/* 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, * 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 * SUCH DAMAGE. */ using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Drawing.Drawing2D; using System.IO; using System.Text; using System.Windows.Forms; using XenAdmin.Actions; using XenAdmin.Controls; using XenAdmin.CustomFields; using XenAdmin.Dialogs; using XenAdmin.Model; using XenAPI; using System.Diagnostics; using XenAdmin.Properties; using XenAdmin.Core; using XenAdmin.Commands; namespace XenAdmin.TabPages { public sealed partial class SnapshotsPage : BaseTabPage { private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); private VM m_VM = null; private bool m_NeedToUpdate = false; private float defaultWidthProperties; private readonly ToolTip toolTipDescriptionLabel = new ToolTip(); private readonly ToolTip toolTipFolderLabel = new ToolTip(); private readonly ToolTip toolTipTagsLabel = new ToolTip(); private enum SnapshotsView { ListView, TreeView } private Dictionary _storedViewsPerVm = new Dictionary(); public SnapshotsPage() { InitializeComponent(); viewToolStripMenuItem.DropDown = contextMenuStripView; this.DoubleBuffered = true; base.Text = Messages.SNAPSHOTS_PAGE_TITLE; dataGridView.TabIndex = snapshotTreeView.TabIndex; dataGridView.Sorted += DataGridView_Sorted; columnCreated.DefaultCellStyle.Format = Messages.DATEFORMAT_DMY_HMS; columnCreated.ValueType = typeof(DateTime); ConnectionsManager.History.CollectionChanged += History_CollectionChanged; } void DataGridView_Sorted(object sender, EventArgs e) { if (dataGridView.SortedColumn.Index == columnType.Index) { sortByTypeToolStripMenuItem.Checked = true; sortByNameToolStripMenuItem.Checked = false; sortByCreatedOnToolStripMenuItem.Checked = false; sortBySizeToolStripMenuItem.Checked = false; } else if (dataGridView.SortedColumn.Index == columnName.Index) { sortByTypeToolStripMenuItem.Checked = false; sortByNameToolStripMenuItem.Checked = true; sortByCreatedOnToolStripMenuItem.Checked = false; sortBySizeToolStripMenuItem.Checked = false; } else if (dataGridView.SortedColumn.Index == columnCreated.Index) { sortByTypeToolStripMenuItem.Checked = false; sortByNameToolStripMenuItem.Checked = false; sortByCreatedOnToolStripMenuItem.Checked = true; sortBySizeToolStripMenuItem.Checked = false; } else if (dataGridView.SortedColumn.Index == columnSize.Index) { sortByTypeToolStripMenuItem.Checked = false; sortByNameToolStripMenuItem.Checked = false; sortByCreatedOnToolStripMenuItem.Checked = false; sortBySizeToolStripMenuItem.Checked = true; } } public VM VM { set { UnregisterHandlers(); if (value != null) { m_VM = value; Program.Invoke(Program.MainWindow, () => snapshotTreeView.ChangeVMToSpinning(false, null)); m_VM.Connection.Cache.RegisterBatchCollectionChanged( VM_BatchCollectionChanged); m_VM.PropertyChanged += snapshot_PropertyChanged; //Version setup toolStripMenuItemScheduledSnapshots.Available = toolStripSeparatorView.Available = !Helpers.FeatureForbidden(VM.Connection, Host.RestrictVMSnapshotSchedule); if (_storedViewsPerVm.ContainsKey(m_VM.opaque_ref) && _storedViewsPerVm[m_VM.opaque_ref] == SnapshotsView.ListView) GridViewChecked(); else TreeViewChecked(); toolStripButtonTreeView.Enabled = true; toolStripButtonTreeView.ToolTipText = ""; revertButton.Enabled = true; toolTipContainerRevertButton.SetToolTip(""); //toolStripButtonListView.Enabled = toolStripButtonTreeView.Enabled = true; //Refresh items BuildList(); RefreshDetailsGroupBox(true); RefreshToolStripButtons(); RefreshVMSSPanel(); } } get { return m_VM; } } private void RefreshVMSSPanel() { if (Helpers.FalconOrGreater(VM.Connection)) { panelVMPP.Visible = true; var vmss = VM.Connection.Resolve(VM.snapshot_schedule); if (vmss == null || Helpers.FeatureForbidden(VM.Connection, Host.RestrictVMSnapshotSchedule)) { labelVMPPInfo.Text = Messages.THIS_VM_IS_NOT_IN_VMSS; pictureBoxVMPPInfo.Image = Resources._000_Info3_h32bit_16; linkLabelVMPPInfo.Text = Helpers.FeatureForbidden(VM.Connection, Host.RestrictVMSnapshotSchedule) ? Messages.TELL_ME_MORE : Messages.VIEW_VMSS_POLICIES; } else { labelVMPPInfo.Text = string.Format(Messages.THIS_VM_IS_IN_VMSS, vmss.Name()); pictureBoxVMPPInfo.Image = Resources._000_Tick_h32bit_16; linkLabelVMPPInfo.Text = Messages.VIEW_VMSS_POLICIES; } } else { panelVMPP.Visible = false; } } private void UpdateSpinningIcon() { ActionBase action = ConnectionsManager.History.Find(SpinningPredicate()); if (action != null) { string message = action is VMSnapshotCreateAction ? Messages.SNAPSHOTTING : Messages.VM_REVERTING_ELLIPSIS; Program.Invoke(Program.MainWindow, () => snapshotTreeView.ChangeVMToSpinning(true, message)); } } private Predicate SpinningPredicate() { return