cyf
324 lines
10 KiB
C#
324 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Data;
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using System.Data.SqlClient;
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using System.Drawing.Design;
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using System.Windows.Forms.Design;
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using System.Threading;
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using System.Drawing;
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using CommonLib;
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using System.Text.RegularExpressions;
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using Lskj.MyControl;
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namespace Lskj.MyControl
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{
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/// <summary>
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/// 自动搜索器
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/// </summary>
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public partial class AutoSearcherTreeView : TextBox
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{
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/// <summary>
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/// 控件所在的面板
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/// </summary>
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//public Control SearchControlPanel { get; set; }
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//-----------------------------------------------私有字段--------------
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//树视图控件
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private TreeViewEx FListVAuto;
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//记载上次的选中值
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private string StrOld = "";
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//窗体
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public FrmAutoSearchTreeView FrmAutoShowForm;
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//树节点绑定的值
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public string ValueMember;
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//树节点显示的值
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public string DisplayMember;
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/// <summary>
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/// 构造函数
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/// </summary>
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public AutoSearcherTreeView()
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{
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Init();
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}
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/// <summary>
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/// 初始化函数
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/// </summary>
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private void Init()
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{
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Text = "";
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FrmAutoShowForm = new FrmAutoSearchTreeView();
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FrmAutoShowForm.TreeView.GetTreeView.CheckBoxes=false;
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FListVAuto = FrmAutoShowForm.TreeView;
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this.KeyUp += new KeyEventHandler(onSelfKeyUp);
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this.Leave += new EventHandler(OnSelfLostFocus);
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this.Enter += new EventHandler(AutoSearcher_Enter);
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this.MouseDown += new MouseEventHandler(AutoSearcher_MouseDown);
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this.MouseUp += new MouseEventHandler(AutoSearcher_MouseUp);
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FListVAuto.MyAfterSelect += new TreeViewEventHandler(TreeViewClick);
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}
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private void AutoSearcher_MouseUp(object sender, MouseEventArgs e)
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{
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this.SelectAll();
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}
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/// <summary>
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/// 鼠标按下
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/// </summary>
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private void AutoSearcher_MouseDown(object sender, MouseEventArgs e)
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{
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//this.Text = "";// Text.Trim();
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StrOld = this.Text;
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FrmAutoShowForm.Show();
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this.Focus();
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}
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/// <summary>
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/// 输入控件失去焦点事件处理
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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 OnSelfLostFocus(object sender, EventArgs e)
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{
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if (FrmAutoShowForm.Visible && !FListVAuto.Focused)
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{
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FrmAutoShowForm.Hide();
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}
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}
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/// 输入框回车事件的处理
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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 onSelfKeyUp(object sender, KeyEventArgs e)
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{
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if (e.KeyValue == 13)
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{
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if (Text.Trim() == "")
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OnTextChanged(null);
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if (FrmAutoShowForm.Visible)
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this.Text = FListVAuto.GetTreeView.SelectedNode.Text;
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FrmAutoShowForm.Hide();
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}
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if (e.KeyValue == 27)
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{
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if (FrmAutoShowForm.Visible)
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FrmAutoShowForm.Visible = false;
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}
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}
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/// <summary>
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/// 绑定树结构
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/// </summary>
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/// <param name="TabName"></param>
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/// <param name="treeView"></param>
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public void BindTree(DataTable data)
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{
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for (int i = 0; i < data.Rows.Count; i++)
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{
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DataRow dr = data.Rows[i];
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String tnKey = dr[ValueMember] + "";
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String tnStr = dr[DisplayMember] + "";
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DataColumnCollection dcc = data.Columns;
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String CodeNo = string.Empty;
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if (dcc.Count > 2)
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CodeNo = dr[2].ToString();
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TreeNode[] tn = null;
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if (tnKey.Length >= 4)
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{
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String pKey = tnKey.Substring(0, tnKey.Length - 2);
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tn = FListVAuto.GetTreeView.Nodes.Find(pKey, true);
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if (tn.Count() > 0)
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{
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TreeNode tNode = tn[0].Nodes.Add(tnKey, tnStr);
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tNode.Tag = dr;
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}
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}
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else
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{
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TreeNode tNode = FListVAuto.GetTreeView.Nodes.Add(tnKey, tnStr);
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}
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}
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}
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/// <summary>
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/// 搜索节点递归
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/// </summary>
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public TreeNode FindNode(TreeNode tnParent, string strValue)
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{
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if (tnParent == null) return null;
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for (int i = 0; i < tnParent.Text.Length - strValue.Length + 1; i++)
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{
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if (tnParent.Text.Substring(i, strValue.Length) == strValue && (!tnParent.Checked))
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{
