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888 lines
31 KiB
C#
888 lines
31 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.Diagnostics;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using XenAdmin.Commands;
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using XenAdmin.Core;
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using XenAdmin.Model;
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using XenAdmin.Network;
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using XenAdmin.XenSearch;
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using XenAPI;
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namespace XenAdmin.Controls.MainWindowControls
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{
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public partial class NavigationView : UserControl
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{
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#region Private fields
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private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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private readonly SelectionManager selectionManager = new SelectionManager();
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private readonly MainWindowTreeBuilder treeBuilder;
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private readonly UpdateManager treeViewUpdateManager = new UpdateManager(30 * 1000);
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private VirtualTreeNode _highlightedDragTarget;
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private int ignoreRefreshTreeView;
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private bool calledRefreshTreeView;
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private bool inMajorChange;
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#endregion
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#region Events
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[Browsable(true)]
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public event Action TreeViewSelectionChanged;
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[Browsable(true)]
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public event Action TreeNodeBeforeSelected;
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[Browsable(true)]
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public event Action TreeNodeClicked;
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[Browsable(true)]
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public event Action TreeNodeRightClicked;
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[Browsable(true)]
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public event Action TreeViewRefreshed;
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[Browsable(true)]
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public event Action TreeViewRefreshSuspended;
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[Browsable(true)]
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public event Action TreeViewRefreshResumed;
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internal event Action<string> DragDropCommandActivated;
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#endregion
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public NavigationView()
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{
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InitializeComponent();
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panel1.BackColor = Program.TitleBarBorderColor;
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treeView.ImageList = Images.ImageList16;
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if (treeView.ItemHeight < 18)
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treeView.ItemHeight = 18;
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//otherwise it's too close together on XP and the icons crash into each other
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VirtualTreeNode n = new VirtualTreeNode(Messages.XENCENTER);
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n.NodeFont = Program.DefaultFont;
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treeView.Nodes.Add(n);
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treeView.SelectedNode = treeView.Nodes[0];
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treeBuilder = new MainWindowTreeBuilder(treeView);
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treeViewUpdateManager.Update += treeViewUpdateManager_Update;
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}
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#region Accessors
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public NavigationPane.NavigationMode NavigationMode { get; set; }
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public Search CurrentSearch { get; set; }
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public bool InSearchMode { get; set; }
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internal SelectionBroadcaster SelectionManager
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{
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get { return selectionManager; }
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}
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#endregion
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#region Connection
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public void XenConnectionCollectionChanged(CollectionChangeEventArgs e)
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{
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IXenConnection connection = (IXenConnection)e.Element;
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if (connection == null)
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return;
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if (e.Action == CollectionChangeAction.Add)
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{
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connection.BeforeMajorChange += Connection_BeforeMajorChange;
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connection.AfterMajorChange += Connection_AfterMajorChange;
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}
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else if (e.Action == CollectionChangeAction.Remove)
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{
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connection.BeforeMajorChange -= Connection_BeforeMajorChange;
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connection.AfterMajorChange -= Connection_AfterMajorChange;
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}
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}
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private void Connection_BeforeMajorChange(object sender, ConnectionMajorChangeEventArgs e)
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{
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try
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{
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Program.Invoke(this, () =>
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{
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if (!e.Background)
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{
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if (inMajorChange)
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return;
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inMajorChange = true;
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}
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SuspendRefreshTreeView();
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});
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}
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catch (Exception exn)
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{
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log.Error(exn, exn);
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// Can do nothing more about this.
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}
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}
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private void Connection_AfterMajorChange(object sender, ConnectionMajorChangeEventArgs e)
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{
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try
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{
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Program.Invoke(this, () =>
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{
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ResumeRefreshTreeView();
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if (!e.Background)
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inMajorChange = false;
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});
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}
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catch (Exception exn)
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{
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log.Error(exn, exn);
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// Can do nothing more about this.
