using System;
using WeifenLuo.WinFormsUI.Docking;

namespace 成套报价软件
{
	/// <summary>停靠窗口：选型。内容在本类的设计器视图中编辑。</summary>
	public partial class DockWindow3 : DockContent
	{
		public DockWindow3()
		{
			InitializeComponent();
			this.BackColor = System.Drawing.Color.White;
			Text = "选型";
			TabText = "选型";

			// ★ 筛选(2026-10-02):comboBox1 输入关键字,button1 对汇总表(advancedDataGridView1)
			//   的 元件名称/规格/图纸规格 三列做模糊筛选;关键字为空时点击=清除筛选
			comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDown;   // 可手动输入
			button1.Click += button1_筛选_Click;
			comboBox1.KeyDown += (s, e) =>
			{
				if (e.KeyCode == System.Windows.Forms.Keys.Enter)
				{
					button1_筛选_Click(s, e);
					e.SuppressKeyPress = true;   // 防回车 beep
				}
			};
		}

		/// <summary>筛选/清除:对汇总表(advancedDataGridView1)的 元件名称/规格/图纸规格
		/// 三列任一包含关键字即显示(RowFilter 过滤视图,不动数据源,刷新加载自动重置)。
		/// 按钮状态机:Text="清除"(筛选生效中)→点击=无条件清除;Text="筛选"→按关键字筛选,空关键字=清除。</summary>
		private void button1_筛选_Click(object sender, EventArgs e)
		{
			try
			{
				var dt = advancedDataGridView1.DataSource as System.Data.DataTable;
				if (dt == null) return;   // 尚未加载数据

				// ★ 筛选生效中(按钮显示"清除"):点击即无条件清除(关键字保留在框里便于改词再筛)
				if (button1.Text == "清除")
				{
					dt.DefaultView.RowFilter = "";
					button1.Text = "筛选";
					return;
				}

				string kw = (comboBox1.Text ?? "").Trim();
				if (kw.Length == 0)
				{
					dt.DefaultView.RowFilter = "";   // 空关键字 = 清除(双保险路径)
					button1.Text = "筛选";
					return;
				}
				// RowFilter LIKE 通配符/引号转义
				string esc = kw.Replace("'", "''").Replace("[", "[[]").Replace("%", "[%]").Replace("*", "[*]");
				string like = " LIKE '%" + esc + "%'";
				dt.DefaultView.RowFilter = "元件名称" + like + " OR 规格" + like + " OR 图纸规格" + like;
				button1.Text = "清除";

				// 关键字入下拉历史(去重置顶,最多 20 条)
				int idx = comboBox1.Items.IndexOf(kw);
				if (idx >= 0) comboBox1.Items.RemoveAt(idx);
				comboBox1.Items.Insert(0, kw);
				while (comboBox1.Items.Count > 20) comboBox1.Items.RemoveAt(comboBox1.Items.Count - 1);
			}
			catch (Exception ex)
			{
				System.Windows.Forms.MessageBox.Show(this, "筛选失败：" + ex.Message, "选型",
					System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
			}
		}
	}
}