添加选择面板

ItemInfoPanel.cs

@@ -0,0 +1,103 @@
+using Godot;
+using Godot.Collections;
+using Learn.Models;
+
+public partial class ItemInfoPanel : Tree
+{
+	private Item _item;
+
+	#region Columns Definitions
+	private const int EmptyColumn = 0;
+	private const int KeyColumn = 1;
+	private const int ValueColumn = 2;
+	#endregion
+	
+	public override void _Ready()
+	{
+		Columns = 3;
+		SetColumnTitlesVisible(true);
+		
+		SetColumnCustomMinimumWidth(EmptyColumn, 30);
+		SetColumnExpand(EmptyColumn, false);
+		
+		SetColumnTitle(KeyColumn, "键");
+		SetColumnCustomMinimumWidth(KeyColumn, 100);
+		SetColumnExpand(KeyColumn, false);
+		
+		SetColumnTitle(ValueColumn, "值");
+		SetColumnExpand(ValueColumn, true);
+
+		ItemEdited += OnItemEdited;
+	}
+
+	private readonly Dictionary<TreeItem, string> _nodeKeys = new ();
+	
+	private void OnItemEdited()
+	{
+		var node = GetEdited();
+		var prevKey = _nodeKeys[node];
+		var currentKey = node.GetText(KeyColumn);
+		var value = node.GetText(ValueColumn);
+		if (prevKey != currentKey)
+		{
+			_item.Info.Remove(prevKey);
+		}
+		_item.Info[currentKey] = value;
+	}
+
+	public void SetCurrentItem(Item item)
+	{
+		_item = item;
+		OnCurrentItemChanged();
+	}
+	
+	private void OnCurrentItemChanged()
+	{
+		Clear();
+		_nodeKeys.Clear();
+		if (_item == null) return;
+		var root = CreateItem();
+		foreach (var kv in _item.Info)
+		{
+			var key = kv.Key;
+			var value = kv.Value;
+			var node = CreateItem(root);
+			
+			node.SetText(KeyColumn, key);
+			node.SetText(ValueColumn, value);
+			node.SetEditable(KeyColumn, true);
+			node.SetEditable(ValueColumn, true);
+			_nodeKeys.Add(node, key);
+		}
+	}
+
+	private void AddKeyValue()
+	{
+		if(_item == null) return;
+		var newFieldName = "newField";
+		int index = 0;
+		while (_item.Info.ContainsKey(newFieldName + (index == 0 ? "" : index.ToString())))
+		{
+			index += 1;
+		}
+		newFieldName += (index == 0 ? "" : index.ToString());
+		_item.Info.Add(newFieldName, "");
+		OnCurrentItemChanged();
+	}
+
+	private void RemoveKeyValue()
+	{
+		if(_item == null) return;
+
+		var node = GetSelected();
+		var root = GetRoot();
+		while (node != null)
+		{
+			_item.Info.Remove(_nodeKeys[node]);
+			_nodeKeys.Remove(node);
+			var next = GetNextSelected(node);
+			root.RemoveChild(node);
+			node = next;
+		}
+	}
+}

ItemInfoPanel.cs.uid

@@ -0,0 +1 @@
+uid://dxkhiggkgqs6

Learn.sln.DotSettings.user

@@ -0,0 +1,3 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ATreeItem_002Ecs_002Fl_003AC_0021_003FUsers_003Flianzefeng_003FAppData_003FRoaming_003FJetBrains_003FRider2024_002E2_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003F1c378f459c054fecaf4484a0fa6d44c055a800_003F1d_003Fbc7bd422_003FTreeItem_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ATree_002Ecs_002Fl_003AC_0021_003FUsers_003Flianzefeng_003FAppData_003FRoaming_003FJetBrains_003FRider2024_002E2_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003F1c378f459c054fecaf4484a0fa6d44c055a800_003F9d_003Fbcfb64ab_003FTree_002Ecs/@EntryIndexedValue">ForceIncluded</s:String></wpf:ResourceDictionary>

LearnTree.cs

@@ -7,50 +7,19 @@ public partial class LearnTree : Tree
 {
 	[Export]
 	private FileDirSelector _dirSelector;
+	[Export]
+	private ItemInfoPanel _itemInfoPanel;
 	
 	public override void _Ready()
 	{
-		
+		MultiSelected += OnMultiSelected;
-		
-		ItemSelected += OnItemSelected;
-		
-		
 	}
 