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}
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}
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#endregion
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#region SearchBox
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public void ResetSeachBox()
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{
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searchTextBox.Reset();
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}
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private void searchTextBox_TextChanged(object sender, EventArgs e)
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{
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RequestRefreshTreeView();
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}
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#endregion
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#region TreeView
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private void treeViewUpdateManager_Update(object sender, EventArgs e)
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{
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Program.AssertOffEventThread();
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RefreshTreeView();
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}
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public void MajorChange(MethodInvoker f)
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{
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Program.AssertOnEventThread();
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if (inMajorChange)
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{
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f();
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return;
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}
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try
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{
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inMajorChange = true;
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SuspendRefreshTreeView();
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f();
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}
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catch (Exception e)
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{
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log.Debug("Exception thrown by target of MajorChange.", e);
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log.Debug(e, e);
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throw;
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}
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finally
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{
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ResumeRefreshTreeView();
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inMajorChange = false;
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}
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}
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public void SaveAndRestoreTreeViewFocus(MethodInvoker f)
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{
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bool treeViewHasFocus = treeView.ContainsFocus;
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searchTextBox.SaveState();
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f();
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if (!InSearchMode && treeViewHasFocus)
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FocusTreeView();
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searchTextBox.RestoreState();
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}
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/// <summary>
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/// Selects the specified object in the treeview.
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/// </summary>
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/// <param name="o">The object to be selected.</param>
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/// <param name="expand">A value specifying whether the node should be expanded when it's found.
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/// If false, the node is left in the state it's found in.</param>
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/// <returns>A value indicating whether selection was successful.</returns>
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public bool SelectObject(IXenObject o, bool expand)
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{
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bool cancelled = false;
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if (treeView.Nodes.Count == 0)
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return false;
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bool success = treeView.SelectObject(o, treeView.Nodes[0], expand, ref cancelled);
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if (!success && !cancelled && searchTextBox.Text.Length > 0)
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{
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// if the node could not be found and the node *is* selectable then it means that
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// node isn't visible with the current search. So clear the search and try and
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// select the object again.
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// clear search.
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ResetSeachBox();
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// update the treeview
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RefreshTreeView();
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// and try again.
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return treeView.SelectObject(o, treeView.Nodes[0], expand, ref cancelled);
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}
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return success;
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}
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public bool TryToSelectNewNode(Predicate<object> tagMatch, bool selectNode, bool expandNode, bool ensureNodeVisible)
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{
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return treeView.TryToSelectNewNode(tagMatch, selectNode, expandNode, ensureNodeVisible);
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}
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public void EditSelectedNode()
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{
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SuspendRefreshTreeView();
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treeView.LabelEdit = true;
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treeView.SelectedNode.BeginEdit();
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}
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public void FocusTreeView()
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{
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treeView.Focus();
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}
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public void ForceTreeViewSelectionsChanged()
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{
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treeView.ForceSelectionsChanged();
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}
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public void RequestRefreshTreeView()
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{
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Program.BeginInvoke(Program.MainWindow, treeViewUpdateManager.RequestUpdate);
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}
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private void SuspendRefreshTreeView()
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{
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Program.AssertOnEventThread();
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if (ignoreRefreshTreeView == 0)
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calledRefreshTreeView = false;
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ignoreRefreshTreeView++;
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if (TreeViewRefreshSuspended != null)
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TreeViewRefreshSuspended();
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}
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private void ResumeRefreshTreeView()
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{
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Program.AssertOnEventThread();
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ignoreRefreshTreeView--;
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if (ignoreRefreshTreeView == 0 && calledRefreshTreeView)
