mirror of
https://github.com/xcp-ng/xenadmin.git
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569 lines
19 KiB
C#
569 lines
19 KiB
C#
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/* 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 XenAdmin.Model;
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using XenAdmin.Network;
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using System.Collections;
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using XenAPI;
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using XenAdmin.Core;
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using XenAdmin.Network.StorageLink;
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// I think this is more complicated then it needs to be. Rather than have three different types of nodes,
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// depending on the grouping of the next level, we should just have one type of node and do something like
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// foreach (IXenObject o in XenSearchableObjects)
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// foreach (Grouping g in search.Grouping)
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// add node for the group;
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// add node for the object;
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// SRET 2009-04-28
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namespace XenAdmin.XenSearch
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{
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public interface IAcceptGroups
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{
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IAcceptGroups Add(Grouping grouping, Object group, int indent);
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void FinishedInThisGroup(bool defaultExpand);
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}
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public abstract class Group
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{
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public static Group GetGrouped(Search search)
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{
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Group group = GetGroupFor(null, search, search.EffectiveGrouping);
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GetGrouped(search, group);
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return group;
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}
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protected static Group GetGroupFor(Grouping grouping, Search search, Grouping subgrouping)
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{
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if (grouping is FolderGrouping)
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return new FolderGroup(search, grouping);
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else if (subgrouping == null)
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return new LeafGroup(search);
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else
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return new NodeGroup(search, subgrouping);
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}
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private static void GetGrouped(Search search, Group group)
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{
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search.Items = 0;
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foreach (IXenConnection connection in ConnectionsManager.XenConnectionsCopy)
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{
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if (connection.IsConnected && Helpers.GetPoolOfOne(connection) != null)
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{
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foreach (IXenObject o in connection.Cache.XenSearchableObjects)
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if (!Hide(o))
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group.FilterAdd(search.Query,o );
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}
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else
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{
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// Fake out disconnected connections with a host.
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// We do this because IXenConnection is not an IXenObject, and so
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// is not XenSearchable and cannot be put in the treeview.
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Host disconnectedHost = new Host();
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disconnectedHost.opaque_ref = connection.HostnameWithPort;
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disconnectedHost.name_label = Helpers.GetName(connection);
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disconnectedHost.Connection = connection;
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group.FilterAdd(search.Query, disconnectedHost);
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}
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}
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if (Search.GetStorageLinkConnectionsCopy != null)
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{
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List<StorageLinkConnection> storageLinkConnections = Search.GetStorageLinkConnectionsCopy();
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foreach (StorageLinkConnection storageLinkConnection in storageLinkConnections)
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{
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foreach (IXenObject o in storageLinkConnection.Cache.XenSearchableObjects(ConnectionsManager.XenConnectionsCopy))
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{
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if (!Hide(o))
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group.FilterAdd(search.Query, o);
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}
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}
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}
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}
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private static bool Hide(IXenObject o)
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{
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if (XenAdminConfigManager.Provider.ObjectIsHidden(o.opaque_ref))
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return true;
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if (o is VM)
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{
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VM vm = o as VM;
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if (vm.is_control_domain
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|| !vm.Show(XenAdminConfigManager.Provider.ShowHiddenVMs))
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return true;
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// Hide VMs on non-live hosts
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Host host = vm.Home();
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if (host != null && !host.IsLive)
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return true;
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}
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else if (o is SR)
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{
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SR sr = o as SR;
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if (!sr.Show(XenAdminConfigManager.Provider.ShowHiddenVMs) || sr.IsToolsSR)
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return true;
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// Hide SRs on non-live hosts
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Host host = sr.Home;
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if (host != null && !host.IsLive)
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return true;
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}
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else if (o is XenAPI.Network)
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{
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XenAPI.Network network = o as XenAPI.Network;
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return !network.Show(XenAdminConfigManager.Provider.ShowHiddenVMs);
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}
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else if (o is Folder)
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{
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// Hide the root folder
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Folder folder = o as Folder;
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return folder.IsRootFolder;
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}
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return false;
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}
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protected readonly Search search;
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protected Group(Search search)
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{
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this.search = search;
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}
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protected int Compare(Object _1, Object _2)
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{
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return Compare(_1, _2, search);
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}
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protected int CompareGroupKeys(GroupKey _1, GroupKey _2)
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{
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return Compare(_1.key, _2.key);
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}
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public static int Compare(Object _1, Object _2, Search search)
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{
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// 1) Non-IXMOs always come before IXMOs. This is because if they're at the
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// same level, they represent grouped items vs ungrouped items.
