mirror of
https://github.com/xcp-ng/xenadmin.git
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480 lines
17 KiB
C#
Executable File
480 lines
17 KiB
C#
Executable File
/* Copyright (c) Cloud Software Group, Inc.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Windows.Forms;
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using System.Drawing;
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using XenAdmin.Core;
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using XenAdmin.Network;
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using XenAPI;
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using XenAdmin.Commands;
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using XenAdmin.Dialogs;
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using XenAdmin.Controls.DataGridViewEx;
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using XenCenterLib;
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namespace XenAdmin.TabPages
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{
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public partial class PhysicalStoragePage : BaseTabPage
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{
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private IXenConnection connection;
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private Host host;
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private bool NeedBuildList;
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private SelectionManager selectionManager;
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private bool showTrimButton;
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public PhysicalStoragePage()
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{
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InitializeComponent();
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base.Text = Messages.STORAGE_TAB_TITLE;
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PBD_CollectionChangedWithInvoke=Program.ProgramInvokeHandler(PBD_CollectionChanged);
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trimButton.Command = new TrimSRCommand();
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newSRButton.Command = new NewSRCommand();
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}
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public override string HelpID => "TabPageStorage";
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/// <summary>
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/// Make sure you set this before you set the connection,
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/// as the connection is the one which rebuilds the list
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/// </summary>
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public Host Host
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{
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set
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{
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if (host != null)
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{
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host.PropertyChanged -= host_PropertyChanged;
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}
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host = value;
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if (host != null)
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{
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host.PropertyChanged += host_PropertyChanged;
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}
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}
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}
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private readonly CollectionChangeEventHandler PBD_CollectionChangedWithInvoke;
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public IXenConnection Connection
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{
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set
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{
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UnregisterHandlers();
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connection = value;
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if (connection != null)
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{
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connection.Cache.RegisterCollectionChanged<PBD>(PBD_CollectionChangedWithInvoke);
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connection.XenObjectsUpdated += XenObjectUpdated;
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Pool pool = Helpers.GetPoolOfOne(connection);
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if (pool != null)
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pool.PropertyChanged += pool_PropertyChanged;
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}
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RefreshTrimButton();
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BuildList();
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}
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}
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internal void SetSelectionBroadcaster(SelectionBroadcaster selectionBroadcaster, IMainWindow mainWindow)
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{
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selectionBroadcaster.BindTo(newSRButton, mainWindow);
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}
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private void contextMenuStrip_Opening(object sender, CancelEventArgs e)
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{
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if (dataGridViewSr.SelectedRows.Count != 1)
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{
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e.Cancel = true;
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return;
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}
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contextMenuStrip.Items.Clear();
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var row = dataGridViewSr.SelectedRows[0] as SRRow;
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if (row != null)
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{
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contextMenuStrip.Items.AddRange(Program.MainWindow.ContextMenuBuilder.Build(row.SR));
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}
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}
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private void XenObjectUpdated(object sender, EventArgs e)
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{
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if (NeedBuildList)
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{
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BuildList();
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}
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}
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private void PBD_CollectionChanged(object sender, CollectionChangeEventArgs e)
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{
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Program.AssertOnEventThread();
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NeedBuildList = true;
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BuildList();
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}
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private void pool_PropertyChanged(object sender1, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == "default_SR")
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NeedBuildList = true;
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}
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private void host_PropertyChanged(object sender1, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == "PBDs")
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NeedBuildList = true;
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}
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private void sr_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == "PBDs")
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{
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NeedBuildList = true;
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}
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else
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{
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Program.Invoke(Program.MainWindow, () => RefreshItem(sender as SR));
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}
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}
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private void RefreshItem(SR sr=null)
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{
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if (sr == null)
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return;
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foreach (DataGridViewRow row in dataGridViewSr.Rows)
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{
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var srRow = row as SRRow;
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if (srRow != null && sr.Equals(srRow.SR))
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{
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srRow.UpdateDetails();
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break;
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}
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}
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}
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private void UnregisterHandlers()
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{
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if (connection == null)
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return;
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connection.Cache.DeregisterCollectionChanged<PBD>(PBD_CollectionChangedWithInvoke);
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connection.XenObjectsUpdated -= XenObjectUpdated;
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foreach (SR sr in connection.Cache.SRs)
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{
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sr.PropertyChanged -= sr_PropertyChanged;
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}
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Pool pool = Helpers.GetPoolOfOne(connection);
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if (pool != null)
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pool.PropertyChanged -= pool_PropertyChanged;
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}
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public override void PageHidden()
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{
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UnregisterHandlers();
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}
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private void BuildList()
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{
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if (!this.Visible)
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return;
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int selectedIndex = dataGridViewSr.SelectedRows.Count == 1 ? dataGridViewSr.SelectedRows[0].Index : -1;
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dataGridViewSr.SuspendLayout();
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try
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{
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dataGridViewSr.Rows.Clear();
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if (connection == null)
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return;
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List<PBD> pbds = host != null ? new List<PBD>(connection.ResolveAll(host.PBDs))
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: new List<PBD>(connection.Cache.PBDs);
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List<String> srs = new List<String>();
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foreach (PBD pbd in pbds)
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{
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SR sr = pbd.Connection.Resolve(pbd.SR);
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if (sr == null || sr.IsToolsSR() || !sr.Show(Properties.Settings.Default.ShowHiddenVMs))
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continue;
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// From MSDN:
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// Returns the zero-based index of item in the sorted List<T>, if item is found;
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// otherwise, a negative number that is the bitwise complement of the index of
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// the next element that is larger than item or, if there is no larger element,
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// the bitwise complement of Count.
