functions/Show-DbaServerFileSystem.ps1

function Show-DbaServerFileSystem {
<#
    .SYNOPSIS
        Shows file system on remote SQL Server in a local GUI and returns the selected directory name
 
    .DESCRIPTION
        Similar to the remote file system popup you see when browsing a remote SQL Server in SQL Server Management Studio, this function allows you to traverse the remote SQL Server's file structure.
 
        Show-DbaServerFileSystem uses SQL Management Objects to browse the directories and what you see is limited to the permissions of the account running the command.
 
    .PARAMETER SqlInstance
        The SQL Server whose filesystem you want to view.
 
    .PARAMETER SqlCredential
        Login to the target instance using alternative credentials. Windows and SQL Authentication supported. Accepts credential objects (Get-Credential)
 
    .PARAMETER WhatIf
        If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run.
 
    .PARAMETER Confirm
        If this switch is enabled, you will be prompted for confirmation before executing any operations that change state.
 
    .NOTES
        Tags: Storage, FileSystem
        Author: Chrissy LeMaire (@cl), netnerds.net
 
        Website: https://dbatools.io
        Copyright: (c) 2018 by dbatools, licensed under MIT
        License: MIT https://opensource.org/licenses/MIT
 
    .LINK
        https://dbatools.io/Show-DbaServerFileSystem
 
    .EXAMPLE
        PS C:\> Show-DbaServerFileSystem -SqlInstance sqlserver2014a
 
        Shows a list of databases using Windows Authentication to connect to the SQL Server. Returns a string of the selected path.
 
    .EXAMPLE
        PS C:\> Show-DbaServerFileSystem -Source sqlserver2014a -SqlCredential $cred
 
        Shows a list of databases using SQL credentials to connect to the SQL Server. Returns a string of the selected path.
 
#>

    [CmdletBinding(SupportsShouldProcess)]
    param (
        [parameter(Mandatory, ValueFromPipeline)]
        [Alias("ServerInstance", "SqlServer")]
        [DbaInstanceParameter]$SqlInstance,
        [object]$SqlCredential
    )

    begin {
        try {
            Add-Type -AssemblyName PresentationFramework
        }
        catch {
            throw "Windows Presentation Framework required but not installed."
        }

        function Add-TreeItem {
            param (
                [string]$name,
                [object]$parent,
                [string]$tag
            )

            $childitem = New-Object System.Windows.Controls.TreeViewItem

            $textblock = New-Object System.Windows.Controls.TextBlock
            $textblock.Margin = "5,0"

            $stackpanel = New-Object System.Windows.Controls.StackPanel
            $stackpanel.Orientation = "Horizontal"

            $image = New-Object System.Windows.Controls.Image
            $image.Height = 20
            $image.Width = 20
            $image.Stretch = "Fill"

            if ($name.length -eq 1) {
                $image.Source = $diskicon
                $textblock.Text = "$name`:"
                $childitem.Tag = "$name`:"

            }
            else {
                $image.Source = $foldericon
                $textblock.Text = $name
                $childitem.Tag = "$tag\$name"
            }

            [void]$stackpanel.Children.Add($image)
            [void]$stackpanel.Children.Add($textblock)

            $childitem.Header = $stackpanel

            [void]$childitem.Items.Add("*")
            [void]$parent.Items.Add($childitem)
        }

        function Get-SubDirectory {
            param (
                [string]$nameSpace,
                [object]$treeviewItem
            )

            $textbox.Text = $nameSpace
            try {
                $dirs = $sourceserver.EnumDirectories($nameSpace)
            }
            catch {
                return
            }
            $subdirs = $dirs.Name

            foreach ($subdir in $subdirs) {
                if (!$subdir.StartsWith("$") -and $subdir -ne 'System Volume Information') {
                    Add-TreeItem -Name $subdir -Parent $treeviewItem -Tag $nameSpace
                }
            }
        }

        function Convert-b64toimg {
            param ($base64)

            $bitmap = New-Object System.Windows.Media.Imaging.BitmapImage
            $bitmap.BeginInit()
            $bitmap.StreamSource = [System.IO.MemoryStream][System.Convert]::FromBase64String($base64)
            $bitmap.EndInit()
            $bitmap.Freeze()
            return $bitmap
        }

        $diskicon = Convert-b64toimg "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"
        $foldericon = Convert-b64toimg "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"
        $dbatoolsicon = Convert-b64toimg "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"

        $sourceserver = Connect-SqlInstance -SqlInstance $SqlInstance -SqlCredential $SourceSqlCredential
    }

    process {
        # Create XAML form in Visual Studio, ensuring the ListView looks chromeless
        [xml]$xaml = '<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Locate Folder" Height="620" Width="440" Background="#F0F0F0"
        WindowStartupLocation="CenterScreen">
    <Grid>
        <TreeView Name="treeview" Height="462" Width="391" Background="#FFFFFF" BorderBrush="#FFFFFF" Foreground="#FFFFFF" Margin="11,36,11,79"/>
        <Label x:Name="label" Content="Select the folder:" HorizontalAlignment="Left" Margin="15,4,0,0" VerticalAlignment="Top"/>
        <Label x:Name="path" Content="Selected Path" HorizontalAlignment="Left" Margin="15,502,0,0" VerticalAlignment="Top"/>
        <TextBox Name="textbox" HorizontalAlignment="Left" Height="Auto" Margin="111,504,0,0" TextWrapping="NoWrap" Text="C:\" VerticalAlignment="Top" Width="292"/>
        <Button Name="okbutton" Content="OK" HorizontalAlignment="Left" Margin="241,540,0,0" VerticalAlignment="Top" Width="75"/>
        <Button Name="cancelbutton" Content="Cancel" HorizontalAlignment="Left" Margin="328.766,540,0,0" VerticalAlignment="Top" Width="75"/>
    </Grid>
</Window>
'

        # Turn XAML into PowerShell objects
        $window = [Windows.Markup.XamlReader]::Load((New-Object System.Xml.XmlNodeReader $xaml))
        $window.icon = $dbatoolsicon

        $xaml.SelectNodes("//*[@Name]") | ForEach-Object { Set-Variable -Name ($_.Name) -Value $window.FindName($_.Name) -Scope Script }

        try {
            $drives = ($sourceserver.EnumAvailableMedia()).Name
        }
        catch {
            throw "No access to remote SQL Server files."
        }

        foreach ($drive in $drives) {
            $drive = $drive.Replace(":", "")
            Add-TreeItem -Name $drive -Parent $treeview -Tag $drive
        }

        $window.Add_SourceInitialized( {
                [System.Windows.RoutedEventHandler]$Event = {
                    if ($_.OriginalSource -is [System.Windows.Controls.TreeViewItem]) {
                        $treeviewItem = $_.OriginalSource
                        $treeviewItem.items.clear()
                        Get-SubDirectory -NameSpace $treeviewItem.Tag -TreeViewItem $treeviewItem
                    }
                }
                $treeview.AddHandler([System.Windows.Controls.TreeViewItem]::ExpandedEvent, $Event)
                $treeview.AddHandler([System.Windows.Controls.TreeViewItem]::SelectedEvent, $Event)
            })

        $okbutton.Add_Click( {
                $window.Close()
            })

        $cancelbutton.Add_Click( {
                $textbox.Text = $null
                $window.Close()
            })

        $null = $window.ShowDialog()
    }

    end {

        if ($textbox.Text.length -gt 0) {
            $drive = $textbox.Text + '\'
            return $drive
        }

        Test-DbaDeprecation -DeprecatedOn "1.0.0" -EnableException:$false -Alias Show-SqlServerFileSystem
    }
}