Code First: A Practical Case

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Xah.MediaCatalogerLib.MetaInfo;
using Xah.MediaCatalogerLib.MetaInfo.Provider;
using Xah.MediaCatalogerLib.Model;

namespace Xah.MediaCataloger
{
    public partial class SearchMetaInfoForm : Form
    {
        public BasicVideoMetaInfo SelectedMatch { get; private set; }

        public SearchMetaInfoForm(string title, VideoMetaInfoProviderEnum provider)
        {
            InitializeComponent();

            // Set title
            titleTextBox.Text = title;

            // Fill providers
            providerComboBox.DataSource = Enum.GetValues(typeof(VideoMetaInfoProviderEnum));
            providerComboBox.SelectedItem = provider;            
        }

        private void SearchMetaInfoForm_Load(object sender, EventArgs e)
        {
            PerformSearch();
        }

        private void PerformSearch()
        {
            this.Cursor = Cursors.WaitCursor;
            
            IVideoMetaInfoProvider provider = VideoMetaInfoProviderFactory.CreateProvider((VideoMetaInfoProviderEnum)providerComboBox.SelectedItem);
            List<BasicVideoMetaInfo> matches = provider.Search(titleTextBox.Text).OrderByDescending(x => x.Year).ToList();
            FillList(matches);
            
            this.Cursor = Cursors.Default;
        }

        private void FillList(List<BasicVideoMetaInfo> matches)
        {
            matchesListView.Items.Clear();

            ImageList imgl = new ImageList();
            imgl.ColorDepth = ColorDepth.Depth24Bit;
            imgl.ImageSize = new Size(MediaCatalogerConstants.StandardPosterWidth / 2, MediaCatalogerConstants.StandardPosterHeight / 2);

            foreach (BasicVideoMetaInfo bvmi in matches)
            {
                if (bvmi.PosterImage != null)
                    imgl.Images.Add(bvmi.VideoMetaInfoProviderUrl, bvmi.PosterImage);
            }

            matchesListView.SmallImageList = imgl;
            foreach (BasicVideoMetaInfo bfi in matches)
            {
                ListViewItem lvi = new ListViewItem(new string[] { bfi.Title, bfi.Year.ToString() }, bfi.VideoMetaInfoProviderUrl);
                lvi.Tag = bfi;
                matchesListView.Items.Add(lvi);
            }

            titleTextBox.SelectAll();
            titleTextBox.Focus();
        }

        private void searchButton_Click(object sender, EventArgs e)
        {
            PerformSearch();
        }

        private void matchesListView_SelectedIndexChanged(object sender, EventArgs e)
        {
            bool isSelectionOk = (matchesListView.SelectedItems.Count == 1);
            selectButton.Enabled = isSelectionOk;
            SelectedMatch = null;

            if (isSelectionOk)
            {
                ListViewItem lvi = matchesListView.SelectedItems[0];
                SelectedMatch = lvi.Tag as BasicVideoMetaInfo;
            }
        }

        private void matchesListView_DoubleClick(object sender, EventArgs e)
        {
            AcceptForm();
        }

        private void selectButton_Click(object sender, EventArgs e)
        {
            AcceptForm();
        }

        private void AcceptForm()
        {
            if (SelectedMatch != null)
                this.DialogResult = DialogResult.OK;
        }
    }
}