LettuceWPF-EventHandlers.ps1.txt

#
# Event Handlers for our WPF controls
#

# WPF form is loaded
$Form.Add_Loaded({
    # Connect to vCenter and populate the list of clusters
    Connect-VIServer $vCenter
    Get-Cluster | ForEach-Object { $WPF_cluster.Items.Add($_.Name) }

    $WPF_console.IsEnabled = $false     # No sense in clicking the button yet!
})

# A Cluster selection is made in the Cluster ComboBox
$WPF_cluster.Add_SelectionChanged({
    # On selection of a cluster, populate the list of VMs.  The DataGrid control
    # requires an ArrayList for loading
    $VM_array = New-Object System.Collections.ArrayList
    $VMs = Get-Cluster $WPF_cluster.SelectedValue | Get-VM |Select-Object Name, PowerState, NumCPU, MemoryGB | Sort-Object Name
    $VM_array.AddRange($VMs)

    $WPF_details.clear()                     # Clear any prior values
    $WPF_details.ItemsSource = $VM_array     # Load our new values
    $WPF_details.IsReadOnly = $true          # No, these aren't editable

    # Allow sorting on all columns
    $WPF_details.Columns | ForEach-Object { $_.CanUserSort = $true }
    
})

# VM Selection is made in the details DataGrid
$WPF_details.Add_SelectionChanged({
    # Console option is present if VM is on
    $WPF_console.IsEnabled = ($WPF_details.SelectedItems -ne $null) -and 
         ($WPF_details.SelectedValue.PowerState -eq "PoweredOn")
})

# Take action on pressing the Console button
$WPF_console.Add_Click({
    Open-VMConsoleWindow -VM $WPF_details.SelectedValue.Name
    $WPF_console.IsEnabled = $false     # Disable until next choice
})

# WPF for is closed
$Form.Add_Closed({
    Disconnect-VIServer $vCenter -Confirm:$false
})