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return tnParent;
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}
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}
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TreeNode tnRet = null;
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foreach (TreeNode tn in tnParent.Nodes)
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{
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tnRet = FindNode(tn, strValue);
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if (tnRet != null) break;
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}
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return tnRet;
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}
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/// <summary>
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/// 树点击事件
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/// </summary>
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private void TreeViewClick(object sender, TreeViewEventArgs e)
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{
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this.Text = e.Node.Text;
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}
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/// <summary>
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/// 输入内容变化处理过程
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/// </summary>
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/// <param name="e"></param>
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protected override void OnTextChanged(EventArgs e)
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{
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TreeNode tnRet = null;
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foreach (TreeNode tn in FListVAuto.GetTreeView.Nodes)
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{
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tnRet = FindNode(tn, this.Text);
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if (tnRet != null)
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{
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tnRet.EnsureVisible();
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FListVAuto.GetTreeView.Select();
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FListVAuto.GetTreeView.SelectedNode = tnRet;
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break;
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}
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}
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this.Focus();
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this.Select(Text.Length, 0);
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base.OnTextChanged(e);
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}
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/// <summary>
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/// 键入事件
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
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private void AutoSearcher_Enter(object sender, EventArgs e)
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{
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//没数据也进行隐藏
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if (!string.IsNullOrEmpty(StrOld) && StrOld == this.Text || FListVAuto.GetTreeView.Nodes.Count==0)
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{
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FrmAutoShowForm.Hide();
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return;
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}
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StrOld = this.Text;
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SetFrmPosition(this, true);
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FrmAutoShowForm.Show();
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}
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/// <summary>
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/// 获取窗体
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/// </summary>
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/// <param name="ctr">The CTR.</param>
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/// <returns>Form.</returns>
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private Form GetForm(Control ctr)
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{
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if (ctr is Form)
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{
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return ctr as Form;
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}
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else
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{
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return GetForm(ctr.Parent);
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}
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}
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/// <summary>
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/// 在父窗体关闭的时候也关闭结果集窗体
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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 ParentFormClose(object sender, FormClosingEventArgs e)
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{
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if (e.CloseReason == CloseReason.UserClosing)
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{
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FrmAutoShowForm.Hide();
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if (FrmAutoShowForm.Parent != null)
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{
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(FrmAutoShowForm.Parent as Form).FormClosing -= new FormClosingEventHandler(ParentFormClose);
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}
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}
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}
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/// <summary>
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/// 设置窗体位置
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/// </summary>
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/// <param name="OwnerCtrl"></param>
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/// <param name="bParentSet"></param>
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private void SetFrmPosition(Control OwnerCtrl, bool bParentSet)
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{
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Form form = null;
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Control F;
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int iTop;
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int iLeft;
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int iWidth;
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form = GetForm(OwnerCtrl.Parent);
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FrmAutoShowForm.TopLevel = false;
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FrmAutoShowForm.Parent = form;
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for (int k = 0; k < 20; k++)
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FrmAutoShowForm.BringToFront();
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F = OwnerCtrl.Parent;
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iTop = OwnerCtrl.Top + OwnerCtrl.Height;
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iLeft = OwnerCtrl.Left;
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while (F != form)
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{
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iTop = iTop + F.Top;
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iLeft = iLeft + F.Left;
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F = F.Parent;
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}
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if (iTop + this.Height + FrmAutoShowForm.Height > F.Height)
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{
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if (iTop - this.Height > F.Height - iTop)
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{
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if (FrmAutoShowForm.Height > iTop - OwnerCtrl.Height)
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{
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FrmAutoShowForm.Height = iTop - OwnerCtrl.Height;
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iTop = 0;
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}
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else
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iTop = iTop - this.Height - FrmAutoShowForm.Height;
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}
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else
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FrmAutoShowForm.Height = F.Height - iTop - 30;
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}
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if (iLeft + FrmAutoShowForm.Width > F.Width)
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{
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if (iLeft + this.Width > F.Width - iLeft)
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{
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if (FrmAutoShowForm.Width > iLeft + OwnerCtrl.Width)
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{
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FrmAutoShowForm.Width = iLeft + OwnerCtrl.Width;
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iLeft = 0;
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}
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else
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iLeft = iLeft + OwnerCtrl.Width - FrmAutoShowForm.Width;
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}
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else
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FrmAutoShowForm.Width = F.Width - iLeft - 30;
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}
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FrmAutoShowForm.Left = iLeft;
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FrmAutoShowForm.Top = iTop;
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}
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}
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} |