//-----------------------------------------------------------------------
// <copyright file="ApplicationTree.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 UserInterface.GUI
{
    using System.Drawing;
    using System.Windows.Forms;
    using global::SharedObjects.GUI;
    using global::SharedObjects.GUI.Popup;
    using global::UserInterface.GUI.Objects;

    /// <summary>
    /// Class for navigation tree in application.
    /// </summary>
    public partial class ApplicationTree : UserControl, IApplicationTree
    {
        /// <summary>
        /// List of icons.
        /// </summary>
        private static readonly string[] iconKeys =
        {
            "application_cascade.png",
            "application_form_magnify.png",
            "car.png", // Car
            "car_yellow.png", // Car Yellow
            "car_red.png", // Car Red
            "chart_line.png",
            "cog.png", // Cog
            "cog_edit.png", // Cog Edit
            "cog_green.png", // Cog Green
            "connect.png", // Connect
            "connect_green.png", // Connect Green
            "disconnect.png", // Disconnect
            "disconnect_yellow.png", // Disconnect Yellow
            "eye.png",
            "folder_wrench.png",
            "table_multiple.png",
            "text_columns.png",
            "wrench.png", // Wrench
            "wrench_orange.png", // Orange Wrench
            "SubaruIcon.png",
        };

        /// <summary>
        /// List of images in tree.
        /// </summary>
        private ImageList imageList = new ImageList();

        /// <summary>
        /// Root node instance for interfaces.
        /// </summary>
        private TreeNode interfacesRootNode = null;

        /// <summary>
        /// Root node instance for preferences.
        /// </summary>
        private TreeNode preferencesRootNode = null;

        /// <summary>
        /// Current content panel instance.
        /// </summary>
        private Panel contentPanel;

        /// <summary>
        /// First page panel instance.
        /// </summary>
        private FirstPagePanel firstPagePanel;

        /// <summary>
        /// Activation callback for hints.
        /// </summary>
        private IHintActivator hintActivator;

        /// <summary>
        /// Initializes a new instance of the <see cref="ApplicationTree" /> class.
        /// </summary>
        public ApplicationTree()
        {
            this.InitializeComponent();
        }

        /// <summary>
        /// Gets or sets data file directory path.
        /// </summary>
        private string dataFileDir { get; set; }

        /// <summary>
        /// Initialize the instance.
        /// </summary>
        /// <param name="contentPanel">Instance of panel where the tree is located.</param>
        /// <param name="hintActivator">Hint activator instance.</param>
        /// <param name="dataFileDir">Data file directory path.</param>
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Reliability", "CA2000:Dispose objects before losing scope", Justification = "Reviewed, intentional.")]
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1500:VariableNamesShouldNotMatchFieldNames", MessageId = "hintActivator", Justification = "Intentional")]
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1500:VariableNamesShouldNotMatchFieldNames", MessageId = "contentPanel", Justification = "Reviewed, intentional.")]
        public void init(Panel contentPanel, IHintActivator hintActivator, string dataFileDir)
        {
            this.contentPanel = contentPanel;
            this.hintActivator = hintActivator;
            this.dataFileDir = dataFileDir;

            this.addIcons();

            this.treeView1.ShowNodeToolTips = true;

            this.firstPagePanel = new FirstPagePanel(this, this.dataFileDir);

            this.interfacesRootNode = new PanelTreeNode("Interfaces", "connect.png", "connect.png", this.firstPagePanel);

            this.treeView1.Nodes.Add(this.interfacesRootNode);

            this.interfacesRootNode.Expand();
        }

        /// <summary>
        /// Set the preferences node page.
        /// </summary>
        /// <param name="preferencesPanel">Preferences panel instance.</param>
        public void setPreferencesNode(UserControl preferencesPanel)
        {
            this.preferencesRootNode = new PanelTreeNode("Preferences", "wrench.png", "wrench_orange.png", preferencesPanel);
            this.preferencesRootNode.ToolTipText = "Configure your personal preferences.";
            this.treeView1.Nodes.Add(this.preferencesRootNode);
        }

        /// <summary>
        /// Add interface node.
        /// </summary>
        /// <param name="name">Node Name.</param>
        /// <param name="interfacePanel">Control to display when node is selected.</param>
        public void addInterfaceNode(string name, IInterfacePanel interfacePanel)
        {
            if (interfacePanel != null)
            {
                TreeNode interfaceNode = new PanelTreeNode(name, "disconnect_yellow.png", "disconnect_yellow.png", (UserControl)interfacePanel);
                this.interfacesRootNode.Nodes.Add(interfaceNode);
                interfacePanel.setPanelTreeNode(interfaceNode);

                this.firstPagePanel.registerNode(interfacePanel.iPassThru.code, interfaceNode);
            }
        }

        /// <summary>
        /// Select the given node in the tree.
        /// </summary>
        /// <param name="node">Node to select.</param>
        public void selectNode(TreeNode node)
        {
            this.treeView1.SelectedNode = node;
            this.showNodeContent(node);
        }

        /// <summary>
        /// Add icons to the tree view.
        /// </summary>
        private void addIcons()
        {
            string missingFiles = string.Empty;

            for (int i = 0; i < iconKeys.Length; i++)
            {
                try
                {
                    Image img = Image.FromFile(this.dataFileDir + "Icons\\" + iconKeys[i]);
                    this.imageList.Images.Add(iconKeys[i], img);
                }
                catch
                {
                    missingFiles += this.dataFileDir + "Icons\\" + iconKeys[i] + "\r\n";
                }
            }

            if (missingFiles.Length > 0)
            {
                MessageBox.Show(
                    "The following icons couldn't be loaded:\r\n\r\n"
                    + missingFiles + "\r\n\r\nThe user experience will be impacted.",
                    "Warning",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Warning);
            }

            this.treeView1.ImageList = this.imageList;
        }

        /// <summary>
        /// Action to perform after a selection of an item in the tree.
        /// </summary>
        /// <param name="sender">Sending object.</param>
        /// <param name="e">Event data.</param>
        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
        {
            TreeView tv = (TreeView)sender;
            if (tv.Focused)
            {
                TreeNode node = e.Node;
                this.showNodeContent(node);
            }
        }

        /// <summary>
        /// Show the selected node content.
        /// </summary>
        /// <param name="node">The node carrying the content to be displayed.</param>
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1800:DoNotCastUnnecessarily", Justification = "Reviewed, intentional.")]
        private void showNodeContent(TreeNode node)
        {
            if (node is PanelTreeNode)
            {
                PanelTreeNode panelTreeNode = (PanelTreeNode)node;
                this.contentPanel.Controls.Clear();
                UserControl userControl = panelTreeNode.userControl;
                if ((userControl.Anchor & System.Windows.Forms.AnchorStyles.Left) == System.Windows.Forms.AnchorStyles.Left
                    && (userControl.Anchor & System.Windows.Forms.AnchorStyles.Right) == System.Windows.Forms.AnchorStyles.Right)
                {
                    userControl.Width = this.contentPanel.Width - 4;
                }

                if ((userControl.Anchor & System.Windows.Forms.AnchorStyles.Top) == System.Windows.Forms.AnchorStyles.Top
                    && (userControl.Anchor & System.Windows.Forms.AnchorStyles.Bottom) == System.Windows.Forms.AnchorStyles.Bottom)
                {
                    userControl.Height = this.contentPanel.Height - 4;
                }

                // userControl.Anchor
                this.contentPanel.Controls.Add(userControl);
                this.hintActivator.showHints(userControl);

                if (!this.treeView1.Focused)
                {
                    userControl.Focus();
                }
            }
        }
    }
}