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https://github.com/xcp-ng/xenadmin.git
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ee648135f6
PageLoaded override in derived classes, enforce it by wrapping the page specific code in a new virtual method, which the derived classes can override and PageLoaded can call after its own logic. Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
356 lines
13 KiB
C#
356 lines
13 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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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.ComponentModel;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows.Forms;
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using XenAdmin.Actions;
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using XenAdmin.Commands;
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using XenAdmin.Controls;
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using XenAdmin.Core;
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using XenAdmin.SettingsPanels;
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using XenAPI;
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namespace XenAdmin.Wizards.GenericPages
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{
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// This design for this class is in NewVMGroupVMsPageBase: see notes there.
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public class NewVMGroupVMsPage<T> : NewVMGroupVMsPageBase where T : XenObject<T>
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{
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private Pool _pool;
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public Pool Pool
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{
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get { return _pool; }
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set
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{
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_pool = value;
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if (_pool != null)
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label1.Text = string.Format(Helpers.IsPool(_pool.Connection) ? Messages.VMS_IN_POOL : Messages.VMS_IN_SERVER,
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_pool.Name().Ellipsise(60));
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label2.Text = VMGroup<T>.ChooseVMsPage_Rubric;
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dataGridView1.Columns["ColumnCurrentGroup"].HeaderText = VMGroup<T>.ChooseVMsPage_CurrentGroup;
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}
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}
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public NewVMGroupVMsPage()
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{
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SelectedVMs = new List<VM>();
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dataGridView1.SortCompare += dataGridView1_SortCompare;
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}
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public override string Text
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{
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get { return VMGroup<T>.ChooseVMsPage_Text; }
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}
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public override string SubText
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{
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get { return labelCounterVMs.Text; }
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}
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public override string HelpID
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{
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get { return VMGroup<T>.ChooseVMsPage_HelpID; }
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}
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public override Image Image
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{
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get { return Properties.Resources._000_VM_h32bit_16; }
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}
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public override string PageTitle
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{
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get { return VMGroup<T>.ChooseVMsPage_Title; }
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}
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[Browsable(false)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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internal List<VM> SelectedVMs { get; set; }
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public string GroupName { private get; set; }
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public List<XenRef<VM>> SelectedVMsRefs
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{
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get { return SelectedVMs.ConvertAll<XenRef<VM>>(converter); }
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}
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private static XenRef<VM> converter(VM vm)
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{
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return new XenRef<VM>(vm.opaque_ref);
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}
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protected override void searchTextBox1_TextChanged(object sender, System.EventArgs e)
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{
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if (Pool != null)
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{
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var sortedColumn = dataGridView1.SortedColumn;
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var sortOrder = dataGridView1.SortOrder;
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dataGridView1.Rows.Clear();
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foreach (var vm in Pool.Connection.Cache.VMs)
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{
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if (searchTextBox1.Matches(vm.Name()) && vm.is_a_real_vm() && vm.Show(Properties.Settings.Default.ShowHiddenVMs))
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dataGridView1.Rows.Add(new VMDataGridViewRow(SelectedVMs.Contains(vm), vm));
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}
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if (sortOrder != SortOrder.None && sortedColumn != null)
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dataGridView1.Sort(sortedColumn, (sortOrder == SortOrder.Ascending) ? ListSortDirection.Ascending : ListSortDirection.Descending);
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UpdateCounterLabelAndButtons();
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}
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}
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private void UpdateCounterLabelAndButtons()
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{
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labelCounterVMs.Text = SelectedVMs.Count == 1 ? Messages.ONE_VM_SELECTED : string.Format(Messages.MOREONE_VM_SELECTED, SelectedVMs.Count);
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buttonClearAll.Enabled = SelectedVMs.Count > 0;
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buttonSelectAll.Enabled = SelectedVMs.Count < dataGridView1.RowCount;
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}
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// How to sort the VMs in the grid view: CA-69817
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void dataGridView1_SortCompare(object sender, DataGridViewSortCompareEventArgs e)
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{
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e.Handled = false;
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bool sortByName = false;
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if (e.Column == ColumnCheckBox)
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{
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// Sort by check mark first, then by name
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int checked1 = (bool)e.CellValue1 ? 1 : 0;
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int checked2 = (bool)e.CellValue2 ? 1 : 0;
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if (checked1 != checked2)
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{
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e.SortResult = checked2 - checked1;
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e.Handled = true;
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}
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else
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sortByName = true;
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}
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if (e.Column == ColumnName || sortByName)
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{
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// In order to sort by name, we actually use the built-in VM sort.
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// This ensures we use the correct name sorting, and gives a consistent tie-breaker.
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VM vm1 = ((VMDataGridViewRow)dataGridView1.Rows[e.RowIndex1]).Vm;
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VM vm2 = ((VMDataGridViewRow)dataGridView1.Rows[e.RowIndex2]).Vm;
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e.SortResult = vm1.CompareTo(vm2);
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e.Handled = true;
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}
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// For any other column, we fall off the end of this function with e.Handled still false,
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// and let the framework handle it.