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RequestRefreshTreeView();
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if (TreeViewRefreshResumed != null)
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TreeViewRefreshResumed();
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}
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// Normally you should call RequestRefreshTreeView() instead of this function
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public void RefreshTreeView()
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{
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if (Disposing || IsDisposed || Program.Exiting)
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return;
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Program.Invoke(Program.MainWindow, () =>
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{
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if (ignoreRefreshTreeView > 0)
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{
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calledRefreshTreeView = true;
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return;
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}
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ignoreRefreshTreeView++; // Some events can be ignored while rebuilding the tree
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try
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{
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var newRootNode = treeBuilder.CreateNewRootNode(CurrentSearch.AddFullTextFilter(searchTextBox.Text), NavigationMode);
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treeBuilder.RefreshTreeView(newRootNode, searchTextBox.Text, NavigationMode);
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}
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catch (Exception exn)
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{
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log.Error(exn, exn);
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#if DEBUG
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if (Debugger.IsAttached)
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throw;
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#endif
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}
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finally
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{
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ignoreRefreshTreeView--;
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}
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if (TreeViewRefreshed != null)
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TreeViewRefreshed();
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});
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}
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private static Pool PoolAncestorOfNode(VirtualTreeNode node)
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{
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while (node != null)
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{
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var pool = node.Tag as Pool;
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if (pool != null)
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return pool;
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node = node.Parent;
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}
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return null;
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}
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private static Host HostAncestorOfNode(VirtualTreeNode node)
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{
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while (node != null)
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{
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var host = node.Tag as Host;
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if (host != null)
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return host;
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node = node.Parent;
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}
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return null;
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}
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private static GroupingTag GroupAncestorOfNode(VirtualTreeNode node)
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{
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while (node != null)
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{
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var group = node.Tag as GroupingTag;
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if (group != null)
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return group;
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node = node.Parent;
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}
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return null;
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}
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private bool CanDrag()
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{
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if (NavigationMode == NavigationPane.NavigationMode.Infrastructure
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|| NavigationMode == NavigationPane.NavigationMode.SavedSearch)
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{
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return Program.MainWindow.SelectionManager.Selection.AllItemsAre<Host>()
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|| Program.MainWindow.SelectionManager.Selection.AllItemsAre<VM>(vm => !vm.is_a_template);
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}
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foreach (SelectedItem item in Program.MainWindow.SelectionManager.Selection)
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{
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if (item.XenObject == null || item.Connection == null || !item.Connection.IsConnected)
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return false;
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}
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return true;
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}
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private List<DragDropCommand> GetDragDropCommands(VirtualTreeNode targetNode, IDataObject dragData)
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{
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List<DragDropCommand> commands = new List<DragDropCommand>();
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commands.Add(new DragDropAddHostToPoolCommand(Program.MainWindow, targetNode, dragData));
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commands.Add(new DragDropMigrateVMCommand(Program.MainWindow, targetNode, dragData));
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commands.Add(new DragDropRemoveHostFromPoolCommand(Program.MainWindow, targetNode, dragData));
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commands.Add(new DragDropCrossPoolMoveHaltedVMCommand(Program.MainWindow, targetNode, dragData));
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if (NavigationMode == NavigationPane.NavigationMode.Tags
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|| NavigationMode == NavigationPane.NavigationMode.Folders
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|| NavigationMode == NavigationPane.NavigationMode.CustomFields
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|| NavigationMode == NavigationPane.NavigationMode.vApps)
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{
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commands.Add(new DragDropTagCommand(Program.MainWindow, targetNode, dragData));
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commands.Add(new DragDropIntoFolderCommand(Program.MainWindow, targetNode, dragData));
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}
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return commands;
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}
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private void ClearHighlightedDragTarget()
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{
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if (_highlightedDragTarget != null)
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{
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_highlightedDragTarget.BackColor = treeView.BackColor;
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_highlightedDragTarget.ForeColor = treeView.ForeColor;
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_highlightedDragTarget = null;
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treeBuilder.HighlightedDragTarget = null;
