source: 2014/tet/FileWatcher/FileWatcher/MainWindow.xaml.cs @ 5795

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
//using System.Windows.Forms;


namespace FileWatcher
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public const string DIRECTORY_DEFAULT_TEXT = @"C:\MyParentFolder\MyFolder";
        public const string EXTENSIONS_DEFAULT_TEXT = ".mp3, .avi, .txt, .*";

        public static ScrollViewer MessageWindow;
        public static ListBox ProgramWindow;
        public static TextBox Directory;
        public static TextBox Extensions;
        public static CheckBox CreationBox;
        public static CheckBox DeletionBox;
        public static CheckBox ChangeBox;
        public static CheckBox RenameBox;
        public static CheckBox SubfolderBox;
        public static Button StartButton;
        public static Button StopButton;
        public static Button ResetButton;
        public static Button LoadButton;
        public static Button DirectoryBrowseButton;
        public static Dispatcher UIDispatcher = Dispatcher.CurrentDispatcher;

        public MainWindow()
        {
            InitializeComponent();
            MessageWindow = messageWindow;
            ProgramWindow = programList;
            CreationBox = creationBox;
            DeletionBox = deletionBox;
            ChangeBox = changeBox;
            RenameBox = renameBox;
            Directory = directory;
            Extensions = extensions;
            SubfolderBox = subdirectoryCheckbox;
            StartButton = startButton;
            StopButton = stopButton;
            ResetButton = clearButton;
            LoadButton = loadSettings;
            DirectoryBrowseButton = directorySelection;
            Program.Initialize();
        }

        private void directorySelection_Click(object sender, RoutedEventArgs e)
        {
            var dialog = new System.Windows.Forms.FolderBrowserDialog();
            System.Windows.Forms.DialogResult result = dialog.ShowDialog();
            Program.SelectedFolder = dialog.SelectedPath;
            directory.Text = dialog.SelectedPath;
            directory.Foreground = Brushes.Black;
        }

        private void directory_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (directory.Text != DIRECTORY_DEFAULT_TEXT)
            {
                Program.SelectedFolder = directory.Text;
            }
            if (directory.Text == String.Empty) Program.SelectedFolder = null;
        }

        /// <summary>
        /// Hakemistotekstiboksia klikataan
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void directory_GotFocus(object sender, RoutedEventArgs e)
        {
            if (directory.Text == DIRECTORY_DEFAULT_TEXT)
            {
                directory.Text = "";
                directory.Foreground = Brushes.Black;
            }
        }

        private void directory_LostFocus(object sender, RoutedEventArgs e)
        {
            if (directory.Text == "")
            {
                directory.Text = DIRECTORY_DEFAULT_TEXT;
                directory.Foreground = Brushes.Silver;
            }
        }

        private void directory_KeyDown(object sender, System.Windows.Input.KeyEventArgs e)
        {
            if (e.Key == Key.Enter)
            {
                Program.SelectedFolder = directory.Text;
                directory.MoveFocus(new TraversalRequest(FocusNavigationDirection.Down));
            }
        }

        private void extensions_KeyDown(object sender, System.Windows.Input.KeyEventArgs e)
        {
            if (e.Key == Key.Enter)
            {
                Program.SelectedFileExtensions = ErotteleTiedostotyypit(extensions.Text);
            }
        }

        /// <summary>
        /// Erotellaan merkkijonosta tiedostopäätteet erilleen.
        /// </summary>
        /// <param name="tyypit">Tiedostotyypit eroteltuna pilkulla.</param>
        private String[] ErotteleTiedostotyypit(String tyypit)
        {
            String[] päätteet;
            StringBuilder sb = new StringBuilder();

            // poistetaan välilyönnit
            for (int i = 0; i < tyypit.Length; i++)
            {
                if (tyypit[i] != ' ') sb.Append(tyypit[i]);
            }

            päätteet = sb.ToString().Split(',');

            for (int i = 0; i < päätteet.Length; i++)
            {
                päätteet[i] = päätteet[i].Insert(0, "*");
            }

            return päätteet;
        }

        private void extensions_LostFocus(object sender, RoutedEventArgs e)
        {
            if (extensions.Text == "")
            {
                extensions.Text = EXTENSIONS_DEFAULT_TEXT;
                extensions.Foreground = Brushes.Silver;
            }
            else Program.SelectedFileExtensions = ErotteleTiedostotyypit(extensions.Text);
        }

        private void extensions_GotFocus(object sender, RoutedEventArgs e)
        {
            if (extensions.Text == EXTENSIONS_DEFAULT_TEXT)
            {
                extensions.Text = "";
                extensions.Foreground = Brushes.Black;
            }
        }

        private void startButton_Click(object sender, RoutedEventArgs e)
        {
            bool onnistuiko = Program.Start();
            if (onnistuiko)
            {
                extensions.IsEnabled = false;
                directory.IsEnabled = false;
                startButton.IsEnabled = false;
                stopButton.IsEnabled = true;
                clearButton.IsEnabled = false;

