90 lines
2.6 KiB
C#
90 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using Newtonsoft.Json;
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namespace Sicentury.Core.Tree
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{
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public class TreeNodeSelectionGroupInfo
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{
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#region Constructors
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public TreeNodeSelectionGroupInfo()
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{
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SelectedTerminalNodes = new List<string>();
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}
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public TreeNodeSelectionGroupInfo(IEnumerable<string> collection)
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{
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SelectedTerminalNodes = new List<string>(collection);
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}
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#endregion
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#region Properties
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public List<string> SelectedTerminalNodes
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{
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get;
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}
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#endregion
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#region Methods
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/// <summary>
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/// 从指定的文件恢复节点选择
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/// </summary>
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/// <param name="fileName"></param>
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internal static void RecoveryFromJsonFile(string fileName, TreeNode treeRoot)
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{
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if (treeRoot == null)
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throw new ArgumentNullException(nameof(treeRoot));
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if (string.IsNullOrEmpty(fileName))
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throw new ArgumentException("the file name is not specified.", nameof(fileName));
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var json = File.ReadAllText(fileName);
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var info = JsonConvert.DeserializeObject<TreeNodeSelectionGroupInfo>(json);
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// 如果没有正确恢复Preset Group文件，则提示错误
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if (info.SelectedTerminalNodes == null)
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throw new JsonException($"the file of preset group might be incorrect.");
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treeRoot.UnselectAll();
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treeRoot.SuspendUpdate();
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var flattenTree = treeRoot.Flatten(true);
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info.SelectedTerminalNodes.ForEach(x =>
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{
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var matched = flattenTree.FirstOrDefault(f => f.ToString() == x.ToString());
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if (matched != null)
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matched.IsSelected = true;
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});
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treeRoot.ResumeUpdate();
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}
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internal static void SaveToJsonFile(string fileName, TreeNode treeRoot)
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{
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if (treeRoot == null)
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throw new ArgumentNullException(nameof(treeRoot));
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if (string.IsNullOrEmpty(fileName))
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throw new ArgumentException("the file name is not specified.", nameof(fileName));
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var selectedNodes =
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treeRoot.Flatten(true)
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.Where(x => x.IsSelected == true)
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.Select(x=>x.ToString());
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var info = new TreeNodeSelectionGroupInfo(selectedNodes);
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var json = JsonConvert.SerializeObject(info, Formatting.Indented);
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File.WriteAllText(fileName, json);
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}
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#endregion
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}
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}
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