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if (DragDropCommandActivated != null)
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DragDropCommandActivated(null);
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}
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}
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private void HandleNodeRightClick(VirtualTreeNodeMouseClickEventArgs e)
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{
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if (e.Button != MouseButtons.Right)
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return;
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if (treeView.SelectedNodes.Count == 0)
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{
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treeView.SelectedNode = e.Node;
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if (treeView.SelectedNode != e.Node) // if node is unselectable in TreeView_BeforeSelect: CA-26615
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{
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return;
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}
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}
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if (TreeNodeRightClicked != null)
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TreeNodeRightClicked();
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TreeContextMenu.Items.Clear();
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if (e.Node == treeView.Nodes[0] && treeView.SelectedNodes.Count == 1)
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{
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if (e.Node.Tag == null)// XenCenter (top most)
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{
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TreeContextMenu.Items.Add(new CommandToolStripMenuItem(new AddHostCommand(Program.MainWindow), true));
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TreeContextMenu.Items.Add(new CommandToolStripMenuItem(new NewPoolCommand(Program.MainWindow, new SelectedItem[0]), true));
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TreeContextMenu.Items.Add(new CommandToolStripMenuItem(new ConnectAllHostsCommand(Program.MainWindow), true));
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TreeContextMenu.Items.Add(new CommandToolStripMenuItem(new DisconnectAllHostsCommand(Program.MainWindow), true));
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}
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else
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{
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var groupingTag = e.Node.Tag as GroupingTag;
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if (groupingTag != null && groupingTag.Grouping as OrganizationViewFolders != null)
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TreeContextMenu.Items.Add(new CommandToolStripMenuItem(
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new NewFolderCommand(Program.MainWindow, new[] { new SelectedItem(groupingTag, e.Node) }),
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true));
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}
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}
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else
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{
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TreeContextMenu.Items.AddRange(Program.MainWindow.ContextMenuBuilder.Build(Program.MainWindow.SelectionManager.Selection));
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}
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int insertIndex = TreeContextMenu.Items.Count;
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if (TreeContextMenu.Items.Count > 0)
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{
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CommandToolStripMenuItem lastItem = TreeContextMenu.Items[TreeContextMenu.Items.Count - 1] as CommandToolStripMenuItem;
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if (lastItem != null && lastItem.Command is PropertiesCommand)
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insertIndex--;
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}
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AddExpandCollapseItems(insertIndex, treeView.SelectedNodes);
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AddOrgViewItems(insertIndex, treeView.SelectedNodes);
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if (TreeContextMenu.Items.Count > 0)
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{
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TreeContextMenu.Show(treeView.PointToScreen(Point.Empty) + (Size)treeView.LastMouseDownEventPosition);
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}
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}
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private void AddExpandCollapseItems(int insertIndex, IList<VirtualTreeNode> nodes)
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{
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if (nodes.Count == 1 && nodes[0].Nodes.Count == 0)
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return;
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Command cmd = new CollapseChildTreeNodesCommand(Program.MainWindow, nodes);
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if (cmd.CanExecute())
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TreeContextMenu.Items.Insert(insertIndex, new CommandToolStripMenuItem(cmd, true));
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cmd = new ExpandTreeNodesCommand(Program.MainWindow, nodes);
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if (cmd.CanExecute())
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TreeContextMenu.Items.Insert(insertIndex, new CommandToolStripMenuItem(cmd, true));
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}
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private void AddOrgViewItems(int insertIndex, IList<VirtualTreeNode> nodes)
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{
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if (NavigationMode == NavigationPane.NavigationMode.Infrastructure
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|| NavigationMode == NavigationPane.NavigationMode.SavedSearch
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|| NavigationMode == NavigationPane.NavigationMode.Notifications
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|| nodes.Count == 0)
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{
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return;
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}
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Command cmd = new RemoveFromFolderCommand(Program.MainWindow, nodes);
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if (cmd.CanExecute())
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TreeContextMenu.Items.Insert(insertIndex, new CommandToolStripMenuItem(cmd, true));
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cmd = new UntagCommand(Program.MainWindow, nodes);
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if (cmd.CanExecute())
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TreeContextMenu.Items.Insert(insertIndex, new CommandToolStripMenuItem(cmd, true));
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}
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private void treeView_AfterLabelEdit(object sender, VirtualNodeLabelEditEventArgs e)
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{
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VirtualTreeNode node = e.Node;
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treeView.LabelEdit = false;
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Folder folder = e.Node.Tag as Folder;
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GroupingTag groupingTag = e.Node.Tag as GroupingTag;
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Command command = null;
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object newTag = null;
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EventHandler<RenameCompletedEventArgs> completed = delegate(object s, RenameCompletedEventArgs ee)
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{
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Program.Invoke(this, delegate
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{
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ResumeRefreshTreeView();
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if (ee.Success)
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{
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// the new tag is updated on the node here. This ensures that the node stays selected
|
|
// when the treeview is refreshed. If you don't set the tag like this, the treeview refresh code notices
|
|
// that the tags are different and selects the parent node instead of this node.