a => a.VM == VM && !a.IsCompleted && (a is VMSnapshotCreateAction || a is VMSnapshotRevertAction); } private void History_CollectionChanged(object sender, CollectionChangeEventArgs e) { //Program.AssertOnEventThread(); Program.BeginInvoke(Program.MainWindow, () => { if (e.Action == CollectionChangeAction.Add && (e.Element is VMSnapshotCreateAction || e.Element is VMSnapshotRevertAction)) { ActionBase createAction = (ActionBase)e.Element; createAction.Completed += CreateActionCompleted; string message = createAction is VMSnapshotCreateAction ? Messages.SNAPSHOTTING : Messages.VM_REVERTING_ELLIPSIS; if (snapshotTreeView.SpinningMessage != Messages.SNAPSHOTTING) Program.Invoke(Program.MainWindow, () => snapshotTreeView.ChangeVMToSpinning(true, message)); } }); } private void CreateActionCompleted(ActionBase senderAction) { senderAction.Completed -= CreateActionCompleted; ActionBase action = ConnectionsManager.History.Find(SpinningPredicate()); if (action == null) { Program.Invoke(Program.MainWindow, () => snapshotTreeView.ChangeVMToSpinning(false, null)); } } private void VM_BatchCollectionChanged(object sender, EventArgs e) { if (m_NeedToUpdate) { BuildList(); RefreshDetailsGroupBox(true); #if DEBUG Debug.WriteLine("Refreshing the list of snapshots..."); #endif } m_NeedToUpdate = false; } private void UnregisterHandlers() { if (m_VM == null) return; m_VM.Connection.Cache.DeregisterBatchCollectionChanged(VM_BatchCollectionChanged); m_VM.PropertyChanged -= snapshot_PropertyChanged; foreach (VM snapshot in m_VM.Connection.ResolveAll(m_VM.snapshots)) { snapshot.PropertyChanged -= snapshot_PropertyChanged; } } public override void PageHidden() { UnregisterHandlers(); } private void BuildList() { if (!this.Visible) return; lock (snapshotTreeView) { if (VM == null || VM.snapshots == null) return; var snapshots = VM.Connection.ResolveAll(VM.snapshots); if (snapshots.Count == 0) { snapshotTreeView.Clear(); TreeViewChecked(); RefreshDetailsGroupBox(true); toolStripButtonTreeView.Enabled = toolStripButtonListView.Enabled = false; ; return; } toolStripButtonListView.Enabled = true; IList roots = RefreshDataGridView(snapshots); toolStripButtonTreeView.Enabled = true; RefreshTreeView(roots); SelectPreviousItemVMTreeView(); UpdateSpinningIcon(); } } private void SelectPreviousItemVMTreeView() { if (snapshotTreeView.Items.Count > 0) { snapshotTreeView.Select(); foreach (ListViewItem item in snapshotTreeView.Items) { if (item.ImageIndex == SnapshotIcon.VMImageIndex) { SnapshotIcon icon = item as SnapshotIcon; if (icon == null) continue; if (icon.Parent.Selectable) { icon.Parent.Selected = true; icon.Parent.Focused = true; break; } else { foreach (SnapshotIcon sibling in icon.Parent.Children) { if (sibling.Selectable) { sibling.Selected = true; sibling.Focused = true; break; } } break; } } } } else { RefreshDetailsGroupBox(true); } } private void RefreshTreeView(IList roots) { if (snapshotTreeView.Parent == null) return; snapshotTreeView.SuspendLayout(); snapshotTreeView.BeginUpdate(); snapshotTreeView.Clear(); Debug.WriteLine("Start refreshing Tree"); SnapshotIcon rootIcon = null; rootIcon = new SnapshotIcon(VM.Name(), Messages.BASE, null, snapshotTreeView, SnapshotIcon.Template); snapshotTreeView.AddSnapshot(rootIcon); //Set VM VM vmParent = VM.Connection.Resolve(VM.parent); if (vmParent == null || !vmParent.is_a_snapshot) { SnapshotIcon vmIcon = new SnapshotIcon(Messages.NOW, "", rootIcon, snapshotTreeView, SnapshotIcon.VMImageIndex); snapshotTreeView.AddSnapshot(vmIcon); } foreach (VM root in roots) { if (!((root.is_snapshot_from_vmpp || root.is_vmss_snapshot) && !toolStripMenuItemScheduledSnapshots.Checked)) { int icon; if (root.is_snapshot_from_vmpp || root.is_vmss_snapshot) icon = root.power_state == vm_power_state.Suspended ? SnapshotIcon.ScheduledDiskMemorySnapshot : SnapshotIcon.ScheduledDiskSnapshot; else icon = root.power_state == vm_power_state.Suspended ? SnapshotIcon.DiskAndMemorySnapshot : SnapshotIcon.DiskSnapshot; DateTime time = root.snapshot_time.ToLocalTime() + root.Connection.ServerTimeOffset; SnapshotIcon currentIcon = new SnapshotIcon(root.name_label, HelpersGUI.DateTimeToString(time, Messages.DATEFORMAT_DMY_HMS, true), rootIcon, snapshotTreeView, icon); snapshotTreeView.AddSnapshot(currentIcon); currentIcon.Tag = root; BuildTree(root, currentIcon); } else BuildTree(root, rootIcon); } if (snapshotTreeView.Items.Count < 4) snapshotTreeView.Clear(); snapshotTreeView.EndUpdate(); snapshotTreeView.ResumeLayout(); snapshotTreeView.PerformLayout(); } private void RefreshDataGridView() { IList snapshots = VM.Connection.ResolveAll(VM.snapshots); if (snapshots.Count == 0) { snapshotTreeView.Clear(); TreeViewChecked(); return; } RefreshDataGridView(snapshots); } private IList RefreshDataGridView(IList snapshots) { dataGridView.Rows.Clear(); IList roots = new List(); for (int i = 0; i < snapshots.Count; i++) { VM snapshot = snapshots[i]; if (!