PSGUIHelper.psm1

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Using Namespace System.Collections.Generic
Using Namespace System.ComponentModel
Using Namespace System.Linq
Using Namespace System.Reflection
Using Namespace System.Text
Using Namespace System.Windows
Using Namespace System.Windows.Input
Using Namespace System.Windows.Markup
Using Namespace System.Windows.Media
Using Namespace System.Windows.Threading
function Hide-Console {
    Write-Verbose 'Hiding PowerShell console...'
    # .NET method for hiding the PowerShell console window
    # https://stackoverflow.com/questions/40617800/opening-powershell-script-and-hide-command-prompt-but-not-the-gui
    Add-Type -Name Window -Namespace Console -MemberDefinition '
    [DllImport("Kernel32.dll")]
    public static extern IntPtr GetConsoleWindow();
    [DllImport("user32.dll")]
    public static extern bool ShowWindow(IntPtr hWnd, Int32 nCmdShow);
    '

    $consolePtr = [Console.Window]::GetConsoleWindow()
    [Console.Window]::ShowWindow($consolePtr, 0) # 0 = hide
}
Function Add-PSGUIActions {
    <#
        .SYNOPSIS
        Adds Actions to Controls
         
        .PARAMETER XAMLfile
        Path of the WPF XAML file
         
        .PARAMETER Control
        Sets the control in question
 
        .PARAMETER EditorMode
        Allows live editing of control actions
         
        .EXAMPLE
        Add-PSGUIActions -XAMLFile "test.xaml" -Control $Control -EditorMode $false
         
    #>
 
    [CmdletBinding()]
    param(
        [Parameter(Position = 0, Mandatory = $true)]
        [ValidateScript( { Test-Path $_ })]
        [string]$XAMLfile, 

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

        [Parameter(Position = 2)]
        [bool]$EditorMode = $False
         
    )

    begin {
        $xamlpath = Get-Item -Path $XAMLfile
        [xml]$xaml = Get-Content -Path $XAMLfile
        $FileRootFolder = $xamlpath.Directory | Split-path

        IF (!($EDITORMODE)) {
            .  $FileRootFolder\GUIScripts\$($xamlpath.BaseName)-guiscripts.ps1
        }
    }
    
    process {
        $xaml.SelectNodes("//*[@Name]") | ForEach-Object {
            Set-Variable -Name ($_.Name) -Value $control.FindName($_.Name) -Scope Global
             
            IF ($_.Tag -ne $null) {
                $name = $_.Name
                $_.Tag -split ',' | ForEach-Object {
                    $tag = ($_).Trim()
        
                    $btntemp = $xamlpath.BaseName + "_" + $name + "_" + $tag
                    Write-Verbose "Registering Action $btntemp"
             
                    # Load all available buttons, and execute via external script file
                    IF ($EDITORMODE) {

                        $action2 = @'
param ([object]$Sender, [Object]$e)
$actionname = $e.RoutedEvent.Name
 
'@



                        $action2 += @"
    Write-Verbose "Viewing $btntemp"
    & "$FileRootFolder\GUIScripts\$($xamlpath.BaseName)\$btntemp.ps1"
"@


                        $scriptblock = [scriptblock]::Create($action2)
                        Write-Verbose "Editor Mode Enabled - $name - $Tag" 
                        Try {
                            (Get-Variable -Name $name).Value.$("Add_$tag")($scriptblock)
                        }
                        Catch {
                            Write-Verbose "ERROR: "
                        }
                            IF (!(Test-Path $FileRootFolder\GUIScripts\$($xamlpath.BaseName)\$btntemp.ps1)) {
                            new-item $FileRootFolder\GUIScripts\$($xamlpath.BaseName)\$btntemp.ps1 -force
                        }
                        
                    }
                    
                    ELSE {
                    
                        (Get-Variable -Name $name).Value.$("Add_$tag")($((Get-Variable -Name $btntemp).Value))
                    
    
                    } #END ELSE
                } # END Tag Split

            } # IF TAG END
        } # END XAML Node
    } # END PROCESS

    end { }
}
Function Export-PSGUIScripts {
    [CmdletBinding()]
    param(
        [ValidateScript({Test-Path $_})]
        [string]$xamlpath)
    $xamlpath = Get-Item -Path $xamlpath
    [xml]$xaml = Get-Content -Path $xamlpath
    $FileRootFolder = $xamlpath.Directory  | Split-path

    $xaml.SelectNodes("//*[@Name]") | Select-Object Name, Tag | Where-Object {$_.Tag -ne $null}  | ForEach-Object {
        $name = $_.Name
        $_.Tag -split ',' | ForEach-Object {
            
                $tag = ($_).Trim()
        $btntemp = $xamlpath.BaseName + "_" + $Name + "_" + $tag