|
|
|
|
// if the command fails for some reason, the refresh code will correctly revert the tag back to the original.
|
|
node.Tag = newTag;
|
|
RefreshTreeView();
|
|
|
|
// since the selected node doesn't actually change, then a selectionsChanged message doesn't get fired
|
|
// and the selection doesn't get updated to be the new tag/folder. Do it manually here instead.
|
|
treeView_SelectionsChanged(treeView, EventArgs.Empty);
|
|
}
|
|
});
|
|
};
|
|
|
|
if (!string.IsNullOrEmpty(e.Label))
|
|
{
|
|
if (folder != null)
|
|
{
|
|
RenameFolderCommand cmd = new RenameFolderCommand(Program.MainWindow, folder, e.Label);
|
|
command = cmd;
|
|
cmd.Completed += completed;
|
|
newTag = new Folder(null, e.Label);
|
|
}
|
|
else if (groupingTag != null)
|
|
{
|
|
RenameTagCommand cmd = new RenameTagCommand(Program.MainWindow, groupingTag.Group.ToString(), e.Label);
|
|
command = cmd;
|
|
cmd.Completed += completed;
|
|
newTag = new GroupingTag(groupingTag.Grouping, groupingTag.Parent, e.Label);
|
|
}
|
|
}
|
|
|
|
if (command != null && command.CanExecute())
|
|
{
|
|
command.Execute();
|
|
}
|
|
else
|
|
{
|
|
ResumeRefreshTreeView();
|
|
e.CancelEdit = true;
|
|
}
|
|
}
|
|
|
|
private void treeView_BeforeSelect(object sender, VirtualTreeViewCancelEventArgs e)
|
|
{
|
|
if (e.Node == null)
|
|
return;
|
|
|
|
if (!treeView.CanSelectNode(e.Node))
|
|
{
|
|
e.Cancel = true;
|
|
return;
|
|
}
|
|
|
|
if (TreeNodeBeforeSelected != null)
|
|
TreeNodeBeforeSelected();
|
|
}
|
|
|
|
private void treeView_ItemDrag(object sender, VirtualTreeViewItemDragEventArgs e)
|
|
{
|
|
foreach (VirtualTreeNode node in e.Nodes)
|
|
{
|
|
if (node == null || node.TreeView == null)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
|
|
// select the node if it isn't already selected
|
|
if (e.Nodes.Count == 1 && treeView.SelectedNode != e.Nodes[0])
|
|
{
|
|
treeView.SelectedNode = e.Nodes[0];
|
|
}
|
|
|
|
if (CanDrag())
|
|
{
|
|
DoDragDrop(new List<VirtualTreeNode>(e.Nodes).ToArray(), DragDropEffects.Move);
|
|
}
|
|
}
|
|
|
|
private void treeView_DragDrop(object sender, DragEventArgs e)
|
|
{
|
|
ClearHighlightedDragTarget();
|
|
|
|
VirtualTreeNode targetNode = treeView.GetNodeAt(treeView.PointToClient(new Point(e.X, e.Y)));
|
|
|
|
foreach (DragDropCommand cmd in GetDragDropCommands(targetNode, e.Data))
|
|
{
|
|
if (cmd.CanExecute())
|
|
{
|
|
cmd.Execute();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void treeView_DragEnter(object sender, DragEventArgs e)
|
|
{
|
|
e.Effect = DragDropEffects.None;
|
|
VirtualTreeNode targetNode = treeView.GetNodeAt(treeView.PointToClient(new Point(e.X, e.Y)));
|
|
foreach (DragDropCommand cmd in GetDragDropCommands(targetNode, e.Data))
|
|
{
|
|
if (cmd.CanExecute())
|
|
{
|
|