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int index = srs.BinarySearch(sr.opaque_ref);
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// Don't allow duplicates
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if (index >= 0)
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continue;
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sr.PropertyChanged -= sr_PropertyChanged;
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sr.PropertyChanged += sr_PropertyChanged;
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index = ~index;
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srs.Insert(index, sr.opaque_ref);
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SRRow row = new SRRow(sr);
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dataGridViewSr.Rows.Add(row);
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}
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if (selectedIndex >= 0 && selectedIndex < dataGridViewSr.Rows.Count)
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{
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// Select previously selected item
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dataGridViewSr.Rows[selectedIndex].Selected = true;
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}
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else
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{
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// Select first item
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if (dataGridViewSr.Rows.Count > 0)
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dataGridViewSr.Rows[0].Selected = true;
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}
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}
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finally
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{
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dataGridViewSr.ResumeLayout();
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}
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RefreshButtons();
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NeedBuildList = false;
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}
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private void dataGridViewSr_MouseUp(object sender, MouseEventArgs e)
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{
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DataGridView.HitTestInfo hitTestInfo = dataGridViewSr.HitTest(e.X, e.Y);
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if (hitTestInfo.Type == DataGridViewHitTestType.None)
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{
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dataGridViewSr.ClearSelection();
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}
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else if (hitTestInfo.Type == DataGridViewHitTestType.Cell && e.Button == MouseButtons.Right
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&& 0 <= hitTestInfo.RowIndex && hitTestInfo.RowIndex < dataGridViewSr.Rows.Count
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&& !dataGridViewSr.Rows[hitTestInfo.RowIndex].Selected)
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{
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if (dataGridViewSr.CurrentCell == dataGridViewSr[hitTestInfo.ColumnIndex, hitTestInfo.RowIndex])
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dataGridViewSr.Rows[hitTestInfo.RowIndex].Selected = true;
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else
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dataGridViewSr.CurrentCell = dataGridViewSr[hitTestInfo.ColumnIndex, hitTestInfo.RowIndex];
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}
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if ((hitTestInfo.Type == DataGridViewHitTestType.None || hitTestInfo.Type == DataGridViewHitTestType.Cell)
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&& e.Button == MouseButtons.Right)
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{
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contextMenuStrip.Show(dataGridViewSr, new Point(e.X, e.Y));
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}
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}
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private void dataGridViewSr_SortCompare(object sender, DataGridViewSortCompareEventArgs e)
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{
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var sr1 = ((SRRow)dataGridViewSr.Rows[e.RowIndex1]).SR;
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var sr2 = ((SRRow)dataGridViewSr.Rows[e.RowIndex2]).SR;
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string sr1CompStr = null;
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string sr2CompStr = null;
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if (e.Column.Index == columnUsage.Index)
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{
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int percent1 = sr1.physical_size == 0 ? 0 : (int)(100.0 * sr1.physical_utilisation / (double)sr1.physical_size);
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int percent2 = sr2.physical_size == 0 ? 0 : (int)(100.0 * sr2.physical_utilisation / (double)sr2.physical_size);
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long diff = percent1 - percent2;
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e.SortResult = diff > 0 ? 1 : diff < 0 ? -1 : 0;
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e.Handled = true;
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return;
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}
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else if (e.Column.Index == columnSize.Index)
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{
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long diff = sr1.physical_size - sr2.physical_size;
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e.SortResult = diff > 0 ? 1 : diff < 0 ? -1 : 0;
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e.Handled = true;
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return;
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}
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else if (e.Column.Index == columnVirtAlloc.Index)
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{
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long diff = sr1.virtual_allocation - sr2.virtual_allocation;
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e.SortResult = diff > 0 ? 1 : diff < 0 ? -1 : 0;
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e.Handled = true;
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return;
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}
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else if (e.Column.Index == columnName.Index)
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{
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sr1CompStr = sr1.Name();
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sr2CompStr = sr2.Name();
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}
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else if (e.Column.Index == columnDescription.Index)
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{
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sr1CompStr = sr1.Description();
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sr2CompStr = sr2.Description();
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}
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if (sr1CompStr != null && sr2CompStr != null)
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{
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var descCompare = StringUtility.NaturalCompare(sr1CompStr, sr2CompStr);
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if (descCompare != 0)
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{
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e.SortResult = descCompare;
