129 lines
2.7 KiB
C#
129 lines
2.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Godot;
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using Learn.Models;
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namespace Learn.Component;
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public partial class NodeInfoEditPanel : Tree
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{
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public event Action OnNodeInfoEdited;
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private IEnumerable<TreeNode> _nodes;
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private ItemGroup _itemGroup;
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private readonly Dictionary<TreeItem, string> _nodeKeys = new ();
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private readonly HashSet<TreeItem> _selectingNodes = new ();
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#region Columns Definitions
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private const int KeyColumn = 0;
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private const int ValueColumn = 1;
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#endregion
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public override void _Ready()
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{
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Columns = 2;
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SetColumnTitlesVisible(true);
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SetColumnTitle(KeyColumn, "键");
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SetColumnCustomMinimumWidth(KeyColumn, 100);
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SetColumnExpand(KeyColumn, false);
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SetColumnTitle(ValueColumn, "值");
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SetColumnExpand(ValueColumn, true);
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ItemEdited += OnItemEdited;
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MultiSelected += OnMultiSelected;
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}
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private void OnMultiSelected(TreeItem item, long column, bool selected)
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{
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for (int i = 0; i < Columns; i++)
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{
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if (i == column ? selected : item.IsSelected(i))
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{
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_selectingNodes.Add(item);
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return;
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}
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}
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_selectingNodes.Remove(item);
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}
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private void OnItemEdited()
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{
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var node = GetEdited();
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var prevKey = _nodeKeys[node];
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var currentKey = node.GetText(KeyColumn);
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var value = node.GetText(ValueColumn);
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if (prevKey != currentKey)
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{
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_itemGroup.Remove(prevKey);
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}
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_itemGroup.SetValue(currentKey, value);
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OnNodeInfoEdited?.Invoke();
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}
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public void SetNodes(IEnumerable<TreeNode> nodes)
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{
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if (nodes == null)
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{
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_nodes = null;
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_itemGroup = null;
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}
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else
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{
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_nodes = nodes;
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_itemGroup = new ItemGroup(_nodes.Select(node => node.Info).ToList());
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}
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OnNodesChanged();
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}
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public void OnNodesChanged()
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{
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Clear();
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_nodeKeys.Clear();
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_selectingNodes.Clear();
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if (_itemGroup == null) return;
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var root = CreateItem();
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foreach (var key in _itemGroup.GetKeys())
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{
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if(!_itemGroup.TryGetValue(key, out var value, out var isSame)) continue;
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var node = CreateItem(root);
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node.SetText(KeyColumn, key);
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node.SetText(ValueColumn, isSame ? value : "-");
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node.SetEditable(KeyColumn, true);
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node.SetEditable(ValueColumn, true);
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_nodeKeys.Add(node, key);
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}
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OnNodeInfoEdited?.Invoke();
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}
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public void AddKeyValue()
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{
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if(_itemGroup == null) return;
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var newFieldName = "newField";
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int index = 0;
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while (!_itemGroup.TryAdd(newFieldName + (index == 0 ? "" : index.ToString()), ""))
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{
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index += 1;
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}
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OnNodesChanged();
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}
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public void RemoveKeyValue()
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{
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if(_itemGroup == null) return;
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var root = GetRoot();
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foreach (var node in _selectingNodes)
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{
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_itemGroup.Remove(_nodeKeys[node]);
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root.RemoveChild(node);
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}
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_selectingNodes.Clear();
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OnNodeInfoEdited?.Invoke();
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}
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}
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