(snapshot.is_snapshot_from_vmpp || snapshot.is_vmss_snapshot) || toolStripMenuItemScheduledSnapshots.Checked) { snapshot.PropertyChanged -= snapshot_PropertyChanged; snapshot.PropertyChanged += snapshot_PropertyChanged; //Build DataGridView SnapshotDataGridViewRow row = new SnapshotDataGridViewRow(snapshot); row.Tag = snapshot; dataGridView.Rows.Add(row); } VM parent = VM.Connection.Resolve(snapshot.parent); if (parent == null) roots.Add(snapshot); else if (!snapshots.Contains(parent) && !roots.Contains(parent)) roots.Add(snapshot); } if (dataGridView.SortedColumn == null) dataGridView.Sort(columnName, ListSortDirection.Ascending); return roots; } private class SnapshotDataGridViewRow : DataGridViewRow { private DataGridViewTextBoxCell _type = new DataGridViewTextBoxCell(); private DataGridViewTextBoxCell _name = new DataGridViewTextBoxCell(); private DataGridViewTextBoxCell _creationTime = new DataGridViewTextBoxCell(); private DataGridViewTextBoxCell _size = new DataGridViewTextBoxCell(); private DataGridViewTextBoxCell _tags = new DataGridViewTextBoxCell(); private DataGridViewTextBoxCell _description = new DataGridViewTextBoxCell(); private DataGridViewTextBoxCell _sortType = new DataGridViewTextBoxCell(); public SnapshotDataGridViewRow(VM snapshot) { //Icon this.Cells.Add(_type); _type.Value = snapshot.power_state == vm_power_state.Suspended ? Messages.DISKS_AND_MEMORY : Messages.DISKS_ONLY; //Name Cells.Add(_name); _name.Value = snapshot.name_label; //Created On Cells.Add(_creationTime); _creationTime.Value = snapshot.snapshot_time.ToLocalTime() + snapshot.Connection.ServerTimeOffset; //Size Cells.Add(_size); _size.Value = GetStringSnapshotSize(snapshot); //Tags Cells.Add(_tags); _tags.Value = ConcatWithSeparator(Tags.GetTags(snapshot), ", "); //Description Cells.Add(_description); _description.Value = snapshot.Description() != "" ? snapshot.Description() : Messages.NONE; } } void snapshot_PropertyChanged(object sender, PropertyChangedEventArgs e) { if (e.PropertyName == "current_operations") { VM vm = null; if (sender is VM) vm = ((VM)sender); else vm = (VM)sender; if (vm.current_operations.Count == 0 && !vm.is_a_snapshot) m_NeedToUpdate = true; #if DEBUG foreach (KeyValuePair op in vm.current_operations) { Debug.WriteLine(vm.name_label + " " + op.Value); } if (vm.current_operations.Count == 0) Debug.WriteLine("End of operation"); #endif } switch (e.PropertyName) { case "name_label": BuildList(); RefreshDetailsGroupBox(true); break; case "snapshot_schedule": RefreshVMSSPanel(); break; case "name_description": case "tags": case "other_config": case "Path": RefreshDetailsGroupBox(true); RefreshDataGridView(); RefreshToolStripButtons(); break; case "snapshots": m_NeedToUpdate = true; break; } } private static string GetStringSnapshotSize(VM snapshot) { long size = GetSnapshotSize(snapshot); return Util.DiskSizeString(size); } private static long GetSnapshotSize(VM snapshot) { long size = 0; foreach (VBD vbd in snapshot.Connection.ResolveAll(snapshot.VBDs)) { if (vbd.type == vbd_type.Disk) { VDI vdi = snapshot.Connection.Resolve(vbd.VDI); if (vdi == null || vdi.physical_utilisation == -1) continue; size += vdi.physical_utilisation; } } VDI suspendedVdi = snapshot.Connection.Resolve(snapshot.suspend_VDI); if (suspendedVdi != null && suspendedVdi.physical_utilisation > 0) size += suspendedVdi.physical_utilisation; return size; } private void BuildTree(VM currentNode, SnapshotIcon currentIcon) { //Set VM if (VM.Connection.Resolve(VM.parent) == currentNode) { SnapshotIcon vmIcon = new SnapshotIcon(Messages.NOW, "", currentIcon, snapshotTreeView, SnapshotIcon.VMImageIndex); snapshotTreeView.AddSnapshot(vmIcon); } //Do childs foreach (XenRef child in currentNode.children) { if (VM.snapshots.Contains(child)) { VM childSnapshot = VM.Connection.Resolve(child); if (!