private void NetworkComboBox_DrawItem(object sender, DrawItemEventArgs e)
{
Graphics g = e.Graphics;
XenAPI.Network network =
(XenAPI.Network)(e.Index == -1 ? NetworkComboBox.SelectedItem : NetworkComboBox.Items[e.Index]);
if (network == null)
{
return;
}
string purpose = FindOtherPurpose(network);
string label =
purpose == null || purpose == Purpose?
network.ToString() :
string.Format(Messages.NETWORK_IN_USE_BY, network.ToString(), purpose);
Brush text_brush = (e.State & DrawItemState.Selected) > 0 ? SystemBrushes.HighlightText : SystemBrushes.ControlText;
e.DrawBackground();
g.DrawString(label, Program.DefaultFont, text_brush, new PointF(e.Bounds.X + 1, e.Bounds.Y + 1));
e.DrawFocusRectangle();
}
public void RefreshButtons()
{
XenAPI.Network network = (XenAPI.Network)NetworkComboBox.SelectedItem;
string purpose = network == null ? null : FindOtherPurpose(network);
InUseWarning =
purpose == null || purpose == Purpose ?
null :
type == Type.SECONDARY && network == ManagementNetwork?
string.Format(Messages.NETWORKING_PROPERTIES_IN_USE_WARNING_MANAGEMENT, network.ToString()) :
string.Format(Messages.NETWORKING_PROPERTIES_IN_USE_WARNING, network.ToString(), purpose);
PurposeLabel.Visible =
PurposeTextBox.Visible =
DeleteButton.Visible =
(type == Type.SECONDARY);
panelHAEnabledWarning.Visible =
(type == Type.PRIMARY_WITH_HA);
SetDNSControlsVisible(type != Type.SECONDARY);
panelInUseWarning.Visible =
InUseWarning != null;
InUseWarningText.Text = InUseWarning;
IpAddressSettingsLabel.Text = type == Type.SECONDARY
? Messages.NETWORKING_PROPERTIES_IP_SETTINGS
: Messages.NETWORKING_PROPERTIES_IP_AND_DNS_SETTINGS;
IPAddressLabel.Text = Pool ? Messages.IP_ADDRESS_RANGE_LABEL : Messages.IP_ADDRESS_LABEL;
tableLayoutPanelStaticSettings.Enabled = FixedIPRadioButton.Checked;
RangeEndLabel.Visible = Pool;
Valid =
InUseWarning == null &&
NetworkComboBox.SelectedIndex != -1 &&
(DHCPIPRadioButton.Checked ||
((StringUtility.IsIPAddress(IPAddressTextBox.Text)) &&
StringUtility.IsValidNetmask(SubnetTextBox.Text) && IsOptionalIPAddress(GatewayTextBox.Text))) &&
(type == Type.SECONDARY || ((IsOptionalIPAddress(PreferredDNSTextBox.Text) &&
IsOptionalIPAddress(AlternateDNS1TextBox.Text) &&
IsOptionalIPAddress(AlternateDNS2TextBox.Text))));
// Grey out everything if HA is enabled: CA-24714
if (type == Type.PRIMARY_WITH_HA)
{
foreach (Control c in Controls)
{
c.Enabled = false;
}
haEnabledWarningIcon.Enabled =
haEnabledRubric.Enabled =
true;
}
var pif = Tag as PIF;
var existingCluster = network != null?network.Connection.Cache.Clusters.FirstOrDefault() : null;
if (pif != null && existingCluster != null)
{
Host host = network.Connection.Resolve(pif.host);
ClusteringEnabled = network.Connection.Cache.Cluster_hosts.Any(cluster =>
cluster.host.opaque_ref == pif.host.opaque_ref && cluster.enabled);
if (ClusteringEnabled)
{
if (host != null && host.enabled)
{
DisableControls(string.Format(Messages.CANNOT_CHANGE_IP_CLUSTERING_ENABLED, network.Name()));
}
else
{
DeleteButton.Enabled = false;
tableLayoutInfo.Visible = true;
labelWarning.Text = string.Format(Messages.CANNOT_REMOVE_IP_WHEN_CLUSTERING_ON_NETWORK, network.Name());
}
}
}
}
