NonWovenFabric/WindowsFormsApp6/MainForm.cs

using System;
using System.Data;
using System.Drawing;
using System.Windows.Forms;
using System.IO;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using NPOI.SS.Util;
using NPOIBorderStyle = NPOI.SS.UserModel.BorderStyle;
using NPOIHorizontalAlignment = NPOI.SS.UserModel.HorizontalAlignment;

namespace WindowsFormsApp6
{
    public partial class MainForm : Form
    {
        private Form1 form1Instance;
        private Form2 form2Instance;
        private Form3 form3Instance;
        private System.Windows.Forms.Timer clockTimer;

        public MainForm()
        {
            InitializeComponent();
            InitializeClockTimer();
            InitializeTabControl();
            InitializeEmbeddedForms();
        }

        private void InitializeClockTimer()
        {
            clockTimer = new System.Windows.Forms.Timer();
            clockTimer.Interval = 1000;
            clockTimer.Tick += (s, e) => label2.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
            clockTimer.Start();
        }

        private void InitializeTabControl()
        {
            tabControl1.SelectedIndexChanged += TabControl1_SelectedIndexChanged;
        }

        private void TabControl1_SelectedIndexChanged(object sender, EventArgs e)
        {
            UpdateTitleForCurrentTab();
            
            // 根据选中的 Tab 显示/隐藏切换布局按钮
            // 只有在 Form3 (Tab 2, index=2) 时显示切换按钮
            buttonToggleLayout.Visible = (tabControl1.SelectedIndex == 2);
            
            // 更新切换按钮的文本
            if (tabControl1.SelectedIndex == 2 && form3Instance != null)
            {
                UpdateToggleButtonText();
            }
        }

        private void UpdateTitleForCurrentTab()
        {
            switch (tabControl1.SelectedIndex)
            {
                case 0:
                    label1.Text = " 液体吸收时间测试报告";
                    break;
                case 1:
                    label1.Text = " 液体吸收量测试报告";
                    break;
                case 2:
                    label1.Text = " 液体芯吸速率测试报告";
                    break;
            }
        }

        private void InitializeEmbeddedForms()
        {
            form1Instance = new Form1();
            form1Instance.TopLevel = false;
            form1Instance.FormBorderStyle = FormBorderStyle.None;
            form1Instance.Dock = DockStyle.Fill;
            
            Panel panel1 = new Panel();
            panel1.Dock = DockStyle.Fill;
            panel1.Controls.Add(form1Instance.Controls["tableLayoutPanel1"].Controls["panel3"]);
            tabPage1.Controls.Add(panel1);
            form1Instance.Show();

            form2Instance = new Form2();
            form2Instance.TopLevel = false;
            form2Instance.FormBorderStyle = FormBorderStyle.None;
            form2Instance.Dock = DockStyle.Fill;
            
            Panel panel2 = new Panel();
            panel2.Dock = DockStyle.Fill;
            panel2.Controls.Add(form2Instance.Controls["tableLayoutPanel1"].Controls["panel3"]);
            tabPage2.Controls.Add(panel2);
            form2Instance.Show();

            form3Instance = new Form3();
            form3Instance.TopLevel = false;
            form3Instance.FormBorderStyle = FormBorderStyle.None;
            form3Instance.Dock = DockStyle.Fill;
            
            Panel panel3 = new Panel();
            panel3.Dock = DockStyle.Fill;
            panel3.Controls.Add(form3Instance.Controls["tableLayoutPanel1"].Controls["panel3"]);
            tabPage3.Controls.Add(panel3);
            form3Instance.Show();
        }

        private void buttonPrint_Click(object sender, EventArgs e)
        {
            MessageBox.Show("打印功能开发中", "提示");
        }

        private void buttonExport_Click(object sender, EventArgs e)
        {
            SaveFileDialog saveFileDialog = new SaveFileDialog
            {
                Filter = "Excel 文件 (*.xlsx)|*.xlsx",
                FileName = $"测试报告_{DateTime.Now:yyyyMMdd_HHmmss}",
                Title = "导出整合报告"
            };

            if (saveFileDialog.ShowDialog() == DialogResult.OK)
            {
                ExportIntegratedReport(saveFileDialog.FileName);
            }
        }

        private void button5_Click(object sender, EventArgs e)
        {
            switch (tabControl1.SelectedIndex)
            {
                case 0:
                    form1Instance.GenerateMockData();
                    break;
                case 1:
                    form2Instance.GenerateMockData();
                    break;
                case 2:
                    form3Instance.GenerateMockData();
                    break;
            }
        }

        private void buttonToggleLayout_Click(object sender, EventArgs e)
        {
            if (form3Instance != null)
            {
                // 调用 Form3 的公共切换方法
                form3Instance.ToggleTableLayout();
                
                // 更新按钮文本
                UpdateToggleButtonText();
            }
        }

        /// <summary>
        /// 更新切换按钮的文本
        /// </summary>
        private void UpdateToggleButtonText()
        {
            if (form3Instance != null)
            {
                // 使用公共方法获取布局状态
                bool isVertical = form3Instance.IsVerticalLayout();
                buttonToggleLayout.Text = isVertical ? "🔄 横向布局" : "🔄 纵向布局";
            }
        }

        private void ExportIntegratedReport(string filePath)
        {
            try
            {
                IWorkbook workbook = new XSSFWorkbook();
                CreateForm1Sheet(workbook);
                CreateForm2Sheet(workbook);
                CreateForm3Sheet(workbook);

                using (FileStream fs = new FileStream(filePath, FileMode.Create, FileAccess.Write))
                {
                    workbook.Write(fs);
                }

                MessageBox.Show($"导出成功：{filePath}", "成功");
            }
            catch (Exception ex)
            {
                MessageBox.Show($"导出失败：{ex.Message}", "错误");
            }
        }

        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            clockTimer?.Stop();
            clockTimer?.Dispose();
            Application.Exit();
        }

        private void CreateForm1Sheet(IWorkbook workbook) { }
        private void CreateForm2Sheet(IWorkbook workbook) { }
        private void CreateForm3Sheet(IWorkbook workbook) { }
    }
}