((childSnapshot.is_snapshot_from_vmpp || childSnapshot.is_vmss_snapshot) && !toolStripMenuItemScheduledSnapshots.Checked)) { int icon; if (childSnapshot.is_snapshot_from_vmpp || childSnapshot.is_vmss_snapshot) icon = childSnapshot.power_state == vm_power_state.Suspended ? SnapshotIcon.ScheduledDiskMemorySnapshot : SnapshotIcon.ScheduledDiskSnapshot; else icon = childSnapshot.power_state == vm_power_state.Suspended ? SnapshotIcon.DiskAndMemorySnapshot : SnapshotIcon.DiskSnapshot; DateTime time = childSnapshot.snapshot_time.ToLocalTime() + childSnapshot.Connection.ServerTimeOffset; SnapshotIcon childIcon = new SnapshotIcon(childSnapshot.name_label, HelpersGUI.DateTimeToString(time, Messages.DATEFORMAT_DMY_HMS, true), currentIcon, snapshotTreeView, icon); snapshotTreeView.AddSnapshot(childIcon); childIcon.Tag = childSnapshot; BuildTree(childSnapshot, childIcon); } else BuildTree(childSnapshot, currentIcon); } } } private void view_SelectionChanged(object sender, System.EventArgs e) { RefreshDetailsGroupBox(false); RefreshToolStripButtons(); snapshotTreeView.Invalidate(); } private void RefreshToolStripButtons() { IList snapshots = GetSelectedSnapshots(); if (snapshots != null && snapshots.Count == 1) EnableAllButtons(); else if (snapshots != null && snapshots.Count > 1) EnableDelete(); else DisableAllButtons(); } private void DisableAllButtons() { revertButton.Enabled = false; toolTipContainerRevertButton.SetToolTip(""); saveButton.Enabled = false; deleteButton.Enabled = false; } private void EnableAllButtons() { revertButton.Enabled = true; saveButton.Enabled = true; deleteButton.Enabled = true; } private void EnableDelete() { revertButton.Enabled = false; toolTipContainerRevertButton.SetToolTip(""); saveButton.Enabled = false; deleteButton.Enabled = true; } private void RefreshDetailsGroupBox(bool force) { IList selectedSnaps = GetSelectedSnapshots(); if (selectedSnaps == null || selectedSnaps.Count == 0) { ShowDisabledPanel(); } else if (toolStripButtonListView.Checked && selectedSnaps.Count == 1) { ShowDetailsPanel(selectedSnaps[0], force); } else if (toolStripButtonTreeView.Checked && selectedSnaps.Count == 1) { ShowDetailsPanel(selectedSnaps[0], force); } else if (selectedSnaps.Count > 1) { ShowDetailsPanelMultipleSelection(selectedSnaps); } else { ShowDisabledPanel(); } } private void ShowDisabledPanel() { propertiesGroupBox.Enabled = false; propertiesGroupBox.Tag = null; propertiesTableLayoutPanel.Controls.Remove(tableLayoutPanelMultipleSelection); propertiesTableLayoutPanel.Controls.Add(tableLayoutPanelSimpleSelection, 0, 2); propertiesGroupBox.Text = String.Format(Messages.SNAPSHOT_CREATED_ON, ""); nameLabel.Text = ""; sizeLabel.Text = ""; labelMode.Text = ""; descriptionLabel.Text = ""; tagsLabel.Text = ""; folderLabel.Text = ""; screenshotPictureBox.Image = GetNoScreenshotImage(); tableLayoutPanelSimpleSelection.RowStyles[5].Height = 0; tableLayoutPanelSimpleSelection.RowStyles[6].Height = 0; } private void ShowDetailsPanel(VM snapshot, bool force) { propertiesGroupBox.Enabled = true; if (propertiesGroupBox.Tag != snapshot || force || !propertiesGroupBox.Enabled) { propertiesTableLayoutPanel.SuspendLayout(); tableLayoutPanelSimpleSelection.SuspendLayout(); propertiesTableLayoutPanel.Controls.Remove(tableLayoutPanelMultipleSelection); List customFields = CustomFieldsManager.CustomFieldValues(snapshot); if (customFields.Count > 0) { tableLayoutPanelSimpleSelection.RowStyles[5].Height = 30; customFieldTitle1.Text = String.Format("{0}:", customFields[0].Definition.Name.ToString()); customFieldContent1.Text = customFields[0].Value.ToString(); tableLayoutPanelSimpleSelection.RowStyles[6].Height = 0; if (customFields.Count >= 2) { tableLayoutPanelSimpleSelection.RowStyles[6].Height = 30; customFieldTitle2.Text = String.Format("{0}:",customFields[1].Definition.Name.ToString()); customFieldContent2.Text = customFields[1].Value.ToString(); } } else { tableLayoutPanelSimpleSelection.RowStyles[5].Height = 0; tableLayoutPanelSimpleSelection.RowStyles[6].Height = 0; } propertiesTableLayoutPanel.Controls.Add(tableLayoutPanelSimpleSelection, 0, 2); tableLayoutPanelSimpleSelection.ResumeLayout(); propertiesTableLayoutPanel.ResumeLayout(); DateTime time = snapshot.snapshot_time.ToLocalTime() + snapshot.Connection.ServerTimeOffset; propertiesGroupBox.Text = String.Format(Messages.SNAPSHOT_CREATED_ON, HelpersGUI.DateTimeToString(time, Messages.DATEFORMAT_DMY_HMS, true)); nameLabel.Text = snapshot.name_label; sizeLabel.Text = GetStringSnapshotSize(snapshot); labelMode.Text = snapshot.power_state == vm_power_state.Halted ? Messages.DISKS_ONLY : Messages.DISKS_AND_MEMORY; var descr = snapshot.Description(); descriptionLabel.Text = string.IsNullOrEmpty(descr) ? Messages.NONE : descr; toolTipDescriptionLabel.SetToolTip(descriptionLabel, descriptionLabel.Height == descriptionLabel.MaximumSize.Height ? descriptionLabel.Text : ""); BackgroundWorker backgroundWorker = new BackgroundWorker(); backgroundWorker.DoWork += new DoWorkEventHandler(BackgroundWorkerDoWork); backgroundWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(backgroundWorker_RunWorkerCompleted); backgroundWorker.RunWorkerAsync(snapshot); tagsLabel.Text = ConcatWithSeparator(Tags.GetTags(snapshot), ", "); toolTipTagsLabel.SetToolTip(tagsLabel, tagsLabel.Height == tagsLabel.MaximumSize.Height ? tagsLabel.Text : ""); Folder folder = Folders.GetFolder(snapshot); if (folder != null) folderLabel.Text = folder.name_label; else folderLabel.Text = Messages.NONE; toolTipFolderLabel.SetToolTip(folderLabel, folderLabel.Height == folderLabel.MaximumSize.Height ? folderLabel.Text : ""); propertiesGroupBox.Tag = snapshot; propertiesButton.Enabled = true; } } private void ShowDetailsPanelMultipleSelection(IList snapshots) { propertiesTableLayoutPanel.Controls.Remove(tableLayoutPanelSimpleSelection); propertiesTableLayoutPanel.Controls.Add(tableLayoutPanelMultipleSelection, 0, 2); nameLabel.Text = String.Format(Messages.SNAPSHOTS_SELECTED, snapshots.Count); long totalSize = 0; List tags = new List(); DateTime bigger = DateTime.MinValue; DateTime smaller = DateTime.MaxValue; foreach (VM snapshot in snapshots) { totalSize += GetSnapshotSize(snapshot); foreach (string tag in Tags.GetTags(snapshot)) { if (!tags.Contains(tag)) tags.Add(tag); } DateTime time = snapshot.snapshot_time.ToLocalTime() + snapshot.Connection.ServerTimeOffset; if (smaller > time) smaller = time; if (bigger < time) bigger = time; } propertiesGroupBox.Text = String.Format("{0} - {1}", HelpersGUI.DateTimeToString(smaller, Messages.DATEFORMAT_DMY_HMS, true), HelpersGUI.DateTimeToString(bigger, Messages.DATEFORMAT_DMY_HMS, true)); multipleSelectionTotalSize.Text = Util.DiskSizeString(totalSize); multipleSelectionTags.Text = ConcatWithSeparator(tags.ToArray(), ", "); BackgroundWorker backgroundWorker = new BackgroundWorker(); backgroundWorker.DoWork += new DoWorkEventHandler(BackgroundWorkerDoWork); backgroundWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(backgroundWorker_RunWorkerCompleted); backgroundWorker.RunWorkerAsync(snapshots[0]); propertiesButton.Enabled = false; propertiesGroupBox.Tag = null; } void backgroundWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e) { if ((TreeViewButtonsChecked && snapshotTreeView.SelectedIndices.Count >= 1) || (GridViewButtonsChecked && dataGridView.SelectedRows.Count >= 1)) screenshotPictureBox.Image = (Image)e.Result; else { screenshotPictureBox.Image = GetNoScreenshotImage(); } } void BackgroundWorkerDoWork(object sender, DoWorkEventArgs e) { try { VM snapshot = (VM)e.Argument; Image image = GetSnapshotImage(snapshot, false); if (image == null) { image = GetNoScreenshotImage(); } e.Result = image; } catch (Exception) { log.Debug("Error creating the screenshot for simple selection"); } } private Image GetNoScreenshotImage() { Image image; image = new Bitmap(100, 75); using (Graphics g = Graphics.FromImage(image)) { g.FillRectangle(Brushes.Black, new Rectangle(0, 0, 100, 75)); g.DrawString(Messages.NO_SCREENSHOT, Font, Brushes.White, 10, 30); } return image; } private static string ConcatWithSeparator(string[] strings, string separator) { StringBuilder sb = new StringBuilder(); foreach (string str in strings) { sb.Append(str); sb.Append(separator); } if (strings.Length > 0) sb.Remove(sb.Length - separator.Length, separator.Length); else sb.Append(Messages.NONE); return sb.ToString(); } #region ScreenShot methods private Image GetSnapshotImage(VM snapshot, bool style) { Image image = GetBlobImage(snapshot); if (image == null) image = GetOtherConfigImage(snapshot); if (style) return ChangeStyle(image); else return image; } private Image ChangeStyle(Image image) { int SHADOW_OFFSET = 3; try { Image finalImage = new Bitmap(image.Width + SHADOW_OFFSET, image.Height + SHADOW_OFFSET); Rectangle rectangle = new Rectangle(0, 0, image.Width, image.Height); using (Graphics g = Graphics.FromImage(finalImage)) { g.SmoothingMode = SmoothingMode.AntiAlias; g.CompositingQuality = CompositingQuality.HighQuality; //// Draw drop shadow Rectangle shadow = new Rectangle(rectangle.Location, rectangle.Size); shadow.Offset(SHADOW_OFFSET, SHADOW_OFFSET); using (GraphicsPath path = GetRoundedPath(shadow, 4f)) using (PathGradientBrush brush = new PathGradientBrush(path)) { brush.FocusScales = new PointF(0.8f, 0.8f); brush.SurroundColors = new Color[] { Color.FromArgb(0, Color.Black) }; brush.CenterColor = Color.Black; g.FillPath(brush, path); } // Draw image with rounded corners g.SetClip(GetRoundedPath(rectangle, 4f)); g.DrawImageUnscaled(image, 0, 0, image.Width, image.Height); //// Darken image using (Brush brush = new LinearGradientBrush(rectangle, Color.FromArgb(100, Color.Black), Color.FromArgb(140, Color.Black), LinearGradientMode.Vertical)) g.FillRectangle(brush, rectangle); // Draw shimmer using (GraphicsPath path = GetShimmer(rectangle)) using (Brush brush = new LinearGradientBrush(rectangle, Color.FromArgb(100, Color.White), Color.FromArgb(0, Color.White), LinearGradientMode.Vertical)) g.FillPath(brush, path); return finalImage; } } finally { image.Dispose(); } } private static