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IXenObject i1 = _1 as IXenObject;
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IXenObject i2 = _2 as IXenObject;
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if (i1 != null && i2 == null)
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return 1;
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if (i1 == null && i2 != null)
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return -1;
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// 2) Try and separate them using the requested sorting, if any
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if (search != null && search.Sorting != null)
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{
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foreach (Sort sort in search.Sorting)
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{
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int r = sort.Compare(_1, _2);
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if (r != 0)
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return r;
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}
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}
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// 3) If that failed, sort by type (for IXMOs);
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// if they're of the same type, the built-in sort for the type (not always alphabetical: see CA-27829);
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// if those still don't separate them, object name.
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if (i1 != null && i2 != null)
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{
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int r = CompareByType(i1, i2);
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if (r != 0)
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return r;
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}
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if (_1.GetType() == _2.GetType() && _1 is IComparable)
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{
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int r = Comparer.Default.Compare(_1, _2);
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if (r != 0)
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return r;
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}
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string s1 = (i1 == null ? _1.ToString() : Helpers.GetName(i1));
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string s2 = (i2 == null ? _2.ToString() : Helpers.GetName(i2));
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return StringUtility.NaturalCompare(s1, s2);
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}
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// Compare two IXMOs by type. I wanted to use the proper user-facing type from
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// PropertyAccessors.properties[PropertyNames.type] but it turned out to be much
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// too slow. Instead we use the type of the object with a few tweaks to sort
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// important objects first.
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private static int CompareByType(IXenObject _1, IXenObject _2)
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{
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string t1 = TypeOf(_1);
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string t2 = TypeOf(_2);
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return t1.CompareTo(t2);
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}
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private static string TypeOf(IXenObject o)
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{
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if (o is Folder)
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return "10";
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if (o is Pool)
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return "20";
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if (o is Host)
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return "30";
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VM vm = o as VM;
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if (vm != null && vm.is_a_real_vm)
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return "40";
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return o.GetType().ToString();
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}
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private void FilterAdd(Query query, IXenObject o)
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{
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if (query == null || !query.Match(o))
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return;
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Add(o);
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}
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public abstract void Add(IXenObject o);
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public virtual bool Populate(IAcceptGroups adapter)
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{
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return Populate(adapter, 0, true);
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}
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public abstract bool Populate(IAcceptGroups adapter, int indent, bool defaultExpand);
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public abstract void PopulateFor(IAcceptGroups adapter, GroupKey group, int indent, bool defaultExpand);
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public abstract void GetNextLevel(List<GroupKey> nextLevel);
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}
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public struct GroupKey
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{
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public Grouping grouping;
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public object key;
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public GroupKey(Grouping grouping, object key)
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{
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this.grouping = grouping;
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this.key = key;
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}
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}
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public abstract class AbstractNodeGroup : Group
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{
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protected readonly Dictionary<GroupKey, Group> grouped;
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protected Group ungrouped = null; //this is late bound
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protected readonly Grouping grouping;
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protected AbstractNodeGroup(Search search, Grouping grouping)
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: base(search)
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{
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this.grouped = new Dictionary<GroupKey, Group>();
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this.grouping = grouping;
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}
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public override bool Populate(IAcceptGroups adapter)
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{
