xenadmin/XenAdmin/Controls/ComboBoxes/VgpuComboBox.cs
Konstantina Chremmou ae22560ce8 Converted all extension get properties of the API classes to methods in order to
prevent them from being serialised alongside the API properties. This will also
be useful for moving the API bindings out of XenModel.

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
2017-09-03 03:35:30 +01:00

216 lines
7.7 KiB
C#

/* 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,
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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using System;
using System.Windows.Forms;
using XenAdmin.Core;
using System.Drawing;
using System.Linq;
using XenAPI;
namespace XenAdmin.Controls
{
public class VgpuComboBox : NonSelectableComboBox
{
public VgpuComboBox()
{
DrawMode = DrawMode.OwnerDrawVariable;
DropDownStyle = ComboBoxStyle.DropDownList;
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
if (e.Index > -1)
{
e.DrawBackground();
GpuTuple obj = Items[e.Index] as GpuTuple;
if (obj == null)
return;
if (IsHeaderItem(obj))
{
Drawing.DrawText(e.Graphics, obj.ToString(), Program.DefaultFontBold,
e.Bounds, SystemColors.ControlText,
TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis);
}
else if (obj.IsNotEnabledVgpu)
{
string text = (obj.IsVgpuSubitem ? " " : string.Empty) + obj;
Drawing.DrawText(e.Graphics, text, Program.DefaultFont,
e.Bounds, Color.DarkGray,
TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis);
}
else
{
var textColor = e.ForeColor;
if ((e.State & DrawItemState.Disabled) != 0)
textColor = SystemColors.GrayText;
string indentedText = obj.ToString();
if (obj.IsVgpuSubitem)
indentedText = " " + obj;
Drawing.DrawText(e.Graphics, indentedText, Program.DefaultFont,
e.Bounds, textColor,
TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis);
e.DrawFocusRectangle();
}
}
base.OnDrawItem(e);
}
protected bool IsHeaderItem(object obj)
{
var tuple = obj as GpuTuple;
return tuple != null && tuple.IsGpuHeaderItem;
}
protected override bool IsItemNonSelectable(object obj)
{
var tuple = obj as GpuTuple;
return tuple != null && (tuple.IsGpuHeaderItem || tuple.IsNotEnabledVgpu);
}
}
internal class GpuTuple : IEquatable<GpuTuple>
{
public readonly GPU_group GpuGroup;
public readonly VGPU_type[] VgpuTypes;
public readonly bool IsGpuHeaderItem;
public readonly bool IsVgpuSubitem;
public readonly bool IsFractionalVgpu;
public readonly bool IsNotEnabledVgpu;
private string displayName = string.Empty;
/// <summary>
/// Create a GpuTuple that refers to a vGPU type which is a subitem of a GPU group
/// </summary>
public GpuTuple(GPU_group gpuGroup, VGPU_type vgpuType, VGPU_type[] disabledVGpuTypes)
{
GpuGroup = gpuGroup;
VgpuTypes = vgpuType == null ? null : new[] {vgpuType};
if (vgpuType != null)
{
IsVgpuSubitem = gpuGroup.HasVGpu();
IsFractionalVgpu = !vgpuType.IsPassthrough();
if (disabledVGpuTypes != null && disabledVGpuTypes.Select(t => t.opaque_ref).Contains(vgpuType.opaque_ref))
IsNotEnabledVgpu = true;
}
UpdateDisplayName();
}
/// <summary>
/// Create a GpuTuple that refers to a GPU group head item, which is also non-selectable
/// </summary>
public GpuTuple(GPU_group gpuGroup, VGPU_type[] vgpuTypes)
{
GpuGroup = gpuGroup;
VgpuTypes = vgpuTypes;
IsGpuHeaderItem = true;
UpdateDisplayName();
}
private void UpdateDisplayName()
{
if (GpuGroup == null)
{
//this refers to the item "None"
displayName = Messages.GPU_NONE;
}
else if (VgpuTypes == null || VgpuTypes.Length == 0 || VgpuTypes[0] == null)
{
//this refers to an item mapping a GPU with only passthrough type
displayName = GpuGroup.Name();
}
else if (IsVgpuSubitem)
{
//this refers to vGPU type which is a subitem of a GPU group
displayName = VgpuTypes[0].Description();
}
else
{
//this refers to a GPU group head item, which is also non-selectable
displayName = GpuGroup.Name();
}
}
public bool Equals(GpuTuple other)
{
if (other == null)
return false;
if (GpuGroup == null && other.GpuGroup == null)
return true;
if (GpuGroup == null || other.GpuGroup == null)
return false;
bool result = GpuGroup.Equals(other.GpuGroup);
if (result)
{
if ((VgpuTypes == null || VgpuTypes.Length == 0) &&
(other.VgpuTypes == null || other.VgpuTypes.Length == 0))
return true;
if ((VgpuTypes == null || VgpuTypes.Length == 0) ||
(other.VgpuTypes == null || other.VgpuTypes.Length == 0))
return false;
if (VgpuTypes.Length != other.VgpuTypes.Length)
return false;
for (int i = 0; i < VgpuTypes.Length; i++)
{
if (!VgpuTypes[i].Equals(other.VgpuTypes[i]))
return false;
}
if ((IsGpuHeaderItem && other.IsVgpuSubitem) ||
(IsVgpuSubitem && other.IsGpuHeaderItem))
return false;
}
return result;
}
public override string ToString()
{
return displayName;
}
}
}