xenadmin/XenAdmin/XenSearch/Columns.cs

305 lines
13 KiB
C#

/* Copyright (c) Cloud Software Group, Inc.
*
* 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
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using System;
using System.Collections.Generic;
using System.Windows.Forms;
using XenAdmin.Commands;
using XenAdmin.Controls.CustomGridView;
using XenAdmin.Controls.XenSearch;
using XenAdmin.Core;
using XenAdmin.Model;
using XenAPI;
namespace XenAdmin.XenSearch
{
public class ColumnAccessors
{
private static Dictionary<ColumnNames, Column> columns = new Dictionary<ColumnNames, Column>();
static ColumnAccessors()
{
columns[ColumnNames.name] = new NameColumn();
columns[ColumnNames.cpu] = new BarGraphColumn(PropertyNames.cpuText, PropertyNames.cpuValue);
columns[ColumnNames.memory] = new BarGraphColumn(PropertyNames.memoryText, PropertyNames.memoryValue, PropertyNames.memoryRank, true);
columns[ColumnNames.disks] = new PropertyColumn(PropertyNames.diskText, true);
columns[ColumnNames.network] = new PropertyColumn(PropertyNames.networkText, true);
columns[ColumnNames.ha] = new PropertyColumn(PropertyNames.haText);
columns[ColumnNames.ip] = new PropertyColumn(PropertyNames.ip_address);
columns[ColumnNames.uptime] = new PropertyColumn(PropertyNames.uptime);
}
public static Column Get(ColumnNames c)
{
return columns[c];
}
}
public abstract class Column
{
protected readonly PropertyNames property;
private readonly bool checkTools;
protected Column(PropertyNames property, bool checkTools)
{
this.property = property;
this.checkTools = checkTools;
}
public PropertyNames SortBy { get { return property; } }
public abstract GridItemBase GetGridItem(IXenObject o);
protected static GridItemBase NewStringItem(object line)
{
return new GridStringItem(line, HorizontalAlignment.Center, VerticalAlignment.Middle, false, false, QueryPanel.TextBrush, Program.DefaultFont);
}
/// <remarks>
/// For Non-Windows VMs and for Windows VMs pre-Dundee:
/// - Memory, Disk and Network values are not available if XenServer Tools are not installed
///
/// For Windows VMs on Dundee or higher:
/// - Memory value is not available if the Management agent is not installed;
/// - Disk and Network vlaues are not available if I/O drivers are not installed
/// </remarks>
protected bool CheckVMTools(IXenObject o, out GridItemBase item)
{
item = null;
if (!checkTools)
return false;
VM vm = o as VM;
if (vm != null)
{
VM.VirtualizationStatus status = vm.GetVirtualizationStatus(out _);
if (vm.power_state != vm_power_state.Running ||
status.HasFlag(VM.VirtualizationStatus.IoDriversInstalled | VM.VirtualizationStatus.ManagementInstalled) ||
status.HasFlag(VM.VirtualizationStatus.Unknown))
return false;
if (property == PropertyNames.memoryValue && status.HasFlag(VM.VirtualizationStatus.ManagementInstalled))
return false;
if ((property == PropertyNames.diskText || property == PropertyNames.networkText) && status.HasFlag(VM.VirtualizationStatus.IoDriversInstalled))
return false;
string warningMessage;
int colSpan;
if (property == PropertyNames.memoryValue && !status.HasFlag(VM.VirtualizationStatus.ManagementInstalled))
{
if (vm.HasNewVirtualizationStates())
{
warningMessage = Messages.VIRTUALIZATION_STATE_VM_MANAGEMENT_AGENT_NOT_INSTALLED;
colSpan = 1;
}
else
{
warningMessage = vm.GetVirtualizationWarningMessages();
colSpan = 3;
}
item = new GridStringItem(warningMessage,
HorizontalAlignment.Center,
VerticalAlignment.Middle,
false,
false,
QueryPanel.TextBrush,
Program.DefaultFont,
colSpan);
}
if (property == PropertyNames.diskText && vm.HasNewVirtualizationStates() && !status.HasFlag(VM.VirtualizationStatus.IoDriversInstalled))
{
warningMessage = Messages.VIRTUALIZATION_STATE_VM_IO_NOT_OPTIMIZED;
colSpan = 2;
item = new GridStringItem(warningMessage,
HorizontalAlignment.Center,
VerticalAlignment.Middle,
false,
false,
QueryPanel.TextBrush,
Program.DefaultFont,
colSpan);
}
return true;
}
return false;
}
}
public class NameColumn : Column
{
public NameColumn()
: base(PropertyNames.label, false)
{
}
public override GridItemBase GetGridItem(IXenObject o)
{
if (o is Folder)
return new GridStringItem(new PropertyWrapper(PropertyNames.label, o), HorizontalAlignment.Left,
VerticalAlignment.Middle, true, true, QueryPanel.TextBrush, Program.DefaultFont,
QueryPanel.TextBrush, Program.DefaultFontUnderline,
delegate { Program.MainWindow.DoSearch(Search.SearchForFolder(o.opaque_ref)); }, null);
return new GridVerticalArrayItem(
new GridItemBase[] {
new GridStringItem(new PropertyWrapper(PropertyNames.label, o), HorizontalAlignment.Left,
VerticalAlignment.Middle, o != null, true, QueryPanel.TextBrush, Program.DefaultFont,
QueryPanel.TextBrush, Program.DefaultFontUnderline,
// Next argument used to be "if (ObjectInTreeView(o)) ? delegate() {...} : null".
