#region Imports
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using System;
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using System.ComponentModel;
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using System.IO;
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using System.Windows.Forms;
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using SysAction = System.Action;
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#endregion
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namespace DPumpHydr.WinFrmUI.RLT.Controls
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{
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#region ParrotExtendedFileSystemWatcher
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public class ParrotExtendedFileSystemWatcher : Component
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{
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public ParrotExtendedFileSystemWatcher()
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{
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watcher.NotifyFilter = NotifyFilters.FileName | NotifyFilters.DirectoryName | NotifyFilters.Attributes | NotifyFilters.Size | NotifyFilters.LastWrite | NotifyFilters.LastAccess | NotifyFilters.CreationTime | NotifyFilters.Security;
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watcher.Filter = "*.*";
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watcher.IncludeSubdirectories = true;
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watcher.Created += OnCreated;
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watcher.Changed += OnChanged;
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watcher.Deleted += OnDeleted;
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watcher.Renamed += OnRenamed;
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watcher.EnableRaisingEvents = false;
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watcher.InternalBufferSize = 131072;
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}
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public event EventHandler ServiceStarted;
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protected virtual void OnServiceStarted()
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{
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ServiceStarted?.Invoke(this, null);
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}
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public event EventHandler ServiceStopped;
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protected virtual void OnServiceStopped(FileSystemEventArgs e)
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{
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ServiceStopped?.Invoke(this, null);
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}
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public event FileSystemEventHandler FileCreated;
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protected virtual void OnFileCreated(FileSystemEventArgs e)
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{
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FileCreated?.Invoke(this, e);
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}
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public event FileSystemEventHandler FileDeleted;
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protected virtual void OnFileDeleted(FileSystemEventArgs e)
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{
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FileDeleted?.Invoke(this, e);
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}
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public event FileSystemEventHandler FileChanged;
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protected virtual void OnFileChanged(FileSystemEventArgs e)
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{
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FileChanged?.Invoke(this, e);
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}
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public event RenamedEventHandler FileRenamed;
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protected virtual void OnFileRenamed(RenamedEventArgs e)
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{
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FileRenamed?.Invoke(this, e);
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}
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[Category("Parrot")]
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[Browsable(true)]
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[Description("Choose when the watcher updates")]
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public NotifyFilters UpdateOn
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{
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get => watcher.NotifyFilter;
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set => watcher.NotifyFilter = value;
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}
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[Category("Parrot")]
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[Browsable(true)]
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[Description("Watch subdirectories")]
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public bool WatchSubdirectories
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{
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get => watcher.IncludeSubdirectories;
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set => watcher.IncludeSubdirectories = value;
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}
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[Category("Parrot")]
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[Browsable(true)]
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[Description("The path to watch")]
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public string WatchPath
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{
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get => watcher.Path;
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set
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{
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if (Directory.Exists(value))
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{
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watcher.Path = value;
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return;
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}
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if (File.Exists(value))
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{
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watcher.Path = Path.GetDirectoryName(value);
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watcher.Filter = Path.GetFileName(value);
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}
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}
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}
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[Category("Parrot")]
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[Browsable(true)]
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[Description("Filter for certin files")]
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public string Filters
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{
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get => watcher.Filter;
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set => watcher.Filter = value;
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}
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[Category("Parrot")]
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[Browsable(true)]
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[Description("The control to output to(via Text)")]
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public Control OutputControl { get; set; }
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[Category("Parrot")]
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[Browsable(true)]
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[Description("Remove WatchPath from output")]
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public bool SlimOutput { get; set; } = true;
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public void StartService()
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{
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ServiceStarted(this, null);
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if (!watcher.EnableRaisingEvents)
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{
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watcher.EnableRaisingEvents = true;
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}
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}
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public void StopService()
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{
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ServiceStopped(this, null);
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if (watcher.EnableRaisingEvents)
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{
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watcher.EnableRaisingEvents = false;
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}
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}
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private void OnChanged(object source, FileSystemEventArgs e)
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{
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DateTime lastWriteTime = File.GetLastWriteTime(e.FullPath);
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if (lastWriteTime != lastRead && File.Exists(e.FullPath))
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{
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lastRead = lastWriteTime;
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if (SlimOutput)
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{
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OutputControl.Invoke(new SysAction(delegate ()
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{
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OutputControl.Text = OutputControl.Text + "\nChanged: " + e.FullPath.Replace(watcher.Path, "");
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}));
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}
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else
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{
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OutputControl.Invoke(new SysAction(delegate ()
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{
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OutputControl.Text = OutputControl.Text + "\nChanged: " + e.FullPath;
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}));
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}
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OnFileChanged(e);
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}
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}
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private void OnDeleted(object source, FileSystemEventArgs e)
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{
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DateTime lastWriteTime = File.GetLastWriteTime(e.FullPath);
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lastRead = lastWriteTime;
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if (SlimOutput)
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{
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if (OutputControl.InvokeRequired)
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{
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OutputControl.Invoke(new SysAction(delegate ()
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{
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OutputControl.Text = OutputControl.Text + "\nDeleted: " + e.FullPath.Replace(watcher.Path, "");
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}));
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}
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}
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else if (OutputControl.InvokeRequired)
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{
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OutputControl.Invoke(new SysAction(delegate ()
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{
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OutputControl.Text = OutputControl.Text + "\nDeleted: " + e.FullPath;
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}));
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}
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OnFileDeleted(e);
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}
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private void OnCreated(object source, FileSystemEventArgs e)
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{
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DateTime lastWriteTime = File.GetLastWriteTime(e.FullPath);
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if (lastWriteTime != lastRead)
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{
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lastRead = lastWriteTime;
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if (SlimOutput)
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{
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if (OutputControl.InvokeRequired)
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{
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OutputControl.Invoke(new SysAction(delegate ()
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{
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OutputControl.Text = OutputControl.Text + "\nCreated: " + e.FullPath.Replace(watcher.Path, "");
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}));
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}
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}
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else if (OutputControl.InvokeRequired)
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{
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OutputControl.Invoke(new SysAction(delegate ()
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{
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OutputControl.Text = OutputControl.Text + "\nCreated: " + e.FullPath;
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}));
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}
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OnFileCreated(e);
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}
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}
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public void OnRenamed(object source, RenamedEventArgs e)
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{
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DateTime lastWriteTime = File.GetLastWriteTime(e.FullPath);
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if (lastWriteTime != lastRead)
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{
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lastRead = lastWriteTime;
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if (SlimOutput)
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{
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if (OutputControl.InvokeRequired)
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{
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OutputControl.Invoke(new SysAction(delegate ()
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{
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OutputControl.Text = OutputControl.Text + "\nRenamed: " + e.FullPath.Replace(watcher.Path, "");
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}));
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}
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}
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else if (OutputControl.InvokeRequired)
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{
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OutputControl.Invoke(new SysAction(delegate ()
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{
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OutputControl.Text = OutputControl.Text + "\nRenamed: " + e.FullPath;
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}));
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}
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OnFileRenamed(e);
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}
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}
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private readonly FileSystemWatcher watcher = new();
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private DateTime lastRead = DateTime.MinValue;
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}
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#endregion
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}
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