Themes.ps1
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<#
.SYNOPSIS Convert a Office 365 UI Fabric theme to the Valo format .DESCRIPTION This Cmdlet is used to conver an Office 365 UI Fabric theme to the usable format by Valo (which is a .txt) JSON, PS1 file extensions are supported. .LINK Nexus Innovations : http://www.nexusinno.com #> function global:ConvertTo-ValoTheme { [CmdletBinding()] Param( [ValidateScript({Test-Path $_})] [Parameter(Mandatory=$true)] [string]$InputFilePath, [ValidateScript({Test-Path $_})] [Parameter(Mandatory=$false)] [string]$OutputPath ) $file = Get-ChildItem $InputFilePath switch($file.Extension) { ".json" { Write-Verbose "Converting JSON theme to Valo Theme" $converted = $file | Convert-JsonTheme } ".ps1" { Write-Verbose "Converting PowerShell theme to Valo Theme" $converted = $file | Convert-PowerShellTheme } default { throw "Unsupported Theme file extension!" } } # Adding Valo theme properties with default values $converted += @("primaryBackground = #ffffff", "primaryText = #333333", "disabledBackground = #ffffff", "disabledText = #333333") Write-Verbose "Writing theme data to txt file" $valoTheme = Join-Path -Path $file.Directory.FullName -ChildPath "$($file.BaseName).txt" if(![string]::IsNullOrEmpty($OutputPath)) { $valoTheme = Join-Path -Path $OutputPath -ChildPath "$($file.BaseName).txt" } Set-Content -Path $valoTheme -Value $converted } function global:ConvertFrom-ValoTheme { Param( [Parameter(Mandatory=$true)] [ValidateScript({Test-Path $_})] [string]$ValoThemePath, [ValidateScript({Test-Path $_})] [string]$OutputPath = (Get-Location) ) Write-Verbose "[ConvertFrom-ValoTheme] Entering function scope" $valoThemeEntries = Get-Content $ValoThemePath Write-Verbose "[ConvertFrom-ValoTheme] Converting text based entries to PowerShell hastable" $dictionary = @{} $valoThemeEntries | ForEach-Object { $entry = $_.Split("=").Trim() $dictionary.Add($entry[0], $entry[1]) } Write-Verbose "[ConvertFrom-ValoTheme] Converting Hashtable to json" $converted = $dictionary | ConvertTo-Json $themeFileName = $ValoThemePath | Expand-FileNameFromPath $destination = Join-Path $OutputPath "$themeFileName.json" Write-Verbose "[ConvertFrom-ValoTheme] Persisting converted file to $destination" Set-Content -Path $destination -Value $converted } function script:Convert-JsonTheme { Param( [Parameter(Mandatory=$true, ValueFromPipeline=$true)] [System.IO.FileInfo]$Theme ) $convertedContent = @() $json = Get-Content $Theme.FullName | Out-String | ConvertFrom-Json $themeColorNames = $json | ` Get-Member -MemberType NoteProperty | ` Select-Object -ExpandProperty Name foreach($name in $themeColorNames) { $content = [string]::Format("{0} = {1}",$name, $json."$name") $convertedContent += $content } return $convertedContent } function script:Convert-PowerShellTheme { Param( [Parameter(Mandatory=$true, ValueFromPipeline=$true)] [System.IO.FileInfo]$Theme ) # Source PowerShell file to access the Hashtable within $dictionary = . $theme.FullName $convertedContent = @() foreach($key in $dictionary.Keys) { $content = [string]::Format("{0} = {1}", $key, $dictionary[$key]) $convertedContent += $content } return $convertedContent } function script:Expand-FileNameFromPath { Param ( [Parameter(Mandatory=$true, ValueFromPipeline=$true)] [string]$ValoThemePath ) # Extract the theme file name without the extension return (Split-Path $ValoThemePath -Leaf).Split(".") | Select-Object -First 1 } |