        Write-Verbose "Exporting Script" 
        $filepath = $(Join-Path -Path "$FileRootFolder\GUIScripts\$($xamlpath.BaseName)" -ChildPath "$btntemp.ps1")
        IF (TEST-path $filepath) {
            $action2 += "`$$btntemp = `{`r`n"
            $action2 += 'param ([object]$Sender, [Object]$e)' + "`r`n`r`n"
            $action2 += [IO.File]::ReadAllText($filepath) +  "`r`n"
            $action2 += "`}`r`n`n" 
        }
    }
    
}
    $action2 | Out-File "$FileRootFolder\GUIScripts\$($xamlpath.BaseName)-guiscripts.ps1" -Encoding UTF8 -force
}
Function New-PSGUIWPF {

    <#
        .SYNOPSIS
        Start the WPF application
         
        .PARAMETER XAMLfile
        Path of the WPF XAML file
         
        .PARAMETER EditorMode
        To edit your GUI WPF scripts live without closing the GUI
         
        .EXAMPLE
        New-PSGUIWPF -XAMLFile "test.xaml"
 
    #>

[CmdletBinding()]

    param(
        [Parameter(Position=0,Mandatory=$true)]
        [ValidateScript({Test-Path $_})]
        [string]$XAMLfile, 

        [Parameter(Position=1)]
        [ValidateSet('True', 'False')]
        [bool]$EditorMode=$False, 
        $DataContext, 
        $ScriptRootFolder
        )
  
    $xamlfile = Get-Item -Path $xamlfile

    #region Add required assemblies
    Write-Verbose "Loading Assembly"

    [System.Windows.Forms.Application]::EnableVisualStyles()
    #endregion required assemblies

    #region XAML Main Window

    $Global:Window = Read-PSGUIXaml -XAMLfile $xamlfile

    IF ($EDITORMODE) {
        $Window.Title += " - Editor Mode Enabled"
    }
    ELSE{
        Hide-Console
    }

    Add-PSGUIActions -XAMLfile $xamlfile -Control $Window -Editormode $EDITORMODE
    #endregion XAML Main Window


    #region Setup DataContext
        
    $Window.DataContext = $DataContext 
    #endregion Setup DataContext

    # If code is running in ISE, use ShowDialog()...
    if ($psISE -or $isCode) {
        $null = $Window.ShowDialog()
        # ...otherwise run as an application
    }
    Else {

 
        #$app = [Windows.Application]::New()
        #$null = $app.Run($Window)
        $null = $Window.ShowDialog()
        # Force garbage collection just to start slightly lower RAM usage.
        [System.GC]::Collect()
    }
    #endregion RUN APP

    IF ($output -ne "") {
        $output
    }
}
function Read-PSGUIXaml {
    <#
        .SYNOPSIS
        Reads the XAML File Content
         
        .PARAMETER XAMLfile
        Path of the WPF XAML file
         
        .EXAMPLE
        Read-PSGUIXaml -XAMLFile "test.xaml"
         
    #>

    [CmdletBinding()]
    param(        
        [Parameter(Position = 0, Mandatory = $true)]
        [ValidateScript( { Test-Path $_ })]
        [string]$XAMLfile
    )

    Write-Verbose "Loading XAML $xaml - $FileRootFolder"

    $xamlContent = Get-Content -Path $XAMLfile -raw

    [xml]$xamlxml = $xamlContent.Replace('{0}', $((Get-Item -Path $XAMLfile).Directory | Split-path))
    $xamlReader = New-Object System.Xml.XmlNodeReader $xamlxml

    [Windows.Markup.XamlReader]::Load($xamlReader)
}
Function Update-PSGUIWPF {
    <#
        .SYNOPSIS
        Updates WPF Control in a dynamic way
         
        .PARAMETER XAMLfile
        Path of the WPF XAML file
         
        .PARAMETER ControlName
        Target the Control to be updated
         
        .EXAMPLE
        Update-PSGUIWPF -XAMLFile "test.xaml" -ControlMame $control
    #>

    [CmdletBinding()]
    param(
        [Parameter(Position=0,Mandatory=$True)]
        [ValidateScript({Test-Path $_})]
        [string]$XAMLfile, 
        [Parameter(Position = 1, Mandatory = $True)]
        $ControlName, 
        [Parameter(Position = 2)]
        [bool]$EditorMode = $False
         
    )

    begin {
    }

    ### CHange XAML Views
    process {
        $xaml = Read-PSGUIXaml -XAMLfile $XAMLfile

        (get-variable -Name "$ControlName").Value.Content =  $xaml
        $control = (get-variable -Name "$ControlName").Value.Content
        Add-PSGUIActions -XAMLfile $xamlpath -Control $control -Editormode $EDITORMODE
    }

    end {
        Write-Verbose $xamlpath
    }

}