//-----------------------------------------------------------------------
// <copyright file="TelltaleIconSelector.cs" company="bedug.com">
//     Copyright © 2012 Nils Hammar. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
/*
 * Software to access vehicle information via the OBD-II connector.
 * 
 * Copyright © 2012 Nils Hammar
 * 
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 * 
 * Alternative licensing is possible, see the licensing document.
 * 
 * The above text may not be removed or modified.
 */

namespace Gauges
{
    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 global::SharedObjects.DataMgmt;
    using global::SharedObjects.Misc;

    /// <summary>
    /// Select which gauge to use.
    /// </summary>
    public partial class TelltaleIconSelector : Form
    {
        /// <summary>
        /// Gets selected telltale icon.
        /// </summary>
        public string selectedIcon { get; private set; }

        /// <summary>
        /// Current telltale icon.
        /// </summary>
        private string currentIcon;

        /// <summary>
        /// Data source interface instance.
        /// </summary>
        private IDataSource iDataSource;

        /// <summary>
        /// Image list instance.
        /// </summary>
        private ImageList imageList;

        /// <summary>
        /// Initializes a new instance of the <see cref="TelltaleIconSelector" /> class.
        /// </summary>
        /// <param name="dataFileDir">Data file directory path.</param>
        /// <param name="iDataSource">Data source interface instance.</param>
        /// <param name="currentIcon">Current telltale icon.</param>
        public TelltaleIconSelector(
            string dataFileDir,
            IDataSource iDataSource,
            string currentIcon)
        {
            this.iDataSource = iDataSource;
            this.selectedIcon = currentIcon;
            this.currentIcon = currentIcon;

            this.InitializeComponent();

            int imgSize = 64;
            this.imageList = new ImageList();
            this.imageList.ImageSize = new Size(imgSize, imgSize);
            this.listView1.LargeImageList = this.imageList;
            this.listView1.MultiSelect = false;
            ListViewItem selectedItem = null;
            foreach (XmlClass.icon icon in this.iDataSource.icons)
            {
                if (!icon.key.StartsWith("_"))
                {
                    Image img = Image.FromFile(dataFileDir + "Icons\\" + icon.file);
                    Bitmap bmp = Utils.getScaledImage2(img, imgSize, imgSize, 1);

                    this.imageList.Images.Add(icon.key, bmp);
                    ListViewItem item = new ListViewItem(icon.file, icon.key);
                    if (!string.IsNullOrEmpty(currentIcon) && currentIcon.Equals(icon.file))
                    {
                        selectedItem = item;
                    }

                    this.listView1.Items.Add(item);
                }
            }

            if (selectedItem != null)
            {
                selectedItem.Selected = true;
            }

            this.listView1.Focus();
        }

        /// <summary>
        /// Handle OK button click.
        /// </summary>
        /// <param name="sender">Sending object.</param>
        /// <param name="e">Event data.</param>
        private void okButton_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.OK;
        }

        /// <summary>
        /// Handle Cancel button click.
        /// </summary>
        /// <param name="sender">Sending object.</param>
        /// <param name="e">Event data.</param>
        private void cancelButton_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
        }

        /// <summary>
        /// Telltale icon selection changed.
        /// </summary>
        /// <param name="sender">Sending object.</param>
        /// <param name="e">Event data.</param>
        private void listView1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (this.listView1.SelectedItems.Count > 0)
            {
                ListViewItem item = this.listView1.SelectedItems[0];
                this.selectedIcon = item.Text;
            }
            else
            {
                this.selectedIcon = this.currentIcon;
            }

            this.textBox1.Text = this.selectedIcon;
            this.okButton.Enabled = !string.IsNullOrEmpty(this.selectedIcon);
        }
    }
}