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return Populate(adapter, 0, false);
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}
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public override bool Populate(IAcceptGroups adapter, int indent, bool defaultExpand)
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{
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bool added = false;
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List<GroupKey> groups = new List<GroupKey>();
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GetNextLevel(groups);
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groups.Sort(CompareGroupKeys);
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foreach (GroupKey group in groups)
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{
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IAcceptGroups subAdapter = adapter.Add(group.grouping, group.key, indent);
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if (subAdapter == null)
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continue;
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added = true;
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PopulateFor(subAdapter, group, indent + 1, defaultExpand);
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}
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adapter.FinishedInThisGroup(defaultExpand);
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return added;
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}
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public override void PopulateFor(IAcceptGroups adapter, GroupKey group, int indent, bool defaultExpand)
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{
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if (grouped.ContainsKey(group))
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{
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grouped[group].Populate(adapter, indent, defaultExpand);
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}
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else if (ungrouped != null)
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{
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ungrouped.PopulateFor(adapter, group, indent, defaultExpand);
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}
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}
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public override void GetNextLevel(List<GroupKey> nextLevel)
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{
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nextLevel.AddRange(grouped.Keys);
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if(ungrouped != null)
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ungrouped.GetNextLevel(nextLevel);
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}
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public Group FindOrAddSubgroup(Grouping grouping, object o, Grouping subgrouping)
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{
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GroupKey key = new GroupKey(grouping, o);
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if (!grouped.ContainsKey(key))
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grouped[key] = GetGroupFor(grouping, search, subgrouping);
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return grouped[key];
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}
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|||
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}
|
|||
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|
|||
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public class NodeGroup : AbstractNodeGroup
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{
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public NodeGroup(Search search, Grouping grouping)
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|||
|
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: base(search, grouping)
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|||
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{
|
|||
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}
|
|||
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|
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public override void Add(IXenObject o)
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{
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if (grouping.BelongsAsGroupNotMember(o))
|
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{
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GroupKey key = new GroupKey(grouping, o);
|
|||
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if (!grouped.ContainsKey(key))
|
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grouped[key] = GetGroupFor(grouping, search, grouping.subgrouping);
|
|||
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return;
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}
|
|||
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Object group = grouping.GetGroup(o);
|
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if (group == null)
|
|||
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{
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AddUngrouped(o);
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return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
IList groups = group as IList;
|
|||
|
|
|
|||
|
|
if (groups == null)
|
|||
|
|
{
|
|||
|
|
AddGrouped(o, group);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (groups.Count == 0)
|
|||
|
|
{
|
|||
|
|
AddUngrouped(o);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
foreach (Object g in groups)
|
|||
|
|
{
|
|||
|
|
if (g == null)
|
|||
|
|
{
|
|||
|
|
AddUngrouped(o);
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
AddGrouped(o, g);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void AddGrouped(IXenObject o, Object group)
|
|||
|
|
{
|
|||
|
|
// We sometimes need to apply the query to the group. For example, suppose VM 1
|
|||
|
|
// is connected to Network 1 and Network 2. Then "VMs grouped by Network" will
|
|||
|
|
// show
|
|||
|
|
//
|
|||
|
|
// -- Network 1
|
|||
|
|
// -- VM 1
|
|||
|
|
// -- Network 2
|
|||
|
|
// -- VM 1
|
|||
|
|
//
|
|||
|
|
// So far so good. Now consider "VMs connected to Network 1 grouped by Network".
|
|||
|
|
// Without the following piece of code, that would show exactly the same thing:
|
|||
|
|
// because the second VM 1 is connected to Network 1, and is correctly grouped
|
|||
|
|
// in Network 2. But what the user presumably wanted to see was just Network 1
|
|||
|
|
// with its VMs under it: and that is achieved by applying the filter to the
|
|||
|
|
// networks.
|
|||
|
|
//
|
|||
|
|
// The consequence when adding new searches is that a search that returns a
|
|||
|
|
// XenObject of type T must return (T)o rather than null when o is a T,
|
|||
|
|
// otherwise if you both group and filter by that type, the group will fail
|
|||
|
|
// to match the filter and you'll get no results.
|
|||
|
|
//
|
|||
|
|
IXenObject groupModelObject = group as IXenObject;
|
|||
|
|
|
|||
|
|
if (groupModelObject != null && XenAdminConfigManager.Provider.ObjectIsHidden(groupModelObject.opaque_ref))
|
|||
|
|
{
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (search.Query != null && groupModelObject != null)
|
|||
|
|
{
|
|||
|
|
QueryFilter subquery = grouping.GetRelevantGroupQuery(search);
|
|||
|
|
if (subquery != null && subquery.Match(groupModelObject) == false)
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Group nextGroup;
|
|||
|
|
|
|||
|
|
// Some types of grouping can add several levels to the hierarchy.
