/CommandLauncher/Form1.cs

/*

 * TeaLauncher. Simple command launcher.

 * Copyright (C) Toshiyuki Hirooka <toshi.hirooka@gmail.com> http://wasabi.in/

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 */





using System;

using System.Collections;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Diagnostics;



namespace CommandLauncher

{



    public partial class MainWindow

        : Form

        , ICommandManagerInitializer

        , ICommandManagerFinalizer

        , ICommandManagerDialogShower

    {

        // コマンド管理

        CommandManager m_CommandManager;



        // 読み込んだコンフィグのファイル名

        string m_ConfigFileName;



        // ホットキー

        HotKey m_Hotkey;



        string LICENSE = @"TeaLauncher. Simple command launcher.

Copyright (C) Toshiyuki Hirooka <toshi.hirooka@gmail.com> http://wasabi.in/



This program is free software; you can redistribute it and/or

modify it under the terms of the GNU General Public License

as published by the Free Software Foundation; either version 2

of the License, or (at your option) any later version.



This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.



You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.";



    

        public MainWindow(string conf_filename)

        {

            m_CommandManager = new CommandManager(this, this, this);



            InitializeComponent();



            try

            {

                // 設定を読み込んで反映する

                InitializeByConfigFile(conf_filename);

            }

            catch (MainWindowNotExistsLinkToException e)

            {

                MessageBox.Show(e.Message + "\n" + "filename : "+ conf_filename, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);

            }

            catch (Exception e)

            {

                MessageBox.Show(e.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);

            }



#if DEBUG

            m_Hotkey = new HotKey(MOD_KEY.ALT, Keys.Space);

#else

            m_Hotkey = new HotKey(MOD_KEY.CONTROL, Keys.Space);

#endif

            m_Hotkey.HotKeyPressed += new EventHandler(PressHotkey);

        }



        void InitializeByConfigFile(string filename)

        {

            m_ConfigFileName = filename;

            m_CommandManager.ClearCommands();



            ConfigLoader conf = new ConfigLoader();

            conf.LoadConfigFile(filename);

            List<string> sections = conf.GetSections();

            foreach (string section in sections)

            {

                Hashtable hashtable = conf.GetConfig(section);

                Command cmd = new Command();

                cmd.command = section;

                cmd.execution = (string)hashtable["linkto"];

                if (cmd.execution == null)

                    throw new MainWindowNotExistsLinkToException();

                m_CommandManager.RegisterCommand(cmd);

            }

        }



        public void Reinitialize()

        {

            InitializeByConfigFile(m_ConfigFileName);

        }



        public void Exit()

        {

            Application.Exit();

            m_Hotkey.Dispose();

        }



        public void ShowVersionInfo()

        {

            System.Diagnostics.FileVersionInfo version =

                System.Diagnostics.FileVersionInfo.GetVersionInfo(

                System.Reflection.Assembly.GetExecutingAssembly().Location);



            MessageBox.Show(version.FileDescription + " version " + version.FileVersion + "\n" +

                "--------------------------------" + "\n" +

                LICENSE, version.FileDescription);

        }



        public void ShowError(string message)

        {

            MessageBox.Show(message);

        }



        void PressHotkey(object sender, EventArgs e)

        {

            // 非表示なら表示してアクティブにする。アクティブなら非アクティブにして非表示にする。

            if (IsWindowShown())

            {

                if (Form.ActiveForm != this)

                {

                    this.Activate();

                }

                else

                {

                    HideWindow();

                }

            }

            else

            {

                ShowWindow();

                this.Activate();

            }

        }



        bool IsWindowShown()

        {

            return this.Visible;

        }



        private void ShowWindow()

        {

            this.Show();



            IMEController ime = new IMEController();

            ime.Off();

            ime.On();

            ime.Off();

        }



        private void HideWindow()

        {

            this.Hide();

            ClearCommandBox();

        }



        private void command_box_PreviewKeyDown_1(object sender, PreviewKeyDownEventArgs e)

        {

            switch (e.KeyCode)

            {

                case Keys.Escape:

                case Keys.Tab:

                    e.IsInputKey = true;

                    break;

            }

        }



        private void command_box_KeyDown(object sender, KeyEventArgs e)

        {

            switch (e.KeyCode)

            {

                case Keys.Tab:

                    {

                        e.Handled = true;



                        // 補完する

                        CompleteCommandBox();

                    }

                    break;



                case Keys.Escape:

                    {

                        e.Handled = true;



                        if (command_box.Text != "")

                        {

                            ClearCommandBox();

                        }

                        else

                        {

                            HideWindow();

                        }

                    }

                    break;



                case Keys.Enter:

                    {

                        e.Handled = true;



                        RunCommand(command_box.Text);

                    }

                    break;

            }

        }



        private void CompleteCommandBox()

        {

            // 補完候補など取得

            string input_str = this.command_box.Text;

            List<string> candidates = m_CommandManager.GetCandidates(input_str);

            string compl_str = m_CommandManager.AutoCompleteWord(input_str);



            // 候補があればコマンドボックスを補完する

            if (candidates.Count != 0)

            {

                // 候補が2つ以上あるなら

                if (candidates.Count >= 2)

                {

                    // コンボボックスに候補を表示する

                    command_box.Items.Clear();

                    command_box.DroppedDown = true;

                    foreach (string str in candidates)

                    {

                        command_box.Items.Add(str);

                    }

                }

                else

                {

                    ClearDropBox();

                }



                // 補完文字列を表示

                command_box.Text = compl_str;

                command_box.SelectionStart = command_box.Text.Length;

            }

            else

            {

                ClearDropBox();

            }

        }



        private void ClearCommandBox()

        {

            // クリアする

            ClearDropBox();

            command_box.Text = "";

        }



        private void ClearDropBox()

        {

            // クリアする

            command_box.DroppedDown = false;

            command_box.Items.Clear();

            command_box.SelectionStart = command_box.Text.Length; // Items.Clear するとおかしくなるから

        }



        private void RunCommand(string command)

        {

            if (m_CommandManager.HasCommand(command))

            {

                Debug.WriteLine("Run : " + command);



                ClearCommandBox();

                HideWindow();



                try

                {

                    m_CommandManager.Run(command);

                }

                catch (Exception e)

                {

                    MessageBox.Show(e.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);

                }

            }

        }



        private void MainWindow_Shown(object sender, EventArgs e)

        {

            // 起動時は非表示

            HideWindow();

        }



    }





    class MainWindowNotExistsLinkToException

        : Exception

    {

        public override string Message

        {

            get { return "設定ファイルに \"linkto\" キーが存在しません。"; }

        }

    }

}