inputTable组合控件
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zhubanghao
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using System.Drawing;
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using System.Windows.Forms;
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namespace AntdUIDemo
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{
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partial class InputTable<T>
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{
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/// <summary>
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/// 必需的设计器变量。
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/// </summary>
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private System.ComponentModel.IContainer components = null;
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#region 组件设计器生成的代码
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/// <summary>
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/// 设计器支持所需的方法 - 不要修改
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/// 使用代码编辑器修改此方法的内容。
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/// </summary>
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private void InitializeComponent()
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{
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InputSearch = new AntdUI.Panel();
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txtSearch = new AntdUI.Input();
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btnSearch = new AntdUI.Button();
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InputSearch.SuspendLayout();
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SuspendLayout();
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//
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// InputSearch
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//
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InputSearch.Controls.Add(txtSearch);
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InputSearch.Controls.Add(btnSearch);
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InputSearch.Dock = DockStyle.Fill;
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InputSearch.Location = new Point(0, 0);
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InputSearch.Name = "InputSearch";
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InputSearch.Size = new Size(297, 52);
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InputSearch.TabIndex = 3;
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InputSearch.Text = "panel1";
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//
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// txtSearch
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//
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txtSearch.Dock = DockStyle.Fill;
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txtSearch.IconRatio = 1F;
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txtSearch.Location = new Point(0, 0);
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txtSearch.Name = "txtSearch";
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txtSearch.PlaceholderText = "输入点什么搜索";
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txtSearch.Size = new Size(251, 52);
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txtSearch.SuffixSvg = "";
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txtSearch.TabIndex = 0;
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//
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// btnSearch
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//
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btnSearch.Dock = DockStyle.Right;
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btnSearch.IconRatio = 1F;
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btnSearch.IconSvg = "SearchOutlined";
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btnSearch.Location = new Point(251, 0);
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btnSearch.Name = "btnSearch";
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btnSearch.Size = new Size(46, 52);
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btnSearch.TabIndex = 1;
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btnSearch.Type = AntdUI.TTypeMini.Info;
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//
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// InputTable
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//
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AutoScaleDimensions = new SizeF(7F, 17F);
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AutoScaleMode = AutoScaleMode.Font;
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Controls.Add(InputSearch);
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Name = "InputTable";
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Size = new Size(297, 52);
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InputSearch.ResumeLayout(false);
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ResumeLayout(false);
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}
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#endregion
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private AntdUI.Panel InputSearch;
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private AntdUI.Input txtSearch;
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private AntdUI.Button btnSearch;
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}
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}
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@@ -0,0 +1,262 @@
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using AntdUI;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Linq;
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using System.Reflection;
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using System.Windows.Forms;
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namespace AntdUIDemo
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{
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/// <summary>
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/// InputTable泛型控件
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public partial class InputTable<T> : UserControl where T : class
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{
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#region 控件字段
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private Table _table;
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private Form _popover;
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private T _selectedItem;
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#endregion
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#region 公共属性
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/// <summary>
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/// 数据源集合
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/// </summary>
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[Category("Data")]
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[Description("数据源集合")]
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public List<T> DataSource { get; set; } = new List<T>();
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/// <summary>
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/// 列配置集合
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/// </summary>
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[Category("Data")]
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[Description("列配置集合")]
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public ColumnCollection Columns { get; set; } = new ColumnCollection();
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/// <summary>
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/// 搜索框占位符文本
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/// </summary>
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[Category("Behavior")]
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[Description("搜索框占位符文本")]
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public string PlaceholderText
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{
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get => txtSearch.PlaceholderText;
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set => txtSearch.PlaceholderText = value;
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}
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/// <summary>
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/// 当前选中的对象
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/// </summary>
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[Browsable(false)]
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public T SelectedItem
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{
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get => _selectedItem;
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private set
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{
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if (EqualityComparer<T>.Default.Equals(_selectedItem, value)) return;
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_selectedItem = value;
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SelectedItemChanged?.Invoke(this, EventArgs.Empty);
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}
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}
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/// <summary>
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/// 显示文本格式化委托
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/// </summary>
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[Category("Behavior")]
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[Description("显示文本格式化委托")]
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public Func<T, string> DisplayTextFormatter { get; set; }
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#endregion
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#region 事件
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/// <summary>
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///
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/// </summary>
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public event EventHandler SelectedItemChanged;
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/// <summary>
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///
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/// </summary>