|
|||
|
|
// This should not be confused with the IList in Add(IXenObject o):
|
|||
|
|
// that adds the item to several groups, whereas this adds it to a
|
|||
|
|
// single group several levels deep. In order to reach here,
|
|||
|
|
// grouping.GetGroup(o) must return a list of arrays.
|
|||
|
|
//
|
|||
|
|
// NB We don't do the GetRelevantGroupQuery() check as above for the
|
|||
|
|
// groups added in this way because we never need it: but if we ever
|
|||
|
|
// add it, we should probably do a first pass to check all the groups
|
|||
|
|
// first before adding any.
|
|||
|
|
Array groups = group as Array;
|
|||
|
|
if (groups != null)
|
|||
|
|
{
|
|||
|
|
nextGroup = this;
|
|||
|
|
for (int i = 0; i < groups.Length; ++i)
|
|||
|
|
{
|
|||
|
|
Grouping gr = (i == groups.Length - 1 ? grouping.subgrouping : grouping);
|
|||
|
|
nextGroup = (nextGroup as AbstractNodeGroup).FindOrAddSubgroup(grouping, groups.GetValue(i), gr);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
nextGroup = FindOrAddSubgroup(grouping, group, grouping.subgrouping);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
nextGroup.Add(o);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
protected void AddUngrouped(IXenObject o)
|
|||
|
|
{
|
|||
|
|
if (!XenAdminConfigManager.Provider.ObjectIsHidden(o.opaque_ref))
|
|||
|
|
{
|
|||
|
|
if (ungrouped == null)
|
|||
|
|
ungrouped = GetGroupFor(grouping, search, grouping.subgrouping);
|
|||
|
|
|
|||
|
|
|
|||
|
|
ungrouped.Add(o);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public class FolderGroup : AbstractNodeGroup
|
|||
|
|
{
|
|||
|
|
public FolderGroup(Search search, Grouping grouping)
|
|||
|
|
: base(search, grouping)
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void Add(IXenObject o)
|
|||
|
|
{
|
|||
|
|
if (o is Folder)
|
|||
|
|
{
|
|||
|
|
GroupKey key = new GroupKey(grouping, o);
|
|||
|
|
if (!grouped.ContainsKey(key))
|
|||
|
|
grouped[key] = new FolderGroup(search, grouping);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if (ungrouped == null)
|
|||
|
|
ungrouped = new LeafGroup(search);
|
|||
|
|
ungrouped.Add(o);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public class LeafGroup : Group
|
|||
|
|
{
|
|||
|
|
internal readonly List<IXenObject> items;
|
|||
|
|
|
|||
|
|
public LeafGroup(Search search)
|
|||
|
|
: base(search)
|
|||
|
|
{
|
|||
|
|
this.items = new List<IXenObject>();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void Add(IXenObject o)
|
|||
|
|
{
|
|||
|
|
if (o is Folder && items.Contains(o)) // one folder can appear on several connections
|
|||
|
|
return;
|
|||
|
|
search.Items++;
|
|||
|
|
items.Add(o);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool Populate(IAcceptGroups adapter, int indent, bool defaultExpand)
|
|||
|
|
{
|
|||
|
|
bool added = false;
|
|||
|
|
|
|||
|
|
items.Sort(Compare);
|
|||
|
|
|
|||
|
|
foreach (IXenObject o in items)
|
|||
|
|
{
|
|||
|
|
IAcceptGroups subAdapter = adapter.Add(null, o, indent);
|
|||
|
|
|
|||
|
|
if (subAdapter != null)
|
|||
|
|
{
|
|||
|
|
added = true;
|
|||
|
|
subAdapter.FinishedInThisGroup(defaultExpand);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
adapter.FinishedInThisGroup(defaultExpand);
|
|||
|
|
|
|||
|
|
return added;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void GetNextLevel(List<GroupKey> nextLevel)
|
|||
|
|
{
|
|||
|
|
foreach(IXenObject item in items)
|
|||
|
|
nextLevel.Add(new GroupKey(null, item));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void PopulateFor(IAcceptGroups adapter, GroupKey group, int indent, bool defaultExpand)
|
|||
|
|
{
|
|||
|
|
adapter.FinishedInThisGroup(defaultExpand);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|