using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace NoteBook45
{
    public partial class Form1 : Form
    {
        bool isFirstSave = true;
        public Form1()
        {
            InitializeComponent();
        }
 
        private void 新建ToolStripMenuItem_Click(object sender, EventArgs e)//暴力新建
        {
            rtxtEdit.Clear();
            this.Text = "無(wú)標(biāo)題-我的記事本";
        }
 
        private void menuStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
        {
 
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
            this.Text = "無(wú)標(biāo)題-我的記事本";
            rtxtEdit.WordWrap = false;
            自動(dòng)換行ToolStripMenuItem.CheckOnClick = true;
        }
 
        private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)//暴力退出
        {
            Application.Exit();
        }
 
        private void 撤銷(xiāo)ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            rtxtEdit.Undo();
        }
 
        private void 復(fù)制ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (rtxtEdit.SelectedText != "")
                rtxtEdit.Copy();
            else
                MessageBox.Show("沒(méi)有選中任何內(nèi)容,無(wú)法進(jìn)行復(fù)制!");
        }
 
        private void 粘貼ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            rtxtEdit.Paste();
        }
 
        private void 剪切ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (rtxtEdit.SelectedText != "")
                rtxtEdit.Cut();
            else
                MessageBox.Show("沒(méi)有選擇任何內(nèi)容,無(wú)法進(jìn)行剪切!");
        }
 
        private void contextMenuStrip1_Opening(object sender, CancelEventArgs e)
        {
 
        }
 
        private void 復(fù)制ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            復(fù)制ToolStripMenuItem_Click(sender, e);
        }
 
        private void 粘貼ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            粘貼ToolStripMenuItem_Click(sender, e);
        }
 
        private void 剪切ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            剪切ToolStripMenuItem_Click(sender, e);
        }
 
        private void toolStripButton新建_Click(object sender, EventArgs e)
        {
            新建ToolStripMenuItem_Click(sender, e);
        }
 
        private void toolStripButton打開(kāi)_Click(object sender, EventArgs e)
        {
 
        }
 
        private void toolStripButton保存_Click(object sender, EventArgs e)
        {
 
        }
 
        private void toolStripButton復(fù)制_Click(object sender, EventArgs e)
        {
            復(fù)制ToolStripMenuItem_Click(sender, e);
        }
 
        private void toolStripButton粘貼_Click(object sender, EventArgs e)
        {
            粘貼ToolStripMenuItem_Click(sender, e);
        }
 
        private void toolStripButton剪切_Click(object sender, EventArgs e)
        {
            剪切ToolStripMenuItem_Click(sender, e);
        }
 
        private void toolStripButton撤銷(xiāo)_Click(object sender, EventArgs e)
        {
            撤銷(xiāo)ToolStripMenuItem_Click(sender, e);
        }
 
        private void 打開(kāi)ToolStripMenuItem_Click(object sender, EventArgs e)//暴力打開(kāi)
        {
            openFileDialog1.InitialDirectory=@"C:\";//設(shè)置打開(kāi)文件對(duì)話(huà)框的初始目錄
            openFileDialog1.Filter = "文本文件(*.txt)|*.TXT";//設(shè)置打開(kāi)文件對(duì)話(huà)框可以顯示的文件類(lèi)型
            openFileDialog1.FileName = "";
            openFileDialog1.ShowDialog();//顯示打開(kāi)文件對(duì)話(huà)框
            string filename = openFileDialog1.FileName;//獲取用戶(hù)選擇的要打開(kāi)的文件的全路徑
            if (filename == "")
                MessageBox.Show("沒(méi)有選中要打開(kāi)的文件!");
            else
            {
                rtxtEdit.LoadFile(filename, RichTextBoxStreamType.PlainText);//以純文本的形式,將文件內(nèi)容加載進(jìn)富文本框
                //c:\my documents\1.txt
                int index = filename.LastIndexOf(@"\");//求最后一個(gè)反斜杠在文件名中的位置
                filename = filename.Substring(index + 1);//求文件名的主文件名和擴(kuò)展名
                this.Text = filename + "我的記事本";
            }
 
        }
 
        private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (isFirstSave)
 {
     另存為T(mén)oolStripMenuItem_Click(sender, e);
         isFirstSave = false;
     }
 else
     rtxtEdit.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.PlainText);
        }
 
        private void 另存為T(mén)oolStripMenuItem_Click(object sender, EventArgs e)
        {
            saveFileDialog1.InitialDirectory = @"c:\";
            saveFileDialog1.Filter = "文本文件(*.txt)|*.TXT";
            saveFileDialog1.FileName = "";
            string filename = "";
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                filename = saveFileDialog1.FileName;
                rtxtEdit.SaveFile(filename, RichTextBoxStreamType.PlainText);
                int index = filename.LastIndexOf(@"\");//求最后一個(gè)反斜杠在文件名中的位置
                filename = filename.Substring(index + 1);//求文件名的主文件名和擴(kuò)展名
                this.Text = filename + "我的記事本";
            }
        }
 
        private void 自動(dòng)換行ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (自動(dòng)換行ToolStripMenuItem.Checked)
                rtxtEdit.WordWrap = true;
            else
                rtxtEdit.WordWrap = false;
        }
 
        private void rtxtEdit_TextChanged(object sender, EventArgs e)
        {
 
        }
    }
}