#region Using

using System;
using System.Windows.Forms;
using ORiN2.interop.CAO;

#endregion Using

namespace FL_netCaoTester
{
    public partial class Form1 : Form
    {

        #region Fields

        private delegate void SetMessageCallback(CaoMessage pICaoMsg);

        public CaoEngine caoEng;
        public CaoWorkspaces caoWss;
        public CaoWorkspace caoWs;
        public CaoControllers caoCtrls;
        public CaoController caoCtrl;
        //public CaoExtension caoExt;

        private bool ctrlLoaded;

        private Form2 Ctrl;

        #endregion Fields

        #region Constructor

        public Form1()
        {
            InitializeComponent();
        }

        #endregion Constructor

        #region Load/Closed

        private void Form1_Load(object sender, EventArgs e)
        {
            this.CtrlEnable(false);
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            this.CtrlClose();
        }

        #endregion Load/Closed

        #region Controller
        
        private void button_Add_Click(object sender, EventArgs e)
        {
            this.CtrlLoad();
        }

        private void button_Del_Click(object sender, EventArgs e)
        {
            this.CtrlClose();
        }

        private void CtrlLoad()
        {
            if (!this.ctrlLoaded)
            {
                try
                {
					button_Add.Enabled = false;

                    // CAO エンジン生成
                    this.caoEng = new CaoEngine();
                    this.caoWss = this.caoEng.Workspaces;
                    this.caoWs = this.caoWss.Item(0);

                    // コントローラコレクションの取得
                    this.caoCtrls = this.caoWs.Controllers;

                    // コントローラに接続
                    this.caoCtrl = this.caoCtrls.Add(this.textBox_CtrlName.Text,
                                                     this.textBox_ProvName.Text,
                                                     this.textBox_MachineName.Text,
                                                     this.textBox_Option.Text);

                    // OnMessage イベントハンドラの登録
                    this.caoCtrl.OnMessage += new _ICaoControllerEvents_OnMessageEventHandler(caoCtrl_OnMessage);

                    this.CtrlEnable(true);

                    // コントローラ用ウィンドウ表示
                    this.Ctrl = new Form2();
                    this.Ctrl.ShowDialog(this);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);

					button_Add.Enabled = true;
                }
            }
        }

        private void CtrlClose()
        {
            if (this.ctrlLoaded)
            {
                try
                {
					button_Del.Enabled = false;

                    // コントローラオブジェクトの解放
                    if (this.caoCtrl != null)
                    {
						this.caoCtrl.OnMessage -= new _ICaoControllerEvents_OnMessageEventHandler(caoCtrl_OnMessage);
						//this.caoCtrls.Remove(this.caoCtrl.Name);
						this.caoCtrls.Remove(this.caoCtrl.Index);
						System.Runtime.InteropServices.Marshal.ReleaseComObject(this.caoCtrl);
                        this.caoCtrl = null;
                    }
                    if (this.caoCtrls != null)
                    {
                        System.Runtime.InteropServices.Marshal.ReleaseComObject(this.caoCtrls);
                        this.caoCtrls = null;
                    }
                    if (this.caoWs != null)
                    {
                        System.Runtime.InteropServices.Marshal.ReleaseComObject(this.caoWs);
                        this.caoWs = null;
                    }
                    if (this.caoWss != null)
                    {
                        System.Runtime.InteropServices.Marshal.ReleaseComObject(this.caoWss);
                        this.caoWss = null;
                    }
                    if (this.caoEng != null)
                    {
                        System.Runtime.InteropServices.Marshal.ReleaseComObject(this.caoEng);
                        this.caoEng = null;
                    }

                    this.CtrlEnable(false);

                    if (this.Ctrl != null || !this.Ctrl.IsDisposed)
                    {
                        this.Ctrl.Close();
                        this.Ctrl = null;
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);

					button_Del.Enabled = true;
                }
            }
        }

        private void CtrlEnable(bool enable)
        {
            if (enable)
            {
                this.ctrlLoaded = true;
                this.button_Add.Enabled = false;
                this.button_Del.Enabled = true;
                this.textBox_CtrlName.Enabled = false;
                this.textBox_ProvName.Enabled = false;
                this.textBox_MachineName.Enabled = false;
                this.textBox_Option.Enabled = false;
            }
            else
            {
                this.ctrlLoaded = false;
                this.button_Add.Enabled = true;
                this.button_Del.Enabled = false;
                this.textBox_CtrlName.Enabled = true;
                this.textBox_ProvName.Enabled = true;
                this.textBox_MachineName.Enabled = true;
                this.textBox_Option.Enabled = true;
            }
        }

        #endregion Controller

        #region OnMessage

        void caoCtrl_OnMessage(CaoMessage pICaoMess)
        {
            try
            {
                // 別スレッドのメソッド呼び出し
                //SetMessageCallback XXX = new SetMessageCallback(YYY);
                //Invoke(XXX, pICaoMess);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        #endregion OnMessage
    }
}