frmplugin.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using FirebirdSql.Data.FirebirdClient;

namespace GPCore.Forms
{
    /// <summary>
    /// Allows the user to see which plugins are available and determine which should
    /// be loaded when the program starts.
    /// </summary>
    internal partial class frmPlugin : Form
    {
        private bool doneLoading = false;

        /// <summary>
        /// Creates a new frmPlugin
        /// </summary>
        public frmPlugin()
        {
            doneLoading = false;
            InitializeComponent();
        }

        private void frmInterface_Load(object sender, EventArgs e)
        {

            listView.SuspendLayout();
            foreach (String s in Core.PluginManager.Listeners)
            {
                object[] os = Core.PluginManager.GetAttributes(s);
                foreach (object o in os)
                {
                    PluginAttribute pa = null;
                    if (o is PluginAttribute)
                    {
                        pa = (o as PluginAttribute);

                        ListViewItem li = listView.Items.Add(pa.Title);
                        li.Name = s;
                        li.Tag = s;
                        li.SubItems.Add(pa.Description);
                        li.SubItems.Add(pa.Company);
                        li.SubItems.Add(pa.Version);
                        li.SubItems.Add(pa.Developers);
                    }
                }
            }
            if (listView.Items.Count > 0)
                listView.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
            else listView.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize);
            initChecks();
            doneLoading = true;
            listView.ResumeLayout();
        }

        private void initChecks()
        {
            //if (File.Exists(PluginManager.pluginFile))
            //{
            //    StreamReader sr = new StreamReader(PluginManager.pluginFile);
            //    while (!sr.EndOfStream)
            //    {
            //        string s = sr.ReadLine();
            //        listView.Items[s].Checked = true;
            //    }
            //    sr.Close();
            //}
            Sql.ExecuteReader(new Sql.ActOnQuery(delegate(GPDataReader read)
            {
                while (read.Read())
                {
                    listView.Items[read.GetString(0).Trim()].Checked = true;
                }
            }), "Select Typename from Plugins");
        }

        private void cmdClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void listView_ItemChecked(object sender, ItemCheckedEventArgs e)
        {
            if (!doneLoading) return;
            //if (e.Item.Checked == true)
            //{
            //    StreamWriter sw = new StreamWriter(PluginManager.pluginFile, true);
            //    sw.WriteLine(e.Item.Name);
            //    Core.CreateInstance(e.Item.Name);
            //    sw.Close();
            //}
            //else
            //{
            //    StreamWriter sw = new StreamWriter(PluginManager.pluginFile, false);
            //    Core.DestroyInstance(e.Item.Name);
            //    foreach (ListViewItem li in listView.CheckedItems)
            //    {
            //        sw.WriteLine(li.Name);
            //    }
            //    sw.Close();
            //}
            if (e.Item.Checked)
            {
                Core.CreateInstance(e.Item.Name);
                Sql.ExecuteNonQuery("Insert into plugins (Typename) values(?)", e.Item.Name);
            }
            else
            {
                Core.DestroyInstance(e.Item.Name);
                Sql.ExecuteNonQuery("Delete from plugins where Typename = ?", e.Item.Name);
            }
        }
    }
}