e.Effect = DragDropEffects.Move;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void treeView_DragLeave(object sender, EventArgs e)
|
|
{
|
|
ClearHighlightedDragTarget();
|
|
}
|
|
|
|
private void treeView_DragOver(object sender, DragEventArgs e)
|
|
{
|
|
// CA-11457: When dragging in resource tree, view doesn't scroll
|
|
// http://www.fmsinc.com/freE/NewTips/NET/NETtip21.asp
|
|
|
|
const int SCROLL_REGION = 20;
|
|
|
|
Point pt = treeView.PointToClient(Cursor.Position);
|
|
VirtualTreeNode targetNode = treeView.GetNodeAt(treeView.PointToClient(new Point(e.X, e.Y)));
|
|
|
|
if ((pt.Y + SCROLL_REGION) > treeView.Height)
|
|
{
|
|
Win32.SendMessage(treeView.Handle, Win32.WM_VSCROLL, new IntPtr(1), IntPtr.Zero);
|
|
}
|
|
else if (pt.Y < SCROLL_REGION)
|
|
{
|
|
Win32.SendMessage(treeView.Handle, Win32.WM_VSCROLL, IntPtr.Zero, IntPtr.Zero);
|
|
}
|
|
|
|
VirtualTreeNode targetToHighlight = null;
|
|
|
|
string statusBarText = null;
|
|
foreach (DragDropCommand cmd in GetDragDropCommands(targetNode, e.Data))
|
|
{
|
|
if (cmd.CanExecute())
|
|
targetToHighlight = cmd.HighlightNode;
|
|
|
|
if (cmd.StatusBarText != null)
|
|
statusBarText = cmd.StatusBarText;
|
|
}
|
|
|
|
if (DragDropCommandActivated != null)
|
|
DragDropCommandActivated(statusBarText);
|
|
|
|
if (targetToHighlight != null)
|
|
{
|
|
if (_highlightedDragTarget != targetToHighlight)
|
|
{
|
|
ClearHighlightedDragTarget();
|
|
treeBuilder.HighlightedDragTarget = targetToHighlight.Tag;
|
|
_highlightedDragTarget = targetToHighlight;
|
|
_highlightedDragTarget.BackColor = SystemColors.Highlight;
|
|
_highlightedDragTarget.ForeColor = SystemColors.HighlightText;
|
|
}
|
|
e.Effect = DragDropEffects.Move;
|
|
}
|
|
else
|
|
{
|
|
ClearHighlightedDragTarget();
|
|
e.Effect = DragDropEffects.None;
|
|
}
|
|
}
|
|
|
|
private void treeView_KeyUp(object sender, KeyEventArgs e)
|
|
{
|
|
switch (e.KeyCode)
|
|
{
|
|
case Keys.Apps:
|
|
if (treeView.SelectedNode != null)
|
|
{
|
|
treeView.SelectedNode.EnsureVisible();
|
|
HandleNodeRightClick(new VirtualTreeNodeMouseClickEventArgs(treeView.SelectedNode,
|
|
MouseButtons.Right, 1,
|
|
treeView.SelectedNode.Bounds.X,
|
|
treeView.SelectedNode.Bounds.Y + treeView.SelectedNode.Bounds.Height));
|
|
}
|
|
break;
|
|
|
|
case Keys.F2:
|
|
var cmd = new PropertiesCommand(Program.MainWindow, Program.MainWindow.SelectionManager.Selection);
|
|
if (cmd.CanExecute())
|
|
cmd.Execute();
|
|
break;
|
|
}
|
|
}
|
|
|
|
private void treeView_NodeMouseClick(object sender, VirtualTreeNodeMouseClickEventArgs e)
|
|
{
|
|
try
|
|
{
|
|
if (treeView.Nodes.Count > 0)
|
|
HandleNodeRightClick(e);
|
|
|
|
if (TreeNodeClicked != null)
|
|
TreeNodeClicked();
|
|
}
|
|
catch (Exception exn)
|
|
{
|
|
log.Error(exn, exn);
|
|
// Swallow this exception -- there's no point throwing it on.
