修复布局移除&添加bug。

C3204

7 天以前 8826196fc78ceb9c327d3abf7f2f2cf06dabb5df

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace LB_SmartVision.Forms.Pages
{
    // 最优方案实现
    public class ControlStateManager
    {
        private readonly Dictionary<string, Control> _controlMap = new Dictionary<string, Control>();
        private readonly TableLayoutPanel _tablePanel;
 
        public ControlStateManager(TableLayoutPanel tablePanel)
        {
            _tablePanel = tablePanel;
            BuildControlMap();
        }
 
        // 初始化时构建控件字典（只需一次）
        private void BuildControlMap(Control parent = null)
        {
            parent = parent ?? _tablePanel;
 
            foreach (Control control in parent.Controls)
            {
                if (!string.IsNullOrEmpty(control.Name))
                {
                    _controlMap[control.Name] = control;
                }
 
                if (control.HasChildren)
                {
                    BuildControlMap(control);
                }
            }
        }
 
        // O(1) 快速访问
        public T GetControl<T>(string name) where T : Control
        {
            return _controlMap.TryGetValue(name, out Control control) ? control as T : null;
        }
 
        // 获取TextBox值
        public string GetTextBoxValue(string name)
        {
            return GetControl<TextBox>(name)?.Text;
        }
 
        // 获取CheckBox状态
        public bool? GetCheckBoxState(string name)
        {
            return GetControl<CheckBox>(name)?.Checked;
        }
 
        /// <summary>
        /// 获取 ComboBox 的选中项文本
        /// </summary>
        public string GetComboBoxText(string comboBoxName)
        {
            var comboBox = GetControl<ComboBox>(comboBoxName);
            return comboBox?.SelectedItem?.ToString() ?? string.Empty;
        }
 
        /// <summary>
        /// 获取 ComboBox 的选中索引
        /// </summary>
        public int GetComboBoxSelectedIndex(string comboBoxName)
        {
            var comboBox = GetControl<ComboBox>(comboBoxName);
            return comboBox?.SelectedIndex ?? -1;
        }
 
        /// <summary>
        /// 获取 ComboBox 的所有项
        /// </summary>
        public List<object> GetComboBoxItems(string comboBoxName)
        {
            var comboBox = GetControl<ComboBox>(comboBoxName);
            return comboBox?.Items.Cast<object>().ToList() ?? new List<object>();
        }
 
        /// <summary>
        /// 获取 ComboBox 的完整状态
        /// </summary>
        public ComboBoxState GetComboBoxState(string comboBoxName)
        {
            var comboBox = GetControl<ComboBox>(comboBoxName);
            if (comboBox == null) return null;
 
            return new ComboBoxState
            {
                Items = comboBox.Items.Cast<object>().ToList(),
                SelectedIndex = comboBox.SelectedIndex,
                SelectedItem = comboBox.SelectedItem,
                Text = comboBox.Text
            };
        }
 
        // 动态更新控件映射（当添加/删除控件时调用）
        public void RefreshControlMap()
        {
            _controlMap.Clear();
            BuildControlMap();
        }
    }
 
    // ComboBox 状态数据结构
    public class ComboBoxState
    {
        public List<object> Items { get; set; }
        public int SelectedIndex { get; set; }
        public object SelectedItem { get; set; }
        public string Text { get; set; }
    }
}