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}
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else
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{
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var refCompare = string.Compare(sr1.opaque_ref, sr2.opaque_ref, StringComparison.Ordinal);
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e.SortResult = refCompare;
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}
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e.Handled = true;
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}
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}
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private void buttonProperties_Click(object sender, EventArgs e)
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{
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if (dataGridViewSr.SelectedRows.Count != 1)
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return;
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var srRow = dataGridViewSr.SelectedRows[0] as SRRow;
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if (srRow != null)
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{
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SR sr = srRow.SR;
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new PropertiesDialog(sr).ShowDialog(this);
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}
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}
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void dataGridViewSrs_SelectedIndexChanged(object sender, EventArgs e)
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{
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RefreshButtons();
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if (showTrimButton)
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{
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List<SelectedItem> selectedSRs = (from SRRow row in dataGridViewSr.SelectedRows select new SelectedItem(row.SR)).ToList();
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selectionManager.SetSelection(selectedSRs);
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}
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}
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private void RefreshButtons()
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{
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buttonProperties.Enabled = dataGridViewSr.SelectedRows.Count == 1;
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}
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private void RefreshTrimButton()
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{
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showTrimButton = connection != null;
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if (showTrimButton)
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{
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trimButtonContainer.Visible = true;
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if (selectionManager == null)
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selectionManager = new SelectionManager();
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selectionManager.BindTo(trimButton, Program.MainWindow);
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}
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else
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{
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trimButtonContainer.Visible = false;
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trimButton.SelectionBroadcaster = null;
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}
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}
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protected class SRRow: DataGridViewRow
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{
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private SR sr;
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public SR SR { get { return sr; } }
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private DataGridViewExImageCell imageCell = new DataGridViewExImageCell();
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private DataGridViewTextBoxCell nameCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell descriptionCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell typeCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell sharedCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell usageCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell sizeCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell virtAllocCell = new DataGridViewTextBoxCell();
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public SRRow(SR sr)
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{
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this.sr = sr;
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Cells.AddRange(imageCell,
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nameCell,
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descriptionCell,
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typeCell,
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sharedCell,
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usageCell,
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sizeCell,
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virtAllocCell);
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sr.PropertyChanged += sr_PropertyChanged;
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UpdateDetails();
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}
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public void UpdateDetails()
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{
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if (this.sr != null)
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{
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// Work out percent usage
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int percent = 0;
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double ratio = 0;
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if (this.sr.physical_size > 0)
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{
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ratio = this.sr.physical_utilisation / (double)this.sr.physical_size;
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percent = (int)(100.0 * ratio);
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}
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string percentString = string.Format(Messages.DISK_PERCENT_USED, percent, Util.DiskSizeString(this.sr.physical_utilisation));
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imageCell.Value = Images.GetImage16For(Images.GetIconFor(this.sr));
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nameCell.Value = this.sr.Name();
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descriptionCell.Value = this.sr.Description();
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typeCell.Value = this.sr.FriendlyTypeName();
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sharedCell.Value = this.sr.shared ? Messages.YES : Messages.NO;
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usageCell.Value = percentString;
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sizeCell.Value = Util.DiskSizeString(this.sr.physical_size);
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virtAllocCell.Value = Util.DiskSizeString(this.sr.virtual_allocation);
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}
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}
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void sr_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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Program.Invoke(Program.MainWindow, UpdateDetails);
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}
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}
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}
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}
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