Utility.PS

1.0.9

Write-HostPrompt.ps1

                                <#

.SYNOPSIS

    Displays a PowerShell prompt for multiple fields or multiple choices.

.DESCRIPTION

    Displays a PowerShell prompt for multiple fields or multiple choices.

.EXAMPLE

    PS C:\>Write-HostPrompt "Prompt Caption" "Prompt Message" -Fields @(

        New-Object System.Management.Automation.Host.FieldDescription -ArgumentList "Field 1"

        New-Object System.Management.Automation.Host.FieldDescription -ArgumentList "Field 2"

    )

    Display prompt for 2 fields.

.EXAMPLE

    PS C:\>Write-HostPrompt "Prompt Caption" "Prompt Message" -DefaultChoice 0 -Choices @(

        New-Object System.Management.Automation.Host.ChoiceDescription -ArgumentList "Choice &1 Label","Choice 1 Help Message"

        New-Object System.Management.Automation.Host.ChoiceDescription -ArgumentList "&Yes","Yes Help Message"

        New-Object System.Management.Automation.Host.ChoiceDescription -ArgumentList "$No","No Help Message"

    )

    Display prompt with 3 choices.

.INPUTS

    System.Management.Automation.Host.FieldDescription

    System.Management.Automation.Host.ChoiceDescription

.OUTPUTS

    System.Collections.Generic.Dictionary[System.String,System.Management.Automation.PSObject]

    System.Int32

#>

function Write-HostPrompt {

    [CmdletBinding()]

    param

    (

        # Caption to preceed or title the prompt.

        [Parameter(Mandatory = $true, Position = 1)]

        [string] $Caption,

        # A message that describes the prompt.

        [Parameter(Mandatory = $true, Position = 2)]

        [string] $Message,

        # The fields in the prompt.

        [Parameter(Mandatory = $true, ParameterSetName = 'Fields', Position = 3, ValueFromPipeline = $true)]

        [System.Management.Automation.Host.FieldDescription[]] $Fields,

        # The choices the shown in the prompt.

        [Parameter(Mandatory = $true, ParameterSetName = 'Choices', Position = 3, ValueFromPipeline = $true)]

        [System.Management.Automation.Host.ChoiceDescription[]] $Choices,

        # The index of the label in the choices to make default.

        [Parameter(Mandatory = $false, ParameterSetName = 'Choices', Position = 4)]

        [int] $DefaultChoice = -1

    )

    begin {

        ## Create list to capture multiple fields or multiple choices.

        [System.Collections.Generic.List[System.Management.Automation.Host.FieldDescription]] $listFields = New-Object System.Collections.Generic.List[System.Management.Automation.Host.FieldDescription]

        [System.Collections.Generic.List[System.Management.Automation.Host.ChoiceDescription]] $listChoices = New-Object System.Collections.Generic.List[System.Management.Automation.Host.ChoiceDescription]

    }

    process {

        switch ($PSCmdlet.ParameterSetName) {

            'Fields' {

                foreach ($Field in $Fields) { $listFields.Add($Field) }

            }

            'Choices' {

                foreach ($Choice in $Choices) { $listChoices.Add($Choice) }

            }

        }

    }

    end {

        switch ($PSCmdlet.ParameterSetName) {

            'Fields' { return $Host.UI.Prompt($Caption, $Message, $listFields.ToArray()) }

            'Choices' { return $Host.UI.PromptForChoice($Caption, $Message, $listChoices.ToArray(), $DefaultChoice) }

        }

    }

}

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# SIG # End signature block