mirror of
https://github.com/xcp-ng/xenadmin.git
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299 lines
11 KiB
C#
299 lines
11 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.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Text;
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using System.Windows.Forms;
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using XenAPI;
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using XenAdmin.Core;
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namespace XenAdmin.Dialogs
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{
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public partial class ConfirmVMDeleteDialog : XenDialogBase
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{
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private const int MINIMUM_COL_WIDTH = 50;
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public ConfirmVMDeleteDialog(IEnumerable<VM> vms)
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{
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Util.ThrowIfParameterNull(vms, "vms");
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InitializeComponent();
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pictureBox1.Image = SystemIcons.Warning.ToBitmap();
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HelpButton = true;
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// We have to set the header text again here because they're in base64
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// encoding in the resx, so can't be easily localised: see CA-43371.
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listView.Groups["listViewGroupAttachedDisks"].Header = Messages.ATTACHED_VIRTUAL_DISKS;
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listView.Groups["listViewGroupSnapshots"].Header = Messages.SNAPSHOTS;
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List<VM> vmList = new List<VM>(vms);
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if (vmList.Count == 1)
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{
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String type = vmList[0].is_a_template ? Messages.TEMPLATE : Messages.VM;
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Text = String.Format(Messages.CONFIRM_DELETE_TITLE, type);
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}
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else
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{
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Text = Messages.CONFIRM_DELETE_ITEMS_TITLE;
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}
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List<VDI> sharedVDIsCouldBeDelete=new List<VDI>();
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foreach (VM vm in vmList)
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{
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foreach (VBD vbd in vm.Connection.ResolveAll(vm.VBDs))
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{
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if (!vbd.IsCDROM)
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{
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VDI vdi = vbd.Connection.Resolve(vbd.VDI);
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if (vdi != null)
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{
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IList<VM> VMsUsingVDI = vdi.GetVMs();
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bool allTheVMsAreDeleted = true;
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if (VMsUsingVDI.Count > 1)
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{
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foreach (VM vmUsingVdi in VMsUsingVDI)
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{
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if (!vmList.Contains(vmUsingVdi))
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{
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allTheVMsAreDeleted = false;
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break;
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}
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}
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if (allTheVMsAreDeleted&&!sharedVDIsCouldBeDelete.Contains(vdi))
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{
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sharedVDIsCouldBeDelete.Add(vdi);
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}
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}
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else
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{
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ListViewItem item = new ListViewItem();
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item.Text = vdi.Name;
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item.SubItems.Add(vm.Name);
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item.Group = listView.Groups["listViewGroupAttachedDisks"];
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item.Tag = vbd;
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item.Checked = vbd.IsOwner;
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foreach (ListViewItem.ListViewSubItem subitem in item.SubItems)
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subitem.Tag = subitem.Text;
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listView.Items.Add(item);
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}
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}
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}
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}
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foreach (VM snapshot in vm.Connection.ResolveAll(vm.snapshots))
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{
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ListViewItem item = new ListViewItem();
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item.Text = snapshot.Name;
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item.SubItems.Add(vm.Name);
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item.Tag = snapshot;
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item.Group = listView.Groups["listViewGroupSnapshots"];
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foreach (ListViewItem.ListViewSubItem subitem in item.SubItems)
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subitem.Tag = subitem.Text;
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listView.Items.Add(item);
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}
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}
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foreach (VDI vdi in sharedVDIsCouldBeDelete)
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{
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ListViewItem item = new ListViewItem();
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item.Text = vdi.Name;
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item.SubItems.Add(vdi.VMsOfVDI);
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item.Group = listView.Groups["listViewGroupAttachedDisks"];
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item.Tag = vdi.Connection.ResolveAll(vdi.VBDs);
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item.Checked = false;
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foreach (ListViewItem.ListViewSubItem subitem in item.SubItems)
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subitem.Tag = subitem.Text;
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listView.Items.Add(item);
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}
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EnableSelectAllClear();
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EllipsizeStrings();
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}
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public ConfirmVMDeleteDialog(VM vm)
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: this(new VM[] { vm })
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{
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}
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public List<VBD> DeleteDisks
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{
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get
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{
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List<VBD> vbds = new List<VBD>();
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foreach (ListViewItem item in listView.CheckedItems)
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{
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VBD vbd = item.Tag as VBD;
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if (vbd != null)
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vbds.Add(vbd);