// I moved the ObjectInTreeView inside the delegate because it's O(#nodes in tree)
// and so that we only have to check it at click time, not for each item put into
// the search results. (We no longer need to know at mouse-over time). See CA-29607.
delegate{ClickHandler(o); },
delegate(object gridItem, EventArgs e) {ContextMenuHandler((GridItemBase)gridItem, o);}),
new GridStringItem(new PropertyWrapper(PropertyNames.description, o), HorizontalAlignment.Left,
VerticalAlignment.Middle, false, false, QueryPanel.DarkGreyBrush, Program.DefaultFont)
}, false);
}
private void ContextMenuHandler(GridItemBase item, IXenObject o)
{
List<SelectedItem> selection = new List<SelectedItem>();
foreach (GridRow row in item.Row.GridView.RowsAndChildren)
{
if (row.Selected && row.Tag is IXenObject)
{
selection.Add(new SelectedItem((IXenObject)row.Tag));
}
}
if (selection.Count > 0)
{
ContextMenuStrip c = new ContextMenuStrip();
c.Items.AddRange(Program.MainWindow.ContextMenuBuilder.Build(selection));
c.Show(Form.MousePosition);
}
}
private void ClickHandler(IXenObject o)
{
if (Program.MainWindow.SelectObjectInTree(o) && Program.MainWindow.TheTabControl.TabPages.Contains(Program.MainWindow.TabPageGeneral))
{
Program.MainWindow.SwitchToTab(MainWindow.Tab.General);
}
}
}
public class PropertyColumn : Column
{
public PropertyColumn(PropertyNames property)
: this(property, false)
{
}
public PropertyColumn(PropertyNames property, bool checkTools)
: base(property, checkTools)
{
}
public override GridItemBase GetGridItem(IXenObject o)
{
if (o is Folder)
return NewStringItem(String.Empty); // CA-28300.5
GridItemBase item;
if (CheckVMTools(o, out item))
return item;
return NewStringItem(new PropertyWrapper(property, o));
}
}
public class BarGraphColumn : Column
{
private readonly PropertyNames textProperty;
private readonly PropertyNames rankProperty;
public BarGraphColumn(PropertyNames textProperty, PropertyNames intProperty)
: this(textProperty, intProperty, false)
{
}
public BarGraphColumn(PropertyNames textProperty, PropertyNames intProperty, bool checkTools)
: this(textProperty, intProperty, intProperty, false)
{
}
public BarGraphColumn(PropertyNames textProperty, PropertyNames valueProperty, PropertyNames rankProperty, bool checkTools)
: base(valueProperty, checkTools)
{
this.textProperty = textProperty;
this.rankProperty = rankProperty;
}
public override GridItemBase GetGridItem(IXenObject o)
{
if (o is Folder)
return NewStringItem(String.Empty); // CA-28300.5
GridItemBase item;
if (CheckVMTools(o, out item))
return item;
if (PropertyAccessors.Get(property)(o) == null)
return NewStringItem(new PropertyWrapper(textProperty, o));
return NewBarItem(
new PropertyWrapper(textProperty, o),
new ImageDelegate(delegate ()
{
int? i = (int?)PropertyAccessors.Get(rankProperty)(o);
if (i == null)
return null;
return Images.GetImageForPercentage(i.Value);
}));
}
private static GridItemBase NewBarItem(object line, ImageDelegate image)
{
return new GridVerticalArrayItem(
new GridItemBase[] {
new GridImageItem(line, image, HorizontalAlignment.Center, VerticalAlignment.Middle, false),
new GridStringItem(line, HorizontalAlignment.Center, VerticalAlignment.Middle, false, false, QueryPanel.TextBrush, Program.DefaultFont)
}, false);
}
}
}