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}
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private class VMDataGridViewRow : DataGridViewRow
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{
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private DataGridViewCheckBoxCell _selectedCell = new DataGridViewCheckBoxCell();
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private DataGridViewTextBoxCell _nameCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell _descriptionCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell _currentGroupCell = new DataGridViewTextBoxCell();
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private DataGridViewTextBoxCell _quiesce_supported;
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public readonly VM Vm;
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public VMDataGridViewRow(bool selected, VM vm)
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{
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Vm = vm;
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Cells.Add(_selectedCell);
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Cells.Add(_nameCell);
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Cells.Add(_descriptionCell);
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Cells.Add(_currentGroupCell);
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if (VMGroup<T>.isQuescingSupported)
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{
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_quiesce_supported = new DataGridViewTextBoxCell();
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Cells.Add(_quiesce_supported);
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}
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Refresh(selected);
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}
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void Refresh(bool selected)
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{
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_selectedCell.Value = selected;
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_nameCell.Value = Vm.Name();
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_descriptionCell.Value = Vm.Description();
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T group = Vm.Connection.Resolve(VMGroup<T>.VmToGroup(Vm));
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_currentGroupCell.Value = group == null ? Messages.NONE : group.Name();
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if(VMGroup<T>.isQuescingSupported)
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{
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if (Vm.allowed_operations.Contains((vm_operations.snapshot_with_quiesce)) && !Helpers.FeatureForbidden(Vm, Host.RestrictVss))
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{
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_quiesce_supported.Value = Messages.YES;
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}
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else
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{
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_quiesce_supported.Value = Messages.NO;
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}
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}
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}
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}
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protected override void PageLoadedCore(PageLoadedDirection direction)
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{
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RefreshTab(null);
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}
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private T _group = null;
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private void RefreshTab(T group)
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{
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ColumnQuiesceSupported.Visible = VMGroup<T>.isQuescingSupported;
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_group = group;
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if (Pool != null)
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{
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dataGridView1.Rows.Clear();
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foreach (var vm in Pool.Connection.Cache.VMs)
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{
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int index = 0;
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if (vm.is_a_real_vm() && vm.Show(Properties.Settings.Default.ShowHiddenVMs))
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{
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bool selected = group != null && VMGroup<T>.GroupToVMs(group).Contains(new XenRef<VM>(vm.opaque_ref));
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index = dataGridView1.Rows.Add(new VMDataGridViewRow(selected, vm));
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if (SelectedVMs.Contains(vm))
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dataGridView1.Rows[index].Cells[0].Value = true;
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else if (selected && !SelectedVMs.Contains(vm))
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SelectedVMs.Add(vm);
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}
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}
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dataGridView1.Sort(ColumnCheckBox, ListSortDirection.Ascending);
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dataGridView1.AutoResizeColumns();
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}
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UpdateCounterLabelAndButtons();
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}
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protected override void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
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{
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if (e.ColumnIndex == 0 && e.RowIndex >= 0)
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{
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dataGridView1.Rows[e.RowIndex].Cells[0].Value = !(bool)dataGridView1.Rows[e.RowIndex].Cells[0].Value;
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}
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}
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protected override void dataGridView1_CellValueChanged(object sender, DataGridViewCellEventArgs e)
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{
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if (e.ColumnIndex != 0 || e.RowIndex < 0 && e.RowIndex >= dataGridView1.RowCount)
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return;
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var row = dataGridView1.Rows[e.RowIndex] as VMDataGridViewRow;
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if (row != null)
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{
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if ((bool)row.Cells[0].Value)
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{
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if (!SelectedVMs.Contains(row.Vm))
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SelectedVMs.Add(row.Vm);
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}
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else
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SelectedVMs.Remove(row.Vm);
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}
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UpdateCounterLabelAndButtons();
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}
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protected override void dataGridView1_RowStateChanged(object sender, DataGridViewRowStateChangedEventArgs e)
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{
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if ((e.Row.State & DataGridViewElementStates.Selected) != 0)
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e.Row.Selected = false;
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}
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protected override void PageLeaveCore(PageLoadedDirection direction, ref bool cancel)
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{
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if (direction == PageLoadedDirection.Back)
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return;
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if (!userAcceptsWarning())
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cancel = true;
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}
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private bool userAcceptsWarning()
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{
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string groupName = _group != null ? _group.Name() : GroupName;
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return AssignGroupToolStripMenuItem<T>.AssignGroupToVMCommand.ChangesOK(SelectedVMs, _group, groupName);
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}
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protected override void buttonClearAll_Click(object sender, EventArgs e)
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{
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foreach (DataGridViewRow dataGridViewRow in dataGridView1.Rows)
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{
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dataGridViewRow.Cells[0].Value = false;
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}
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}
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protected override void buttonSelectAll_Click(object sender, EventArgs e)
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{
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foreach (DataGridViewRow dataGridViewRow in dataGridView1.Rows)
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{
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dataGridViewRow.Cells[0].Value = true;
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}
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}
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#region IEditPage implementation
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public override AsyncAction SaveSettings()
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{
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return VMGroup<T>.AssignVMsToGroupAction(_clone, SelectedVMsRefs, true);
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}
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private T _clone;
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public override void SetXenObjects(IXenObject orig, IXenObject clone)
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{
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_clone = (T)clone;
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Pool = Helpers.GetPoolOfOne(_clone.Connection);
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RefreshTab(_clone);
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}
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public override bool ValidToSave
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{
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get { return userAcceptsWarning(); }
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}
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public override void ShowLocalValidationMessages()
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{
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}
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public override void Cleanup()
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{
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dataGridView1.Rows.Clear();
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}
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public override bool HasChanged
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{
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get
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{
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return (!Helpers.CompareLists(SelectedVMsRefs, VMGroup<T>.GroupToVMs(_clone)));
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}
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}
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#endregion
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}
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}
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