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;
using System.Xml.Serialization;
using System.IO;
namespace FileUpdateCheck
{
public partial class Form1 : Form
{
string _XmlPath = Application.StartupPath + @"\dat_path.xml";
string _XmlFileList = Application.StartupPath + @"\dat_file_list.xml";
Timer _Timer = new Timer();
List<MyFileInfo> _BeforeFileList = new List<MyFileInfo>();
public Form1()
{
InitializeComponent();
EventAttach();
SetNotifyIcon();
_Timer.Interval = 1000 * 60; // 1分
_Timer.Tick += (s, e) => TimerWork();
ButtonStateChange(ButtonState.waiting);
if (File.Exists(_XmlPath))
{
string path = "";
using (StreamReader sr = new StreamReader(_XmlPath, Encoding.UTF8))
{
path = (string)new XmlSerializer(typeof(string)).Deserialize(sr);
}
if (Directory.Exists(path))
{
TargetFolderPath.Text = path;
// PathのXmlが存在し、Pathが有効ならTextboxへ
if (File.Exists(_XmlFileList))
{
using (StreamReader sr = new StreamReader(_XmlFileList, Encoding.UTF8))
{
_BeforeFileList = new List<MyFileInfo>((List<MyFileInfo>)new XmlSerializer(typeof(List<MyFileInfo>)).Deserialize(sr));
}
// 自動起動するのはXMLが2つ有った場合
// FileListのXmlはストップ時削除するので、2つある場合、ストップしていないということ
_Timer.Start();
ButtonStateChange(ButtonState.working);
WindowState = FormWindowState.Minimized;
ShowInTaskbar = false;
}
}
}
}
private void EventAttach()
{
this.ClientSizeChanged += (s, e) =>
{
if (WindowState == FormWindowState.Minimized)
{
ShowInTaskbar = false;
}
};
this.FormClosing += (s, e) =>
{
e.Cancel = true;
WindowState = FormWindowState.Minimized;
};
StartButton.Click += (s, e) => StartWatch();
StopButton.Click += (s, e) => StopWatch();
ExitButton.Click += (s, e) =>
{
DialogResult yesNo = MessageBox.Show("終了しますか？", "", MessageBoxButtons.YesNo);
if (yesNo == DialogResult.No) return;
Application.Exit();
};
}
private void SetNotifyIcon()
{
Bitmap darkGreenBitmap = new Bitmap(32, 32);
Graphics darkGreenGraphics = Graphics.FromImage(darkGreenBitmap);
darkGreenGraphics.FillRectangle(Brushes.DarkGreen, darkGreenGraphics.VisibleClipBounds);
Bitmap greenBitmap = new Bitmap(32, 32);
Graphics greenGraphics = Graphics.FromImage(greenBitmap);
greenGraphics.FillRectangle(Brushes.Green, greenGraphics.VisibleClipBounds);
Icon[] icons = new Icon[] {
Icon.FromHandle(darkGreenBitmap.GetHicon()),
Icon.FromHandle(greenBitmap.GetHicon())
};
NotifyIcon notifyIcon = new NotifyIcon();
notifyIcon.Icon = Icon.FromHandle(darkGreenBitmap.GetHicon());
notifyIcon.Visible = true;
notifyIcon.Click += new EventHandler((object sender, EventArgs e) => {
WindowState = FormWindowState.Normal;
ShowInTaskbar = true;
});
int i = 0;
var t = new Timer();
t.Interval = 1000;
t.Tick += (s, e) =>
{
notifyIcon.Icon = icons[i++];
if (i == 2) i = 0;
};
t.Start();
}
private void TimerWork()
{
List<string> message = new List<string>();
if (_BeforeFileList.Count > 0)
{
foreach(var currentFileInfo in GetCurrentMyFileInfoList())
{
bool isNew = true;
bool isUpdate = false;
foreach (var beforeFileInfo in _BeforeFileList)
{
if (currentFileInfo.Name == beforeFileInfo.Name)
{
isNew = false;
if (currentFileInfo.Length != beforeFileInfo.Length) isUpdate = true;
}
}
if (isNew) message.Add("新規： " + currentFileInfo.Name);
if (isUpdate) message.Add("更新： " + currentFileInfo.Name);
}
}
_BeforeFileList.Clear();
_BeforeFileList = new List<MyFileInfo>(GetCurrentMyFileInfoList());
using (StreamWriter sw = new StreamWriter(_XmlFileList, false, Encoding.UTF8))
{
new XmlSerializer(typeof(List<MyFileInfo>)).Serialize(sw, _BeforeFileList);
}
if (message.Count > 0) MessageBox.Show(string.Join(Environment.NewLine, message));
}
private List<MyFileInfo> GetCurrentMyFileInfoList()
{
List<MyFileInfo> fileInfoList = new List<MyFileInfo>();
foreach (string file in Directory.GetFiles(TargetFolderPath.Text, "*", SearchOption.TopDirectoryOnly))
{
var fi = new FileInfo(file);
fi.Refresh();
fileInfoList.Add(new MyFileInfo {
Name = fi.Name,
Length = fi.Length
});
}
return fileInfoList;
}
private void StartWatch()
{
if(!Directory.Exists(TargetFolderPath.Text))
{
MessageBox.Show("フォルダが存在しません。");
return;
}
using (StreamWriter sw = new StreamWriter(_XmlPath, false, Encoding.UTF8))
{
new XmlSerializer(typeof(string)).Serialize(sw, TargetFolderPath.Text);
}
TimerWork();
// TimerのTickが実行される前に終了した場合、_XmlFileListが生成されていないため
// これで2つのXmlが存在する状態になる
_Timer.Start();
ButtonStateChange(ButtonState.working);
}
private void StopWatch()
{
_BeforeFileList.Clear();
File.Delete(_XmlFileList);
// 終了時、Xmlは1つ(Pathのみ)となる
_Timer.Stop();
ButtonStateChange(ButtonState.waiting);
}
enum ButtonState { working, waiting }
private void ButtonStateChange(ButtonState buttonState)
{
switch (buttonState)
{
case ButtonState.waiting:
StartButton.Enabled = true;
StopButton.Enabled = false;
TargetFolderPath.Enabled = true;
this.Text = "停止中";
break;
case ButtonState.working:
StartButton.Enabled = false;
StopButton.Enabled = true;
TargetFolderPath.Enabled = false;
this.Text = "監視中";
break;
}
}
}
public class MyFileInfo
{
public string Name;
public long Length;
}
}