Read-Choice.psm1
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Set-StrictMode -Version Latest function Read-Choice { param( [Parameter(Mandatory=$true)][string]$caption, [Parameter(Mandatory=$true)][string]$message, [Parameter(Mandatory=$true)][array]$choices, [int]$defaultChoiceIndex = -1 ); if ($choices[0] -is [string]) { $choices = $choices | % { New-Object System.Management.Automation.Host.ChoiceDescription $_ } } $answerIndex = $host.ui.PromptForChoice($caption, $message, $choices, $defaultChoiceIndex) return $choices[$answerIndex].Label <# .SYNOPSIS Prompts the user to pick a choice from a set of options .DESCRIPTION Prompts the user to pick a choice from a set of options. Based on http://scriptolog.blogspot.com/2007/09/make-choice.html .PARAMETER caption The title of the prompt .PARAMETER message The question being asked .PARAMETER choices An array of choices. These can be strings or System.Management.Automation.Host.ChoiceDescription objects. Prepend a letter with an ampersand to indicate the choice's hotkey .PARAMETER defaultChoiceIndex The zero-based index of the default choice .OUTPUTS The text of the choice #> } function Read-BooleanChoice { param( [Parameter(Mandatory=$true)][string]$caption, [Parameter(Mandatory=$true)][string]$message, [string]$trueLabel = '&Yes', [string]$trueHelp = '', [string]$falseLabel = '&No', [string]$falseHelp = '', [switch]$showFalseAsFirstOption, $defaultChoice = $null ); $trueChoice = New-Object System.Management.Automation.Host.ChoiceDescription $trueLabel,$trueHelp $falseChoice = New-Object System.Management.Automation.Host.ChoiceDescription $falseLabel,$falseHelp $defaultChoiceIndex = -1 if ($defaultChoice -ne $null) { $defaultChoiceIndex = 0 if ($defaultChoice -eq $false -xor $showFalseAsFirstOption) { $defaultChoiceIndex = 1 } } if ($showFalseAsFirstOption) { $choices = @($falseChoice,$trueChoice) } else { $choices = @($trueChoice,$falseChoice) } $answerLabel = Read-Choice $caption $message $choices $defaultChoiceIndex return $answerLabel -eq $trueLabel <# .SYNOPSIS Prompts the user between two choices .DESCRIPTION Prompts the user to choose an answer to a yes-or-no question .PARAMETER caption The title of the prompt .PARAMETER trueLabel The label for the choice that evaluates as true. Use an ampersand before the letter that should be the hotkey, e.g. '&Yes' .PARAMETER trueHelp The help text for the choice that evaluates as true .PARAMETER falseLabel The label for the choice that evaluates as false. Use an ampersand before the letter that should be the hotkey, e.g. '&No' .PARAMETER falseHelp The help text for the choice that evaluates as false .PARAMETER showFalseAsFirstOption Whether to show the false choice first .PARAMETER defaultChoice $true to default to the true choice, $false to default to the false choice, or $null to have no default .OUTPUTS $true if the true choice was picked, otherwise $false #> } Export-ModuleMember Read-Choice Export-ModuleMember Read-BooleanChoice |