                subdirectoryCheckbox.IsEnabled = false;
                CreationBox.IsEnabled = false;
                DeletionBox.IsEnabled = false;
                ChangeBox.IsEnabled = false;
                RenameBox.IsEnabled = false;
                LoadButton.IsEnabled = false;
                DirectoryBrowseButton.IsEnabled = false;
            }
        }

        private void executeAdd_Click(object sender, RoutedEventArgs e)
        {
            ProgramSelection selectionWindow;
            /*if (MainWindow.ProgramWindow.SelectedIndex != -1)
            {
                selectionWindow = new ProgramSelection(MainWindow.ProgramWindow.SelectedIndex, true);
            }
            else */selectionWindow = new ProgramSelection();
            selectionWindow.Show();
        }

        private void executeRemove_Click(object sender, RoutedEventArgs e)
        {
            int i = programList.SelectedIndex;
            if (i == -1) return;

            Program.ExecutablePrograms.RemoveAt(i);
            Program.UpdateExecutableList();
        }

        private void executeEdit_Click(object sender, RoutedEventArgs e)
        {
            if (programList.SelectedIndex == -1) return;
            ProgramSelection selectionWindow = new ProgramSelection(Program.ExecutablePrograms[programList.SelectedIndex].Path, Program.ExecutablePrograms[programList.SelectedIndex].Arguments, Program.ExecutablePrograms[programList.SelectedIndex].HasFileAsFirstParameter, programList.SelectedIndex);
            selectionWindow.Show();
        }

        private void stopButton_Click(object sender, RoutedEventArgs e)
        {
            Program.StopWatching();
            stopButton.IsEnabled = false;
            startButton.IsEnabled = true;
            extensions.IsEnabled = true;
            directory.IsEnabled = true;
            clearButton.IsEnabled = true;

            subdirectoryCheckbox.IsEnabled = true;
            CreationBox.IsEnabled = true;
            DeletionBox.IsEnabled = true;
            ChangeBox.IsEnabled = true;
            RenameBox.IsEnabled = true;
            DirectoryBrowseButton.IsEnabled = true;
            LoadButton.IsEnabled = true;
        }

        private void optionsButton_Click(object sender, RoutedEventArgs e)
        {
            Options options = new Options();
            options.Show();
        }

        public static void UpdateVisuals()
        {
            if (Program.SelectedFolder != "" && Program.SelectedFolder != null)
            {
                Directory.Text = Program.SelectedFolder;
                Directory.Foreground = Brushes.Black;
            }

            if (Program.SelectedFileExtensions != null)
            {
                string result = "";
                foreach (String extension in Program.SelectedFileExtensions)
                {
                    result += extension;
                }

                if (result != "")
                {
                    Extensions.Text = result;
                    Extensions.Foreground = Brushes.Black;
                }
            }

            if (Program.ExecutablePrograms != null)
                Program.UpdateExecutableList();

            CreationBox.IsChecked = Program.WatchCreation;
            DeletionBox.IsChecked = Program.WatchDeletion;
            ChangeBox.IsChecked = Program.WatchChanges;
            RenameBox.IsChecked = Program.WatchRenaming;
            SubfolderBox.IsChecked = Program.WatchSubdirectories;
        }

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (Program.SaveSettingsAutomatically)
            {
                Program.SaveSettings();
                Program.LogWriter.WriteLine();
                Program.LogWriter.WriteLine();
                Program.LogWriter.Flush();
                Program.LogWriter.Close();
                Program.LogWriter.Dispose();
            }
            Program.StopWatching();
        }

        private void saveSettings_Click(object sender, RoutedEventArgs e)
        {
            Program.SaveSettings();
            Program.AddMessage("Saved current settings.");
        }

        private void loadSettings_Click(object sender, RoutedEventArgs e)
        {
            OptionsFile of = Program.LoadSettings();
            Program.UseSettings(of);
            UpdateVisuals();
            Program.AddMessage("Loaded previous settings.");
        }

        private void clearButton_Click(object sender, RoutedEventArgs e)
        {
            directory.Text = DIRECTORY_DEFAULT_TEXT;
            directory.Foreground = Brushes.Silver;
            Program.SelectedFolder = "";
            extensions.Text = EXTENSIONS_DEFAULT_TEXT;
            extensions.Foreground = Brushes.Silver;
            Program.SelectedFileExtensions = null;
            creationBox.IsChecked = true;
            deletionBox.IsChecked = false;
            changeBox.IsChecked = false;
            renameBox.IsChecked = false;
            if (Program.ExecutablePrograms != null)
            {
                Program.ExecutablePrograms.Clear();
                Program.UpdateExecutableList();
            }
            Program.ClearMessages();
        }

        private void subdirectoryCheckbox_Checked(object sender, RoutedEventArgs e)
        {
            Program.WatchSubdirectories = true;
        }

        private void subdirectoryCheckbox_Unchecked(object sender, RoutedEventArgs e)
        {
            Program.WatchSubdirectories = false;
        }
    }
}