChoiceLabelProperty) { $choiceLabels = $Choices | Select-Object -ExpandProperty $ChoiceLabelProperty } $duplicateLabels = $choiceLabels | Group-Object | Where-Object { $_.Count -gt 1 } if ($duplicateLabels) { throw "You have duplicate labels in your select list, this is ambiguous so a selection cannot be made" } $spectrePrompt = [SelectionPromptExtensions]::AddChoices($spectrePrompt, [string[]]$choiceLabels) $spectrePrompt.Title = $Title $spectrePrompt.PageSize = $PageSize $spectrePrompt.WrapAround = $true $spectrePrompt.HighlightStyle = [Style]::new($Color) $spectrePrompt.MoreChoicesText = "[$($script:DefaultValueColor.ToMarkup())](Move up and down to reveal more choices)[/]" $selected = Invoke-SpectrePromptAsync -Prompt $spectrePrompt if ($ChoiceLabelProperty) { $selected = $Choices | Where-Object -Property $ChoiceLabelProperty -Eq $selected } return $selected } |