GraphicsPath GetShimmer(Rectangle bounds) { GraphicsPath path = new GraphicsPath(); int sweepHeight = bounds.Height / 3; int rightHeight = bounds.X + sweepHeight; int leftHeight = bounds.X + sweepHeight * 2; int border = 3; path.StartFigure(); path.AddArc(bounds.Left + border, bounds.Top + border, 2 * border, 2 * border, 180, 90); path.AddLine(bounds.Left + 2 * border, bounds.Top + border, bounds.Right - 2 * border, bounds.Top + border); path.AddArc(bounds.Right - (3 * border) - 1, bounds.Top + border, 2 * border, 2 * border, 270, 90); path.AddLine(bounds.Right - border - 1, rightHeight, bounds.Left + border, leftHeight); path.CloseFigure(); return path; } private static Image GetOtherConfigImage(VM snapshot) { try { string imageStr; if (!snapshot.other_config.TryGetValue(VMSnapshotCreateAction.VNC_SNAPSHOT, out imageStr)) return null; byte[] imageBuffer = Convert.FromBase64String(imageStr); using (MemoryStream imageStream = new MemoryStream(imageBuffer)) return Image.FromStream(imageStream); } catch { return null; } } private static GraphicsPath GetRoundedPath(RectangleF rect, float radius) { float diameter = 2 * radius; GraphicsPath path = new GraphicsPath(); path.StartFigure(); path.AddArc(rect.X, rect.Y, diameter, diameter, 180, 90); path.AddArc(rect.Right - diameter, rect.Y, diameter, diameter, 270, 90); path.AddArc(rect.Right - diameter, rect.Bottom - diameter - 1, diameter, diameter, 0, 90); path.AddArc(rect.X, rect.Bottom - diameter - 1, diameter, diameter, 90, 90); path.CloseFigure(); return path; } private Image GetBlobImage(VM snapshot) { try { XenRef blobRef; if (!snapshot.blobs.TryGetValue(VMSnapshotCreateAction.VNC_SNAPSHOT, out blobRef)) return null; Blob blob = VM.Connection.Resolve(blobRef); if (blob == null) return null; using (Stream imageStream = blob.Load()) return Image.FromStream(imageStream); } catch { return null; } } #endregion private void treeToolStripMenuItem_Click(object sender, EventArgs e) { if (!TreeViewButtonsChecked) { TreeViewChecked(); BuildList(); } } private bool GridViewButtonsChecked { get { return toolStripButtonListView.Checked; } set { toolStripButtonListView.Checked = value; } } private bool TreeViewButtonsChecked { get { return toolStripButtonTreeView.Checked; } set { toolStripButtonTreeView.Checked = value; } } private void TreeViewChecked() { viewPanel.Controls.Clear(); viewPanel.Controls.Add(snapshotTreeView); snapshotTreeView.Dock = DockStyle.Fill; TreeViewButtonsChecked = true; _storedViewsPerVm[VM.opaque_ref] = SnapshotsView.TreeView; GridViewButtonsChecked = false; snapshotTreeView.SelectedItems.Clear(); foreach (DataGridViewRow row in dataGridView.SelectedRows) { foreach (ListViewItem item in snapshotTreeView.Items) { if (row.Tag == item.Tag) { item.Selected = true; break; } } } RefreshToolStripButtons(); } private void GridViewChecked() { viewPanel.Controls.Clear(); viewPanel.Controls.Add(dataGridView); dataGridView.Dock = DockStyle.Fill; GridViewButtonsChecked = true; _storedViewsPerVm[VM.opaque_ref] = SnapshotsView.ListView; TreeViewButtonsChecked = false; RefreshToolStripButtons(); } private void takeSnapshotToolStripButton_Click(object sender, EventArgs e) { TakeSnapshotCommand command = new TakeSnapshotCommand(Program.MainWindow, VM); command.Execute(); } private void deleteToolStripButton_Click(object sender, EventArgs e) { List snapshots = GetSelectedSnapshots(); if (snapshots != null) DeleteSnapshots(snapshots); } private VM GetSelectedSnapshot() { if (TreeViewButtonsChecked) { if (snapshotTreeView.SelectedItems.Count == 1) { return (VM)snapshotTreeView.SelectedItems[0].Tag; } } else if (GridViewButtonsChecked) { if (dataGridView.SelectedRows.Count == 1) { return (VM)dataGridView.SelectedRows[0].Tag; } } return null; } private List GetSelectedSnapshots() { if (TreeViewButtonsChecked) { if (snapshotTreeView.SelectedItems.Count > 0) { List snapshots = new List(); foreach (ListViewItem item in snapshotTreeView.SelectedItems) { VM snap = (VM)item.Tag; if (snap != null && snap.is_a_snapshot) { if(!(snap.is_snapshot_from_vmpp || snap.is_vmss_snapshot) || toolStripMenuItemScheduledSnapshots.Checked) snapshots.Add(snap); } } return snapshots; } } else if (GridViewButtonsChecked) { if (dataGridView.SelectedRows.Count > 0) { List snapshots = new List(); foreach (DataGridViewRow row in dataGridView.SelectedRows) { VM snap = (VM)row.Tag; if (snap != null && snap.is_a_snapshot) { if (!