Private/Write-Menu.ps1
|
function Write-MenuItem( [Parameter(Mandatory)][String] $MenuItem, [Switch]$IsFocused, [ConsoleColor]$FocusColor) { if ($IsFocused) { Write-Host $MenuItem -ForegroundColor $FocusColor } else { Write-Host $MenuItem } } function Write-Menu { param ( [Parameter(Mandatory)][Array] $MenuItems, [Parameter(Mandatory)][Int] $MenuPosition, [Parameter()][Array] $CurrentSelection, [Parameter(Mandatory)][ConsoleColor] $ItemFocusColor, [Parameter(Mandatory)][ScriptBlock] $MenuItemFormatter, [Switch] $MultiSelect ) $CurrentIndex = Get-CalculatedPageIndexNumber -MenuItems $MenuItems -MenuPosition $MenuPosition -TopIndex $MenuItemCount = Get-CalculatedPageIndexNumber -MenuItems $MenuItems -MenuPosition $MenuPosition -ItemCount for ($i = 0; $i -le $MenuItemCount; $i++) { if ($null -eq $MenuItems[$CurrentIndex]) { Continue } $MenuItemStr = & $MenuItemFormatter $($MenuItems[$CurrentIndex]) if (!$MenuItemStr) { Throw "'MenuItemFormatter' returned an empty string for item #$CurrentIndex" } $IsItemSelected = $CurrentSelection -contains $CurrentIndex $IsItemFocused = $CurrentIndex -eq $MenuPosition $DisplayText = Format-MenuItem -MenuItem $MenuItemStr -MultiSelect:$MultiSelect -IsItemSelected:$IsItemSelected -IsItemFocused:$IsItemFocused Write-MenuItem -MenuItem $DisplayText -IsFocused:$IsItemFocused -FocusColor $ItemFocusColor $CurrentIndex++; } } |