|
|
#if DEBUG
|
|
throw;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
private void treeView_NodeMouseDoubleClick(object sender, VirtualTreeNodeMouseClickEventArgs e)
|
|
{
|
|
if (e.Button != MouseButtons.Left)
|
|
return;
|
|
if (e.Node == null)
|
|
return;
|
|
|
|
IXenConnection conn = e.Node.Tag as IXenConnection;
|
|
if (conn == null)
|
|
{
|
|
var obj = e.Node.Tag as IXenObject;
|
|
if (obj != null)
|
|
conn = obj.Connection;
|
|
}
|
|
if (conn != null && !conn.IsConnected)
|
|
{
|
|
new ReconnectHostCommand(Program.MainWindow, conn).Execute();
|
|
return;
|
|
}
|
|
|
|
VM vm = e.Node.Tag as VM;
|
|
if (vm != null)
|
|
{
|
|
Command cmd = null;
|
|
|
|
if (vm.is_a_template)
|
|
{
|
|
cmd = new NewVMCommand(Program.MainWindow, Program.MainWindow.SelectionManager.Selection);
|
|
}
|
|
else if (vm.power_state == vm_power_state.Halted && vm.allowed_operations.Contains(vm_operations.start))
|
|
{
|
|
cmd = new StartVMCommand(Program.MainWindow, Program.MainWindow.SelectionManager.Selection);
|
|
}
|
|
else if (vm.power_state == vm_power_state.Suspended && vm.allowed_operations.Contains(vm_operations.resume))
|
|
{
|
|
cmd = new ResumeVMCommand(Program.MainWindow, Program.MainWindow.SelectionManager.Selection);
|
|
}
|
|
|
|
if (cmd != null && cmd.CanExecute())
|
|
{
|
|
treeView.SelectedNode = e.Node;
|
|
cmd.Execute();
|
|
}
|
|
return;
|
|
}
|
|
|
|
Host host = e.Node.Tag as Host;
|
|
if (host != null)
|
|
{
|
|
Command cmd = new PowerOnHostCommand(Program.MainWindow, host);
|
|
if (cmd.CanExecute())
|
|
{
|
|
treeView.SelectedNode = e.Node;
|
|
cmd.Execute();
|
|
}
|
|
}
|
|
}
|
|
|
|
private void treeView_SelectionsChanged(object sender, EventArgs e)
|
|
{
|
|
// this is fired when the selection of the main treeview changes.
|
|
VirtualTreeNode rootNode = treeView.Nodes.Count > 0 ? treeView.Nodes[0] : null;
|
|
List<SelectedItem> items = new List<SelectedItem>();
|
|
foreach (VirtualTreeNode node in treeView.SelectedNodes)
|
|
{
|
|
GroupingTag groupingTag = node.Tag as GroupingTag;
|
|
IXenObject xenObject = node.Tag as IXenObject;
|
|
|
|
if (xenObject != null)
|
|
{
|
|
items.Add(new SelectedItem(xenObject, xenObject.Connection,
|
|
HostAncestorOfNode(node), PoolAncestorOfNode(node),
|
|
GroupAncestorOfNode(node), rootNode));
|
|
}
|
|
else
|
|
{
|
|
items.Add(new SelectedItem(groupingTag, rootNode));
|
|
}
|
|
}
|
|
|
|
selectionManager.SetSelection(items);
|
|
|
|
if (TreeViewSelectionChanged != null)
|
|
TreeViewSelectionChanged();
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|