xenadmin/XenAdmin/Controls/Ballooning/VMMemoryControlsNoEdit.cs

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/* Copyright (c) Citrix Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Windows.Forms;
using XenAdmin.Dialogs;
using XenAdmin.Wizards;
using XenAPI;
namespace XenAdmin.Controls.Ballooning
{
public partial class VMMemoryControlsNoEdit : VMMemoryControlsBase
{
public VMMemoryControlsNoEdit()
{
InitializeComponent();
}
public override List<VM> VMs
{
set
{
base.VMs = value;
foreach (VM vm in vms)
vm.PropertyChanged += vm_PropertyChanged;
foreach (VM_metrics metrics in vm_metrics)
{
if (metrics != null)
metrics.PropertyChanged += vm_metrics_PropertyChanged;
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
if (vms == null || vms.Count == 0)
return;
// Edit button: don't show if one of the VMs has just been rebooted, because we don't accurately
// know what its capabilities are in that case (cf CA-31051). Also suspended VMs can't be edited.
// So "good" VMs are ones which are halted, or running with known virtualisation status.
editButton.Visible =
(null == vms.Find(vm => !(vm.power_state == vm_power_state.Halted ||
vm.power_state == vm_power_state.Running && !vm.GetVirtualisationStatus().HasFlag(XenAPI.VM.VirtualisationStatus.UNKNOWN))));
// Shiny bar
vmShinyBar.Initialize(vm0, vms.Count > 1, CalcMemoryUsed(), false);
// Spinners
bool ballooning = vm0.has_ballooning();
if (ballooning)
{
valueDynMin.Text = Util.MemorySizeStringSuitableUnits(vm0.memory_dynamic_min, true);
valueDynMax.Text = Util.MemorySizeStringSuitableUnits(vm0.memory_dynamic_max, true);
if (vm0.memory_dynamic_max == vm0.memory_static_max)
labelStatMax.Visible = valueStatMax.Visible = false;
else
valueStatMax.Text = Util.MemorySizeStringSuitableUnits(vm0.memory_static_max, true);
}
else
{
valueDynMin.Text = Util.MemorySizeStringSuitableUnits(vm0.memory_static_max, true);
iconBoxDynMin.Visible = false;
labelDynMin.Text = Messages.MEMORY;
iconBoxDynMax.Visible = labelDynMax.Visible = valueDynMax.Visible = false;
labelStatMax.Visible = valueStatMax.Visible = false;
}
}
void vm_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "power_state" || e.PropertyName == "virtualisation_status" || e.PropertyName == "name_label")
Program.Invoke(this,Refresh);
}
void vm_metrics_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "memory_actual")
Refresh();
}
private void editButton_Click(object sender, EventArgs e)
{
if (vms.Count == 1)
new BallooningDialog(vm0, vm0.advanced_ballooning()).ShowDialog(Program.MainWindow);
else
Program.MainWindow.ShowPerConnectionWizard(vm0.Connection, new BallooningWizard(vms));
}
internal void UnregisterHandlers()
{
if (vms == null)
return;
foreach (var vm in vms)
vm.PropertyChanged -= vm_PropertyChanged;
foreach (var metrics in vm_metrics.Where(m => m != null))
metrics.PropertyChanged -= vm_metrics_PropertyChanged;
}
}
}