com.start-automating.windowsscriptdeck.sdPlugin/WatchPath.@KeyDown,WillAppear.ps1
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$invokeError = $null $settings = $event.MessageData.payload.settings if (-not $settings.Path) { return } $eventName = $settings.Path $fileWatcherFilter = $settings.PathFilter $eventSubscribers = Get-EventSubscriber $separator = [IO.Path]::DirectorySeparatorChar $eventName = $ExecutionContext.SessionState.InvokeCommand.ExpandString($eventName) # If the event name was not a path, if (-not "$eventName".Contains("$separator")) { return # we are done. } # Split the path into parts $pathParts = @($eventName.Split("$separator")) # If the last part contained wildcards, it's a filter $fileWatcherPath, $fileWatcherFilter = if ($pathParts[-1] -match '[\*\?]') { ($pathParts[0..($pathParts.Length - 2)] -join $separator) $pathParts[-1] } elseif ($pathParts[-1] -match '\.') { ($pathParts[0..($pathParts.Length - 2)] -join $separator) $pathParts[-1] } else { $pathParts -join $separator $fileWatcherFilter } # Find any previous event subscriptions from this button. $toRemove = $eventSubscribers | Where-Object { $_.SourceObject -is [IO.FileSystemWatcher] -and $_.SourceObject.SourceEvent.MessageData.Context -eq $event.MessageData.Context } # And remove them. $toRemove | Unregister-Event # Create a FileSystemWatcher $fileSystemWatcher = [IO.FileSystemWatcher]::new() $fileSystemWatcher | Add-Member SourceEvent $event -Force $fileSystemWatcher.Path = $fileWatcherPath # set the filter, if ($fileWatcherFilter) { $fileSystemWatcher.Filter = $fileWatcherFilter } # (recurse if they said they want to), if ($settings.Recurse) { $fileSystemWatcher.IncludeSubdirectories = $true } # set up the notification files, $NotifyFilter = $settings.FileChangeEvent -as [IO.NotifyFilters] if (-not $NotifyFilter) { $NotifyFilter = 'LastWrite'} $fileSystemWatcher.NotifyFilter = $NotifyFilter # predetermine the event id $fileChangedSourceId = "FileChanged_$($event.MessageData.Context)" # and create a handler to propagate the event. $propagateFileEvent = " `$fileChangedContext = '$($event.MessageData.Context)' `$fileChangedSourceId = '$fileChangedSourceId' " + { # Why not subscribe directly? # FileSystemWatcher often sends multiple events, # so we'll guard against that by propagating only the first in a timeframe. if ($script:LastFileEvent) { if (($event.TimeGenerated - $script:LastFileEvent.TimeGenerated) -gt '00:00:00.25') { $script:LastFileEvent = $null } } # If the last event was from the same context, return if ($script:LastFileEvent -and $event.SourceArgs[1].FullPath -eq $script:LastFileEvent.SourceArgs[1].FullPath -and ($script:LastFileEvent.MessageData.Context -eq $event.MessageData.Context)) { return } $script:LastFileEvent = $event # Create an object for the file change $eventMessageData = [Ordered]@{ FilePath = $event.SourceArgs[1].FullPath } # and get the subscriber. $sourceSubscriber = Get-EventSubscriber | Where-Object { $_.SourceObject.SourceEvent.MessageData.Context -eq $fileChangedContext } # The subscriber has the source event, which provides additional context foreach ($prop in $sourceSubscriber.SourceObject.SourceEvent.MessageData.psobject.properties) { # so add that to the message. $eventMessageData[$prop.Name] = $prop.Value } $eventMessageData = [PSCustomObject]$eventMessageData # and generate the file event. New-Event -SourceIdentifier $fileChangedSourceId -MessageData $eventMessageData } # Now, we need to unregister all of the events subscribers related to this button. Get-EventSubscriber -SourceIdentifier $fileChangedSourceId -ErrorAction Ignore | Unregister-Event # and register our changed event. Register-ObjectEvent -EventName Changed -Action ( [scriptblock]::Create($propagateFileEvent) ) -InputObject $fileSystemWatcher # If there was a specific handler if ($settings.Handler) { try { # Register for it $createdHandler = [ScriptBlock]::Create($settings.Handler) Register-EngineEvent -SourceIdentifier $fileChangedSourceId -Action $createdHandler } catch { $ex = $_ Send-StreamDeck -LogMessage "WatchEvent@ScriptDeck: Could not create handler: $($ex | Out-String)" Send-StreamDeck -ShowAlert -Context $event.MessageData.Context } } # If they want to automatically set images if ($settings.AutoSetImage) { # register a handler that Register-EngineEvent -SourceIdentifier $fileChangedSourceId -Action { $eventFile = $event.MessageData.FilePath -as [IO.FileInfo] # will set the image if the event file is an image file. if ($eventFile.Extension -in '.gif', '.svg' ,'.png', '.jpg', '.jpeg', '.bmp') { Send-StreamDeck -ImagePath $eventFile.Fullname -Context $event.MessageData.Context } } } # If they want to automatically set the title, if ($settings.AutoSetTitle) { # register a handler Register-EngineEvent -SourceIdentifier $fileChangedSourceId -Action { $eventFile = $event.MessageData.FilePath -as [IO.FileInfo] # that sets the title to the name of the file. Send-StreamDeck -Title $eventFile.Name -Context $event.MessageData.Context } } # If they want to send a message if ($settings.SendMessage) { # write this event to disk $context = $event.MessageData.context $messageDataJson = $event.MessageData | ConvertTo-Json -Depth 10 $messagePath = Join-Path $fileWatcherPath "$(@($event.SourceIdentifier -split '\.' -ne '')[-1]).$context.json" $messageDataJson | Set-Content $messagePath } # If they want to RunScripts if ($settings.RunScripts) { # create a handler that will run any .ps1 Register-EngineEvent -SourceIdentifier $fileChangedSourceId -Action { $eventFile = $event.MessageData.FilePath -as [IO.FileInfo] if ($eventFile.Extension -ne '.ps1') { return } . $eventFile.FullName } } if ($invokeError) { Send-StreamDeck -ShowAlert -Context $event.MessageData.Context } else { Send-StreamDeck -ShowOK -Context $event.MessageData.Context } |