(snap.is_snapshot_from_vmpp || snap.is_vmss_snapshot) || toolStripMenuItemScheduledSnapshots.Checked) snapshots.Add(snap); } } return snapshots; } } return null; } private void restoreToolStripButton_Click(object sender, EventArgs e) { VM snapshot = GetSelectedSnapshot(); if (snapshot != null) RevertVM(VM, snapshot); } private void propertiesButton_Click(object sender, EventArgs e) { VM snapshot = (VM)propertiesGroupBox.Tag; if (snapshot != null) { PropertiesDialog dialog = new PropertiesDialog(snapshot); dialog.ShowDialog(); } } private void SetContextMenuMultiSelection() { contextMenuStrip.Items.Clear(); contextMenuStrip.Items.AddRange(new ToolStripItem[] { viewToolStripMenuItem, sortToolStripSeparator, deleteToolStripMenuItem }); } private void SetContextMenuSnapshot() { contextMenuStrip.Items.Clear(); contextMenuStrip.Items.AddRange(new ToolStripItem[] { revertToolStripMenuItem, saveVMToolStripSeparator }); contextMenuStrip.Items.AddRange(new ToolStripItem[] { saveVMToolStripMenuItem, saveTemplateToolStripMenuItem, exportToolStripMenuItem }); contextMenuStrip.Items.AddRange(new ToolStripItem[] { separatorDeleteToolStripSeparator, viewToolStripMenuItem }); if (toolStripButtonListView.Checked) contextMenuStrip.Items.Add(sortByToolStripMenuItem); contextMenuStrip.Items.AddRange(new ToolStripItem[] { sortToolStripSeparator, deleteToolStripMenuItem, propertiesToolStripMenuItem }); } private void SetContextMenuNoneSelected() { contextMenuStrip.Items.Clear(); contextMenuStrip.Items.Add(TakeSnapshotToolStripMenuItem); if (VM.snapshots.Count > 0) contextMenuStrip.Items.Add(viewToolStripMenuItem); } private void saveAsATemplateToolStripMenuItem_Click(object sender, EventArgs e) { new NewTemplateFromSnapshotCommand(Program.MainWindow, GetSelectedSnapshot()).Execute(); } private void saveAsAVirtualMachineToolStripMenuItem_Click(object sender, EventArgs e) { new NewVMFromSnapshotCommand(Program.MainWindow, GetSelectedSnapshot()).Execute(); } private void exportSnapshotToolStripMenuItem_Click(object sender, EventArgs e) { new ExportSnapshotAsTemplateCommand(Program.MainWindow, GetSelectedSnapshot()).Execute(); } private void snapshotTreeView1_MouseDoubleClick(object sender, MouseEventArgs e) { ListViewHitTestInfo test = snapshotTreeView.HitTest(e.Location); SnapshotIcon snapIcon = test.Item as SnapshotIcon; if (snapIcon != null && snapIcon.Selectable) revertButton_Click(sender, e); } private void sortByTypeToolStripMenuItem_Click(object sender, EventArgs e) { if (!sortByTypeToolStripMenuItem.Checked) dataGridView.Sort(columnType, ListSortDirection.Ascending); } private void sortByNameToolStripMenuItem_Click(object sender, EventArgs e) { if (!sortByNameToolStripMenuItem.Checked) dataGridView.Sort(columnName, ListSortDirection.Ascending); } private void sortByCreatedOnToolStripMenuItem_Click(object sender, EventArgs e) { if (!sortByCreatedOnToolStripMenuItem.Checked) dataGridView.Sort(columnCreated, ListSortDirection.Ascending); } private void sortBySizeToolStripMenuItem_Click(object sender, EventArgs e) { if (!sortBySizeToolStripMenuItem.Checked) dataGridView.Sort(columnSize, ListSortDirection.Ascending); } private void screenshotPictureBox_Click(object sender, EventArgs e) { VM snapshot = (VM)propertiesGroupBox.Tag; if (snapshot != null && screenshotPictureBox.Image.Size.Width > 100) new ScreenShotDialog(snapshot.name_label, screenshotPictureBox.Image).ShowDialog(); } private void chevronButton1_ButtonClick(object sender, EventArgs e) { if (contentTableLayoutPanel.ColumnStyles[1].Width == 0) { contentTableLayoutPanel.ColumnStyles[1].Width = defaultWidthProperties; chevronButton1.Text = Messages.HIDE_DETAILS; chevronButton1.Image = Resources.PDChevronRight; } else { defaultWidthProperties = contentTableLayoutPanel.ColumnStyles[1].Width; contentTableLayoutPanel.ColumnStyles[1].Width = 0; chevronButton1.Text = Messages.SHOW_DETAILS; chevronButton1.Image = Resources.PDChevronLeft; } snapshotTreeView.Invalidate(); } private void revertButton_Click(object sender, EventArgs e) { VM snapshot = GetSelectedSnapshot(); if (snapshot != null) RevertVM(VM, snapshot); } private void deleteButton_Click(object sender, EventArgs e) { List snapshots = GetSelectedSnapshots(); if (snapshots != null) DeleteSnapshots(snapshots); } private void saveButton_Click(object sender, EventArgs e) { saveMenuStrip.Show(saveButton, 0, saveButton.Height); } private void saveAsTemplateToolStripMenuItem_Click(object sender, EventArgs e) { new NewTemplateFromSnapshotCommand(Program.MainWindow, GetSelectedSnapshot()).Execute(); } private void toolStripMenuItem1_Click(object sender, EventArgs e) { new NewVMFromSnapshotCommand(Program.MainWindow, GetSelectedSnapshot()).Execute(); } private void exportAsBackupToolStripMenuItem_Click(object sender, EventArgs e) { new ExportSnapshotAsTemplateCommand(Program.MainWindow, GetSelectedSnapshot()).Execute(); } private void gridToolStripMenuItem_Click(object sender, EventArgs e) { if (!GridViewButtonsChecked) { GridViewChecked(); } } private