105 lines
2.8 KiB
C#
105 lines
2.8 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System.Collections.Generic;
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namespace dnSpy.Contracts.TreeView {
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/// <summary>
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/// A tree node
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/// </summary>
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public interface ITreeNode {
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/// <summary>
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/// Gets the treeview
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/// </summary>
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ITreeView TreeView { get; }
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/// <summary>
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/// Gets the parent or null if it is the root node or if it hasn't been inserted into the
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/// treeview yet.
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/// </summary>
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ITreeNode? Parent { get; }
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/// <summary>
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/// Gets all children or an empty list if <see cref="LazyLoading"/> is true. See also
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/// <see cref="EnsureChildrenLoaded()"/>
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/// </summary>
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IList<ITreeNode> Children { get; }
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/// <summary>
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/// Gets all <see cref="TreeNodeData"/> children in <see cref="Children"/>. See also
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/// <see cref="EnsureChildrenLoaded()"/>
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/// </summary>
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IEnumerable<TreeNodeData> DataChildren { get; }
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/// <summary>
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/// Tree node data
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/// </summary>
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TreeNodeData Data { get; }
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/// <summary>
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/// Gets/sets lazy loading of children. When true, <see cref="TreeNodeData.CreateChildren()"/>
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/// will get called to load the children. Should only be used by <see cref="Data"/>
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/// </summary>
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bool LazyLoading { get; set; }
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/// <summary>
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/// true if it's expanded
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/// </summary>
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bool IsExpanded { get; set; }
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/// <summary>
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/// true if it's hidden
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/// </summary>
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bool IsHidden { get; set; }
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/// <summary>
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/// true when this node is not hidden and all parent nodes are expanded and not hidden
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/// </summary>
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bool IsVisible { get; }
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/// <summary>
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/// Forces loading of <see cref="Children"/>
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/// </summary>
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void EnsureChildrenLoaded();
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/// <summary>
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/// Adds a new node to <see cref="Children"/>
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/// </summary>
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/// <param name="node">Node to insert</param>
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void AddChild(ITreeNode node);
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/// <summary>
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/// Gets all descendants
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/// </summary>
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/// <returns></returns>
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IEnumerable<ITreeNode> Descendants();
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/// <summary>
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/// Gets all descendants including itself
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/// </summary>
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/// <returns></returns>
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IEnumerable<ITreeNode> DescendantsAndSelf();
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/// <summary>
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/// Refreshes the UI
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/// </summary>
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void RefreshUI();
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}
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}
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