using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Printing;
using System.Text;
using System.Windows.Forms;

namespace GSBase
{
    public partial class MyFastReportMain : Form
    {
        public MyFastReportMain()
        {
            InitializeComponent();
        }

        private DataSet Tables = null;
    public FastReport.Report MyReport = new FastReport.Report();
    private PrinterSettings printerSettings=null ;
    private PrintType PrintType;

    /// <summary>
    /// 外部调用(预览模式和打印模式)
    /// </summary>
    /// <param name="_printType"></param>
    /// <param name="_ds"></param>
    /// <param name="_reportstring">报表文件模板</param>
    public void Print(PrintType _printType, DataSet _ds, string _reportstring)
    {
        Tables = _ds;
        PrintType = _printType;
        DoPrint(_reportstring);
    }

        public void PrintSettings(PrinterSettings A)
        {
            printerSettings = A;

        }

        /// <summary>
        /// 内部调用
        /// </summary>
        /// <param name="reportstring"></param>
        private void DoPrint(string reportstring)
    {
        MyReport.LoadFromString(reportstring);

        DataSet ds;
        if (Tables == null || Tables.Tables.Count == 0)
        {
            ds = new DataSet("MyTables");
            DataTable dt = new DataTable("MyTableOnew");
            dt.Columns.Add("name");
            dt.Columns.Add("age");
            dt.Columns.Add("sex");
            for (int i = 1; i <= 100; i++)
            {
                DataRow dr = dt.NewRow();
                dr["name"] = "小明" + i.ToString();
                dr["age"] = i.ToString();
                dr["sex"] = "男";
                dt.Rows.Add(dr);
            }
            ds.Tables.Add(dt);
        }
        else
        {
            ds = Tables;
        }
        MyReport.RegisterData(ds);

        MyReport.Preview = this.previewControl1;
        switch (PrintType)
        {
            case PrintType.DesignReport:
                MyReport.Design();
                break;
            case PrintType.PreviewReport:
                printerSettings = null;//预览时清除打印机，让用户有选择打印机的机会
                MyReport.Show();
                this.ShowDialog();
                break;
            case PrintType.PrintReport:
                try
                {
                    if (MyReport.Prepare() == false)
                        return;                      
                        //如果打印设备为空，则让用户选择打印机。
                        if (printerSettings == null)
                        {                           
                            if (MyReport.ShowPrintDialog(out printerSettings) == false)
                                return;
                        }
                        MyReport.PrintPrepared(printerSettings);
                       // MyReport.PrintSettings.ShowDialog = false;
                    }
                catch (Exception e)
                {
                    MessageBox.Show("打印报表出错，信息如下：" + e.Message);
                    printerSettings = null;
                    return;
                }
                break;
            default:
                MessageBox.Show("没有提供此类操作!");
                return;
        }
    }
}

/// <summary>
///  报表的打印类型
/// </summary>
public enum PrintType
{
    /// <summary>
    /// 设计报表
    /// </summary>
    DesignReport = 1,

    /// <summary>
    /// 预览报表
    /// </summary>
    PreviewReport,

    /// <summary>
    /// 打印报表
    /// </summary>
    PrintReport,

    /// <summary>
    /// 创建新表表
    /// </summary>
    CreateNewReport
};
}