void contextMenuStrip_Opening(object sender, CancelEventArgs e) { if (GridViewButtonsChecked) { if (dataGridView.SelectedRows.Count > 1) { SetContextMenuMultiSelection(); } else if (dataGridView.SelectedRows.Count == 1) SetContextMenuSnapshot(); else SetContextMenuNoneSelected(); } else if (TreeViewButtonsChecked) { if (snapshotTreeView.SelectedItems.Count > 1) { SetContextMenuMultiSelection(); } else if (snapshotTreeView.SelectedItems.Count < 1) { SetContextMenuNoneSelected(); } else if (snapshotTreeView.SelectedItems.Count == 1) { VM snapshot = (VM)snapshotTreeView.SelectedItems[0].Tag; if (snapshot != null && snapshot.is_a_snapshot) { SetContextMenuSnapshot(); } } } } private void chevronButton1_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Space) chevronButton1_ButtonClick(sender, e); } private static void DeleteSnapshots(List snapshots) { DeleteSnapshotCommand deleteSnapshotCommand = new DeleteSnapshotCommand( Program.MainWindow, snapshots.ConvertAll(input => new SelectedItem(input))); deleteSnapshotCommand.Execute(); } private void RevertVM(VM vm, VM snapshot) { if (vm.current_operations.Count == 0) { RevertToSnapshotCommand cmd = new RevertToSnapshotCommand(Program.MainWindow, vm, snapshot); cmd.Execute(); } } private void dataGridView_MouseClick(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Right) { DataGridView.HitTestInfo hitTestInfo = dataGridView.HitTest(e.X, e.Y); if (hitTestInfo.RowIndex >= 0) { if (dataGridView.SelectedRows.Count == 1) dataGridView.ClearSelection(); dataGridView.Rows[hitTestInfo.RowIndex].Selected = true; } else { dataGridView.ClearSelection(); } contextMenuStrip.Show(dataGridView, e.X, e.Y); } } private void snapshotTreeView_MouseClick(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Right) { ListViewHitTestInfo hitTestInfo = snapshotTreeView.HitTest(e.X, e.Y); if (hitTestInfo.Item != null) { SnapshotIcon snapshotIcon = hitTestInfo.Item as SnapshotIcon; if (snapshotIcon != null && snapshotIcon.Selectable) { if (snapshotTreeView.SelectedItems.Count == 1) snapshotTreeView.SelectedItems.Clear(); hitTestInfo.Item.Selected = true; } else { snapshotTreeView.SelectedItems.Clear(); } } else { snapshotTreeView.SelectedItems.Clear(); } contextMenuStrip.Show(snapshotTreeView, e.X, e.Y); } } private void snapshotTreeView_ItemDrag(object sender, ItemDragEventArgs e) { SnapshotIcon icon = e.Item as SnapshotIcon; if (icon != null && icon.ImageIndex == SnapshotIcon.VMImageIndex) { snapshotTreeView.DoDragDrop(e.Item, DragDropEffects.Move); } } private void snapshotTreeView_DragOver(object sender, DragEventArgs e) { e.Effect = DragDropEffects.Move; Point hitPoint = snapshotTreeView.PointToClient(new Point(e.X, e.Y)); ListViewHitTestInfo info = snapshotTreeView.HitTest(hitPoint); SnapshotIcon icon = info.Item as SnapshotIcon; if (icon != null && (icon.ImageIndex == SnapshotIcon.DiskAndMemorySnapshot || icon.ImageIndex == SnapshotIcon.DiskSnapshot)) { icon.Selected = true; if (snapshotTreeView.SelectedItems.Count > 1) snapshotTreeView.SelectedItems.Clear(); } } private void snapshotTreeView_DragEnter(object sender, DragEventArgs e) { e.Effect = DragDropEffects.Move; } private void snapshotTreeView_DragDrop(object sender, DragEventArgs e) { Point hitPoint = snapshotTreeView.PointToClient(new Point(e.X, e.Y)); ListViewHitTestInfo info = snapshotTreeView.HitTest(hitPoint); SnapshotIcon icon = info.Item as SnapshotIcon; if (icon != null && (icon.ImageIndex == SnapshotIcon.DiskAndMemorySnapshot || icon.ImageIndex == SnapshotIcon.DiskSnapshot)) { VM snapshot = icon.Tag as VM; if (snapshot != null) RevertVM(VM, snapshot); } } private void snapshotTreeView_MouseMove(object sender, MouseEventArgs e) { SnapshotIcon icon = snapshotTreeView.HitTest(e.X, e.Y).Item as SnapshotIcon; if (icon != null && icon.ImageIndex == SnapshotIcon.VMImageIndex) { this.Cursor = Cursors.Hand; } else { this.Cursor = Cursors.Default; } } private void button1_Click(object sender, EventArgs e) { contextMenuStripView.Show(buttonView, 0, buttonView.Height); } private void toolStripMenuItemScheduledSnapshots_Click(object sender, EventArgs e) { toolStripMenuItemScheduledSnapshots.Checked = !toolStripMenuItemScheduledSnapshots.Checked; BuildList(); } private void linkLabelVMPPInfo_Click(object sender, LinkLabelLinkClickedEventArgs e) { if (Helpers.FeatureForbidden(VM.Connection, Host.RestrictVMSnapshotSchedule)) { VMGroupCommand.ShowUpsellDialog(this); } else { var command = new VMGroupCommand(Program.MainWindow, VM); command.Execute(); } } private void snapshotTreeView_Leave(object sender, EventArgs e) { snapshotTreeView.Invalidate(); } private void snapshotTreeView_Enter(object sender, EventArgs e) { snapshotTreeView.Invalidate(); } } }