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List<VBD> vbdsList = item.Tag as List<VBD>;
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if (vbdsList != null)
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vbds.AddRange(vbdsList);
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}
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return vbds;
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}
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}
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public List<VM> DeleteSnapshots
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{
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get
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{
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List<VM> snapshots = new List<VM>();
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foreach (ListViewItem item in listView.CheckedItems)
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{
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VM snapshot = item.Tag as VM;
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if (snapshot != null)
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snapshots.Add(snapshot);
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}
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return snapshots;
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}
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}
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private void EllipsizeStrings()
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{
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foreach (ColumnHeader col in listView.Columns)
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EllipsizeStrings(col.Index);
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}
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private void EllipsizeStrings(int columnIndex)
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{
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foreach (ListViewItem item in listView.Items)
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{
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if (columnIndex < 0 || columnIndex >= item.SubItems.Count)
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continue;
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var subItem = item.SubItems[columnIndex];
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string wholeText = subItem.Tag as string;
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if (wholeText == null)
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continue;
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var rec = new Rectangle(subItem.Bounds.Left, subItem.Bounds.Top,
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listView.Columns[columnIndex].Width, subItem.Bounds.Height);
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subItem.Text = wholeText.Ellipsise(rec, subItem.Font);
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listView.Invalidate(rec);
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}
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}
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private void buttonSelectAll_Click(object sender, EventArgs e)
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{
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foreach (ListViewItem item in listView.Items)
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{
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item.Checked = true;
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}
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}
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private void buttonClear_Click(object sender, EventArgs e)
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{
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foreach (ListViewItem item in listView.Items)
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{
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item.Checked = false;
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}
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}
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private void EnableSelectAllClear()
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{
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bool allChecked = true;
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bool allUnChecked = true;
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foreach (ListViewItem item in listView.Items)
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{
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if (item.Checked)
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allUnChecked = false;
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else
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allChecked = false;
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}
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buttonSelectAll.Enabled = !allChecked;
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buttonClear.Enabled = !allUnChecked;
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}
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private void listView_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
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{
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if (e.ColumnIndex < 0 || e.ColumnIndex >= listView.Columns.Count)
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return;
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if (e.NewWidth < MINIMUM_COL_WIDTH)
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{
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e.NewWidth = MINIMUM_COL_WIDTH;
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e.Cancel = true;
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}
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}
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private void listView_ColumnWidthChanged(object sender, ColumnWidthChangedEventArgs e)
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{
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EllipsizeStrings(e.ColumnIndex);
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}
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private void listView_ItemChecked(object sender, ItemCheckedEventArgs e)
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{
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EnableSelectAllClear();
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}
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private class ListViewDeleteDialog:ListView
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{
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private bool _b = false;
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private string _msg = Messages.EMPTY_LIST_DISK_SNAPSHOTS;
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protected override void WndProc(ref System.Windows.Forms.Message m)
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{
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base.WndProc(ref m);
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if (m.Msg == 20)
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{
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if (Items.Count == 0)
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{
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_b = true;
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using (Graphics g = CreateGraphics())
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{
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int w = (Width - g.MeasureString(_msg, Font).ToSize().Width) / 2;
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g.DrawString(_msg, Font, SystemBrushes.ControlText, w, 30);
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}
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}
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else
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{
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if (_b)
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{
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Invalidate();
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_b = false;
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}
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}
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}
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if (m.Msg == 4127)
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Invalidate();
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}
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}
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}
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} |