SeikoGluing/精工涂胶检测项目/精工涂胶检测项目/EditableListView.cs

using System.Windows.Forms;
using System.Drawing;
using Microsoft.VisualBasic;
using System;

namespace 精工涂胶检测项目
{
    public class EditableListView : ListView
    {
        public EditableListView()
        {
            View = View.Details;
            FullRowSelect = true;
            GridLines = true;
            LabelEdit = false;
            Scrollable = true;
            Columns.Add("地址", 120);
            Columns.Add("数据类型", 120);

            DoubleClick -= EditableListView_DoubleClick;
            DoubleClick += EditableListView_DoubleClick;
        }

        [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name = "FullTrust")]
        protected override void WndProc(ref Message m)
        {
            const int WM_LBUTTONDBLCLK = 0x0203;
            if (m.Msg == WM_LBUTTONDBLCLK)
            {
                OnDoubleClick(EventArgs.Empty);
            }
            base.WndProc(ref m);
        }

        // 添加数据的公共方法
        public void AddData(string address, string dataType)
        {
            ListViewItem item = new ListViewItem(address);
            item.SubItems.Add(dataType);
            Items.Add(item);
        }

        private void EditableListView_DoubleClick(object sender, EventArgs e)
        {
            var mousePos = this.PointToClient(Cursor.Position);
            var hitInfo = this.HitTest(mousePos);

            bool isRealBlankArea =
                hitInfo.Item == null &&
                hitInfo.SubItem == null &&
                (hitInfo.Location == ListViewHitTestLocations.None ||
                 hitInfo.Location == ListViewHitTestLocations.AboveClientArea);

            if (isRealBlankArea)
            {
                AddNewItem();
            }
            else if (hitInfo.Item != null)
            {
                int colIndex = GetColumnIndex(mousePos.X);
                if (colIndex >= 0 && colIndex < Columns.Count)
                {
                    EditItem(hitInfo.Item, colIndex);
                }
            }
        }

        private int GetColumnIndex(int x)
        {
            int accumulatedWidth = 0;
            for (int i = 0; i < Columns.Count; i++)
            {
                accumulatedWidth += Columns[i].Width;
                if (x < accumulatedWidth)
                    return i;
            }
            return Columns.Count - 1;
        }

        private void EditItem(ListViewItem item, int columnIndex)
        {
            string originalValue = columnIndex == 0 ? item.Text : item.SubItems[columnIndex].Text;

            string newValue = Interaction.InputBox(
                "请输入新值:",
                "编辑单元格",
                originalValue
            );

            if (!string.IsNullOrEmpty(newValue))
            {
                if (columnIndex == 0)
                {
                    item.Text = newValue;
                }
                else
                {
                    if (item.SubItems.Count > columnIndex)
                    {
                        item.SubItems[columnIndex].Text = newValue;
                    }
                    else
                    {
                        item.SubItems.Add(newValue);
                    }
                }
            }
        }

        private void AddNewItem()
        {
            string address = Interaction.InputBox("请输入地址:", "添加新条目", "");
            if (!string.IsNullOrEmpty(address))
            {
                string dataType = Interaction.InputBox("请输入数据类型:", "添加新条目", "");
                AddData(address, dataType);
            }
        }
    }
}