using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using DevExpress.XtraTreeList.Nodes;
using GeoSigma.SigmaDrawerUtil;
using UCDraw;

namespace PcgDrawR
{
    public partial class FrmOptions : DevExpress.XtraEditors.XtraForm
    {
        private DrawerConfig sysConfig;
        public FrmOptions()
        {
            InitializeComponent();

            this.LoadData();
        }
        /// <summary>
        /// 加载配置数据.
        /// </summary>
        private void LoadData()
        {
            this.sysConfig = DrawerConfig.Instance.Clone();
            this.trlDataItem.Nodes.Clear();

            // 系统设置节点
            foreach (var node in this.sysConfig.ConfigNodes)
            {
                if (node.Display == true)
                {
                    TreeListNode tln = this.trlDataItem.Nodes.Add(new object[] { node.Caption, node.Name });
                    tln.ImageIndex = 1;
                    tln.Tag = node.ConfigItems;
                }
            }
            trlDataItem.ExpandAll();
        }

        /// <summary>
        /// trls the data item_ focused node changed.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void trlDataItem_FocusedNodeChanged(object sender, DevExpress.XtraTreeList.FocusedNodeChangedEventArgs e)
        {
            if (e.Node == null)
            {
                return;
            }
            object obj = e.Node.Tag;
            if (obj != null)
            {
                this.propertyGridControl1.SelectedObject = (CustomProperties)obj;
            }
            else
            {
                this.propertyGridControl1.SelectedObject = null;
            }
        }

        /// <summary>
        /// btns the o k_ click.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void btnOK_Click(object sender, EventArgs e)
        {
            this.sysConfig.Save();
            DrawerConfig.Instance = this.sysConfig;
            this.DialogResult = DialogResult.OK;
        }

        /// <summary>
        /// Frms the options_ load.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void FrmOptions_Load(object sender, EventArgs e)
        {
            if (this.trlDataItem.Nodes.Count > 0)
            {
                trlDataItem_FocusedNodeChanged(
                    this.trlDataItem
                    , new DevExpress.XtraTreeList.FocusedNodeChangedEventArgs(null, this.trlDataItem.Nodes[0]));
            }
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
            this.Close();
        }

        private void propertyGridControl1_CustomPropertyDescriptors(object sender, DevExpress.XtraVerticalGrid.Events.CustomPropertyDescriptorsEventArgs e)
        {
            if (e.Context.PropertyDescriptor == null)
            {
                e.Properties = e.Properties.Sort(new PropertyOrderComparer());
            }
        }
        public class PropertyOrderComparer : IComparer
        {
            /// <inheritdoc/>
            int IComparer.Compare(object a, object b)
            {
                if ((a is CustomPropDescriptor) && (b is CustomPropDescriptor))
                {
                    return ((CustomPropDescriptor)a).PropertyOrder.CompareTo(((CustomPropDescriptor)b).PropertyOrder);
                }
                return new CaseInsensitiveComparer().Compare(a, b);
            }
        }
    }
}