Public/Start-Countdown.ps1
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<#
# Start-Countdown Zeigt die Restlaufzeit in einem GUI-Fenster. - **Hashtags** UserCmdlet Countdown - **Version** 2020.6.8 #> using namespace System using namespace System.Management.Automation using namespace System.Windows.Markup using namespace System.Windows.Media using namespace System.Windows.Threading $BackupErrorActionPreference = $ErrorActionPreference $ErrorActionPreference = [ActionPreference]::Stop Set-StrictMode -Version Latest Add-Type -AssemblyName 'WindowsBase' Add-Type -AssemblyName 'PresentationFramework' Add-Type -AssemblyName 'PresentationCore' function Start-Countdown { <# .SYNOPSIS Zeigt die Restlaufzeit in einem GUI-Fenster. .EXAMPLE Start-Countdown -Minutes 15 -Title 'Kaffeepause-Ende in' #> param ( [ValidateRange(1, 525600)] # 1 Minute bis 1 Jahr [decimal]$Minutes = 1, [ValidateLength(3, 50)] [string]$Title = 'Restlaufzeit des Countdowns' ) $Script:My = [HashTable]::Synchronized(@{}) $Script:My.WindowXaml = @' <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Countdown" WindowStartupLocation="CenterScreen" Height="270" Width="770"> <Viewbox StretchDirection="Both" Stretch="Uniform"> <Grid> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <TextBlock x:Name="Überschrift" Grid.Row="0" HorizontalAlignment="Center" Margin="50 20" VerticalAlignment="Center" FontFamily="Consolas" FontSize="40" FontWeight="ExtraBold" /> <TextBlock x:Name="CounterText" Grid.Row="1" HorizontalAlignment="Center" Margin="50 20" VerticalAlignment="Center" FontFamily="Consolas" FontSize="40" /> <ProgressBar x:Name="ProgressBar" Grid.Row="2" Background="Transparent" Maximum="100" Margin="50 20" Height="50" /> </Grid> </Viewbox> </Window> '@ $Script:My.Window = [XamlReader]::Parse($Script:My.WindowXaml) $Script:My.Überschrift = $Script:My.Window.FindName('Überschrift') $Script:My.Überschrift.Text = $Title $Script:My.CounterText = $Script:My.Window.FindName('CounterText') $Script:My.ProgressBar = $Script:My.Window.FindName('ProgressBar') $Script:My.Timer = New-Object -TypeName 'DispatcherTimer' $Script:My.DauerGesamt = New-TimeSpan -Minutes $Minutes $Script:My.Ende = (Get-Date) + $Script:My.DauerGesamt $Script:My.Window.Add_Loaded({ $Script:My.Timer.Interval = [timespan]::FromSeconds(1) $Script:My.Timer.Add_Tick({ $DauerRest = $Script:My.Ende - (Get-Date) if ($DauerRest.TotalSeconds -le 0) { #$Script:My.Window.Close() $Script:My.Timer.Stop() $Script:My.CounterText.Text = '{0:#.##} Minuten sind abgelaufen! ' -f $DauerRest.TotalMinutes } $ZeitAbgelaufenInSekunden = [int]($Script:My.DauerGesamt.TotalSeconds - $DauerRest.TotalSeconds) $ZeitAbgelaufenInProzent = [int]($ZeitAbgelaufenInSekunden / $Script:My.DauerGesamt.TotalSeconds * 100) $CountdownMessage = '{0} Stunden - {1} Minuten - {2} Sekunden' -f $DauerRest.Hours, $DauerRest.Minutes, $DauerRest.Seconds if ($DauerRest.Hours -eq 1) { $CountdownMessage = $CountdownMessage -replace 'Stunden' , 'Stunde' } if ($DauerRest.Minutes -eq 1) { $CountdownMessage = $CountdownMessage -replace 'Minuten' , 'Minute' } if ($DauerRest.Seconds -eq 1) { $CountdownMessage = $CountdownMessage -replace 'Sekunden' , 'Sekunde' } $Script:My.CounterText.Text = $CountdownMessage $Script:My.ProgressBar.Value = $ZeitAbgelaufenInProzent switch ($ZeitAbgelaufenInProzent) { {$_ -ge 0 -and $_ -le 10} { $Script:My.ProgressBar.Foreground="Yellow" ; break } {$_ -gt 10 -and $_ -le 20} { $Script:My.ProgressBar.Foreground="GreenYellow" ; break } {$_ -gt 20 -and $_ -le 30} { $Script:My.ProgressBar.Foreground="YellowGreen" ; break } {$_ -gt 30 -and $_ -le 40} { $Script:My.ProgressBar.Foreground="Green" ; break } {$_ -gt 40 -and $_ -le 50} { $Script:My.ProgressBar.Foreground="DeepSkyBlue" ; break } {$_ -gt 50 -and $_ -le 60} { $Script:My.ProgressBar.Foreground="DodgerBlue" ; break } {$_ -gt 60 -and $_ -le 70} { $Script:My.ProgressBar.Foreground="Blue" ; break } {$_ -gt 70 -and $_ -le 80} { $Script:My.ProgressBar.Foreground="Orange" ; break } {$_ -gt 80 -and $_ -le 90} { $Script:My.ProgressBar.Foreground="OrangeRed" ; break } {$_ -gt 90 } { $Script:My.ProgressBar.Foreground="Red" ; break } } }) $Script:My.Timer.Start() }) $Script:My.Window.Add_Unloaded({ $Script:My.Timer.Stop() }) $Script:My.Window.Topmost = $true $Script:My.Window.ShowDialog() | Out-Null Clear-Variable -Name this -Scope Script -Force } $ErrorActionPreference = $BackupErrorActionPreference Set-StrictMode -Off |