-	private void OnItemSelected()
+	private void OnMultiSelected(TreeItem item, long column, bool selected)
 	{
-		TreeItem selected = GetSelected();
+		TreeItem first = GetSelected();
-		if (selected != null)
+		if (first != null) _itemInfoPanel.SetCurrentItem(_mapper[first]);
-		{
+		else _itemInfoPanel.SetCurrentItem(null);
-			GD.Print($"选中了: {selected.GetText(0)}");
-		}
-	}
-
-	private void Setup()
-	{
-		// 1. 设置列数
-		Columns = 2;
-        
-		// 设置标题 (需要在属性面板开启 Column Title Visible，或者代码开启)
-		SetColumnTitle(0, "角色 (Role)");
-		SetColumnTitle(1, "状态 (Status)");
-		SetColumnTitlesVisible(true);
-
-		// 2. 创建根节点 (Root)
-		// CreateItem() 不传参数即为根节点
-		TreeItem root = CreateItem();
-		root.SetText(0, "所有单位");
-
-		// 3. 创建子节点
-		// 传入父节点作为参数
-		TreeItem warrior = CreateItem(root);
-		warrior.SetText(0, "战士");
-		warrior.SetText(1, "HP: 100");
-
-		// 4. 创建层级更深的节点
-		TreeItem sword = CreateItem(warrior);
-		sword.SetText(0, "铁剑");
-		sword.SetText(1, "攻击力: 12");
 	}
 
 	private readonly Dictionary<TreeItem, Item> _mapper = new();

tree.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=3 format=3 uid="uid://b3ypva4l8wfoh"]
+[gd_scene load_steps=4 format=3 uid="uid://b3ypva4l8wfoh"]
 
 [ext_resource type="Script" uid="uid://bngqk8kje5m2k" path="res://LearnTree.cs" id="1_brfkd"]
+[ext_resource type="Script" uid="uid://dxkhiggkgqs6" path="res://ItemInfoPanel.cs" id="2_gvmkm"]
 [ext_resource type="Script" uid="uid://hbu73fxqen34" path="res://FileDirSelector.cs" id="2_nnvrw"]
 
 [node name="Control" type="Control"]
@@ -27,17 +28,46 @@ layout_mode = 2
 size_flags_vertical = 4
 text = "打开文件夹"
 
-[node name="Content" type="HBoxContainer" parent="VBoxContainer"]
+[node name="HSplitContainer" type="HSplitContainer" parent="VBoxContainer"]
 layout_mode = 2
 size_flags_vertical = 3
 
-[node name="Tree" type="Tree" parent="VBoxContainer/Content" node_paths=PackedStringArray("_dirSelector")]
+[node name="Tree" type="Tree" parent="VBoxContainer/HSplitContainer" node_paths=PackedStringArray("_dirSelector", "_itemInfoPanel")]
+custom_minimum_size = Vector2(700, 0)
 layout_mode = 2
-size_flags_horizontal = 3
+allow_search = false
+hide_root = true
+select_mode = 2
 script = ExtResource("1_brfkd")
 _dirSelector = NodePath("../../../FileDirDialog")
+_itemInfoPanel = NodePath("../VBoxContainer/ItemInfoPanel")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="VBoxContainer/HSplitContainer"]
+layout_mode = 2
+
+[node name="HBoxContainer" type="HBoxContainer" parent="VBoxContainer/HSplitContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="Add" type="Button" parent="VBoxContainer/HSplitContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 0
+text = "添加字段"
+
+[node name="Remove" type="Button" parent="VBoxContainer/HSplitContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+text = "移除选中"
+
+[node name="ItemInfoPanel" type="Tree" parent="VBoxContainer/HSplitContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+allow_search = false
+hide_root = true
+select_mode = 2
+script = ExtResource("2_gvmkm")
 
 [node name="FileDirDialog" type="FileDialog" parent="."]
 script = ExtResource("2_nnvrw")
 
-[connection signal="pressed" from="VBoxContainer/Toolbar/Button" to="VBoxContainer/Content/Tree" method="Open"]
+[connection signal="pressed" from="VBoxContainer/Toolbar/Button" to="VBoxContainer/HSplitContainer/Tree" method="Open"]
+[connection signal="pressed" from="VBoxContainer/HSplitContainer/VBoxContainer/HBoxContainer/Add" to="VBoxContainer/HSplitContainer/VBoxContainer/ItemInfoPanel" method="AddKeyValue"]
+[connection signal="pressed" from="VBoxContainer/HSplitContainer/VBoxContainer/HBoxContainer/Remove" to="VBoxContainer/HSplitContainer/VBoxContainer/ItemInfoPanel" method="RemoveKeyValue"]