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public event EventHandler SearchButtonClick;
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#endregion
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#region 构造函数
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public InputTable()
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{
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InitializeComponent();
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txtSearch.TextChanged += TxtSearch_TextChanged;
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btnSearch.Click += BtnSearch_Click;
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InitializeTable();
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}
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#endregion
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#region 初始化方法
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private void InitializeTable()
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{
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if (DesignMode) return;
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_table = new Table
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{
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Columns = Columns,
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Size = new Size(txtSearch.Width, 300)
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};
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_table.CellDoubleClick += Table_CellDoubleClick;
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}
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#endregion
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#region 核心方法
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/// <summary>
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/// 更新Table数据源
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/// </summary>
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private void UpdateTableDataSource()
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{
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if (_table == null || _table.IsDisposed) return;
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var filtered = (List<T>)ApplySearchFilter(DataSource).ToList();
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_table.DataSource = filtered;
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}
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private IEnumerable<T> ApplySearchFilter(IEnumerable<T> source)
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{
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if (string.IsNullOrWhiteSpace(txtSearch.Text))
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return source;
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return source.Where(item => Columns.Any(col =>
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{
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var propValue = GetPropertyValue(item, col.Key);
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return propValue.ToString().Contains(txtSearch.Text) ;
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})
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);
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}
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private object GetPropertyValue(T item, string propertyName)
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{
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return item.GetType()
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.GetProperty(propertyName, BindingFlags.Public | BindingFlags.Instance | BindingFlags.IgnoreCase)?
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.GetValue(item);
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}
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#endregion
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#region 事件处理
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private void TxtSearch_TextChanged(object sender, EventArgs e)
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{
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if (_popover == null)
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{
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if (_table == null || _table.IsDisposed) InitializeTable();
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UpdateTableDataSource();
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ShowPopover();
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}
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else
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{
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UpdateTableDataSource();
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}
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}
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/// <summary>
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/// 获取当前对象
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnSearch_Click(object sender, EventArgs e)
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{
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SearchButtonClick?.Invoke(this, e);
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}
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/// <summary>
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/// Table双击
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void Table_CellDoubleClick(object sender, TableClickEventArgs e)
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{
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if (e.Record is T selected)
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{
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SelectedItem = selected;
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UpdateSearchText(selected);
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ClosePopover();
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}
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}
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/// <summary>
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/// 释放
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void Popover_Disposed(object sender, EventArgs e)
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{
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_popover = null;
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}
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#endregion
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#region UI控制方法
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private void ShowPopover()
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{
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if (_table == null) return;
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// 动态获取实际宽度
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var controlWidth = txtSearch.Width > 10 ? txtSearch.Width : 200; // 设置默认最小值
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_table.Size = new Size(controlWidth, 300);
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_popover = Popover.open(new Popover.Config(txtSearch, _table)
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{
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OnControlLoad = () => BeginInvoke(new Action(() =>
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{
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txtSearch.Focus();
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txtSearch.SelectAll();
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}))
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});
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_popover.Disposed += Popover_Disposed;
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}
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protected override void OnLayout(LayoutEventArgs e)
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{
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base.OnLayout(e);
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// 布局变化时同步表格尺寸
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if (_table != null && !_table.IsDisposed)
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{
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_table.Width = txtSearch.Width;
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}
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}
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private void ClosePopover()
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{
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_popover?.Close();
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_popover = null;
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}
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private void UpdateSearchText(T item)
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{
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txtSearch.Text = DisplayTextFormatter?.Invoke(item) ?? item.ToString();
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}
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#endregion
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#region 资源清理
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/// <summary>
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/// 清理所有正在使用的资源。
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/// </summary>
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/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
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protected override void Dispose(bool disposing)
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{
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if (disposing && (components != null))
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{
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components.Dispose();
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_table?.Dispose();
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ClosePopover();
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}
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base.Dispose(disposing);
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}
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#endregion
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}
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}
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